/* * Copyright 2012 Advanced Micro Devices, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "si_build_pm4.h" #include "gfx9d.h" #include "si_query.h" #include "util/u_dual_blend.h" #include "util/u_format.h" #include "util/u_format_s3tc.h" #include "util/u_memory.h" #include "util/u_resource.h" #include "util/u_upload_mgr.h" #include "util/fast_idiv_by_const.h" static unsigned si_map_swizzle(unsigned swizzle) { switch (swizzle) { case PIPE_SWIZZLE_Y: return V_008F0C_SQ_SEL_Y; case PIPE_SWIZZLE_Z: return V_008F0C_SQ_SEL_Z; case PIPE_SWIZZLE_W: return V_008F0C_SQ_SEL_W; case PIPE_SWIZZLE_0: return V_008F0C_SQ_SEL_0; case PIPE_SWIZZLE_1: return V_008F0C_SQ_SEL_1; default: /* PIPE_SWIZZLE_X */ return V_008F0C_SQ_SEL_X; } } /* 12.4 fixed-point */ static unsigned si_pack_float_12p4(float x) { return x <= 0 ? 0 : x >= 4096 ? 0xffff : x * 16; } /* * Inferred framebuffer and blender state. * * CB_TARGET_MASK is emitted here to avoid a hang with dual source blending * if there is not enough PS outputs. */ static void si_emit_cb_render_state(struct si_context *sctx) { struct radeon_cmdbuf *cs = sctx->gfx_cs; struct si_state_blend *blend = sctx->queued.named.blend; /* CB_COLORn_INFO.FORMAT=INVALID should disable unbound colorbuffers, * but you never know. */ uint32_t cb_target_mask = sctx->framebuffer.colorbuf_enabled_4bit; unsigned i; if (blend) cb_target_mask &= blend->cb_target_mask; /* Avoid a hang that happens when dual source blending is enabled * but there is not enough color outputs. This is undefined behavior, * so disable color writes completely. * * Reproducible with Unigine Heaven 4.0 and drirc missing. */ if (blend && blend->dual_src_blend && sctx->ps_shader.cso && (sctx->ps_shader.cso->info.colors_written & 0x3) != 0x3) cb_target_mask = 0; /* GFX9: Flush DFSM when CB_TARGET_MASK changes. * I think we don't have to do anything between IBs. */ if (sctx->screen->dfsm_allowed && sctx->last_cb_target_mask != cb_target_mask) { sctx->last_cb_target_mask = cb_target_mask; radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_DFSM) | EVENT_INDEX(0)); } unsigned initial_cdw = cs->current.cdw; radeon_opt_set_context_reg(sctx, R_028238_CB_TARGET_MASK, SI_TRACKED_CB_TARGET_MASK, cb_target_mask); if (sctx->chip_class >= VI) { /* DCC MSAA workaround for blending. * Alternatively, we can set CB_COLORi_DCC_CONTROL.OVERWRITE_- * COMBINER_DISABLE, but that would be more complicated. */ bool oc_disable = (sctx->chip_class == VI || sctx->chip_class == GFX9) && blend && blend->blend_enable_4bit & cb_target_mask && sctx->framebuffer.nr_samples >= 2; unsigned watermark = sctx->framebuffer.dcc_overwrite_combiner_watermark; radeon_opt_set_context_reg( sctx, R_028424_CB_DCC_CONTROL, SI_TRACKED_CB_DCC_CONTROL, S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) | S_028424_OVERWRITE_COMBINER_WATERMARK(watermark) | S_028424_OVERWRITE_COMBINER_DISABLE(oc_disable) | S_028424_DISABLE_CONSTANT_ENCODE_REG(sctx->screen->has_dcc_constant_encode)); } /* RB+ register settings. */ if (sctx->screen->rbplus_allowed) { unsigned spi_shader_col_format = sctx->ps_shader.cso ? sctx->ps_shader.current->key.part.ps.epilog.spi_shader_col_format : 0; unsigned sx_ps_downconvert = 0; unsigned sx_blend_opt_epsilon = 0; unsigned sx_blend_opt_control = 0; for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) { struct si_surface *surf = (struct si_surface*)sctx->framebuffer.state.cbufs[i]; unsigned format, swap, spi_format, colormask; bool has_alpha, has_rgb; if (!surf) continue; format = G_028C70_FORMAT(surf->cb_color_info); swap = G_028C70_COMP_SWAP(surf->cb_color_info); spi_format = (spi_shader_col_format >> (i * 4)) & 0xf; colormask = (cb_target_mask >> (i * 4)) & 0xf; /* Set if RGB and A are present. */ has_alpha = !G_028C74_FORCE_DST_ALPHA_1(surf->cb_color_attrib); if (format == V_028C70_COLOR_8 || format == V_028C70_COLOR_16 || format == V_028C70_COLOR_32) has_rgb = !has_alpha; else has_rgb = true; /* Check the colormask and export format. */ if (!(colormask & (PIPE_MASK_RGBA & ~PIPE_MASK_A))) has_rgb = false; if (!(colormask & PIPE_MASK_A)) has_alpha = false; if (spi_format == V_028714_SPI_SHADER_ZERO) { has_rgb = false; has_alpha = false; } /* Disable value checking for disabled channels. */ if (!has_rgb) sx_blend_opt_control |= S_02875C_MRT0_COLOR_OPT_DISABLE(1) << (i * 4); if (!has_alpha) sx_blend_opt_control |= S_02875C_MRT0_ALPHA_OPT_DISABLE(1) << (i * 4); /* Enable down-conversion for 32bpp and smaller formats. */ switch (format) { case V_028C70_COLOR_8: case V_028C70_COLOR_8_8: case V_028C70_COLOR_8_8_8_8: /* For 1 and 2-channel formats, use the superset thereof. */ if (spi_format == V_028714_SPI_SHADER_FP16_ABGR || spi_format == V_028714_SPI_SHADER_UINT16_ABGR || spi_format == V_028714_SPI_SHADER_SINT16_ABGR) { sx_ps_downconvert |= V_028754_SX_RT_EXPORT_8_8_8_8 << (i * 4); sx_blend_opt_epsilon |= V_028758_8BIT_FORMAT << (i * 4); } break; case V_028C70_COLOR_5_6_5: if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { sx_ps_downconvert |= V_028754_SX_RT_EXPORT_5_6_5 << (i * 4); sx_blend_opt_epsilon |= V_028758_6BIT_FORMAT << (i * 4); } break; case V_028C70_COLOR_1_5_5_5: if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { sx_ps_downconvert |= V_028754_SX_RT_EXPORT_1_5_5_5 << (i * 4); sx_blend_opt_epsilon |= V_028758_5BIT_FORMAT << (i * 4); } break; case V_028C70_COLOR_4_4_4_4: if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { sx_ps_downconvert |= V_028754_SX_RT_EXPORT_4_4_4_4 << (i * 4); sx_blend_opt_epsilon |= V_028758_4BIT_FORMAT << (i * 4); } break; case V_028C70_COLOR_32: if (swap == V_028C70_SWAP_STD && spi_format == V_028714_SPI_SHADER_32_R) sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_R << (i * 4); else if (swap == V_028C70_SWAP_ALT_REV && spi_format == V_028714_SPI_SHADER_32_AR) sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_A << (i * 4); break; case V_028C70_COLOR_16: case V_028C70_COLOR_16_16: /* For 1-channel formats, use the superset thereof. */ if (spi_format == V_028714_SPI_SHADER_UNORM16_ABGR || spi_format == V_028714_SPI_SHADER_SNORM16_ABGR || spi_format == V_028714_SPI_SHADER_UINT16_ABGR || spi_format == V_028714_SPI_SHADER_SINT16_ABGR) { if (swap == V_028C70_SWAP_STD || swap == V_028C70_SWAP_STD_REV) sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_GR << (i * 4); else sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_AR << (i * 4); } break; case V_028C70_COLOR_10_11_11: if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { sx_ps_downconvert |= V_028754_SX_RT_EXPORT_10_11_11 << (i * 4); sx_blend_opt_epsilon |= V_028758_11BIT_FORMAT << (i * 4); } break; case V_028C70_COLOR_2_10_10_10: if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { sx_ps_downconvert |= V_028754_SX_RT_EXPORT_2_10_10_10 << (i * 4); sx_blend_opt_epsilon |= V_028758_10BIT_FORMAT << (i * 4); } break; } } /* SX_PS_DOWNCONVERT, SX_BLEND_OPT_EPSILON, SX_BLEND_OPT_CONTROL */ radeon_opt_set_context_reg3(sctx, R_028754_SX_PS_DOWNCONVERT, SI_TRACKED_SX_PS_DOWNCONVERT, sx_ps_downconvert, sx_blend_opt_epsilon, sx_blend_opt_control); } if (initial_cdw != cs->current.cdw) sctx->context_roll_counter++; } /* * Blender functions */ static uint32_t si_translate_blend_function(int blend_func) { switch (blend_func) { case PIPE_BLEND_ADD: return V_028780_COMB_DST_PLUS_SRC; case PIPE_BLEND_SUBTRACT: return V_028780_COMB_SRC_MINUS_DST; case PIPE_BLEND_REVERSE_SUBTRACT: return V_028780_COMB_DST_MINUS_SRC; case PIPE_BLEND_MIN: return V_028780_COMB_MIN_DST_SRC; case PIPE_BLEND_MAX: return V_028780_COMB_MAX_DST_SRC; default: PRINT_ERR("Unknown blend function %d\n", blend_func); assert(0); break; } return 0; } static uint32_t si_translate_blend_factor(int blend_fact) { switch (blend_fact) { case PIPE_BLENDFACTOR_ONE: return V_028780_BLEND_ONE; case PIPE_BLENDFACTOR_SRC_COLOR: return V_028780_BLEND_SRC_COLOR; case PIPE_BLENDFACTOR_SRC_ALPHA: return V_028780_BLEND_SRC_ALPHA; case PIPE_BLENDFACTOR_DST_ALPHA: return V_028780_BLEND_DST_ALPHA; case PIPE_BLENDFACTOR_DST_COLOR: return V_028780_BLEND_DST_COLOR; case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: return V_028780_BLEND_SRC_ALPHA_SATURATE; case PIPE_BLENDFACTOR_CONST_COLOR: return V_028780_BLEND_CONSTANT_COLOR; case PIPE_BLENDFACTOR_CONST_ALPHA: return V_028780_BLEND_CONSTANT_ALPHA; case PIPE_BLENDFACTOR_ZERO: return V_028780_BLEND_ZERO; case PIPE_BLENDFACTOR_INV_SRC_COLOR: return V_028780_BLEND_ONE_MINUS_SRC_COLOR; case PIPE_BLENDFACTOR_INV_SRC_ALPHA: return V_028780_BLEND_ONE_MINUS_SRC_ALPHA; case PIPE_BLENDFACTOR_INV_DST_ALPHA: return V_028780_BLEND_ONE_MINUS_DST_ALPHA; case PIPE_BLENDFACTOR_INV_DST_COLOR: return V_028780_BLEND_ONE_MINUS_DST_COLOR; case PIPE_BLENDFACTOR_INV_CONST_COLOR: return V_028780_BLEND_ONE_MINUS_CONSTANT_COLOR; case PIPE_BLENDFACTOR_INV_CONST_ALPHA: return V_028780_BLEND_ONE_MINUS_CONSTANT_ALPHA; case PIPE_BLENDFACTOR_SRC1_COLOR: return V_028780_BLEND_SRC1_COLOR; case PIPE_BLENDFACTOR_SRC1_ALPHA: return V_028780_BLEND_SRC1_ALPHA; case PIPE_BLENDFACTOR_INV_SRC1_COLOR: return V_028780_BLEND_INV_SRC1_COLOR; case PIPE_BLENDFACTOR_INV_SRC1_ALPHA: return V_028780_BLEND_INV_SRC1_ALPHA; default: PRINT_ERR("Bad blend factor %d not supported!\n", blend_fact); assert(0); break; } return 0; } static uint32_t si_translate_blend_opt_function(int blend_func) { switch (blend_func) { case PIPE_BLEND_ADD: return V_028760_OPT_COMB_ADD; case PIPE_BLEND_SUBTRACT: return V_028760_OPT_COMB_SUBTRACT; case PIPE_BLEND_REVERSE_SUBTRACT: return V_028760_OPT_COMB_REVSUBTRACT; case PIPE_BLEND_MIN: return V_028760_OPT_COMB_MIN; case PIPE_BLEND_MAX: return V_028760_OPT_COMB_MAX; default: return V_028760_OPT_COMB_BLEND_DISABLED; } } static uint32_t si_translate_blend_opt_factor(int blend_fact, bool is_alpha) { switch (blend_fact) { case PIPE_BLENDFACTOR_ZERO: return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_ALL; case PIPE_BLENDFACTOR_ONE: return V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE; case PIPE_BLENDFACTOR_SRC_COLOR: return is_alpha ? V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0 : V_028760_BLEND_OPT_PRESERVE_C1_IGNORE_C0; case PIPE_BLENDFACTOR_INV_SRC_COLOR: return is_alpha ? V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1 : V_028760_BLEND_OPT_PRESERVE_C0_IGNORE_C1; case PIPE_BLENDFACTOR_SRC_ALPHA: return V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0; case PIPE_BLENDFACTOR_INV_SRC_ALPHA: return V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1; case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: return is_alpha ? V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE : V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0; default: return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE; } } static void si_blend_check_commutativity(struct si_screen *sscreen, struct si_state_blend *blend, enum pipe_blend_func func, enum pipe_blendfactor src, enum pipe_blendfactor dst, unsigned chanmask) { /* Src factor is allowed when it does not depend on Dst */ static const uint32_t src_allowed = (1u << PIPE_BLENDFACTOR_ONE) | (1u << PIPE_BLENDFACTOR_SRC_COLOR) | (1u << PIPE_BLENDFACTOR_SRC_ALPHA) | (1u << PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE) | (1u << PIPE_BLENDFACTOR_CONST_COLOR) | (1u << PIPE_BLENDFACTOR_CONST_ALPHA) | (1u << PIPE_BLENDFACTOR_SRC1_COLOR) | (1u << PIPE_BLENDFACTOR_SRC1_ALPHA) | (1u << PIPE_BLENDFACTOR_ZERO) | (1u << PIPE_BLENDFACTOR_INV_SRC_COLOR) | (1u << PIPE_BLENDFACTOR_INV_SRC_ALPHA) | (1u << PIPE_BLENDFACTOR_INV_CONST_COLOR) | (1u << PIPE_BLENDFACTOR_INV_CONST_ALPHA) | (1u << PIPE_BLENDFACTOR_INV_SRC1_COLOR) | (1u << PIPE_BLENDFACTOR_INV_SRC1_ALPHA); if (dst == PIPE_BLENDFACTOR_ONE && (src_allowed & (1u << src))) { /* Addition is commutative, but floating point addition isn't * associative: subtle changes can be introduced via different * rounding. * * Out-of-order is also non-deterministic, which means that * this breaks OpenGL invariance requirements. So only enable * out-of-order additive blending if explicitly allowed by a * setting. */ if (func == PIPE_BLEND_MAX || func == PIPE_BLEND_MIN || (func == PIPE_BLEND_ADD && sscreen->commutative_blend_add)) blend->commutative_4bit |= chanmask; } } /** * Get rid of DST in the blend factors by commuting the operands: * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC) */ static void si_blend_remove_dst(unsigned *func, unsigned *src_factor, unsigned *dst_factor, unsigned expected_dst, unsigned replacement_src) { if (*src_factor == expected_dst && *dst_factor == PIPE_BLENDFACTOR_ZERO) { *src_factor = PIPE_BLENDFACTOR_ZERO; *dst_factor = replacement_src; /* Commuting the operands requires reversing subtractions. */ if (*func == PIPE_BLEND_SUBTRACT) *func = PIPE_BLEND_REVERSE_SUBTRACT; else if (*func == PIPE_BLEND_REVERSE_SUBTRACT) *func = PIPE_BLEND_SUBTRACT; } } static bool si_blend_factor_uses_dst(unsigned factor) { return factor == PIPE_BLENDFACTOR_DST_COLOR || factor == PIPE_BLENDFACTOR_DST_ALPHA || factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || factor == PIPE_BLENDFACTOR_INV_DST_ALPHA || factor == PIPE_BLENDFACTOR_INV_DST_COLOR; } static void *si_create_blend_state_mode(struct pipe_context *ctx, const struct pipe_blend_state *state, unsigned mode) { struct si_context *sctx = (struct si_context*)ctx; struct si_state_blend *blend = CALLOC_STRUCT(si_state_blend); struct si_pm4_state *pm4 = &blend->pm4; uint32_t sx_mrt_blend_opt[8] = {0}; uint32_t color_control = 0; if (!blend) return NULL; blend->alpha_to_coverage = state->alpha_to_coverage; blend->alpha_to_one = state->alpha_to_one; blend->dual_src_blend = util_blend_state_is_dual(state, 0); blend->logicop_enable = state->logicop_enable; if (state->logicop_enable) { color_control |= S_028808_ROP3(state->logicop_func | (state->logicop_func << 4)); } else { color_control |= S_028808_ROP3(0xcc); } si_pm4_set_reg(pm4, R_028B70_DB_ALPHA_TO_MASK, S_028B70_ALPHA_TO_MASK_ENABLE(state->alpha_to_coverage) | S_028B70_ALPHA_TO_MASK_OFFSET0(3) | S_028B70_ALPHA_TO_MASK_OFFSET1(1) | S_028B70_ALPHA_TO_MASK_OFFSET2(0) | S_028B70_ALPHA_TO_MASK_OFFSET3(2) | S_028B70_OFFSET_ROUND(1)); if (state->alpha_to_coverage) blend->need_src_alpha_4bit |= 0xf; blend->cb_target_mask = 0; blend->cb_target_enabled_4bit = 0; for (int i = 0; i < 8; i++) { /* state->rt entries > 0 only written if independent blending */ const int j = state->independent_blend_enable ? i : 0; unsigned eqRGB = state->rt[j].rgb_func; unsigned srcRGB = state->rt[j].rgb_src_factor; unsigned dstRGB = state->rt[j].rgb_dst_factor; unsigned eqA = state->rt[j].alpha_func; unsigned srcA = state->rt[j].alpha_src_factor; unsigned dstA = state->rt[j].alpha_dst_factor; unsigned srcRGB_opt, dstRGB_opt, srcA_opt, dstA_opt; unsigned blend_cntl = 0; sx_mrt_blend_opt[i] = S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED) | S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED); /* Only set dual source blending for MRT0 to avoid a hang. */ if (i >= 1 && blend->dual_src_blend) { /* Vulkan does this for dual source blending. */ if (i == 1) blend_cntl |= S_028780_ENABLE(1); si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); continue; } /* Only addition and subtraction equations are supported with * dual source blending. */ if (blend->dual_src_blend && (eqRGB == PIPE_BLEND_MIN || eqRGB == PIPE_BLEND_MAX || eqA == PIPE_BLEND_MIN || eqA == PIPE_BLEND_MAX)) { assert(!"Unsupported equation for dual source blending"); si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); continue; } /* cb_render_state will disable unused ones */ blend->cb_target_mask |= (unsigned)state->rt[j].colormask << (4 * i); if (state->rt[j].colormask) blend->cb_target_enabled_4bit |= 0xf << (4 * i); if (!state->rt[j].colormask || !state->rt[j].blend_enable) { si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); continue; } si_blend_check_commutativity(sctx->screen, blend, eqRGB, srcRGB, dstRGB, 0x7 << (4 * i)); si_blend_check_commutativity(sctx->screen, blend, eqA, srcA, dstA, 0x8 << (4 * i)); /* Blending optimizations for RB+. * These transformations don't change the behavior. * * First, get rid of DST in the blend factors: * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC) */ si_blend_remove_dst(&eqRGB, &srcRGB, &dstRGB, PIPE_BLENDFACTOR_DST_COLOR, PIPE_BLENDFACTOR_SRC_COLOR); si_blend_remove_dst(&eqA, &srcA, &dstA, PIPE_BLENDFACTOR_DST_COLOR, PIPE_BLENDFACTOR_SRC_COLOR); si_blend_remove_dst(&eqA, &srcA, &dstA, PIPE_BLENDFACTOR_DST_ALPHA, PIPE_BLENDFACTOR_SRC_ALPHA); /* Look up the ideal settings from tables. */ srcRGB_opt = si_translate_blend_opt_factor(srcRGB, false); dstRGB_opt = si_translate_blend_opt_factor(dstRGB, false); srcA_opt = si_translate_blend_opt_factor(srcA, true); dstA_opt = si_translate_blend_opt_factor(dstA, true); /* Handle interdependencies. */ if (si_blend_factor_uses_dst(srcRGB)) dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE; if (si_blend_factor_uses_dst(srcA)) dstA_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE; if (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE && (dstRGB == PIPE_BLENDFACTOR_ZERO || dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA || dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE)) dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0; /* Set the final value. */ sx_mrt_blend_opt[i] = S_028760_COLOR_SRC_OPT(srcRGB_opt) | S_028760_COLOR_DST_OPT(dstRGB_opt) | S_028760_COLOR_COMB_FCN(si_translate_blend_opt_function(eqRGB)) | S_028760_ALPHA_SRC_OPT(srcA_opt) | S_028760_ALPHA_DST_OPT(dstA_opt) | S_028760_ALPHA_COMB_FCN(si_translate_blend_opt_function(eqA)); /* Set blend state. */ blend_cntl |= S_028780_ENABLE(1); blend_cntl |= S_028780_COLOR_COMB_FCN(si_translate_blend_function(eqRGB)); blend_cntl |= S_028780_COLOR_SRCBLEND(si_translate_blend_factor(srcRGB)); blend_cntl |= S_028780_COLOR_DESTBLEND(si_translate_blend_factor(dstRGB)); if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) { blend_cntl |= S_028780_SEPARATE_ALPHA_BLEND(1); blend_cntl |= S_028780_ALPHA_COMB_FCN(si_translate_blend_function(eqA)); blend_cntl |= S_028780_ALPHA_SRCBLEND(si_translate_blend_factor(srcA)); blend_cntl |= S_028780_ALPHA_DESTBLEND(si_translate_blend_factor(dstA)); } si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); blend->blend_enable_4bit |= 0xfu << (i * 4); /* This is only important for formats without alpha. */ if (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA || dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA || srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA || dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA) blend->need_src_alpha_4bit |= 0xfu << (i * 4); } if (blend->cb_target_mask) { color_control |= S_028808_MODE(mode); } else { color_control |= S_028808_MODE(V_028808_CB_DISABLE); } if (sctx->screen->rbplus_allowed) { /* Disable RB+ blend optimizations for dual source blending. * Vulkan does this. */ if (blend->dual_src_blend) { for (int i = 0; i < 8; i++) { sx_mrt_blend_opt[i] = S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_NONE) | S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_NONE); } } for (int i = 0; i < 8; i++) si_pm4_set_reg(pm4, R_028760_SX_MRT0_BLEND_OPT + i * 4, sx_mrt_blend_opt[i]); /* RB+ doesn't work with dual source blending, logic op, and RESOLVE. */ if (blend->dual_src_blend || state->logicop_enable || mode == V_028808_CB_RESOLVE) color_control |= S_028808_DISABLE_DUAL_QUAD(1); } si_pm4_set_reg(pm4, R_028808_CB_COLOR_CONTROL, color_control); return blend; } static void *si_create_blend_state(struct pipe_context *ctx, const struct pipe_blend_state *state) { return si_create_blend_state_mode(ctx, state, V_028808_CB_NORMAL); } static void si_bind_blend_state(struct pipe_context *ctx, void *state) { struct si_context *sctx = (struct si_context *)ctx; struct si_state_blend *old_blend = sctx->queued.named.blend; struct si_state_blend *blend = (struct si_state_blend *)state; if (!state) return; si_pm4_bind_state(sctx, blend, state); if (!old_blend || old_blend->cb_target_mask != blend->cb_target_mask || old_blend->dual_src_blend != blend->dual_src_blend || (old_blend->blend_enable_4bit != blend->blend_enable_4bit && sctx->framebuffer.nr_samples >= 2 && sctx->screen->dcc_msaa_allowed)) si_mark_atom_dirty(sctx, &sctx->atoms.s.cb_render_state); if (!old_blend || old_blend->cb_target_mask != blend->cb_target_mask || old_blend->alpha_to_coverage != blend->alpha_to_coverage || old_blend->alpha_to_one != blend->alpha_to_one || old_blend->dual_src_blend != blend->dual_src_blend || old_blend->blend_enable_4bit != blend->blend_enable_4bit || old_blend->need_src_alpha_4bit != blend->need_src_alpha_4bit) sctx->do_update_shaders = true; if (sctx->screen->dpbb_allowed && (!old_blend || old_blend->alpha_to_coverage != blend->alpha_to_coverage || old_blend->blend_enable_4bit != blend->blend_enable_4bit || old_blend->cb_target_enabled_4bit != blend->cb_target_enabled_4bit)) si_mark_atom_dirty(sctx, &sctx->atoms.s.dpbb_state); if (sctx->screen->has_out_of_order_rast && (!old_blend || (old_blend->blend_enable_4bit != blend->blend_enable_4bit || old_blend->cb_target_enabled_4bit != blend->cb_target_enabled_4bit || old_blend->commutative_4bit != blend->commutative_4bit || old_blend->logicop_enable != blend->logicop_enable))) si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config); } static void si_delete_blend_state(struct pipe_context *ctx, void *state) { struct si_context *sctx = (struct si_context *)ctx; si_pm4_delete_state(sctx, blend, (struct si_state_blend *)state); } static void si_set_blend_color(struct pipe_context *ctx, const struct pipe_blend_color *state) { struct si_context *sctx = (struct si_context *)ctx; static const struct pipe_blend_color zeros; sctx->blend_color.state = *state; sctx->blend_color.any_nonzeros = memcmp(state, &zeros, sizeof(*state)) != 0; si_mark_atom_dirty(sctx, &sctx->atoms.s.blend_color); } static void si_emit_blend_color(struct si_context *sctx) { struct radeon_cmdbuf *cs = sctx->gfx_cs; radeon_set_context_reg_seq(cs, R_028414_CB_BLEND_RED, 4); radeon_emit_array(cs, (uint32_t*)sctx->blend_color.state.color, 4); } /* * Clipping */ static void si_set_clip_state(struct pipe_context *ctx, const struct pipe_clip_state *state) { struct si_context *sctx = (struct si_context *)ctx; struct pipe_constant_buffer cb; static const struct pipe_clip_state zeros; if (memcmp(&sctx->clip_state.state, state, sizeof(*state)) == 0) return; sctx->clip_state.state = *state; sctx->clip_state.any_nonzeros = memcmp(state, &zeros, sizeof(*state)) != 0; si_mark_atom_dirty(sctx, &sctx->atoms.s.clip_state); cb.buffer = NULL; cb.user_buffer = state->ucp; cb.buffer_offset = 0; cb.buffer_size = 4*4*8; si_set_rw_buffer(sctx, SI_VS_CONST_CLIP_PLANES, &cb); pipe_resource_reference(&cb.buffer, NULL); } static void si_emit_clip_state(struct si_context *sctx) { struct radeon_cmdbuf *cs = sctx->gfx_cs; radeon_set_context_reg_seq(cs, R_0285BC_PA_CL_UCP_0_X, 6*4); radeon_emit_array(cs, (uint32_t*)sctx->clip_state.state.ucp, 6*4); } static void si_emit_clip_regs(struct si_context *sctx) { struct si_shader *vs = si_get_vs_state(sctx); struct si_shader_selector *vs_sel = vs->selector; struct tgsi_shader_info *info = &vs_sel->info; struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; unsigned window_space = info->properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION]; unsigned clipdist_mask = vs_sel->clipdist_mask; unsigned ucp_mask = clipdist_mask ? 0 : rs->clip_plane_enable & SIX_BITS; unsigned culldist_mask = vs_sel->culldist_mask; unsigned total_mask; if (vs->key.opt.clip_disable) { assert(!info->culldist_writemask); clipdist_mask = 0; culldist_mask = 0; } total_mask = clipdist_mask | culldist_mask; /* Clip distances on points have no effect, so need to be implemented * as cull distances. This applies for the clipvertex case as well. * * Setting this for primitives other than points should have no adverse * effects. */ clipdist_mask &= rs->clip_plane_enable; culldist_mask |= clipdist_mask; unsigned initial_cdw = sctx->gfx_cs->current.cdw; radeon_opt_set_context_reg(sctx, R_02881C_PA_CL_VS_OUT_CNTL, SI_TRACKED_PA_CL_VS_OUT_CNTL, vs_sel->pa_cl_vs_out_cntl | S_02881C_VS_OUT_CCDIST0_VEC_ENA((total_mask & 0x0F) != 0) | S_02881C_VS_OUT_CCDIST1_VEC_ENA((total_mask & 0xF0) != 0) | clipdist_mask | (culldist_mask << 8)); radeon_opt_set_context_reg(sctx, R_028810_PA_CL_CLIP_CNTL, SI_TRACKED_PA_CL_CLIP_CNTL, rs->pa_cl_clip_cntl | ucp_mask | S_028810_CLIP_DISABLE(window_space)); if (initial_cdw != sctx->gfx_cs->current.cdw) sctx->context_roll_counter++; } /* * inferred state between framebuffer and rasterizer */ static void si_update_poly_offset_state(struct si_context *sctx) { struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; if (!rs || !rs->uses_poly_offset || !sctx->framebuffer.state.zsbuf) { si_pm4_bind_state(sctx, poly_offset, NULL); return; } /* Use the user format, not db_render_format, so that the polygon * offset behaves as expected by applications. */ switch (sctx->framebuffer.state.zsbuf->texture->format) { case PIPE_FORMAT_Z16_UNORM: si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[0]); break; default: /* 24-bit */ si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[1]); break; case PIPE_FORMAT_Z32_FLOAT: case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[2]); break; } } /* * Rasterizer */ static uint32_t si_translate_fill(uint32_t func) { switch(func) { case PIPE_POLYGON_MODE_FILL: return V_028814_X_DRAW_TRIANGLES; case PIPE_POLYGON_MODE_LINE: return V_028814_X_DRAW_LINES; case PIPE_POLYGON_MODE_POINT: return V_028814_X_DRAW_POINTS; default: assert(0); return V_028814_X_DRAW_POINTS; } } static void *si_create_rs_state(struct pipe_context *ctx, const struct pipe_rasterizer_state *state) { struct si_screen *sscreen = ((struct si_context *)ctx)->screen; struct si_state_rasterizer *rs = CALLOC_STRUCT(si_state_rasterizer); struct si_pm4_state *pm4 = &rs->pm4; unsigned tmp, i; float psize_min, psize_max; if (!rs) { return NULL; } rs->scissor_enable = state->scissor; rs->clip_halfz = state->clip_halfz; rs->two_side = state->light_twoside; rs->multisample_enable = state->multisample; rs->force_persample_interp = state->force_persample_interp; rs->clip_plane_enable = state->clip_plane_enable; rs->half_pixel_center = state->half_pixel_center; rs->line_stipple_enable = state->line_stipple_enable; rs->poly_stipple_enable = state->poly_stipple_enable; rs->line_smooth = state->line_smooth; rs->line_width = state->line_width; rs->poly_smooth = state->poly_smooth; rs->uses_poly_offset = state->offset_point || state->offset_line || state->offset_tri; rs->clamp_fragment_color = state->clamp_fragment_color; rs->clamp_vertex_color = state->clamp_vertex_color; rs->flatshade = state->flatshade; rs->sprite_coord_enable = state->sprite_coord_enable; rs->rasterizer_discard = state->rasterizer_discard; rs->pa_sc_line_stipple = state->line_stipple_enable ? S_028A0C_LINE_PATTERN(state->line_stipple_pattern) | S_028A0C_REPEAT_COUNT(state->line_stipple_factor) : 0; rs->pa_cl_clip_cntl = S_028810_DX_CLIP_SPACE_DEF(state->clip_halfz) | S_028810_ZCLIP_NEAR_DISABLE(!state->depth_clip_near) | S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip_far) | S_028810_DX_RASTERIZATION_KILL(state->rasterizer_discard) | S_028810_DX_LINEAR_ATTR_CLIP_ENA(1); si_pm4_set_reg(pm4, R_0286D4_SPI_INTERP_CONTROL_0, S_0286D4_FLAT_SHADE_ENA(1) | S_0286D4_PNT_SPRITE_ENA(state->point_quad_rasterization) | S_0286D4_PNT_SPRITE_OVRD_X(V_0286D4_SPI_PNT_SPRITE_SEL_S) | S_0286D4_PNT_SPRITE_OVRD_Y(V_0286D4_SPI_PNT_SPRITE_SEL_T) | S_0286D4_PNT_SPRITE_OVRD_Z(V_0286D4_SPI_PNT_SPRITE_SEL_0) | S_0286D4_PNT_SPRITE_OVRD_W(V_0286D4_SPI_PNT_SPRITE_SEL_1) | S_0286D4_PNT_SPRITE_TOP_1(state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT)); /* point size 12.4 fixed point */ tmp = (unsigned)(state->point_size * 8.0); si_pm4_set_reg(pm4, R_028A00_PA_SU_POINT_SIZE, S_028A00_HEIGHT(tmp) | S_028A00_WIDTH(tmp)); if (state->point_size_per_vertex) { psize_min = util_get_min_point_size(state); psize_max = SI_MAX_POINT_SIZE; } else { /* Force the point size to be as if the vertex output was disabled. */ psize_min = state->point_size; psize_max = state->point_size; } rs->max_point_size = psize_max; /* Divide by two, because 0.5 = 1 pixel. */ si_pm4_set_reg(pm4, R_028A04_PA_SU_POINT_MINMAX, S_028A04_MIN_SIZE(si_pack_float_12p4(psize_min/2)) | S_028A04_MAX_SIZE(si_pack_float_12p4(psize_max/2))); si_pm4_set_reg(pm4, R_028A08_PA_SU_LINE_CNTL, S_028A08_WIDTH(si_pack_float_12p4(state->line_width/2))); si_pm4_set_reg(pm4, R_028A48_PA_SC_MODE_CNTL_0, S_028A48_LINE_STIPPLE_ENABLE(state->line_stipple_enable) | S_028A48_MSAA_ENABLE(state->multisample || state->poly_smooth || state->line_smooth) | S_028A48_VPORT_SCISSOR_ENABLE(1) | S_028A48_ALTERNATE_RBS_PER_TILE(sscreen->info.chip_class >= GFX9)); si_pm4_set_reg(pm4, R_028B7C_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp)); si_pm4_set_reg(pm4, R_028814_PA_SU_SC_MODE_CNTL, S_028814_PROVOKING_VTX_LAST(!state->flatshade_first) | S_028814_CULL_FRONT((state->cull_face & PIPE_FACE_FRONT) ? 1 : 0) | S_028814_CULL_BACK((state->cull_face & PIPE_FACE_BACK) ? 1 : 0) | S_028814_FACE(!state->front_ccw) | S_028814_POLY_OFFSET_FRONT_ENABLE(util_get_offset(state, state->fill_front)) | S_028814_POLY_OFFSET_BACK_ENABLE(util_get_offset(state, state->fill_back)) | S_028814_POLY_OFFSET_PARA_ENABLE(state->offset_point || state->offset_line) | S_028814_POLY_MODE(state->fill_front != PIPE_POLYGON_MODE_FILL || state->fill_back != PIPE_POLYGON_MODE_FILL) | S_028814_POLYMODE_FRONT_PTYPE(si_translate_fill(state->fill_front)) | S_028814_POLYMODE_BACK_PTYPE(si_translate_fill(state->fill_back))); if (!rs->uses_poly_offset) return rs; rs->pm4_poly_offset = CALLOC(3, sizeof(struct si_pm4_state)); if (!rs->pm4_poly_offset) { FREE(rs); return NULL; } /* Precalculate polygon offset states for 16-bit, 24-bit, and 32-bit zbuffers. */ for (i = 0; i < 3; i++) { struct si_pm4_state *pm4 = &rs->pm4_poly_offset[i]; float offset_units = state->offset_units; float offset_scale = state->offset_scale * 16.0f; uint32_t pa_su_poly_offset_db_fmt_cntl = 0; if (!state->offset_units_unscaled) { switch (i) { case 0: /* 16-bit zbuffer */ offset_units *= 4.0f; pa_su_poly_offset_db_fmt_cntl = S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-16); break; case 1: /* 24-bit zbuffer */ offset_units *= 2.0f; pa_su_poly_offset_db_fmt_cntl = S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-24); break; case 2: /* 32-bit zbuffer */ offset_units *= 1.0f; pa_su_poly_offset_db_fmt_cntl = S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-23) | S_028B78_POLY_OFFSET_DB_IS_FLOAT_FMT(1); break; } } si_pm4_set_reg(pm4, R_028B80_PA_SU_POLY_OFFSET_FRONT_SCALE, fui(offset_scale)); si_pm4_set_reg(pm4, R_028B84_PA_SU_POLY_OFFSET_FRONT_OFFSET, fui(offset_units)); si_pm4_set_reg(pm4, R_028B88_PA_SU_POLY_OFFSET_BACK_SCALE, fui(offset_scale)); si_pm4_set_reg(pm4, R_028B8C_PA_SU_POLY_OFFSET_BACK_OFFSET, fui(offset_units)); si_pm4_set_reg(pm4, R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL, pa_su_poly_offset_db_fmt_cntl); } return rs; } static void si_bind_rs_state(struct pipe_context *ctx, void *state) { struct si_context *sctx = (struct si_context *)ctx; struct si_state_rasterizer *old_rs = (struct si_state_rasterizer*)sctx->queued.named.rasterizer; struct si_state_rasterizer *rs = (struct si_state_rasterizer *)state; if (!state) return; if (!old_rs || old_rs->multisample_enable != rs->multisample_enable) { si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state); /* Update the small primitive filter workaround if necessary. */ if (sctx->screen->has_msaa_sample_loc_bug && sctx->framebuffer.nr_samples > 1) si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_sample_locs); } sctx->current_vs_state &= C_VS_STATE_CLAMP_VERTEX_COLOR; sctx->current_vs_state |= S_VS_STATE_CLAMP_VERTEX_COLOR(rs->clamp_vertex_color); si_pm4_bind_state(sctx, rasterizer, rs); si_update_poly_offset_state(sctx); if (!old_rs || old_rs->scissor_enable != rs->scissor_enable) { sctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1; si_mark_atom_dirty(sctx, &sctx->atoms.s.scissors); } if (!old_rs || old_rs->line_width != rs->line_width || old_rs->max_point_size != rs->max_point_size || old_rs->half_pixel_center != rs->half_pixel_center) si_mark_atom_dirty(sctx, &sctx->atoms.s.guardband); if (!old_rs || old_rs->clip_halfz != rs->clip_halfz) { sctx->viewports.depth_range_dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1; si_mark_atom_dirty(sctx, &sctx->atoms.s.viewports); } if (!old_rs || old_rs->clip_plane_enable != rs->clip_plane_enable || old_rs->pa_cl_clip_cntl != rs->pa_cl_clip_cntl) si_mark_atom_dirty(sctx, &sctx->atoms.s.clip_regs); sctx->ia_multi_vgt_param_key.u.line_stipple_enabled = rs->line_stipple_enable; if (!old_rs || old_rs->clip_plane_enable != rs->clip_plane_enable || old_rs->rasterizer_discard != rs->rasterizer_discard || old_rs->sprite_coord_enable != rs->sprite_coord_enable || old_rs->flatshade != rs->flatshade || old_rs->two_side != rs->two_side || old_rs->multisample_enable != rs->multisample_enable || old_rs->poly_stipple_enable != rs->poly_stipple_enable || old_rs->poly_smooth != rs->poly_smooth || old_rs->line_smooth != rs->line_smooth || old_rs->clamp_fragment_color != rs->clamp_fragment_color || old_rs->force_persample_interp != rs->force_persample_interp) sctx->do_update_shaders = true; } static void si_delete_rs_state(struct pipe_context *ctx, void *state) { struct si_context *sctx = (struct si_context *)ctx; struct si_state_rasterizer *rs = (struct si_state_rasterizer *)state; if (sctx->queued.named.rasterizer == state) si_pm4_bind_state(sctx, poly_offset, NULL); FREE(rs->pm4_poly_offset); si_pm4_delete_state(sctx, rasterizer, rs); } /* * infeered state between dsa and stencil ref */ static void si_emit_stencil_ref(struct si_context *sctx) { struct radeon_cmdbuf *cs = sctx->gfx_cs; struct pipe_stencil_ref *ref = &sctx->stencil_ref.state; struct si_dsa_stencil_ref_part *dsa = &sctx->stencil_ref.dsa_part; radeon_set_context_reg_seq(cs, R_028430_DB_STENCILREFMASK, 2); radeon_emit(cs, S_028430_STENCILTESTVAL(ref->ref_value[0]) | S_028430_STENCILMASK(dsa->valuemask[0]) | S_028430_STENCILWRITEMASK(dsa->writemask[0]) | S_028430_STENCILOPVAL(1)); radeon_emit(cs, S_028434_STENCILTESTVAL_BF(ref->ref_value[1]) | S_028434_STENCILMASK_BF(dsa->valuemask[1]) | S_028434_STENCILWRITEMASK_BF(dsa->writemask[1]) | S_028434_STENCILOPVAL_BF(1)); } static void si_set_stencil_ref(struct pipe_context *ctx, const struct pipe_stencil_ref *state) { struct si_context *sctx = (struct si_context *)ctx; if (memcmp(&sctx->stencil_ref.state, state, sizeof(*state)) == 0) return; sctx->stencil_ref.state = *state; si_mark_atom_dirty(sctx, &sctx->atoms.s.stencil_ref); } /* * DSA */ static uint32_t si_translate_stencil_op(int s_op) { switch (s_op) { case PIPE_STENCIL_OP_KEEP: return V_02842C_STENCIL_KEEP; case PIPE_STENCIL_OP_ZERO: return V_02842C_STENCIL_ZERO; case PIPE_STENCIL_OP_REPLACE: return V_02842C_STENCIL_REPLACE_TEST; case PIPE_STENCIL_OP_INCR: return V_02842C_STENCIL_ADD_CLAMP; case PIPE_STENCIL_OP_DECR: return V_02842C_STENCIL_SUB_CLAMP; case PIPE_STENCIL_OP_INCR_WRAP: return V_02842C_STENCIL_ADD_WRAP; case PIPE_STENCIL_OP_DECR_WRAP: return V_02842C_STENCIL_SUB_WRAP; case PIPE_STENCIL_OP_INVERT: return V_02842C_STENCIL_INVERT; default: PRINT_ERR("Unknown stencil op %d", s_op); assert(0); break; } return 0; } static bool si_dsa_writes_stencil(const struct pipe_stencil_state *s) { return s->enabled && s->writemask && (s->fail_op != PIPE_STENCIL_OP_KEEP || s->zfail_op != PIPE_STENCIL_OP_KEEP || s->zpass_op != PIPE_STENCIL_OP_KEEP); } static bool si_order_invariant_stencil_op(enum pipe_stencil_op op) { /* REPLACE is normally order invariant, except when the stencil * reference value is written by the fragment shader. Tracking this * interaction does not seem worth the effort, so be conservative. */ return op != PIPE_STENCIL_OP_INCR && op != PIPE_STENCIL_OP_DECR && op != PIPE_STENCIL_OP_REPLACE; } /* Compute whether, assuming Z writes are disabled, this stencil state is order * invariant in the sense that the set of passing fragments as well as the * final stencil buffer result does not depend on the order of fragments. */ static bool si_order_invariant_stencil_state(const struct pipe_stencil_state *state) { return !state->enabled || !state->writemask || /* The following assumes that Z writes are disabled. */ (state->func == PIPE_FUNC_ALWAYS && si_order_invariant_stencil_op(state->zpass_op) && si_order_invariant_stencil_op(state->zfail_op)) || (state->func == PIPE_FUNC_NEVER && si_order_invariant_stencil_op(state->fail_op)); } static void *si_create_dsa_state(struct pipe_context *ctx, const struct pipe_depth_stencil_alpha_state *state) { struct si_context *sctx = (struct si_context *)ctx; struct si_state_dsa *dsa = CALLOC_STRUCT(si_state_dsa); struct si_pm4_state *pm4 = &dsa->pm4; unsigned db_depth_control; uint32_t db_stencil_control = 0; if (!dsa) { return NULL; } dsa->stencil_ref.valuemask[0] = state->stencil[0].valuemask; dsa->stencil_ref.valuemask[1] = state->stencil[1].valuemask; dsa->stencil_ref.writemask[0] = state->stencil[0].writemask; dsa->stencil_ref.writemask[1] = state->stencil[1].writemask; db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) | S_028800_Z_WRITE_ENABLE(state->depth.writemask) | S_028800_ZFUNC(state->depth.func) | S_028800_DEPTH_BOUNDS_ENABLE(state->depth.bounds_test); /* stencil */ if (state->stencil[0].enabled) { db_depth_control |= S_028800_STENCIL_ENABLE(1); db_depth_control |= S_028800_STENCILFUNC(state->stencil[0].func); db_stencil_control |= S_02842C_STENCILFAIL(si_translate_stencil_op(state->stencil[0].fail_op)); db_stencil_control |= S_02842C_STENCILZPASS(si_translate_stencil_op(state->stencil[0].zpass_op)); db_stencil_control |= S_02842C_STENCILZFAIL(si_translate_stencil_op(state->stencil[0].zfail_op)); if (state->stencil[1].enabled) { db_depth_control |= S_028800_BACKFACE_ENABLE(1); db_depth_control |= S_028800_STENCILFUNC_BF(state->stencil[1].func); db_stencil_control |= S_02842C_STENCILFAIL_BF(si_translate_stencil_op(state->stencil[1].fail_op)); db_stencil_control |= S_02842C_STENCILZPASS_BF(si_translate_stencil_op(state->stencil[1].zpass_op)); db_stencil_control |= S_02842C_STENCILZFAIL_BF(si_translate_stencil_op(state->stencil[1].zfail_op)); } } /* alpha */ if (state->alpha.enabled) { dsa->alpha_func = state->alpha.func; si_pm4_set_reg(pm4, R_00B030_SPI_SHADER_USER_DATA_PS_0 + SI_SGPR_ALPHA_REF * 4, fui(state->alpha.ref_value)); } else { dsa->alpha_func = PIPE_FUNC_ALWAYS; } si_pm4_set_reg(pm4, R_028800_DB_DEPTH_CONTROL, db_depth_control); if (state->stencil[0].enabled) si_pm4_set_reg(pm4, R_02842C_DB_STENCIL_CONTROL, db_stencil_control); if (state->depth.bounds_test) { si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, fui(state->depth.bounds_min)); si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, fui(state->depth.bounds_max)); } dsa->depth_enabled = state->depth.enabled; dsa->depth_write_enabled = state->depth.enabled && state->depth.writemask; dsa->stencil_enabled = state->stencil[0].enabled; dsa->stencil_write_enabled = state->stencil[0].enabled && (si_dsa_writes_stencil(&state->stencil[0]) || si_dsa_writes_stencil(&state->stencil[1])); dsa->db_can_write = dsa->depth_write_enabled || dsa->stencil_write_enabled; bool zfunc_is_ordered = state->depth.func == PIPE_FUNC_NEVER || state->depth.func == PIPE_FUNC_LESS || state->depth.func == PIPE_FUNC_LEQUAL || state->depth.func == PIPE_FUNC_GREATER || state->depth.func == PIPE_FUNC_GEQUAL; bool nozwrite_and_order_invariant_stencil = !dsa->db_can_write || (!dsa->depth_write_enabled && si_order_invariant_stencil_state(&state->stencil[0]) && si_order_invariant_stencil_state(&state->stencil[1])); dsa->order_invariance[1].zs = nozwrite_and_order_invariant_stencil || (!dsa->stencil_write_enabled && zfunc_is_ordered); dsa->order_invariance[0].zs = !dsa->depth_write_enabled || zfunc_is_ordered; dsa->order_invariance[1].pass_set = nozwrite_and_order_invariant_stencil || (!dsa->stencil_write_enabled && (state->depth.func == PIPE_FUNC_ALWAYS || state->depth.func == PIPE_FUNC_NEVER)); dsa->order_invariance[0].pass_set = !dsa->depth_write_enabled || (state->depth.func == PIPE_FUNC_ALWAYS || state->depth.func == PIPE_FUNC_NEVER); dsa->order_invariance[1].pass_last = sctx->screen->assume_no_z_fights && !dsa->stencil_write_enabled && dsa->depth_write_enabled && zfunc_is_ordered; dsa->order_invariance[0].pass_last = sctx->screen->assume_no_z_fights && dsa->depth_write_enabled && zfunc_is_ordered; return dsa; } static void si_bind_dsa_state(struct pipe_context *ctx, void *state) { struct si_context *sctx = (struct si_context *)ctx; struct si_state_dsa *old_dsa = sctx->queued.named.dsa; struct si_state_dsa *dsa = state; if (!state) return; si_pm4_bind_state(sctx, dsa, dsa); if (memcmp(&dsa->stencil_ref, &sctx->stencil_ref.dsa_part, sizeof(struct si_dsa_stencil_ref_part)) != 0) { sctx->stencil_ref.dsa_part = dsa->stencil_ref; si_mark_atom_dirty(sctx, &sctx->atoms.s.stencil_ref); } if (!old_dsa || old_dsa->alpha_func != dsa->alpha_func) sctx->do_update_shaders = true; if (sctx->screen->dpbb_allowed && (!old_dsa || (old_dsa->depth_enabled != dsa->depth_enabled || old_dsa->stencil_enabled != dsa->stencil_enabled || old_dsa->db_can_write != dsa->db_can_write))) si_mark_atom_dirty(sctx, &sctx->atoms.s.dpbb_state); if (sctx->screen->has_out_of_order_rast && (!old_dsa || memcmp(old_dsa->order_invariance, dsa->order_invariance, sizeof(old_dsa->order_invariance)))) si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config); } static void si_delete_dsa_state(struct pipe_context *ctx, void *state) { struct si_context *sctx = (struct si_context *)ctx; si_pm4_delete_state(sctx, dsa, (struct si_state_dsa *)state); } static void *si_create_db_flush_dsa(struct si_context *sctx) { struct pipe_depth_stencil_alpha_state dsa = {}; return sctx->b.create_depth_stencil_alpha_state(&sctx->b, &dsa); } /* DB RENDER STATE */ static void si_set_active_query_state(struct pipe_context *ctx, boolean enable) { struct si_context *sctx = (struct si_context*)ctx; /* Pipeline stat & streamout queries. */ if (enable) { sctx->flags &= ~SI_CONTEXT_STOP_PIPELINE_STATS; sctx->flags |= SI_CONTEXT_START_PIPELINE_STATS; } else { sctx->flags &= ~SI_CONTEXT_START_PIPELINE_STATS; sctx->flags |= SI_CONTEXT_STOP_PIPELINE_STATS; } /* Occlusion queries. */ if (sctx->occlusion_queries_disabled != !enable) { sctx->occlusion_queries_disabled = !enable; si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state); } } void si_set_occlusion_query_state(struct si_context *sctx, bool old_perfect_enable) { si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state); bool perfect_enable = sctx->num_perfect_occlusion_queries != 0; if (perfect_enable != old_perfect_enable) si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config); } void si_save_qbo_state(struct si_context *sctx, struct si_qbo_state *st) { st->saved_compute = sctx->cs_shader_state.program; si_get_pipe_constant_buffer(sctx, PIPE_SHADER_COMPUTE, 0, &st->saved_const0); si_get_shader_buffers(sctx, PIPE_SHADER_COMPUTE, 0, 3, st->saved_ssbo); st->saved_ssbo_writable_mask = 0; for (unsigned i = 0; i < 3; i++) { if (sctx->const_and_shader_buffers[PIPE_SHADER_COMPUTE].writable_mask & (1u << si_get_shaderbuf_slot(i))) st->saved_ssbo_writable_mask |= 1 << i; } } static void si_emit_db_render_state(struct si_context *sctx) { struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; unsigned db_shader_control, db_render_control, db_count_control; unsigned initial_cdw = sctx->gfx_cs->current.cdw; /* DB_RENDER_CONTROL */ if (sctx->dbcb_depth_copy_enabled || sctx->dbcb_stencil_copy_enabled) { db_render_control = S_028000_DEPTH_COPY(sctx->dbcb_depth_copy_enabled) | S_028000_STENCIL_COPY(sctx->dbcb_stencil_copy_enabled) | S_028000_COPY_CENTROID(1) | S_028000_COPY_SAMPLE(sctx->dbcb_copy_sample); } else if (sctx->db_flush_depth_inplace || sctx->db_flush_stencil_inplace) { db_render_control = S_028000_DEPTH_COMPRESS_DISABLE(sctx->db_flush_depth_inplace) | S_028000_STENCIL_COMPRESS_DISABLE(sctx->db_flush_stencil_inplace); } else { db_render_control = S_028000_DEPTH_CLEAR_ENABLE(sctx->db_depth_clear) | S_028000_STENCIL_CLEAR_ENABLE(sctx->db_stencil_clear); } /* DB_COUNT_CONTROL (occlusion queries) */ if (sctx->num_occlusion_queries > 0 && !sctx->occlusion_queries_disabled) { bool perfect = sctx->num_perfect_occlusion_queries > 0; if (sctx->chip_class >= CIK) { unsigned log_sample_rate = sctx->framebuffer.log_samples; /* Stoney doesn't increment occlusion query counters * if the sample rate is 16x. Use 8x sample rate instead. */ if (sctx->family == CHIP_STONEY) log_sample_rate = MIN2(log_sample_rate, 3); db_count_control = S_028004_PERFECT_ZPASS_COUNTS(perfect) | S_028004_SAMPLE_RATE(log_sample_rate) | S_028004_ZPASS_ENABLE(1) | S_028004_SLICE_EVEN_ENABLE(1) | S_028004_SLICE_ODD_ENABLE(1); } else { db_count_control = S_028004_PERFECT_ZPASS_COUNTS(perfect) | S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples); } } else { /* Disable occlusion queries. */ if (sctx->chip_class >= CIK) { db_count_control = 0; } else { db_count_control = S_028004_ZPASS_INCREMENT_DISABLE(1); } } radeon_opt_set_context_reg2(sctx, R_028000_DB_RENDER_CONTROL, SI_TRACKED_DB_RENDER_CONTROL, db_render_control, db_count_control); /* DB_RENDER_OVERRIDE2 */ radeon_opt_set_context_reg(sctx, R_028010_DB_RENDER_OVERRIDE2, SI_TRACKED_DB_RENDER_OVERRIDE2, S_028010_DISABLE_ZMASK_EXPCLEAR_OPTIMIZATION(sctx->db_depth_disable_expclear) | S_028010_DISABLE_SMEM_EXPCLEAR_OPTIMIZATION(sctx->db_stencil_disable_expclear) | S_028010_DECOMPRESS_Z_ON_FLUSH(sctx->framebuffer.nr_samples >= 4)); db_shader_control = sctx->ps_db_shader_control; /* Bug workaround for smoothing (overrasterization) on SI. */ if (sctx->chip_class == SI && sctx->smoothing_enabled) { db_shader_control &= C_02880C_Z_ORDER; db_shader_control |= S_02880C_Z_ORDER(V_02880C_LATE_Z); } /* Disable the gl_SampleMask fragment shader output if MSAA is disabled. */ if (!rs->multisample_enable) db_shader_control &= C_02880C_MASK_EXPORT_ENABLE; if (sctx->screen->has_rbplus && !sctx->screen->rbplus_allowed) db_shader_control |= S_02880C_DUAL_QUAD_DISABLE(1); radeon_opt_set_context_reg(sctx, R_02880C_DB_SHADER_CONTROL, SI_TRACKED_DB_SHADER_CONTROL, db_shader_control); if (initial_cdw != sctx->gfx_cs->current.cdw) sctx->context_roll_counter++; } /* * format translation */ static uint32_t si_translate_colorformat(enum pipe_format format) { const struct util_format_description *desc = util_format_description(format); if (!desc) return V_028C70_COLOR_INVALID; #define HAS_SIZE(x,y,z,w) \ (desc->channel[0].size == (x) && desc->channel[1].size == (y) && \ desc->channel[2].size == (z) && desc->channel[3].size == (w)) if (format == PIPE_FORMAT_R11G11B10_FLOAT) /* isn't plain */ return V_028C70_COLOR_10_11_11; if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) return V_028C70_COLOR_INVALID; /* hw cannot support mixed formats (except depth/stencil, since * stencil is not written to). */ if (desc->is_mixed && desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) return V_028C70_COLOR_INVALID; switch (desc->nr_channels) { case 1: switch (desc->channel[0].size) { case 8: return V_028C70_COLOR_8; case 16: return V_028C70_COLOR_16; case 32: return V_028C70_COLOR_32; } break; case 2: if (desc->channel[0].size == desc->channel[1].size) { switch (desc->channel[0].size) { case 8: return V_028C70_COLOR_8_8; case 16: return V_028C70_COLOR_16_16; case 32: return V_028C70_COLOR_32_32; } } else if (HAS_SIZE(8,24,0,0)) { return V_028C70_COLOR_24_8; } else if (HAS_SIZE(24,8,0,0)) { return V_028C70_COLOR_8_24; } break; case 3: if (HAS_SIZE(5,6,5,0)) { return V_028C70_COLOR_5_6_5; } else if (HAS_SIZE(32,8,24,0)) { return V_028C70_COLOR_X24_8_32_FLOAT; } break; case 4: if (desc->channel[0].size == desc->channel[1].size && desc->channel[0].size == desc->channel[2].size && desc->channel[0].size == desc->channel[3].size) { switch (desc->channel[0].size) { case 4: return V_028C70_COLOR_4_4_4_4; case 8: return V_028C70_COLOR_8_8_8_8; case 16: return V_028C70_COLOR_16_16_16_16; case 32: return V_028C70_COLOR_32_32_32_32; } } else if (HAS_SIZE(5,5,5,1)) { return V_028C70_COLOR_1_5_5_5; } else if (HAS_SIZE(1,5,5,5)) { return V_028C70_COLOR_5_5_5_1; } else if (HAS_SIZE(10,10,10,2)) { return V_028C70_COLOR_2_10_10_10; } break; } return V_028C70_COLOR_INVALID; } static uint32_t si_colorformat_endian_swap(uint32_t colorformat) { if (SI_BIG_ENDIAN) { switch(colorformat) { /* 8-bit buffers. */ case V_028C70_COLOR_8: return V_028C70_ENDIAN_NONE; /* 16-bit buffers. */ case V_028C70_COLOR_5_6_5: case V_028C70_COLOR_1_5_5_5: case V_028C70_COLOR_4_4_4_4: case V_028C70_COLOR_16: case V_028C70_COLOR_8_8: return V_028C70_ENDIAN_8IN16; /* 32-bit buffers. */ case V_028C70_COLOR_8_8_8_8: case V_028C70_COLOR_2_10_10_10: case V_028C70_COLOR_8_24: case V_028C70_COLOR_24_8: case V_028C70_COLOR_16_16: return V_028C70_ENDIAN_8IN32; /* 64-bit buffers. */ case V_028C70_COLOR_16_16_16_16: return V_028C70_ENDIAN_8IN16; case V_028C70_COLOR_32_32: return V_028C70_ENDIAN_8IN32; /* 128-bit buffers. */ case V_028C70_COLOR_32_32_32_32: return V_028C70_ENDIAN_8IN32; default: return V_028C70_ENDIAN_NONE; /* Unsupported. */ } } else { return V_028C70_ENDIAN_NONE; } } static uint32_t si_translate_dbformat(enum pipe_format format) { switch (format) { case PIPE_FORMAT_Z16_UNORM: return V_028040_Z_16; case PIPE_FORMAT_S8_UINT_Z24_UNORM: case PIPE_FORMAT_X8Z24_UNORM: case PIPE_FORMAT_Z24X8_UNORM: case PIPE_FORMAT_Z24_UNORM_S8_UINT: return V_028040_Z_24; /* deprecated on SI */ case PIPE_FORMAT_Z32_FLOAT: case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: return V_028040_Z_32_FLOAT; default: return V_028040_Z_INVALID; } } /* * Texture translation */ static uint32_t si_translate_texformat(struct pipe_screen *screen, enum pipe_format format, const struct util_format_description *desc, int first_non_void) { struct si_screen *sscreen = (struct si_screen*)screen; bool uniform = true; int i; /* Colorspace (return non-RGB formats directly). */ switch (desc->colorspace) { /* Depth stencil formats */ case UTIL_FORMAT_COLORSPACE_ZS: switch (format) { case PIPE_FORMAT_Z16_UNORM: return V_008F14_IMG_DATA_FORMAT_16; case PIPE_FORMAT_X24S8_UINT: case PIPE_FORMAT_S8X24_UINT: /* * Implemented as an 8_8_8_8 data format to fix texture * gathers in stencil sampling. This affects at least * GL45-CTS.texture_cube_map_array.sampling on VI. */ if (sscreen->info.chip_class <= VI) return V_008F14_IMG_DATA_FORMAT_8_8_8_8; if (format == PIPE_FORMAT_X24S8_UINT) return V_008F14_IMG_DATA_FORMAT_8_24; else return V_008F14_IMG_DATA_FORMAT_24_8; case PIPE_FORMAT_Z24X8_UNORM: case PIPE_FORMAT_Z24_UNORM_S8_UINT: return V_008F14_IMG_DATA_FORMAT_8_24; case PIPE_FORMAT_X8Z24_UNORM: case PIPE_FORMAT_S8_UINT_Z24_UNORM: return V_008F14_IMG_DATA_FORMAT_24_8; case PIPE_FORMAT_S8_UINT: return V_008F14_IMG_DATA_FORMAT_8; case PIPE_FORMAT_Z32_FLOAT: return V_008F14_IMG_DATA_FORMAT_32; case PIPE_FORMAT_X32_S8X24_UINT: case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: return V_008F14_IMG_DATA_FORMAT_X24_8_32; default: goto out_unknown; } case UTIL_FORMAT_COLORSPACE_YUV: goto out_unknown; /* TODO */ case UTIL_FORMAT_COLORSPACE_SRGB: if (desc->nr_channels != 4 && desc->nr_channels != 1) goto out_unknown; break; default: break; } if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) { if (!sscreen->info.has_format_bc1_through_bc7) goto out_unknown; switch (format) { case PIPE_FORMAT_RGTC1_SNORM: case PIPE_FORMAT_LATC1_SNORM: case PIPE_FORMAT_RGTC1_UNORM: case PIPE_FORMAT_LATC1_UNORM: return V_008F14_IMG_DATA_FORMAT_BC4; case PIPE_FORMAT_RGTC2_SNORM: case PIPE_FORMAT_LATC2_SNORM: case PIPE_FORMAT_RGTC2_UNORM: case PIPE_FORMAT_LATC2_UNORM: return V_008F14_IMG_DATA_FORMAT_BC5; default: goto out_unknown; } } if (desc->layout == UTIL_FORMAT_LAYOUT_ETC && (sscreen->info.family == CHIP_STONEY || sscreen->info.family == CHIP_VEGA10 || sscreen->info.family == CHIP_RAVEN)) { switch (format) { case PIPE_FORMAT_ETC1_RGB8: case PIPE_FORMAT_ETC2_RGB8: case PIPE_FORMAT_ETC2_SRGB8: return V_008F14_IMG_DATA_FORMAT_ETC2_RGB; case PIPE_FORMAT_ETC2_RGB8A1: case PIPE_FORMAT_ETC2_SRGB8A1: return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA1; case PIPE_FORMAT_ETC2_RGBA8: case PIPE_FORMAT_ETC2_SRGBA8: return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA; case PIPE_FORMAT_ETC2_R11_UNORM: case PIPE_FORMAT_ETC2_R11_SNORM: return V_008F14_IMG_DATA_FORMAT_ETC2_R; case PIPE_FORMAT_ETC2_RG11_UNORM: case PIPE_FORMAT_ETC2_RG11_SNORM: return V_008F14_IMG_DATA_FORMAT_ETC2_RG; default: goto out_unknown; } } if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC) { if (!sscreen->info.has_format_bc1_through_bc7) goto out_unknown; switch (format) { case PIPE_FORMAT_BPTC_RGBA_UNORM: case PIPE_FORMAT_BPTC_SRGBA: return V_008F14_IMG_DATA_FORMAT_BC7; case PIPE_FORMAT_BPTC_RGB_FLOAT: case PIPE_FORMAT_BPTC_RGB_UFLOAT: return V_008F14_IMG_DATA_FORMAT_BC6; default: goto out_unknown; } } if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) { switch (format) { case PIPE_FORMAT_R8G8_B8G8_UNORM: case PIPE_FORMAT_G8R8_B8R8_UNORM: return V_008F14_IMG_DATA_FORMAT_GB_GR; case PIPE_FORMAT_G8R8_G8B8_UNORM: case PIPE_FORMAT_R8G8_R8B8_UNORM: return V_008F14_IMG_DATA_FORMAT_BG_RG; default: goto out_unknown; } } if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { if (!sscreen->info.has_format_bc1_through_bc7) goto out_unknown; switch (format) { case PIPE_FORMAT_DXT1_RGB: case PIPE_FORMAT_DXT1_RGBA: case PIPE_FORMAT_DXT1_SRGB: case PIPE_FORMAT_DXT1_SRGBA: return V_008F14_IMG_DATA_FORMAT_BC1; case PIPE_FORMAT_DXT3_RGBA: case PIPE_FORMAT_DXT3_SRGBA: return V_008F14_IMG_DATA_FORMAT_BC2; case PIPE_FORMAT_DXT5_RGBA: case PIPE_FORMAT_DXT5_SRGBA: return V_008F14_IMG_DATA_FORMAT_BC3; default: goto out_unknown; } } if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) { return V_008F14_IMG_DATA_FORMAT_5_9_9_9; } else if (format == PIPE_FORMAT_R11G11B10_FLOAT) { return V_008F14_IMG_DATA_FORMAT_10_11_11; } /* R8G8Bx_SNORM - TODO CxV8U8 */ /* hw cannot support mixed formats (except depth/stencil, since only * depth is read).*/ if (desc->is_mixed && desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) goto out_unknown; /* See whether the components are of the same size. */ for (i = 1; i < desc->nr_channels; i++) { uniform = uniform && desc->channel[0].size == desc->channel[i].size; } /* Non-uniform formats. */ if (!uniform) { switch(desc->nr_channels) { case 3: if (desc->channel[0].size == 5 && desc->channel[1].size == 6 && desc->channel[2].size == 5) { return V_008F14_IMG_DATA_FORMAT_5_6_5; } goto out_unknown; case 4: if (desc->channel[0].size == 5 && desc->channel[1].size == 5 && desc->channel[2].size == 5 && desc->channel[3].size == 1) { return V_008F14_IMG_DATA_FORMAT_1_5_5_5; } if (desc->channel[0].size == 1 && desc->channel[1].size == 5 && desc->channel[2].size == 5 && desc->channel[3].size == 5) { return V_008F14_IMG_DATA_FORMAT_5_5_5_1; } if (desc->channel[0].size == 10 && desc->channel[1].size == 10 && desc->channel[2].size == 10 && desc->channel[3].size == 2) { return V_008F14_IMG_DATA_FORMAT_2_10_10_10; } goto out_unknown; } goto out_unknown; } if (first_non_void < 0 || first_non_void > 3) goto out_unknown; /* uniform formats */ switch (desc->channel[first_non_void].size) { case 4: switch (desc->nr_channels) { #if 0 /* Not supported for render targets */ case 2: return V_008F14_IMG_DATA_FORMAT_4_4; #endif case 4: return V_008F14_IMG_DATA_FORMAT_4_4_4_4; } break; case 8: switch (desc->nr_channels) { case 1: return V_008F14_IMG_DATA_FORMAT_8; case 2: return V_008F14_IMG_DATA_FORMAT_8_8; case 4: return V_008F14_IMG_DATA_FORMAT_8_8_8_8; } break; case 16: switch (desc->nr_channels) { case 1: return V_008F14_IMG_DATA_FORMAT_16; case 2: return V_008F14_IMG_DATA_FORMAT_16_16; case 4: return V_008F14_IMG_DATA_FORMAT_16_16_16_16; } break; case 32: switch (desc->nr_channels) { case 1: return V_008F14_IMG_DATA_FORMAT_32; case 2: return V_008F14_IMG_DATA_FORMAT_32_32; #if 0 /* Not supported for render targets */ case 3: return V_008F14_IMG_DATA_FORMAT_32_32_32; #endif case 4: return V_008F14_IMG_DATA_FORMAT_32_32_32_32; } } out_unknown: return ~0; } static unsigned si_tex_wrap(unsigned wrap) { switch (wrap) { default: case PIPE_TEX_WRAP_REPEAT: return V_008F30_SQ_TEX_WRAP; case PIPE_TEX_WRAP_CLAMP: return V_008F30_SQ_TEX_CLAMP_HALF_BORDER; case PIPE_TEX_WRAP_CLAMP_TO_EDGE: return V_008F30_SQ_TEX_CLAMP_LAST_TEXEL; case PIPE_TEX_WRAP_CLAMP_TO_BORDER: return V_008F30_SQ_TEX_CLAMP_BORDER; case PIPE_TEX_WRAP_MIRROR_REPEAT: return V_008F30_SQ_TEX_MIRROR; case PIPE_TEX_WRAP_MIRROR_CLAMP: return V_008F30_SQ_TEX_MIRROR_ONCE_HALF_BORDER; case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: return V_008F30_SQ_TEX_MIRROR_ONCE_LAST_TEXEL; case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: return V_008F30_SQ_TEX_MIRROR_ONCE_BORDER; } } static unsigned si_tex_mipfilter(unsigned filter) { switch (filter) { case PIPE_TEX_MIPFILTER_NEAREST: return V_008F38_SQ_TEX_Z_FILTER_POINT; case PIPE_TEX_MIPFILTER_LINEAR: return V_008F38_SQ_TEX_Z_FILTER_LINEAR; default: case PIPE_TEX_MIPFILTER_NONE: return V_008F38_SQ_TEX_Z_FILTER_NONE; } } static unsigned si_tex_compare(unsigned compare) { switch (compare) { default: case PIPE_FUNC_NEVER: return V_008F30_SQ_TEX_DEPTH_COMPARE_NEVER; case PIPE_FUNC_LESS: return V_008F30_SQ_TEX_DEPTH_COMPARE_LESS; case PIPE_FUNC_EQUAL: return V_008F30_SQ_TEX_DEPTH_COMPARE_EQUAL; case PIPE_FUNC_LEQUAL: return V_008F30_SQ_TEX_DEPTH_COMPARE_LESSEQUAL; case PIPE_FUNC_GREATER: return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATER; case PIPE_FUNC_NOTEQUAL: return V_008F30_SQ_TEX_DEPTH_COMPARE_NOTEQUAL; case PIPE_FUNC_GEQUAL: return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATEREQUAL; case PIPE_FUNC_ALWAYS: return V_008F30_SQ_TEX_DEPTH_COMPARE_ALWAYS; } } static unsigned si_tex_dim(struct si_screen *sscreen, struct si_texture *tex, unsigned view_target, unsigned nr_samples) { unsigned res_target = tex->buffer.b.b.target; if (view_target == PIPE_TEXTURE_CUBE || view_target == PIPE_TEXTURE_CUBE_ARRAY) res_target = view_target; /* If interpreting cubemaps as something else, set 2D_ARRAY. */ else if (res_target == PIPE_TEXTURE_CUBE || res_target == PIPE_TEXTURE_CUBE_ARRAY) res_target = PIPE_TEXTURE_2D_ARRAY; /* GFX9 allocates 1D textures as 2D. */ if ((res_target == PIPE_TEXTURE_1D || res_target == PIPE_TEXTURE_1D_ARRAY) && sscreen->info.chip_class >= GFX9 && tex->surface.u.gfx9.resource_type == RADEON_RESOURCE_2D) { if (res_target == PIPE_TEXTURE_1D) res_target = PIPE_TEXTURE_2D; else res_target = PIPE_TEXTURE_2D_ARRAY; } switch (res_target) { default: case PIPE_TEXTURE_1D: return V_008F1C_SQ_RSRC_IMG_1D; case PIPE_TEXTURE_1D_ARRAY: return V_008F1C_SQ_RSRC_IMG_1D_ARRAY; case PIPE_TEXTURE_2D: case PIPE_TEXTURE_RECT: return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA : V_008F1C_SQ_RSRC_IMG_2D; case PIPE_TEXTURE_2D_ARRAY: return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY : V_008F1C_SQ_RSRC_IMG_2D_ARRAY; case PIPE_TEXTURE_3D: return V_008F1C_SQ_RSRC_IMG_3D; case PIPE_TEXTURE_CUBE: case PIPE_TEXTURE_CUBE_ARRAY: return V_008F1C_SQ_RSRC_IMG_CUBE; } } /* * Format support testing */ static bool si_is_sampler_format_supported(struct pipe_screen *screen, enum pipe_format format) { const struct util_format_description *desc = util_format_description(format); if (!desc) return false; return si_translate_texformat(screen, format, desc, util_format_get_first_non_void_channel(format)) != ~0U; } static uint32_t si_translate_buffer_dataformat(struct pipe_screen *screen, const struct util_format_description *desc, int first_non_void) { int i; if (desc->format == PIPE_FORMAT_R11G11B10_FLOAT) return V_008F0C_BUF_DATA_FORMAT_10_11_11; assert(first_non_void >= 0); if (desc->nr_channels == 4 && desc->channel[0].size == 10 && desc->channel[1].size == 10 && desc->channel[2].size == 10 && desc->channel[3].size == 2) return V_008F0C_BUF_DATA_FORMAT_2_10_10_10; /* See whether the components are of the same size. */ for (i = 0; i < desc->nr_channels; i++) { if (desc->channel[first_non_void].size != desc->channel[i].size) return V_008F0C_BUF_DATA_FORMAT_INVALID; } switch (desc->channel[first_non_void].size) { case 8: switch (desc->nr_channels) { case 1: case 3: /* 3 loads */ return V_008F0C_BUF_DATA_FORMAT_8; case 2: return V_008F0C_BUF_DATA_FORMAT_8_8; case 4: return V_008F0C_BUF_DATA_FORMAT_8_8_8_8; } break; case 16: switch (desc->nr_channels) { case 1: case 3: /* 3 loads */ return V_008F0C_BUF_DATA_FORMAT_16; case 2: return V_008F0C_BUF_DATA_FORMAT_16_16; case 4: return V_008F0C_BUF_DATA_FORMAT_16_16_16_16; } break; case 32: switch (desc->nr_channels) { case 1: return V_008F0C_BUF_DATA_FORMAT_32; case 2: return V_008F0C_BUF_DATA_FORMAT_32_32; case 3: return V_008F0C_BUF_DATA_FORMAT_32_32_32; case 4: return V_008F0C_BUF_DATA_FORMAT_32_32_32_32; } break; case 64: /* Legacy double formats. */ switch (desc->nr_channels) { case 1: /* 1 load */ return V_008F0C_BUF_DATA_FORMAT_32_32; case 2: /* 1 load */ return V_008F0C_BUF_DATA_FORMAT_32_32_32_32; case 3: /* 3 loads */ return V_008F0C_BUF_DATA_FORMAT_32_32; case 4: /* 2 loads */ return V_008F0C_BUF_DATA_FORMAT_32_32_32_32; } break; } return V_008F0C_BUF_DATA_FORMAT_INVALID; } static uint32_t si_translate_buffer_numformat(struct pipe_screen *screen, const struct util_format_description *desc, int first_non_void) { if (desc->format == PIPE_FORMAT_R11G11B10_FLOAT) return V_008F0C_BUF_NUM_FORMAT_FLOAT; assert(first_non_void >= 0); switch (desc->channel[first_non_void].type) { case UTIL_FORMAT_TYPE_SIGNED: case UTIL_FORMAT_TYPE_FIXED: if (desc->channel[first_non_void].size >= 32 || desc->channel[first_non_void].pure_integer) return V_008F0C_BUF_NUM_FORMAT_SINT; else if (desc->channel[first_non_void].normalized) return V_008F0C_BUF_NUM_FORMAT_SNORM; else return V_008F0C_BUF_NUM_FORMAT_SSCALED; break; case UTIL_FORMAT_TYPE_UNSIGNED: if (desc->channel[first_non_void].size >= 32 || desc->channel[first_non_void].pure_integer) return V_008F0C_BUF_NUM_FORMAT_UINT; else if (desc->channel[first_non_void].normalized) return V_008F0C_BUF_NUM_FORMAT_UNORM; else return V_008F0C_BUF_NUM_FORMAT_USCALED; break; case UTIL_FORMAT_TYPE_FLOAT: default: return V_008F0C_BUF_NUM_FORMAT_FLOAT; } } static unsigned si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format, unsigned usage) { const struct util_format_description *desc; int first_non_void; unsigned data_format; assert((usage & ~(PIPE_BIND_SHADER_IMAGE | PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_VERTEX_BUFFER)) == 0); desc = util_format_description(format); if (!desc) return 0; /* There are no native 8_8_8 or 16_16_16 data formats, and we currently * select 8_8_8_8 and 16_16_16_16 instead. This works reasonably well * for read-only access (with caveats surrounding bounds checks), but * obviously fails for write access which we have to implement for * shader images. Luckily, OpenGL doesn't expect this to be supported * anyway, and so the only impact is on PBO uploads / downloads, which * shouldn't be expected to be fast for GL_RGB anyway. */ if (desc->block.bits == 3 * 8 || desc->block.bits == 3 * 16) { if (usage & (PIPE_BIND_SHADER_IMAGE | PIPE_BIND_SAMPLER_VIEW)) { usage &= ~(PIPE_BIND_SHADER_IMAGE | PIPE_BIND_SAMPLER_VIEW); if (!usage) return 0; } } first_non_void = util_format_get_first_non_void_channel(format); data_format = si_translate_buffer_dataformat(screen, desc, first_non_void); if (data_format == V_008F0C_BUF_DATA_FORMAT_INVALID) return 0; return usage; } static bool si_is_colorbuffer_format_supported(enum pipe_format format) { return si_translate_colorformat(format) != V_028C70_COLOR_INVALID && si_translate_colorswap(format, false) != ~0U; } static bool si_is_zs_format_supported(enum pipe_format format) { return si_translate_dbformat(format) != V_028040_Z_INVALID; } static boolean si_is_format_supported(struct pipe_screen *screen, enum pipe_format format, enum pipe_texture_target target, unsigned sample_count, unsigned storage_sample_count, unsigned usage) { struct si_screen *sscreen = (struct si_screen *)screen; unsigned retval = 0; if (target >= PIPE_MAX_TEXTURE_TYPES) { PRINT_ERR("radeonsi: unsupported texture type %d\n", target); return false; } if (MAX2(1, sample_count) < MAX2(1, storage_sample_count)) return false; if (sample_count > 1) { if (!screen->get_param(screen, PIPE_CAP_TEXTURE_MULTISAMPLE)) return false; if (usage & PIPE_BIND_SHADER_IMAGE) return false; /* Only power-of-two sample counts are supported. */ if (!util_is_power_of_two_or_zero(sample_count) || !util_is_power_of_two_or_zero(storage_sample_count)) return false; /* MSAA support without framebuffer attachments. */ if (format == PIPE_FORMAT_NONE && sample_count <= 16) return true; if (!sscreen->info.has_eqaa_surface_allocator || util_format_is_depth_or_stencil(format)) { /* Color without EQAA or depth/stencil. */ if (sample_count > 8 || sample_count != storage_sample_count) return false; } else { /* Color with EQAA. */ if (sample_count > 16 || storage_sample_count > 8) return false; } } if (usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_SHADER_IMAGE)) { if (target == PIPE_BUFFER) { retval |= si_is_vertex_format_supported( screen, format, usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_SHADER_IMAGE)); } else { if (si_is_sampler_format_supported(screen, format)) retval |= usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_SHADER_IMAGE); } } if ((usage & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED | PIPE_BIND_BLENDABLE)) && si_is_colorbuffer_format_supported(format)) { retval |= usage & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED); if (!util_format_is_pure_integer(format) && !util_format_is_depth_or_stencil(format)) retval |= usage & PIPE_BIND_BLENDABLE; } if ((usage & PIPE_BIND_DEPTH_STENCIL) && si_is_zs_format_supported(format)) { retval |= PIPE_BIND_DEPTH_STENCIL; } if (usage & PIPE_BIND_VERTEX_BUFFER) { retval |= si_is_vertex_format_supported(screen, format, PIPE_BIND_VERTEX_BUFFER); } if ((usage & PIPE_BIND_LINEAR) && !util_format_is_compressed(format) && !(usage & PIPE_BIND_DEPTH_STENCIL)) retval |= PIPE_BIND_LINEAR; return retval == usage; } /* * framebuffer handling */ static void si_choose_spi_color_formats(struct si_surface *surf, unsigned format, unsigned swap, unsigned ntype, bool is_depth) { /* Alpha is needed for alpha-to-coverage. * Blending may be with or without alpha. */ unsigned normal = 0; /* most optimal, may not support blending or export alpha */ unsigned alpha = 0; /* exports alpha, but may not support blending */ unsigned blend = 0; /* supports blending, but may not export alpha */ unsigned blend_alpha = 0; /* least optimal, supports blending and exports alpha */ /* Choose the SPI color formats. These are required values for RB+. * Other chips have multiple choices, though they are not necessarily better. */ switch (format) { case V_028C70_COLOR_5_6_5: case V_028C70_COLOR_1_5_5_5: case V_028C70_COLOR_5_5_5_1: case V_028C70_COLOR_4_4_4_4: case V_028C70_COLOR_10_11_11: case V_028C70_COLOR_11_11_10: case V_028C70_COLOR_8: case V_028C70_COLOR_8_8: case V_028C70_COLOR_8_8_8_8: case V_028C70_COLOR_10_10_10_2: case V_028C70_COLOR_2_10_10_10: if (ntype == V_028C70_NUMBER_UINT) alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR; else if (ntype == V_028C70_NUMBER_SINT) alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR; else alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR; break; case V_028C70_COLOR_16: case V_028C70_COLOR_16_16: case V_028C70_COLOR_16_16_16_16: if (ntype == V_028C70_NUMBER_UNORM || ntype == V_028C70_NUMBER_SNORM) { /* UNORM16 and SNORM16 don't support blending */ if (ntype == V_028C70_NUMBER_UNORM) normal = alpha = V_028714_SPI_SHADER_UNORM16_ABGR; else normal = alpha = V_028714_SPI_SHADER_SNORM16_ABGR; /* Use 32 bits per channel for blending. */ if (format == V_028C70_COLOR_16) { if (swap == V_028C70_SWAP_STD) { /* R */ blend = V_028714_SPI_SHADER_32_R; blend_alpha = V_028714_SPI_SHADER_32_AR; } else if (swap == V_028C70_SWAP_ALT_REV) /* A */ blend = blend_alpha = V_028714_SPI_SHADER_32_AR; else assert(0); } else if (format == V_028C70_COLOR_16_16) { if (swap == V_028C70_SWAP_STD) { /* RG */ blend = V_028714_SPI_SHADER_32_GR; blend_alpha = V_028714_SPI_SHADER_32_ABGR; } else if (swap == V_028C70_SWAP_ALT) /* RA */ blend = blend_alpha = V_028714_SPI_SHADER_32_AR; else assert(0); } else /* 16_16_16_16 */ blend = blend_alpha = V_028714_SPI_SHADER_32_ABGR; } else if (ntype == V_028C70_NUMBER_UINT) alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR; else if (ntype == V_028C70_NUMBER_SINT) alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR; else if (ntype == V_028C70_NUMBER_FLOAT) alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR; else assert(0); break; case V_028C70_COLOR_32: if (swap == V_028C70_SWAP_STD) { /* R */ blend = normal = V_028714_SPI_SHADER_32_R; alpha = blend_alpha = V_028714_SPI_SHADER_32_AR; } else if (swap == V_028C70_SWAP_ALT_REV) /* A */ alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR; else assert(0); break; case V_028C70_COLOR_32_32: if (swap == V_028C70_SWAP_STD) { /* RG */ blend = normal = V_028714_SPI_SHADER_32_GR; alpha = blend_alpha = V_028714_SPI_SHADER_32_ABGR; } else if (swap == V_028C70_SWAP_ALT) /* RA */ alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR; else assert(0); break; case V_028C70_COLOR_32_32_32_32: case V_028C70_COLOR_8_24: case V_028C70_COLOR_24_8: case V_028C70_COLOR_X24_8_32_FLOAT: alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_ABGR; break; default: assert(0); return; } /* The DB->CB copy needs 32_ABGR. */ if (is_depth) alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_ABGR; surf->spi_shader_col_format = normal; surf->spi_shader_col_format_alpha = alpha; surf->spi_shader_col_format_blend = blend; surf->spi_shader_col_format_blend_alpha = blend_alpha; } static void si_initialize_color_surface(struct si_context *sctx, struct si_surface *surf) { struct si_texture *tex = (struct si_texture*)surf->base.texture; unsigned color_info, color_attrib; unsigned format, swap, ntype, endian; const struct util_format_description *desc; int firstchan; unsigned blend_clamp = 0, blend_bypass = 0; desc = util_format_description(surf->base.format); for (firstchan = 0; firstchan < 4; firstchan++) { if (desc->channel[firstchan].type != UTIL_FORMAT_TYPE_VOID) { break; } } if (firstchan == 4 || desc->channel[firstchan].type == UTIL_FORMAT_TYPE_FLOAT) { ntype = V_028C70_NUMBER_FLOAT; } else { ntype = V_028C70_NUMBER_UNORM; if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) ntype = V_028C70_NUMBER_SRGB; else if (desc->channel[firstchan].type == UTIL_FORMAT_TYPE_SIGNED) { if (desc->channel[firstchan].pure_integer) { ntype = V_028C70_NUMBER_SINT; } else { assert(desc->channel[firstchan].normalized); ntype = V_028C70_NUMBER_SNORM; } } else if (desc->channel[firstchan].type == UTIL_FORMAT_TYPE_UNSIGNED) { if (desc->channel[firstchan].pure_integer) { ntype = V_028C70_NUMBER_UINT; } else { assert(desc->channel[firstchan].normalized); ntype = V_028C70_NUMBER_UNORM; } } } format = si_translate_colorformat(surf->base.format); if (format == V_028C70_COLOR_INVALID) { PRINT_ERR("Invalid CB format: %d, disabling CB.\n", surf->base.format); } assert(format != V_028C70_COLOR_INVALID); swap = si_translate_colorswap(surf->base.format, false); endian = si_colorformat_endian_swap(format); /* blend clamp should be set for all NORM/SRGB types */ if (ntype == V_028C70_NUMBER_UNORM || ntype == V_028C70_NUMBER_SNORM || ntype == V_028C70_NUMBER_SRGB) blend_clamp = 1; /* set blend bypass according to docs if SINT/UINT or 8/24 COLOR variants */ if (ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT || format == V_028C70_COLOR_8_24 || format == V_028C70_COLOR_24_8 || format == V_028C70_COLOR_X24_8_32_FLOAT) { blend_clamp = 0; blend_bypass = 1; } if (ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT) { if (format == V_028C70_COLOR_8 || format == V_028C70_COLOR_8_8 || format == V_028C70_COLOR_8_8_8_8) surf->color_is_int8 = true; else if (format == V_028C70_COLOR_10_10_10_2 || format == V_028C70_COLOR_2_10_10_10) surf->color_is_int10 = true; } color_info = S_028C70_FORMAT(format) | S_028C70_COMP_SWAP(swap) | S_028C70_BLEND_CLAMP(blend_clamp) | S_028C70_BLEND_BYPASS(blend_bypass) | S_028C70_SIMPLE_FLOAT(1) | S_028C70_ROUND_MODE(ntype != V_028C70_NUMBER_UNORM && ntype != V_028C70_NUMBER_SNORM && ntype != V_028C70_NUMBER_SRGB && format != V_028C70_COLOR_8_24 && format != V_028C70_COLOR_24_8) | S_028C70_NUMBER_TYPE(ntype) | S_028C70_ENDIAN(endian); /* Intensity is implemented as Red, so treat it that way. */ color_attrib = S_028C74_FORCE_DST_ALPHA_1(desc->swizzle[3] == PIPE_SWIZZLE_1 || util_format_is_intensity(surf->base.format)); if (tex->buffer.b.b.nr_samples > 1) { unsigned log_samples = util_logbase2(tex->buffer.b.b.nr_samples); unsigned log_fragments = util_logbase2(tex->buffer.b.b.nr_storage_samples); color_attrib |= S_028C74_NUM_SAMPLES(log_samples) | S_028C74_NUM_FRAGMENTS(log_fragments); if (tex->surface.fmask_size) { color_info |= S_028C70_COMPRESSION(1); unsigned fmask_bankh = util_logbase2(tex->surface.u.legacy.fmask.bankh); if (sctx->chip_class == SI) { /* due to a hw bug, FMASK_BANK_HEIGHT must be set on SI too */ color_attrib |= S_028C74_FMASK_BANK_HEIGHT(fmask_bankh); } } } if (sctx->chip_class >= VI) { unsigned max_uncompressed_block_size = V_028C78_MAX_BLOCK_SIZE_256B; unsigned min_compressed_block_size = V_028C78_MIN_BLOCK_SIZE_32B; /* amdvlk: [min-compressed-block-size] should be set to 32 for dGPU and 64 for APU because all of our APUs to date use DIMMs which have a request granularity size of 64B while all other chips have a 32B request size */ if (!sctx->screen->info.has_dedicated_vram) min_compressed_block_size = V_028C78_MIN_BLOCK_SIZE_64B; if (tex->buffer.b.b.nr_storage_samples > 1) { if (tex->surface.bpe == 1) max_uncompressed_block_size = V_028C78_MAX_BLOCK_SIZE_64B; else if (tex->surface.bpe == 2) max_uncompressed_block_size = V_028C78_MAX_BLOCK_SIZE_128B; } surf->cb_dcc_control = S_028C78_MAX_UNCOMPRESSED_BLOCK_SIZE(max_uncompressed_block_size) | S_028C78_MIN_COMPRESSED_BLOCK_SIZE(min_compressed_block_size) | S_028C78_INDEPENDENT_64B_BLOCKS(1); } /* This must be set for fast clear to work without FMASK. */ if (!tex->surface.fmask_size && sctx->chip_class == SI) { unsigned bankh = util_logbase2(tex->surface.u.legacy.bankh); color_attrib |= S_028C74_FMASK_BANK_HEIGHT(bankh); } unsigned color_view = S_028C6C_SLICE_START(surf->base.u.tex.first_layer) | S_028C6C_SLICE_MAX(surf->base.u.tex.last_layer); if (sctx->chip_class >= GFX9) { unsigned mip0_depth = util_max_layer(&tex->buffer.b.b, 0); color_view |= S_028C6C_MIP_LEVEL(surf->base.u.tex.level); color_attrib |= S_028C74_MIP0_DEPTH(mip0_depth) | S_028C74_RESOURCE_TYPE(tex->surface.u.gfx9.resource_type); surf->cb_color_attrib2 = S_028C68_MIP0_WIDTH(surf->width0 - 1) | S_028C68_MIP0_HEIGHT(surf->height0 - 1) | S_028C68_MAX_MIP(tex->buffer.b.b.last_level); } surf->cb_color_view = color_view; surf->cb_color_info = color_info; surf->cb_color_attrib = color_attrib; /* Determine pixel shader export format */ si_choose_spi_color_formats(surf, format, swap, ntype, tex->is_depth); surf->color_initialized = true; } static void si_init_depth_surface(struct si_context *sctx, struct si_surface *surf) { struct si_texture *tex = (struct si_texture*)surf->base.texture; unsigned level = surf->base.u.tex.level; unsigned format, stencil_format; uint32_t z_info, s_info; format = si_translate_dbformat(tex->db_render_format); stencil_format = tex->surface.has_stencil ? V_028044_STENCIL_8 : V_028044_STENCIL_INVALID; assert(format != V_028040_Z_INVALID); if (format == V_028040_Z_INVALID) PRINT_ERR("Invalid DB format: %d, disabling DB.\n", tex->buffer.b.b.format); surf->db_depth_view = S_028008_SLICE_START(surf->base.u.tex.first_layer) | S_028008_SLICE_MAX(surf->base.u.tex.last_layer); surf->db_htile_data_base = 0; surf->db_htile_surface = 0; if (sctx->chip_class >= GFX9) { assert(tex->surface.u.gfx9.surf_offset == 0); surf->db_depth_base = tex->buffer.gpu_address >> 8; surf->db_stencil_base = (tex->buffer.gpu_address + tex->surface.u.gfx9.stencil_offset) >> 8; z_info = S_028038_FORMAT(format) | S_028038_NUM_SAMPLES(util_logbase2(tex->buffer.b.b.nr_samples)) | S_028038_SW_MODE(tex->surface.u.gfx9.surf.swizzle_mode) | S_028038_MAXMIP(tex->buffer.b.b.last_level); s_info = S_02803C_FORMAT(stencil_format) | S_02803C_SW_MODE(tex->surface.u.gfx9.stencil.swizzle_mode); surf->db_z_info2 = S_028068_EPITCH(tex->surface.u.gfx9.surf.epitch); surf->db_stencil_info2 = S_02806C_EPITCH(tex->surface.u.gfx9.stencil.epitch); surf->db_depth_view |= S_028008_MIPID(level); surf->db_depth_size = S_02801C_X_MAX(tex->buffer.b.b.width0 - 1) | S_02801C_Y_MAX(tex->buffer.b.b.height0 - 1); if (si_htile_enabled(tex, level)) { z_info |= S_028038_TILE_SURFACE_ENABLE(1) | S_028038_ALLOW_EXPCLEAR(1); if (tex->tc_compatible_htile) { unsigned max_zplanes = 4; if (tex->db_render_format == PIPE_FORMAT_Z16_UNORM && tex->buffer.b.b.nr_samples > 1) max_zplanes = 2; z_info |= S_028038_DECOMPRESS_ON_N_ZPLANES(max_zplanes + 1) | S_028038_ITERATE_FLUSH(1); s_info |= S_02803C_ITERATE_FLUSH(1); } if (tex->surface.has_stencil) { /* Stencil buffer workaround ported from the SI-CI-VI code. * See that for explanation. */ s_info |= S_02803C_ALLOW_EXPCLEAR(tex->buffer.b.b.nr_samples <= 1); } else { /* Use all HTILE for depth if there's no stencil. */ s_info |= S_02803C_TILE_STENCIL_DISABLE(1); } surf->db_htile_data_base = (tex->buffer.gpu_address + tex->htile_offset) >> 8; surf->db_htile_surface = S_028ABC_FULL_CACHE(1) | S_028ABC_PIPE_ALIGNED(tex->surface.u.gfx9.htile.pipe_aligned) | S_028ABC_RB_ALIGNED(tex->surface.u.gfx9.htile.rb_aligned); } } else { /* SI-CI-VI */ struct legacy_surf_level *levelinfo = &tex->surface.u.legacy.level[level]; assert(levelinfo->nblk_x % 8 == 0 && levelinfo->nblk_y % 8 == 0); surf->db_depth_base = (tex->buffer.gpu_address + tex->surface.u.legacy.level[level].offset) >> 8; surf->db_stencil_base = (tex->buffer.gpu_address + tex->surface.u.legacy.stencil_level[level].offset) >> 8; z_info = S_028040_FORMAT(format) | S_028040_NUM_SAMPLES(util_logbase2(tex->buffer.b.b.nr_samples)); s_info = S_028044_FORMAT(stencil_format); surf->db_depth_info = S_02803C_ADDR5_SWIZZLE_MASK(!tex->tc_compatible_htile); if (sctx->chip_class >= CIK) { struct radeon_info *info = &sctx->screen->info; unsigned index = tex->surface.u.legacy.tiling_index[level]; unsigned stencil_index = tex->surface.u.legacy.stencil_tiling_index[level]; unsigned macro_index = tex->surface.u.legacy.macro_tile_index; unsigned tile_mode = info->si_tile_mode_array[index]; unsigned stencil_tile_mode = info->si_tile_mode_array[stencil_index]; unsigned macro_mode = info->cik_macrotile_mode_array[macro_index]; surf->db_depth_info |= S_02803C_ARRAY_MODE(G_009910_ARRAY_MODE(tile_mode)) | S_02803C_PIPE_CONFIG(G_009910_PIPE_CONFIG(tile_mode)) | S_02803C_BANK_WIDTH(G_009990_BANK_WIDTH(macro_mode)) | S_02803C_BANK_HEIGHT(G_009990_BANK_HEIGHT(macro_mode)) | S_02803C_MACRO_TILE_ASPECT(G_009990_MACRO_TILE_ASPECT(macro_mode)) | S_02803C_NUM_BANKS(G_009990_NUM_BANKS(macro_mode)); z_info |= S_028040_TILE_SPLIT(G_009910_TILE_SPLIT(tile_mode)); s_info |= S_028044_TILE_SPLIT(G_009910_TILE_SPLIT(stencil_tile_mode)); } else { unsigned tile_mode_index = si_tile_mode_index(tex, level, false); z_info |= S_028040_TILE_MODE_INDEX(tile_mode_index); tile_mode_index = si_tile_mode_index(tex, level, true); s_info |= S_028044_TILE_MODE_INDEX(tile_mode_index); } surf->db_depth_size = S_028058_PITCH_TILE_MAX((levelinfo->nblk_x / 8) - 1) | S_028058_HEIGHT_TILE_MAX((levelinfo->nblk_y / 8) - 1); surf->db_depth_slice = S_02805C_SLICE_TILE_MAX((levelinfo->nblk_x * levelinfo->nblk_y) / 64 - 1); if (si_htile_enabled(tex, level)) { z_info |= S_028040_TILE_SURFACE_ENABLE(1) | S_028040_ALLOW_EXPCLEAR(1); if (tex->surface.has_stencil) { /* Workaround: For a not yet understood reason, the * combination of MSAA, fast stencil clear and stencil * decompress messes with subsequent stencil buffer * uses. Problem was reproduced on Verde, Bonaire, * Tonga, and Carrizo. * * Disabling EXPCLEAR works around the problem. * * Check piglit's arb_texture_multisample-stencil-clear * test if you want to try changing this. */ if (tex->buffer.b.b.nr_samples <= 1) s_info |= S_028044_ALLOW_EXPCLEAR(1); } else if (!tex->tc_compatible_htile) { /* Use all of the htile_buffer for depth if there's no stencil. * This must not be set when TC-compatible HTILE is enabled * due to a hw bug. */ s_info |= S_028044_TILE_STENCIL_DISABLE(1); } surf->db_htile_data_base = (tex->buffer.gpu_address + tex->htile_offset) >> 8; surf->db_htile_surface = S_028ABC_FULL_CACHE(1); if (tex->tc_compatible_htile) { surf->db_htile_surface |= S_028ABC_TC_COMPATIBLE(1); /* 0 = full compression. N = only compress up to N-1 Z planes. */ if (tex->buffer.b.b.nr_samples <= 1) z_info |= S_028040_DECOMPRESS_ON_N_ZPLANES(5); else if (tex->buffer.b.b.nr_samples <= 4) z_info |= S_028040_DECOMPRESS_ON_N_ZPLANES(3); else z_info |= S_028040_DECOMPRESS_ON_N_ZPLANES(2); } } } surf->db_z_info = z_info; surf->db_stencil_info = s_info; surf->depth_initialized = true; } void si_update_fb_dirtiness_after_rendering(struct si_context *sctx) { if (sctx->decompression_enabled) return; if (sctx->framebuffer.state.zsbuf) { struct pipe_surface *surf = sctx->framebuffer.state.zsbuf; struct si_texture *tex = (struct si_texture *)surf->texture; tex->dirty_level_mask |= 1 << surf->u.tex.level; if (tex->surface.has_stencil) tex->stencil_dirty_level_mask |= 1 << surf->u.tex.level; } unsigned compressed_cb_mask = sctx->framebuffer.compressed_cb_mask; while (compressed_cb_mask) { unsigned i = u_bit_scan(&compressed_cb_mask); struct pipe_surface *surf = sctx->framebuffer.state.cbufs[i]; struct si_texture *tex = (struct si_texture*)surf->texture; if (tex->surface.fmask_size) tex->dirty_level_mask |= 1 << surf->u.tex.level; if (tex->dcc_gather_statistics) tex->separate_dcc_dirty = true; } } static void si_dec_framebuffer_counters(const struct pipe_framebuffer_state *state) { for (int i = 0; i < state->nr_cbufs; ++i) { struct si_surface *surf = NULL; struct si_texture *tex; if (!state->cbufs[i]) continue; surf = (struct si_surface*)state->cbufs[i]; tex = (struct si_texture*)surf->base.texture; p_atomic_dec(&tex->framebuffers_bound); } } static void si_set_framebuffer_state(struct pipe_context *ctx, const struct pipe_framebuffer_state *state) { struct si_context *sctx = (struct si_context *)ctx; struct si_surface *surf = NULL; struct si_texture *tex; bool old_any_dst_linear = sctx->framebuffer.any_dst_linear; unsigned old_nr_samples = sctx->framebuffer.nr_samples; unsigned old_colorbuf_enabled_4bit = sctx->framebuffer.colorbuf_enabled_4bit; bool old_has_zsbuf = !!sctx->framebuffer.state.zsbuf; bool old_has_stencil = old_has_zsbuf && ((struct si_texture*)sctx->framebuffer.state.zsbuf->texture)->surface.has_stencil; bool unbound = false; int i; /* Reject zero-sized framebuffers due to a hw bug on SI that occurs * when PA_SU_HARDWARE_SCREEN_OFFSET != 0 and any_scissor.BR_X/Y <= 0. * We could implement the full workaround here, but it's a useless case. */ if ((!state->width || !state->height) && (state->nr_cbufs || state->zsbuf)) { unreachable("the framebuffer shouldn't have zero area"); return; } si_update_fb_dirtiness_after_rendering(sctx); for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) { if (!sctx->framebuffer.state.cbufs[i]) continue; tex = (struct si_texture*)sctx->framebuffer.state.cbufs[i]->texture; if (tex->dcc_gather_statistics) vi_separate_dcc_stop_query(sctx, tex); } /* Disable DCC if the formats are incompatible. */ for (i = 0; i < state->nr_cbufs; i++) { if (!state->cbufs[i]) continue; surf = (struct si_surface*)state->cbufs[i]; tex = (struct si_texture*)surf->base.texture; if (!surf->dcc_incompatible) continue; /* Since the DCC decompression calls back into set_framebuffer- * _state, we need to unbind the framebuffer, so that * vi_separate_dcc_stop_query isn't called twice with the same * color buffer. */ if (!unbound) { util_copy_framebuffer_state(&sctx->framebuffer.state, NULL); unbound = true; } if (vi_dcc_enabled(tex, surf->base.u.tex.level)) if (!si_texture_disable_dcc(sctx, tex)) si_decompress_dcc(sctx, tex); surf->dcc_incompatible = false; } /* Only flush TC when changing the framebuffer state, because * the only client not using TC that can change textures is * the framebuffer. * * Wait for compute shaders because of possible transitions: * - FB write -> shader read * - shader write -> FB read * * DB caches are flushed on demand (using si_decompress_textures). * * When MSAA is enabled, CB and TC caches are flushed on demand * (after FMASK decompression). Shader write -> FB read transitions * cannot happen for MSAA textures, because MSAA shader images are * not supported. * * Only flush and wait for CB if there is actually a bound color buffer. */ if (sctx->framebuffer.uncompressed_cb_mask) { si_make_CB_shader_coherent(sctx, sctx->framebuffer.nr_samples, sctx->framebuffer.CB_has_shader_readable_metadata, sctx->framebuffer.all_DCC_pipe_aligned); } sctx->flags |= SI_CONTEXT_CS_PARTIAL_FLUSH; /* u_blitter doesn't invoke depth decompression when it does multiple * blits in a row, but the only case when it matters for DB is when * doing generate_mipmap. So here we flush DB manually between * individual generate_mipmap blits. * Note that lower mipmap levels aren't compressed. */ if (sctx->generate_mipmap_for_depth) { si_make_DB_shader_coherent(sctx, 1, false, sctx->framebuffer.DB_has_shader_readable_metadata); } else if (sctx->chip_class == GFX9) { /* It appears that DB metadata "leaks" in a sequence of: * - depth clear * - DCC decompress for shader image writes (with DB disabled) * - render with DEPTH_BEFORE_SHADER=1 * Flushing DB metadata works around the problem. */ sctx->flags |= SI_CONTEXT_FLUSH_AND_INV_DB_META; } /* Take the maximum of the old and new count. If the new count is lower, * dirtying is needed to disable the unbound colorbuffers. */ sctx->framebuffer.dirty_cbufs |= (1 << MAX2(sctx->framebuffer.state.nr_cbufs, state->nr_cbufs)) - 1; sctx->framebuffer.dirty_zsbuf |= sctx->framebuffer.state.zsbuf != state->zsbuf; si_dec_framebuffer_counters(&sctx->framebuffer.state); util_copy_framebuffer_state(&sctx->framebuffer.state, state); sctx->framebuffer.colorbuf_enabled_4bit = 0; sctx->framebuffer.spi_shader_col_format = 0; sctx->framebuffer.spi_shader_col_format_alpha = 0; sctx->framebuffer.spi_shader_col_format_blend = 0; sctx->framebuffer.spi_shader_col_format_blend_alpha = 0; sctx->framebuffer.color_is_int8 = 0; sctx->framebuffer.color_is_int10 = 0; sctx->framebuffer.compressed_cb_mask = 0; sctx->framebuffer.uncompressed_cb_mask = 0; sctx->framebuffer.nr_samples = util_framebuffer_get_num_samples(state); sctx->framebuffer.nr_color_samples = sctx->framebuffer.nr_samples; sctx->framebuffer.log_samples = util_logbase2(sctx->framebuffer.nr_samples); sctx->framebuffer.any_dst_linear = false; sctx->framebuffer.CB_has_shader_readable_metadata = false; sctx->framebuffer.DB_has_shader_readable_metadata = false; sctx->framebuffer.all_DCC_pipe_aligned = true; unsigned num_bpp64_colorbufs = 0; for (i = 0; i < state->nr_cbufs; i++) { if (!state->cbufs[i]) continue; surf = (struct si_surface*)state->cbufs[i]; tex = (struct si_texture*)surf->base.texture; if (!surf->color_initialized) { si_initialize_color_surface(sctx, surf); } sctx->framebuffer.colorbuf_enabled_4bit |= 0xf << (i * 4); sctx->framebuffer.spi_shader_col_format |= surf->spi_shader_col_format << (i * 4); sctx->framebuffer.spi_shader_col_format_alpha |= surf->spi_shader_col_format_alpha << (i * 4); sctx->framebuffer.spi_shader_col_format_blend |= surf->spi_shader_col_format_blend << (i * 4); sctx->framebuffer.spi_shader_col_format_blend_alpha |= surf->spi_shader_col_format_blend_alpha << (i * 4); if (surf->color_is_int8) sctx->framebuffer.color_is_int8 |= 1 << i; if (surf->color_is_int10) sctx->framebuffer.color_is_int10 |= 1 << i; if (tex->surface.fmask_size) sctx->framebuffer.compressed_cb_mask |= 1 << i; else sctx->framebuffer.uncompressed_cb_mask |= 1 << i; /* Don't update nr_color_samples for non-AA buffers. * (e.g. destination of MSAA resolve) */ if (tex->buffer.b.b.nr_samples >= 2 && tex->buffer.b.b.nr_storage_samples < tex->buffer.b.b.nr_samples) { sctx->framebuffer.nr_color_samples = MIN2(sctx->framebuffer.nr_color_samples, tex->buffer.b.b.nr_storage_samples); sctx->framebuffer.nr_color_samples = MAX2(1, sctx->framebuffer.nr_color_samples); } if (tex->surface.is_linear) sctx->framebuffer.any_dst_linear = true; if (tex->surface.bpe >= 8) num_bpp64_colorbufs++; if (vi_dcc_enabled(tex, surf->base.u.tex.level)) { sctx->framebuffer.CB_has_shader_readable_metadata = true; if (sctx->chip_class >= GFX9 && !tex->surface.u.gfx9.dcc.pipe_aligned) sctx->framebuffer.all_DCC_pipe_aligned = false; } si_context_add_resource_size(sctx, surf->base.texture); p_atomic_inc(&tex->framebuffers_bound); if (tex->dcc_gather_statistics) { /* Dirty tracking must be enabled for DCC usage analysis. */ sctx->framebuffer.compressed_cb_mask |= 1 << i; vi_separate_dcc_start_query(sctx, tex); } } /* For optimal DCC performance. */ if (sctx->chip_class == VI) sctx->framebuffer.dcc_overwrite_combiner_watermark = 4; else if (num_bpp64_colorbufs >= 5) sctx->framebuffer.dcc_overwrite_combiner_watermark = 8; else sctx->framebuffer.dcc_overwrite_combiner_watermark = 6; struct si_texture *zstex = NULL; if (state->zsbuf) { surf = (struct si_surface*)state->zsbuf; zstex = (struct si_texture*)surf->base.texture; if (!surf->depth_initialized) { si_init_depth_surface(sctx, surf); } if (vi_tc_compat_htile_enabled(zstex, surf->base.u.tex.level)) sctx->framebuffer.DB_has_shader_readable_metadata = true; si_context_add_resource_size(sctx, surf->base.texture); } si_update_ps_colorbuf0_slot(sctx); si_update_poly_offset_state(sctx); si_mark_atom_dirty(sctx, &sctx->atoms.s.cb_render_state); si_mark_atom_dirty(sctx, &sctx->atoms.s.framebuffer); if (sctx->screen->dpbb_allowed) si_mark_atom_dirty(sctx, &sctx->atoms.s.dpbb_state); if (sctx->framebuffer.any_dst_linear != old_any_dst_linear) si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config); if (sctx->screen->has_out_of_order_rast && (sctx->framebuffer.colorbuf_enabled_4bit != old_colorbuf_enabled_4bit || !!sctx->framebuffer.state.zsbuf != old_has_zsbuf || (zstex && zstex->surface.has_stencil != old_has_stencil))) si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config); if (sctx->framebuffer.nr_samples != old_nr_samples) { struct pipe_constant_buffer constbuf = {0}; si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config); si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state); constbuf.buffer = sctx->sample_pos_buffer; /* Set sample locations as fragment shader constants. */ switch (sctx->framebuffer.nr_samples) { case 1: constbuf.buffer_offset = 0; break; case 2: constbuf.buffer_offset = (ubyte*)sctx->sample_positions.x2 - (ubyte*)sctx->sample_positions.x1; break; case 4: constbuf.buffer_offset = (ubyte*)sctx->sample_positions.x4 - (ubyte*)sctx->sample_positions.x1; break; case 8: constbuf.buffer_offset = (ubyte*)sctx->sample_positions.x8 - (ubyte*)sctx->sample_positions.x1; break; case 16: constbuf.buffer_offset = (ubyte*)sctx->sample_positions.x16 - (ubyte*)sctx->sample_positions.x1; break; default: PRINT_ERR("Requested an invalid number of samples %i.\n", sctx->framebuffer.nr_samples); assert(0); } constbuf.buffer_size = sctx->framebuffer.nr_samples * 2 * 4; si_set_rw_buffer(sctx, SI_PS_CONST_SAMPLE_POSITIONS, &constbuf); si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_sample_locs); } sctx->do_update_shaders = true; if (!sctx->decompression_enabled) { /* Prevent textures decompression when the framebuffer state * changes come from the decompression passes themselves. */ sctx->need_check_render_feedback = true; } } static void si_emit_framebuffer_state(struct si_context *sctx) { struct radeon_cmdbuf *cs = sctx->gfx_cs; struct pipe_framebuffer_state *state = &sctx->framebuffer.state; unsigned i, nr_cbufs = state->nr_cbufs; struct si_texture *tex = NULL; struct si_surface *cb = NULL; unsigned cb_color_info = 0; /* Colorbuffers. */ for (i = 0; i < nr_cbufs; i++) { uint64_t cb_color_base, cb_color_fmask, cb_color_cmask, cb_dcc_base; unsigned cb_color_attrib; if (!(sctx->framebuffer.dirty_cbufs & (1 << i))) continue; cb = (struct si_surface*)state->cbufs[i]; if (!cb) { radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + i * 0x3C, S_028C70_FORMAT(V_028C70_COLOR_INVALID)); continue; } tex = (struct si_texture *)cb->base.texture; radeon_add_to_buffer_list(sctx, sctx->gfx_cs, &tex->buffer, RADEON_USAGE_READWRITE, tex->buffer.b.b.nr_samples > 1 ? RADEON_PRIO_COLOR_BUFFER_MSAA : RADEON_PRIO_COLOR_BUFFER); if (tex->cmask_buffer && tex->cmask_buffer != &tex->buffer) { radeon_add_to_buffer_list(sctx, sctx->gfx_cs, tex->cmask_buffer, RADEON_USAGE_READWRITE, RADEON_PRIO_SEPARATE_META); } if (tex->dcc_separate_buffer) radeon_add_to_buffer_list(sctx, sctx->gfx_cs, tex->dcc_separate_buffer, RADEON_USAGE_READWRITE, RADEON_PRIO_SEPARATE_META); /* Compute mutable surface parameters. */ cb_color_base = tex->buffer.gpu_address >> 8; cb_color_fmask = 0; cb_color_cmask = tex->cmask_base_address_reg; cb_dcc_base = 0; cb_color_info = cb->cb_color_info | tex->cb_color_info; cb_color_attrib = cb->cb_color_attrib; if (cb->base.u.tex.level > 0) cb_color_info &= C_028C70_FAST_CLEAR; if (tex->surface.fmask_size) { cb_color_fmask = (tex->buffer.gpu_address + tex->fmask_offset) >> 8; cb_color_fmask |= tex->surface.fmask_tile_swizzle; } /* Set up DCC. */ if (vi_dcc_enabled(tex, cb->base.u.tex.level)) { bool is_msaa_resolve_dst = state->cbufs[0] && state->cbufs[0]->texture->nr_samples > 1 && state->cbufs[1] == &cb->base && state->cbufs[1]->texture->nr_samples <= 1; if (!is_msaa_resolve_dst) cb_color_info |= S_028C70_DCC_ENABLE(1); cb_dcc_base = ((!tex->dcc_separate_buffer ? tex->buffer.gpu_address : 0) + tex->dcc_offset) >> 8; cb_dcc_base |= tex->surface.tile_swizzle; } if (sctx->chip_class >= GFX9) { struct gfx9_surf_meta_flags meta; if (tex->dcc_offset) meta = tex->surface.u.gfx9.dcc; else meta = tex->surface.u.gfx9.cmask; /* Set mutable surface parameters. */ cb_color_base += tex->surface.u.gfx9.surf_offset >> 8; cb_color_base |= tex->surface.tile_swizzle; if (!tex->surface.fmask_size) cb_color_fmask = cb_color_base; if (cb->base.u.tex.level > 0) cb_color_cmask = cb_color_base; cb_color_attrib |= S_028C74_COLOR_SW_MODE(tex->surface.u.gfx9.surf.swizzle_mode) | S_028C74_FMASK_SW_MODE(tex->surface.u.gfx9.fmask.swizzle_mode) | S_028C74_RB_ALIGNED(meta.rb_aligned) | S_028C74_PIPE_ALIGNED(meta.pipe_aligned); radeon_set_context_reg_seq(cs, R_028C60_CB_COLOR0_BASE + i * 0x3C, 15); radeon_emit(cs, cb_color_base); /* CB_COLOR0_BASE */ radeon_emit(cs, S_028C64_BASE_256B(cb_color_base >> 32)); /* CB_COLOR0_BASE_EXT */ radeon_emit(cs, cb->cb_color_attrib2); /* CB_COLOR0_ATTRIB2 */ radeon_emit(cs, cb->cb_color_view); /* CB_COLOR0_VIEW */ radeon_emit(cs, cb_color_info); /* CB_COLOR0_INFO */ radeon_emit(cs, cb_color_attrib); /* CB_COLOR0_ATTRIB */ radeon_emit(cs, cb->cb_dcc_control); /* CB_COLOR0_DCC_CONTROL */ radeon_emit(cs, cb_color_cmask); /* CB_COLOR0_CMASK */ radeon_emit(cs, S_028C80_BASE_256B(cb_color_cmask >> 32)); /* CB_COLOR0_CMASK_BASE_EXT */ radeon_emit(cs, cb_color_fmask); /* CB_COLOR0_FMASK */ radeon_emit(cs, S_028C88_BASE_256B(cb_color_fmask >> 32)); /* CB_COLOR0_FMASK_BASE_EXT */ radeon_emit(cs, tex->color_clear_value[0]); /* CB_COLOR0_CLEAR_WORD0 */ radeon_emit(cs, tex->color_clear_value[1]); /* CB_COLOR0_CLEAR_WORD1 */ radeon_emit(cs, cb_dcc_base); /* CB_COLOR0_DCC_BASE */ radeon_emit(cs, S_028C98_BASE_256B(cb_dcc_base >> 32)); /* CB_COLOR0_DCC_BASE_EXT */ radeon_set_context_reg(cs, R_0287A0_CB_MRT0_EPITCH + i * 4, S_0287A0_EPITCH(tex->surface.u.gfx9.surf.epitch)); } else { /* Compute mutable surface parameters (SI-CI-VI). */ const struct legacy_surf_level *level_info = &tex->surface.u.legacy.level[cb->base.u.tex.level]; unsigned pitch_tile_max, slice_tile_max, tile_mode_index; unsigned cb_color_pitch, cb_color_slice, cb_color_fmask_slice; cb_color_base += level_info->offset >> 8; /* Only macrotiled modes can set tile swizzle. */ if (level_info->mode == RADEON_SURF_MODE_2D) cb_color_base |= tex->surface.tile_swizzle; if (!tex->surface.fmask_size) cb_color_fmask = cb_color_base; if (cb->base.u.tex.level > 0) cb_color_cmask = cb_color_base; if (cb_dcc_base) cb_dcc_base += level_info->dcc_offset >> 8; pitch_tile_max = level_info->nblk_x / 8 - 1; slice_tile_max = level_info->nblk_x * level_info->nblk_y / 64 - 1; tile_mode_index = si_tile_mode_index(tex, cb->base.u.tex.level, false); cb_color_attrib |= S_028C74_TILE_MODE_INDEX(tile_mode_index); cb_color_pitch = S_028C64_TILE_MAX(pitch_tile_max); cb_color_slice = S_028C68_TILE_MAX(slice_tile_max); if (tex->surface.fmask_size) { if (sctx->chip_class >= CIK) cb_color_pitch |= S_028C64_FMASK_TILE_MAX(tex->surface.u.legacy.fmask.pitch_in_pixels / 8 - 1); cb_color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(tex->surface.u.legacy.fmask.tiling_index); cb_color_fmask_slice = S_028C88_TILE_MAX(tex->surface.u.legacy.fmask.slice_tile_max); } else { /* This must be set for fast clear to work without FMASK. */ if (sctx->chip_class >= CIK) cb_color_pitch |= S_028C64_FMASK_TILE_MAX(pitch_tile_max); cb_color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(tile_mode_index); cb_color_fmask_slice = S_028C88_TILE_MAX(slice_tile_max); } radeon_set_context_reg_seq(cs, R_028C60_CB_COLOR0_BASE + i * 0x3C, sctx->chip_class >= VI ? 14 : 13); radeon_emit(cs, cb_color_base); /* CB_COLOR0_BASE */ radeon_emit(cs, cb_color_pitch); /* CB_COLOR0_PITCH */ radeon_emit(cs, cb_color_slice); /* CB_COLOR0_SLICE */ radeon_emit(cs, cb->cb_color_view); /* CB_COLOR0_VIEW */ radeon_emit(cs, cb_color_info); /* CB_COLOR0_INFO */ radeon_emit(cs, cb_color_attrib); /* CB_COLOR0_ATTRIB */ radeon_emit(cs, cb->cb_dcc_control); /* CB_COLOR0_DCC_CONTROL */ radeon_emit(cs, cb_color_cmask); /* CB_COLOR0_CMASK */ radeon_emit(cs, tex->surface.u.legacy.cmask_slice_tile_max); /* CB_COLOR0_CMASK_SLICE */ radeon_emit(cs, cb_color_fmask); /* CB_COLOR0_FMASK */ radeon_emit(cs, cb_color_fmask_slice); /* CB_COLOR0_FMASK_SLICE */ radeon_emit(cs, tex->color_clear_value[0]); /* CB_COLOR0_CLEAR_WORD0 */ radeon_emit(cs, tex->color_clear_value[1]); /* CB_COLOR0_CLEAR_WORD1 */ if (sctx->chip_class >= VI) /* R_028C94_CB_COLOR0_DCC_BASE */ radeon_emit(cs, cb_dcc_base); } } for (; i < 8 ; i++) if (sctx->framebuffer.dirty_cbufs & (1 << i)) radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + i * 0x3C, 0); /* ZS buffer. */ if (state->zsbuf && sctx->framebuffer.dirty_zsbuf) { struct si_surface *zb = (struct si_surface*)state->zsbuf; struct si_texture *tex = (struct si_texture*)zb->base.texture; radeon_add_to_buffer_list(sctx, sctx->gfx_cs, &tex->buffer, RADEON_USAGE_READWRITE, zb->base.texture->nr_samples > 1 ? RADEON_PRIO_DEPTH_BUFFER_MSAA : RADEON_PRIO_DEPTH_BUFFER); if (sctx->chip_class >= GFX9) { radeon_set_context_reg_seq(cs, R_028014_DB_HTILE_DATA_BASE, 3); radeon_emit(cs, zb->db_htile_data_base); /* DB_HTILE_DATA_BASE */ radeon_emit(cs, S_028018_BASE_HI(zb->db_htile_data_base >> 32)); /* DB_HTILE_DATA_BASE_HI */ radeon_emit(cs, zb->db_depth_size); /* DB_DEPTH_SIZE */ radeon_set_context_reg_seq(cs, R_028038_DB_Z_INFO, 10); radeon_emit(cs, zb->db_z_info | /* DB_Z_INFO */ S_028038_ZRANGE_PRECISION(tex->depth_clear_value != 0)); radeon_emit(cs, zb->db_stencil_info); /* DB_STENCIL_INFO */ radeon_emit(cs, zb->db_depth_base); /* DB_Z_READ_BASE */ radeon_emit(cs, S_028044_BASE_HI(zb->db_depth_base >> 32)); /* DB_Z_READ_BASE_HI */ radeon_emit(cs, zb->db_stencil_base); /* DB_STENCIL_READ_BASE */ radeon_emit(cs, S_02804C_BASE_HI(zb->db_stencil_base >> 32)); /* DB_STENCIL_READ_BASE_HI */ radeon_emit(cs, zb->db_depth_base); /* DB_Z_WRITE_BASE */ radeon_emit(cs, S_028054_BASE_HI(zb->db_depth_base >> 32)); /* DB_Z_WRITE_BASE_HI */ radeon_emit(cs, zb->db_stencil_base); /* DB_STENCIL_WRITE_BASE */ radeon_emit(cs, S_02805C_BASE_HI(zb->db_stencil_base >> 32)); /* DB_STENCIL_WRITE_BASE_HI */ radeon_set_context_reg_seq(cs, R_028068_DB_Z_INFO2, 2); radeon_emit(cs, zb->db_z_info2); /* DB_Z_INFO2 */ radeon_emit(cs, zb->db_stencil_info2); /* DB_STENCIL_INFO2 */ } else { radeon_set_context_reg(cs, R_028014_DB_HTILE_DATA_BASE, zb->db_htile_data_base); radeon_set_context_reg_seq(cs, R_02803C_DB_DEPTH_INFO, 9); radeon_emit(cs, zb->db_depth_info); /* DB_DEPTH_INFO */ radeon_emit(cs, zb->db_z_info | /* DB_Z_INFO */ S_028040_ZRANGE_PRECISION(tex->depth_clear_value != 0)); radeon_emit(cs, zb->db_stencil_info); /* DB_STENCIL_INFO */ radeon_emit(cs, zb->db_depth_base); /* DB_Z_READ_BASE */ radeon_emit(cs, zb->db_stencil_base); /* DB_STENCIL_READ_BASE */ radeon_emit(cs, zb->db_depth_base); /* DB_Z_WRITE_BASE */ radeon_emit(cs, zb->db_stencil_base); /* DB_STENCIL_WRITE_BASE */ radeon_emit(cs, zb->db_depth_size); /* DB_DEPTH_SIZE */ radeon_emit(cs, zb->db_depth_slice); /* DB_DEPTH_SLICE */ } radeon_set_context_reg_seq(cs, R_028028_DB_STENCIL_CLEAR, 2); radeon_emit(cs, tex->stencil_clear_value); /* R_028028_DB_STENCIL_CLEAR */ radeon_emit(cs, fui(tex->depth_clear_value)); /* R_02802C_DB_DEPTH_CLEAR */ radeon_set_context_reg(cs, R_028008_DB_DEPTH_VIEW, zb->db_depth_view); radeon_set_context_reg(cs, R_028ABC_DB_HTILE_SURFACE, zb->db_htile_surface); } else if (sctx->framebuffer.dirty_zsbuf) { if (sctx->chip_class >= GFX9) radeon_set_context_reg_seq(cs, R_028038_DB_Z_INFO, 2); else radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 2); radeon_emit(cs, S_028040_FORMAT(V_028040_Z_INVALID)); /* DB_Z_INFO */ radeon_emit(cs, S_028044_FORMAT(V_028044_STENCIL_INVALID)); /* DB_STENCIL_INFO */ } /* Framebuffer dimensions. */ /* PA_SC_WINDOW_SCISSOR_TL is set in si_init_config() */ radeon_set_context_reg(cs, R_028208_PA_SC_WINDOW_SCISSOR_BR, S_028208_BR_X(state->width) | S_028208_BR_Y(state->height)); if (sctx->screen->dfsm_allowed) { radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_BREAK_BATCH) | EVENT_INDEX(0)); } sctx->framebuffer.dirty_cbufs = 0; sctx->framebuffer.dirty_zsbuf = false; } static void si_emit_msaa_sample_locs(struct si_context *sctx) { struct radeon_cmdbuf *cs = sctx->gfx_cs; struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; unsigned nr_samples = sctx->framebuffer.nr_samples; bool has_msaa_sample_loc_bug = sctx->screen->has_msaa_sample_loc_bug; /* Smoothing (only possible with nr_samples == 1) uses the same * sample locations as the MSAA it simulates. */ if (nr_samples <= 1 && sctx->smoothing_enabled) nr_samples = SI_NUM_SMOOTH_AA_SAMPLES; /* On Polaris, the small primitive filter uses the sample locations * even when MSAA is off, so we need to make sure they're set to 0. */ if ((nr_samples >= 2 || has_msaa_sample_loc_bug) && nr_samples != sctx->sample_locs_num_samples) { sctx->sample_locs_num_samples = nr_samples; si_emit_sample_locations(cs, nr_samples); } if (sctx->family >= CHIP_POLARIS10) { unsigned small_prim_filter_cntl = S_028830_SMALL_PRIM_FILTER_ENABLE(1) | /* line bug */ S_028830_LINE_FILTER_DISABLE(sctx->family <= CHIP_POLARIS12); /* The alternative of setting sample locations to 0 would * require a DB flush to avoid Z errors, see * https://bugs.freedesktop.org/show_bug.cgi?id=96908 */ if (has_msaa_sample_loc_bug && sctx->framebuffer.nr_samples > 1 && !rs->multisample_enable) small_prim_filter_cntl &= C_028830_SMALL_PRIM_FILTER_ENABLE; radeon_opt_set_context_reg(sctx, R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL, SI_TRACKED_PA_SU_SMALL_PRIM_FILTER_CNTL, small_prim_filter_cntl); } /* The exclusion bits can be set to improve rasterization efficiency * if no sample lies on the pixel boundary (-8 sample offset). */ bool exclusion = sctx->chip_class >= CIK && (!rs->multisample_enable || nr_samples != 16); radeon_opt_set_context_reg(sctx, R_02882C_PA_SU_PRIM_FILTER_CNTL, SI_TRACKED_PA_SU_PRIM_FILTER_CNTL, S_02882C_XMAX_RIGHT_EXCLUSION(exclusion) | S_02882C_YMAX_BOTTOM_EXCLUSION(exclusion)); } static bool si_out_of_order_rasterization(struct si_context *sctx) { struct si_state_blend *blend = sctx->queued.named.blend; struct si_state_dsa *dsa = sctx->queued.named.dsa; if (!sctx->screen->has_out_of_order_rast) return false; unsigned colormask = sctx->framebuffer.colorbuf_enabled_4bit; if (blend) { colormask &= blend->cb_target_enabled_4bit; } else { colormask = 0; } /* Conservative: No logic op. */ if (colormask && blend->logicop_enable) return false; struct si_dsa_order_invariance dsa_order_invariant = { .zs = true, .pass_set = true, .pass_last = false }; if (sctx->framebuffer.state.zsbuf) { struct si_texture *zstex = (struct si_texture*)sctx->framebuffer.state.zsbuf->texture; bool has_stencil = zstex->surface.has_stencil; dsa_order_invariant = dsa->order_invariance[has_stencil]; if (!dsa_order_invariant.zs) return false; /* The set of PS invocations is always order invariant, * except when early Z/S tests are requested. */ if (sctx->ps_shader.cso && sctx->ps_shader.cso->info.writes_memory && sctx->ps_shader.cso->info.properties[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL] && !dsa_order_invariant.pass_set) return false; if (sctx->num_perfect_occlusion_queries != 0 && !dsa_order_invariant.pass_set) return false; } if (!colormask) return true; unsigned blendmask = colormask & blend->blend_enable_4bit; if (blendmask) { /* Only commutative blending. */ if (blendmask & ~blend->commutative_4bit) return false; if (!dsa_order_invariant.pass_set) return false; } if (colormask & ~blendmask) { if (!dsa_order_invariant.pass_last) return false; } return true; } static void si_emit_msaa_config(struct si_context *sctx) { struct radeon_cmdbuf *cs = sctx->gfx_cs; unsigned num_tile_pipes = sctx->screen->info.num_tile_pipes; /* 33% faster rendering to linear color buffers */ bool dst_is_linear = sctx->framebuffer.any_dst_linear; bool out_of_order_rast = si_out_of_order_rasterization(sctx); unsigned sc_mode_cntl_1 = S_028A4C_WALK_SIZE(dst_is_linear) | S_028A4C_WALK_FENCE_ENABLE(!dst_is_linear) | S_028A4C_WALK_FENCE_SIZE(num_tile_pipes == 2 ? 2 : 3) | S_028A4C_OUT_OF_ORDER_PRIMITIVE_ENABLE(out_of_order_rast) | S_028A4C_OUT_OF_ORDER_WATER_MARK(0x7) | /* always 1: */ S_028A4C_WALK_ALIGN8_PRIM_FITS_ST(1) | S_028A4C_SUPERTILE_WALK_ORDER_ENABLE(1) | S_028A4C_TILE_WALK_ORDER_ENABLE(1) | S_028A4C_MULTI_SHADER_ENGINE_PRIM_DISCARD_ENABLE(1) | S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) | S_028A4C_FORCE_EOV_REZ_ENABLE(1); unsigned db_eqaa = S_028804_HIGH_QUALITY_INTERSECTIONS(1) | S_028804_INCOHERENT_EQAA_READS(1) | S_028804_INTERPOLATE_COMP_Z(1) | S_028804_STATIC_ANCHOR_ASSOCIATIONS(1); unsigned coverage_samples, color_samples, z_samples; /* S: Coverage samples (up to 16x): * - Scan conversion samples (PA_SC_AA_CONFIG.MSAA_NUM_SAMPLES) * - CB FMASK samples (CB_COLORi_ATTRIB.NUM_SAMPLES) * * Z: Z/S samples (up to 8x, must be <= coverage samples and >= color samples): * - Value seen by DB (DB_Z_INFO.NUM_SAMPLES) * - Value seen by CB, must be correct even if Z/S is unbound (DB_EQAA.MAX_ANCHOR_SAMPLES) * # Missing samples are derived from Z planes if Z is compressed (up to 16x quality), or * # from the closest defined sample if Z is uncompressed (same quality as the number of * # Z samples). * * F: Color samples (up to 8x, must be <= coverage samples): * - CB color samples (CB_COLORi_ATTRIB.NUM_FRAGMENTS) * - PS iter samples (DB_EQAA.PS_ITER_SAMPLES) * * Can be anything between coverage and color samples: * - SampleMaskIn samples (PA_SC_AA_CONFIG.MSAA_EXPOSED_SAMPLES) * - SampleMaskOut samples (DB_EQAA.MASK_EXPORT_NUM_SAMPLES) * - Alpha-to-coverage samples (DB_EQAA.ALPHA_TO_MASK_NUM_SAMPLES) * - Occlusion query samples (DB_COUNT_CONTROL.SAMPLE_RATE) * # All are currently set the same as coverage samples. * * If color samples < coverage samples, FMASK has a higher bpp to store an "unknown" * flag for undefined color samples. A shader-based resolve must handle unknowns * or mask them out with AND. Unknowns can also be guessed from neighbors via * an edge-detect shader-based resolve, which is required to make "color samples = 1" * useful. The CB resolve always drops unknowns. * * Sensible AA configurations: * EQAA 16s 8z 8f - might look the same as 16x MSAA if Z is compressed * EQAA 16s 8z 4f - might look the same as 16x MSAA if Z is compressed * EQAA 16s 4z 4f - might look the same as 16x MSAA if Z is compressed * EQAA 8s 8z 8f = 8x MSAA * EQAA 8s 8z 4f - might look the same as 8x MSAA * EQAA 8s 8z 2f - might look the same as 8x MSAA with low-density geometry * EQAA 8s 4z 4f - might look the same as 8x MSAA if Z is compressed * EQAA 8s 4z 2f - might look the same as 8x MSAA with low-density geometry if Z is compressed * EQAA 4s 4z 4f = 4x MSAA * EQAA 4s 4z 2f - might look the same as 4x MSAA with low-density geometry * EQAA 2s 2z 2f = 2x MSAA */ if (sctx->framebuffer.nr_samples > 1) { coverage_samples = sctx->framebuffer.nr_samples; color_samples = sctx->framebuffer.nr_color_samples; if (sctx->framebuffer.state.zsbuf) { z_samples = sctx->framebuffer.state.zsbuf->texture->nr_samples; z_samples = MAX2(1, z_samples); } else { z_samples = coverage_samples; } } else if (sctx->smoothing_enabled) { coverage_samples = color_samples = z_samples = SI_NUM_SMOOTH_AA_SAMPLES; } else { coverage_samples = color_samples = z_samples = 1; } /* Required by OpenGL line rasterization. * * TODO: We should also enable perpendicular endcaps for AA lines, * but that requires implementing line stippling in the pixel * shader. SC can only do line stippling with axis-aligned * endcaps. */ unsigned sc_line_cntl = S_028BDC_DX10_DIAMOND_TEST_ENA(1); unsigned sc_aa_config = 0; if (coverage_samples > 1) { /* distance from the pixel center, indexed by log2(nr_samples) */ static unsigned max_dist[] = { 0, /* unused */ 4, /* 2x MSAA */ 6, /* 4x MSAA */ 7, /* 8x MSAA */ 8, /* 16x MSAA */ }; unsigned log_samples = util_logbase2(coverage_samples); unsigned log_z_samples = util_logbase2(z_samples); unsigned ps_iter_samples = si_get_ps_iter_samples(sctx); unsigned log_ps_iter_samples = util_logbase2(ps_iter_samples); sc_line_cntl |= S_028BDC_EXPAND_LINE_WIDTH(1); sc_aa_config = S_028BE0_MSAA_NUM_SAMPLES(log_samples) | S_028BE0_MAX_SAMPLE_DIST(max_dist[log_samples]) | S_028BE0_MSAA_EXPOSED_SAMPLES(log_samples); if (sctx->framebuffer.nr_samples > 1) { db_eqaa |= S_028804_MAX_ANCHOR_SAMPLES(log_z_samples) | S_028804_PS_ITER_SAMPLES(log_ps_iter_samples) | S_028804_MASK_EXPORT_NUM_SAMPLES(log_samples) | S_028804_ALPHA_TO_MASK_NUM_SAMPLES(log_samples); sc_mode_cntl_1 |= S_028A4C_PS_ITER_SAMPLE(ps_iter_samples > 1); } else if (sctx->smoothing_enabled) { db_eqaa |= S_028804_OVERRASTERIZATION_AMOUNT(log_samples); } } unsigned initial_cdw = cs->current.cdw; /* R_028BDC_PA_SC_LINE_CNTL, R_028BE0_PA_SC_AA_CONFIG */ radeon_opt_set_context_reg2(sctx, R_028BDC_PA_SC_LINE_CNTL, SI_TRACKED_PA_SC_LINE_CNTL, sc_line_cntl, sc_aa_config); /* R_028804_DB_EQAA */ radeon_opt_set_context_reg(sctx, R_028804_DB_EQAA, SI_TRACKED_DB_EQAA, db_eqaa); /* R_028A4C_PA_SC_MODE_CNTL_1 */ radeon_opt_set_context_reg(sctx, R_028A4C_PA_SC_MODE_CNTL_1, SI_TRACKED_PA_SC_MODE_CNTL_1, sc_mode_cntl_1); if (initial_cdw != cs->current.cdw) { sctx->context_roll_counter++; /* GFX9: Flush DFSM when the AA mode changes. */ if (sctx->screen->dfsm_allowed) { radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_DFSM) | EVENT_INDEX(0)); } } } void si_update_ps_iter_samples(struct si_context *sctx) { if (sctx->framebuffer.nr_samples > 1) si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config); if (sctx->screen->dpbb_allowed) si_mark_atom_dirty(sctx, &sctx->atoms.s.dpbb_state); } static void si_set_min_samples(struct pipe_context *ctx, unsigned min_samples) { struct si_context *sctx = (struct si_context *)ctx; /* The hardware can only do sample shading with 2^n samples. */ min_samples = util_next_power_of_two(min_samples); if (sctx->ps_iter_samples == min_samples) return; sctx->ps_iter_samples = min_samples; sctx->do_update_shaders = true; si_update_ps_iter_samples(sctx); } /* * Samplers */ /** * Build the sampler view descriptor for a buffer texture. * @param state 256-bit descriptor; only the high 128 bits are filled in */ void si_make_buffer_descriptor(struct si_screen *screen, struct si_resource *buf, enum pipe_format format, unsigned offset, unsigned size, uint32_t *state) { const struct util_format_description *desc; int first_non_void; unsigned stride; unsigned num_records; unsigned num_format, data_format; desc = util_format_description(format); first_non_void = util_format_get_first_non_void_channel(format); stride = desc->block.bits / 8; num_format = si_translate_buffer_numformat(&screen->b, desc, first_non_void); data_format = si_translate_buffer_dataformat(&screen->b, desc, first_non_void); num_records = size / stride; num_records = MIN2(num_records, (buf->b.b.width0 - offset) / stride); /* The NUM_RECORDS field has a different meaning depending on the chip, * instruction type, STRIDE, and SWIZZLE_ENABLE. * * SI-CIK: * - If STRIDE == 0, it's in byte units. * - If STRIDE != 0, it's in units of STRIDE, used with inst.IDXEN. * * VI: * - For SMEM and STRIDE == 0, it's in byte units. * - For SMEM and STRIDE != 0, it's in units of STRIDE. * - For VMEM and STRIDE == 0 or SWIZZLE_ENABLE == 0, it's in byte units. * - For VMEM and STRIDE != 0 and SWIZZLE_ENABLE == 1, it's in units of STRIDE. * NOTE: There is incompatibility between VMEM and SMEM opcodes due to SWIZZLE_- * ENABLE. The workaround is to set STRIDE = 0 if SWIZZLE_ENABLE == 0 when * using SMEM. This can be done in the shader by clearing STRIDE with s_and. * That way the same descriptor can be used by both SMEM and VMEM. * * GFX9: * - For SMEM and STRIDE == 0, it's in byte units. * - For SMEM and STRIDE != 0, it's in units of STRIDE. * - For VMEM and inst.IDXEN == 0 or STRIDE == 0, it's in byte units. * - For VMEM and inst.IDXEN == 1 and STRIDE != 0, it's in units of STRIDE. */ if (screen->info.chip_class >= GFX9 && HAVE_LLVM < 0x0800) /* When vindex == 0, LLVM < 8.0 sets IDXEN = 0, thus changing units * from STRIDE to bytes. This works around it by setting * NUM_RECORDS to at least the size of one element, so that * the first element is readable when IDXEN == 0. */ num_records = num_records ? MAX2(num_records, stride) : 0; else if (screen->info.chip_class == VI) num_records *= stride; state[4] = 0; state[5] = S_008F04_STRIDE(stride); state[6] = num_records; state[7] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) | S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) | S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) | S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) | S_008F0C_NUM_FORMAT(num_format) | S_008F0C_DATA_FORMAT(data_format); } static unsigned gfx9_border_color_swizzle(const unsigned char swizzle[4]) { unsigned bc_swizzle = V_008F20_BC_SWIZZLE_XYZW; if (swizzle[3] == PIPE_SWIZZLE_X) { /* For the pre-defined border color values (white, opaque * black, transparent black), the only thing that matters is * that the alpha channel winds up in the correct place * (because the RGB channels are all the same) so either of * these enumerations will work. */ if (swizzle[2] == PIPE_SWIZZLE_Y) bc_swizzle = V_008F20_BC_SWIZZLE_WZYX; else bc_swizzle = V_008F20_BC_SWIZZLE_WXYZ; } else if (swizzle[0] == PIPE_SWIZZLE_X) { if (swizzle[1] == PIPE_SWIZZLE_Y) bc_swizzle = V_008F20_BC_SWIZZLE_XYZW; else bc_swizzle = V_008F20_BC_SWIZZLE_XWYZ; } else if (swizzle[1] == PIPE_SWIZZLE_X) { bc_swizzle = V_008F20_BC_SWIZZLE_YXWZ; } else if (swizzle[2] == PIPE_SWIZZLE_X) { bc_swizzle = V_008F20_BC_SWIZZLE_ZYXW; } return bc_swizzle; } /** * Build the sampler view descriptor for a texture. */ void si_make_texture_descriptor(struct si_screen *screen, struct si_texture *tex, bool sampler, enum pipe_texture_target target, enum pipe_format pipe_format, const unsigned char state_swizzle[4], unsigned first_level, unsigned last_level, unsigned first_layer, unsigned last_layer, unsigned width, unsigned height, unsigned depth, uint32_t *state, uint32_t *fmask_state) { struct pipe_resource *res = &tex->buffer.b.b; const struct util_format_description *desc; unsigned char swizzle[4]; int first_non_void; unsigned num_format, data_format, type, num_samples; uint64_t va; desc = util_format_description(pipe_format); num_samples = desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS ? MAX2(1, res->nr_samples) : MAX2(1, res->nr_storage_samples); if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) { const unsigned char swizzle_xxxx[4] = {0, 0, 0, 0}; const unsigned char swizzle_yyyy[4] = {1, 1, 1, 1}; const unsigned char swizzle_wwww[4] = {3, 3, 3, 3}; switch (pipe_format) { case PIPE_FORMAT_S8_UINT_Z24_UNORM: case PIPE_FORMAT_X32_S8X24_UINT: case PIPE_FORMAT_X8Z24_UNORM: util_format_compose_swizzles(swizzle_yyyy, state_swizzle, swizzle); break; case PIPE_FORMAT_X24S8_UINT: /* * X24S8 is implemented as an 8_8_8_8 data format, to * fix texture gathers. This affects at least * GL45-CTS.texture_cube_map_array.sampling on VI. */ if (screen->info.chip_class <= VI) util_format_compose_swizzles(swizzle_wwww, state_swizzle, swizzle); else util_format_compose_swizzles(swizzle_yyyy, state_swizzle, swizzle); break; default: util_format_compose_swizzles(swizzle_xxxx, state_swizzle, swizzle); } } else { util_format_compose_swizzles(desc->swizzle, state_swizzle, swizzle); } first_non_void = util_format_get_first_non_void_channel(pipe_format); switch (pipe_format) { case PIPE_FORMAT_S8_UINT_Z24_UNORM: num_format = V_008F14_IMG_NUM_FORMAT_UNORM; break; default: if (first_non_void < 0) { if (util_format_is_compressed(pipe_format)) { switch (pipe_format) { case PIPE_FORMAT_DXT1_SRGB: case PIPE_FORMAT_DXT1_SRGBA: case PIPE_FORMAT_DXT3_SRGBA: case PIPE_FORMAT_DXT5_SRGBA: case PIPE_FORMAT_BPTC_SRGBA: case PIPE_FORMAT_ETC2_SRGB8: case PIPE_FORMAT_ETC2_SRGB8A1: case PIPE_FORMAT_ETC2_SRGBA8: num_format = V_008F14_IMG_NUM_FORMAT_SRGB; break; case PIPE_FORMAT_RGTC1_SNORM: case PIPE_FORMAT_LATC1_SNORM: case PIPE_FORMAT_RGTC2_SNORM: case PIPE_FORMAT_LATC2_SNORM: case PIPE_FORMAT_ETC2_R11_SNORM: case PIPE_FORMAT_ETC2_RG11_SNORM: /* implies float, so use SNORM/UNORM to determine whether data is signed or not */ case PIPE_FORMAT_BPTC_RGB_FLOAT: num_format = V_008F14_IMG_NUM_FORMAT_SNORM; break; default: num_format = V_008F14_IMG_NUM_FORMAT_UNORM; break; } } else if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) { num_format = V_008F14_IMG_NUM_FORMAT_UNORM; } else { num_format = V_008F14_IMG_NUM_FORMAT_FLOAT; } } else if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) { num_format = V_008F14_IMG_NUM_FORMAT_SRGB; } else { num_format = V_008F14_IMG_NUM_FORMAT_UNORM; switch (desc->channel[first_non_void].type) { case UTIL_FORMAT_TYPE_FLOAT: num_format = V_008F14_IMG_NUM_FORMAT_FLOAT; break; case UTIL_FORMAT_TYPE_SIGNED: if (desc->channel[first_non_void].normalized) num_format = V_008F14_IMG_NUM_FORMAT_SNORM; else if (desc->channel[first_non_void].pure_integer) num_format = V_008F14_IMG_NUM_FORMAT_SINT; else num_format = V_008F14_IMG_NUM_FORMAT_SSCALED; break; case UTIL_FORMAT_TYPE_UNSIGNED: if (desc->channel[first_non_void].normalized) num_format = V_008F14_IMG_NUM_FORMAT_UNORM; else if (desc->channel[first_non_void].pure_integer) num_format = V_008F14_IMG_NUM_FORMAT_UINT; else num_format = V_008F14_IMG_NUM_FORMAT_USCALED; } } } data_format = si_translate_texformat(&screen->b, pipe_format, desc, first_non_void); if (data_format == ~0) { data_format = 0; } /* S8 with Z32 HTILE needs a special format. */ if (screen->info.chip_class >= GFX9 && pipe_format == PIPE_FORMAT_S8_UINT && tex->tc_compatible_htile) data_format = V_008F14_IMG_DATA_FORMAT_S8_32; if (!sampler && (res->target == PIPE_TEXTURE_CUBE || res->target == PIPE_TEXTURE_CUBE_ARRAY || (screen->info.chip_class <= VI && res->target == PIPE_TEXTURE_3D))) { /* For the purpose of shader images, treat cube maps and 3D * textures as 2D arrays. For 3D textures, the address * calculations for mipmaps are different, so we rely on the * caller to effectively disable mipmaps. */ type = V_008F1C_SQ_RSRC_IMG_2D_ARRAY; assert(res->target != PIPE_TEXTURE_3D || (first_level == 0 && last_level == 0)); } else { type = si_tex_dim(screen, tex, target, num_samples); } if (type == V_008F1C_SQ_RSRC_IMG_1D_ARRAY) { height = 1; depth = res->array_size; } else if (type == V_008F1C_SQ_RSRC_IMG_2D_ARRAY || type == V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY) { if (sampler || res->target != PIPE_TEXTURE_3D) depth = res->array_size; } else if (type == V_008F1C_SQ_RSRC_IMG_CUBE) depth = res->array_size / 6; state[0] = 0; state[1] = (S_008F14_DATA_FORMAT_GFX6(data_format) | S_008F14_NUM_FORMAT_GFX6(num_format)); state[2] = (S_008F18_WIDTH(width - 1) | S_008F18_HEIGHT(height - 1) | S_008F18_PERF_MOD(4)); state[3] = (S_008F1C_DST_SEL_X(si_map_swizzle(swizzle[0])) | S_008F1C_DST_SEL_Y(si_map_swizzle(swizzle[1])) | S_008F1C_DST_SEL_Z(si_map_swizzle(swizzle[2])) | S_008F1C_DST_SEL_W(si_map_swizzle(swizzle[3])) | S_008F1C_BASE_LEVEL(num_samples > 1 ? 0 : first_level) | S_008F1C_LAST_LEVEL(num_samples > 1 ? util_logbase2(num_samples) : last_level) | S_008F1C_TYPE(type)); state[4] = 0; state[5] = S_008F24_BASE_ARRAY(first_layer); state[6] = 0; state[7] = 0; if (screen->info.chip_class >= GFX9) { unsigned bc_swizzle = gfx9_border_color_swizzle(desc->swizzle); /* Depth is the the last accessible layer on Gfx9. * The hw doesn't need to know the total number of layers. */ if (type == V_008F1C_SQ_RSRC_IMG_3D) state[4] |= S_008F20_DEPTH(depth - 1); else state[4] |= S_008F20_DEPTH(last_layer); state[4] |= S_008F20_BC_SWIZZLE(bc_swizzle); state[5] |= S_008F24_MAX_MIP(num_samples > 1 ? util_logbase2(num_samples) : tex->buffer.b.b.last_level); } else { state[3] |= S_008F1C_POW2_PAD(res->last_level > 0); state[4] |= S_008F20_DEPTH(depth - 1); state[5] |= S_008F24_LAST_ARRAY(last_layer); } if (tex->dcc_offset) { state[6] = S_008F28_ALPHA_IS_ON_MSB(vi_alpha_is_on_msb(pipe_format)); } else { /* The last dword is unused by hw. The shader uses it to clear * bits in the first dword of sampler state. */ if (screen->info.chip_class <= CIK && res->nr_samples <= 1) { if (first_level == last_level) state[7] = C_008F30_MAX_ANISO_RATIO; else state[7] = 0xffffffff; } } /* Initialize the sampler view for FMASK. */ if (tex->surface.fmask_size) { uint32_t data_format, num_format; va = tex->buffer.gpu_address + tex->fmask_offset; #define FMASK(s,f) (((unsigned)(MAX2(1, s)) * 16) + (MAX2(1, f))) if (screen->info.chip_class >= GFX9) { data_format = V_008F14_IMG_DATA_FORMAT_FMASK; switch (FMASK(res->nr_samples, res->nr_storage_samples)) { case FMASK(2,1): num_format = V_008F14_IMG_FMASK_8_2_1; break; case FMASK(2,2): num_format = V_008F14_IMG_FMASK_8_2_2; break; case FMASK(4,1): num_format = V_008F14_IMG_FMASK_8_4_1; break; case FMASK(4,2): num_format = V_008F14_IMG_FMASK_8_4_2; break; case FMASK(4,4): num_format = V_008F14_IMG_FMASK_8_4_4; break; case FMASK(8,1): num_format = V_008F14_IMG_FMASK_8_8_1; break; case FMASK(8,2): num_format = V_008F14_IMG_FMASK_16_8_2; break; case FMASK(8,4): num_format = V_008F14_IMG_FMASK_32_8_4; break; case FMASK(8,8): num_format = V_008F14_IMG_FMASK_32_8_8; break; case FMASK(16,1): num_format = V_008F14_IMG_FMASK_16_16_1; break; case FMASK(16,2): num_format = V_008F14_IMG_FMASK_32_16_2; break; case FMASK(16,4): num_format = V_008F14_IMG_FMASK_64_16_4; break; case FMASK(16,8): num_format = V_008F14_IMG_FMASK_64_16_8; break; default: unreachable("invalid nr_samples"); } } else { switch (FMASK(res->nr_samples, res->nr_storage_samples)) { case FMASK(2,1): data_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S2_F1; break; case FMASK(2,2): data_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S2_F2; break; case FMASK(4,1): data_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F1; break; case FMASK(4,2): data_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F2; break; case FMASK(4,4): data_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F4; break; case FMASK(8,1): data_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S8_F1; break; case FMASK(8,2): data_format = V_008F14_IMG_DATA_FORMAT_FMASK16_S8_F2; break; case FMASK(8,4): data_format = V_008F14_IMG_DATA_FORMAT_FMASK32_S8_F4; break; case FMASK(8,8): data_format = V_008F14_IMG_DATA_FORMAT_FMASK32_S8_F8; break; case FMASK(16,1): data_format = V_008F14_IMG_DATA_FORMAT_FMASK16_S16_F1; break; case FMASK(16,2): data_format = V_008F14_IMG_DATA_FORMAT_FMASK32_S16_F2; break; case FMASK(16,4): data_format = V_008F14_IMG_DATA_FORMAT_FMASK64_S16_F4; break; case FMASK(16,8): data_format = V_008F14_IMG_DATA_FORMAT_FMASK64_S16_F8; break; default: unreachable("invalid nr_samples"); } num_format = V_008F14_IMG_NUM_FORMAT_UINT; } #undef FMASK fmask_state[0] = (va >> 8) | tex->surface.fmask_tile_swizzle; fmask_state[1] = S_008F14_BASE_ADDRESS_HI(va >> 40) | S_008F14_DATA_FORMAT_GFX6(data_format) | S_008F14_NUM_FORMAT_GFX6(num_format); fmask_state[2] = S_008F18_WIDTH(width - 1) | S_008F18_HEIGHT(height - 1); fmask_state[3] = S_008F1C_DST_SEL_X(V_008F1C_SQ_SEL_X) | S_008F1C_DST_SEL_Y(V_008F1C_SQ_SEL_X) | S_008F1C_DST_SEL_Z(V_008F1C_SQ_SEL_X) | S_008F1C_DST_SEL_W(V_008F1C_SQ_SEL_X) | S_008F1C_TYPE(si_tex_dim(screen, tex, target, 0)); fmask_state[4] = 0; fmask_state[5] = S_008F24_BASE_ARRAY(first_layer); fmask_state[6] = 0; fmask_state[7] = 0; if (screen->info.chip_class >= GFX9) { fmask_state[3] |= S_008F1C_SW_MODE(tex->surface.u.gfx9.fmask.swizzle_mode); fmask_state[4] |= S_008F20_DEPTH(last_layer) | S_008F20_PITCH_GFX9(tex->surface.u.gfx9.fmask.epitch); fmask_state[5] |= S_008F24_META_PIPE_ALIGNED(tex->surface.u.gfx9.cmask.pipe_aligned) | S_008F24_META_RB_ALIGNED(tex->surface.u.gfx9.cmask.rb_aligned); } else { fmask_state[3] |= S_008F1C_TILING_INDEX(tex->surface.u.legacy.fmask.tiling_index); fmask_state[4] |= S_008F20_DEPTH(depth - 1) | S_008F20_PITCH_GFX6(tex->surface.u.legacy.fmask.pitch_in_pixels - 1); fmask_state[5] |= S_008F24_LAST_ARRAY(last_layer); } } } /** * Create a sampler view. * * @param ctx context * @param texture texture * @param state sampler view template * @param width0 width0 override (for compressed textures as int) * @param height0 height0 override (for compressed textures as int) * @param force_level set the base address to the level (for compressed textures) */ struct pipe_sampler_view * si_create_sampler_view_custom(struct pipe_context *ctx, struct pipe_resource *texture, const struct pipe_sampler_view *state, unsigned width0, unsigned height0, unsigned force_level) { struct si_context *sctx = (struct si_context*)ctx; struct si_sampler_view *view = CALLOC_STRUCT(si_sampler_view); struct si_texture *tex = (struct si_texture*)texture; unsigned base_level, first_level, last_level; unsigned char state_swizzle[4]; unsigned height, depth, width; unsigned last_layer = state->u.tex.last_layer; enum pipe_format pipe_format; const struct legacy_surf_level *surflevel; if (!view) return NULL; /* initialize base object */ view->base = *state; view->base.texture = NULL; view->base.reference.count = 1; view->base.context = ctx; assert(texture); pipe_resource_reference(&view->base.texture, texture); if (state->format == PIPE_FORMAT_X24S8_UINT || state->format == PIPE_FORMAT_S8X24_UINT || state->format == PIPE_FORMAT_X32_S8X24_UINT || state->format == PIPE_FORMAT_S8_UINT) view->is_stencil_sampler = true; /* Buffer resource. */ if (texture->target == PIPE_BUFFER) { si_make_buffer_descriptor(sctx->screen, si_resource(texture), state->format, state->u.buf.offset, state->u.buf.size, view->state); return &view->base; } state_swizzle[0] = state->swizzle_r; state_swizzle[1] = state->swizzle_g; state_swizzle[2] = state->swizzle_b; state_swizzle[3] = state->swizzle_a; base_level = 0; first_level = state->u.tex.first_level; last_level = state->u.tex.last_level; width = width0; height = height0; depth = texture->depth0; if (sctx->chip_class <= VI && force_level) { assert(force_level == first_level && force_level == last_level); base_level = force_level; first_level = 0; last_level = 0; width = u_minify(width, force_level); height = u_minify(height, force_level); depth = u_minify(depth, force_level); } /* This is not needed if state trackers set last_layer correctly. */ if (state->target == PIPE_TEXTURE_1D || state->target == PIPE_TEXTURE_2D || state->target == PIPE_TEXTURE_RECT || state->target == PIPE_TEXTURE_CUBE) last_layer = state->u.tex.first_layer; /* Texturing with separate depth and stencil. */ pipe_format = state->format; /* Depth/stencil texturing sometimes needs separate texture. */ if (tex->is_depth && !si_can_sample_zs(tex, view->is_stencil_sampler)) { if (!tex->flushed_depth_texture && !si_init_flushed_depth_texture(ctx, texture, NULL)) { pipe_resource_reference(&view->base.texture, NULL); FREE(view); return NULL; } assert(tex->flushed_depth_texture); /* Override format for the case where the flushed texture * contains only Z or only S. */ if (tex->flushed_depth_texture->buffer.b.b.format != tex->buffer.b.b.format) pipe_format = tex->flushed_depth_texture->buffer.b.b.format; tex = tex->flushed_depth_texture; } surflevel = tex->surface.u.legacy.level; if (tex->db_compatible) { if (!view->is_stencil_sampler) pipe_format = tex->db_render_format; switch (pipe_format) { case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: pipe_format = PIPE_FORMAT_Z32_FLOAT; break; case PIPE_FORMAT_X8Z24_UNORM: case PIPE_FORMAT_S8_UINT_Z24_UNORM: /* Z24 is always stored like this for DB * compatibility. */ pipe_format = PIPE_FORMAT_Z24X8_UNORM; break; case PIPE_FORMAT_X24S8_UINT: case PIPE_FORMAT_S8X24_UINT: case PIPE_FORMAT_X32_S8X24_UINT: pipe_format = PIPE_FORMAT_S8_UINT; surflevel = tex->surface.u.legacy.stencil_level; break; default:; } } view->dcc_incompatible = vi_dcc_formats_are_incompatible(texture, state->u.tex.first_level, state->format); si_make_texture_descriptor(sctx->screen, tex, true, state->target, pipe_format, state_swizzle, first_level, last_level, state->u.tex.first_layer, last_layer, width, height, depth, view->state, view->fmask_state); unsigned num_format = G_008F14_NUM_FORMAT_GFX6(view->state[1]); view->is_integer = num_format == V_008F14_IMG_NUM_FORMAT_USCALED || num_format == V_008F14_IMG_NUM_FORMAT_SSCALED || num_format == V_008F14_IMG_NUM_FORMAT_UINT || num_format == V_008F14_IMG_NUM_FORMAT_SINT; view->base_level_info = &surflevel[base_level]; view->base_level = base_level; view->block_width = util_format_get_blockwidth(pipe_format); return &view->base; } static struct pipe_sampler_view * si_create_sampler_view(struct pipe_context *ctx, struct pipe_resource *texture, const struct pipe_sampler_view *state) { return si_create_sampler_view_custom(ctx, texture, state, texture ? texture->width0 : 0, texture ? texture->height0 : 0, 0); } static void si_sampler_view_destroy(struct pipe_context *ctx, struct pipe_sampler_view *state) { struct si_sampler_view *view = (struct si_sampler_view *)state; pipe_resource_reference(&state->texture, NULL); FREE(view); } static bool wrap_mode_uses_border_color(unsigned wrap, bool linear_filter) { return wrap == PIPE_TEX_WRAP_CLAMP_TO_BORDER || wrap == PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER || (linear_filter && (wrap == PIPE_TEX_WRAP_CLAMP || wrap == PIPE_TEX_WRAP_MIRROR_CLAMP)); } static uint32_t si_translate_border_color(struct si_context *sctx, const struct pipe_sampler_state *state, const union pipe_color_union *color, bool is_integer) { bool linear_filter = state->min_img_filter != PIPE_TEX_FILTER_NEAREST || state->mag_img_filter != PIPE_TEX_FILTER_NEAREST; if (!wrap_mode_uses_border_color(state->wrap_s, linear_filter) && !wrap_mode_uses_border_color(state->wrap_t, linear_filter) && !wrap_mode_uses_border_color(state->wrap_r, linear_filter)) return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK); #define simple_border_types(elt) \ do { \ if (color->elt[0] == 0 && color->elt[1] == 0 && \ color->elt[2] == 0 && color->elt[3] == 0) \ return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK); \ if (color->elt[0] == 0 && color->elt[1] == 0 && \ color->elt[2] == 0 && color->elt[3] == 1) \ return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_BLACK); \ if (color->elt[0] == 1 && color->elt[1] == 1 && \ color->elt[2] == 1 && color->elt[3] == 1) \ return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_WHITE); \ } while (false) if (is_integer) simple_border_types(ui); else simple_border_types(f); #undef simple_border_types int i; /* Check if the border has been uploaded already. */ for (i = 0; i < sctx->border_color_count; i++) if (memcmp(&sctx->border_color_table[i], color, sizeof(*color)) == 0) break; if (i >= SI_MAX_BORDER_COLORS) { /* Getting 4096 unique border colors is very unlikely. */ fprintf(stderr, "radeonsi: The border color table is full. " "Any new border colors will be just black. " "Please file a bug.\n"); return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK); } if (i == sctx->border_color_count) { /* Upload a new border color. */ memcpy(&sctx->border_color_table[i], color, sizeof(*color)); util_memcpy_cpu_to_le32(&sctx->border_color_map[i], color, sizeof(*color)); sctx->border_color_count++; } return S_008F3C_BORDER_COLOR_PTR(i) | S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER); } static inline int S_FIXED(float value, unsigned frac_bits) { return value * (1 << frac_bits); } static inline unsigned si_tex_filter(unsigned filter, unsigned max_aniso) { if (filter == PIPE_TEX_FILTER_LINEAR) return max_aniso > 1 ? V_008F38_SQ_TEX_XY_FILTER_ANISO_BILINEAR : V_008F38_SQ_TEX_XY_FILTER_BILINEAR; else return max_aniso > 1 ? V_008F38_SQ_TEX_XY_FILTER_ANISO_POINT : V_008F38_SQ_TEX_XY_FILTER_POINT; } static inline unsigned si_tex_aniso_filter(unsigned filter) { if (filter < 2) return 0; if (filter < 4) return 1; if (filter < 8) return 2; if (filter < 16) return 3; return 4; } static void *si_create_sampler_state(struct pipe_context *ctx, const struct pipe_sampler_state *state) { struct si_context *sctx = (struct si_context *)ctx; struct si_screen *sscreen = sctx->screen; struct si_sampler_state *rstate = CALLOC_STRUCT(si_sampler_state); unsigned max_aniso = sscreen->force_aniso >= 0 ? sscreen->force_aniso : state->max_anisotropy; unsigned max_aniso_ratio = si_tex_aniso_filter(max_aniso); union pipe_color_union clamped_border_color; if (!rstate) { return NULL; } #ifdef DEBUG rstate->magic = SI_SAMPLER_STATE_MAGIC; #endif rstate->val[0] = (S_008F30_CLAMP_X(si_tex_wrap(state->wrap_s)) | S_008F30_CLAMP_Y(si_tex_wrap(state->wrap_t)) | S_008F30_CLAMP_Z(si_tex_wrap(state->wrap_r)) | S_008F30_MAX_ANISO_RATIO(max_aniso_ratio) | S_008F30_DEPTH_COMPARE_FUNC(si_tex_compare(state->compare_func)) | S_008F30_FORCE_UNNORMALIZED(!state->normalized_coords) | S_008F30_ANISO_THRESHOLD(max_aniso_ratio >> 1) | S_008F30_ANISO_BIAS(max_aniso_ratio) | S_008F30_DISABLE_CUBE_WRAP(!state->seamless_cube_map) | S_008F30_COMPAT_MODE(sctx->chip_class >= VI)); rstate->val[1] = (S_008F34_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 8)) | S_008F34_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 8)) | S_008F34_PERF_MIP(max_aniso_ratio ? max_aniso_ratio + 6 : 0)); rstate->val[2] = (S_008F38_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) | S_008F38_XY_MAG_FILTER(si_tex_filter(state->mag_img_filter, max_aniso)) | S_008F38_XY_MIN_FILTER(si_tex_filter(state->min_img_filter, max_aniso)) | S_008F38_MIP_FILTER(si_tex_mipfilter(state->min_mip_filter)) | S_008F38_MIP_POINT_PRECLAMP(0) | S_008F38_DISABLE_LSB_CEIL(sctx->chip_class <= VI) | S_008F38_FILTER_PREC_FIX(1) | S_008F38_ANISO_OVERRIDE(sctx->chip_class >= VI)); rstate->val[3] = si_translate_border_color(sctx, state, &state->border_color, false); /* Create sampler resource for integer textures. */ memcpy(rstate->integer_val, rstate->val, sizeof(rstate->val)); rstate->integer_val[3] = si_translate_border_color(sctx, state, &state->border_color, true); /* Create sampler resource for upgraded depth textures. */ memcpy(rstate->upgraded_depth_val, rstate->val, sizeof(rstate->val)); for (unsigned i = 0; i < 4; ++i) { /* Use channel 0 on purpose, so that we can use OPAQUE_WHITE * when the border color is 1.0. */ clamped_border_color.f[i] = CLAMP(state->border_color.f[0], 0, 1); } if (memcmp(&state->border_color, &clamped_border_color, sizeof(clamped_border_color)) == 0) rstate->upgraded_depth_val[3] |= S_008F3C_UPGRADED_DEPTH(1); else rstate->upgraded_depth_val[3] = si_translate_border_color(sctx, state, &clamped_border_color, false) | S_008F3C_UPGRADED_DEPTH(1); return rstate; } static void si_set_sample_mask(struct pipe_context *ctx, unsigned sample_mask) { struct si_context *sctx = (struct si_context *)ctx; if (sctx->sample_mask == (uint16_t)sample_mask) return; sctx->sample_mask = sample_mask; si_mark_atom_dirty(sctx, &sctx->atoms.s.sample_mask); } static void si_emit_sample_mask(struct si_context *sctx) { struct radeon_cmdbuf *cs = sctx->gfx_cs; unsigned mask = sctx->sample_mask; /* Needed for line and polygon smoothing as well as for the Polaris * small primitive filter. We expect the state tracker to take care of * this for us. */ assert(mask == 0xffff || sctx->framebuffer.nr_samples > 1 || (mask & 1 && sctx->blitter->running)); radeon_set_context_reg_seq(cs, R_028C38_PA_SC_AA_MASK_X0Y0_X1Y0, 2); radeon_emit(cs, mask | (mask << 16)); radeon_emit(cs, mask | (mask << 16)); } static void si_delete_sampler_state(struct pipe_context *ctx, void *state) { #ifdef DEBUG struct si_sampler_state *s = state; assert(s->magic == SI_SAMPLER_STATE_MAGIC); s->magic = 0; #endif free(state); } /* * Vertex elements & buffers */ struct util_fast_udiv_info32 { unsigned multiplier; /* the "magic number" multiplier */ unsigned pre_shift; /* shift for the dividend before multiplying */ unsigned post_shift; /* shift for the dividend after multiplying */ int increment; /* 0 or 1; if set then increment the numerator, using one of the two strategies */ }; static struct util_fast_udiv_info32 util_compute_fast_udiv_info32(uint32_t D, unsigned num_bits) { struct util_fast_udiv_info info = util_compute_fast_udiv_info(D, num_bits, 32); struct util_fast_udiv_info32 result = { info.multiplier, info.pre_shift, info.post_shift, info.increment, }; return result; } static void *si_create_vertex_elements(struct pipe_context *ctx, unsigned count, const struct pipe_vertex_element *elements) { struct si_screen *sscreen = (struct si_screen*)ctx->screen; struct si_vertex_elements *v = CALLOC_STRUCT(si_vertex_elements); bool used[SI_NUM_VERTEX_BUFFERS] = {}; struct util_fast_udiv_info32 divisor_factors[SI_MAX_ATTRIBS] = {}; STATIC_ASSERT(sizeof(struct util_fast_udiv_info32) == 16); STATIC_ASSERT(sizeof(divisor_factors[0].multiplier) == 4); STATIC_ASSERT(sizeof(divisor_factors[0].pre_shift) == 4); STATIC_ASSERT(sizeof(divisor_factors[0].post_shift) == 4); STATIC_ASSERT(sizeof(divisor_factors[0].increment) == 4); int i; assert(count <= SI_MAX_ATTRIBS); if (!v) return NULL; v->count = count; v->desc_list_byte_size = align(count * 16, SI_CPDMA_ALIGNMENT); for (i = 0; i < count; ++i) { const struct util_format_description *desc; const struct util_format_channel_description *channel; unsigned data_format, num_format; int first_non_void; unsigned vbo_index = elements[i].vertex_buffer_index; unsigned char swizzle[4]; if (vbo_index >= SI_NUM_VERTEX_BUFFERS) { FREE(v); return NULL; } unsigned instance_divisor = elements[i].instance_divisor; if (instance_divisor) { v->uses_instance_divisors = true; if (instance_divisor == 1) { v->instance_divisor_is_one |= 1u << i; } else { v->instance_divisor_is_fetched |= 1u << i; divisor_factors[i] = util_compute_fast_udiv_info32(instance_divisor, 32); } } if (!used[vbo_index]) { v->first_vb_use_mask |= 1 << i; used[vbo_index] = true; } desc = util_format_description(elements[i].src_format); first_non_void = util_format_get_first_non_void_channel(elements[i].src_format); data_format = si_translate_buffer_dataformat(ctx->screen, desc, first_non_void); num_format = si_translate_buffer_numformat(ctx->screen, desc, first_non_void); channel = first_non_void >= 0 ? &desc->channel[first_non_void] : NULL; memcpy(swizzle, desc->swizzle, sizeof(swizzle)); v->format_size[i] = desc->block.bits / 8; v->src_offset[i] = elements[i].src_offset; v->vertex_buffer_index[i] = vbo_index; /* The hardware always treats the 2-bit alpha channel as * unsigned, so a shader workaround is needed. The affected * chips are VI and older except Stoney (GFX8.1). */ if (data_format == V_008F0C_BUF_DATA_FORMAT_2_10_10_10 && sscreen->info.chip_class <= VI && sscreen->info.family != CHIP_STONEY) { if (num_format == V_008F0C_BUF_NUM_FORMAT_SNORM) { v->fix_fetch[i] = SI_FIX_FETCH_A2_SNORM; } else if (num_format == V_008F0C_BUF_NUM_FORMAT_SSCALED) { v->fix_fetch[i] = SI_FIX_FETCH_A2_SSCALED; } else if (num_format == V_008F0C_BUF_NUM_FORMAT_SINT) { /* This isn't actually used in OpenGL. */ v->fix_fetch[i] = SI_FIX_FETCH_A2_SINT; } } else if (channel && channel->type == UTIL_FORMAT_TYPE_FIXED) { if (desc->swizzle[3] == PIPE_SWIZZLE_1) v->fix_fetch[i] = SI_FIX_FETCH_RGBX_32_FIXED; else v->fix_fetch[i] = SI_FIX_FETCH_RGBA_32_FIXED; } else if (channel && channel->size == 32 && !channel->pure_integer) { if (channel->type == UTIL_FORMAT_TYPE_SIGNED) { if (channel->normalized) { if (desc->swizzle[3] == PIPE_SWIZZLE_1) v->fix_fetch[i] = SI_FIX_FETCH_RGBX_32_SNORM; else v->fix_fetch[i] = SI_FIX_FETCH_RGBA_32_SNORM; } else { v->fix_fetch[i] = SI_FIX_FETCH_RGBA_32_SSCALED; } } else if (channel->type == UTIL_FORMAT_TYPE_UNSIGNED) { if (channel->normalized) { if (desc->swizzle[3] == PIPE_SWIZZLE_1) v->fix_fetch[i] = SI_FIX_FETCH_RGBX_32_UNORM; else v->fix_fetch[i] = SI_FIX_FETCH_RGBA_32_UNORM; } else { v->fix_fetch[i] = SI_FIX_FETCH_RGBA_32_USCALED; } } } else if (channel && channel->size == 64 && channel->type == UTIL_FORMAT_TYPE_FLOAT) { switch (desc->nr_channels) { case 1: case 2: v->fix_fetch[i] = SI_FIX_FETCH_RG_64_FLOAT; swizzle[0] = PIPE_SWIZZLE_X; swizzle[1] = PIPE_SWIZZLE_Y; swizzle[2] = desc->nr_channels == 2 ? PIPE_SWIZZLE_Z : PIPE_SWIZZLE_0; swizzle[3] = desc->nr_channels == 2 ? PIPE_SWIZZLE_W : PIPE_SWIZZLE_0; break; case 3: v->fix_fetch[i] = SI_FIX_FETCH_RGB_64_FLOAT; swizzle[0] = PIPE_SWIZZLE_X; /* 3 loads */ swizzle[1] = PIPE_SWIZZLE_Y; swizzle[2] = PIPE_SWIZZLE_0; swizzle[3] = PIPE_SWIZZLE_0; break; case 4: v->fix_fetch[i] = SI_FIX_FETCH_RGBA_64_FLOAT; swizzle[0] = PIPE_SWIZZLE_X; /* 2 loads */ swizzle[1] = PIPE_SWIZZLE_Y; swizzle[2] = PIPE_SWIZZLE_Z; swizzle[3] = PIPE_SWIZZLE_W; break; default: assert(0); } } else if (channel && desc->nr_channels == 3) { assert(desc->swizzle[0] == PIPE_SWIZZLE_X); if (channel->size == 8) { if (channel->pure_integer) v->fix_fetch[i] = SI_FIX_FETCH_RGB_8_INT; else v->fix_fetch[i] = SI_FIX_FETCH_RGB_8; } else if (channel->size == 16) { if (channel->pure_integer) v->fix_fetch[i] = SI_FIX_FETCH_RGB_16_INT; else v->fix_fetch[i] = SI_FIX_FETCH_RGB_16; } } v->rsrc_word3[i] = S_008F0C_DST_SEL_X(si_map_swizzle(swizzle[0])) | S_008F0C_DST_SEL_Y(si_map_swizzle(swizzle[1])) | S_008F0C_DST_SEL_Z(si_map_swizzle(swizzle[2])) | S_008F0C_DST_SEL_W(si_map_swizzle(swizzle[3])) | S_008F0C_NUM_FORMAT(num_format) | S_008F0C_DATA_FORMAT(data_format); } if (v->instance_divisor_is_fetched) { unsigned num_divisors = util_last_bit(v->instance_divisor_is_fetched); v->instance_divisor_factor_buffer = (struct si_resource*) pipe_buffer_create(&sscreen->b, 0, PIPE_USAGE_DEFAULT, num_divisors * sizeof(divisor_factors[0])); if (!v->instance_divisor_factor_buffer) { FREE(v); return NULL; } void *map = sscreen->ws->buffer_map(v->instance_divisor_factor_buffer->buf, NULL, PIPE_TRANSFER_WRITE); memcpy(map , divisor_factors, num_divisors * sizeof(divisor_factors[0])); } return v; } static void si_bind_vertex_elements(struct pipe_context *ctx, void *state) { struct si_context *sctx = (struct si_context *)ctx; struct si_vertex_elements *old = sctx->vertex_elements; struct si_vertex_elements *v = (struct si_vertex_elements*)state; sctx->vertex_elements = v; sctx->vertex_buffers_dirty = true; if (v && (!old || old->count != v->count || old->uses_instance_divisors != v->uses_instance_divisors || v->uses_instance_divisors || /* we don't check which divisors changed */ memcmp(old->fix_fetch, v->fix_fetch, sizeof(v->fix_fetch[0]) * v->count))) sctx->do_update_shaders = true; if (v && v->instance_divisor_is_fetched) { struct pipe_constant_buffer cb; cb.buffer = &v->instance_divisor_factor_buffer->b.b; cb.user_buffer = NULL; cb.buffer_offset = 0; cb.buffer_size = 0xffffffff; si_set_rw_buffer(sctx, SI_VS_CONST_INSTANCE_DIVISORS, &cb); } } static void si_delete_vertex_element(struct pipe_context *ctx, void *state) { struct si_context *sctx = (struct si_context *)ctx; struct si_vertex_elements *v = (struct si_vertex_elements*)state; if (sctx->vertex_elements == state) sctx->vertex_elements = NULL; si_resource_reference(&v->instance_divisor_factor_buffer, NULL); FREE(state); } static void si_set_vertex_buffers(struct pipe_context *ctx, unsigned start_slot, unsigned count, const struct pipe_vertex_buffer *buffers) { struct si_context *sctx = (struct si_context *)ctx; struct pipe_vertex_buffer *dst = sctx->vertex_buffer + start_slot; int i; assert(start_slot + count <= ARRAY_SIZE(sctx->vertex_buffer)); if (buffers) { for (i = 0; i < count; i++) { const struct pipe_vertex_buffer *src = buffers + i; struct pipe_vertex_buffer *dsti = dst + i; struct pipe_resource *buf = src->buffer.resource; pipe_resource_reference(&dsti->buffer.resource, buf); dsti->buffer_offset = src->buffer_offset; dsti->stride = src->stride; si_context_add_resource_size(sctx, buf); if (buf) si_resource(buf)->bind_history |= PIPE_BIND_VERTEX_BUFFER; } } else { for (i = 0; i < count; i++) { pipe_resource_reference(&dst[i].buffer.resource, NULL); } } sctx->vertex_buffers_dirty = true; } /* * Misc */ static void si_set_tess_state(struct pipe_context *ctx, const float default_outer_level[4], const float default_inner_level[2]) { struct si_context *sctx = (struct si_context *)ctx; struct pipe_constant_buffer cb; float array[8]; memcpy(array, default_outer_level, sizeof(float) * 4); memcpy(array+4, default_inner_level, sizeof(float) * 2); cb.buffer = NULL; cb.user_buffer = NULL; cb.buffer_size = sizeof(array); si_upload_const_buffer(sctx, (struct si_resource**)&cb.buffer, (void*)array, sizeof(array), &cb.buffer_offset); si_set_rw_buffer(sctx, SI_HS_CONST_DEFAULT_TESS_LEVELS, &cb); pipe_resource_reference(&cb.buffer, NULL); } static void si_texture_barrier(struct pipe_context *ctx, unsigned flags) { struct si_context *sctx = (struct si_context *)ctx; si_update_fb_dirtiness_after_rendering(sctx); /* Multisample surfaces are flushed in si_decompress_textures. */ if (sctx->framebuffer.uncompressed_cb_mask) { si_make_CB_shader_coherent(sctx, sctx->framebuffer.nr_samples, sctx->framebuffer.CB_has_shader_readable_metadata, sctx->framebuffer.all_DCC_pipe_aligned); } } /* This only ensures coherency for shader image/buffer stores. */ void si_memory_barrier(struct pipe_context *ctx, unsigned flags) { struct si_context *sctx = (struct si_context *)ctx; if (!(flags & ~PIPE_BARRIER_UPDATE)) return; /* Subsequent commands must wait for all shader invocations to * complete. */ sctx->flags |= SI_CONTEXT_PS_PARTIAL_FLUSH | SI_CONTEXT_CS_PARTIAL_FLUSH; if (flags & PIPE_BARRIER_CONSTANT_BUFFER) sctx->flags |= SI_CONTEXT_INV_SMEM_L1 | SI_CONTEXT_INV_VMEM_L1; if (flags & (PIPE_BARRIER_VERTEX_BUFFER | PIPE_BARRIER_SHADER_BUFFER | PIPE_BARRIER_TEXTURE | PIPE_BARRIER_IMAGE | PIPE_BARRIER_STREAMOUT_BUFFER | PIPE_BARRIER_GLOBAL_BUFFER)) { /* As far as I can tell, L1 contents are written back to L2 * automatically at end of shader, but the contents of other * L1 caches might still be stale. */ sctx->flags |= SI_CONTEXT_INV_VMEM_L1; } if (flags & PIPE_BARRIER_INDEX_BUFFER) { /* Indices are read through TC L2 since VI. * L1 isn't used. */ if (sctx->screen->info.chip_class <= CIK) sctx->flags |= SI_CONTEXT_WRITEBACK_GLOBAL_L2; } /* MSAA color, any depth and any stencil are flushed in * si_decompress_textures when needed. */ if (flags & PIPE_BARRIER_FRAMEBUFFER && sctx->framebuffer.uncompressed_cb_mask) { sctx->flags |= SI_CONTEXT_FLUSH_AND_INV_CB; if (sctx->chip_class <= VI) sctx->flags |= SI_CONTEXT_WRITEBACK_GLOBAL_L2; } /* Indirect buffers use TC L2 on GFX9, but not older hw. */ if (sctx->screen->info.chip_class <= VI && flags & PIPE_BARRIER_INDIRECT_BUFFER) sctx->flags |= SI_CONTEXT_WRITEBACK_GLOBAL_L2; } static void *si_create_blend_custom(struct si_context *sctx, unsigned mode) { struct pipe_blend_state blend; memset(&blend, 0, sizeof(blend)); blend.independent_blend_enable = true; blend.rt[0].colormask = 0xf; return si_create_blend_state_mode(&sctx->b, &blend, mode); } static void si_init_config(struct si_context *sctx); void si_init_state_functions(struct si_context *sctx) { sctx->atoms.s.framebuffer.emit = si_emit_framebuffer_state; sctx->atoms.s.msaa_sample_locs.emit = si_emit_msaa_sample_locs; sctx->atoms.s.db_render_state.emit = si_emit_db_render_state; sctx->atoms.s.dpbb_state.emit = si_emit_dpbb_state; sctx->atoms.s.msaa_config.emit = si_emit_msaa_config; sctx->atoms.s.sample_mask.emit = si_emit_sample_mask; sctx->atoms.s.cb_render_state.emit = si_emit_cb_render_state; sctx->atoms.s.blend_color.emit = si_emit_blend_color; sctx->atoms.s.clip_regs.emit = si_emit_clip_regs; sctx->atoms.s.clip_state.emit = si_emit_clip_state; sctx->atoms.s.stencil_ref.emit = si_emit_stencil_ref; sctx->b.create_blend_state = si_create_blend_state; sctx->b.bind_blend_state = si_bind_blend_state; sctx->b.delete_blend_state = si_delete_blend_state; sctx->b.set_blend_color = si_set_blend_color; sctx->b.create_rasterizer_state = si_create_rs_state; sctx->b.bind_rasterizer_state = si_bind_rs_state; sctx->b.delete_rasterizer_state = si_delete_rs_state; sctx->b.create_depth_stencil_alpha_state = si_create_dsa_state; sctx->b.bind_depth_stencil_alpha_state = si_bind_dsa_state; sctx->b.delete_depth_stencil_alpha_state = si_delete_dsa_state; sctx->custom_dsa_flush = si_create_db_flush_dsa(sctx); sctx->custom_blend_resolve = si_create_blend_custom(sctx, V_028808_CB_RESOLVE); sctx->custom_blend_fmask_decompress = si_create_blend_custom(sctx, V_028808_CB_FMASK_DECOMPRESS); sctx->custom_blend_eliminate_fastclear = si_create_blend_custom(sctx, V_028808_CB_ELIMINATE_FAST_CLEAR); sctx->custom_blend_dcc_decompress = si_create_blend_custom(sctx, V_028808_CB_DCC_DECOMPRESS); sctx->b.set_clip_state = si_set_clip_state; sctx->b.set_stencil_ref = si_set_stencil_ref; sctx->b.set_framebuffer_state = si_set_framebuffer_state; sctx->b.create_sampler_state = si_create_sampler_state; sctx->b.delete_sampler_state = si_delete_sampler_state; sctx->b.create_sampler_view = si_create_sampler_view; sctx->b.sampler_view_destroy = si_sampler_view_destroy; sctx->b.set_sample_mask = si_set_sample_mask; sctx->b.create_vertex_elements_state = si_create_vertex_elements; sctx->b.bind_vertex_elements_state = si_bind_vertex_elements; sctx->b.delete_vertex_elements_state = si_delete_vertex_element; sctx->b.set_vertex_buffers = si_set_vertex_buffers; sctx->b.texture_barrier = si_texture_barrier; sctx->b.set_min_samples = si_set_min_samples; sctx->b.set_tess_state = si_set_tess_state; sctx->b.set_active_query_state = si_set_active_query_state; si_init_config(sctx); } void si_init_screen_state_functions(struct si_screen *sscreen) { sscreen->b.is_format_supported = si_is_format_supported; } static void si_set_grbm_gfx_index(struct si_context *sctx, struct si_pm4_state *pm4, unsigned value) { unsigned reg = sctx->chip_class >= CIK ? R_030800_GRBM_GFX_INDEX : R_00802C_GRBM_GFX_INDEX; si_pm4_set_reg(pm4, reg, value); } static void si_set_grbm_gfx_index_se(struct si_context *sctx, struct si_pm4_state *pm4, unsigned se) { assert(se == ~0 || se < sctx->screen->info.max_se); si_set_grbm_gfx_index(sctx, pm4, (se == ~0 ? S_030800_SE_BROADCAST_WRITES(1) : S_030800_SE_INDEX(se)) | S_030800_SH_BROADCAST_WRITES(1) | S_030800_INSTANCE_BROADCAST_WRITES(1)); } static void si_write_harvested_raster_configs(struct si_context *sctx, struct si_pm4_state *pm4, unsigned raster_config, unsigned raster_config_1) { unsigned num_se = MAX2(sctx->screen->info.max_se, 1); unsigned raster_config_se[4]; unsigned se; ac_get_harvested_configs(&sctx->screen->info, raster_config, &raster_config_1, raster_config_se); for (se = 0; se < num_se; se++) { si_set_grbm_gfx_index_se(sctx, pm4, se); si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, raster_config_se[se]); } si_set_grbm_gfx_index(sctx, pm4, ~0); if (sctx->chip_class >= CIK) { si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, raster_config_1); } } static void si_set_raster_config(struct si_context *sctx, struct si_pm4_state *pm4) { struct si_screen *sscreen = sctx->screen; unsigned num_rb = MIN2(sscreen->info.num_render_backends, 16); unsigned rb_mask = sscreen->info.enabled_rb_mask; unsigned raster_config = sscreen->pa_sc_raster_config; unsigned raster_config_1 = sscreen->pa_sc_raster_config_1; if (!rb_mask || util_bitcount(rb_mask) >= num_rb) { /* Always use the default config when all backends are enabled * (or when we failed to determine the enabled backends). */ si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, raster_config); if (sctx->chip_class >= CIK) si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, raster_config_1); } else { si_write_harvested_raster_configs(sctx, pm4, raster_config, raster_config_1); } } static void si_init_config(struct si_context *sctx) { struct si_screen *sscreen = sctx->screen; uint64_t border_color_va = sctx->border_color_buffer->gpu_address; bool has_clear_state = sscreen->has_clear_state; struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state); /* SI, radeon kernel disabled CLEAR_STATE. */ assert(has_clear_state || sscreen->info.chip_class == SI || sscreen->info.drm_major != 3); if (!pm4) return; si_pm4_cmd_begin(pm4, PKT3_CONTEXT_CONTROL); si_pm4_cmd_add(pm4, CONTEXT_CONTROL_LOAD_ENABLE(1)); si_pm4_cmd_add(pm4, CONTEXT_CONTROL_SHADOW_ENABLE(1)); si_pm4_cmd_end(pm4, false); if (has_clear_state) { si_pm4_cmd_begin(pm4, PKT3_CLEAR_STATE); si_pm4_cmd_add(pm4, 0); si_pm4_cmd_end(pm4, false); } if (sctx->chip_class <= VI) si_set_raster_config(sctx, pm4); si_pm4_set_reg(pm4, R_028A18_VGT_HOS_MAX_TESS_LEVEL, fui(64)); if (!has_clear_state) si_pm4_set_reg(pm4, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, fui(0)); /* FIXME calculate these values somehow ??? */ if (sctx->chip_class <= VI) { si_pm4_set_reg(pm4, R_028A54_VGT_GS_PER_ES, SI_GS_PER_ES); si_pm4_set_reg(pm4, R_028A58_VGT_ES_PER_GS, 0x40); } if (!has_clear_state) { si_pm4_set_reg(pm4, R_028A5C_VGT_GS_PER_VS, 0x2); si_pm4_set_reg(pm4, R_028A8C_VGT_PRIMITIVEID_RESET, 0x0); si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0); } si_pm4_set_reg(pm4, R_028AA0_VGT_INSTANCE_STEP_RATE_0, 1); if (!has_clear_state) si_pm4_set_reg(pm4, R_028AB8_VGT_VTX_CNT_EN, 0x0); if (sctx->chip_class < CIK) si_pm4_set_reg(pm4, R_008A14_PA_CL_ENHANCE, S_008A14_NUM_CLIP_SEQ(3) | S_008A14_CLIP_VTX_REORDER_ENA(1)); /* CLEAR_STATE doesn't clear these correctly on certain generations. * I don't know why. Deduced by trial and error. */ if (sctx->chip_class <= CIK) { si_pm4_set_reg(pm4, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0); si_pm4_set_reg(pm4, R_028204_PA_SC_WINDOW_SCISSOR_TL, S_028204_WINDOW_OFFSET_DISABLE(1)); si_pm4_set_reg(pm4, R_028240_PA_SC_GENERIC_SCISSOR_TL, S_028240_WINDOW_OFFSET_DISABLE(1)); si_pm4_set_reg(pm4, R_028244_PA_SC_GENERIC_SCISSOR_BR, S_028244_BR_X(16384) | S_028244_BR_Y(16384)); si_pm4_set_reg(pm4, R_028030_PA_SC_SCREEN_SCISSOR_TL, 0); si_pm4_set_reg(pm4, R_028034_PA_SC_SCREEN_SCISSOR_BR, S_028034_BR_X(16384) | S_028034_BR_Y(16384)); } if (!has_clear_state) { si_pm4_set_reg(pm4, R_028230_PA_SC_EDGERULE, S_028230_ER_TRI(0xA) | S_028230_ER_POINT(0xA) | S_028230_ER_RECT(0xA) | /* Required by DX10_DIAMOND_TEST_ENA: */ S_028230_ER_LINE_LR(0x1A) | S_028230_ER_LINE_RL(0x26) | S_028230_ER_LINE_TB(0xA) | S_028230_ER_LINE_BT(0xA)); si_pm4_set_reg(pm4, R_028820_PA_CL_NANINF_CNTL, 0); si_pm4_set_reg(pm4, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0); si_pm4_set_reg(pm4, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0); si_pm4_set_reg(pm4, R_028AC8_DB_PRELOAD_CONTROL, 0x0); si_pm4_set_reg(pm4, R_02800C_DB_RENDER_OVERRIDE, 0); } if (sctx->chip_class >= GFX9) { si_pm4_set_reg(pm4, R_030920_VGT_MAX_VTX_INDX, ~0); si_pm4_set_reg(pm4, R_030924_VGT_MIN_VTX_INDX, 0); si_pm4_set_reg(pm4, R_030928_VGT_INDX_OFFSET, 0); } else { /* These registers, when written, also overwrite the CLEAR_STATE * context, so we can't rely on CLEAR_STATE setting them. * It would be an issue if there was another UMD changing them. */ si_pm4_set_reg(pm4, R_028400_VGT_MAX_VTX_INDX, ~0); si_pm4_set_reg(pm4, R_028404_VGT_MIN_VTX_INDX, 0); si_pm4_set_reg(pm4, R_028408_VGT_INDX_OFFSET, 0); } if (sctx->chip_class >= CIK) { if (sctx->chip_class >= GFX9) { si_pm4_set_reg(pm4, R_00B41C_SPI_SHADER_PGM_RSRC3_HS, S_00B41C_CU_EN(0xffff) | S_00B41C_WAVE_LIMIT(0x3F)); } else { si_pm4_set_reg(pm4, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xffff) | S_00B51C_WAVE_LIMIT(0x3F)); si_pm4_set_reg(pm4, R_00B41C_SPI_SHADER_PGM_RSRC3_HS, S_00B41C_WAVE_LIMIT(0x3F)); si_pm4_set_reg(pm4, R_00B31C_SPI_SHADER_PGM_RSRC3_ES, S_00B31C_CU_EN(0xffff) | S_00B31C_WAVE_LIMIT(0x3F)); /* If this is 0, Bonaire can hang even if GS isn't being used. * Other chips are unaffected. These are suboptimal values, * but we don't use on-chip GS. */ si_pm4_set_reg(pm4, R_028A44_VGT_GS_ONCHIP_CNTL, S_028A44_ES_VERTS_PER_SUBGRP(64) | S_028A44_GS_PRIMS_PER_SUBGRP(4)); } si_pm4_set_reg(pm4, R_00B21C_SPI_SHADER_PGM_RSRC3_GS, S_00B21C_CU_EN(0xffff) | S_00B21C_WAVE_LIMIT(0x3F)); /* Compute LATE_ALLOC_VS.LIMIT. */ unsigned num_cu_per_sh = sscreen->info.num_good_cu_per_sh; unsigned late_alloc_limit; /* The limit is per SH. */ if (sctx->family == CHIP_KABINI) { late_alloc_limit = 0; /* Potential hang on Kabini. */ } else if (num_cu_per_sh <= 4) { /* Too few available compute units per SH. Disallowing * VS to run on one CU could hurt us more than late VS * allocation would help. * * 2 is the highest safe number that allows us to keep * all CUs enabled. */ late_alloc_limit = 2; } else { /* This is a good initial value, allowing 1 late_alloc * wave per SIMD on num_cu - 2. */ late_alloc_limit = (num_cu_per_sh - 2) * 4; /* The limit is 0-based, so 0 means 1. */ assert(late_alloc_limit > 0 && late_alloc_limit <= 64); late_alloc_limit -= 1; } /* VS can't execute on one CU if the limit is > 2. */ si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(late_alloc_limit > 2 ? 0xfffe : 0xffff) | S_00B118_WAVE_LIMIT(0x3F)); si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(late_alloc_limit)); si_pm4_set_reg(pm4, R_00B01C_SPI_SHADER_PGM_RSRC3_PS, S_00B01C_CU_EN(0xffff) | S_00B01C_WAVE_LIMIT(0x3F)); } if (sctx->chip_class >= VI) { unsigned vgt_tess_distribution; vgt_tess_distribution = S_028B50_ACCUM_ISOLINE(32) | S_028B50_ACCUM_TRI(11) | S_028B50_ACCUM_QUAD(11) | S_028B50_DONUT_SPLIT(16); /* Testing with Unigine Heaven extreme tesselation yielded best results * with TRAP_SPLIT = 3. */ if (sctx->family == CHIP_FIJI || sctx->family >= CHIP_POLARIS10) vgt_tess_distribution |= S_028B50_TRAP_SPLIT(3); si_pm4_set_reg(pm4, R_028B50_VGT_TESS_DISTRIBUTION, vgt_tess_distribution); } else if (!has_clear_state) { si_pm4_set_reg(pm4, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 14); si_pm4_set_reg(pm4, R_028C5C_VGT_OUT_DEALLOC_CNTL, 16); } si_pm4_set_reg(pm4, R_028080_TA_BC_BASE_ADDR, border_color_va >> 8); if (sctx->chip_class >= CIK) { si_pm4_set_reg(pm4, R_028084_TA_BC_BASE_ADDR_HI, S_028084_ADDRESS(border_color_va >> 40)); } si_pm4_add_bo(pm4, sctx->border_color_buffer, RADEON_USAGE_READ, RADEON_PRIO_BORDER_COLORS); if (sctx->chip_class >= GFX9) { unsigned num_se = sscreen->info.max_se; unsigned pc_lines = 0; switch (sctx->family) { case CHIP_VEGA10: case CHIP_VEGA12: case CHIP_VEGA20: pc_lines = 4096; break; case CHIP_RAVEN: case CHIP_RAVEN2: pc_lines = 1024; break; default: assert(0); } si_pm4_set_reg(pm4, R_028C48_PA_SC_BINNER_CNTL_1, S_028C48_MAX_ALLOC_COUNT(MIN2(128, pc_lines / (4 * num_se))) | S_028C48_MAX_PRIM_PER_BATCH(1023)); si_pm4_set_reg(pm4, R_028C4C_PA_SC_CONSERVATIVE_RASTERIZATION_CNTL, S_028C4C_NULL_SQUAD_AA_MASK_ENABLE(1)); si_pm4_set_reg(pm4, R_030968_VGT_INSTANCE_BASE_ID, 0); } si_pm4_upload_indirect_buffer(sctx, pm4); sctx->init_config = pm4; }