/* * Copyright 2012 Advanced Micro Devices, Inc. * * 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. * * Authors: * Christian König */ #include "si_pipe.h" #include "si_shader.h" #include "sid.h" #include "radeon/r600_cs.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_pstipple.h" #include "util/u_resource.h" /* Initialize an external atom (owned by ../radeon). */ static void si_init_external_atom(struct si_context *sctx, struct r600_atom *atom, struct r600_atom **list_elem) { atom->id = list_elem - sctx->atoms.array + 1; *list_elem = atom; } /* Initialize an atom owned by radeonsi. */ void si_init_atom(struct si_context *sctx, struct r600_atom *atom, struct r600_atom **list_elem, void (*emit_func)(struct si_context *ctx, struct r600_atom *state)) { atom->emit = (void*)emit_func; atom->id = list_elem - sctx->atoms.array + 1; /* index+1 in the atom array */ *list_elem = atom; } 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; } } static uint32_t S_FIXED(float value, uint32_t frac_bits) { return value * (1 << frac_bits); } /* 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 r600_atom *atom) { struct radeon_winsys_cs *cs = sctx->b.gfx.cs; struct si_state_blend *blend = sctx->queued.named.blend; uint32_t cb_target_mask, i; /* CB_COLORn_INFO.FORMAT=INVALID disables empty colorbuffer slots. */ if (blend) cb_target_mask = blend->cb_target_mask; else cb_target_mask = 0xffffffff; /* 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; radeon_set_context_reg(cs, R_028238_CB_TARGET_MASK, cb_target_mask); /* STONEY-specific register settings. */ if (sctx->b.family == CHIP_STONEY) { unsigned spi_shader_col_format = sctx->ps_shader.cso ? sctx->ps_shader.current->key.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 r600_surface *surf = (struct r600_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_0280A0_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_0280A0_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_0280A0_SWAP_STD || swap == V_0280A0_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; } } if (sctx->screen->b.debug_flags & DBG_NO_RB_PLUS) { sx_ps_downconvert = 0; sx_blend_opt_epsilon = 0; sx_blend_opt_control = 0; } radeon_set_context_reg_seq(cs, R_028754_SX_PS_DOWNCONVERT, 3); radeon_emit(cs, sx_ps_downconvert); /* R_028754_SX_PS_DOWNCONVERT */ radeon_emit(cs, sx_blend_opt_epsilon); /* R_028758_SX_BLEND_OPT_EPSILON */ radeon_emit(cs, sx_blend_opt_control); /* R_02875C_SX_BLEND_OPT_CONTROL */ } } /* * 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: R600_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: R600_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; } } /** * 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); 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(2) | S_028B70_ALPHA_TO_MASK_OFFSET1(2) | S_028B70_ALPHA_TO_MASK_OFFSET2(2) | S_028B70_ALPHA_TO_MASK_OFFSET3(2)); if (state->alpha_to_coverage) blend->need_src_alpha_4bit |= 0xf; blend->cb_target_mask = 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) 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"); continue; } if (!state->rt[j].colormask) continue; /* cb_render_state will disable unused ones */ blend->cb_target_mask |= (unsigned)state->rt[j].colormask << (4 * i); if (!state->rt[j].blend_enable) { si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); continue; } /* Blending optimizations for Stoney. * 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->b.family == CHIP_STONEY) { 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; si_pm4_bind_state(sctx, blend, (struct si_state_blend *)state); si_mark_atom_dirty(sctx, &sctx->cb_render_state); sctx->do_update_shaders = true; } 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; if (memcmp(&sctx->blend_color.state, state, sizeof(*state)) == 0) return; sctx->blend_color.state = *state; si_mark_atom_dirty(sctx, &sctx->blend_color.atom); } static void si_emit_blend_color(struct si_context *sctx, struct r600_atom *atom) { struct radeon_winsys_cs *cs = sctx->b.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; if (memcmp(&sctx->clip_state.state, state, sizeof(*state)) == 0) return; sctx->clip_state.state = *state; si_mark_atom_dirty(sctx, &sctx->clip_state.atom); 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 r600_atom *atom) { struct radeon_winsys_cs *cs = sctx->b.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); } #define SIX_BITS 0x3F static void si_emit_clip_regs(struct si_context *sctx, struct r600_atom *atom) { struct radeon_winsys_cs *cs = sctx->b.gfx.cs; struct tgsi_shader_info *info = si_get_vs_info(sctx); unsigned window_space = info->properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION]; unsigned clipdist_mask = info->writes_clipvertex ? SIX_BITS : info->clipdist_writemask; unsigned total_mask = clipdist_mask | (info->culldist_writemask << info->num_written_clipdistance); radeon_set_context_reg(cs, R_02881C_PA_CL_VS_OUT_CNTL, S_02881C_USE_VTX_POINT_SIZE(info->writes_psize) | S_02881C_USE_VTX_EDGE_FLAG(info->writes_edgeflag) | S_02881C_USE_VTX_RENDER_TARGET_INDX(info->writes_layer) | S_02881C_USE_VTX_VIEWPORT_INDX(info->writes_viewport_index) | S_02881C_VS_OUT_CCDIST0_VEC_ENA((total_mask & 0x0F) != 0) | S_02881C_VS_OUT_CCDIST1_VEC_ENA((total_mask & 0xF0) != 0) | S_02881C_VS_OUT_MISC_VEC_ENA(info->writes_psize || info->writes_edgeflag || info->writes_layer || info->writes_viewport_index) | S_02881C_VS_OUT_MISC_SIDE_BUS_ENA(1) | (sctx->queued.named.rasterizer->clip_plane_enable & clipdist_mask) | (info->culldist_writemask << 8)); radeon_set_context_reg(cs, R_028810_PA_CL_CLIP_CNTL, sctx->queued.named.rasterizer->pa_cl_clip_cntl | (clipdist_mask ? 0 : sctx->queued.named.rasterizer->clip_plane_enable & SIX_BITS) | S_028810_CLIP_DISABLE(window_space)); /* reuse needs to be set off if we write oViewport */ radeon_set_context_reg(cs, R_028AB4_VGT_REUSE_OFF, S_028AB4_REUSE_OFF(info->writes_viewport_index)); } /* * 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) return; 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_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->line_stipple_enable = state->line_stipple_enable; rs->poly_stipple_enable = state->poly_stipple_enable; rs->line_smooth = state->line_smooth; 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->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) | S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip) | 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(1) | 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 = 8192; } else { /* Force the point size to be as if the vertex output was disabled. */ psize_min = state->point_size; psize_max = state->point_size; } /* 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))); tmp = (unsigned)state->line_width * 8; si_pm4_set_reg(pm4, R_028A08_PA_SU_LINE_CNTL, S_028A08_WIDTH(tmp)); 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)); si_pm4_set_reg(pm4, R_028BE4_PA_SU_VTX_CNTL, S_028BE4_PIX_CENTER(state->half_pixel_center) | S_028BE4_QUANT_MODE(V_028BE4_X_16_8_FIXED_POINT_1_256TH)); 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))); si_pm4_set_reg(pm4, R_00B130_SPI_SHADER_USER_DATA_VS_0 + SI_SGPR_VS_STATE_BITS * 4, state->clamp_vertex_color); /* 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 (sctx->framebuffer.nr_samples > 1 && (!old_rs || old_rs->multisample_enable != rs->multisample_enable)) { si_mark_atom_dirty(sctx, &sctx->db_render_state); if (sctx->b.family >= CHIP_POLARIS10) si_mark_atom_dirty(sctx, &sctx->msaa_sample_locs.atom); } r600_viewport_set_rast_deps(&sctx->b, rs->scissor_enable, rs->clip_halfz); si_pm4_bind_state(sctx, rasterizer, rs); si_update_poly_offset_state(sctx); si_mark_atom_dirty(sctx, &sctx->clip_regs); 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; if (sctx->queued.named.rasterizer == state) si_pm4_bind_state(sctx, poly_offset, NULL); si_pm4_delete_state(sctx, rasterizer, (struct si_state_rasterizer *)state); } /* * infeered state between dsa and stencil ref */ static void si_emit_stencil_ref(struct si_context *sctx, struct r600_atom *atom) { struct radeon_winsys_cs *cs = sctx->b.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->stencil_ref.atom); } /* * 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: R600_ERR("Unknown stencil op %d", s_op); assert(0); break; } return 0; } static void *si_create_dsa_state(struct pipe_context *ctx, const struct pipe_depth_stencil_alpha_state *state) { 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); 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)); } 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 *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->stencil_ref.atom); } sctx->do_update_shaders = true; } 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.b.create_depth_stencil_alpha_state(&sctx->b.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->b.flags &= ~R600_CONTEXT_STOP_PIPELINE_STATS; sctx->b.flags |= R600_CONTEXT_START_PIPELINE_STATS; } else { sctx->b.flags &= ~R600_CONTEXT_START_PIPELINE_STATS; sctx->b.flags |= R600_CONTEXT_STOP_PIPELINE_STATS; } /* Occlusion queries. */ if (sctx->occlusion_queries_disabled != !enable) { sctx->occlusion_queries_disabled = !enable; si_mark_atom_dirty(sctx, &sctx->db_render_state); } } static void si_set_occlusion_query_state(struct pipe_context *ctx, bool enable) { struct si_context *sctx = (struct si_context*)ctx; si_mark_atom_dirty(sctx, &sctx->db_render_state); } static void si_emit_db_render_state(struct si_context *sctx, struct r600_atom *state) { struct radeon_winsys_cs *cs = sctx->b.gfx.cs; struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; unsigned db_shader_control; radeon_set_context_reg_seq(cs, R_028000_DB_RENDER_CONTROL, 2); /* DB_RENDER_CONTROL */ if (sctx->dbcb_depth_copy_enabled || sctx->dbcb_stencil_copy_enabled) { radeon_emit(cs, 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) { radeon_emit(cs, S_028000_DEPTH_COMPRESS_DISABLE(sctx->db_flush_depth_inplace) | S_028000_STENCIL_COMPRESS_DISABLE(sctx->db_flush_stencil_inplace)); } else { radeon_emit(cs, 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->b.num_occlusion_queries > 0 && !sctx->occlusion_queries_disabled) { bool perfect = sctx->b.num_perfect_occlusion_queries > 0; if (sctx->b.chip_class >= CIK) { radeon_emit(cs, S_028004_PERFECT_ZPASS_COUNTS(perfect) | S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples) | S_028004_ZPASS_ENABLE(1) | S_028004_SLICE_EVEN_ENABLE(1) | S_028004_SLICE_ODD_ENABLE(1)); } else { radeon_emit(cs, S_028004_PERFECT_ZPASS_COUNTS(perfect) | S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples)); } } else { /* Disable occlusion queries. */ if (sctx->b.chip_class >= CIK) { radeon_emit(cs, 0); } else { radeon_emit(cs, S_028004_ZPASS_INCREMENT_DISABLE(1)); } } /* DB_RENDER_OVERRIDE2 */ radeon_set_context_reg(cs, R_028010_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 = S_02880C_ALPHA_TO_MASK_DISABLE(sctx->framebuffer.cb0_is_integer) | sctx->ps_db_shader_control; /* Bug workaround for smoothing (overrasterization) on SI. */ if (sctx->b.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 (sctx->framebuffer.nr_samples <= 1 || (rs && !rs->multisample_enable)) db_shader_control &= C_02880C_MASK_EXPORT_ENABLE; if (sctx->b.family == CHIP_STONEY && sctx->screen->b.debug_flags & DBG_NO_RB_PLUS) db_shader_control |= S_02880C_DUAL_QUAD_DISABLE(1); radeon_set_context_reg(cs, R_02880C_DB_SHADER_CONTROL, db_shader_control); } /* * format translation */ static uint32_t si_translate_colorformat(enum pipe_format format) { const struct util_format_description *desc = util_format_description(format); #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(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 enable_compressed_formats = (sscreen->b.info.drm_major == 2 && sscreen->b.info.drm_minor >= 31) || sscreen->b.info.drm_major == 3; 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_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_S8X24_UINT: 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 (!enable_compressed_formats) 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->b.family == CHIP_STONEY) { 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 (!enable_compressed_formats) 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 (!enable_compressed_formats) goto out_unknown; if (!util_format_s3tc_enabled) { 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 == 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: /* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */ 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(unsigned res_target, unsigned view_target, unsigned nr_samples) { 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; 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) { return si_translate_texformat(screen, format, util_format_description(format), 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) { unsigned type; int i; if (desc->format == PIPE_FORMAT_R11G11B10_FLOAT) return V_008F0C_BUF_DATA_FORMAT_10_11_11; assert(first_non_void >= 0); type = desc->channel[first_non_void].type; if (type == UTIL_FORMAT_TYPE_FIXED) return V_008F0C_BUF_DATA_FORMAT_INVALID; 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: return V_008F0C_BUF_DATA_FORMAT_8; case 2: return V_008F0C_BUF_DATA_FORMAT_8_8; case 3: case 4: return V_008F0C_BUF_DATA_FORMAT_8_8_8_8; } break; case 16: switch (desc->nr_channels) { case 1: return V_008F0C_BUF_DATA_FORMAT_16; case 2: return V_008F0C_BUF_DATA_FORMAT_16_16; case 3: case 4: return V_008F0C_BUF_DATA_FORMAT_16_16_16_16; } break; case 32: /* From the Southern Islands ISA documentation about MTBUF: * 'Memory reads of data in memory that is 32 or 64 bits do not * undergo any format conversion.' */ if (type != UTIL_FORMAT_TYPE_FLOAT && !desc->channel[first_non_void].pure_integer) return V_008F0C_BUF_DATA_FORMAT_INVALID; 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; } 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: if (desc->channel[first_non_void].normalized) return V_008F0C_BUF_NUM_FORMAT_SNORM; else if (desc->channel[first_non_void].pure_integer) return V_008F0C_BUF_NUM_FORMAT_SINT; else return V_008F0C_BUF_NUM_FORMAT_SSCALED; break; case UTIL_FORMAT_TYPE_UNSIGNED: if (desc->channel[first_non_void].normalized) return V_008F0C_BUF_NUM_FORMAT_UNORM; else if (desc->channel[first_non_void].pure_integer) return V_008F0C_BUF_NUM_FORMAT_UINT; else return V_008F0C_BUF_NUM_FORMAT_USCALED; break; case UTIL_FORMAT_TYPE_FLOAT: default: return V_008F0C_BUF_NUM_FORMAT_FLOAT; } } static bool si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format) { const struct util_format_description *desc; int first_non_void; unsigned data_format; desc = util_format_description(format); first_non_void = util_format_get_first_non_void_channel(format); data_format = si_translate_buffer_dataformat(screen, desc, first_non_void); return data_format != V_008F0C_BUF_DATA_FORMAT_INVALID; } static bool si_is_colorbuffer_format_supported(enum pipe_format format) { return si_translate_colorformat(format) != V_028C70_COLOR_INVALID && r600_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 usage) { unsigned retval = 0; if (target >= PIPE_MAX_TEXTURE_TYPES) { R600_ERR("r600: unsupported texture type %d\n", target); return false; } if (!util_format_is_supported(format, usage)) 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; switch (sample_count) { case 2: case 4: case 8: break; case 16: if (format == PIPE_FORMAT_NONE) return true; else return false; default: return false; } } if (usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_SHADER_IMAGE)) { if (target == PIPE_BUFFER) { if (si_is_vertex_format_supported(screen, format)) retval |= 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) && si_is_vertex_format_supported(screen, format)) { retval |= 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 r600_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 Stoney/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 r600_surface *surf) { struct r600_texture *rtex = (struct r600_texture*)surf->base.texture; unsigned color_info, color_attrib, color_view; unsigned format, swap, ntype, endian; const struct util_format_description *desc; int i; unsigned blend_clamp = 0, blend_bypass = 0; color_view = S_028C6C_SLICE_START(surf->base.u.tex.first_layer) | S_028C6C_SLICE_MAX(surf->base.u.tex.last_layer); desc = util_format_description(surf->base.format); for (i = 0; i < 4; i++) { if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { break; } } if (i == 4 || desc->channel[i].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[i].type == UTIL_FORMAT_TYPE_SIGNED) { if (desc->channel[i].pure_integer) { ntype = V_028C70_NUMBER_SINT; } else { assert(desc->channel[i].normalized); ntype = V_028C70_NUMBER_SNORM; } } else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) { if (desc->channel[i].pure_integer) { ntype = V_028C70_NUMBER_UINT; } else { assert(desc->channel[i].normalized); ntype = V_028C70_NUMBER_UNORM; } } } format = si_translate_colorformat(surf->base.format); if (format == V_028C70_COLOR_INVALID) { R600_ERR("Invalid CB format: %d, disabling CB.\n", surf->base.format); } assert(format != V_028C70_COLOR_INVALID); swap = r600_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) && (format == V_028C70_COLOR_8 || format == V_028C70_COLOR_8_8 || format == V_028C70_COLOR_8_8_8_8)) surf->color_is_int8 = 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 (rtex->resource.b.b.nr_samples > 1) { unsigned log_samples = util_logbase2(rtex->resource.b.b.nr_samples); color_attrib |= S_028C74_NUM_SAMPLES(log_samples) | S_028C74_NUM_FRAGMENTS(log_samples); if (rtex->fmask.size) { color_info |= S_028C70_COMPRESSION(1); unsigned fmask_bankh = util_logbase2(rtex->fmask.bank_height); if (sctx->b.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); } } } surf->cb_color_view = color_view; surf->cb_color_info = color_info; surf->cb_color_attrib = color_attrib; if (sctx->b.chip_class >= VI) { unsigned max_uncompressed_block_size = 2; if (rtex->surface.nsamples > 1) { if (rtex->surface.bpe == 1) max_uncompressed_block_size = 0; else if (rtex->surface.bpe == 2) max_uncompressed_block_size = 1; } surf->cb_dcc_control = S_028C78_MAX_UNCOMPRESSED_BLOCK_SIZE(max_uncompressed_block_size) | S_028C78_INDEPENDENT_64B_BLOCKS(1); } /* This must be set for fast clear to work without FMASK. */ if (!rtex->fmask.size && sctx->b.chip_class == SI) { unsigned bankh = util_logbase2(rtex->surface.bankh); surf->cb_color_attrib |= S_028C74_FMASK_BANK_HEIGHT(bankh); } /* Determine pixel shader export format */ si_choose_spi_color_formats(surf, format, swap, ntype, rtex->is_depth); surf->color_initialized = true; } static void si_init_depth_surface(struct si_context *sctx, struct r600_surface *surf) { struct r600_texture *rtex = (struct r600_texture*)surf->base.texture; unsigned level = surf->base.u.tex.level; struct radeon_surf_level *levelinfo = &rtex->surface.level[level]; unsigned format; uint32_t z_info, s_info, db_depth_info; uint64_t z_offs, s_offs; uint32_t db_htile_data_base, db_htile_surface; format = si_translate_dbformat(rtex->resource.b.b.format); if (format == V_028040_Z_INVALID) { R600_ERR("Invalid DB format: %d, disabling DB.\n", rtex->resource.b.b.format); } assert(format != V_028040_Z_INVALID); s_offs = z_offs = rtex->resource.gpu_address; z_offs += rtex->surface.level[level].offset; s_offs += rtex->surface.stencil_level[level].offset; db_depth_info = S_02803C_ADDR5_SWIZZLE_MASK(1); z_info = S_028040_FORMAT(format); if (rtex->resource.b.b.nr_samples > 1) { z_info |= S_028040_NUM_SAMPLES(util_logbase2(rtex->resource.b.b.nr_samples)); } if (rtex->surface.flags & RADEON_SURF_SBUFFER) s_info = S_028044_FORMAT(V_028044_STENCIL_8); else s_info = S_028044_FORMAT(V_028044_STENCIL_INVALID); if (sctx->b.chip_class >= CIK) { struct radeon_info *info = &sctx->screen->b.info; unsigned index = rtex->surface.tiling_index[level]; unsigned stencil_index = rtex->surface.stencil_tiling_index[level]; unsigned macro_index = rtex->surface.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]; 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(rtex, level, false); z_info |= S_028040_TILE_MODE_INDEX(tile_mode_index); tile_mode_index = si_tile_mode_index(rtex, level, true); s_info |= S_028044_TILE_MODE_INDEX(tile_mode_index); } /* HiZ aka depth buffer htile */ /* use htile only for first level */ if (rtex->htile_buffer && !level) { z_info |= S_028040_TILE_SURFACE_ENABLE(1) | S_028040_ALLOW_EXPCLEAR(1); if (rtex->surface.flags & RADEON_SURF_SBUFFER) { /* 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 (rtex->resource.b.b.nr_samples <= 1) s_info |= S_028044_ALLOW_EXPCLEAR(1); } else /* Use all of the htile_buffer for depth if there's no stencil. */ s_info |= S_028044_TILE_STENCIL_DISABLE(1); uint64_t va = rtex->htile_buffer->gpu_address; db_htile_data_base = va >> 8; db_htile_surface = S_028ABC_FULL_CACHE(1); } else { db_htile_data_base = 0; db_htile_surface = 0; } assert(levelinfo->nblk_x % 8 == 0 && levelinfo->nblk_y % 8 == 0); 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 = db_htile_data_base; surf->db_depth_info = db_depth_info; surf->db_z_info = z_info; surf->db_stencil_info = s_info; surf->db_depth_base = z_offs >> 8; surf->db_stencil_base = s_offs >> 8; 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); surf->db_htile_surface = db_htile_surface; surf->depth_initialized = true; } static void si_dec_framebuffer_counters(const struct pipe_framebuffer_state *state) { for (int i = 0; i < state->nr_cbufs; ++i) { struct r600_surface *surf = NULL; struct r600_texture *rtex; if (!state->cbufs[i]) continue; surf = (struct r600_surface*)state->cbufs[i]; rtex = (struct r600_texture*)surf->base.texture; p_atomic_dec(&rtex->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 pipe_constant_buffer constbuf = {0}; struct r600_surface *surf = NULL; struct r600_texture *rtex; bool old_cb0_is_integer = sctx->framebuffer.cb0_is_integer; bool old_any_dst_linear = sctx->framebuffer.any_dst_linear; unsigned old_nr_samples = sctx->framebuffer.nr_samples; int i; for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) { if (!sctx->framebuffer.state.cbufs[i]) continue; rtex = (struct r600_texture*)sctx->framebuffer.state.cbufs[i]->texture; if (rtex->dcc_gather_statistics) vi_separate_dcc_stop_query(ctx, rtex); } /* Only flush TC when changing the framebuffer state, because * the only client not using TC that can change textures is * the framebuffer. * * Flush all CB and DB caches here because all buffers can be used * for write by both TC (with shader image stores) and CB/DB. */ sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 | SI_CONTEXT_INV_GLOBAL_L2 | SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER | SI_CONTEXT_CS_PARTIAL_FLUSH; /* 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.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.compressed_cb_mask = 0; sctx->framebuffer.nr_samples = util_framebuffer_get_num_samples(state); sctx->framebuffer.log_samples = util_logbase2(sctx->framebuffer.nr_samples); sctx->framebuffer.cb0_is_integer = state->nr_cbufs && state->cbufs[0] && util_format_is_pure_integer(state->cbufs[0]->format); sctx->framebuffer.any_dst_linear = false; if (sctx->framebuffer.cb0_is_integer != old_cb0_is_integer) si_mark_atom_dirty(sctx, &sctx->db_render_state); for (i = 0; i < state->nr_cbufs; i++) { if (!state->cbufs[i]) continue; surf = (struct r600_surface*)state->cbufs[i]; rtex = (struct r600_texture*)surf->base.texture; if (!surf->color_initialized) { si_initialize_color_surface(sctx, surf); } 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 (rtex->fmask.size && rtex->cmask.size) { sctx->framebuffer.compressed_cb_mask |= 1 << i; } if (surf->level_info->mode == RADEON_SURF_MODE_LINEAR_ALIGNED) sctx->framebuffer.any_dst_linear = true; r600_context_add_resource_size(ctx, surf->base.texture); p_atomic_inc(&rtex->framebuffers_bound); if (rtex->dcc_gather_statistics) { /* Dirty tracking must be enabled for DCC usage analysis. */ sctx->framebuffer.compressed_cb_mask |= 1 << i; vi_separate_dcc_start_query(ctx, rtex); } } if (state->zsbuf) { surf = (struct r600_surface*)state->zsbuf; if (!surf->depth_initialized) { si_init_depth_surface(sctx, surf); } r600_context_add_resource_size(ctx, surf->base.texture); } si_update_poly_offset_state(sctx); si_mark_atom_dirty(sctx, &sctx->cb_render_state); si_mark_atom_dirty(sctx, &sctx->framebuffer.atom); if (sctx->framebuffer.any_dst_linear != old_any_dst_linear) si_mark_atom_dirty(sctx, &sctx->msaa_config); if (sctx->framebuffer.nr_samples != old_nr_samples) { si_mark_atom_dirty(sctx, &sctx->msaa_config); si_mark_atom_dirty(sctx, &sctx->db_render_state); /* Set sample locations as fragment shader constants. */ switch (sctx->framebuffer.nr_samples) { case 1: constbuf.user_buffer = sctx->b.sample_locations_1x; break; case 2: constbuf.user_buffer = sctx->b.sample_locations_2x; break; case 4: constbuf.user_buffer = sctx->b.sample_locations_4x; break; case 8: constbuf.user_buffer = sctx->b.sample_locations_8x; break; case 16: constbuf.user_buffer = sctx->b.sample_locations_16x; break; default: R600_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->msaa_sample_locs.atom); } sctx->need_check_render_feedback = true; sctx->do_update_shaders = true; } static void si_emit_framebuffer_state(struct si_context *sctx, struct r600_atom *atom) { struct radeon_winsys_cs *cs = sctx->b.gfx.cs; struct pipe_framebuffer_state *state = &sctx->framebuffer.state; unsigned i, nr_cbufs = state->nr_cbufs; struct r600_texture *tex = NULL; struct r600_surface *cb = NULL; unsigned cb_color_info = 0; /* Colorbuffers. */ for (i = 0; i < nr_cbufs; i++) { unsigned pitch_tile_max, slice_tile_max, tile_mode_index; unsigned cb_color_base, cb_color_fmask, cb_color_attrib; unsigned cb_color_pitch, cb_color_slice, cb_color_fmask_slice; if (!(sctx->framebuffer.dirty_cbufs & (1 << i))) continue; cb = (struct r600_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 r600_texture *)cb->base.texture; radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, &tex->resource, RADEON_USAGE_READWRITE, tex->surface.nsamples > 1 ? RADEON_PRIO_COLOR_BUFFER_MSAA : RADEON_PRIO_COLOR_BUFFER); if (tex->cmask_buffer && tex->cmask_buffer != &tex->resource) { radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, tex->cmask_buffer, RADEON_USAGE_READWRITE, RADEON_PRIO_CMASK); } if (tex->dcc_separate_buffer) radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, tex->dcc_separate_buffer, RADEON_USAGE_READWRITE, RADEON_PRIO_DCC); /* Compute mutable surface parameters. */ pitch_tile_max = cb->level_info->nblk_x / 8 - 1; slice_tile_max = cb->level_info->nblk_x * cb->level_info->nblk_y / 64 - 1; tile_mode_index = si_tile_mode_index(tex, cb->base.u.tex.level, false); cb_color_base = (tex->resource.gpu_address + cb->level_info->offset) >> 8; cb_color_pitch = S_028C64_TILE_MAX(pitch_tile_max); cb_color_slice = S_028C68_TILE_MAX(slice_tile_max); cb_color_attrib = cb->cb_color_attrib | S_028C74_TILE_MODE_INDEX(tile_mode_index); if (tex->fmask.size) { if (sctx->b.chip_class >= CIK) cb_color_pitch |= S_028C64_FMASK_TILE_MAX(tex->fmask.pitch_in_pixels / 8 - 1); cb_color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(tex->fmask.tile_mode_index); cb_color_fmask = (tex->resource.gpu_address + tex->fmask.offset) >> 8; cb_color_fmask_slice = S_028C88_TILE_MAX(tex->fmask.slice_tile_max); } else { /* This must be set for fast clear to work without FMASK. */ if (sctx->b.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 = cb_color_base; cb_color_fmask_slice = S_028C88_TILE_MAX(slice_tile_max); } cb_color_info = cb->cb_color_info | tex->cb_color_info; if (tex->dcc_offset && cb->level_info->dcc_enabled) { 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); } radeon_set_context_reg_seq(cs, R_028C60_CB_COLOR0_BASE + i * 0x3C, sctx->b.chip_class >= VI ? 14 : 13); radeon_emit(cs, cb_color_base); /* R_028C60_CB_COLOR0_BASE */ radeon_emit(cs, cb_color_pitch); /* R_028C64_CB_COLOR0_PITCH */ radeon_emit(cs, cb_color_slice); /* R_028C68_CB_COLOR0_SLICE */ radeon_emit(cs, cb->cb_color_view); /* R_028C6C_CB_COLOR0_VIEW */ radeon_emit(cs, cb_color_info); /* R_028C70_CB_COLOR0_INFO */ radeon_emit(cs, cb_color_attrib); /* R_028C74_CB_COLOR0_ATTRIB */ radeon_emit(cs, cb->cb_dcc_control); /* R_028C78_CB_COLOR0_DCC_CONTROL */ radeon_emit(cs, tex->cmask.base_address_reg); /* R_028C7C_CB_COLOR0_CMASK */ radeon_emit(cs, tex->cmask.slice_tile_max); /* R_028C80_CB_COLOR0_CMASK_SLICE */ radeon_emit(cs, cb_color_fmask); /* R_028C84_CB_COLOR0_FMASK */ radeon_emit(cs, cb_color_fmask_slice); /* R_028C88_CB_COLOR0_FMASK_SLICE */ radeon_emit(cs, tex->color_clear_value[0]); /* R_028C8C_CB_COLOR0_CLEAR_WORD0 */ radeon_emit(cs, tex->color_clear_value[1]); /* R_028C90_CB_COLOR0_CLEAR_WORD1 */ if (sctx->b.chip_class >= VI) /* R_028C94_CB_COLOR0_DCC_BASE */ radeon_emit(cs, ((!tex->dcc_separate_buffer ? tex->resource.gpu_address : 0) + tex->dcc_offset + tex->surface.level[cb->base.u.tex.level].dcc_offset) >> 8); } 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 r600_surface *zb = (struct r600_surface*)state->zsbuf; struct r600_texture *rtex = (struct r600_texture*)zb->base.texture; radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, &rtex->resource, RADEON_USAGE_READWRITE, zb->base.texture->nr_samples > 1 ? RADEON_PRIO_DEPTH_BUFFER_MSAA : RADEON_PRIO_DEPTH_BUFFER); if (zb->db_htile_data_base) { radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, rtex->htile_buffer, RADEON_USAGE_READWRITE, RADEON_PRIO_HTILE); } radeon_set_context_reg(cs, R_028008_DB_DEPTH_VIEW, zb->db_depth_view); 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); /* R_02803C_DB_DEPTH_INFO */ radeon_emit(cs, zb->db_z_info | /* R_028040_DB_Z_INFO */ S_028040_ZRANGE_PRECISION(rtex->depth_clear_value != 0)); radeon_emit(cs, zb->db_stencil_info); /* R_028044_DB_STENCIL_INFO */ radeon_emit(cs, zb->db_depth_base); /* R_028048_DB_Z_READ_BASE */ radeon_emit(cs, zb->db_stencil_base); /* R_02804C_DB_STENCIL_READ_BASE */ radeon_emit(cs, zb->db_depth_base); /* R_028050_DB_Z_WRITE_BASE */ radeon_emit(cs, zb->db_stencil_base); /* R_028054_DB_STENCIL_WRITE_BASE */ radeon_emit(cs, zb->db_depth_size); /* R_028058_DB_DEPTH_SIZE */ radeon_emit(cs, zb->db_depth_slice); /* R_02805C_DB_DEPTH_SLICE */ radeon_set_context_reg_seq(cs, R_028028_DB_STENCIL_CLEAR, 2); radeon_emit(cs, rtex->stencil_clear_value); /* R_028028_DB_STENCIL_CLEAR */ radeon_emit(cs, fui(rtex->depth_clear_value)); /* R_02802C_DB_DEPTH_CLEAR */ radeon_set_context_reg(cs, R_028ABC_DB_HTILE_SURFACE, zb->db_htile_surface); } else if (sctx->framebuffer.dirty_zsbuf) { radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 2); radeon_emit(cs, S_028040_FORMAT(V_028040_Z_INVALID)); /* R_028040_DB_Z_INFO */ radeon_emit(cs, S_028044_FORMAT(V_028044_STENCIL_INVALID)); /* R_028044_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)); sctx->framebuffer.dirty_cbufs = 0; sctx->framebuffer.dirty_zsbuf = false; } static void si_emit_msaa_sample_locs(struct si_context *sctx, struct r600_atom *atom) { struct radeon_winsys_cs *cs = sctx->b.gfx.cs; unsigned nr_samples = sctx->framebuffer.nr_samples; /* 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 > 1 || sctx->b.family >= CHIP_POLARIS10) && (nr_samples != sctx->msaa_sample_locs.nr_samples)) { sctx->msaa_sample_locs.nr_samples = nr_samples; cayman_emit_msaa_sample_locs(cs, nr_samples); } if (sctx->b.family >= CHIP_POLARIS10) { struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; unsigned small_prim_filter_cntl = S_028830_SMALL_PRIM_FILTER_ENABLE(1) | S_028830_LINE_FILTER_DISABLE(1); /* line bug */ /* 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 (sctx->framebuffer.nr_samples > 1 && rs && !rs->multisample_enable) small_prim_filter_cntl &= C_028830_SMALL_PRIM_FILTER_ENABLE; radeon_set_context_reg(cs, R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL, small_prim_filter_cntl); } } static void si_emit_msaa_config(struct si_context *sctx, struct r600_atom *atom) { struct radeon_winsys_cs *cs = sctx->b.gfx.cs; unsigned num_tile_pipes = sctx->screen->b.info.num_tile_pipes; /* 33% faster rendering to linear color buffers */ bool dst_is_linear = sctx->framebuffer.any_dst_linear; 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) | /* 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); cayman_emit_msaa_config(cs, sctx->framebuffer.nr_samples, sctx->ps_iter_samples, sctx->smoothing_enabled ? SI_NUM_SMOOTH_AA_SAMPLES : 0, sc_mode_cntl_1); } static void si_set_min_samples(struct pipe_context *ctx, unsigned min_samples) { struct si_context *sctx = (struct si_context *)ctx; if (sctx->ps_iter_samples == min_samples) return; sctx->ps_iter_samples = min_samples; sctx->do_update_shaders = true; if (sctx->framebuffer.nr_samples > 1) si_mark_atom_dirty(sctx, &sctx->msaa_config); } /* * 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 r600_resource *buf, enum pipe_format format, unsigned offset, unsigned size, uint32_t *state) { const struct util_format_description *desc; int first_non_void; uint64_t va; 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; va = buf->gpu_address + offset; num_format = si_translate_buffer_numformat(&screen->b.b, desc, first_non_void); data_format = si_translate_buffer_dataformat(&screen->b.b, desc, first_non_void); num_records = size / stride; num_records = MIN2(num_records, (buf->b.b.width0 - offset) / stride); if (screen->b.chip_class >= VI) num_records *= stride; state[4] = va; state[5] = S_008F04_BASE_ADDRESS_HI(va >> 32) | 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); } /** * Build the sampler view descriptor for a texture. */ void si_make_texture_descriptor(struct si_screen *screen, struct r600_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->resource.b.b; const struct util_format_description *desc; unsigned char swizzle[4]; int first_non_void; unsigned num_format, data_format, type; uint64_t va; desc = util_format_description(pipe_format); 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}; switch (pipe_format) { case PIPE_FORMAT_S8_UINT_Z24_UNORM: case PIPE_FORMAT_X24S8_UINT: case PIPE_FORMAT_X32_S8X24_UINT: case PIPE_FORMAT_X8Z24_UNORM: 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.b, pipe_format, desc, first_non_void); if (data_format == ~0) { data_format = 0; } if (!sampler && (res->target == PIPE_TEXTURE_CUBE || res->target == PIPE_TEXTURE_CUBE_ARRAY || 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(res->target, target, res->nr_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(data_format) | S_008F14_NUM_FORMAT(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(res->nr_samples > 1 ? 0 : first_level) | S_008F1C_LAST_LEVEL(res->nr_samples > 1 ? util_logbase2(res->nr_samples) : last_level) | S_008F1C_POW2_PAD(res->last_level > 0) | S_008F1C_TYPE(type)); state[4] = S_008F20_DEPTH(depth - 1); state[5] = (S_008F24_BASE_ARRAY(first_layer) | S_008F24_LAST_ARRAY(last_layer)); state[6] = 0; state[7] = 0; if (tex->dcc_offset) { unsigned swap = r600_translate_colorswap(pipe_format, false); state[6] = S_008F28_ALPHA_IS_ON_MSB(swap <= 1); } else { /* The last dword is unused by hw. The shader uses it to clear * bits in the first dword of sampler state. */ if (screen->b.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->fmask.size) { uint32_t fmask_format; va = tex->resource.gpu_address + tex->fmask.offset; switch (res->nr_samples) { case 2: fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S2_F2; break; case 4: fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F4; break; case 8: fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK32_S8_F8; break; default: assert(0); fmask_format = V_008F14_IMG_DATA_FORMAT_INVALID; } fmask_state[0] = va >> 8; fmask_state[1] = S_008F14_BASE_ADDRESS_HI(va >> 40) | S_008F14_DATA_FORMAT(fmask_format) | S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_UINT); 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_TILING_INDEX(tex->fmask.tile_mode_index) | S_008F1C_TYPE(si_tex_dim(res->target, target, 0)); fmask_state[4] = S_008F20_DEPTH(depth - 1) | S_008F20_PITCH(tex->fmask.pitch_in_pixels - 1); fmask_state[5] = S_008F24_BASE_ARRAY(first_layer) | S_008F24_LAST_ARRAY(last_layer); fmask_state[6] = 0; fmask_state[7] = 0; } } /** * 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 r600_texture *tmp = (struct r600_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 radeon_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; /* NULL resource, obey swizzle (only ZERO and ONE make sense). */ if (!texture) { view->state[3] = S_008F1C_DST_SEL_X(si_map_swizzle(state->swizzle_r)) | S_008F1C_DST_SEL_Y(si_map_swizzle(state->swizzle_g)) | S_008F1C_DST_SEL_Z(si_map_swizzle(state->swizzle_b)) | S_008F1C_DST_SEL_W(si_map_swizzle(state->swizzle_a)) | S_008F1C_TYPE(V_008F1C_SQ_RSRC_IMG_1D); return &view->base; } 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, (struct r600_resource *)texture, state->format, state->u.buf.offset, state->u.buf.size, view->state); LIST_ADDTAIL(&view->list, &sctx->b.texture_buffers); 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 (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 (tmp->is_depth && !r600_can_sample_zs(tmp, view->is_stencil_sampler)) { if (!tmp->flushed_depth_texture && !r600_init_flushed_depth_texture(ctx, texture, NULL)) { pipe_resource_reference(&view->base.texture, NULL); FREE(view); return NULL; } assert(tmp->flushed_depth_texture); /* Override format for the case where the flushed texture * contains only Z or only S. */ if (tmp->flushed_depth_texture->resource.b.b.format != tmp->resource.b.b.format) pipe_format = tmp->flushed_depth_texture->resource.b.b.format; tmp = tmp->flushed_depth_texture; } surflevel = tmp->surface.level; if (tmp->db_compatible) { 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 = tmp->surface.stencil_level; break; default:; } } vi_dcc_disable_if_incompatible_format(&sctx->b, texture, state->u.tex.first_level, state->format); si_make_texture_descriptor(sctx->screen, tmp, 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); 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; if (state->texture && state->texture->target == PIPE_BUFFER) LIST_DELINIT(&view->list); 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 bool sampler_state_needs_border_color(const struct pipe_sampler_state *state) { bool linear_filter = state->min_img_filter != PIPE_TEX_FILTER_NEAREST || state->mag_img_filter != PIPE_TEX_FILTER_NEAREST; return (state->border_color.ui[0] || state->border_color.ui[1] || state->border_color.ui[2] || state->border_color.ui[3]) && (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)); } 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 r600_common_screen *rscreen = sctx->b.screen; struct si_sampler_state *rstate = CALLOC_STRUCT(si_sampler_state); unsigned border_color_type, border_color_index = 0; unsigned max_aniso = rscreen->force_aniso >= 0 ? rscreen->force_aniso : state->max_anisotropy; unsigned max_aniso_ratio = r600_tex_aniso_filter(max_aniso); if (!rstate) { return NULL; } if (!sampler_state_needs_border_color(state)) border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK; else if (state->border_color.f[0] == 0 && state->border_color.f[1] == 0 && state->border_color.f[2] == 0 && state->border_color.f[3] == 0) border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK; else if (state->border_color.f[0] == 0 && state->border_color.f[1] == 0 && state->border_color.f[2] == 0 && state->border_color.f[3] == 1) border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_BLACK; else if (state->border_color.f[0] == 1 && state->border_color.f[1] == 1 && state->border_color.f[2] == 1 && state->border_color.f[3] == 1) border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_WHITE; else { int i; border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER; /* Check if the border has been uploaded already. */ for (i = 0; i < sctx->border_color_count; i++) if (memcmp(&sctx->border_color_table[i], &state->border_color, sizeof(state->border_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"); border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK; } else { if (i == sctx->border_color_count) { /* Upload a new border color. */ memcpy(&sctx->border_color_table[i], &state->border_color, sizeof(state->border_color)); util_memcpy_cpu_to_le32(&sctx->border_color_map[i], &state->border_color, sizeof(state->border_color)); sctx->border_color_count++; } border_color_index = i; } } 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->b.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(eg_tex_filter(state->mag_img_filter, max_aniso)) | S_008F38_XY_MIN_FILTER(eg_tex_filter(state->min_img_filter, max_aniso)) | S_008F38_MIP_FILTER(si_tex_mipfilter(state->min_mip_filter)) | S_008F38_MIP_POINT_PRECLAMP(1) | S_008F38_DISABLE_LSB_CEIL(1) | S_008F38_FILTER_PREC_FIX(1) | S_008F38_ANISO_OVERRIDE(sctx->b.chip_class >= VI)); rstate->val[3] = S_008F3C_BORDER_COLOR_PTR(border_color_index) | S_008F3C_BORDER_COLOR_TYPE(border_color_type); 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.sample_mask == (uint16_t)sample_mask) return; sctx->sample_mask.sample_mask = sample_mask; si_mark_atom_dirty(sctx, &sctx->sample_mask.atom); } static void si_emit_sample_mask(struct si_context *sctx, struct r600_atom *atom) { struct radeon_winsys_cs *cs = sctx->b.gfx.cs; unsigned mask = sctx->sample_mask.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) { free(state); } /* * Vertex elements & buffers */ static void *si_create_vertex_elements(struct pipe_context *ctx, unsigned count, const struct pipe_vertex_element *elements) { struct si_vertex_element *v = CALLOC_STRUCT(si_vertex_element); int i; assert(count <= SI_MAX_ATTRIBS); if (!v) return NULL; v->count = count; for (i = 0; i < count; ++i) { const struct util_format_description *desc; unsigned data_format, num_format; int first_non_void; 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); v->rsrc_word3[i] = 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); v->format_size[i] = desc->block.bits / 8; } memcpy(v->elements, elements, sizeof(struct pipe_vertex_element) * count); 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_element *v = (struct si_vertex_element*)state; sctx->vertex_elements = v; sctx->vertex_buffers_dirty = true; sctx->do_update_shaders = true; } static void si_delete_vertex_element(struct pipe_context *ctx, void *state) { struct si_context *sctx = (struct si_context *)ctx; if (sctx->vertex_elements == state) sctx->vertex_elements = 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; pipe_resource_reference(&dsti->buffer, src->buffer); dsti->buffer_offset = src->buffer_offset; dsti->stride = src->stride; r600_context_add_resource_size(ctx, src->buffer); } } else { for (i = 0; i < count; i++) { pipe_resource_reference(&dst[i].buffer, NULL); } } sctx->vertex_buffers_dirty = true; } static void si_set_index_buffer(struct pipe_context *ctx, const struct pipe_index_buffer *ib) { struct si_context *sctx = (struct si_context *)ctx; if (ib) { pipe_resource_reference(&sctx->index_buffer.buffer, ib->buffer); memcpy(&sctx->index_buffer, ib, sizeof(*ib)); r600_context_add_resource_size(ctx, ib->buffer); } else { pipe_resource_reference(&sctx->index_buffer.buffer, NULL); } } /* * 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 r600_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) { struct si_context *sctx = (struct si_context *)ctx; sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 | SI_CONTEXT_INV_GLOBAL_L2 | SI_CONTEXT_FLUSH_AND_INV_CB | SI_CONTEXT_CS_PARTIAL_FLUSH; } static void si_memory_barrier(struct pipe_context *ctx, unsigned flags) { struct si_context *sctx = (struct si_context *)ctx; /* Subsequent commands must wait for all shader invocations to * complete. */ sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH | SI_CONTEXT_CS_PARTIAL_FLUSH; if (flags & PIPE_BARRIER_CONSTANT_BUFFER) sctx->b.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->b.flags |= SI_CONTEXT_INV_VMEM_L1; } if (flags & PIPE_BARRIER_INDEX_BUFFER) { sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1; /* Indices are read through TC L2 since VI. */ if (sctx->screen->b.chip_class <= CIK) sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2; } if (flags & PIPE_BARRIER_FRAMEBUFFER) sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER; if (flags & (PIPE_BARRIER_MAPPED_BUFFER | PIPE_BARRIER_FRAMEBUFFER | PIPE_BARRIER_INDIRECT_BUFFER)) { /* Not sure if INV_GLOBAL_L2 is the best thing here. * * We need to make sure that TC L1 & L2 are written back to * memory, because neither CPU accesses nor CB fetches consider * TC, but there's no need to invalidate any TC cache lines. */ sctx->b.flags |= SI_CONTEXT_INV_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.b, &blend, mode); } static void si_need_gfx_cs_space(struct pipe_context *ctx, unsigned num_dw, bool include_draw_vbo) { si_need_cs_space((struct si_context*)ctx); } static void si_init_config(struct si_context *sctx); void si_init_state_functions(struct si_context *sctx) { si_init_external_atom(sctx, &sctx->b.render_cond_atom, &sctx->atoms.s.render_cond); si_init_external_atom(sctx, &sctx->b.streamout.begin_atom, &sctx->atoms.s.streamout_begin); si_init_external_atom(sctx, &sctx->b.streamout.enable_atom, &sctx->atoms.s.streamout_enable); si_init_external_atom(sctx, &sctx->b.scissors.atom, &sctx->atoms.s.scissors); si_init_external_atom(sctx, &sctx->b.viewports.atom, &sctx->atoms.s.viewports); si_init_atom(sctx, &sctx->framebuffer.atom, &sctx->atoms.s.framebuffer, si_emit_framebuffer_state); si_init_atom(sctx, &sctx->msaa_sample_locs.atom, &sctx->atoms.s.msaa_sample_locs, si_emit_msaa_sample_locs); si_init_atom(sctx, &sctx->db_render_state, &sctx->atoms.s.db_render_state, si_emit_db_render_state); si_init_atom(sctx, &sctx->msaa_config, &sctx->atoms.s.msaa_config, si_emit_msaa_config); si_init_atom(sctx, &sctx->sample_mask.atom, &sctx->atoms.s.sample_mask, si_emit_sample_mask); si_init_atom(sctx, &sctx->cb_render_state, &sctx->atoms.s.cb_render_state, si_emit_cb_render_state); si_init_atom(sctx, &sctx->blend_color.atom, &sctx->atoms.s.blend_color, si_emit_blend_color); si_init_atom(sctx, &sctx->clip_regs, &sctx->atoms.s.clip_regs, si_emit_clip_regs); si_init_atom(sctx, &sctx->clip_state.atom, &sctx->atoms.s.clip_state, si_emit_clip_state); si_init_atom(sctx, &sctx->stencil_ref.atom, &sctx->atoms.s.stencil_ref, si_emit_stencil_ref); sctx->b.b.create_blend_state = si_create_blend_state; sctx->b.b.bind_blend_state = si_bind_blend_state; sctx->b.b.delete_blend_state = si_delete_blend_state; sctx->b.b.set_blend_color = si_set_blend_color; sctx->b.b.create_rasterizer_state = si_create_rs_state; sctx->b.b.bind_rasterizer_state = si_bind_rs_state; sctx->b.b.delete_rasterizer_state = si_delete_rs_state; sctx->b.b.create_depth_stencil_alpha_state = si_create_dsa_state; sctx->b.b.bind_depth_stencil_alpha_state = si_bind_dsa_state; sctx->b.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_decompress = si_create_blend_custom(sctx, V_028808_CB_FMASK_DECOMPRESS); sctx->custom_blend_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.b.set_clip_state = si_set_clip_state; sctx->b.b.set_stencil_ref = si_set_stencil_ref; sctx->b.b.set_framebuffer_state = si_set_framebuffer_state; sctx->b.b.get_sample_position = cayman_get_sample_position; sctx->b.b.create_sampler_state = si_create_sampler_state; sctx->b.b.delete_sampler_state = si_delete_sampler_state; sctx->b.b.create_sampler_view = si_create_sampler_view; sctx->b.b.sampler_view_destroy = si_sampler_view_destroy; sctx->b.b.set_sample_mask = si_set_sample_mask; sctx->b.b.create_vertex_elements_state = si_create_vertex_elements; sctx->b.b.bind_vertex_elements_state = si_bind_vertex_elements; sctx->b.b.delete_vertex_elements_state = si_delete_vertex_element; sctx->b.b.set_vertex_buffers = si_set_vertex_buffers; sctx->b.b.set_index_buffer = si_set_index_buffer; sctx->b.b.texture_barrier = si_texture_barrier; sctx->b.b.memory_barrier = si_memory_barrier; sctx->b.b.set_min_samples = si_set_min_samples; sctx->b.b.set_tess_state = si_set_tess_state; sctx->b.b.set_active_query_state = si_set_active_query_state; sctx->b.set_occlusion_query_state = si_set_occlusion_query_state; sctx->b.need_gfx_cs_space = si_need_gfx_cs_space; sctx->b.b.draw_vbo = si_draw_vbo; si_init_config(sctx); } static uint32_t si_get_bo_metadata_word1(struct r600_common_screen *rscreen) { return (ATI_VENDOR_ID << 16) | rscreen->info.pci_id; } static void si_query_opaque_metadata(struct r600_common_screen *rscreen, struct r600_texture *rtex, struct radeon_bo_metadata *md) { struct si_screen *sscreen = (struct si_screen*)rscreen; struct pipe_resource *res = &rtex->resource.b.b; static const unsigned char swizzle[] = { PIPE_SWIZZLE_X, PIPE_SWIZZLE_Y, PIPE_SWIZZLE_Z, PIPE_SWIZZLE_W }; uint32_t desc[8], i; bool is_array = util_resource_is_array_texture(res); /* DRM 2.x.x doesn't support this. */ if (rscreen->info.drm_major != 3) return; assert(rtex->dcc_separate_buffer == NULL); assert(rtex->fmask.size == 0); /* Metadata image format format version 1: * [0] = 1 (metadata format identifier) * [1] = (VENDOR_ID << 16) | PCI_ID * [2:9] = image descriptor for the whole resource * [2] is always 0, because the base address is cleared * [9] is the DCC offset bits [39:8] from the beginning of * the buffer * [10:10+LAST_LEVEL] = mipmap level offset bits [39:8] for each level */ md->metadata[0] = 1; /* metadata image format version 1 */ /* TILE_MODE_INDEX is ambiguous without a PCI ID. */ md->metadata[1] = si_get_bo_metadata_word1(rscreen); si_make_texture_descriptor(sscreen, rtex, true, res->target, res->format, swizzle, 0, res->last_level, 0, is_array ? res->array_size - 1 : 0, res->width0, res->height0, res->depth0, desc, NULL); si_set_mutable_tex_desc_fields(rtex, &rtex->surface.level[0], 0, 0, rtex->surface.blk_w, false, desc); /* Clear the base address and set the relative DCC offset. */ desc[0] = 0; desc[1] &= C_008F14_BASE_ADDRESS_HI; desc[7] = rtex->dcc_offset >> 8; /* Dwords [2:9] contain the image descriptor. */ memcpy(&md->metadata[2], desc, sizeof(desc)); /* Dwords [10:..] contain the mipmap level offsets. */ for (i = 0; i <= res->last_level; i++) md->metadata[10+i] = rtex->surface.level[i].offset >> 8; md->size_metadata = (11 + res->last_level) * 4; } static void si_apply_opaque_metadata(struct r600_common_screen *rscreen, struct r600_texture *rtex, struct radeon_bo_metadata *md) { uint32_t *desc = &md->metadata[2]; if (rscreen->chip_class < VI) return; /* Return if DCC is enabled. The texture should be set up with it * already. */ if (md->size_metadata >= 11 * 4 && md->metadata[0] != 0 && md->metadata[1] == si_get_bo_metadata_word1(rscreen) && G_008F28_COMPRESSION_EN(desc[6])) { assert(rtex->dcc_offset == ((uint64_t)desc[7] << 8)); return; } /* Disable DCC. These are always set by texture_from_handle and must * be cleared here. */ rtex->dcc_offset = 0; } void si_init_screen_state_functions(struct si_screen *sscreen) { sscreen->b.b.is_format_supported = si_is_format_supported; sscreen->b.query_opaque_metadata = si_query_opaque_metadata; sscreen->b.apply_opaque_metadata = si_apply_opaque_metadata; } static void si_write_harvested_raster_configs(struct si_context *sctx, struct si_pm4_state *pm4, unsigned raster_config, unsigned raster_config_1) { unsigned sh_per_se = MAX2(sctx->screen->b.info.max_sh_per_se, 1); unsigned num_se = MAX2(sctx->screen->b.info.max_se, 1); unsigned rb_mask = sctx->screen->b.info.enabled_rb_mask; unsigned num_rb = MIN2(sctx->screen->b.info.num_render_backends, 16); unsigned rb_per_pkr = MIN2(num_rb / num_se / sh_per_se, 2); unsigned rb_per_se = num_rb / num_se; unsigned se_mask[4]; unsigned se; se_mask[0] = ((1 << rb_per_se) - 1); se_mask[1] = (se_mask[0] << rb_per_se); se_mask[2] = (se_mask[1] << rb_per_se); se_mask[3] = (se_mask[2] << rb_per_se); se_mask[0] &= rb_mask; se_mask[1] &= rb_mask; se_mask[2] &= rb_mask; se_mask[3] &= rb_mask; assert(num_se == 1 || num_se == 2 || num_se == 4); assert(sh_per_se == 1 || sh_per_se == 2); assert(rb_per_pkr == 1 || rb_per_pkr == 2); /* XXX: I can't figure out what the *_XSEL and *_YSEL * fields are for, so I'm leaving them as their default * values. */ for (se = 0; se < num_se; se++) { unsigned raster_config_se = raster_config; unsigned pkr0_mask = ((1 << rb_per_pkr) - 1) << (se * rb_per_se); unsigned pkr1_mask = pkr0_mask << rb_per_pkr; int idx = (se / 2) * 2; if ((num_se > 1) && (!se_mask[idx] || !se_mask[idx + 1])) { raster_config_se &= C_028350_SE_MAP; if (!se_mask[idx]) { raster_config_se |= S_028350_SE_MAP(V_028350_RASTER_CONFIG_SE_MAP_3); } else { raster_config_se |= S_028350_SE_MAP(V_028350_RASTER_CONFIG_SE_MAP_0); } } pkr0_mask &= rb_mask; pkr1_mask &= rb_mask; if (rb_per_se > 2 && (!pkr0_mask || !pkr1_mask)) { raster_config_se &= C_028350_PKR_MAP; if (!pkr0_mask) { raster_config_se |= S_028350_PKR_MAP(V_028350_RASTER_CONFIG_PKR_MAP_3); } else { raster_config_se |= S_028350_PKR_MAP(V_028350_RASTER_CONFIG_PKR_MAP_0); } } if (rb_per_se >= 2) { unsigned rb0_mask = 1 << (se * rb_per_se); unsigned rb1_mask = rb0_mask << 1; rb0_mask &= rb_mask; rb1_mask &= rb_mask; if (!rb0_mask || !rb1_mask) { raster_config_se &= C_028350_RB_MAP_PKR0; if (!rb0_mask) { raster_config_se |= S_028350_RB_MAP_PKR0(V_028350_RASTER_CONFIG_RB_MAP_3); } else { raster_config_se |= S_028350_RB_MAP_PKR0(V_028350_RASTER_CONFIG_RB_MAP_0); } } if (rb_per_se > 2) { rb0_mask = 1 << (se * rb_per_se + rb_per_pkr); rb1_mask = rb0_mask << 1; rb0_mask &= rb_mask; rb1_mask &= rb_mask; if (!rb0_mask || !rb1_mask) { raster_config_se &= C_028350_RB_MAP_PKR1; if (!rb0_mask) { raster_config_se |= S_028350_RB_MAP_PKR1(V_028350_RASTER_CONFIG_RB_MAP_3); } else { raster_config_se |= S_028350_RB_MAP_PKR1(V_028350_RASTER_CONFIG_RB_MAP_0); } } } } /* GRBM_GFX_INDEX has a different offset on SI and CI+ */ if (sctx->b.chip_class < CIK) si_pm4_set_reg(pm4, GRBM_GFX_INDEX, SE_INDEX(se) | SH_BROADCAST_WRITES | INSTANCE_BROADCAST_WRITES); else si_pm4_set_reg(pm4, R_030800_GRBM_GFX_INDEX, S_030800_SE_INDEX(se) | S_030800_SH_BROADCAST_WRITES(1) | S_030800_INSTANCE_BROADCAST_WRITES(1)); si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, raster_config_se); } /* GRBM_GFX_INDEX has a different offset on SI and CI+ */ if (sctx->b.chip_class < CIK) si_pm4_set_reg(pm4, GRBM_GFX_INDEX, SE_BROADCAST_WRITES | SH_BROADCAST_WRITES | INSTANCE_BROADCAST_WRITES); else { si_pm4_set_reg(pm4, R_030800_GRBM_GFX_INDEX, S_030800_SE_BROADCAST_WRITES(1) | S_030800_SH_BROADCAST_WRITES(1) | S_030800_INSTANCE_BROADCAST_WRITES(1)); if ((num_se > 2) && ((!se_mask[0] && !se_mask[1]) || (!se_mask[2] && !se_mask[3]))) { raster_config_1 &= C_028354_SE_PAIR_MAP; if (!se_mask[0] && !se_mask[1]) { raster_config_1 |= S_028354_SE_PAIR_MAP(V_028354_RASTER_CONFIG_SE_PAIR_MAP_3); } else { raster_config_1 |= S_028354_SE_PAIR_MAP(V_028354_RASTER_CONFIG_SE_PAIR_MAP_0); } } si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, raster_config_1); } } static void si_init_config(struct si_context *sctx) { struct si_screen *sscreen = sctx->screen; unsigned num_rb = MIN2(sctx->screen->b.info.num_render_backends, 16); unsigned rb_mask = sctx->screen->b.info.enabled_rb_mask; unsigned raster_config, raster_config_1; uint64_t border_color_va = sctx->border_color_buffer->gpu_address; struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state); 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); si_pm4_set_reg(pm4, R_028A18_VGT_HOS_MAX_TESS_LEVEL, fui(64)); si_pm4_set_reg(pm4, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, fui(0)); /* FIXME calculate these values somehow ??? */ 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); 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_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0); si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0); si_pm4_set_reg(pm4, R_028AB8_VGT_VTX_CNT_EN, 0x0); if (sctx->b.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)); si_pm4_set_reg(pm4, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 0x76543210); si_pm4_set_reg(pm4, R_028BD8_PA_SC_CENTROID_PRIORITY_1, 0xfedcba98); si_pm4_set_reg(pm4, R_02882C_PA_SU_PRIM_FILTER_CNTL, 0); switch (sctx->screen->b.family) { case CHIP_TAHITI: case CHIP_PITCAIRN: raster_config = 0x2a00126a; raster_config_1 = 0x00000000; break; case CHIP_VERDE: raster_config = 0x0000124a; raster_config_1 = 0x00000000; break; case CHIP_OLAND: raster_config = 0x00000082; raster_config_1 = 0x00000000; break; case CHIP_HAINAN: raster_config = 0x00000000; raster_config_1 = 0x00000000; break; case CHIP_BONAIRE: raster_config = 0x16000012; raster_config_1 = 0x00000000; break; case CHIP_HAWAII: raster_config = 0x3a00161a; raster_config_1 = 0x0000002e; break; case CHIP_FIJI: if (sscreen->b.info.cik_macrotile_mode_array[0] == 0x000000e8) { /* old kernels with old tiling config */ raster_config = 0x16000012; raster_config_1 = 0x0000002a; } else { raster_config = 0x3a00161a; raster_config_1 = 0x0000002e; } break; case CHIP_POLARIS10: raster_config = 0x16000012; raster_config_1 = 0x0000002a; break; case CHIP_POLARIS11: raster_config = 0x16000012; raster_config_1 = 0x00000000; break; case CHIP_TONGA: raster_config = 0x16000012; raster_config_1 = 0x0000002a; break; case CHIP_ICELAND: if (num_rb == 1) raster_config = 0x00000000; else raster_config = 0x00000002; raster_config_1 = 0x00000000; break; case CHIP_CARRIZO: raster_config = 0x00000002; raster_config_1 = 0x00000000; break; case CHIP_KAVERI: /* KV should be 0x00000002, but that causes problems with radeon */ raster_config = 0x00000000; /* 0x00000002 */ raster_config_1 = 0x00000000; break; case CHIP_KABINI: case CHIP_MULLINS: case CHIP_STONEY: raster_config = 0x00000000; raster_config_1 = 0x00000000; break; default: fprintf(stderr, "radeonsi: Unknown GPU, using 0 for raster_config\n"); raster_config = 0x00000000; raster_config_1 = 0x00000000; break; } /* Always use the default config when all backends are enabled * (or when we failed to determine the enabled backends). */ if (!rb_mask || util_bitcount(rb_mask) >= num_rb) { si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, raster_config); if (sctx->b.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); } 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)); si_pm4_set_reg(pm4, R_02820C_PA_SC_CLIPRECT_RULE, 0xFFFF); 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)); /* PA_SU_HARDWARE_SCREEN_OFFSET must be 0 due to hw bug on SI */ si_pm4_set_reg(pm4, R_028234_PA_SU_HARDWARE_SCREEN_OFFSET, 0); 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, S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE) | S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE)); 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->b.chip_class >= CIK) { si_pm4_set_reg(pm4, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xffff)); si_pm4_set_reg(pm4, R_00B41C_SPI_SHADER_PGM_RSRC3_HS, 0); si_pm4_set_reg(pm4, R_00B31C_SPI_SHADER_PGM_RSRC3_ES, S_00B31C_CU_EN(0xffff)); si_pm4_set_reg(pm4, R_00B21C_SPI_SHADER_PGM_RSRC3_GS, S_00B21C_CU_EN(0xffff)); if (sscreen->b.info.num_good_compute_units / (sscreen->b.info.max_se * sscreen->b.info.max_sh_per_se) <= 4) { /* Too few available compute units per SH. Disallowing * VS to run on CU0 could hurt us more than late VS * allocation would help. * * LATE_ALLOC_VS = 2 is the highest safe number. */ si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xffff)); si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(2)); } else { /* Set LATE_ALLOC_VS == 31. It should be less than * the number of scratch waves. Limitations: * - VS can't execute on CU0. * - If HS writes outputs to LDS, LS can't execute on CU0. */ si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xfffe)); si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(31)); } si_pm4_set_reg(pm4, R_00B01C_SPI_SHADER_PGM_RSRC3_PS, S_00B01C_CU_EN(0xffff)); } if (sctx->b.chip_class >= VI) { unsigned vgt_tess_distribution; si_pm4_set_reg(pm4, R_028424_CB_DCC_CONTROL, S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) | S_028424_OVERWRITE_COMBINER_WATERMARK(4)); if (sctx->b.family < CHIP_POLARIS10) si_pm4_set_reg(pm4, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 30); si_pm4_set_reg(pm4, R_028C5C_VGT_OUT_DEALLOC_CNTL, 32); 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->b.family == CHIP_FIJI || sctx->b.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 { 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); } if (sctx->b.family == CHIP_STONEY) si_pm4_set_reg(pm4, R_028C40_PA_SC_SHADER_CONTROL, 0); si_pm4_set_reg(pm4, R_028080_TA_BC_BASE_ADDR, border_color_va >> 8); if (sctx->b.chip_class >= CIK) si_pm4_set_reg(pm4, R_028084_TA_BC_BASE_ADDR_HI, border_color_va >> 40); si_pm4_add_bo(pm4, sctx->border_color_buffer, RADEON_USAGE_READ, RADEON_PRIO_BORDER_COLORS); si_pm4_upload_indirect_buffer(sctx, pm4); sctx->init_config = pm4; }