/* * Copyright © 2016 Red Hat. * Copyright © 2016 Bas Nieuwenhuizen * * based on si_state.c * Copyright © 2015 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 * the rights to use, copy, modify, merge, publish, distribute, sublicense, * 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 NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS 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. */ /* command buffer handling for SI */ #include "radv_private.h" #include "radv_cs.h" #include "sid.h" #include "radv_util.h" #include "main/macros.h" #define SI_GS_PER_ES 128 static void si_write_harvested_raster_configs(struct radv_physical_device *physical_device, struct radeon_winsys_cs *cs, unsigned raster_config, unsigned raster_config_1) { unsigned sh_per_se = MAX2(physical_device->rad_info.max_sh_per_se, 1); unsigned num_se = MAX2(physical_device->rad_info.max_se, 1); unsigned rb_mask = physical_device->rad_info.enabled_rb_mask; unsigned num_rb = MIN2(physical_device->rad_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) & rb_mask; se_mask[1] = (se_mask[0] << rb_per_se) & rb_mask; se_mask[2] = (se_mask[1] << rb_per_se) & rb_mask; se_mask[3] = (se_mask[2] << rb_per_se) & 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. */ 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); } } 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 (physical_device->rad_info.chip_class < CIK) radeon_set_config_reg(cs, GRBM_GFX_INDEX, SE_INDEX(se) | SH_BROADCAST_WRITES | INSTANCE_BROADCAST_WRITES); else radeon_set_uconfig_reg(cs, R_030800_GRBM_GFX_INDEX, S_030800_SE_INDEX(se) | S_030800_SH_BROADCAST_WRITES(1) | S_030800_INSTANCE_BROADCAST_WRITES(1)); radeon_set_context_reg(cs, R_028350_PA_SC_RASTER_CONFIG, raster_config_se); if (physical_device->rad_info.chip_class >= CIK) radeon_set_context_reg(cs, R_028354_PA_SC_RASTER_CONFIG_1, raster_config_1); } /* GRBM_GFX_INDEX has a different offset on SI and CI+ */ if (physical_device->rad_info.chip_class < CIK) radeon_set_config_reg(cs, GRBM_GFX_INDEX, SE_BROADCAST_WRITES | SH_BROADCAST_WRITES | INSTANCE_BROADCAST_WRITES); else radeon_set_uconfig_reg(cs, R_030800_GRBM_GFX_INDEX, S_030800_SE_BROADCAST_WRITES(1) | S_030800_SH_BROADCAST_WRITES(1) | S_030800_INSTANCE_BROADCAST_WRITES(1)); } static void si_emit_compute(struct radv_physical_device *physical_device, struct radeon_winsys_cs *cs) { radeon_set_sh_reg_seq(cs, R_00B810_COMPUTE_START_X, 3); radeon_emit(cs, 0); radeon_emit(cs, 0); radeon_emit(cs, 0); radeon_set_sh_reg_seq(cs, R_00B854_COMPUTE_RESOURCE_LIMITS, 3); radeon_emit(cs, 0); /* R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE0 / SE1 */ radeon_emit(cs, S_00B858_SH0_CU_EN(0xffff) | S_00B858_SH1_CU_EN(0xffff)); radeon_emit(cs, S_00B85C_SH0_CU_EN(0xffff) | S_00B85C_SH1_CU_EN(0xffff)); if (physical_device->rad_info.chip_class >= CIK) { /* Also set R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE2 / SE3 */ radeon_set_sh_reg_seq(cs, R_00B864_COMPUTE_STATIC_THREAD_MGMT_SE2, 2); radeon_emit(cs, S_00B864_SH0_CU_EN(0xffff) | S_00B864_SH1_CU_EN(0xffff)); radeon_emit(cs, S_00B868_SH0_CU_EN(0xffff) | S_00B868_SH1_CU_EN(0xffff)); } /* This register has been moved to R_00CD20_COMPUTE_MAX_WAVE_ID * and is now per pipe, so it should be handled in the * kernel if we want to use something other than the default value, * which is now 0x22f. */ if (physical_device->rad_info.chip_class <= SI) { /* XXX: This should be: * (number of compute units) * 4 * (waves per simd) - 1 */ radeon_set_sh_reg(cs, R_00B82C_COMPUTE_MAX_WAVE_ID, 0x190 /* Default value */); } } void si_init_compute(struct radv_cmd_buffer *cmd_buffer) { struct radv_physical_device *physical_device = cmd_buffer->device->physical_device; si_emit_compute(physical_device, cmd_buffer->cs); } static void si_emit_config(struct radv_physical_device *physical_device, struct radeon_winsys_cs *cs) { unsigned num_rb = MIN2(physical_device->rad_info.num_render_backends, 16); unsigned rb_mask = physical_device->rad_info.enabled_rb_mask; unsigned raster_config, raster_config_1; int i; radeon_emit(cs, PKT3(PKT3_CONTEXT_CONTROL, 1, 0)); radeon_emit(cs, CONTEXT_CONTROL_LOAD_ENABLE(1)); radeon_emit(cs, CONTEXT_CONTROL_SHADOW_ENABLE(1)); radeon_set_context_reg(cs, R_028A18_VGT_HOS_MAX_TESS_LEVEL, fui(64)); radeon_set_context_reg(cs, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, fui(0)); /* FIXME calculate these values somehow ??? */ radeon_set_context_reg(cs, R_028A54_VGT_GS_PER_ES, SI_GS_PER_ES); radeon_set_context_reg(cs, R_028A58_VGT_ES_PER_GS, 0x40); radeon_set_context_reg(cs, R_028A5C_VGT_GS_PER_VS, 0x2); radeon_set_context_reg(cs, R_028A8C_VGT_PRIMITIVEID_RESET, 0x0); radeon_set_context_reg(cs, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0); radeon_set_context_reg(cs, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0); radeon_set_context_reg(cs, R_028AB8_VGT_VTX_CNT_EN, 0x0); if (physical_device->rad_info.chip_class < CIK) radeon_set_config_reg(cs, R_008A14_PA_CL_ENHANCE, S_008A14_NUM_CLIP_SEQ(3) | S_008A14_CLIP_VTX_REORDER_ENA(1)); radeon_set_context_reg(cs, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 0x76543210); radeon_set_context_reg(cs, R_028BD8_PA_SC_CENTROID_PRIORITY_1, 0xfedcba98); radeon_set_context_reg(cs, R_02882C_PA_SU_PRIM_FILTER_CNTL, 0); for (i = 0; i < 16; i++) { radeon_set_context_reg(cs, R_0282D0_PA_SC_VPORT_ZMIN_0 + i*8, 0); radeon_set_context_reg(cs, R_0282D4_PA_SC_VPORT_ZMAX_0 + i*8, fui(1.0)); } switch (physical_device->rad_info.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 (physical_device->rad_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) { radeon_set_context_reg(cs, R_028350_PA_SC_RASTER_CONFIG, raster_config); if (physical_device->rad_info.chip_class >= CIK) radeon_set_context_reg(cs, R_028354_PA_SC_RASTER_CONFIG_1, raster_config_1); } else { si_write_harvested_raster_configs(physical_device, cs, raster_config, raster_config_1); } radeon_set_context_reg(cs, R_028204_PA_SC_WINDOW_SCISSOR_TL, S_028204_WINDOW_OFFSET_DISABLE(1)); radeon_set_context_reg(cs, R_028240_PA_SC_GENERIC_SCISSOR_TL, S_028240_WINDOW_OFFSET_DISABLE(1)); radeon_set_context_reg(cs, R_028244_PA_SC_GENERIC_SCISSOR_BR, S_028244_BR_X(16384) | S_028244_BR_Y(16384)); radeon_set_context_reg(cs, R_028030_PA_SC_SCREEN_SCISSOR_TL, 0); radeon_set_context_reg(cs, R_028034_PA_SC_SCREEN_SCISSOR_BR, S_028034_BR_X(16384) | S_028034_BR_Y(16384)); radeon_set_context_reg(cs, R_02820C_PA_SC_CLIPRECT_RULE, 0xFFFF); radeon_set_context_reg(cs, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA); /* PA_SU_HARDWARE_SCREEN_OFFSET must be 0 due to hw bug on SI */ radeon_set_context_reg(cs, R_028234_PA_SU_HARDWARE_SCREEN_OFFSET, 0); radeon_set_context_reg(cs, R_028820_PA_CL_NANINF_CNTL, 0); radeon_set_context_reg(cs, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0); radeon_set_context_reg(cs, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0); radeon_set_context_reg(cs, R_028AC8_DB_PRELOAD_CONTROL, 0x0); radeon_set_context_reg(cs, R_02800C_DB_RENDER_OVERRIDE, S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE) | S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE)); radeon_set_context_reg(cs, R_028400_VGT_MAX_VTX_INDX, ~0); radeon_set_context_reg(cs, R_028404_VGT_MIN_VTX_INDX, 0); radeon_set_context_reg(cs, R_028408_VGT_INDX_OFFSET, 0); if (physical_device->rad_info.chip_class >= CIK) { /* If this is 0, Bonaire can hang even if GS isn't being used. * Other chips are unaffected. These are suboptimal values, * but we don't use on-chip GS. */ radeon_set_context_reg(cs, R_028A44_VGT_GS_ONCHIP_CNTL, S_028A44_ES_VERTS_PER_SUBGRP(64) | S_028A44_GS_PRIMS_PER_SUBGRP(4)); radeon_set_sh_reg(cs, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xffff)); radeon_set_sh_reg(cs, R_00B41C_SPI_SHADER_PGM_RSRC3_HS, 0); radeon_set_sh_reg(cs, R_00B31C_SPI_SHADER_PGM_RSRC3_ES, S_00B31C_CU_EN(0xffff)); radeon_set_sh_reg(cs, R_00B21C_SPI_SHADER_PGM_RSRC3_GS, S_00B21C_CU_EN(0xffff)); if (physical_device->rad_info.num_good_compute_units / (physical_device->rad_info.max_se * physical_device->rad_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. */ radeon_set_sh_reg(cs, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xffff)); radeon_set_sh_reg(cs, 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. */ radeon_set_sh_reg(cs, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xfffe)); radeon_set_sh_reg(cs, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(31)); } radeon_set_sh_reg(cs, R_00B01C_SPI_SHADER_PGM_RSRC3_PS, S_00B01C_CU_EN(0xffff)); } if (physical_device->rad_info.chip_class >= VI) { uint32_t vgt_tess_distribution; radeon_set_context_reg(cs, R_028424_CB_DCC_CONTROL, S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) | S_028424_OVERWRITE_COMBINER_WATERMARK(4)); if (physical_device->rad_info.family < CHIP_POLARIS10) radeon_set_context_reg(cs, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 30); radeon_set_context_reg(cs, 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); if (physical_device->rad_info.family == CHIP_FIJI || physical_device->rad_info.family >= CHIP_POLARIS10) vgt_tess_distribution |= S_028B50_TRAP_SPLIT(3); radeon_set_context_reg(cs, R_028B50_VGT_TESS_DISTRIBUTION, vgt_tess_distribution); } else { radeon_set_context_reg(cs, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 14); radeon_set_context_reg(cs, R_028C5C_VGT_OUT_DEALLOC_CNTL, 16); } if (physical_device->rad_info.family == CHIP_STONEY) radeon_set_context_reg(cs, R_028C40_PA_SC_SHADER_CONTROL, 0); si_emit_compute(physical_device, cs); } void si_init_config(struct radv_cmd_buffer *cmd_buffer) { struct radv_physical_device *physical_device = cmd_buffer->device->physical_device; si_emit_config(physical_device, cmd_buffer->cs); } void cik_create_gfx_config(struct radv_device *device) { struct radeon_winsys_cs *cs = device->ws->cs_create(device->ws, RING_GFX); if (!cs) return; si_emit_config(device->physical_device, cs); while (cs->cdw & 7) { if (device->physical_device->rad_info.gfx_ib_pad_with_type2) radeon_emit(cs, 0x80000000); else radeon_emit(cs, 0xffff1000); } device->gfx_init = device->ws->buffer_create(device->ws, cs->cdw * 4, 4096, RADEON_DOMAIN_GTT, RADEON_FLAG_CPU_ACCESS); if (!device->gfx_init) goto fail; void *map = device->ws->buffer_map(device->gfx_init); if (!map) { device->ws->buffer_destroy(device->gfx_init); device->gfx_init = NULL; goto fail; } memcpy(map, cs->buf, cs->cdw * 4); device->ws->buffer_unmap(device->gfx_init); device->gfx_init_size_dw = cs->cdw; fail: device->ws->cs_destroy(cs); } static void get_viewport_xform(const VkViewport *viewport, float scale[3], float translate[3]) { float x = viewport->x; float y = viewport->y; float half_width = 0.5f * viewport->width; float half_height = 0.5f * viewport->height; double n = viewport->minDepth; double f = viewport->maxDepth; scale[0] = half_width; translate[0] = half_width + x; scale[1] = half_height; translate[1] = half_height + y; scale[2] = (f - n); translate[2] = n; } void si_write_viewport(struct radeon_winsys_cs *cs, int first_vp, int count, const VkViewport *viewports) { int i; assert(count); radeon_set_context_reg_seq(cs, R_02843C_PA_CL_VPORT_XSCALE + first_vp * 4 * 6, count * 6); for (i = 0; i < count; i++) { float scale[3], translate[3]; get_viewport_xform(&viewports[i], scale, translate); radeon_emit(cs, fui(scale[0])); radeon_emit(cs, fui(translate[0])); radeon_emit(cs, fui(scale[1])); radeon_emit(cs, fui(translate[1])); radeon_emit(cs, fui(scale[2])); radeon_emit(cs, fui(translate[2])); } radeon_set_context_reg_seq(cs, R_0282D0_PA_SC_VPORT_ZMIN_0 + first_vp * 4 * 2, count * 2); for (i = 0; i < count; i++) { float zmin = MIN2(viewports[i].minDepth, viewports[i].maxDepth); float zmax = MAX2(viewports[i].minDepth, viewports[i].maxDepth); radeon_emit(cs, fui(zmin)); radeon_emit(cs, fui(zmax)); } } static VkRect2D si_scissor_from_viewport(const VkViewport *viewport) { float scale[3], translate[3]; VkRect2D rect; get_viewport_xform(viewport, scale, translate); rect.offset.x = translate[0] - abs(scale[0]); rect.offset.y = translate[1] - abs(scale[1]); rect.extent.width = ceilf(translate[0] + abs(scale[0])) - rect.offset.x; rect.extent.height = ceilf(translate[1] + abs(scale[1])) - rect.offset.y; return rect; } static VkRect2D si_intersect_scissor(const VkRect2D *a, const VkRect2D *b) { VkRect2D ret; ret.offset.x = MAX2(a->offset.x, b->offset.x); ret.offset.y = MAX2(a->offset.y, b->offset.y); ret.extent.width = MIN2(a->offset.x + a->extent.width, b->offset.x + b->extent.width) - ret.offset.x; ret.extent.height = MIN2(a->offset.y + a->extent.height, b->offset.y + b->extent.height) - ret.offset.y; return ret; } void si_write_scissors(struct radeon_winsys_cs *cs, int first, int count, const VkRect2D *scissors, const VkViewport *viewports, bool can_use_guardband) { int i; float scale[3], translate[3], guardband_x = INFINITY, guardband_y = INFINITY; const float max_range = 32767.0f; assert(count); radeon_set_context_reg_seq(cs, R_028250_PA_SC_VPORT_SCISSOR_0_TL + first * 4 * 2, count * 2); for (i = 0; i < count; i++) { VkRect2D viewport_scissor = si_scissor_from_viewport(viewports + i); VkRect2D scissor = si_intersect_scissor(&scissors[i], &viewport_scissor); get_viewport_xform(viewports + i, scale, translate); scale[0] = abs(scale[0]); scale[1] = abs(scale[1]); if (scale[0] < 0.5) scale[0] = 0.5; if (scale[1] < 0.5) scale[1] = 0.5; guardband_x = MIN2(guardband_x, (max_range - abs(translate[0])) / scale[0]); guardband_y = MIN2(guardband_y, (max_range - abs(translate[1])) / scale[1]); radeon_emit(cs, S_028250_TL_X(scissor.offset.x) | S_028250_TL_Y(scissor.offset.y) | S_028250_WINDOW_OFFSET_DISABLE(1)); radeon_emit(cs, S_028254_BR_X(scissor.offset.x + scissor.extent.width) | S_028254_BR_Y(scissor.offset.y + scissor.extent.height)); } if (!can_use_guardband) { guardband_x = 1.0; guardband_y = 1.0; } radeon_set_context_reg_seq(cs, R_028BE8_PA_CL_GB_VERT_CLIP_ADJ, 4); radeon_emit(cs, fui(guardband_y)); radeon_emit(cs, fui(1.0)); radeon_emit(cs, fui(guardband_x)); radeon_emit(cs, fui(1.0)); } static inline unsigned radv_prims_for_vertices(struct radv_prim_vertex_count *info, unsigned num) { if (num == 0) return 0; if (info->incr == 0) return 0; if (num < info->min) return 0; return 1 + ((num - info->min) / info->incr); } uint32_t si_get_ia_multi_vgt_param(struct radv_cmd_buffer *cmd_buffer, bool instanced_draw, bool indirect_draw, uint32_t draw_vertex_count) { enum chip_class chip_class = cmd_buffer->device->physical_device->rad_info.chip_class; enum radeon_family family = cmd_buffer->device->physical_device->rad_info.family; struct radeon_info *info = &cmd_buffer->device->physical_device->rad_info; unsigned prim = cmd_buffer->state.pipeline->graphics.prim; unsigned primgroup_size = 128; /* recommended without a GS */ unsigned max_primgroup_in_wave = 2; /* SWITCH_ON_EOP(0) is always preferable. */ bool wd_switch_on_eop = false; bool ia_switch_on_eop = false; bool ia_switch_on_eoi = false; bool partial_vs_wave = false; bool partial_es_wave = false; uint32_t num_prims = radv_prims_for_vertices(&cmd_buffer->state.pipeline->graphics.prim_vertex_count, draw_vertex_count); bool multi_instances_smaller_than_primgroup; if (radv_pipeline_has_tess(cmd_buffer->state.pipeline)) primgroup_size = cmd_buffer->state.pipeline->graphics.tess.num_patches; else if (radv_pipeline_has_gs(cmd_buffer->state.pipeline)) primgroup_size = 64; /* recommended with a GS */ multi_instances_smaller_than_primgroup = indirect_draw || (instanced_draw && num_prims < primgroup_size); if (radv_pipeline_has_tess(cmd_buffer->state.pipeline)) { /* SWITCH_ON_EOI must be set if PrimID is used. */ if (cmd_buffer->state.pipeline->shaders[MESA_SHADER_TESS_CTRL]->info.tcs.uses_prim_id || cmd_buffer->state.pipeline->shaders[MESA_SHADER_TESS_EVAL]->info.tes.uses_prim_id) ia_switch_on_eoi = true; /* Bug with tessellation and GS on Bonaire and older 2 SE chips. */ if ((family == CHIP_TAHITI || family == CHIP_PITCAIRN || family == CHIP_BONAIRE) && radv_pipeline_has_gs(cmd_buffer->state.pipeline)) partial_vs_wave = true; /* Needed for 028B6C_DISTRIBUTION_MODE != 0 */ if (cmd_buffer->device->has_distributed_tess) { if (radv_pipeline_has_gs(cmd_buffer->state.pipeline)) { partial_es_wave = true; if (family == CHIP_TONGA || family == CHIP_FIJI || family == CHIP_POLARIS10 || family == CHIP_POLARIS11) partial_vs_wave = true; } else { partial_vs_wave = true; } } } /* TODO linestipple */ if (chip_class >= CIK) { /* WD_SWITCH_ON_EOP has no effect on GPUs with less than * 4 shader engines. Set 1 to pass the assertion below. * The other cases are hardware requirements. */ if (info->max_se < 4 || prim == V_008958_DI_PT_POLYGON || prim == V_008958_DI_PT_LINELOOP || prim == V_008958_DI_PT_TRIFAN || prim == V_008958_DI_PT_TRISTRIP_ADJ || (cmd_buffer->state.pipeline->graphics.prim_restart_enable && (family < CHIP_POLARIS10 || (prim != V_008958_DI_PT_POINTLIST && prim != V_008958_DI_PT_LINESTRIP && prim != V_008958_DI_PT_TRISTRIP)))) wd_switch_on_eop = true; /* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0. * We don't know that for indirect drawing, so treat it as * always problematic. */ if (family == CHIP_HAWAII && (instanced_draw || indirect_draw)) wd_switch_on_eop = true; /* Performance recommendation for 4 SE Gfx7-8 parts if * instances are smaller than a primgroup. * Assume indirect draws always use small instances. * This is needed for good VS wave utilization. */ if (chip_class <= VI && info->max_se == 4 && multi_instances_smaller_than_primgroup) wd_switch_on_eop = true; /* Required on CIK and later. */ if (info->max_se > 2 && !wd_switch_on_eop) ia_switch_on_eoi = true; /* Required by Hawaii and, for some special cases, by VI. */ if (ia_switch_on_eoi && (family == CHIP_HAWAII || (chip_class == VI && (radv_pipeline_has_gs(cmd_buffer->state.pipeline) || max_primgroup_in_wave != 2)))) partial_vs_wave = true; /* Instancing bug on Bonaire. */ if (family == CHIP_BONAIRE && ia_switch_on_eoi && (instanced_draw || indirect_draw)) partial_vs_wave = true; /* If the WD switch is false, the IA switch must be false too. */ assert(wd_switch_on_eop || !ia_switch_on_eop); } /* If SWITCH_ON_EOI is set, PARTIAL_ES_WAVE must be set too. */ if (ia_switch_on_eoi) partial_es_wave = true; if (radv_pipeline_has_gs(cmd_buffer->state.pipeline)) { /* GS requirement. */ if (SI_GS_PER_ES / primgroup_size >= cmd_buffer->device->gs_table_depth - 3) partial_es_wave = true; /* Hw bug with single-primitive instances and SWITCH_ON_EOI * on multi-SE chips. */ if (info->max_se >= 2 && ia_switch_on_eoi && ((instanced_draw || indirect_draw) && num_prims <= 1)) cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_VGT_FLUSH; } return S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop) | S_028AA8_SWITCH_ON_EOI(ia_switch_on_eoi) | S_028AA8_PARTIAL_VS_WAVE_ON(partial_vs_wave) | S_028AA8_PARTIAL_ES_WAVE_ON(partial_es_wave) | S_028AA8_PRIMGROUP_SIZE(primgroup_size - 1) | S_028AA8_WD_SWITCH_ON_EOP(chip_class >= CIK ? wd_switch_on_eop : 0) | S_028AA8_MAX_PRIMGRP_IN_WAVE(chip_class >= VI ? max_primgroup_in_wave : 0); } static void si_emit_acquire_mem(struct radeon_winsys_cs *cs, bool is_mec, unsigned cp_coher_cntl) { if (is_mec) { radeon_emit(cs, PKT3(PKT3_ACQUIRE_MEM, 5, 0) | PKT3_SHADER_TYPE_S(1)); radeon_emit(cs, cp_coher_cntl); /* CP_COHER_CNTL */ radeon_emit(cs, 0xffffffff); /* CP_COHER_SIZE */ radeon_emit(cs, 0xff); /* CP_COHER_SIZE_HI */ radeon_emit(cs, 0); /* CP_COHER_BASE */ radeon_emit(cs, 0); /* CP_COHER_BASE_HI */ radeon_emit(cs, 0x0000000A); /* POLL_INTERVAL */ } else { /* ACQUIRE_MEM is only required on a compute ring. */ radeon_emit(cs, PKT3(PKT3_SURFACE_SYNC, 3, 0)); radeon_emit(cs, cp_coher_cntl); /* CP_COHER_CNTL */ radeon_emit(cs, 0xffffffff); /* CP_COHER_SIZE */ radeon_emit(cs, 0); /* CP_COHER_BASE */ radeon_emit(cs, 0x0000000A); /* POLL_INTERVAL */ } } void si_cs_emit_cache_flush(struct radeon_winsys_cs *cs, enum chip_class chip_class, bool is_mec, enum radv_cmd_flush_bits flush_bits) { unsigned cp_coher_cntl = 0; if (flush_bits & RADV_CMD_FLAG_INV_ICACHE) cp_coher_cntl |= S_0085F0_SH_ICACHE_ACTION_ENA(1); if (flush_bits & RADV_CMD_FLAG_INV_SMEM_L1) cp_coher_cntl |= S_0085F0_SH_KCACHE_ACTION_ENA(1); if (flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_CB) { cp_coher_cntl |= S_0085F0_CB_ACTION_ENA(1) | S_0085F0_CB0_DEST_BASE_ENA(1) | S_0085F0_CB1_DEST_BASE_ENA(1) | S_0085F0_CB2_DEST_BASE_ENA(1) | S_0085F0_CB3_DEST_BASE_ENA(1) | S_0085F0_CB4_DEST_BASE_ENA(1) | S_0085F0_CB5_DEST_BASE_ENA(1) | S_0085F0_CB6_DEST_BASE_ENA(1) | S_0085F0_CB7_DEST_BASE_ENA(1); /* Necessary for DCC */ if (chip_class >= VI) { radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_DATA_TS) | EVENT_INDEX(5)); radeon_emit(cs, 0); radeon_emit(cs, 0); radeon_emit(cs, 0); radeon_emit(cs, 0); } } if (flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_DB) { cp_coher_cntl |= S_0085F0_DB_ACTION_ENA(1) | S_0085F0_DB_DEST_BASE_ENA(1); } if (flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_CB_META) { radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META) | EVENT_INDEX(0)); } if (flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_DB_META) { radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META) | EVENT_INDEX(0)); } if (!(flush_bits & (RADV_CMD_FLAG_FLUSH_AND_INV_CB | RADV_CMD_FLAG_FLUSH_AND_INV_DB))) { if (flush_bits & RADV_CMD_FLAG_PS_PARTIAL_FLUSH) { radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH) | EVENT_INDEX(4)); } else if (flush_bits & RADV_CMD_FLAG_VS_PARTIAL_FLUSH) { radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH) | EVENT_INDEX(4)); } } if (flush_bits & RADV_CMD_FLAG_CS_PARTIAL_FLUSH) { radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH) | EVENT_INDEX(4)); } /* VGT state sync */ if (flush_bits & RADV_CMD_FLAG_VGT_FLUSH) { radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cs, EVENT_TYPE(V_028A90_VGT_FLUSH) | EVENT_INDEX(0)); } /* Make sure ME is idle (it executes most packets) before continuing. * This prevents read-after-write hazards between PFP and ME. */ if ((cp_coher_cntl || (flush_bits & RADV_CMD_FLAG_CS_PARTIAL_FLUSH)) && !is_mec) { radeon_emit(cs, PKT3(PKT3_PFP_SYNC_ME, 0, 0)); radeon_emit(cs, 0); } if ((flush_bits & RADV_CMD_FLAG_INV_GLOBAL_L2) || (chip_class <= CIK && (flush_bits & RADV_CMD_FLAG_WRITEBACK_GLOBAL_L2))) { cp_coher_cntl |= S_0085F0_TC_ACTION_ENA(1); if (chip_class >= VI) cp_coher_cntl |= S_0301F0_TC_WB_ACTION_ENA(1); } else if(flush_bits & RADV_CMD_FLAG_WRITEBACK_GLOBAL_L2) { cp_coher_cntl |= S_0301F0_TC_WB_ACTION_ENA(1) | S_0301F0_TC_NC_ACTION_ENA(1); /* L2 writeback doesn't combine with L1 invalidate */ si_emit_acquire_mem(cs, is_mec, cp_coher_cntl); cp_coher_cntl = 0; } if (flush_bits & RADV_CMD_FLAG_INV_VMEM_L1) cp_coher_cntl |= S_0085F0_TCL1_ACTION_ENA(1); /* When one of the DEST_BASE flags is set, SURFACE_SYNC waits for idle. * Therefore, it should be last. Done in PFP. */ if (cp_coher_cntl) si_emit_acquire_mem(cs, is_mec, cp_coher_cntl); } void si_emit_cache_flush(struct radv_cmd_buffer *cmd_buffer) { bool is_compute = cmd_buffer->queue_family_index == RADV_QUEUE_COMPUTE; if (is_compute) cmd_buffer->state.flush_bits &= ~(RADV_CMD_FLAG_FLUSH_AND_INV_CB | RADV_CMD_FLAG_FLUSH_AND_INV_CB_META | RADV_CMD_FLAG_FLUSH_AND_INV_DB | RADV_CMD_FLAG_FLUSH_AND_INV_DB_META | RADV_CMD_FLAG_PS_PARTIAL_FLUSH | RADV_CMD_FLAG_VS_PARTIAL_FLUSH | RADV_CMD_FLAG_VGT_FLUSH); radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 128); si_cs_emit_cache_flush(cmd_buffer->cs, cmd_buffer->device->physical_device->rad_info.chip_class, radv_cmd_buffer_uses_mec(cmd_buffer), cmd_buffer->state.flush_bits); if (cmd_buffer->state.flush_bits) radv_cmd_buffer_trace_emit(cmd_buffer); cmd_buffer->state.flush_bits = 0; } /* Set this if you want the 3D engine to wait until CP DMA is done. * It should be set on the last CP DMA packet. */ #define R600_CP_DMA_SYNC (1 << 0) /* R600+ */ /* Set this if the source data was used as a destination in a previous CP DMA * packet. It's for preventing a read-after-write (RAW) hazard between two * CP DMA packets. */ #define SI_CP_DMA_RAW_WAIT (1 << 1) /* SI+ */ #define CIK_CP_DMA_USE_L2 (1 << 2) /* Alignment for optimal performance. */ #define CP_DMA_ALIGNMENT 32 /* The max number of bytes to copy per packet. */ #define CP_DMA_MAX_BYTE_COUNT ((1 << 21) - CP_DMA_ALIGNMENT) static void si_emit_cp_dma_copy_buffer(struct radv_cmd_buffer *cmd_buffer, uint64_t dst_va, uint64_t src_va, unsigned size, unsigned flags) { struct radeon_winsys_cs *cs = cmd_buffer->cs; uint32_t sync_flag = flags & R600_CP_DMA_SYNC ? S_411_CP_SYNC(1) : 0; uint32_t wr_confirm = !(flags & R600_CP_DMA_SYNC) ? S_414_DISABLE_WR_CONFIRM_GFX6(1) : 0; uint32_t raw_wait = flags & SI_CP_DMA_RAW_WAIT ? S_414_RAW_WAIT(1) : 0; uint32_t sel = flags & CIK_CP_DMA_USE_L2 ? S_411_SRC_SEL(V_411_SRC_ADDR_TC_L2) | S_411_DSL_SEL(V_411_DST_ADDR_TC_L2) : 0; assert(size); assert((size & ((1<<21)-1)) == size); radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 9); if (cmd_buffer->device->physical_device->rad_info.chip_class >= CIK) { radeon_emit(cs, PKT3(PKT3_DMA_DATA, 5, 0)); radeon_emit(cs, sync_flag | sel); /* CP_SYNC [31] */ radeon_emit(cs, src_va); /* SRC_ADDR_LO [31:0] */ radeon_emit(cs, src_va >> 32); /* SRC_ADDR_HI [31:0] */ radeon_emit(cs, dst_va); /* DST_ADDR_LO [31:0] */ radeon_emit(cs, dst_va >> 32); /* DST_ADDR_HI [31:0] */ radeon_emit(cs, size | wr_confirm | raw_wait); /* COMMAND [29:22] | BYTE_COUNT [20:0] */ } else { radeon_emit(cs, PKT3(PKT3_CP_DMA, 4, 0)); radeon_emit(cs, src_va); /* SRC_ADDR_LO [31:0] */ radeon_emit(cs, sync_flag | ((src_va >> 32) & 0xffff)); /* CP_SYNC [31] | SRC_ADDR_HI [15:0] */ radeon_emit(cs, dst_va); /* DST_ADDR_LO [31:0] */ radeon_emit(cs, (dst_va >> 32) & 0xffff); /* DST_ADDR_HI [15:0] */ radeon_emit(cs, size | wr_confirm | raw_wait); /* COMMAND [29:22] | BYTE_COUNT [20:0] */ } /* CP DMA is executed in ME, but index buffers are read by PFP. * This ensures that ME (CP DMA) is idle before PFP starts fetching * indices. If we wanted to execute CP DMA in PFP, this packet * should precede it. */ if (sync_flag && cmd_buffer->queue_family_index == RADV_QUEUE_GENERAL) { radeon_emit(cs, PKT3(PKT3_PFP_SYNC_ME, 0, 0)); radeon_emit(cs, 0); } radv_cmd_buffer_trace_emit(cmd_buffer); } /* Emit a CP DMA packet to clear a buffer. The size must fit in bits [20:0]. */ static void si_emit_cp_dma_clear_buffer(struct radv_cmd_buffer *cmd_buffer, uint64_t dst_va, unsigned size, uint32_t clear_value, unsigned flags) { struct radeon_winsys_cs *cs = cmd_buffer->cs; uint32_t sync_flag = flags & R600_CP_DMA_SYNC ? S_411_CP_SYNC(1) : 0; uint32_t wr_confirm = !(flags & R600_CP_DMA_SYNC) ? S_414_DISABLE_WR_CONFIRM_GFX6(1) : 0; uint32_t raw_wait = flags & SI_CP_DMA_RAW_WAIT ? S_414_RAW_WAIT(1) : 0; uint32_t dst_sel = flags & CIK_CP_DMA_USE_L2 ? S_411_DSL_SEL(V_411_DST_ADDR_TC_L2) : 0; assert(size); assert((size & ((1<<21)-1)) == size); radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 9); if (cmd_buffer->device->physical_device->rad_info.chip_class >= CIK) { radeon_emit(cs, PKT3(PKT3_DMA_DATA, 5, 0)); radeon_emit(cs, sync_flag | dst_sel | S_411_SRC_SEL(V_411_DATA)); /* CP_SYNC [31] | SRC_SEL[30:29] */ radeon_emit(cs, clear_value); /* DATA [31:0] */ radeon_emit(cs, 0); radeon_emit(cs, dst_va); /* DST_ADDR_LO [31:0] */ radeon_emit(cs, dst_va >> 32); /* DST_ADDR_HI [15:0] */ radeon_emit(cs, size | wr_confirm | raw_wait); /* COMMAND [29:22] | BYTE_COUNT [20:0] */ } else { radeon_emit(cs, PKT3(PKT3_CP_DMA, 4, 0)); radeon_emit(cs, clear_value); /* DATA [31:0] */ radeon_emit(cs, sync_flag | S_411_SRC_SEL(V_411_DATA)); /* CP_SYNC [31] | SRC_SEL[30:29] */ radeon_emit(cs, dst_va); /* DST_ADDR_LO [31:0] */ radeon_emit(cs, (dst_va >> 32) & 0xffff); /* DST_ADDR_HI [15:0] */ radeon_emit(cs, size | wr_confirm | raw_wait); /* COMMAND [29:22] | BYTE_COUNT [20:0] */ } /* See "copy_buffer" for explanation. */ if (sync_flag && cmd_buffer->queue_family_index == RADV_QUEUE_GENERAL) { radeon_emit(cs, PKT3(PKT3_PFP_SYNC_ME, 0, 0)); radeon_emit(cs, 0); } radv_cmd_buffer_trace_emit(cmd_buffer); } void si_cp_dma_prefetch(struct radv_cmd_buffer *cmd_buffer, uint64_t va, unsigned size) { uint64_t aligned_va = va & ~(CP_DMA_ALIGNMENT - 1); uint64_t aligned_size = ((va + size + CP_DMA_ALIGNMENT -1) & ~(CP_DMA_ALIGNMENT - 1)) - aligned_va; si_emit_cp_dma_copy_buffer(cmd_buffer, aligned_va, aligned_va, aligned_size, CIK_CP_DMA_USE_L2); } static void si_cp_dma_prepare(struct radv_cmd_buffer *cmd_buffer, uint64_t byte_count, uint64_t remaining_size, unsigned *flags) { /* Flush the caches for the first copy only. * Also wait for the previous CP DMA operations. */ if (cmd_buffer->state.flush_bits) { si_emit_cache_flush(cmd_buffer); *flags |= SI_CP_DMA_RAW_WAIT; } /* Do the synchronization after the last dma, so that all data * is written to memory. */ if (byte_count == remaining_size) *flags |= R600_CP_DMA_SYNC; } static void si_cp_dma_realign_engine(struct radv_cmd_buffer *cmd_buffer, unsigned size) { uint64_t va; uint32_t offset; unsigned dma_flags = 0; unsigned buf_size = CP_DMA_ALIGNMENT * 2; void *ptr; assert(size < CP_DMA_ALIGNMENT); radv_cmd_buffer_upload_alloc(cmd_buffer, buf_size, CP_DMA_ALIGNMENT, &offset, &ptr); va = cmd_buffer->device->ws->buffer_get_va(cmd_buffer->upload.upload_bo); va += offset; si_cp_dma_prepare(cmd_buffer, size, size, &dma_flags); si_emit_cp_dma_copy_buffer(cmd_buffer, va, va + CP_DMA_ALIGNMENT, size, dma_flags); } void si_cp_dma_buffer_copy(struct radv_cmd_buffer *cmd_buffer, uint64_t src_va, uint64_t dest_va, uint64_t size) { uint64_t main_src_va, main_dest_va; uint64_t skipped_size = 0, realign_size = 0; if (cmd_buffer->device->physical_device->rad_info.family <= CHIP_CARRIZO || cmd_buffer->device->physical_device->rad_info.family == CHIP_STONEY) { /* If the size is not aligned, we must add a dummy copy at the end * just to align the internal counter. Otherwise, the DMA engine * would slow down by an order of magnitude for following copies. */ if (size % CP_DMA_ALIGNMENT) realign_size = CP_DMA_ALIGNMENT - (size % CP_DMA_ALIGNMENT); /* If the copy begins unaligned, we must start copying from the next * aligned block and the skipped part should be copied after everything * else has been copied. Only the src alignment matters, not dst. */ if (src_va % CP_DMA_ALIGNMENT) { skipped_size = CP_DMA_ALIGNMENT - (src_va % CP_DMA_ALIGNMENT); /* The main part will be skipped if the size is too small. */ skipped_size = MIN2(skipped_size, size); size -= skipped_size; } } main_src_va = src_va + skipped_size; main_dest_va = dest_va + skipped_size; while (size) { unsigned dma_flags = 0; unsigned byte_count = MIN2(size, CP_DMA_MAX_BYTE_COUNT); si_cp_dma_prepare(cmd_buffer, byte_count, size + skipped_size + realign_size, &dma_flags); si_emit_cp_dma_copy_buffer(cmd_buffer, main_dest_va, main_src_va, byte_count, dma_flags); size -= byte_count; main_src_va += byte_count; main_dest_va += byte_count; } if (skipped_size) { unsigned dma_flags = 0; si_cp_dma_prepare(cmd_buffer, skipped_size, size + skipped_size + realign_size, &dma_flags); si_emit_cp_dma_copy_buffer(cmd_buffer, dest_va, src_va, skipped_size, dma_flags); } if (realign_size) si_cp_dma_realign_engine(cmd_buffer, realign_size); } void si_cp_dma_clear_buffer(struct radv_cmd_buffer *cmd_buffer, uint64_t va, uint64_t size, unsigned value) { if (!size) return; assert(va % 4 == 0 && size % 4 == 0); while (size) { unsigned byte_count = MIN2(size, CP_DMA_MAX_BYTE_COUNT); unsigned dma_flags = 0; si_cp_dma_prepare(cmd_buffer, byte_count, size, &dma_flags); /* Emit the clear packet. */ si_emit_cp_dma_clear_buffer(cmd_buffer, va, byte_count, value, dma_flags); size -= byte_count; va += byte_count; } } /* For MSAA sample positions. */ #define FILL_SREG(s0x, s0y, s1x, s1y, s2x, s2y, s3x, s3y) \ (((s0x) & 0xf) | (((unsigned)(s0y) & 0xf) << 4) | \ (((unsigned)(s1x) & 0xf) << 8) | (((unsigned)(s1y) & 0xf) << 12) | \ (((unsigned)(s2x) & 0xf) << 16) | (((unsigned)(s2y) & 0xf) << 20) | \ (((unsigned)(s3x) & 0xf) << 24) | (((unsigned)(s3y) & 0xf) << 28)) /* 2xMSAA * There are two locations (4, 4), (-4, -4). */ const uint32_t eg_sample_locs_2x[4] = { FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4), FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4), FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4), FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4), }; const unsigned eg_max_dist_2x = 4; /* 4xMSAA * There are 4 locations: (-2, 6), (6, -2), (-6, 2), (2, 6). */ const uint32_t eg_sample_locs_4x[4] = { FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6), FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6), FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6), FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6), }; const unsigned eg_max_dist_4x = 6; /* Cayman 8xMSAA */ static const uint32_t cm_sample_locs_8x[] = { FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5), FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5), FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5), FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5), FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7), FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7), FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7), FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7), }; static const unsigned cm_max_dist_8x = 8; /* Cayman 16xMSAA */ static const uint32_t cm_sample_locs_16x[] = { FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1), FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1), FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1), FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1), FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5), FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5), FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5), FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5), FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4), FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4), FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4), FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4), FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8), FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8), FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8), FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8), }; static const unsigned cm_max_dist_16x = 8; unsigned radv_cayman_get_maxdist(int log_samples) { unsigned max_dist[] = { 0, eg_max_dist_2x, eg_max_dist_4x, cm_max_dist_8x, cm_max_dist_16x }; return max_dist[log_samples]; } void radv_cayman_emit_msaa_sample_locs(struct radeon_winsys_cs *cs, int nr_samples) { switch (nr_samples) { default: case 1: radeon_set_context_reg(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 0); radeon_set_context_reg(cs, CM_R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, 0); radeon_set_context_reg(cs, CM_R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, 0); radeon_set_context_reg(cs, CM_R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, 0); break; case 2: radeon_set_context_reg(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, eg_sample_locs_2x[0]); radeon_set_context_reg(cs, CM_R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, eg_sample_locs_2x[1]); radeon_set_context_reg(cs, CM_R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, eg_sample_locs_2x[2]); radeon_set_context_reg(cs, CM_R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, eg_sample_locs_2x[3]); break; case 4: radeon_set_context_reg(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, eg_sample_locs_4x[0]); radeon_set_context_reg(cs, CM_R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, eg_sample_locs_4x[1]); radeon_set_context_reg(cs, CM_R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, eg_sample_locs_4x[2]); radeon_set_context_reg(cs, CM_R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, eg_sample_locs_4x[3]); break; case 8: radeon_set_context_reg_seq(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 14); radeon_emit(cs, cm_sample_locs_8x[0]); radeon_emit(cs, cm_sample_locs_8x[4]); radeon_emit(cs, 0); radeon_emit(cs, 0); radeon_emit(cs, cm_sample_locs_8x[1]); radeon_emit(cs, cm_sample_locs_8x[5]); radeon_emit(cs, 0); radeon_emit(cs, 0); radeon_emit(cs, cm_sample_locs_8x[2]); radeon_emit(cs, cm_sample_locs_8x[6]); radeon_emit(cs, 0); radeon_emit(cs, 0); radeon_emit(cs, cm_sample_locs_8x[3]); radeon_emit(cs, cm_sample_locs_8x[7]); break; case 16: radeon_set_context_reg_seq(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 16); radeon_emit(cs, cm_sample_locs_16x[0]); radeon_emit(cs, cm_sample_locs_16x[4]); radeon_emit(cs, cm_sample_locs_16x[8]); radeon_emit(cs, cm_sample_locs_16x[12]); radeon_emit(cs, cm_sample_locs_16x[1]); radeon_emit(cs, cm_sample_locs_16x[5]); radeon_emit(cs, cm_sample_locs_16x[9]); radeon_emit(cs, cm_sample_locs_16x[13]); radeon_emit(cs, cm_sample_locs_16x[2]); radeon_emit(cs, cm_sample_locs_16x[6]); radeon_emit(cs, cm_sample_locs_16x[10]); radeon_emit(cs, cm_sample_locs_16x[14]); radeon_emit(cs, cm_sample_locs_16x[3]); radeon_emit(cs, cm_sample_locs_16x[7]); radeon_emit(cs, cm_sample_locs_16x[11]); radeon_emit(cs, cm_sample_locs_16x[15]); break; } } static void radv_cayman_get_sample_position(struct radv_device *device, unsigned sample_count, unsigned sample_index, float *out_value) { int offset, index; struct { int idx:4; } val; switch (sample_count) { case 1: default: out_value[0] = out_value[1] = 0.5; break; case 2: offset = 4 * (sample_index * 2); val.idx = (eg_sample_locs_2x[0] >> offset) & 0xf; out_value[0] = (float)(val.idx + 8) / 16.0f; val.idx = (eg_sample_locs_2x[0] >> (offset + 4)) & 0xf; out_value[1] = (float)(val.idx + 8) / 16.0f; break; case 4: offset = 4 * (sample_index * 2); val.idx = (eg_sample_locs_4x[0] >> offset) & 0xf; out_value[0] = (float)(val.idx + 8) / 16.0f; val.idx = (eg_sample_locs_4x[0] >> (offset + 4)) & 0xf; out_value[1] = (float)(val.idx + 8) / 16.0f; break; case 8: offset = 4 * (sample_index % 4 * 2); index = (sample_index / 4) * 4; val.idx = (cm_sample_locs_8x[index] >> offset) & 0xf; out_value[0] = (float)(val.idx + 8) / 16.0f; val.idx = (cm_sample_locs_8x[index] >> (offset + 4)) & 0xf; out_value[1] = (float)(val.idx + 8) / 16.0f; break; case 16: offset = 4 * (sample_index % 4 * 2); index = (sample_index / 4) * 4; val.idx = (cm_sample_locs_16x[index] >> offset) & 0xf; out_value[0] = (float)(val.idx + 8) / 16.0f; val.idx = (cm_sample_locs_16x[index] >> (offset + 4)) & 0xf; out_value[1] = (float)(val.idx + 8) / 16.0f; break; } } void radv_device_init_msaa(struct radv_device *device) { int i; radv_cayman_get_sample_position(device, 1, 0, device->sample_locations_1x[0]); for (i = 0; i < 2; i++) radv_cayman_get_sample_position(device, 2, i, device->sample_locations_2x[i]); for (i = 0; i < 4; i++) radv_cayman_get_sample_position(device, 4, i, device->sample_locations_4x[i]); for (i = 0; i < 8; i++) radv_cayman_get_sample_position(device, 8, i, device->sample_locations_8x[i]); for (i = 0; i < 16; i++) radv_cayman_get_sample_position(device, 16, i, device->sample_locations_16x[i]); }