From: Bas Nieuwenhuizen Date: Wed, 16 Aug 2017 07:20:26 +0000 (+0200) Subject: radv: Implement multiview draws. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e3265c10c8950887729d7320eac3475af58215fc;p=mesa.git radv: Implement multiview draws. v2: - Use for_each_bit. - split emitting the draw packets out to separate functions. Reviewed-by: Dave Airlie --- diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c index f4167eb82df..cbe0de17db4 100644 --- a/src/amd/vulkan/radv_cmd_buffer.c +++ b/src/amd/vulkan/radv_cmd_buffer.c @@ -2665,6 +2665,38 @@ void radv_CmdNextSubpass( radv_cmd_buffer_clear_subpass(cmd_buffer); } +static void radv_emit_view_index(struct radv_cmd_buffer *cmd_buffer, unsigned index) +{ + struct radv_pipeline *pipeline = cmd_buffer->state.pipeline; + for (unsigned stage = 0; stage < MESA_SHADER_STAGES; ++stage) { + if (!pipeline->shaders[stage]) + continue; + struct ac_userdata_info *loc = radv_lookup_user_sgpr(pipeline, stage, AC_UD_VIEW_INDEX); + if (loc->sgpr_idx == -1) + continue; + uint32_t base_reg = radv_shader_stage_to_user_data_0(stage, radv_pipeline_has_gs(pipeline), radv_pipeline_has_tess(pipeline)); + radeon_set_sh_reg(cmd_buffer->cs, base_reg + loc->sgpr_idx * 4, index); + + } + if (pipeline->gs_copy_shader) { + struct ac_userdata_info *loc = &pipeline->gs_copy_shader->info.user_sgprs_locs.shader_data[AC_UD_VIEW_INDEX]; + if (loc->sgpr_idx != -1) { + uint32_t base_reg = R_00B130_SPI_SHADER_USER_DATA_VS_0; + radeon_set_sh_reg(cmd_buffer->cs, base_reg + loc->sgpr_idx * 4, index); + } + } +} + +static void +radv_cs_emit_draw_packet(struct radv_cmd_buffer *cmd_buffer, + uint32_t vertex_count) +{ + radeon_emit(cmd_buffer->cs, PKT3(PKT3_DRAW_INDEX_AUTO, 1, cmd_buffer->state.predicating)); + radeon_emit(cmd_buffer->cs, vertex_count); + radeon_emit(cmd_buffer->cs, V_0287F0_DI_SRC_SEL_AUTO_INDEX | + S_0287F0_USE_OPAQUE(0)); +} + void radv_CmdDraw( VkCommandBuffer commandBuffer, uint32_t vertexCount, @@ -2676,7 +2708,7 @@ void radv_CmdDraw( radv_cmd_buffer_flush_state(cmd_buffer, false, (instanceCount > 1), false, vertexCount); - MAYBE_UNUSED unsigned cdw_max = radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 10); + MAYBE_UNUSED unsigned cdw_max = radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 20 * MAX_VIEWS); assert(cmd_buffer->state.pipeline->graphics.vtx_base_sgpr); radeon_set_sh_reg_seq(cmd_buffer->cs, cmd_buffer->state.pipeline->graphics.vtx_base_sgpr, @@ -2689,16 +2721,36 @@ void radv_CmdDraw( radeon_emit(cmd_buffer->cs, PKT3(PKT3_NUM_INSTANCES, 0, cmd_buffer->state.predicating)); radeon_emit(cmd_buffer->cs, instanceCount); - radeon_emit(cmd_buffer->cs, PKT3(PKT3_DRAW_INDEX_AUTO, 1, cmd_buffer->state.predicating)); - radeon_emit(cmd_buffer->cs, vertexCount); - radeon_emit(cmd_buffer->cs, V_0287F0_DI_SRC_SEL_AUTO_INDEX | - S_0287F0_USE_OPAQUE(0)); + if (!cmd_buffer->state.subpass->view_mask) { + radv_cs_emit_draw_packet(cmd_buffer, vertexCount); + } else { + unsigned i; + for_each_bit(i, cmd_buffer->state.subpass->view_mask) { + radv_emit_view_index(cmd_buffer, i); + + radv_cs_emit_draw_packet(cmd_buffer, vertexCount); + } + } assert(cmd_buffer->cs->cdw <= cdw_max); radv_cmd_buffer_trace_emit(cmd_buffer); } + +static void +radv_cs_emit_draw_indexed_packet(struct radv_cmd_buffer *cmd_buffer, + uint64_t index_va, + uint32_t index_count) +{ + radeon_emit(cmd_buffer->cs, PKT3(PKT3_DRAW_INDEX_2, 4, false)); + radeon_emit(cmd_buffer->cs, cmd_buffer->state.max_index_count); + radeon_emit(cmd_buffer->cs, index_va); + radeon_emit(cmd_buffer->cs, (index_va >> 32UL) & 0xFF); + radeon_emit(cmd_buffer->cs, index_count); + radeon_emit(cmd_buffer->cs, V_0287F0_DI_SRC_SEL_DMA); +} + void radv_CmdDrawIndexed( VkCommandBuffer commandBuffer, uint32_t indexCount, @@ -2713,7 +2765,7 @@ void radv_CmdDrawIndexed( radv_cmd_buffer_flush_state(cmd_buffer, true, (instanceCount > 1), false, indexCount); - MAYBE_UNUSED unsigned cdw_max = radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 16); + MAYBE_UNUSED unsigned cdw_max = radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 26 * MAX_VIEWS); if (cmd_buffer->device->physical_device->rad_info.chip_class >= GFX9) { radeon_set_uconfig_reg_idx(cmd_buffer->cs, R_03090C_VGT_INDEX_TYPE, @@ -2736,17 +2788,51 @@ void radv_CmdDrawIndexed( index_va = cmd_buffer->state.index_va; index_va += firstIndex * index_size; - radeon_emit(cmd_buffer->cs, PKT3(PKT3_DRAW_INDEX_2, 4, false)); - radeon_emit(cmd_buffer->cs, cmd_buffer->state.max_index_count); - radeon_emit(cmd_buffer->cs, index_va); - radeon_emit(cmd_buffer->cs, (index_va >> 32UL) & 0xFF); - radeon_emit(cmd_buffer->cs, indexCount); - radeon_emit(cmd_buffer->cs, V_0287F0_DI_SRC_SEL_DMA); + if (!cmd_buffer->state.subpass->view_mask) { + radv_cs_emit_draw_indexed_packet(cmd_buffer, index_va, indexCount); + } else { + unsigned i; + for_each_bit(i, cmd_buffer->state.subpass->view_mask) { + radv_emit_view_index(cmd_buffer, i); + + radv_cs_emit_draw_indexed_packet(cmd_buffer, index_va, indexCount); + } + } assert(cmd_buffer->cs->cdw <= cdw_max); radv_cmd_buffer_trace_emit(cmd_buffer); } +static void +radv_cs_emit_indirect_draw_packet(struct radv_cmd_buffer *cmd_buffer, + bool indexed, + uint32_t draw_count, + uint64_t count_va, + uint32_t stride) +{ + struct radeon_winsys_cs *cs = cmd_buffer->cs; + unsigned di_src_sel = indexed ? V_0287F0_DI_SRC_SEL_DMA + : V_0287F0_DI_SRC_SEL_AUTO_INDEX; + bool draw_id_enable = cmd_buffer->state.pipeline->shaders[MESA_SHADER_VERTEX]->info.info.vs.needs_draw_id; + uint32_t base_reg = cmd_buffer->state.pipeline->graphics.vtx_base_sgpr; + assert(base_reg); + + radeon_emit(cs, PKT3(indexed ? PKT3_DRAW_INDEX_INDIRECT_MULTI : + PKT3_DRAW_INDIRECT_MULTI, + 8, false)); + radeon_emit(cs, 0); + radeon_emit(cs, (base_reg - SI_SH_REG_OFFSET) >> 2); + radeon_emit(cs, ((base_reg + 4) - SI_SH_REG_OFFSET) >> 2); + radeon_emit(cs, (((base_reg + 8) - SI_SH_REG_OFFSET) >> 2) | + S_2C3_DRAW_INDEX_ENABLE(draw_id_enable) | + S_2C3_COUNT_INDIRECT_ENABLE(!!count_va)); + radeon_emit(cs, draw_count); /* count */ + radeon_emit(cs, count_va); /* count_addr */ + radeon_emit(cs, count_va >> 32); + radeon_emit(cs, stride); /* stride */ + radeon_emit(cs, di_src_sel); +} + static void radv_emit_indirect_draw(struct radv_cmd_buffer *cmd_buffer, VkBuffer _buffer, @@ -2760,8 +2846,7 @@ radv_emit_indirect_draw(struct radv_cmd_buffer *cmd_buffer, RADV_FROM_HANDLE(radv_buffer, buffer, _buffer); RADV_FROM_HANDLE(radv_buffer, count_buffer, _count_buffer); struct radeon_winsys_cs *cs = cmd_buffer->cs; - unsigned di_src_sel = indexed ? V_0287F0_DI_SRC_SEL_DMA - : V_0287F0_DI_SRC_SEL_AUTO_INDEX; + uint64_t indirect_va = cmd_buffer->device->ws->buffer_get_va(buffer->bo); indirect_va += offset + buffer->offset; uint64_t count_va = 0; @@ -2775,29 +2860,22 @@ radv_emit_indirect_draw(struct radv_cmd_buffer *cmd_buffer, return; cmd_buffer->device->ws->cs_add_buffer(cs, buffer->bo, 8); - bool draw_id_enable = cmd_buffer->state.pipeline->shaders[MESA_SHADER_VERTEX]->info.info.vs.needs_draw_id; - uint32_t base_reg = cmd_buffer->state.pipeline->graphics.vtx_base_sgpr; - assert(base_reg); radeon_emit(cs, PKT3(PKT3_SET_BASE, 2, 0)); radeon_emit(cs, 1); radeon_emit(cs, indirect_va); radeon_emit(cs, indirect_va >> 32); - radeon_emit(cs, PKT3(indexed ? PKT3_DRAW_INDEX_INDIRECT_MULTI : - PKT3_DRAW_INDIRECT_MULTI, - 8, false)); - radeon_emit(cs, 0); - radeon_emit(cs, (base_reg - SI_SH_REG_OFFSET) >> 2); - radeon_emit(cs, ((base_reg + 4) - SI_SH_REG_OFFSET) >> 2); - radeon_emit(cs, (((base_reg + 8) - SI_SH_REG_OFFSET) >> 2) | - S_2C3_DRAW_INDEX_ENABLE(draw_id_enable) | - S_2C3_COUNT_INDIRECT_ENABLE(!!count_va)); - radeon_emit(cs, draw_count); /* count */ - radeon_emit(cs, count_va); /* count_addr */ - radeon_emit(cs, count_va >> 32); - radeon_emit(cs, stride); /* stride */ - radeon_emit(cs, di_src_sel); + if (!cmd_buffer->state.subpass->view_mask) { + radv_cs_emit_indirect_draw_packet(cmd_buffer, indexed, draw_count, count_va, stride); + } else { + unsigned i; + for_each_bit(i, cmd_buffer->state.subpass->view_mask) { + radv_emit_view_index(cmd_buffer, i); + + radv_cs_emit_indirect_draw_packet(cmd_buffer, indexed, draw_count, count_va, stride); + } + } radv_cmd_buffer_trace_emit(cmd_buffer); } @@ -2814,7 +2892,7 @@ radv_cmd_draw_indirect_count(VkCommandBuffer command radv_cmd_buffer_flush_state(cmd_buffer, false, false, true, 0); MAYBE_UNUSED unsigned cdw_max = radeon_check_space(cmd_buffer->device->ws, - cmd_buffer->cs, 14); + cmd_buffer->cs, 24 * MAX_VIEWS); radv_emit_indirect_draw(cmd_buffer, buffer, offset, countBuffer, countBufferOffset, maxDrawCount, stride, false); @@ -2838,7 +2916,7 @@ radv_cmd_draw_indexed_indirect_count( index_va = cmd_buffer->state.index_va; - MAYBE_UNUSED unsigned cdw_max = radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 21); + MAYBE_UNUSED unsigned cdw_max = radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 31 * MAX_VIEWS); radeon_emit(cmd_buffer->cs, PKT3(PKT3_INDEX_TYPE, 0, 0)); radeon_emit(cmd_buffer->cs, cmd_buffer->state.index_type); diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h index 31f4d285aa7..0e297f5b6ea 100644 --- a/src/amd/vulkan/radv_private.h +++ b/src/amd/vulkan/radv_private.h @@ -86,6 +86,7 @@ typedef uint32_t xcb_window_t; #define MAX_SAMPLES_LOG2 4 #define NUM_META_FS_KEYS 13 #define RADV_MAX_DRM_DEVICES 8 +#define MAX_VIEWS 8 #define NUM_DEPTH_CLEAR_PIPELINES 3