/* * Copyright © 2015 Intel Corporation * * 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. */ #include <assert.h> #include <stdbool.h> #include "anv_private.h" #include "genxml/gen_macros.h" #include "genxml/genX_pack.h" void genX(cmd_buffer_emit_state_base_address)(struct anv_cmd_buffer *cmd_buffer) { struct anv_device *device = cmd_buffer->device; struct anv_bo *scratch_bo = NULL; cmd_buffer->state.scratch_size = anv_block_pool_size(&device->scratch_block_pool); if (cmd_buffer->state.scratch_size > 0) scratch_bo = &device->scratch_block_pool.bo; /* XXX: Do we need this on more than just BDW? */ #if (GEN_GEN >= 8) /* Emit a render target cache flush. * * This isn't documented anywhere in the PRM. However, it seems to be * necessary prior to changing the surface state base adress. Without * this, we get GPU hangs when using multi-level command buffers which * clear depth, reset state base address, and then go render stuff. */ anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), .RenderTargetCacheFlushEnable = true); #endif anv_batch_emit(&cmd_buffer->batch, GENX(STATE_BASE_ADDRESS), .GeneralStateBaseAddress = { scratch_bo, 0 }, .GeneralStateMemoryObjectControlState = GENX(MOCS), .GeneralStateBaseAddressModifyEnable = true, .SurfaceStateBaseAddress = anv_cmd_buffer_surface_base_address(cmd_buffer), .SurfaceStateMemoryObjectControlState = GENX(MOCS), .SurfaceStateBaseAddressModifyEnable = true, .DynamicStateBaseAddress = { &device->dynamic_state_block_pool.bo, 0 }, .DynamicStateMemoryObjectControlState = GENX(MOCS), .DynamicStateBaseAddressModifyEnable = true, .IndirectObjectBaseAddress = { NULL, 0 }, .IndirectObjectMemoryObjectControlState = GENX(MOCS), .IndirectObjectBaseAddressModifyEnable = true, .InstructionBaseAddress = { &device->instruction_block_pool.bo, 0 }, .InstructionMemoryObjectControlState = GENX(MOCS), .InstructionBaseAddressModifyEnable = true, # if (GEN_GEN >= 8) /* Broadwell requires that we specify a buffer size for a bunch of * these fields. However, since we will be growing the BO's live, we * just set them all to the maximum. */ .GeneralStateBufferSize = 0xfffff, .GeneralStateBufferSizeModifyEnable = true, .DynamicStateBufferSize = 0xfffff, .DynamicStateBufferSizeModifyEnable = true, .IndirectObjectBufferSize = 0xfffff, .IndirectObjectBufferSizeModifyEnable = true, .InstructionBufferSize = 0xfffff, .InstructionBuffersizeModifyEnable = true, # endif ); /* After re-setting the surface state base address, we have to do some * cache flusing so that the sampler engine will pick up the new * SURFACE_STATE objects and binding tables. From the Broadwell PRM, * Shared Function > 3D Sampler > State > State Caching (page 96): * * Coherency with system memory in the state cache, like the texture * cache is handled partially by software. It is expected that the * command stream or shader will issue Cache Flush operation or * Cache_Flush sampler message to ensure that the L1 cache remains * coherent with system memory. * * [...] * * Whenever the value of the Dynamic_State_Base_Addr, * Surface_State_Base_Addr are altered, the L1 state cache must be * invalidated to ensure the new surface or sampler state is fetched * from system memory. * * The PIPE_CONTROL command has a "State Cache Invalidation Enable" bit * which, according the PIPE_CONTROL instruction documentation in the * Broadwell PRM: * * Setting this bit is independent of any other bit in this packet. * This bit controls the invalidation of the L1 and L2 state caches * at the top of the pipe i.e. at the parsing time. * * Unfortunately, experimentation seems to indicate that state cache * invalidation through a PIPE_CONTROL does nothing whatsoever in * regards to surface state and binding tables. In stead, it seems that * invalidating the texture cache is what is actually needed. * * XXX: As far as we have been able to determine through * experimentation, shows that flush the texture cache appears to be * sufficient. The theory here is that all of the sampling/rendering * units cache the binding table in the texture cache. However, we have * yet to be able to actually confirm this. */ anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), .TextureCacheInvalidationEnable = true); } void genX(CmdPipelineBarrier)( VkCommandBuffer commandBuffer, VkPipelineStageFlags srcStageMask, VkPipelineStageFlags destStageMask, VkBool32 byRegion, uint32_t memoryBarrierCount, const VkMemoryBarrier* pMemoryBarriers, uint32_t bufferMemoryBarrierCount, const VkBufferMemoryBarrier* pBufferMemoryBarriers, uint32_t imageMemoryBarrierCount, const VkImageMemoryBarrier* pImageMemoryBarriers) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); uint32_t b, *dw; /* XXX: Right now, we're really dumb and just flush whatever categories * the app asks for. One of these days we may make this a bit better * but right now that's all the hardware allows for in most areas. */ VkAccessFlags src_flags = 0; VkAccessFlags dst_flags = 0; for (uint32_t i = 0; i < memoryBarrierCount; i++) { src_flags |= pMemoryBarriers[i].srcAccessMask; dst_flags |= pMemoryBarriers[i].dstAccessMask; } for (uint32_t i = 0; i < bufferMemoryBarrierCount; i++) { src_flags |= pBufferMemoryBarriers[i].srcAccessMask; dst_flags |= pBufferMemoryBarriers[i].dstAccessMask; } for (uint32_t i = 0; i < imageMemoryBarrierCount; i++) { src_flags |= pImageMemoryBarriers[i].srcAccessMask; dst_flags |= pImageMemoryBarriers[i].dstAccessMask; } /* Mask out the Source access flags we care about */ const uint32_t src_mask = VK_ACCESS_SHADER_WRITE_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT | VK_ACCESS_TRANSFER_WRITE_BIT; src_flags = src_flags & src_mask; /* Mask out the destination access flags we care about */ const uint32_t dst_mask = VK_ACCESS_INDIRECT_COMMAND_READ_BIT | VK_ACCESS_INDEX_READ_BIT | VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT | VK_ACCESS_UNIFORM_READ_BIT | VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_TRANSFER_READ_BIT; dst_flags = dst_flags & dst_mask; /* The src flags represent how things were used previously. This is * what we use for doing flushes. */ struct GENX(PIPE_CONTROL) flush_cmd = { GENX(PIPE_CONTROL_header), .PostSyncOperation = NoWrite, }; for_each_bit(b, src_flags) { switch ((VkAccessFlagBits)(1 << b)) { case VK_ACCESS_SHADER_WRITE_BIT: flush_cmd.DCFlushEnable = true; break; case VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT: flush_cmd.RenderTargetCacheFlushEnable = true; break; case VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT: flush_cmd.DepthCacheFlushEnable = true; break; case VK_ACCESS_TRANSFER_WRITE_BIT: flush_cmd.RenderTargetCacheFlushEnable = true; flush_cmd.DepthCacheFlushEnable = true; break; default: unreachable("should've masked this out by now"); } } /* If we end up doing two PIPE_CONTROLs, the first, flusing one also has to * stall and wait for the flushing to finish, so we don't re-dirty the * caches with in-flight rendering after the second PIPE_CONTROL * invalidates. */ if (dst_flags) flush_cmd.CommandStreamerStallEnable = true; if (src_flags && dst_flags) { dw = anv_batch_emit_dwords(&cmd_buffer->batch, GENX(PIPE_CONTROL_length)); GENX(PIPE_CONTROL_pack)(&cmd_buffer->batch, dw, &flush_cmd); } /* The dst flags represent how things will be used in the future. This * is what we use for doing cache invalidations. */ struct GENX(PIPE_CONTROL) invalidate_cmd = { GENX(PIPE_CONTROL_header), .PostSyncOperation = NoWrite, }; for_each_bit(b, dst_flags) { switch ((VkAccessFlagBits)(1 << b)) { case VK_ACCESS_INDIRECT_COMMAND_READ_BIT: case VK_ACCESS_INDEX_READ_BIT: case VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT: invalidate_cmd.VFCacheInvalidationEnable = true; break; case VK_ACCESS_UNIFORM_READ_BIT: invalidate_cmd.ConstantCacheInvalidationEnable = true; /* fallthrough */ case VK_ACCESS_SHADER_READ_BIT: invalidate_cmd.TextureCacheInvalidationEnable = true; break; case VK_ACCESS_COLOR_ATTACHMENT_READ_BIT: invalidate_cmd.TextureCacheInvalidationEnable = true; break; case VK_ACCESS_TRANSFER_READ_BIT: invalidate_cmd.TextureCacheInvalidationEnable = true; break; default: unreachable("should've masked this out by now"); } } if (dst_flags) { dw = anv_batch_emit_dwords(&cmd_buffer->batch, GENX(PIPE_CONTROL_length)); GENX(PIPE_CONTROL_pack)(&cmd_buffer->batch, dw, &invalidate_cmd); } } static void emit_base_vertex_instance_bo(struct anv_cmd_buffer *cmd_buffer, struct anv_bo *bo, uint32_t offset) { uint32_t *p = anv_batch_emitn(&cmd_buffer->batch, 5, GENX(3DSTATE_VERTEX_BUFFERS)); GENX(VERTEX_BUFFER_STATE_pack)(&cmd_buffer->batch, p + 1, &(struct GENX(VERTEX_BUFFER_STATE)) { .VertexBufferIndex = 32, /* Reserved for this */ .AddressModifyEnable = true, .BufferPitch = 0, #if (GEN_GEN >= 8) .MemoryObjectControlState = GENX(MOCS), .BufferStartingAddress = { bo, offset }, .BufferSize = 8 #else .VertexBufferMemoryObjectControlState = GENX(MOCS), .BufferStartingAddress = { bo, offset }, .EndAddress = { bo, offset + 8 }, #endif }); } static void emit_base_vertex_instance(struct anv_cmd_buffer *cmd_buffer, uint32_t base_vertex, uint32_t base_instance) { struct anv_state id_state = anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, 8, 4); ((uint32_t *)id_state.map)[0] = base_vertex; ((uint32_t *)id_state.map)[1] = base_instance; if (!cmd_buffer->device->info.has_llc) anv_state_clflush(id_state); emit_base_vertex_instance_bo(cmd_buffer, &cmd_buffer->device->dynamic_state_block_pool.bo, id_state.offset); } void genX(CmdDraw)( VkCommandBuffer commandBuffer, uint32_t vertexCount, uint32_t instanceCount, uint32_t firstVertex, uint32_t firstInstance) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); struct anv_pipeline *pipeline = cmd_buffer->state.pipeline; genX(cmd_buffer_flush_state)(cmd_buffer); if (cmd_buffer->state.pipeline->vs_prog_data.uses_basevertex || cmd_buffer->state.pipeline->vs_prog_data.uses_baseinstance) emit_base_vertex_instance(cmd_buffer, firstVertex, firstInstance); anv_batch_emit(&cmd_buffer->batch, GENX(3DPRIMITIVE), .VertexAccessType = SEQUENTIAL, .PrimitiveTopologyType = pipeline->topology, .VertexCountPerInstance = vertexCount, .StartVertexLocation = firstVertex, .InstanceCount = instanceCount, .StartInstanceLocation = firstInstance, .BaseVertexLocation = 0); } void genX(CmdDrawIndexed)( VkCommandBuffer commandBuffer, uint32_t indexCount, uint32_t instanceCount, uint32_t firstIndex, int32_t vertexOffset, uint32_t firstInstance) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); struct anv_pipeline *pipeline = cmd_buffer->state.pipeline; genX(cmd_buffer_flush_state)(cmd_buffer); if (cmd_buffer->state.pipeline->vs_prog_data.uses_basevertex || cmd_buffer->state.pipeline->vs_prog_data.uses_baseinstance) emit_base_vertex_instance(cmd_buffer, vertexOffset, firstInstance); anv_batch_emit(&cmd_buffer->batch, GENX(3DPRIMITIVE), .VertexAccessType = RANDOM, .PrimitiveTopologyType = pipeline->topology, .VertexCountPerInstance = indexCount, .StartVertexLocation = firstIndex, .InstanceCount = instanceCount, .StartInstanceLocation = firstInstance, .BaseVertexLocation = vertexOffset); } /* Auto-Draw / Indirect Registers */ #define GEN7_3DPRIM_END_OFFSET 0x2420 #define GEN7_3DPRIM_START_VERTEX 0x2430 #define GEN7_3DPRIM_VERTEX_COUNT 0x2434 #define GEN7_3DPRIM_INSTANCE_COUNT 0x2438 #define GEN7_3DPRIM_START_INSTANCE 0x243C #define GEN7_3DPRIM_BASE_VERTEX 0x2440 static void emit_lrm(struct anv_batch *batch, uint32_t reg, struct anv_bo *bo, uint32_t offset) { anv_batch_emit(batch, GENX(MI_LOAD_REGISTER_MEM), .RegisterAddress = reg, .MemoryAddress = { bo, offset }); } static void emit_lri(struct anv_batch *batch, uint32_t reg, uint32_t imm) { anv_batch_emit(batch, GENX(MI_LOAD_REGISTER_IMM), .RegisterOffset = reg, .DataDWord = imm); } void genX(CmdDrawIndirect)( VkCommandBuffer commandBuffer, VkBuffer _buffer, VkDeviceSize offset, uint32_t drawCount, uint32_t stride) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); ANV_FROM_HANDLE(anv_buffer, buffer, _buffer); struct anv_pipeline *pipeline = cmd_buffer->state.pipeline; struct anv_bo *bo = buffer->bo; uint32_t bo_offset = buffer->offset + offset; genX(cmd_buffer_flush_state)(cmd_buffer); if (cmd_buffer->state.pipeline->vs_prog_data.uses_basevertex || cmd_buffer->state.pipeline->vs_prog_data.uses_baseinstance) emit_base_vertex_instance_bo(cmd_buffer, bo, bo_offset + 8); emit_lrm(&cmd_buffer->batch, GEN7_3DPRIM_VERTEX_COUNT, bo, bo_offset); emit_lrm(&cmd_buffer->batch, GEN7_3DPRIM_INSTANCE_COUNT, bo, bo_offset + 4); emit_lrm(&cmd_buffer->batch, GEN7_3DPRIM_START_VERTEX, bo, bo_offset + 8); emit_lrm(&cmd_buffer->batch, GEN7_3DPRIM_START_INSTANCE, bo, bo_offset + 12); emit_lri(&cmd_buffer->batch, GEN7_3DPRIM_BASE_VERTEX, 0); anv_batch_emit(&cmd_buffer->batch, GENX(3DPRIMITIVE), .IndirectParameterEnable = true, .VertexAccessType = SEQUENTIAL, .PrimitiveTopologyType = pipeline->topology); } void genX(CmdDrawIndexedIndirect)( VkCommandBuffer commandBuffer, VkBuffer _buffer, VkDeviceSize offset, uint32_t drawCount, uint32_t stride) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); ANV_FROM_HANDLE(anv_buffer, buffer, _buffer); struct anv_pipeline *pipeline = cmd_buffer->state.pipeline; struct anv_bo *bo = buffer->bo; uint32_t bo_offset = buffer->offset + offset; genX(cmd_buffer_flush_state)(cmd_buffer); /* TODO: We need to stomp base vertex to 0 somehow */ if (cmd_buffer->state.pipeline->vs_prog_data.uses_basevertex || cmd_buffer->state.pipeline->vs_prog_data.uses_baseinstance) emit_base_vertex_instance_bo(cmd_buffer, bo, bo_offset + 12); emit_lrm(&cmd_buffer->batch, GEN7_3DPRIM_VERTEX_COUNT, bo, bo_offset); emit_lrm(&cmd_buffer->batch, GEN7_3DPRIM_INSTANCE_COUNT, bo, bo_offset + 4); emit_lrm(&cmd_buffer->batch, GEN7_3DPRIM_START_VERTEX, bo, bo_offset + 8); emit_lrm(&cmd_buffer->batch, GEN7_3DPRIM_BASE_VERTEX, bo, bo_offset + 12); emit_lrm(&cmd_buffer->batch, GEN7_3DPRIM_START_INSTANCE, bo, bo_offset + 16); anv_batch_emit(&cmd_buffer->batch, GENX(3DPRIMITIVE), .IndirectParameterEnable = true, .VertexAccessType = RANDOM, .PrimitiveTopologyType = pipeline->topology); } void genX(CmdDispatch)( VkCommandBuffer commandBuffer, uint32_t x, uint32_t y, uint32_t z) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); struct anv_pipeline *pipeline = cmd_buffer->state.compute_pipeline; struct brw_cs_prog_data *prog_data = &pipeline->cs_prog_data; if (prog_data->uses_num_work_groups) { struct anv_state state = anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, 12, 4); uint32_t *sizes = state.map; sizes[0] = x; sizes[1] = y; sizes[2] = z; if (!cmd_buffer->device->info.has_llc) anv_state_clflush(state); cmd_buffer->state.num_workgroups_offset = state.offset; cmd_buffer->state.num_workgroups_bo = &cmd_buffer->device->dynamic_state_block_pool.bo; } genX(cmd_buffer_flush_compute_state)(cmd_buffer); anv_batch_emit(&cmd_buffer->batch, GENX(GPGPU_WALKER), .SIMDSize = prog_data->simd_size / 16, .ThreadDepthCounterMaximum = 0, .ThreadHeightCounterMaximum = 0, .ThreadWidthCounterMaximum = pipeline->cs_thread_width_max - 1, .ThreadGroupIDXDimension = x, .ThreadGroupIDYDimension = y, .ThreadGroupIDZDimension = z, .RightExecutionMask = pipeline->cs_right_mask, .BottomExecutionMask = 0xffffffff); anv_batch_emit(&cmd_buffer->batch, GENX(MEDIA_STATE_FLUSH)); } #define GPGPU_DISPATCHDIMX 0x2500 #define GPGPU_DISPATCHDIMY 0x2504 #define GPGPU_DISPATCHDIMZ 0x2508 #define MI_PREDICATE_SRC0 0x2400 #define MI_PREDICATE_SRC1 0x2408 void genX(CmdDispatchIndirect)( VkCommandBuffer commandBuffer, VkBuffer _buffer, VkDeviceSize offset) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); ANV_FROM_HANDLE(anv_buffer, buffer, _buffer); struct anv_pipeline *pipeline = cmd_buffer->state.compute_pipeline; struct brw_cs_prog_data *prog_data = &pipeline->cs_prog_data; struct anv_bo *bo = buffer->bo; uint32_t bo_offset = buffer->offset + offset; struct anv_batch *batch = &cmd_buffer->batch; if (prog_data->uses_num_work_groups) { cmd_buffer->state.num_workgroups_offset = bo_offset; cmd_buffer->state.num_workgroups_bo = bo; } genX(cmd_buffer_flush_compute_state)(cmd_buffer); emit_lrm(batch, GPGPU_DISPATCHDIMX, bo, bo_offset); emit_lrm(batch, GPGPU_DISPATCHDIMY, bo, bo_offset + 4); emit_lrm(batch, GPGPU_DISPATCHDIMZ, bo, bo_offset + 8); #if GEN_GEN <= 7 /* Clear upper 32-bits of SRC0 and all 64-bits of SRC1 */ emit_lri(batch, MI_PREDICATE_SRC0 + 4, 0); emit_lri(batch, MI_PREDICATE_SRC1 + 0, 0); emit_lri(batch, MI_PREDICATE_SRC1 + 4, 0); /* Load compute_dispatch_indirect_x_size into SRC0 */ emit_lrm(batch, MI_PREDICATE_SRC0, bo, bo_offset + 0); /* predicate = (compute_dispatch_indirect_x_size == 0); */ anv_batch_emit(batch, GENX(MI_PREDICATE), .LoadOperation = LOAD_LOAD, .CombineOperation = COMBINE_SET, .CompareOperation = COMPARE_SRCS_EQUAL); /* Load compute_dispatch_indirect_y_size into SRC0 */ emit_lrm(batch, MI_PREDICATE_SRC0, bo, bo_offset + 4); /* predicate |= (compute_dispatch_indirect_y_size == 0); */ anv_batch_emit(batch, GENX(MI_PREDICATE), .LoadOperation = LOAD_LOAD, .CombineOperation = COMBINE_OR, .CompareOperation = COMPARE_SRCS_EQUAL); /* Load compute_dispatch_indirect_z_size into SRC0 */ emit_lrm(batch, MI_PREDICATE_SRC0, bo, bo_offset + 8); /* predicate |= (compute_dispatch_indirect_z_size == 0); */ anv_batch_emit(batch, GENX(MI_PREDICATE), .LoadOperation = LOAD_LOAD, .CombineOperation = COMBINE_OR, .CompareOperation = COMPARE_SRCS_EQUAL); /* predicate = !predicate; */ #define COMPARE_FALSE 1 anv_batch_emit(batch, GENX(MI_PREDICATE), .LoadOperation = LOAD_LOADINV, .CombineOperation = COMBINE_OR, .CompareOperation = COMPARE_FALSE); #endif anv_batch_emit(batch, GENX(GPGPU_WALKER), .IndirectParameterEnable = true, .PredicateEnable = GEN_GEN <= 7, .SIMDSize = prog_data->simd_size / 16, .ThreadDepthCounterMaximum = 0, .ThreadHeightCounterMaximum = 0, .ThreadWidthCounterMaximum = pipeline->cs_thread_width_max - 1, .RightExecutionMask = pipeline->cs_right_mask, .BottomExecutionMask = 0xffffffff); anv_batch_emit(batch, GENX(MEDIA_STATE_FLUSH)); } void genX(flush_pipeline_select_3d)(struct anv_cmd_buffer *cmd_buffer) { if (cmd_buffer->state.current_pipeline != _3D) { anv_batch_emit(&cmd_buffer->batch, GENX(PIPELINE_SELECT), #if GEN_GEN >= 9 .MaskBits = 3, #endif .PipelineSelection = _3D); cmd_buffer->state.current_pipeline = _3D; } } static void cmd_buffer_emit_depth_stencil(struct anv_cmd_buffer *cmd_buffer) { struct anv_device *device = cmd_buffer->device; const struct anv_framebuffer *fb = cmd_buffer->state.framebuffer; const struct anv_image_view *iview = anv_cmd_buffer_get_depth_stencil_view(cmd_buffer); const struct anv_image *image = iview ? iview->image : NULL; const struct anv_format *anv_format = iview ? anv_format_for_vk_format(iview->vk_format) : NULL; const bool has_depth = iview && anv_format->has_depth; const bool has_stencil = iview && anv_format->has_stencil; /* FIXME: Implement the PMA stall W/A */ /* FIXME: Width and Height are wrong */ /* Emit 3DSTATE_DEPTH_BUFFER */ if (has_depth) { anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_DEPTH_BUFFER), .SurfaceType = SURFTYPE_2D, .DepthWriteEnable = true, .StencilWriteEnable = has_stencil, .HierarchicalDepthBufferEnable = false, .SurfaceFormat = isl_surf_get_depth_format(&device->isl_dev, &image->depth_surface.isl), .SurfacePitch = image->depth_surface.isl.row_pitch - 1, .SurfaceBaseAddress = { .bo = image->bo, .offset = image->offset + image->depth_surface.offset, }, .Height = fb->height - 1, .Width = fb->width - 1, .LOD = 0, .Depth = 1 - 1, .MinimumArrayElement = 0, .DepthBufferObjectControlState = GENX(MOCS), #if GEN_GEN >= 8 .SurfaceQPitch = isl_surf_get_array_pitch_el_rows(&image->depth_surface.isl) >> 2, #endif .RenderTargetViewExtent = 1 - 1); } else { /* Even when no depth buffer is present, the hardware requires that * 3DSTATE_DEPTH_BUFFER be programmed correctly. The Broadwell PRM says: * * If a null depth buffer is bound, the driver must instead bind depth as: * 3DSTATE_DEPTH.SurfaceType = SURFTYPE_2D * 3DSTATE_DEPTH.Width = 1 * 3DSTATE_DEPTH.Height = 1 * 3DSTATE_DEPTH.SuraceFormat = D16_UNORM * 3DSTATE_DEPTH.SurfaceBaseAddress = 0 * 3DSTATE_DEPTH.HierarchicalDepthBufferEnable = 0 * 3DSTATE_WM_DEPTH_STENCIL.DepthTestEnable = 0 * 3DSTATE_WM_DEPTH_STENCIL.DepthBufferWriteEnable = 0 * * The PRM is wrong, though. The width and height must be programmed to * actual framebuffer's width and height, even when neither depth buffer * nor stencil buffer is present. */ anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_DEPTH_BUFFER), .SurfaceType = SURFTYPE_2D, .SurfaceFormat = D16_UNORM, .Width = fb->width - 1, .Height = fb->height - 1, .StencilWriteEnable = has_stencil); } /* Emit 3DSTATE_STENCIL_BUFFER */ if (has_stencil) { anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_STENCIL_BUFFER), #if GEN_GEN >= 8 || GEN_IS_HASWELL .StencilBufferEnable = true, #endif .StencilBufferObjectControlState = GENX(MOCS), /* Stencil buffers have strange pitch. The PRM says: * * The pitch must be set to 2x the value computed based on width, * as the stencil buffer is stored with two rows interleaved. */ .SurfacePitch = 2 * image->stencil_surface.isl.row_pitch - 1, #if GEN_GEN >= 8 .SurfaceQPitch = isl_surf_get_array_pitch_el_rows(&image->stencil_surface.isl) >> 2, #endif .SurfaceBaseAddress = { .bo = image->bo, .offset = image->offset + image->stencil_surface.offset, }); } else { anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_STENCIL_BUFFER)); } /* Disable hierarchial depth buffers. */ anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_HIER_DEPTH_BUFFER)); /* Clear the clear params. */ anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_CLEAR_PARAMS)); } /** * @see anv_cmd_buffer_set_subpass() */ void genX(cmd_buffer_set_subpass)(struct anv_cmd_buffer *cmd_buffer, struct anv_subpass *subpass) { cmd_buffer->state.subpass = subpass; cmd_buffer->state.descriptors_dirty |= VK_SHADER_STAGE_FRAGMENT_BIT; cmd_buffer_emit_depth_stencil(cmd_buffer); } void genX(CmdBeginRenderPass)( VkCommandBuffer commandBuffer, const VkRenderPassBeginInfo* pRenderPassBegin, VkSubpassContents contents) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); ANV_FROM_HANDLE(anv_render_pass, pass, pRenderPassBegin->renderPass); ANV_FROM_HANDLE(anv_framebuffer, framebuffer, pRenderPassBegin->framebuffer); cmd_buffer->state.framebuffer = framebuffer; cmd_buffer->state.pass = pass; anv_cmd_state_setup_attachments(cmd_buffer, pRenderPassBegin); genX(flush_pipeline_select_3d)(cmd_buffer); const VkRect2D *render_area = &pRenderPassBegin->renderArea; anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_DRAWING_RECTANGLE), .ClippedDrawingRectangleYMin = MAX2(render_area->offset.y, 0), .ClippedDrawingRectangleXMin = MAX2(render_area->offset.x, 0), .ClippedDrawingRectangleYMax = render_area->offset.y + render_area->extent.height - 1, .ClippedDrawingRectangleXMax = render_area->offset.x + render_area->extent.width - 1, .DrawingRectangleOriginY = 0, .DrawingRectangleOriginX = 0); genX(cmd_buffer_set_subpass)(cmd_buffer, pass->subpasses); anv_cmd_buffer_clear_subpass(cmd_buffer); } void genX(CmdNextSubpass)( VkCommandBuffer commandBuffer, VkSubpassContents contents) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); assert(cmd_buffer->level == VK_COMMAND_BUFFER_LEVEL_PRIMARY); anv_cmd_buffer_resolve_subpass(cmd_buffer); genX(cmd_buffer_set_subpass)(cmd_buffer, cmd_buffer->state.subpass + 1); anv_cmd_buffer_clear_subpass(cmd_buffer); } void genX(CmdEndRenderPass)( VkCommandBuffer commandBuffer) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); anv_cmd_buffer_resolve_subpass(cmd_buffer); }