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Diffstat (limited to 'src/vulkan/genX_cmd_buffer.c')
| -rw-r--r-- | src/vulkan/genX_cmd_buffer.c | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/src/vulkan/genX_cmd_buffer.c b/src/vulkan/genX_cmd_buffer.c new file mode 100644 index 00000000000..1ab17470932 --- /dev/null +++ b/src/vulkan/genX_cmd_buffer.c @@ -0,0 +1,275 @@ +/* + * 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" + +#if (ANV_GEN == 9) +# include "gen9_pack.h" +#elif (ANV_GEN == 8) +# include "gen8_pack.h" +#elif (ANV_IS_HASWELL) +# include "gen75_pack.h" +#elif (ANV_GEN == 7) +# include "gen7_pack.h" +#endif + +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 (ANV_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 (ANV_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; + + struct GENX(PIPE_CONTROL) cmd = { + GENX(PIPE_CONTROL_header), + .PostSyncOperation = NoWrite, + }; + + /* XXX: I think waitEvent is a no-op on our HW. We should verify that. */ + + if (anv_clear_mask(&srcStageMask, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT)) { + /* This is just what PIPE_CONTROL does */ + } + + if (anv_clear_mask(&srcStageMask, + VK_PIPELINE_STAGE_DRAW_INDIRECT_BIT | + VK_PIPELINE_STAGE_VERTEX_INPUT_BIT | + VK_PIPELINE_STAGE_VERTEX_SHADER_BIT | + VK_PIPELINE_STAGE_TESSELLATION_CONTROL_SHADER_BIT | + VK_PIPELINE_STAGE_TESSELLATION_EVALUATION_SHADER_BIT | + VK_PIPELINE_STAGE_GEOMETRY_SHADER_BIT | + VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | + VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | + VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT | + VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT)) { + cmd.StallAtPixelScoreboard = true; + } + + if (anv_clear_mask(&srcStageMask, + VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT | + VK_PIPELINE_STAGE_TRANSFER_BIT)) { + cmd.CommandStreamerStallEnable = true; + } + + if (anv_clear_mask(&srcStageMask, VK_PIPELINE_STAGE_HOST_BIT)) { + anv_finishme("VK_PIPE_EVENT_CPU_SIGNAL_BIT"); + } + + /* On our hardware, all stages will wait for execution as needed. */ + (void)destStageMask; + + /* We checked all known VkPipeEventFlags. */ + anv_assert(srcStageMask == 0); + + /* 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; + } + + /* The src flags represent how things were used previously. This is + * what we use for doing flushes. + */ + for_each_bit(b, src_flags) { + switch ((VkAccessFlagBits)(1 << b)) { + case VK_ACCESS_SHADER_WRITE_BIT: + cmd.DCFlushEnable = true; + break; + case VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT: + cmd.RenderTargetCacheFlushEnable = true; + break; + case VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT: + cmd.DepthCacheFlushEnable = true; + break; + case VK_ACCESS_TRANSFER_WRITE_BIT: + cmd.RenderTargetCacheFlushEnable = true; + cmd.DepthCacheFlushEnable = true; + break; + default: + /* Doesn't require a flush */ + break; + } + } + + /* The dst flags represent how things will be used in the fugure. This + * is what we use for doing cache invalidations. + */ + 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: + cmd.VFCacheInvalidationEnable = true; + break; + case VK_ACCESS_UNIFORM_READ_BIT: + cmd.ConstantCacheInvalidationEnable = true; + /* fallthrough */ + case VK_ACCESS_SHADER_READ_BIT: + cmd.TextureCacheInvalidationEnable = true; + break; + case VK_ACCESS_COLOR_ATTACHMENT_READ_BIT: + cmd.TextureCacheInvalidationEnable = true; + break; + case VK_ACCESS_TRANSFER_READ_BIT: + cmd.TextureCacheInvalidationEnable = true; + break; + case VK_ACCESS_MEMORY_READ_BIT: + break; /* XXX: What is this? */ + default: + /* Doesn't require a flush */ + break; + } + } + + dw = anv_batch_emit_dwords(&cmd_buffer->batch, GENX(PIPE_CONTROL_length)); + GENX(PIPE_CONTROL_pack)(&cmd_buffer->batch, dw, &cmd); +} |