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https://git.code.sf.net/p/quake/quakeforge
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17b00a3d05
And clean up the resulting errors. While some were tricky, there weren't all that many: just some attachment issues and the multi-stage image copy for scraps. Fixing scraps required a barrier between copies. It might be overkill, but a transfer_dst to transfer_dst image barrier worked. Fixing attachments was a bit trickier: - depth needed early and late fragment tests to be treated as one stage - all attachments that were read later needed storeOp = none (using the extension) - and then finalLayout needed to be correct to avoid ghost transitions - as well, for some reason the deffered gbuffer subpass needed a depth dependency on the translucent pass even though neither one writes to the depth attachment (possibly a validation bug, needs more investigation).
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#ifndef __QF_Vulkan_barrier_h
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#define __QF_Vulkan_barrier_h
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#ifndef VK_NO_PROTOTYPES
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#define VK_NO_PROTOTYPES
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#endif
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#include <vulkan/vulkan.h>
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typedef struct qfv_imagebarrier_s {
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VkPipelineStageFlags srcStages;
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VkPipelineStageFlags dstStages;
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VkImageMemoryBarrier barrier;
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} qfv_imagebarrier_t;
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typedef struct qfv_bufferbarrier_s {
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VkPipelineStageFlags srcStages;
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VkPipelineStageFlags dstStages;
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VkBufferMemoryBarrier barrier;
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} qfv_bufferbarrier_t;
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// image layout transitions
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enum {
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qfv_LT_Undefined_to_TransferDst,
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qfv_LT_Undefined_to_General,
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qfv_LT_Undefined_to_ShaderReadOnly,
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qfv_LT_TransferDst_to_TransferDst,
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qfv_LT_TransferDst_to_TransferSrc,
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qfv_LT_TransferDst_to_General,
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qfv_LT_TransferDst_to_ShaderReadOnly,
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qfv_LT_TransferSrc_to_ShaderReadOnly,
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qfv_LT_ShaderReadOnly_to_TransferDst,
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qfv_LT_Undefined_to_DepthStencil,
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qfv_LT_Undefined_to_Color,
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};
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// buffer barriers
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enum {
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qfv_BB_Unknown_to_TransferWrite,
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qfv_BB_TransferWrite_to_VertexAttrRead,
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qfv_BB_TransferWrite_to_IndexRead,
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qfv_BB_TransferWrite_to_UniformRead,
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qfv_BB_TransferWrite_to_ShaderRW,
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qfv_BB_ShaderRW_to_ShaderRO,
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qfv_BB_ShaderRW_to_ShaderRO_VA,
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qfv_BB_ShaderRO_to_ShaderWrite,
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qfv_BB_ShaderRO_VA_to_ShaderWrite,
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qfv_BB_ShaderWrite_to_ShaderRO,
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qfv_BB_ShaderWrite_to_ShaderRW,
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};
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extern const qfv_imagebarrier_t imageBarriers[];
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extern const qfv_bufferbarrier_t bufferBarriers[];
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#endif//__QF_Vulkan_barrier_h
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