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[dxvk] Remove incorrect framebuffer-space barriers

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We're technically required to use VK_DEPENDENCY_BY_REGION_BIT,
but that isn't actually good enough.
This commit is contained in:
Philip Rebohle 2019-10-12 23:54:54 +02:00
parent 803ec3542d
commit c5676d3108
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GPG Key ID: C8CC613427A31C99
2 changed files with 4 additions and 26 deletions
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19
src/dxvk/dxvk_context.cpp
View File

@ -4344,21 +4344,10 @@ namespace dxvk {
void DxvkContext::commitGraphicsPostBarriers() {
bool fs = m_state.gp.flags.test(DxvkGraphicsPipelineFlag::HasFsStorageDescriptors);
bool vs = m_state.gp.flags.test(DxvkGraphicsPipelineFlag::HasVsStorageDescriptors);
if (vs) {
// External subpass dependencies serve as full memory
// and execution barriers, so we can use this to allow
// inter-stage synchronization.
this->spillRenderPass();
} else if (fs) {
this->emitMemoryBarrier(
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
VK_ACCESS_SHADER_WRITE_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
VK_ACCESS_SHADER_READ_BIT);
}
// External subpass dependencies serve as full memory
// and execution barriers, so we can use this to allow
// inter-stage synchronization.
this->spillRenderPass();
}

11
src/dxvk/dxvk_renderpass.cpp
View File

@ -151,17 +151,6 @@ namespace dxvk {
VK_ACCESS_TRANSFORM_FEEDBACK_COUNTER_READ_BIT_EXT, 0 };
}
if (ops.barrier.srcStages & (
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT |
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT |
VK_PIPELINE_STAGE_ALL_COMMANDS_BIT)) {
subpassDeps[subpassDepCount++] = { 0, 0,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
VK_ACCESS_SHADER_WRITE_BIT,
VK_ACCESS_SHADER_READ_BIT, 0 };
}
if (ops.barrier.srcStages && ops.barrier.dstStages) {
subpassDeps[subpassDepCount++] = {
0, VK_SUBPASS_EXTERNAL,