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[dxvk] Clear entire allocated memory region for compressed images

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At least this way we don't need a zero buffer most of the time.
This commit is contained in:
Philip Rebohle 2025-03-23 18:08:40 +01:00
parent 519b8f8aa8
commit 1cab928ed0
1 changed files with 43 additions and 27 deletions
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70
src/dxvk/dxvk_context.cpp
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@ -1098,15 +1098,49 @@ namespace dxvk {
m_cmd->track(image, DxvkAccess::None);
} else {
VkImageLayout clearLayout = image->pickLayout(VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
addImageInitTransition(*image, subresources, clearLayout,
VK_PIPELINE_STAGE_2_TRANSFER_BIT, VK_ACCESS_2_TRANSFER_WRITE_BIT);
auto formatInfo = image->formatInfo();
auto bufferInfo = image->storage()->getBufferInfo();
if (formatInfo->flags.any(DxvkFormatFlag::BlockCompressed, DxvkFormatFlag::MultiPlane)) {
// We're copying from a sparse buffer, use the transfer queue
if (!formatInfo->flags.any(DxvkFormatFlag::BlockCompressed, DxvkFormatFlag::MultiPlane)) {
// Clear commands can only happen on the graphics queue
VkImageLayout clearLayout = image->pickLayout(VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
addImageInitTransition(*image, subresources, clearLayout,
VK_PIPELINE_STAGE_2_TRANSFER_BIT, VK_ACCESS_2_TRANSFER_WRITE_BIT);
flushImageLayoutTransitions(DxvkCmdBuffer::InitBuffer);
if (subresources.aspectMask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
VkClearDepthStencilValue value = { };
m_cmd->cmdClearDepthStencilImage(DxvkCmdBuffer::InitBuffer,
image->handle(), clearLayout, &value, 1, &subresources);
} else {
VkClearColorValue value = { };
m_cmd->cmdClearColorImage(DxvkCmdBuffer::InitBuffer,
image->handle(), clearLayout, &value, 1, &subresources);
}
accessImage(DxvkCmdBuffer::InitBuffer, *image, subresources, clearLayout,
VK_PIPELINE_STAGE_2_TRANSFER_BIT, VK_ACCESS_2_TRANSFER_WRITE_BIT, DxvkAccessOp::None);
} else if (bufferInfo.buffer) {
// If the image allocation has a buffer, use that to clear the backing storage
// to zero. There is no strict guarantee that the image contents read zero, but
// in practice this should be good enough and avoids having to create a very
// large zero buffer in some cases.
m_cmd->cmdFillBuffer(DxvkCmdBuffer::SdmaBuffer,
bufferInfo.buffer, bufferInfo.offset, bufferInfo.size, 0u);
accessMemory(DxvkCmdBuffer::SdmaBuffer,
VK_PIPELINE_STAGE_2_TRANSFER_BIT, VK_ACCESS_2_TRANSFER_WRITE_BIT,
VK_PIPELINE_STAGE_2_TRANSFER_BIT, VK_ACCESS_2_NONE);
accessImage(DxvkCmdBuffer::InitBarriers, *image, subresources, VK_IMAGE_LAYOUT_UNDEFINED,
VK_PIPELINE_STAGE_2_TRANSFER_BIT, VK_ACCESS_2_NONE, DxvkAccessOp::None);
} else {
// We're copying from a buffer, use the transfer queue
addImageInitTransition(*image, subresources, VK_IMAGE_LAYOUT_GENERAL,
VK_PIPELINE_STAGE_2_TRANSFER_BIT, VK_ACCESS_2_TRANSFER_WRITE_BIT);
flushImageLayoutTransitions(DxvkCmdBuffer::SdmaBuffer);
for (auto aspects = formatInfo->aspectMask; aspects; ) {
@ -1150,7 +1184,7 @@ namespace dxvk {
VkCopyBufferToImageInfo2 copyInfo = { VK_STRUCTURE_TYPE_COPY_BUFFER_TO_IMAGE_INFO_2 };
copyInfo.srcBuffer = zeroSlice.handle;
copyInfo.dstImage = image->handle();
copyInfo.dstImageLayout = clearLayout;
copyInfo.dstImageLayout = VK_IMAGE_LAYOUT_GENERAL;
copyInfo.regionCount = 1;
copyInfo.pRegions = &copyRegion;
@ -1159,26 +1193,8 @@ namespace dxvk {
}
}
accessImageTransfer(*image, subresources, clearLayout,
accessImageTransfer(*image, subresources, VK_IMAGE_LAYOUT_GENERAL,
VK_PIPELINE_STAGE_2_TRANSFER_BIT, VK_ACCESS_2_TRANSFER_WRITE_BIT);
} else {
// Clear commands can only happen on the graphics queue
flushImageLayoutTransitions(DxvkCmdBuffer::InitBuffer);
if (subresources.aspectMask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
VkClearDepthStencilValue value = { };
m_cmd->cmdClearDepthStencilImage(DxvkCmdBuffer::InitBuffer,
image->handle(), clearLayout, &value, 1, &subresources);
} else {
VkClearColorValue value = { };
m_cmd->cmdClearColorImage(DxvkCmdBuffer::InitBuffer,
image->handle(), clearLayout, &value, 1, &subresources);
}
accessImage(DxvkCmdBuffer::InitBuffer, *image, subresources, clearLayout,
VK_PIPELINE_STAGE_2_TRANSFER_BIT, VK_ACCESS_2_TRANSFER_WRITE_BIT, DxvkAccessOp::None);
}
m_cmd->track(image, DxvkAccess::Write);