dahjah/Cemu
1
0
Fork 0
mirror of https://github.com/cemu-project/Cemu.git synced 2026-06-03 05:05:00 -06:00
Code Issues Packages Projects Releases Wiki Activity

Vulkan: Skip zero-size readback buffer barriers (#1929)

Browse Source
This commit is contained in:
oltolm 2026-05-28 13:04:46 +02:00 committed by GitHub
parent ca15637b63
commit a02ba9d82b
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/Cafe/HW/Latte/Core/LatteTextureReadback.cpp
View File

@ -21,6 +21,8 @@ void LatteTextureReadback_StartTransfer(LatteTextureView* textureView)
HRTick currentTick = HighResolutionTimer().now().getTick(); HRTick currentTick = HighResolutionTimer().now().getTick();
// create info entry and store in ordered linked list // create info entry and store in ordered linked list
LatteTextureReadbackInfo* readbackInfo = g_renderer->texture_createReadback(textureView); LatteTextureReadbackInfo* readbackInfo = g_renderer->texture_createReadback(textureView);
if (!readbackInfo)
return;
sTextureActiveReadbackQueue.push(readbackInfo); sTextureActiveReadbackQueue.push(readbackInfo);
readbackInfo->StartTransfer(); readbackInfo->StartTransfer();
readbackInfo->transferStartTime = currentTick; readbackInfo->transferStartTime = currentTick;

14
src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.cpp
View File

@ -3670,14 +3670,14 @@ void VulkanRenderer::texture_copyImageSubData(LatteTexture* src, sint32 srcMip,
LatteTextureReadbackInfo* VulkanRenderer::texture_createReadback(LatteTextureView* textureView) LatteTextureReadbackInfo* VulkanRenderer::texture_createReadback(LatteTextureView* textureView)
{ {
auto* result = new LatteTextureReadbackInfoVk(m_logicalDevice, textureView); auto* result = new LatteTextureReadbackInfoVk(m_logicalDevice, textureView);
LatteTextureVk* vkTex = (LatteTextureVk*)textureView->baseTexture;
VkMemoryRequirements memRequirements;
vkGetImageMemoryRequirements(m_logicalDevice, vkTex->GetImageObj()->m_image, &memRequirements);
const uint32 linearImageSize = result->GetImageSize(); const uint32 linearImageSize = result->GetImageSize();
const uint32 uploadSize = (linearImageSize == 0) ? memRequirements.size : linearImageSize; if (linearImageSize == 0)
{
delete result;
return nullptr;
}
const uint32 uploadSize = linearImageSize;
const uint32 uploadAlignment = 256; // todo - use Vk optimalBufferCopyOffsetAlignment const uint32 uploadAlignment = 256; // todo - use Vk optimalBufferCopyOffsetAlignment
m_textureReadbackBufferWriteIndex = (m_textureReadbackBufferWriteIndex + uploadAlignment - 1) & ~(uploadAlignment - 1); m_textureReadbackBufferWriteIndex = (m_textureReadbackBufferWriteIndex + uploadAlignment - 1) & ~(uploadAlignment - 1);