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Backends: Vulkan: use separate barrier for buffer. (#8772)

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This commit is contained in:
Moses Miller
2025-07-04 03:21:54 -07:00
committed by ocornut
parent c2d9b07533
commit 032e1397d9
1 changed files with 11 additions and 2 deletions
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13
backends/imgui_impl_vulkan.cpp
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@@ -807,9 +807,18 @@ void ImGui_ImplVulkan_UpdateTexture(ImTextureData* tex)
// Copy to Image:
{
VkBufferMemoryBarrier upload_barrier[1] = {};
upload_barrier[0].sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER;
upload_barrier[0].srcAccessMask = VK_ACCESS_HOST_WRITE_BIT;
upload_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
upload_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
upload_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
upload_barrier[0].buffer = upload_buffer;
upload_barrier[0].offset = 0;
upload_barrier[0].size = upload_size;
VkImageMemoryBarrier copy_barrier[1] = {};
copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
copy_barrier[0].srcAccessMask = VK_ACCESS_HOST_WRITE_BIT;
copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
@@ -819,7 +828,7 @@ void ImGui_ImplVulkan_UpdateTexture(ImTextureData* tex)
copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copy_barrier[0].subresourceRange.levelCount = 1;
copy_barrier[0].subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(bd->TexCommandBuffer, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1, copy_barrier);
vkCmdPipelineBarrier(bd->TexCommandBuffer, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 1, upload_barrier, 1, copy_barrier);
VkBufferImageCopy region = {};
region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;