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VulkanSample, CreateTexture function: switched from staging image with VK_IMAGE_TILING_LINEAR to staging buffer and vkCmdCopyBufferToImage.

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This commit is contained in:
Adam Sawicki 2019-02-20 14:55:31 +01:00
parent cac7d7509e
commit f43e9cd270
3 changed files with 24 additions and 73 deletions
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95
src/VulkanSample.cpp
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@ -412,44 +412,25 @@ static void CreateMesh()
static void CreateTexture(uint32_t sizeX, uint32_t sizeY)
{
// Create Image
// Create staging buffer.
const VkDeviceSize imageSize = sizeX * sizeY * 4;
VkImageCreateInfo stagingImageInfo = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO };
stagingImageInfo.imageType = VK_IMAGE_TYPE_2D;
stagingImageInfo.extent.width = sizeX;
stagingImageInfo.extent.height = sizeY;
stagingImageInfo.extent.depth = 1;
stagingImageInfo.mipLevels = 1;
stagingImageInfo.arrayLayers = 1;
stagingImageInfo.format = VK_FORMAT_R8G8B8A8_UNORM;
stagingImageInfo.tiling = VK_IMAGE_TILING_LINEAR;
stagingImageInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
stagingImageInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
stagingImageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
stagingImageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
stagingImageInfo.flags = 0;
VkBufferCreateInfo stagingBufInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };
stagingBufInfo.size = imageSize;
stagingBufInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
VmaAllocationCreateInfo stagingImageAllocCreateInfo = {};
stagingImageAllocCreateInfo.usage = VMA_MEMORY_USAGE_CPU_ONLY;
stagingImageAllocCreateInfo.flags = VMA_ALLOCATION_CREATE_MAPPED_BIT;
VmaAllocationCreateInfo stagingBufAllocCreateInfo = {};
stagingBufAllocCreateInfo.usage = VMA_MEMORY_USAGE_CPU_ONLY;
stagingBufAllocCreateInfo.flags = VMA_ALLOCATION_CREATE_MAPPED_BIT;
VkImage stagingImage = VK_NULL_HANDLE;
VmaAllocation stagingImageAlloc = VK_NULL_HANDLE;
VmaAllocationInfo stagingImageAllocInfo = {};
ERR_GUARD_VULKAN( vmaCreateImage(g_hAllocator, &stagingImageInfo, &stagingImageAllocCreateInfo, &stagingImage, &stagingImageAlloc, &stagingImageAllocInfo) );
VkBuffer stagingBuf = VK_NULL_HANDLE;
VmaAllocation stagingBufAlloc = VK_NULL_HANDLE;
VmaAllocationInfo stagingBufAllocInfo = {};
ERR_GUARD_VULKAN( vmaCreateBuffer(g_hAllocator, &stagingBufInfo, &stagingBufAllocCreateInfo, &stagingBuf, &stagingBufAlloc, &stagingBufAllocInfo) );
VkImageSubresource imageSubresource = {};
imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageSubresource.mipLevel = 0;
imageSubresource.arrayLayer = 0;
VkSubresourceLayout imageLayout = {};
vkGetImageSubresourceLayout(g_hDevice, stagingImage, &imageSubresource, &imageLayout);
char* const pMipLevelData = (char*)stagingImageAllocInfo.pMappedData + imageLayout.offset;
uint8_t* pRowData = (uint8_t*)pMipLevelData;
char* const pImageData = (char*)stagingBufAllocInfo.pMappedData;
uint8_t* pRowData = (uint8_t*)pImageData;
for(uint32_t y = 0; y < sizeY; ++y)
{
uint32_t* pPixelData = (uint32_t*)pRowData;
@ -462,7 +443,7 @@ static void CreateTexture(uint32_t sizeX, uint32_t sizeY)
((y & 0x18) == 0x10 ? 0x00FF0000 : 0x00000000);
++pPixelData;
}
pRowData += imageLayout.rowPitch;
pRowData += sizeX * 4;
}
// No need to flush stagingImage memory because CPU_ONLY memory is always HOST_COHERENT.
@ -494,28 +475,13 @@ static void CreateTexture(uint32_t sizeX, uint32_t sizeY)
BeginSingleTimeCommands();
VkImageMemoryBarrier imgMemBarrier = { VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER };
imgMemBarrier.oldLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
imgMemBarrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
imgMemBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
imgMemBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
imgMemBarrier.image = stagingImage;
imgMemBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imgMemBarrier.subresourceRange.baseMipLevel = 0;
imgMemBarrier.subresourceRange.levelCount = 1;
imgMemBarrier.subresourceRange.baseArrayLayer = 0;
imgMemBarrier.subresourceRange.layerCount = 1;
imgMemBarrier.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT;
imgMemBarrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
vkCmdPipelineBarrier(
g_hTemporaryCommandBuffer,
VK_PIPELINE_STAGE_HOST_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
0,
0, nullptr,
0, nullptr,
1, &imgMemBarrier);
imgMemBarrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
imgMemBarrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
imgMemBarrier.image = g_hTextureImage;
@ -531,29 +497,14 @@ static void CreateTexture(uint32_t sizeX, uint32_t sizeY)
0, nullptr,
1, &imgMemBarrier);
VkImageCopy imageCopy = {};
imageCopy.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageCopy.srcSubresource.baseArrayLayer = 0;
imageCopy.srcSubresource.mipLevel = 0;
imageCopy.srcSubresource.layerCount = 1;
imageCopy.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageCopy.dstSubresource.baseArrayLayer = 0;
imageCopy.dstSubresource.mipLevel = 0;
imageCopy.dstSubresource.layerCount = 1;
imageCopy.srcOffset.x = 0;
imageCopy.srcOffset.y = 0;
imageCopy.srcOffset.z = 0;
imageCopy.dstOffset.x = 0;
imageCopy.dstOffset.y = 0;
imageCopy.dstOffset.z = 0;
imageCopy.extent.width = sizeX;
imageCopy.extent.height = sizeY;
imageCopy.extent.depth = 1;
vkCmdCopyImage(
g_hTemporaryCommandBuffer,
stagingImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
g_hTextureImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &imageCopy);
VkBufferImageCopy region = {};
region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.imageSubresource.layerCount = 1;
region.imageExtent.width = sizeX;
region.imageExtent.height = sizeY;
region.imageExtent.depth = 1;
vkCmdCopyBufferToImage(g_hTemporaryCommandBuffer, stagingBuf, g_hTextureImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &region);
imgMemBarrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
imgMemBarrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
@ -572,7 +523,7 @@ static void CreateTexture(uint32_t sizeX, uint32_t sizeY)
EndSingleTimeCommands();
vmaDestroyImage(g_hAllocator, stagingImage, stagingImageAlloc);
vmaDestroyBuffer(g_hAllocator, stagingBuf, stagingBufAlloc);
// Create ImageView