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Set array layer count on image barrier subresource, set initial layout to preinitialized (#29)

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This commit is contained in:
saschawillems 2016-03-13 13:55:04 +01:00
parent 7b52dd7cc9
commit be57715bd6
1 changed files with 23 additions and 14 deletions
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37
texturearray/texturearray.cpp
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@ -135,6 +135,7 @@ public:
imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
imageCreateInfo.flags = 0;
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
@ -157,7 +158,7 @@ public:
err = vkAllocateCommandBuffers(device, &cmdBufAlllocatInfo, &cmdBuffer);
assert(!err);
VkCommandBufferBeginInfo cmdBufInfo =
VkCommandBufferBeginInfo cmdBufInfo =
vkTools::initializers::commandBufferBeginInfo();
err = vkBeginCommandBuffer(cmdBuffer, &cmdBufInfo);
@ -196,7 +197,7 @@ public:
cmdBuffer,
arrayLayer[i].image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
}
@ -221,13 +222,20 @@ public:
assert(!err);
// Image barrier for optimal image (target)
// Optimal image will be used as destination for the copy
// Set initial layout for all array layers of the optimal (target) tiled texture
VkImageSubresourceRange subresourceRange = {};
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subresourceRange.baseMipLevel = 0;
subresourceRange.levelCount = 1;
subresourceRange.layerCount = layerCount;
vkTools::setImageLayout(
cmdBuffer,
textureArray.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
subresourceRange);
// Copy cube map faces one by one
for (uint32_t i = 0; i < layerCount; ++i)
@ -257,17 +265,18 @@ public:
arrayLayer[i].image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
textureArray.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &copyRegion);
// Change texture image layout to shader read after the copy
textureArray.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
cmdBuffer,
textureArray.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
textureArray.imageLayout);
}
// Change texture image layout to shader read after all layers have been copied
textureArray.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
cmdBuffer,
textureArray.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
textureArray.imageLayout,
subresourceRange);
err = vkEndCommandBuffer(cmdBuffer);
assert(!err);