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vulkan: implement copy Texture <-> buffer methods

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niki
2022-07-30 02:17:58 +02:00
parent ad8243f257
commit 4686de8ebd
2 changed files with 43 additions and 2 deletions
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src/modules/graphics/vulkan/Texture.cpp
+41
View File
@@ -274,6 +274,47 @@ void Texture::uploadByteData(PixelFormat pixelformat, const void* data, size_t s
vgfx->queueDatatransfer(command, cleanUp);
}
void Texture::copyFromBuffer(graphics::Buffer* source, size_t sourceoffset, int sourcewidth, size_t size, int slice, int mipmap, const Rect& rect) {
vgfx->queueDatatransfer([source, textureImage = textureImage, rect=rect, sourceoffset, sourcewidth, size, slice, mipmap](VkCommandBuffer commandBuffer){
VkImageSubresourceLayers layers{};
layers.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
layers.mipLevel = mipmap;
layers.baseArrayLayer = slice;
layers.layerCount = 1;
VkBufferImageCopy region{};
region.bufferOffset = sourceoffset;
region.bufferRowLength = sourcewidth;
region.bufferImageHeight = 1;
region.imageSubresource = layers;
region.imageExtent.width = static_cast<uint32_t>(rect.w);
region.imageExtent.height = static_cast<uint32_t>(rect.h);
vkCmdCopyBufferToImage(commandBuffer, (VkBuffer)source->getHandle(), textureImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &region);
}, nullptr);
}
void Texture::copyToBuffer(graphics::Buffer* dest, int slice, int mipmap, const Rect& rect, size_t destoffset, int destwidth, size_t size) {
vgfx->queueDatatransfer([dest, textureImage = textureImage, rect=rect, destoffset, destwidth, size, slice, mipmap](VkCommandBuffer commandBuffer){
VkImageSubresourceLayers layers{};
layers.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
layers.mipLevel = mipmap;
layers.baseArrayLayer = slice;
layers.layerCount = 1;
VkBufferImageCopy region{};
region.bufferOffset = destoffset;
region.bufferRowLength = destwidth;
region.bufferImageHeight = 1;
region.imageSubresource = layers;
region.imageExtent.width = static_cast<uint32_t>(rect.w);
region.imageExtent.height = static_cast<uint32_t>(rect.h);
vkCmdCopyImageToBuffer(commandBuffer, textureImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, (VkBuffer) dest->getHandle(), 1, &region);
}, nullptr);
}
} // vulkan
} // graphics
} // love
src/modules/graphics/vulkan/Texture.h
+2 -2
View File
@@ -20,8 +20,8 @@ public:
virtual bool loadVolatile() override;
virtual void unloadVolatile() override;
void copyFromBuffer(graphics::Buffer* source, size_t sourceoffset, int sourcewidth, size_t size, int slice, int mipmap, const Rect& rect) override { };
void copyToBuffer(graphics::Buffer* dest, int slice, int mipmap, const Rect& rect, size_t destoffset, int destwidth, size_t size) override { };
void copyFromBuffer(graphics::Buffer* source, size_t sourceoffset, int sourcewidth, size_t size, int slice, int mipmap, const Rect& rect) override;
void copyToBuffer(graphics::Buffer* dest, int slice, int mipmap, const Rect& rect, size_t destoffset, int destwidth, size_t size) override;
ptrdiff_t getRenderTargetHandle() const override { return (ptrdiff_t)textureImage; };
ptrdiff_t getSamplerHandle() const override { return (ptrdiff_t)textureSampler; };