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// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef VK_IMAGE_HPP_
#define VK_IMAGE_HPP_
#include "VkObject.hpp"
#include "VkFormat.h"
namespace vk
{
class Buffer;
class Device;
class DeviceMemory;
class Image : public Object<Image, VkImage>
{
public:
Image(const VkImageCreateInfo* pCreateInfo, void* mem, Device *device);
void destroy(const VkAllocationCallbacks* pAllocator);
static size_t ComputeRequiredAllocationSize(const VkImageCreateInfo* pCreateInfo);
const VkMemoryRequirements getMemoryRequirements() const;
void getSubresourceLayout(const VkImageSubresource* pSubresource, VkSubresourceLayout* pLayout) const;
void bind(DeviceMemory* pDeviceMemory, VkDeviceSize pMemoryOffset);
void copyTo(Image* dstImage, const VkImageCopy& pRegion) const;
void copyTo(Buffer* dstBuffer, const VkBufferImageCopy& region);
void copyFrom(Buffer* srcBuffer, const VkBufferImageCopy& region);
void blit(Image* dstImage, const VkImageBlit& region, VkFilter filter) const;
void resolve(Image* dstImage, const VkImageResolve& region) const;
void clear(const VkClearValue& clearValue, const vk::Format& viewFormat, const VkRect2D& renderArea, const VkImageSubresourceRange& subresourceRange);
void clear(const VkClearColorValue& color, const VkImageSubresourceRange& subresourceRange);
void clear(const VkClearDepthStencilValue& color, const VkImageSubresourceRange& subresourceRange);
VkImageType getImageType() const { return imageType; }
const Format& getFormat() const { return format; }
Format getFormat(VkImageAspectFlagBits aspect) const;
uint32_t getArrayLayers() const { return arrayLayers; }
uint32_t getMipLevels() const { return mipLevels; }
VkImageUsageFlags getUsage() const { return usage; }
uint32_t getLastLayerIndex(const VkImageSubresourceRange& subresourceRange) const;
uint32_t getLastMipLevel(const VkImageSubresourceRange& subresourceRange) const;
VkSampleCountFlagBits getSampleCountFlagBits() const { return samples; }
VkExtent3D getMipLevelExtent(VkImageAspectFlagBits aspect, uint32_t mipLevel) const;
int rowPitchBytes(VkImageAspectFlagBits aspect, uint32_t mipLevel) const;
int slicePitchBytes(VkImageAspectFlagBits aspect, uint32_t mipLevel) const;
void* getTexelPointer(const VkOffset3D& offset, const VkImageSubresourceLayers& subresource) const;
bool isCube() const;
bool is3DSlice() const;
uint8_t* end() const;
VkDeviceSize getLayerSize(VkImageAspectFlagBits aspect) const;
void prepareForSampling(const VkImageSubresourceRange& subresourceRange);
const Image* getSampledImage(const vk::Format& imageViewFormat) const;
private:
void copy(Buffer* buffer, const VkBufferImageCopy& region, bool bufferIsSource);
VkDeviceSize getStorageSize(VkImageAspectFlags flags) const;
VkDeviceSize getMipLevelSize(VkImageAspectFlagBits aspect, uint32_t mipLevel) const;
VkDeviceSize getMultiSampledLevelSize(VkImageAspectFlagBits aspect, uint32_t mipLevel) const;
VkDeviceSize getLayerOffset(VkImageAspectFlagBits aspect, uint32_t mipLevel) const;
VkDeviceSize getMemoryOffset(VkImageAspectFlagBits aspect, uint32_t mipLevel) const;
VkDeviceSize getMemoryOffset(VkImageAspectFlagBits aspect, uint32_t mipLevel, uint32_t layer) const;
VkDeviceSize texelOffsetBytesInStorage(const VkOffset3D& offset, const VkImageSubresourceLayers& subresource) const;
VkDeviceSize getMemoryOffset(VkImageAspectFlagBits aspect) const;
VkExtent3D imageExtentInBlocks(const VkExtent3D& extent, VkImageAspectFlagBits aspect) const;
VkOffset3D imageOffsetInBlocks(const VkOffset3D& offset, VkImageAspectFlagBits aspect) const;
VkExtent2D bufferExtentInBlocks(const VkExtent2D& extent, const VkBufferImageCopy& region) const;
VkFormat getClearFormat() const;
void clear(void* pixelData, VkFormat pixelFormat, const vk::Format& viewFormat, const VkImageSubresourceRange& subresourceRange, const VkRect2D& renderArea);
int borderSize() const;
void decodeETC2(const VkImageSubresourceRange& subresourceRange) const;
const Device *const device = nullptr;
DeviceMemory* deviceMemory = nullptr;
VkDeviceSize memoryOffset = 0;
VkImageCreateFlags flags = 0;
VkImageType imageType = VK_IMAGE_TYPE_2D;
Format format;
VkExtent3D extent = {0, 0, 0};
uint32_t mipLevels = 0;
uint32_t arrayLayers = 0;
VkSampleCountFlagBits samples = VK_SAMPLE_COUNT_1_BIT;
VkImageTiling tiling = VK_IMAGE_TILING_OPTIMAL;
VkImageUsageFlags usage = (VkImageUsageFlags)0;
Image* decompressedImage = nullptr;
};
static inline Image* Cast(VkImage object)
{
return Image::Cast(object);
}
} // namespace vk
#endif // VK_IMAGE_HPP_