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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 SWIFTSHADER_VKSURFACEKHR_HPP_
#define SWIFTSHADER_VKSURFACEKHR_HPP_
#include "Vulkan/VkImage.hpp"
#include "Vulkan/VkObject.hpp"
#include "Vulkan/VulkanPlatform.hpp"
#include <vector>
namespace vk {
enum PresentImageStatus
{
NONEXISTENT, // Image wasn't created
AVAILABLE,
DRAWING,
PRESENTING,
};
class DeviceMemory;
class Image;
class SwapchainKHR;
class PresentImage
{
public:
VkResult allocateImage(VkDevice device, const VkImageCreateInfo &createInfo);
VkResult allocateAndBindImageMemory(VkDevice device, const VkMemoryAllocateInfo &allocateInfo);
void clear();
VkImage asVkImage() const;
const Image *getImage() const { return image; }
DeviceMemory *getImageMemory() const { return imageMemory; }
bool isAvailable() const { return (imageStatus == AVAILABLE); }
bool exists() const { return (imageStatus != NONEXISTENT); }
void setStatus(PresentImageStatus status) { imageStatus = status; }
private:
Image *image = nullptr;
DeviceMemory *imageMemory = nullptr;
PresentImageStatus imageStatus = NONEXISTENT;
};
class SurfaceKHR
{
public:
virtual ~SurfaceKHR() = default;
operator VkSurfaceKHR()
{
return vk::TtoVkT<SurfaceKHR, VkSurfaceKHR>(this);
}
static inline SurfaceKHR *Cast(VkSurfaceKHR object)
{
return vk::VkTtoT<SurfaceKHR, VkSurfaceKHR>(object);
}
void destroy(const VkAllocationCallbacks *pAllocator)
{
destroySurface(pAllocator);
}
virtual void destroySurface(const VkAllocationCallbacks *pAllocator) = 0;
virtual void getSurfaceCapabilities(VkSurfaceCapabilitiesKHR *pSurfaceCapabilities) const;
uint32_t getSurfaceFormatsCount() const;
VkResult getSurfaceFormats(uint32_t *pSurfaceFormatCount, VkSurfaceFormatKHR *pSurfaceFormats) const;
uint32_t getPresentModeCount() const;
VkResult getPresentModes(uint32_t *pPresentModeCount, VkPresentModeKHR *pPresentModes) const;
VkResult getPresentRectangles(uint32_t *pRectCount, VkRect2D *pRects) const;
virtual void attachImage(PresentImage *image) = 0;
virtual void detachImage(PresentImage *image) = 0;
virtual VkResult present(PresentImage *image) = 0;
void associateSwapchain(SwapchainKHR *swapchain);
void disassociateSwapchain();
bool hasAssociatedSwapchain();
private:
SwapchainKHR *associatedSwapchain = nullptr;
};
static inline SurfaceKHR *Cast(VkSurfaceKHR object)
{
return SurfaceKHR::Cast(object);
}
} // namespace vk
#endif //SWIFTSHADER_VKSURFACEKHR_HPP_