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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_RENDER_PASS_HPP_
#define VK_RENDER_PASS_HPP_
#include "VkObject.hpp"
#include <vector>
namespace vk {
class RenderPass : public Object<RenderPass, VkRenderPass>
{
public:
RenderPass(const VkRenderPassCreateInfo *pCreateInfo, void *mem);
RenderPass(const VkRenderPassCreateInfo2KHR *pCreateInfo, void *mem);
void destroy(const VkAllocationCallbacks *pAllocator);
static size_t ComputeRequiredAllocationSize(const VkRenderPassCreateInfo *pCreateInfo);
static size_t ComputeRequiredAllocationSize(const VkRenderPassCreateInfo2KHR *pCreateInfo);
void getRenderAreaGranularity(VkExtent2D *pGranularity) const;
uint32_t getAttachmentCount() const
{
return attachmentCount;
}
VkAttachmentDescription getAttachment(uint32_t attachmentIndex) const
{
return attachments[attachmentIndex];
}
uint32_t getSubpassCount() const
{
return subpassCount;
}
VkSubpassDescription const &getSubpass(uint32_t subpassIndex) const
{
return subpasses[subpassIndex];
}
bool hasDepthStencilResolve() const
{
return subpassDepthStencilResolves != nullptr;
}
VkSubpassDescriptionDepthStencilResolve getSubpassDepthStencilResolve(uint32_t subpassIndex) const
{
return subpassDepthStencilResolves[subpassIndex];
}
uint32_t getDependencyCount() const
{
return dependencyCount;
}
VkSubpassDependency getDependency(uint32_t i) const
{
return dependencies[i];
}
bool isAttachmentUsed(uint32_t i) const
{
return attachmentFirstUse[i] >= 0;
}
uint32_t getViewMask(uint32_t subpassIndex) const
{
return viewMasks ? viewMasks[subpassIndex] : 1;
}
bool isMultiView() const
{
return viewMasks != nullptr;
}
uint32_t getAttachmentViewMask(uint32_t attachmentIndex) const
{
return attachmentViewMasks[attachmentIndex];
}
private:
uint32_t attachmentCount = 0;
VkAttachmentDescription *attachments = nullptr;
uint32_t subpassCount = 0;
VkSubpassDescription *subpasses = nullptr;
VkSubpassDescriptionDepthStencilResolve *subpassDepthStencilResolves = nullptr;
uint32_t dependencyCount = 0;
VkSubpassDependency *dependencies = nullptr;
int *attachmentFirstUse = nullptr;
uint32_t *viewMasks = nullptr;
uint32_t *attachmentViewMasks = nullptr;
void MarkFirstUse(int attachment, int subpass);
template<class T>
void init(const T *pCreateInfo, void **mem);
};
static inline RenderPass *Cast(VkRenderPass object)
{
return RenderPass::Cast(object);
}
} // namespace vk
#endif // VK_RENDER_PASS_HPP_