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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);
void destroy(const VkAllocationCallbacks* pAllocator);
static size_t ComputeRequiredAllocationSize(const VkRenderPassCreateInfo* pCreateInfo);
void getRenderAreaGranularity(VkExtent2D* pGranularity) const;
void begin();
void nextSubpass();
void end();
uint32_t getAttachmentCount() const
{
return attachmentCount;
}
VkAttachmentDescription getAttachment(uint32_t i) const
{
return attachments[i];
}
uint32_t getSubpassCount() const
{
return subpassCount;
}
VkSubpassDescription getSubpass(uint32_t i) const
{
return subpasses[i];
}
VkSubpassDescription getCurrentSubpass() const
{
return subpasses[currentSubpass];
}
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;
}
private:
uint32_t attachmentCount = 0;
VkAttachmentDescription* attachments = nullptr;
uint32_t subpassCount = 0;
VkSubpassDescription* subpasses = nullptr;
uint32_t dependencyCount = 0;
VkSubpassDependency* dependencies = nullptr;
uint32_t currentSubpass = 0;
int* attachmentFirstUse = nullptr;
};
static inline RenderPass* Cast(VkRenderPass object)
{
return reinterpret_cast<RenderPass*>(object.get());
}
} // namespace vk
#endif // VK_RENDER_PASS_HPP_