src/gpu/graphite/vk/VulkanRenderPass.h

/*
* Copyright 2023 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/

#ifndef skgpu_graphite_VulkanRenderPass_DEFINED
#define skgpu_graphite_VulkanRenderPass_DEFINED

#include "src/gpu/graphite/Resource.h"

#include "include/private/base/SkTArray.h"
#include "src/gpu/graphite/AttachmentTypes.h"
#include "src/gpu/graphite/vk/VulkanCommandBuffer.h"

namespace skgpu::graphite {

class VulkanCommandBuffer;
class VulkanSharedContext;

const static VkAttachmentStoreOp vkStoreOp[] {
    VK_ATTACHMENT_STORE_OP_STORE,
    VK_ATTACHMENT_STORE_OP_DONT_CARE
};
const static VkAttachmentLoadOp vkLoadOp[] {
    VK_ATTACHMENT_LOAD_OP_LOAD,
    VK_ATTACHMENT_LOAD_OP_CLEAR,
    VK_ATTACHMENT_LOAD_OP_DONT_CARE
};

/**
 * Wrapper around VkRenderPass.
*/
class VulkanRenderPass : public Resource {
public:
    // Methods to create compatible (needed when creating a framebuffer and graphics pipeline) or
    // full (needed when beginning a render pass from the command buffer) render passes and keys.
    static GraphiteResourceKey MakeRenderPassKey(const RenderPassDesc&, bool compatibleOnly);
    static sk_sp<VulkanRenderPass> MakeRenderPass(
            const VulkanSharedContext*, const RenderPassDesc&, bool compatibleOnly);

    VkRenderPass renderPass() const {
        SkASSERT(fRenderPass != VK_NULL_HANDLE);
        return fRenderPass;
    }

    VkExtent2D granularity() { return fGranularity; }

private:
    void freeGpuData() override;

    VulkanRenderPass(const VulkanSharedContext*, VkRenderPass, VkExtent2D granularity);

    const VulkanSharedContext* fSharedContext;
    VkRenderPass fRenderPass;
    VkExtent2D fGranularity;
};
} // namespace skgpu::graphite

#endif // skgpu_graphite_VulkanRenderPass_DEFINED