RenderPass.hpp

#pragma once
#include <RGL/Types.hpp>
#include "TextureFormat.hpp"
#include <vector>
#include <array>
#include <optional>
 
namespace RGL{
struct TextureView;
 
struct RenderPassConfig {
    struct AttachmentDesc {
        // formats, multisample count, load and store ops (see VkAttachmentDescription), and layout (from VkAttachmentReference)
        TextureFormat format;
        MSASampleCount sampleCount = MSASampleCount::C1;
        LoadAccessOperation loadOp = LoadAccessOperation::DontCare;
        StoreAccessOperation storeOp = StoreAccessOperation::DontCare;
 
        LoadAccessOperation stencilLoadOp = LoadAccessOperation::DontCare;
        StoreAccessOperation stencilStoreOp = StoreAccessOperation::DontCare;
 
        std::array<float, 4> clearColor{ 0,0,0,0};
    };
    std::vector<AttachmentDesc> attachments;
 
    std::optional<AttachmentDesc> depthAttachment, stencilAttachment;
};
 
struct IRenderPass {
    
    virtual void SetAttachmentTexture(uint32_t index, const TextureView& texture) = 0;
    virtual void SetDepthAttachmentTexture(const TextureView& texture) = 0;
    virtual void SetStencilAttachmentTexture(const TextureView& texture) = 0;
};
 
RGLRenderPassPtr CreateRenderPass(const RenderPassConfig& config);
 
}