RenderFrameContext.hpp

#pragma once
 
#include <glm/glm.hpp>
#include <vector>
 
#include <Common/Rect.hpp>
#include <Common/Blackboard/Blackboard.hpp>
#include <Common/Rendering/RenderGraphResourceRef.hpp>
#include <EngineCore/WorldContext/WorldContextSet.hpp>
 
namespace Grindstone::Renderer {
    struct RenderFrameViewContext {
        glm::mat4 projectionMatrix;
        glm::mat4 viewMatrix;
        glm::mat4 projectionViewMatrix;
        glm::mat4 inverseProjectionMatrix;
        glm::mat4 inverseViewMatrix;
        glm::mat4 inverseProjectionViewMatrix;
        glm::vec3 eyePos;
        float nearDistance;
        float farDistance;
    };
 
    struct RenderFrameContext {
        const static uint32_t NORMAL_VIEW = 0b1;
        const static uint32_t XR_VIEW = 0b11;
        const static uint32_t CUBEMAP_VIEW = 0b111111;
 
        std::vector<RenderFrameViewContext> views;
        uint32_t viewMask = NORMAL_VIEW;
 
        // NOTE: This assumes the same swapchain image width, height, and index for all views. I'm not sure that is the case.
        Grindstone::Math::Uint2 imageSize;
        uint8_t imageIndex = 0;
        Grindstone::Renderer::RenderGraphBuilderResourceRef colorRef = Grindstone::Renderer::RenderGraphBuilderResourceRef::Invalid();
        Grindstone::Renderer::RenderGraphBuilderResourceRef depthRef = Grindstone::Renderer::RenderGraphBuilderResourceRef::Invalid();
        Grindstone::WorldContextSet& worldContextSet;
        Grindstone::Blackboard blackboard;
 
        RenderFrameContext(Grindstone::WorldContextSet& cxtSet) : worldContextSet(cxtSet) {}
        RenderFrameContext(const RenderFrameContext& other) = default;
        RenderFrameContext(RenderFrameContext&& other) noexcept = default;
        RenderFrameContext& operator=(const RenderFrameContext& other) = default;
        RenderFrameContext& operator=(RenderFrameContext&& other) noexcept = default;
    };
}