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Seele/src/Engine/Graphics/RenderPass/RenderPass.h
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2025-08-10 19:16:55 +02:00

81 lines
2.3 KiB
C++

#pragma once
#include "Component/Camera.h"
#include "Graphics/VertexData.h"
#include "Material/MaterialInstance.h"
#include "Math/Math.h"
#include "MinimalEngine.h"
#include "RenderGraphResources.h"
#include "Scene/Scene.h"
namespace Seele {
DECLARE_NAME_REF(Gfx, Viewport)
DECLARE_NAME_REF(Gfx, Graphics)
DECLARE_NAME_REF(Gfx, RenderPass)
class RenderPass {
public:
RenderPass(Gfx::PGraphics graphics);
RenderPass(RenderPass&&) = default;
RenderPass& operator=(RenderPass&&) = default;
virtual ~RenderPass();
virtual void beginFrame(const Component::Camera& cam, const Component::Transform& transform) = 0;
virtual void render() = 0;
virtual void endFrame() = 0;
virtual void publishOutputs() = 0;
virtual void createRenderPass() = 0;
void setResources(PRenderGraphResources _resources);
void setViewport(Gfx::PViewport _viewport);
protected:
void updateViewParameters(const Component::Camera& cam, const Component::Transform& transform);
Gfx::ODescriptorSet createViewParamsSet();
struct Plane {
Vector n;
float d;
};
struct Frustum {
Plane planes[4];
};
Plane computePlane(Vector p0, Vector p1, Vector p2) {
Plane plane;
Vector v0 = p1 - p0;
Vector v2 = p2 - p0;
plane.n = normalize(cross(v0, v2));
plane.d = dot(plane.n, p0);
return plane;
}
void normalize_plane(Plane& plane);
void extract_planes_from_view_projection_matrix(const Matrix4 viewProj, Frustum& frustum);
struct ViewParameter {
Matrix4 viewMatrix;
Matrix4 inverseViewMatrix;
Matrix4 projectionMatrix;
Matrix4 inverseProjection;
Matrix4 viewProjectionMatrix;
Matrix4 inverseViewProjectionMatrix;
Vector4 cameraPosition_WS;
Vector4 cameraForward_WS;
Vector2 screenDimensions;
Vector2 invScreenDimensions;
uint32 frameIndex;
float time;
uint32 pad0;
uint32 pad1;
} viewParams;
PRenderGraphResources resources;
Gfx::ODescriptorLayout viewParamsLayout;
Gfx::ORenderPass renderPass;
Gfx::PGraphics graphics;
Gfx::PViewport viewport;
};
DEFINE_REF(RenderPass)
template <typename RP>
concept RenderPassType = std::derived_from<RP, RenderPass>;
} // namespace Seele