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#pragma once
#ifndef QT3DS_RENDER_CUSTOM_MATERIAL_SHADER_GENERATOR_H
#define QT3DS_RENDER_CUSTOM_MATERIAL_SHADER_GENERATOR_H
#include "Qt3DSRenderMaterialShaderGenerator.h"

namespace qt3ds {
namespace render {

    class Qt3DSShadowMap;

    class ICustomMaterialShaderGenerator : public IMaterialShaderGenerator
    {
    public:
        SImageVariableNames GetImageVariableNames(QT3DSU32 inIdx) override = 0;
        void GenerateImageUVCoordinates(IShaderStageGenerator &inVertexPipeline, QT3DSU32 idx,
                                                QT3DSU32 uvSet, SRenderableImage &image) override = 0;

        // inPipelineName needs to be unique else the shader cache will just return shaders from
        // different pipelines.
        NVRenderShaderProgram *GenerateShader(
            const SGraphObject &inMaterial, SShaderDefaultMaterialKey inShaderDescription,
            IShaderStageGenerator &inVertexPipeline, TShaderFeatureSet inFeatureSet,
            NVDataRef<SLight *> inLights, SRenderableImage *inFirstImage, bool inHasTransparency,
            const char8_t *inVertexPipelineName, const char8_t *inCustomMaterialName = "") override = 0;

        // Also sets the blend function on the render context.
        virtual void
        SetMaterialProperties(NVRenderShaderProgram &inProgram, const SGraphObject &inMaterial,
                              const QT3DSVec2 &inCameraVec, const QT3DSMat44 &inModelViewProjection,
                              const QT3DSMat33 &inNormalMatrix, const QT3DSMat44 &inGlobalTransform,
                              SRenderableImage *inFirstImage, QT3DSF32 inOpacity,
                              SLayerGlobalRenderProperties inRenderProperties) override = 0;

        static ICustomMaterialShaderGenerator &
        CreateCustomMaterialShaderGenerator(IQt3DSRenderContext &inRenderContext);
    };
}
}

#endif