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| |
| #ifndef QSSG_RENDER_SHADER_CODE_GENERATOR_V2_H |
| #define QSSG_RENDER_SHADER_CODE_GENERATOR_V2_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtQuick3DRuntimeRender/private/qtquick3druntimerenderglobal_p.h> |
| #include <QtQuick3DRuntimeRender/private/qssgrendershadercodegenerator_p.h> |
| #include <QtQuick3DRuntimeRender/private/qssgrendershadercache_p.h> |
| |
| #include <QtCore/qstring.h> |
| |
| QT_BEGIN_NAMESPACE |
| // So far the generator is only useful for graphics stages, |
| // it doesn't seem useful for compute stages. |
| enum class QSSGShaderGeneratorStage |
| { |
| None = 0, |
| Vertex = 1, |
| TessControl = 1 << 1, |
| TessEval = 1 << 2, |
| Geometry = 1 << 3, |
| Fragment = 1 << 4, |
| StageCount = 5, |
| }; |
| |
| Q_DECLARE_FLAGS(QSSGShaderGeneratorStageFlags, QSSGShaderGeneratorStage) |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QSSGShaderGeneratorStageFlags) |
| |
| class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGShaderStageGeneratorInterface |
| { |
| protected: |
| virtual ~QSSGShaderStageGeneratorInterface(); |
| |
| public: |
| virtual void addIncoming(const QByteArray &name, const QByteArray &type) = 0; |
| |
| virtual void addOutgoing(const QByteArray &name, const QByteArray &type) = 0; |
| |
| virtual void addUniform(const QByteArray &name, const QByteArray &type) = 0; |
| |
| virtual void addInclude(const QByteArray &name) = 0; |
| |
| virtual void addFunction(const QByteArray &functionName) = 0; |
| |
| virtual void addConstantBuffer(const QByteArray &name, const QByteArray &layout) = 0; |
| virtual void addConstantBufferParam(const QByteArray &cbName, const QByteArray ¶mName, const QByteArray &type) = 0; |
| |
| virtual QSSGShaderStageGeneratorInterface &operator<<(const QByteArray &data) = 0; |
| virtual void append(const QByteArray &data) = 0; |
| |
| virtual QSSGShaderGeneratorStage stage() const = 0; |
| }; |
| |
| class QSSGRenderContextInterface; |
| |
| class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGShaderProgramGeneratorInterface |
| { |
| public: |
| QAtomicInt ref; |
| |
| virtual ~QSSGShaderProgramGeneratorInterface() {} |
| static QSSGShaderGeneratorStageFlags defaultFlags() |
| { |
| return QSSGShaderGeneratorStageFlags(QSSGShaderGeneratorStage::Vertex | QSSGShaderGeneratorStage::Fragment); |
| } |
| virtual void beginProgram(QSSGShaderGeneratorStageFlags inEnabledStages = defaultFlags()) = 0; |
| |
| virtual QSSGShaderGeneratorStageFlags getEnabledStages() const = 0; |
| |
| // get the stage or nullptr if it has not been created. |
| virtual QSSGShaderStageGeneratorInterface *getStage(QSSGShaderGeneratorStage inStage) = 0; |
| |
| // Implicit call to end program. |
| |
| virtual QSSGRef<QSSGRenderShaderProgram> compileGeneratedShader(const QByteArray &inShaderName, |
| const QSSGShaderCacheProgramFlags &inFlags, |
| const ShaderFeatureSetList &inFeatureSet, |
| bool separableProgram = false) = 0; |
| |
| QSSGRef<QSSGRenderShaderProgram> compileGeneratedShader(const QByteArray &inShaderName, bool separableProgram = false); |
| |
| static QSSGRef<QSSGShaderProgramGeneratorInterface> createProgramGenerator(QSSGRenderContextInterface *inContext); |
| |
| static void outputParaboloidDepthVertex(QSSGShaderStageGeneratorInterface &inGenerator); |
| // By convention, the local space result of the TE is stored in vec4 pos local variable. |
| // This function expects such state. |
| static void outputParaboloidDepthTessEval(QSSGShaderStageGeneratorInterface &inGenerator); |
| // Utilities shared among the various different systems. |
| static void outputParaboloidDepthFragment(QSSGShaderStageGeneratorInterface &inGenerator); |
| |
| static void outputCubeFaceDepthVertex(QSSGShaderStageGeneratorInterface &inGenerator); |
| static void outputCubeFaceDepthGeometry(QSSGShaderStageGeneratorInterface &inGenerator); |
| static void outputCubeFaceDepthFragment(QSSGShaderStageGeneratorInterface &inGenerator); |
| }; |
| QT_END_NAMESPACE |
| #endif |