comparison: src/gl/abstractshaderprogram.h
src/gl/abstractshaderprogram.h
- changeset 102
- 9f435f66bd0c
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| 101:910890292639 | 102:9f435f66bd0c |
|---|---|
| 1 #pragma once | |
| 2 #include "common.h" | |
| 3 | |
| 4 /** | |
| 5 * @brief Base class for shader programs | |
| 6 */ | |
| 7 class AbstractShaderProgram : public QObject, protected QOpenGLFunctions | |
| 8 { | |
| 9 Q_OBJECT | |
| 10 public: | |
| 11 struct ArraySpecification | |
| 12 { | |
| 13 GLenum drawMode; | |
| 14 std::size_t vertexSize; | |
| 15 QOpenGLBuffer::UsagePattern bufferUsagePattern = QOpenGLBuffer::StaticDraw; | |
| 16 }; | |
| 17 struct Array | |
| 18 { | |
| 19 const ArraySpecification specification; | |
| 20 QOpenGLBuffer buffer; | |
| 21 QOpenGLVertexArrayObject vertexArrayObject; | |
| 22 int count; | |
| 23 }; | |
| 24 AbstractShaderProgram(const QVector<ArraySpecification>& arraySpecifications, QObject* parent = nullptr); | |
| 25 ~AbstractShaderProgram() = default; | |
| 26 void initialize(); | |
| 27 Q_SLOT void setViewMatrix(const glm::mat4& newViewMatrix); | |
| 28 Q_SLOT void setProjectionMatrix(const glm::mat4& newProjectionMatrix); | |
| 29 Q_SLOT void setModelMatrix(const glm::mat4& newModelMatrix); | |
| 30 void draw(); | |
| 31 void teardown(); | |
| 32 protected: | |
| 33 void setMatrix(const char* name, const glm::mat4& matrix); | |
| 34 void upload(Array* array, const void* data, int count); | |
| 35 void checkForGLErrors(); | |
| 36 /// \returns the source code of the vertex shader | |
| 37 virtual const char* vertexShaderSource() const = 0; | |
| 38 /// \returns the source code of the fragment shader | |
| 39 virtual const char* fragmentShaderSource() const = 0; | |
| 40 /// Called during initialization to set up the VAO. Set up your vertex array attributes here. | |
| 41 virtual void setupVertexArrays() = 0; | |
| 42 | |
| 43 bool isInitialized = false; | |
| 44 QOpenGLShader vertexShader; | |
| 45 QOpenGLShader fragmentShader; | |
| 46 std::optional<gl::ShaderProgram> program{std::nullopt}; | |
| 47 QVector<Array> arrays; | |
| 48 }; |
