comparison: src/gl/basicshaderprogram.h
src/gl/basicshaderprogram.h
- changeset 75
- 204dc77e5654
- parent 70
- f21b800b02a4
- child 102
- 9f435f66bd0c
- child 118
- 8e1c9f18ae15
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| 74:6b51e7b7c459 | 75:204dc77e5654 |
|---|---|
| 1 #pragma once | 1 #pragma once |
| 2 #include "common.h" | 2 #include "common.h" |
| 3 | 3 |
| 4 /** | |
| 5 * @brief Base class for basic shader programs | |
| 6 * | |
| 7 * A basic program is a collection of a single VAO with a single VBO, | |
| 8 * a vertex shader and a fragment shader. This program deals with these | |
| 9 * components, leaving the program-specific details to the subclasses. | |
| 10 */ | |
| 4 class AbstractBasicShaderProgram : public QObject, protected QOpenGLFunctions | 11 class AbstractBasicShaderProgram : public QObject, protected QOpenGLFunctions |
| 5 { | 12 { |
| 6 Q_OBJECT | 13 Q_OBJECT |
| 7 public: | 14 public: |
| 8 AbstractBasicShaderProgram(QObject* parent = nullptr); | 15 AbstractBasicShaderProgram(QObject* parent = nullptr); |
| 14 void draw(); | 21 void draw(); |
| 15 void teardown(); | 22 void teardown(); |
| 16 protected: | 23 protected: |
| 17 void setMatrix(const char* name, const glm::mat4& matrix); | 24 void setMatrix(const char* name, const glm::mat4& matrix); |
| 18 void checkForGLErrors(); | 25 void checkForGLErrors(); |
| 26 /// \returns the source code of the vertex shader | |
| 19 virtual const char* vertexShaderSource() const = 0; | 27 virtual const char* vertexShaderSource() const = 0; |
| 28 /// \returns the source code of the fragment shader | |
| 20 virtual const char* fragmentShaderSource() const = 0; | 29 virtual const char* fragmentShaderSource() const = 0; |
| 30 /// \returns the vertex data for the VBO | |
| 21 virtual const void* vertexData() const = 0; | 31 virtual const void* vertexData() const = 0; |
| 32 /// \returns the size of a single vertex in bytes | |
| 22 virtual int vertexSize() const = 0; | 33 virtual int vertexSize() const = 0; |
| 34 /// \returns the amount of vertices in the data | |
| 23 virtual int vertexCount() const = 0; | 35 virtual int vertexCount() const = 0; |
| 36 /// Called during initialization to set up the VAO. Set up your vertex array attributes here. | |
| 24 virtual void setupVertexArrays() = 0; | 37 virtual void setupVertexArrays() = 0; |
| 38 // \returns what kind of elements are drawn (GL_QUADS, GL_TRIANGLES, GL_LINES, etc) | |
| 25 virtual GLenum drawMode() const = 0; | 39 virtual GLenum drawMode() const = 0; |
| 26 bool isInitialized = false; | 40 bool isInitialized = false; |
| 27 QOpenGLBuffer buffer; | 41 QOpenGLBuffer buffer; |
| 28 QOpenGLShader vertexShader; | 42 QOpenGLShader vertexShader; |
| 29 QOpenGLShader fragmentShader; | 43 QOpenGLShader fragmentShader; |
