feature/imgui-sdl
Last change
on this file since 6d698e5 was 0b1b52d, checked in by Dmitry Portnoy <dmitry.portnoy@…>, 5 years ago |
In openglgame, port over the functionality to specify and initialize varying attributes
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Property mode
set to
100644
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File size:
1.2 KB
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1 | #ifndef _GRAPHICS_PIPELINE_OPENGL_H
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2 | #define _GRAPHICS_PIPELINE_OPENGL_H
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3 |
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4 | #include "graphics-pipeline.hpp"
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5 |
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6 | #include <vector>
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7 |
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8 | #include <GL/glew.h>
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9 |
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10 | enum VaryingAttribType {
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11 | ATTRIB_OBJECT_VARYING,
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12 | ATTRIB_POINT_VARYING,
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13 | };
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14 |
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15 | // TODO: Might be better to create a different struct for uniform attributes
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16 | struct VaryingAttribInfo {
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17 | VaryingAttribType attribType;
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18 | GLuint index;
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19 | GLint size;
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20 | GLenum type;
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21 | // UniformType uniType;
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22 | GLuint buffer; // For uniforms, this is the uniform location
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23 | size_t fieldOffset;
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24 | // GLfloat* data; // pointer to data source for uniform attributes
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25 | };
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26 |
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27 | class GraphicsPipeline_OpenGL : public GraphicsPipeline {
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28 | public:
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29 | GraphicsPipeline_OpenGL(Viewport viewport);
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30 | ~GraphicsPipeline_OpenGL();
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31 |
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32 | void addVaryingAttribute(VaryingAttribType attribType, GLint size, GLenum type, size_t fieldOffset);
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33 | void createPipeline(string vertShaderFile, string fragShaderFile);
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34 |
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35 | private:
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36 | GLuint shaderProgram;
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37 | GLuint vao;
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38 | unsigned int numPoints;
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39 |
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40 | vector<VaryingAttribInfo> varyingAttribs;
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41 |
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42 | GLuint loadShaderProgram(string vertShaderFile, string fragShaderFile);
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43 | GLuint loadShader(GLenum type, string file);
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44 | };
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45 |
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46 | #endif // _GRAPHICS_PIPELINE_OPENGL_H
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