src/gl/basicshaderprogram.h

Wed, 29 Jun 2022 16:19:05 +0300

author
Teemu Piippo <teemu.s.piippo@gmail.com>
date
Wed, 29 Jun 2022 16:19:05 +0300
changeset 307
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parent 264
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child 377
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permissions
-rw-r--r--

simplify a bit

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1 #pragma once
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2 #include "src/gl/common.h"
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3
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4 struct GLAttributeSpec
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5 {
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6 GLenum type;
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7 int offset;
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8 int tuplesize;
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9 int stride;
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10 };
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12 //! @brief A collection of a single VAO with a single VBO,
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13 //! a vertex shader and a fragment shader.
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14 class BasicShader final
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15 {
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16 bool isInitialized = false;
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17 QOpenGLBuffer buffer;
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18 QOpenGLShader vertexShader;
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19 QOpenGLShader fragmentShader;
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20 std::unique_ptr<gl::ShaderProgram> program = nullptr;
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21 QOpenGLVertexArrayObject vertexArrayObject;
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22 int vertexCount = 0;
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23 public:
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24 BasicShader();
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25 ~BasicShader();
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26 Q_DISABLE_COPY(BasicShader)
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27 void initialize(
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28 const char* vertexShaderSource,
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29 const char* fragmentShaderSource,
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30 QOpenGLBuffer::UsagePattern usagePattern,
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31 const std::vector<GLAttributeSpec>& attributeSpecs);
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32 void setUniformMatrix(const char* name, const glm::mat4& value);
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33 void setUniformVector(const char* name, const glm::vec4& value);
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34 void setMvpMatrix(const glm::mat4& newMvpMatrix);
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35 void bufferData(const void* data, std::size_t count, std::size_t size);
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36 void draw(GLenum drawMode);
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37 void teardown();
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38 };

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