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OpenGL: Add GLEW-inspired dynamic function loading

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reuk 2021-05-19 14:47:35 +01:00
parent 8a6a520026
commit 54423f6583
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GPG key ID: 9ADCD339CFC98A11
21 changed files with 23934 additions and 525 deletions
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20
modules/juce_opengl/opengl/juce_OpenGLGraphicsContext.cpp
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@ -419,18 +419,18 @@ struct ShaderPrograms : public ReferenceCountedObject
screenBounds.set (bounds.getX(), bounds.getY(), 0.5f * bounds.getWidth(), 0.5f * bounds.getHeight());
}
void bindAttributes (OpenGLContext& context)
void bindAttributes()
{
context.extensions.glVertexAttribPointer ((GLuint) positionAttribute.attributeID, 2, GL_SHORT, GL_FALSE, 8, nullptr);
context.extensions.glVertexAttribPointer ((GLuint) colourAttribute.attributeID, 4, GL_UNSIGNED_BYTE, GL_TRUE, 8, (void*) 4);
context.extensions.glEnableVertexAttribArray ((GLuint) positionAttribute.attributeID);
context.extensions.glEnableVertexAttribArray ((GLuint) colourAttribute.attributeID);
gl::glVertexAttribPointer ((GLuint) positionAttribute.attributeID, 2, GL_SHORT, GL_FALSE, 8, nullptr);
gl::glVertexAttribPointer ((GLuint) colourAttribute.attributeID, 4, GL_UNSIGNED_BYTE, GL_TRUE, 8, (void*) 4);
gl::glEnableVertexAttribArray ((GLuint) positionAttribute.attributeID);
gl::glEnableVertexAttribArray ((GLuint) colourAttribute.attributeID);
}
void unbindAttributes (OpenGLContext& context)
void unbindAttributes()
{
context.extensions.glDisableVertexAttribArray ((GLuint) positionAttribute.attributeID);
context.extensions.glDisableVertexAttribArray ((GLuint) colourAttribute.attributeID);
gl::glDisableVertexAttribArray ((GLuint) positionAttribute.attributeID);
gl::glDisableVertexAttribArray ((GLuint) colourAttribute.attributeID);
}
OpenGLShaderProgram::Attribute positionAttribute, colourAttribute;
@ -1314,7 +1314,7 @@ struct StateHelpers
activeShader = &shader;
shader.program.use();
shader.bindAttributes (context);
shader.bindAttributes();
if (shader.onShaderActivated)
shader.onShaderActivated (shader.program);
@ -1341,7 +1341,7 @@ struct StateHelpers
if (activeShader != nullptr)
{
quadQueue.flush();
activeShader->unbindAttributes (context);
activeShader->unbindAttributes();
activeShader = nullptr;
context.extensions.glUseProgram (0);
}