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Remove overcalling of glVertexAttrib4f

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This commit is contained in:
Bradley Austin Davis 2015-09-18 15:14:04 -07:00
parent ec86394556
commit f851c6204f
2 changed files with 10 additions and 3 deletions
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11
libraries/gpu/src/gpu/GLBackend.cpp
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@ -603,11 +603,16 @@ void Batch::_glColor4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
DO_IT_NOW(_glColor4f, 4);
}
void GLBackend::do_glColor4f(Batch& batch, uint32 paramOffset) {
// TODO Replace this with a proper sticky Input attribute buffer with frequency 0
glVertexAttrib4f( gpu::Stream::COLOR,
glm::vec4 newColor(
batch._params[paramOffset + 3]._float,
batch._params[paramOffset + 2]._float,
batch._params[paramOffset + 1]._float,
batch._params[paramOffset + 0]._float);
batch._params[paramOffset + 0]._float);
if (_input._colorAttribute != newColor) {
_input._colorAttribute = newColor;
glVertexAttrib4fv(gpu::Stream::COLOR, &_input._colorAttribute.r);
}
(void) CHECK_GL_ERROR();
}

2
libraries/gpu/src/gpu/GLBackend.h
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@ -278,6 +278,8 @@ protected:
Offsets _bufferStrides;
std::vector<GLuint> _bufferVBOs;
glm::vec4 _colorAttribute{ 0.0f };
BufferPointer _indexBuffer;
Offset _indexBufferOffset;
Type _indexBufferType;