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POFunction not being called in release mode?
 

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  1. POFunction not being called in release mode?
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    <p>I'm having trouble with a function is not being called when compiled in release mode, it works fine in debug mode and release mode when <strong>no optimization</strong> are applied. Anyone knows why it does that? I'm using Visual C++ Express 2010.</p> <pre><code>void CShader::SetUniforms(const GLuint NumUniforms, const LPUNIFORM Uniforms) { if(!m_HasUniforms || !Uniforms) return; for(GLuint i = 0; i &lt; NumUniforms; i++) { SetUniformData(i, Uniforms[i].Size, Uniforms[i].NumValues, Uniforms[i].Value); } } </code></pre> <p>As you can see it should call SetUniformData(...) NumUniforms times, however in release mode it just doesn't call it :s. I can't even put a breakpoint inside SetUniformData, it just tells me there's no executable code.<br/><br/>SetUniformData() function looks like this:</p> <pre><code>void CShader::SetUniformData(const GLuint UniformIndex, const GLuint Size, const UINT NumValues, const GLvoid* Data) { switch(Size) { case sizeof(float): glUniform1fv(m_UniformLocations[UniformIndex], NumValues, (GLfloat*)Data); break; case sizeof(Vector2f): glUniform2fv(m_UniformLocations[UniformIndex], NumValues, (GLfloat*)Data); break; case sizeof(Vector3f): glUniform3fv(m_UniformLocations[UniformIndex], NumValues, (GLfloat*)Data); break; case sizeof(Vector4f): glUniform4fv(m_UniformLocations[UniformIndex], NumValues, (GLfloat*)Data); break; case sizeof(Matrix33f): glUniformMatrix3fv(m_UniformLocations[UniformIndex], NumValues, GL_FALSE, (GLfloat*)Data); break; case sizeof(Matrix44f): glUniformMatrix4fv(m_UniformLocations[UniformIndex], NumValues, GL_FALSE, (GLfloat*)Data); break; default: break; } } </code></pre>
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    1. USTraxmate
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    1. COWhat do you mean "it doesn't call" the function? Do you mean that the effects of the function are not observed? Do you mean that your breakpoint is not hit? The function may not exist at runtime due to all sorts of optimizations, especially not in a form that remotely resembles the source code.
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      1. POFunction not being called in release mode?
      1. USJames McNellis
    2. COmaybe you could write out the value of NumUniforms to a file when running in release mode, to see if it really is != 0 and the other parameters too.
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      1. POFunction not being called in release mode?
      1. USAnders K.
    3. COTry disassembling `CShader::SetUniformData` compiled in debug and release modes.
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      1. POFunction not being called in release mode?
      1. USn.m.
 

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