internal GLProgram(bool valid, int programHandle, GLVertexSignature signature, GLUniformBlock[] uniformBlocks, GLUniform[] uniforms, string infoLog = null)
{
Valid = valid;
Handle = programHandle;
Signature = signature;
UniformBlocks = uniformBlocks;
Uniforms = uniforms;
InfoLog = infoLog;
}
private static GLUniform[] ExtractUniforms(int programHandle)
{
int uniformCount;
GL.GetProgram(programHandle, GetProgramParameterName.ActiveUniforms, out uniformCount);
GLUniform[] uniforms = new GLUniform[uniformCount];
for (int i = 0; i < uniformCount; ++i)
{
int count;
ActiveUniformType type;
string name = GL.GetActiveUniform(programHandle, i, out count, out type);
int location = GL.GetUniformLocation(programHandle, name);
int componentCount, componentSize;
MeasureActiveUniform(type, out componentCount, out componentSize);
uniforms[i] = new GLUniform(type, i, location, count, name, componentCount, componentSize);
}
return uniforms;
}
private static GLUniformBlock[] ExtractUniformBlocks(int programHandle, GLUniform[] uniforms)
{
int uniformBlockCount;
GL.GetProgram(programHandle, GetProgramParameterName.ActiveUniformBlocks, out uniformBlockCount);
GLUniformBlock[] uniformBlocks = new GLUniformBlock[uniformBlockCount];
for (int i = 0; i < uniformBlockCount; i++)
{
int nameLength;
StringBuilder sb = new StringBuilder();
GL.GetActiveUniformBlockName(programHandle, i, 100, out nameLength, sb);
string uniformBlockName = sb.ToString();
int activeUniforms;
GL.GetActiveUniformBlock(programHandle, i, ActiveUniformBlockParameter.UniformBlockActiveUniforms, out activeUniforms);
int[] activeUniformIndices = new int[activeUniforms];
GL.GetActiveUniformBlock(programHandle, i, ActiveUniformBlockParameter.UniformBlockActiveUniformIndices, activeUniformIndices);
int dataSize;
GL.GetActiveUniformBlock(programHandle, i, ActiveUniformBlockParameter.UniformBlockDataSize, out dataSize);
uniformBlocks[i] = new GLUniformBlock(i, uniformBlockName);
}
return uniformBlocks;
}
