private static UniformBlockCollection FindUniformBlocks(ShaderProgramNameGL3x program)
{
int programHandle = program.Value;
int numberOfUniformBlocks;
GL.GetProgram(programHandle, ProgramParameter.ActiveUniformBlocks, out numberOfUniformBlocks);
UniformBlockCollection uniformBlocks = new UniformBlockCollection();
for (int i = 0; i < numberOfUniformBlocks; ++i)
{
string uniformBlockName = GL.GetActiveUniformBlockName(programHandle, i);
int uniformBlockSizeInBytes;
GL.GetActiveUniformBlock(programHandle, i, ActiveUniformBlockParameter.UniformBlockDataSize, out uniformBlockSizeInBytes);
int numberOfUniformsInBlock;
GL.GetActiveUniformBlock(programHandle, i, ActiveUniformBlockParameter.UniformBlockActiveUniforms, out numberOfUniformsInBlock);
int[] uniformIndicesInBlock = new int[numberOfUniformsInBlock];
GL.GetActiveUniformBlock(programHandle, i, ActiveUniformBlockParameter.UniformBlockActiveUniformIndices, uniformIndicesInBlock);
//
// Query uniforms in this named uniform block
//
int[] uniformTypes = new int[numberOfUniformsInBlock];
int[] uniformOffsetsInBytes = new int[numberOfUniformsInBlock];
int[] uniformLengths = new int[numberOfUniformsInBlock];
int[] uniformArrayStridesInBytes = new int[numberOfUniformsInBlock];
int[] uniformmatrixStrideInBytess = new int[numberOfUniformsInBlock];
int[] uniformRowMajors = new int[numberOfUniformsInBlock];
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformType, uniformTypes);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformOffset, uniformOffsetsInBytes);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformSize, uniformLengths);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformArrayStride, uniformArrayStridesInBytes);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformMatrixStride, uniformmatrixStrideInBytess);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformIsRowMajor, uniformRowMajors);
UniformBlock uniformBlock = new UniformBlockGL3x(uniformBlockName, uniformBlockSizeInBytes, i);
for (int j = 0; j < numberOfUniformsInBlock; ++j)
{
string uniformName = GL.GetActiveUniformName(programHandle, uniformIndicesInBlock[j]);
uniformName = CorrectUniformName(uniformName);
UniformType uniformType = TypeConverterGL3x.To((ActiveUniformType)uniformTypes[j]);
uniformBlock.Members.Add(CreateUniformBlockMember(uniformName,
uniformType, uniformOffsetsInBytes[j], uniformLengths[j], uniformArrayStridesInBytes[j],
uniformmatrixStrideInBytess[j], uniformRowMajors[j]));
}
uniformBlocks.Add(uniformBlock);
//
// Create a one to one mapping between uniform blocks and uniform buffer objects.
//
GL.UniformBlockBinding(programHandle, i, i);
}
return uniformBlocks;
}
private static UniformBlockCollection FindUniformBlocks(ShaderProgramNameGL3x program)
{
int programHandle = program.Value;
int numberOfUniformBlocks;
GL.GetProgram(programHandle, ProgramParameter.ActiveUniformBlocks, out numberOfUniformBlocks);
UniformBlockCollection uniformBlocks = new UniformBlockCollection();
for (int i = 0; i < numberOfUniformBlocks; ++i)
{
string uniformBlockName = GL.GetActiveUniformBlockName(programHandle, i);
int uniformBlockSizeInBytes;
GL.GetActiveUniformBlock(programHandle, i, ActiveUniformBlockParameter.UniformBlockDataSize, out uniformBlockSizeInBytes);
int numberOfUniformsInBlock;
GL.GetActiveUniformBlock(programHandle, i, ActiveUniformBlockParameter.UniformBlockActiveUniforms, out numberOfUniformsInBlock);
int[] uniformIndicesInBlock = new int[numberOfUniformsInBlock];
GL.GetActiveUniformBlock(programHandle, i, ActiveUniformBlockParameter.UniformBlockActiveUniformIndices, uniformIndicesInBlock);
//
// Query uniforms in this named uniform block
//
int[] uniformTypes = new int[numberOfUniformsInBlock];
int[] uniformOffsetsInBytes = new int[numberOfUniformsInBlock];
int[] uniformLengths = new int[numberOfUniformsInBlock];
int[] uniformArrayStridesInBytes = new int[numberOfUniformsInBlock];
int[] uniformmatrixStrideInBytess = new int[numberOfUniformsInBlock];
int[] uniformRowMajors = new int[numberOfUniformsInBlock];
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformType, uniformTypes);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformOffset, uniformOffsetsInBytes);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformSize, uniformLengths);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformArrayStride, uniformArrayStridesInBytes);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformMatrixStride, uniformmatrixStrideInBytess);
GL.GetActiveUniforms(programHandle, numberOfUniformsInBlock, uniformIndicesInBlock, ActiveUniformParameter.UniformIsRowMajor, uniformRowMajors);
UniformBlock uniformBlock = new UniformBlockGL3x(uniformBlockName, uniformBlockSizeInBytes, i);
for (int j = 0; j < numberOfUniformsInBlock; ++j)
{
string uniformName = GL.GetActiveUniformName(programHandle, uniformIndicesInBlock[j]);
uniformName = CorrectUniformName(uniformName);
UniformType uniformType = TypeConverterGL3x.To((ActiveUniformType)uniformTypes[j]);
uniformBlock.Members.Add(CreateUniformBlockMember(uniformName,
uniformType, uniformOffsetsInBytes[j], uniformLengths[j], uniformArrayStridesInBytes[j],
uniformmatrixStrideInBytess[j], uniformRowMajors[j]));
}
uniformBlocks.Add(uniformBlock);
//
// Create a one to one mapping between uniform blocks and uniform buffer objects.
//
GL.UniformBlockBinding(programHandle, i, i);
}
return(uniformBlocks);
}
