private List <string> FindUniforms(string shaderCode, BfshaLibrary.UniformBlock block, string blockName)
{
string swizzle = "x";
Dictionary <string, string> UniformMapping = new Dictionary <string, string>();
for (int i = 0; i < block.Uniforms.Count; i++)
{
string name = block.Uniforms.GetKey(i);
int size = 16;
if (i < block.Uniforms.Count - 1)
{
size = block.Uniforms[i + 1].Offset - block.Uniforms[i].Offset;
}
//
int startIndex = (block.Uniforms[i].Offset - 1) / 16;
int amount = size / 4;
int index = 0;
for (int j = 0; j < amount; j++)
{
UniformMapping.Add($"{blockName}[{startIndex + index}].{swizzle}", name);
if (swizzle == "w")
{
index++;
}
swizzle = SwizzleShift(swizzle);
}
}
List <string> loadedUniforms = new List <string>();
foreach (var line in shaderCode.Split('\n'))
{
//Uniforms are packed into 16 byte blocks
//Check for the uniform block
foreach (var val in UniformMapping)
{
if (line.Contains(val.Key) && !loadedUniforms.Contains(val.Value))
{
loadedUniforms.Add(val.Value);
}
}
}
return(loadedUniforms);
}
public void CreateUsedUniformListPixel(BfshaLibrary.UniformBlock block, string uniform)
{
UsedPixelStageUniforms = FindUniforms(File.ReadAllText(FragPath), block, uniform);
}
public void CreateUsedUniformListVertex(BfshaLibrary.UniformBlock block, string uniform)
{
UsedVertexStageUniforms = FindUniforms(File.ReadAllText(VertPath), block, uniform);
}
