private void Bind(OGLShaderStage Stage)
{
if (Stage.Type == GalShaderType.Geometry)
{
//Enhanced layouts are required for Geometry shaders
//skip this stage if current driver has no ARB_enhanced_layouts
if (!OGLExtension.HasEnhancedLayouts())
{
return;
}
}
switch (Stage.Type)
{
case GalShaderType.Vertex: Current.Vertex = Stage; break;
case GalShaderType.TessControl: Current.TessControl = Stage; break;
case GalShaderType.TessEvaluation: Current.TessEvaluation = Stage; break;
case GalShaderType.Geometry: Current.Geometry = Stage; break;
case GalShaderType.Fragment: Current.Fragment = Stage; break;
}
}
private void AttachIfNotNull(int ProgramHandle, OGLShaderStage Stage)
{
if (Stage != null)
{
Stage.Compile();
GL.AttachShader(ProgramHandle, Stage.Handle);
}
}
public void Create(
long KeyA,
long KeyB,
byte[] BinaryA,
byte[] BinaryB,
GalShaderType Type)
{
long Key = KeyB;
if (Stages.TryGetValue(Key, out List <OGLShaderStage> Cache))
{
OGLShaderStage CachedStage = Cache.Find((OGLShaderStage Stage) => Stage.EqualsBinary(BinaryA, BinaryB));
if (CachedStage != null)
{
TopStages[Key] = CachedStage;
return;
}
}
else
{
Cache = new List <OGLShaderStage>();
Stages.Add(Key, Cache);
}
GlslProgram Program;
GlslDecompiler Decompiler = new GlslDecompiler();
if (BinaryA != null)
{
ShaderHelper.Dump(BinaryA, Type, "a");
ShaderHelper.Dump(BinaryB, Type, "b");
Program = Decompiler.Decompile(BinaryA, BinaryB, Type);
}
else
{
ShaderHelper.Dump(BinaryB, Type);
Program = Decompiler.Decompile(BinaryB, Type);
}
OGLShaderStage NewStage = new OGLShaderStage(
Type,
BinaryA,
BinaryB,
Program.Code,
Program.Uniforms,
Program.Textures);
Cache.Add(NewStage);
TopStages[Key] = NewStage;
if (BinaryA != null)
{
TopStageSizes[KeyA] = BinaryA.Length;
}
TopStageSizes[KeyB] = BinaryB.Length;
}