public IBufferRange CreateUniformBufferRange(IUniformBlock uniformBlock)
{
var r = new BufferRangeGL(this, uniformBlock);
Add(r);
return(r);
}
public static IUniformBuffer Create(IUniformBlock uniformBlock)
{
/*if(Configuration.useGl1)
* {
* return (IUniformBuffer)new UniformBufferGL1(uniformBlock);
* }*/
return((IUniformBuffer) new UniformBufferGL(uniformBlock));
}
public IBufferRange CreateUniformBufferRange(IUniformBlock uniformBlock)
{
#if false
var gl = (BufferRangeGL)bufferGL.CreateUniformBufferRange(uniformBlock);
var rl = (BufferRangeRL)bufferRL.CreateUniformBufferRange(uniformBlock);
return(new BufferRangeGLRL(gl, rl));
#else
return((BufferRangeGL)bufferGL.CreateUniformBufferRange(uniformBlock));
#endif
}
public UniformBufferRL(IUniformBlock uniformBlock)
{
data = new UniformBufferData(uniformBlock);
IBuffer buffer = BufferPool.Instance.GetUniformBufferRL(OpenTK.Graphics.OpenGL.BufferUsageHint.DynamicDraw);
bufferRange = buffer.CreateUniformBufferRange(uniformBlock);
bufferRange.Name = uniformBlock.Name;
Sync();
}
public Material(
string name,
IProgram program,
IUniformBlock uniformBlock
)
{
this.name = name;
Program = program;
uniformBuffer = UniformBufferFactory.Create(uniformBlock);
uniformBuffer.Sync();
}
public UniformBufferGL(IUniformBlock uniformBlock)
{
// Required always
data = new UniformBufferData(uniformBlock);
// Required for GL3 and OpenRL only
if (Configuration.canUseUniformBufferObject && (Configuration.useGl1 == false))
{
IBuffer buffer = BufferPool.Instance.GetUniformBufferGL(BufferUsageHint.DynamicDraw);
bufferRange = buffer.CreateUniformBufferRange(uniformBlock);
bufferRange.Name = uniformBlock.Name;
Sync();
}
}
// Uniform Buffer
internal BufferRangeRL(BufferRL buffer, IUniformBlock uniformBlock)
{
this.uniformBlock = uniformBlock;
this.buffer = buffer;
unchecked
{
this.beginMode = (BeginMode)(uint.MaxValue); // uniform buffers do not have a valid begin mode value
}
buffer.Add(this);
// Pre-initialize uniform buffer as we do not use BeginEdit() / EndEdit()
size = uniformBlock.Size;
data = new byte[size];
}
// Uniform Buffer
public BufferRangeGL(BufferGL buffer, IUniformBlock uniformBlock)
{
#if DEBUG
if (Configuration.useGl1)
{
throw new InvalidOperationException();
}
#endif
this.uniformBlock = uniformBlock as UniformBlockGL;
if (this.uniformBlock == null)
{
throw new InvalidOperationException();
}
this.buffer = buffer;
unchecked
{
this.beginMode = (BeginMode)(uint.MaxValue); // uniform buffers do not have a valid begin mode value
}
// Pre-initialize uniform buffer as we do not use BeginEdit() / EndEdit()
size = uniformBlock.Size;
data = new byte[size];
}
public UniformBufferData(IUniformBlock uniformBlock /*, IBufferRange bufferRange*/)
{
this.uniformBlock = uniformBlock;
//this.uniformBufferRange = bufferRange;
parameterArray = new IUniformValue[uniformBlock.Uniforms.Count];
int i = 0;
foreach (var uniform in uniformBlock.Uniforms)
{
#if DEBUG_UNIFORM_BUFFER
System.Diagnostics.Debug.WriteLine(
uniform.Type.ToString() + " " + uniform.Name +
", index = " + uniform.Index +
", i = " + i +
", offset = " + uniform.Offset +
", stride = " + uniform.Stride
);
#endif
switch (uniform.Type)
{
case ActiveUniformType.Float: parameterArray[i] = new Floats(1, uniform.Count); break;
case ActiveUniformType.FloatVec2: parameterArray[i] = new Floats(2, uniform.Count); break;
case ActiveUniformType.FloatVec3: parameterArray[i] = new Floats(3, uniform.Count); break;
case ActiveUniformType.FloatVec4: parameterArray[i] = new Floats(4, uniform.Count); break;
case ActiveUniformType.FloatMat4: parameterArray[i] = new Floats(16, uniform.Count); break;
case ActiveUniformType.Int: parameterArray[i] = new Ints(1, uniform.Count); break;
case ActiveUniformType.UnsignedInt: parameterArray[i] = new UInts(1, uniform.Count); break;
case ActiveUniformType.Sampler1D: break;
case ActiveUniformType.Sampler1DArray: break;
case ActiveUniformType.Sampler1DArrayShadow: break;
case ActiveUniformType.Sampler1DShadow: break;
case ActiveUniformType.Sampler2D: break;
case ActiveUniformType.Sampler2DArray: break;
case ActiveUniformType.Sampler2DArrayShadow: break;
case ActiveUniformType.Sampler2DMultisample: break;
case ActiveUniformType.Sampler2DMultisampleArray: break;
case ActiveUniformType.Sampler2DRect: break;
case ActiveUniformType.Sampler2DRectShadow: break;
case ActiveUniformType.Sampler2DShadow: break;
case ActiveUniformType.Sampler3D: break;
case ActiveUniformType.SamplerBuffer: break;
case ActiveUniformType.SamplerCube: break;
case ActiveUniformType.SamplerCubeMapArray: break;
case ActiveUniformType.SamplerCubeMapArrayShadow: break;
case ActiveUniformType.SamplerCubeShadow: break;
default:
{
throw new System.Exception("Unsupported uniform type");
}
}
if (parameterArray[i] != null)
{
parameterArray[i].Index = i;//uniform.Index;
parameters[uniform.Name] = parameterArray[i];
if (uniform.Default != null)
{
parameterArray[i].CopyFrom(uniform.Default);
}
}
i++;
}
}
public IBufferRange CreateUniformBufferRange(IUniformBlock uniformBlock)
{
return(new BufferRangeRL(this, uniformBlock));
}
