textureBinder.h

//
// Copyright 2020 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HD_ST_TEXTURE_BINDER_H
#define PXR_IMAGING_HD_ST_TEXTURE_BINDER_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hdSt/api.h"
#include "pxr/imaging/hdSt/shaderCode.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
using HdBufferSpecVector = std::vector<struct HdBufferSpec>;
struct HgiResourceBindingsDesc;
 
class HdSt_TextureBinder {
public:
    using NamedTextureHandle =
        HdStShaderCode::NamedTextureHandle;
    using NamedTextureHandleVector =
        HdStShaderCode::NamedTextureHandleVector;
 
    static void
    GetBufferSpecs(
        const NamedTextureHandleVector &textures,
        HdBufferSpecVector * specs,
        bool doublesSupported);
 
    static void
    ComputeBufferSources(
        const NamedTextureHandleVector &textures,
        HdBufferSourceSharedPtrVector * sources,
        bool doublesSupported);
 
    static void
    BindResources(
        HdSt_ResourceBinder const &binder,
        const NamedTextureHandleVector &textures);
 
    static void
    UnbindResources(
        HdSt_ResourceBinder const &binder,
        const NamedTextureHandleVector &textures);
 
    static void
    GetBindingDescs(
        HdSt_ResourceBinder const &binder,
        HgiResourceBindingsDesc * bindingsDesc,
        const NamedTextureHandleVector &textures);
 
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif  // PXR_IMAGING_HD_ST_TEXTURE_BINDER_H