VkResourceBindingContext.h

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//
// Copyright Contributors to the MaterialX Project
// SPDX-License-Identifier: Apache-2.0
//
 
#ifndef MATERIALX_VKRESOURCEBINDING_H
#define MATERIALX_VKRESOURCEBINDING_H
 
 
#include <MaterialXGenGlsl/Export.h>
 
#include <MaterialXGenShader/HwShaderGenerator.h>
 
MATERIALX_NAMESPACE_BEGIN
 
using VkResourceBindingContextPtr = shared_ptr<class VkResourceBindingContext>;
 
class MX_GENGLSL_API VkResourceBindingContext : public HwResourceBindingContext
{
  public:
    VkResourceBindingContext(size_t uniformBindingLocation);
 
    static VkResourceBindingContextPtr create(size_t uniformBindingLocation = 0)
    {
        return std::make_shared<VkResourceBindingContext>(uniformBindingLocation);
    }
 
    // Initialize the context before generation starts.
    void initialize() override;
 
    // Emit directives for stage
    void emitDirectives(GenContext& context, ShaderStage& stage) override;
 
    // Emit uniforms with binding information
    void emitResourceBindings(GenContext& context, const VariableBlock& uniforms, ShaderStage& stage) override;
 
    // Emit structured uniforms with binding information and align members where possible
    void emitStructuredResourceBindings(GenContext& context, const VariableBlock& uniforms,
                                        ShaderStage& stage, const std::string& structInstanceName,
                                        const std::string& arraySuffix) override;
 
  protected:
    // Binding location for uniform blocks
    size_t _hwUniformBindLocation = 0;
 
    // Initial value of uniform binding location
    size_t _hwInitUniformBindLocation = 0;
};
 
MATERIALX_NAMESPACE_END
 
#endif