EffectsGLES30.h

#pragma once
 
#include "../Base/EffectsCommon.h"
 
#include "CommonGLES30.h"
 
#include "../Base/Utilities.h"
 
namespace Cogs
{
  struct ContextGLES30;
 
  struct EffectsGLES30 : EffectsCommon
  {
    void initialize(ContextGLES30* context, uint32_t delayFrames = 0);
 
    void beginFrame() { ++currentFrame; }
 
    EffectHandle load(const ProcessedContent & vsSource,
      const ProcessedContent & hsSource,
      const ProcessedContent & dsSource,
      const ProcessedContent & gsSource,
      const ProcessedContent & psSource,
      const StringView & vsEntryPoint,
      const StringView & hsEntryPoint,
      const StringView & dsEntryPoint,
      const StringView & gsEntryPoint,
      const StringView & psEntryPoint,
      const EffectDescription & desc) override;
 
    void releaseEffect(EffectHandle handle);
 
    ResourceStatus checkEffect(EffectHandle effectHandle) override;
 
    EffectVariableHandle getEffectVariable(EffectHandle effectHandle, const StringView & name) override;
    ConstantBufferBindingHandle getConstantBufferBinding(EffectHandle effectHandle, const StringView & name) override;
 
    TextureBindingHandle getTextureBinding(EffectHandle effectHandle, const StringView & name, const unsigned int slot) override;
    SamplerStateBindingHandle getSamplerStateBinding(EffectHandle effectHandle, const StringView & name, const unsigned int slot) override;
 
    void releaseResources();
 
    ResourceMap<EffectHandle, EffectGLES30> effects;
 
    uint32_t delayFrames = 0;
    uint32_t currentFrame = 0;
    uint32_t allEffectsReadyFrame = 0; // Highest readyAtFrame across all effects, used to know when to stop requesting redraws.
 
    // Inherited via EffectsCommon
    virtual EffectHandle loadComputeEffect(const StringView & fileName, EffectFlags::EEffectFlags effectFlags) override;
    virtual EffectHandle loadComputeEffect(const StringView & fileName, const PreprocessorDefinitions & definitions, EffectFlags::EEffectFlags effectFlags) override;
  private:
    ContextGLES30* context = nullptr;
    EffectHandle loadEffect(const char* pVertexSource, const char* pFragmentSource, const PreprocessorDefinitions& definitions, EffectFlags::EEffectFlags effectFlags);
    GLint loadShader(GLenum shaderType, const char* pSource, PreprocessorDefinitions definitions);
 
  };
}