ContextNull.h

#pragma once
 
#include "../IContext.h"
#include "../Statistics.h"
 
namespace Cogs {
  class ContextNull : public IContext {
  public:
    virtual const FrameStatistics& getLastFrameStatistics() override { return frame_statistics; }
    virtual const UploadStatistics& getLastUploadStatistics() override { return upload_statistics; }
    virtual void frameStatisticsConfigure(bool /*enable*/) override {}
    virtual void signal(FenceHandle /*fenceHandle*/) override {}
 
    virtual void clearRenderTarget(const float* /*value*/) override {}
    virtual void clearRenderTarget(const float** /*values*/, const int /*numvalues*/) override {}
    virtual void clearDepth(const float /*depth*/ = 1.0f) override {}
 
    virtual void beginRenderPass(const RenderPassInfo &/*info*/) override {}
    virtual void endRenderPass() override {}
 
    virtual void setRenderTarget(const RenderTargetHandle /*handle*/, const DepthStencilHandle /*depthStencilHandle*/) override {}
    virtual void setViewport(const float /*x*/, const float /*y*/, const float /*width*/, const float /*height*/) override {}
    virtual void setScissor(const int /*x*/, const int /*y*/, const int /*width*/, const int /*height*/) override {}
    virtual void setDepthStencilState(const DepthStencilStateHandle /*handle*/) override {}
    virtual void setBlendState(const BlendStateHandle /*handle*/, const float* /*constant*/) override {}
    virtual void setRasterizerState(const RasterizerStateHandle /*handle*/) override {}
    virtual void setEffect(EffectHandle /*handle*/) override {}
 
    virtual void setTexture(const StringView& /*name*/, unsigned int /*unit*/, TextureHandle /*textureHandle*/) override {}
    virtual void setTexture(const TextureBindingHandle /*textureBindingHandle*/, const TextureHandle /*textureHandle*/) override {}
    virtual void setTexture(const StringView& /*name*/, TextureViewHandle /*textureViewHandle*/) override {}
    virtual void setTexture(const TextureBindingHandle /*textureBindingHandle*/, TextureViewHandle /*textureViewHandle*/) override {}
 
    virtual void setSamplerState(const StringView& /*name*/, unsigned int /*unit*/, SamplerStateHandle /*samplerStateHandle*/) override {}
    virtual void setSamplerState(const SamplerStateBindingHandle /*samplerStateBindingHandle*/, const SamplerStateHandle /*samplerStateHandle*/) override {}
 
    virtual void setInputLayout(const InputLayoutHandle /*inputLayoutHandle*/) override {}
 
    virtual void setVertexBuffers(const VertexBufferHandle* /*vertexBufferHandles*/, const size_t /*count*/, const uint32_t* /*strides*/, const uint32_t* /*offsets*/) override {}
    virtual void setVertexBuffers(const VertexBufferHandle* /*vertexBufferHandles*/, const size_t /*count*/) override {}
 
    virtual void setIndexBuffer(IndexBufferHandle /*bufferHandle*/, uint32_t /*stride*/ = 4, uint32_t /*offset*/ = 0) override {}
 
    virtual void setVertexArrayObject(VertexArrayObjectHandle /*vertexArrayObject*/) override {}
 
    virtual void setConstantBuffer(const StringView& /*name*/, const BufferHandle /*bufferHandle*/, const uint32_t /*offset*/ = 0, const uint32_t /*size*/ = ~0u) override {}
    virtual void setConstantBuffer(const ConstantBufferBindingHandle /*bufferBindingHandle*/, const BufferHandle /*bufferHandle*/, const uint32_t /*offset*/ = 0, const uint32_t /*size*/ = ~0u) override {}
    virtual void setBuffer(const StringView& /*name*/, BufferHandle /*bufferHandle*/) override {}
    virtual void setBuffer(const BufferBindingHandle /*bufferBindingHandle*/, BufferHandle /*bufferHandle*/) override {}
    virtual void setBufferCounter(BufferHandle /*bufferHandle*/, uint32_t /*value*/) override {}
    virtual void setBufferCounter(BufferHandle /*bufferHandle*/, BufferHandle /*sourceBufferHandle*/) override {}
 
    virtual void getBufferCounter(BufferHandle /*bufferHandle*/, BufferHandle /*destinationBufferHandle*/) override {}
    virtual uint32_t getBufferCounter(BufferHandle /*bufferHandle*/) override { return 0; }
 
    virtual void draw(PrimitiveType /*primitiveType*/, const size_t /*startVertex*/, const size_t /*numVertexes*/) override {}
    virtual void drawIndexed(PrimitiveType /*primitiveType*/, const size_t /*startIndex*/, const size_t /*numIndexes*/, const size_t /*startVertex*/ = 0) override {}
    virtual void drawInstanced(PrimitiveType /*primitiveType*/, const size_t /*startVertex*/, const size_t /*numVertexes*/, const size_t /*startInstance*/, const size_t /*numInstances*/) override {}
    virtual void drawInstancedIndexed(PrimitiveType /*primitiveType*/, const size_t /*startInstance*/, const size_t /*numInstances*/, const size_t /*startIndex*/, const size_t /*numIndexes*/) override {}
 
    virtual void dispatchCompute(const unsigned int /*threadGroupsX*/, const unsigned int /*threadGroupsY*/, const unsigned int /*threadGroupsZ*/) override {}
 
    virtual void readDepthBuffer(BufferHandle /*bufferHandle*/, int /*x*/, int /*y*/, int /*width*/, int /*height*/, Framebuffer /*framebuffer*/) override {}
    virtual void readColorBuffer(BufferHandle /*bufferHandle*/, int /*x*/, int /*y*/, int /*width*/, int /*height*/, Framebuffer /*framebuffer*/) override {}
 
    virtual void*map(BufferHandle /*bufferHandle*/, MapMode::EMapMode /*mapMode*/, uint32_t* /*stride*/ = nullptr) override { return nullptr; }
    virtual void*map(TextureHandle /*textureHandle*/, MapMode::EMapMode /*accessMode*/, uint32_t* /*rowPitch*/, uint32_t* /*depthPitch*/) override { return nullptr; }
    virtual void unmap(BufferHandle /*bufferHandle*/) override {}
    virtual void unmap(TextureHandle /*textureHandle*/) override {}
    virtual void updateBuffer(BufferHandle /*bufferHandle*/, const void* /*data*/, const size_t /*size*/) override {}
 
    virtual void updateSubTexture(TextureHandle /*textureHandle*/, const size_t /*level*/, const void* /*data*/) override {}
    virtual void updateSubBuffer(BufferHandle /*bufferHandle*/, const size_t /*offset*/, const size_t /*size*/, const void* /*data*/) override {}
 
    virtual void resolveResource(TextureHandle /*source*/, TextureHandle /*destination*/) override {}
    virtual void copyResource(BufferHandle /*destinationHandle*/, BufferHandle /*sourceHandle*/) override {}
    virtual void copyResource(TextureHandle /*destinationHandle*/, TextureHandle /*sourceHandle*/) override {}
    virtual void copyTexture(TextureHandle /*dstHandle*/, unsigned /*dstSub*/, unsigned /*dstX*/, unsigned /*dstY*/, unsigned /*dstZ*/, TextureHandle /*sourceHandle*/, unsigned /*srcSub*/) override {}
 
    virtual void clearResource(BufferHandle /*destinationHandle*/, uint32_t* /*values*/) override {}
    virtual void clearResource(BufferHandle /*destinationHandle*/, float* /*values*/) override {}
 
    FrameStatistics frame_statistics{};
    UploadStatistics upload_statistics{};
  };
}