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Diffstat (limited to 'public/shaderapi/ishaderutil.h')
| -rw-r--r-- | public/shaderapi/ishaderutil.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/public/shaderapi/ishaderutil.h b/public/shaderapi/ishaderutil.h new file mode 100644 index 0000000..5fe0199 --- /dev/null +++ b/public/shaderapi/ishaderutil.h @@ -0,0 +1,131 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +// $NoKeywords: $ +// +//===========================================================================// + +#ifndef ISHADERUTIL_H +#define ISHADERUTIL_H + +#ifdef _WIN32 +#pragma once +#endif + + +#include "materialsystem/imaterial.h" +#include "appframework/IAppSystem.h" +#include "shaderapi/ishaderapi.h" + + +//----------------------------------------------------------------------------- +// forward declarations +//----------------------------------------------------------------------------- +class ITexture; +struct MaterialSystem_Config_t; +struct ImageFormatInfo_t; +enum Sampler_t; +enum VertexTextureSampler_t; +enum StandardTextureId_t; +class CPrimList; +struct ShaderColorCorrectionInfo_t; + +#define SHADER_UTIL_INTERFACE_VERSION "VShaderUtil001" + +enum shaderthreadevent_t +{ + SHADER_THREAD_RELEASE_RESOURCES = 1, + SHADER_THREAD_ACQUIRE_RESOURCES = 2, + SHADER_THREAD_DEVICE_LOST = 3, + SHADER_THREAD_EVICT_RESOURCES = 4, + SHADER_THREAD_OTHER_APP_START = 5, + SHADER_THREAD_OTHER_APP_END = 6, + SHADER_THREAD_RESET_RENDER_STATE = 7, +}; + +abstract_class IShaderUtil : public IAppSystem +{ +public: + // Method to allow clients access to the MaterialSystem_Config + virtual MaterialSystem_Config_t& GetConfig() = 0; + + // Allows us to convert image formats + virtual bool ConvertImageFormat( unsigned char *src, enum ImageFormat srcImageFormat, + unsigned char *dst, enum ImageFormat dstImageFormat, + int width, int height, int srcStride = 0, int dstStride = 0 ) = 0; + + // Figures out the amount of memory needed by a bitmap + virtual int GetMemRequired( int width, int height, int depth, ImageFormat format, bool mipmap ) = 0; + + // Gets image format info + virtual const ImageFormatInfo_t& ImageFormatInfo( ImageFormat fmt ) const = 0; + + // Bind standard textures + virtual void BindStandardTexture( Sampler_t sampler, StandardTextureId_t id ) = 0; + + // What are the lightmap dimensions? + virtual void GetLightmapDimensions( int *w, int *h ) = 0; + + // These methods are called when the shader must eject + restore HW memory + virtual void ReleaseShaderObjects() = 0; + virtual void RestoreShaderObjects( CreateInterfaceFn shaderFactory, int nChangeFlags = 0 ) = 0; + + // Used to prevent meshes from drawing. + virtual bool IsInStubMode() = 0; + virtual bool InFlashlightMode() const = 0; + + // For the shader API to shove the current version of aniso level into the + // "definitive" place (g_config) when the shader API decides to change it. + // Eventually, we should have a better system of who owns the definitive + // versions of config vars. + virtual void NoteAnisotropicLevel( int currentLevel ) = 0; + + // NOTE: Stuff after this is added after shipping HL2. + + // Are we rendering through the editor? + virtual bool InEditorMode() const = 0; + + // Gets the bound morph's vertex format; returns 0 if no morph is bound + virtual MorphFormat_t GetBoundMorphFormat() = 0; + + virtual ITexture *GetRenderTargetEx( int nRenderTargetID ) = 0; + + // Tells the material system to draw a buffer clearing quad + virtual void DrawClearBufferQuad( unsigned char r, unsigned char g, unsigned char b, unsigned char a, bool bClearColor, bool bClearAlpha, bool bClearDepth ) = 0; + +#if defined( _X360 ) + virtual void ReadBackBuffer( Rect_t *pSrcRect, Rect_t *pDstRect, unsigned char *pData, ImageFormat dstFormat, int nDstStride ) = 0; +#endif + + // Calls from meshes to material system to handle queing/threading + virtual bool OnDrawMesh( IMesh *pMesh, int firstIndex, int numIndices ) = 0; + virtual bool OnDrawMesh( IMesh *pMesh, CPrimList *pLists, int nLists ) = 0; + virtual bool OnSetFlexMesh( IMesh *pStaticMesh, IMesh *pMesh, int nVertexOffsetInBytes ) = 0; + virtual bool OnSetColorMesh( IMesh *pStaticMesh, IMesh *pMesh, int nVertexOffsetInBytes ) = 0; + virtual bool OnSetPrimitiveType( IMesh *pMesh, MaterialPrimitiveType_t type ) = 0; + virtual bool OnFlushBufferedPrimitives() = 0; + + + virtual void SyncMatrices() = 0; + virtual void SyncMatrix( MaterialMatrixMode_t ) = 0; + + virtual void BindStandardVertexTexture( VertexTextureSampler_t sampler, StandardTextureId_t id ) = 0; + virtual void GetStandardTextureDimensions( int *pWidth, int *pHeight, StandardTextureId_t id ) = 0; + + virtual int MaxHWMorphBatchCount() const = 0; + + // Interface for mat system to tell shaderapi about color correction + virtual void GetCurrentColorCorrection( ShaderColorCorrectionInfo_t* pInfo ) = 0; + // received an event while not in owning thread, handle this outside + virtual void OnThreadEvent( uint32 threadEvent ) = 0; + + virtual MaterialThreadMode_t GetThreadMode( ) = 0; + virtual bool IsRenderThreadSafe( ) = 0; + + // Remove any materials from memory that aren't in use as determined + // by the IMaterial's reference count. + virtual void UncacheUnusedMaterials( bool bRecomputeStateSnapshots = false ) = 0; +}; + +#endif // ISHADERUTIL_H |