diff options
| author | Jørgen P. Tjernø <[email protected]> | 2013-12-02 19:31:46 -0800 |
|---|---|---|
| committer | Jørgen P. Tjernø <[email protected]> | 2013-12-02 19:46:31 -0800 |
| commit | f56bb35301836e56582a575a75864392a0177875 (patch) | |
| tree | de61ddd39de3e7df52759711950b4c288592f0dc /mp/src/public/togl/linuxwin/cglmtex.h | |
| parent | Mark some more files as text. (diff) | |
| download | source-sdk-2013-f56bb35301836e56582a575a75864392a0177875.tar.xz source-sdk-2013-f56bb35301836e56582a575a75864392a0177875.zip | |
Fix line endings. WHAMMY.
Diffstat (limited to 'mp/src/public/togl/linuxwin/cglmtex.h')
| -rw-r--r-- | mp/src/public/togl/linuxwin/cglmtex.h | 1004 |
1 files changed, 502 insertions, 502 deletions
diff --git a/mp/src/public/togl/linuxwin/cglmtex.h b/mp/src/public/togl/linuxwin/cglmtex.h index bdb83776..cafdd1c7 100644 --- a/mp/src/public/togl/linuxwin/cglmtex.h +++ b/mp/src/public/togl/linuxwin/cglmtex.h @@ -1,502 +1,502 @@ -//========= Copyright Valve Corporation, All rights reserved. ============//
-//
-// cglmtex.h
-// GLMgr textures
-//
-//===============================================================================
-
-#ifndef CGLMTEX_H
-#define CGLMTEX_H
-
-#pragma once
-
-#ifdef OSX
-#include "glmgr/glmgrbasics.h"
-#endif
-#include "tier1/utlhash.h"
-#include "tier1/utlmap.h"
-
-//===============================================================================
-
-// forward declarations
-
-class GLMContext;
-class GLMTester;
-class CGLMTexLayoutTable;
-class CGLMTex;
-class CGLMFBO;
-
-struct IDirect3DSurface9;
-
-#if GLMDEBUG
-extern CGLMTex *g_pFirstCGMLTex;
-#endif
-
-// For GL_EXT_texture_sRGB_decode
-#ifndef GL_TEXTURE_SRGB_DECODE_EXT
-#define GL_TEXTURE_SRGB_DECODE_EXT 0x8A48
-#endif
-
-#ifndef GL_DECODE_EXT
-#define GL_DECODE_EXT 0x8A49
-#endif
-
-#ifndef GL_SKIP_DECODE_EXT
-#define GL_SKIP_DECODE_EXT 0x8A4A
-#endif
-
-//===============================================================================
-
-struct GLMTexFormatDesc
-{
- const char *m_formatSummary; // for debug visibility
-
- D3DFORMAT m_d3dFormat; // what D3D knows it as; see public/bitmap/imageformat.h
-
- GLenum m_glIntFormat; // GL internal format
- GLenum m_glIntFormatSRGB; // internal format if SRGB flavor
- GLenum m_glDataFormat; // GL data format
- GLenum m_glDataType; // GL data type
-
- int m_chunkSize; // 1 or 4 - 4 is used for compressed textures
- int m_bytesPerSquareChunk; // how many bytes for the smallest quantum (m_chunkSize x m_chunkSize)
- // this description lets us calculate size cleanly without conditional logic for compression
-};
-const GLMTexFormatDesc *GetFormatDesc( D3DFORMAT format );
-
-//===============================================================================
-
-// utility function for generating slabs of texels. mostly for test.
-typedef struct
-{
- // in
- D3DFORMAT m_format;
- void *m_dest; // dest address
- int m_chunkCount; // square chunk count (single texels or compressed blocks)
- int m_byteCountLimit; // caller expectation of max number of bytes to write out
- float r,g,b,a; // color desired
-
- // out
- int m_bytesWritten;
-} GLMGenTexelParams;
-
-// return true if successful
-bool GLMGenTexels( GLMGenTexelParams *params );
-
-
-//===============================================================================
-
-struct GLMTexLayoutSlice
-{
- int m_xSize,m_ySize,m_zSize; //texel dimensions of this slice
- int m_storageOffset; //where in the storage slab does this slice live
- int m_storageSize; //how much storage does this slice occupy
-};
-
-enum EGLMTexFlags
-{
- kGLMTexMipped = 0x01,
- kGLMTexMippedAuto = 0x02,
- kGLMTexRenderable = 0x04,
- kGLMTexIsStencil = 0x08,
- kGLMTexIsDepth = 0x10,
- kGLMTexSRGB = 0x20,
- kGLMTexMultisampled = 0x40, // has an RBO backing it. Cannot combine with Mipped, MippedAuto. One slice maximum, only targeting GL_TEXTURE_2D.
- // actually not 100% positive on the mipmapping, the RBO itself can't be mipped, but the resulting texture could
- // have mipmaps generated.
-};
-
-//===============================================================================
-
-struct GLMTexLayoutKey
-{
- // input values: held const, these are the hash key for the form map
- GLenum m_texGLTarget; // flavor of texture: GL_TEXTURE_2D, GL_TEXTURE_3D, GLTEXTURE_CUBE_MAP
- D3DFORMAT m_texFormat; // D3D texel format
- unsigned long m_texFlags; // mipped, autogen mips, render target, ... ?
- unsigned long m_texSamples; // zero for a plain tex, 2/4/6/8 for "MSAA tex" (RBO backed)
- int m_xSize,m_ySize,m_zSize; // size of base mip
-};
-
-bool LessFunc_GLMTexLayoutKey( const GLMTexLayoutKey &a, const GLMTexLayoutKey &b );
-
-#define GLM_TEX_MAX_MIPS 14
-#define GLM_TEX_MAX_FACES 6
-#define GLM_TEX_MAX_SLICES (GLM_TEX_MAX_MIPS * GLM_TEX_MAX_FACES)
-
-#pragma warning( push )
-#pragma warning( disable : 4200 )
-
-struct GLMTexLayout
-{
- char *m_layoutSummary; // for debug visibility
-
- // const inputs used for hashing
- GLMTexLayoutKey m_key;
-
- // refcount
- int m_refCount;
-
- // derived values:
- GLMTexFormatDesc *m_format; // format specific info
- int m_mipCount; // derived by starying at base size and working down towards 1x1
- int m_faceCount; // 1 for 2d/3d, 6 for cubemap
- int m_sliceCount; // product of faces and mips
- int m_storageTotalSize; // size of storage slab required
-
- // slice array
- GLMTexLayoutSlice m_slices[0]; // dynamically allocated 2-d array [faces][mips]
-};
-
-#pragma warning( pop )
-
-class CGLMTexLayoutTable
-{
-public:
- CGLMTexLayoutTable();
-
- GLMTexLayout *NewLayoutRef( GLMTexLayoutKey *pDesiredKey ); // pass in a pointer to layout key - receive ptr to completed layout
- void DelLayoutRef( GLMTexLayout *layout ); // pass in pointer to completed layout. refcount is dropped.
-
- void DumpStats( void );
-protected:
- CUtlMap< GLMTexLayoutKey, GLMTexLayout* > m_layoutMap;
-};
-
-//===============================================================================
-
-// a sampler specifies desired state for drawing on a given sampler index
-// this is the combination of a texture choice and a set of sampler parameters
-// see http://msdn.microsoft.com/en-us/library/bb172602(VS.85).aspx
-
-struct GLMTexLockParams
-{
- // input params which identify the slice of interest
- CGLMTex *m_tex;
- int m_face;
- int m_mip;
-
- // identifies the region of the slice
- GLMRegion m_region;
-
- // tells GLM to force re-read of the texels back from GL
- // i.e. "I know I stepped on those texels with a draw or blit - the GLM copy is stale"
- bool m_readback;
-};
-
-struct GLMTexLockDesc
-{
- GLMTexLockParams m_req; // form of the lock request
-
- bool m_active; // set true at lock time. cleared at unlock time.
-
- int m_sliceIndex; // which slice in the layout
- int m_sliceBaseOffset; // where is that in the texture data
- int m_sliceRegionOffset; // offset to the start (lowest address corner) of the region requested
-};
-
-//===============================================================================
-
-#define GLM_SAMPLER_COUNT 16
-
-typedef CBitVec<GLM_SAMPLER_COUNT> CTexBindMask;
-
-enum EGLMTexSliceFlag
-{
- kSliceValid = 0x01, // slice has been teximage'd in whole at least once - set to 0 initially
- kSliceStorageValid = 0x02, // if backing store is available, this slice's data is a valid copy - set to 0 initially
- kSliceLocked = 0x04, // are one or more locks outstanding on this slice
- kSliceFullyDirty = 0x08, // does the slice need to be fully downloaded at unlock time (disregard dirty rects)
-};
-
-//===============================================================================
-
-#define GLM_PACKED_SAMPLER_PARAMS_ADDRESS_BITS (2)
-#define GLM_PACKED_SAMPLER_PARAMS_MIN_FILTER_BITS (2)
-#define GLM_PACKED_SAMPLER_PARAMS_MAG_FILTER_BITS (2)
-#define GLM_PACKED_SAMPLER_PARAMS_MIP_FILTER_BITS (2)
-#define GLM_PACKED_SAMPLER_PARAMS_MIN_LOD_BITS (4)
-#define GLM_PACKED_SAMPLER_PARAMS_MAX_ANISO_BITS (5)
-#define GLM_PACKED_SAMPLER_PARAMS_COMPARE_MODE_BITS (1)
-#define GLM_PACKED_SAMPLER_PARAMS_SRGB_BITS (1)
-
-struct GLMTexPackedSamplingParams
-{
- uint32 m_addressU : GLM_PACKED_SAMPLER_PARAMS_ADDRESS_BITS;
- uint32 m_addressV : GLM_PACKED_SAMPLER_PARAMS_ADDRESS_BITS;
- uint32 m_addressW : GLM_PACKED_SAMPLER_PARAMS_ADDRESS_BITS;
-
- uint32 m_minFilter : GLM_PACKED_SAMPLER_PARAMS_MIN_FILTER_BITS;
- uint32 m_magFilter : GLM_PACKED_SAMPLER_PARAMS_MAG_FILTER_BITS;
- uint32 m_mipFilter : GLM_PACKED_SAMPLER_PARAMS_MIP_FILTER_BITS;
-
- uint32 m_minLOD : GLM_PACKED_SAMPLER_PARAMS_MIN_LOD_BITS;
- uint32 m_maxAniso : GLM_PACKED_SAMPLER_PARAMS_MAX_ANISO_BITS;
- uint32 m_compareMode : GLM_PACKED_SAMPLER_PARAMS_COMPARE_MODE_BITS;
- uint32 m_srgb : GLM_PACKED_SAMPLER_PARAMS_SRGB_BITS;
- uint32 m_isValid : 1;
-};
-
-struct GLMTexSamplingParams
-{
- union
- {
- GLMTexPackedSamplingParams m_packed;
- uint32 m_bits;
- };
-
- uint32 m_borderColor;
-
- FORCEINLINE bool operator== (const GLMTexSamplingParams& rhs ) const
- {
- return ( m_bits == rhs.m_bits ) && ( m_borderColor == rhs.m_borderColor );
- }
-
- FORCEINLINE void SetToDefaults()
- {
- m_bits = 0;
- m_borderColor = 0;
- m_packed.m_addressU = D3DTADDRESS_WRAP;
- m_packed.m_addressV = D3DTADDRESS_WRAP;
- m_packed.m_addressW = D3DTADDRESS_WRAP;
- m_packed.m_minFilter = D3DTEXF_POINT;
- m_packed.m_magFilter = D3DTEXF_POINT;
- m_packed.m_mipFilter = D3DTEXF_NONE;
- m_packed.m_maxAniso = 1;
- m_packed.m_isValid = true;
- }
-
- FORCEINLINE void SetToSamplerObject( GLuint nSamplerObject ) const
- {
- static const GLenum dxtogl_addressMode[] = { GL_REPEAT, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER, (GLenum)-1 };
- static const GLenum dxtogl_magFilter[4] = { GL_NEAREST, GL_NEAREST, GL_LINEAR, GL_LINEAR };
- static const GLenum dxtogl_minFilter[4][4] = // indexed by _D3DTEXTUREFILTERTYPE on both axes: [row is min filter][col is mip filter].
- {
- /* min = D3DTEXF_NONE */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 }, // D3DTEXF_NONE we just treat like POINT
- /* min = D3DTEXF_POINT */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 },
- /* min = D3DTEXF_LINEAR */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 },
- /* min = D3DTEXF_ANISOTROPIC */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 }, // no diff from prior row, set maxAniso to effect the sampling
- };
-
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_WRAP_S, dxtogl_addressMode[m_packed.m_addressU] );
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_WRAP_T, dxtogl_addressMode[m_packed.m_addressV] );
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_WRAP_R, dxtogl_addressMode[m_packed.m_addressW] );
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_MIN_FILTER, dxtogl_minFilter[m_packed.m_minFilter][m_packed.m_mipFilter] );
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_MAG_FILTER, dxtogl_magFilter[m_packed.m_magFilter] );
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_MAX_ANISOTROPY_EXT, m_packed.m_maxAniso );
-
- float flBorderColor[4] = { 0, 0, 0, 0 };
- if ( m_borderColor )
- {
- flBorderColor[0] = ((m_borderColor >> 16) & 0xFF) * (1.0f/255.0f); //R
- flBorderColor[1] = ((m_borderColor >> 8) & 0xFF) * (1.0f/255.0f); //G
- flBorderColor[2] = ((m_borderColor ) & 0xFF) * (1.0f/255.0f); //B
- flBorderColor[3] = ((m_borderColor >> 24) & 0xFF) * (1.0f/255.0f); //A
- }
- gGL->glSamplerParameterfv( nSamplerObject, GL_TEXTURE_BORDER_COLOR, flBorderColor ); // <-- this crashes ATI's driver, remark it out
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_MIN_LOD, m_packed.m_minLOD );
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_COMPARE_MODE_ARB, m_packed.m_compareMode ? GL_COMPARE_R_TO_TEXTURE_ARB : GL_NONE );
- if ( m_packed.m_compareMode )
- {
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL );
- }
- if ( gGL->m_bHave_GL_EXT_texture_sRGB_decode )
- {
- gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_SRGB_DECODE_EXT, m_packed.m_srgb ? GL_DECODE_EXT : GL_SKIP_DECODE_EXT );
- }
- }
-
- inline void DeltaSetToTarget( GLenum target, const GLMTexSamplingParams &curState )
- {
- static const GLenum dxtogl_addressMode[] = { GL_REPEAT, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER, (GLenum)-1 };
- static const GLenum dxtogl_magFilter[4] = { GL_NEAREST, GL_NEAREST, GL_LINEAR, GL_LINEAR };
- static const GLenum dxtogl_minFilter[4][4] = // indexed by _D3DTEXTUREFILTERTYPE on both axes: [row is min filter][col is mip filter].
- {
- /* min = D3DTEXF_NONE */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 }, // D3DTEXF_NONE we just treat like POINT
- /* min = D3DTEXF_POINT */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 },
- /* min = D3DTEXF_LINEAR */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 },
- /* min = D3DTEXF_ANISOTROPIC */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 }, // no diff from prior row, set maxAniso to effect the sampling
- };
-
- if ( m_packed.m_addressU != curState.m_packed.m_addressU )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_WRAP_S, dxtogl_addressMode[m_packed.m_addressU] );
- }
-
- if ( m_packed.m_addressV != curState.m_packed.m_addressV )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_WRAP_T, dxtogl_addressMode[m_packed.m_addressV] );
- }
-
- if ( m_packed.m_addressW != curState.m_packed.m_addressW )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_WRAP_R, dxtogl_addressMode[m_packed.m_addressW] );
- }
-
- if ( ( m_packed.m_minFilter != curState.m_packed.m_minFilter ) ||
- ( m_packed.m_magFilter != curState.m_packed.m_magFilter ) ||
- ( m_packed.m_mipFilter != curState.m_packed.m_mipFilter ) ||
- ( m_packed.m_maxAniso != curState.m_packed.m_maxAniso ) )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_MIN_FILTER, dxtogl_minFilter[m_packed.m_minFilter][m_packed.m_mipFilter] );
- gGL->glTexParameteri( target, GL_TEXTURE_MAG_FILTER, dxtogl_magFilter[m_packed.m_magFilter] );
- gGL->glTexParameteri( target, GL_TEXTURE_MAX_ANISOTROPY_EXT, m_packed.m_maxAniso );
- }
-
- if ( m_borderColor != curState.m_borderColor )
- {
- float flBorderColor[4] = { 0, 0, 0, 0 };
- if ( m_borderColor )
- {
- flBorderColor[0] = ((m_borderColor >> 16) & 0xFF) * (1.0f/255.0f); //R
- flBorderColor[1] = ((m_borderColor >> 8) & 0xFF) * (1.0f/255.0f); //G
- flBorderColor[2] = ((m_borderColor ) & 0xFF) * (1.0f/255.0f); //B
- flBorderColor[3] = ((m_borderColor >> 24) & 0xFF) * (1.0f/255.0f); //A
- }
-
- gGL->glTexParameterfv( target, GL_TEXTURE_BORDER_COLOR, flBorderColor ); // <-- this crashes ATI's driver, remark it out
- }
-
- if ( m_packed.m_minLOD != curState.m_packed.m_minLOD )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_MIN_LOD, m_packed.m_minLOD );
- }
-
- if ( m_packed.m_compareMode != curState.m_packed.m_compareMode )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_COMPARE_MODE_ARB, m_packed.m_compareMode ? GL_COMPARE_R_TO_TEXTURE_ARB : GL_NONE );
- if ( m_packed.m_compareMode )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL );
- }
- }
-
- if ( ( gGL->m_bHave_GL_EXT_texture_sRGB_decode ) && ( m_packed.m_srgb != curState.m_packed.m_srgb ) )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_SRGB_DECODE_EXT, m_packed.m_srgb ? GL_DECODE_EXT : GL_SKIP_DECODE_EXT );
- }
- }
-
- inline void SetToTargetTexture( GLenum target )
- {
- static const GLenum dxtogl_addressMode[] = { GL_REPEAT, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER, (GLenum)-1 };
- static const GLenum dxtogl_magFilter[4] = { GL_NEAREST, GL_NEAREST, GL_LINEAR, GL_LINEAR };
- static const GLenum dxtogl_minFilter[4][4] = // indexed by _D3DTEXTUREFILTERTYPE on both axes: [row is min filter][col is mip filter].
- {
- /* min = D3DTEXF_NONE */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 }, // D3DTEXF_NONE we just treat like POINT
- /* min = D3DTEXF_POINT */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 },
- /* min = D3DTEXF_LINEAR */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 },
- /* min = D3DTEXF_ANISOTROPIC */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 }, // no diff from prior row, set maxAniso to effect the sampling
- };
-
- gGL->glTexParameteri( target, GL_TEXTURE_WRAP_S, dxtogl_addressMode[m_packed.m_addressU] );
- gGL->glTexParameteri( target, GL_TEXTURE_WRAP_T, dxtogl_addressMode[m_packed.m_addressV] );
- gGL->glTexParameteri( target, GL_TEXTURE_WRAP_R, dxtogl_addressMode[m_packed.m_addressW] );
- gGL->glTexParameteri( target, GL_TEXTURE_MIN_FILTER, dxtogl_minFilter[m_packed.m_minFilter][m_packed.m_mipFilter] );
- gGL->glTexParameteri( target, GL_TEXTURE_MAG_FILTER, dxtogl_magFilter[m_packed.m_magFilter] );
- gGL->glTexParameteri( target, GL_TEXTURE_MAX_ANISOTROPY_EXT, m_packed.m_maxAniso );
-
- float flBorderColor[4] = { 0, 0, 0, 0 };
- if ( m_borderColor )
- {
- flBorderColor[0] = ((m_borderColor >> 16) & 0xFF) * (1.0f/255.0f); //R
- flBorderColor[1] = ((m_borderColor >> 8) & 0xFF) * (1.0f/255.0f); //G
- flBorderColor[2] = ((m_borderColor ) & 0xFF) * (1.0f/255.0f); //B
- flBorderColor[3] = ((m_borderColor >> 24) & 0xFF) * (1.0f/255.0f); //A
- }
- gGL->glTexParameterfv( target, GL_TEXTURE_BORDER_COLOR, flBorderColor ); // <-- this crashes ATI's driver, remark it out
- gGL->glTexParameteri( target, GL_TEXTURE_MIN_LOD, m_packed.m_minLOD );
- gGL->glTexParameteri( target, GL_TEXTURE_COMPARE_MODE_ARB, m_packed.m_compareMode ? GL_COMPARE_R_TO_TEXTURE_ARB : GL_NONE );
- if ( m_packed.m_compareMode )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL );
- }
- if ( gGL->m_bHave_GL_EXT_texture_sRGB_decode )
- {
- gGL->glTexParameteri( target, GL_TEXTURE_SRGB_DECODE_EXT, m_packed.m_srgb ? GL_DECODE_EXT : GL_SKIP_DECODE_EXT );
- }
- }
-};
-
-//===============================================================================
-
-class CGLMTex
-{
-
-public:
-
- void Lock( GLMTexLockParams *params, char** addressOut, int* yStrideOut, int *zStrideOut );
- void Unlock( GLMTexLockParams *params );
-
-protected:
- friend class GLMContext; // only GLMContext can make CGLMTex objects
- friend class GLMTester;
- friend class CGLMFBO;
-
- friend struct IDirect3DDevice9;
- friend struct IDirect3DBaseTexture9;
- friend struct IDirect3DTexture9;
- friend struct IDirect3DSurface9;
- friend struct IDirect3DCubeTexture9;
- friend struct IDirect3DVolumeTexture9;
-
- CGLMTex( GLMContext *ctx, GLMTexLayout *layout, const char *debugLabel = NULL );
- ~CGLMTex( );
-
- int CalcSliceIndex( int face, int mip );
- void CalcTexelDataOffsetAndStrides( int sliceIndex, int x, int y, int z, int *offsetOut, int *yStrideOut, int *zStrideOut );
-
- void ReadTexels( GLMTexLockDesc *desc, bool readWholeSlice=true );
- void WriteTexels( GLMTexLockDesc *desc, bool writeWholeSlice=true, bool noDataWrite=false );
- // last param lets us send NULL data ptr (only legal with uncompressed formats, beware)
- // this helps out ResetSRGB.
-
- bool IsRBODirty() const;
- void ForceRBONonDirty();
- void ForceRBODirty();
-
- void AllocBacking();
- void ReleaseBacking();
-
- // re-specify texture format to match desired sRGB form
- // noWrite means send NULL for texel source addresses instead of actual data - ideal for RT's
-
- GLuint m_texName; // name of this texture in the context
- GLenum m_texGLTarget;
- uint m_nSamplerType; // SAMPLER_2D, etc.
- GLMTexSamplingParams m_SamplingParams;
- GLMTexLayout *m_layout; // layout of texture (shared across all tex with same layout)
-
- uint m_nLastResolvedBatchCounter;
-
- int m_minActiveMip;//index of lowest mip that has been written. used to drive setting of GL_TEXTURE_MAX_LEVEL.
- int m_maxActiveMip;//index of highest mip that has been written. used to drive setting of GL_TEXTURE_MAX_LEVEL.
- int m_mipCount;
-
- GLMContext *m_ctx; // link back to parent context
-
- CGLMFBO *m_pBlitSrcFBO;
- CGLMFBO *m_pBlitDstFBO;
-
- GLuint m_rboName; // name of MSAA RBO backing the tex if MSAA enabled (or zero)
-
- int m_rtAttachCount; // how many RT's have this texture attached somewhere
-
- char *m_pBacking; // backing storage if available
-
- int m_lockCount; // lock reqs are stored in the GLMContext for tracking
-
- CUtlVector<unsigned char> m_sliceFlags;
-
- char *m_debugLabel; // strdup() of debugLabel passed in, or NULL
-
- bool m_texClientStorage; // was CS selected for texture
- bool m_texPreloaded; // has it been kicked into VRAM with GLMContext::PreloadTex yet
-
-#if GLMDEBUG
- CGLMTex *m_pPrevTex;
- CGLMTex *m_pNextTex;
-#endif
-};
-
-#endif
+//========= Copyright Valve Corporation, All rights reserved. ============// +// +// cglmtex.h +// GLMgr textures +// +//=============================================================================== + +#ifndef CGLMTEX_H +#define CGLMTEX_H + +#pragma once + +#ifdef OSX +#include "glmgr/glmgrbasics.h" +#endif +#include "tier1/utlhash.h" +#include "tier1/utlmap.h" + +//=============================================================================== + +// forward declarations + +class GLMContext; +class GLMTester; +class CGLMTexLayoutTable; +class CGLMTex; +class CGLMFBO; + +struct IDirect3DSurface9; + +#if GLMDEBUG +extern CGLMTex *g_pFirstCGMLTex; +#endif + +// For GL_EXT_texture_sRGB_decode +#ifndef GL_TEXTURE_SRGB_DECODE_EXT +#define GL_TEXTURE_SRGB_DECODE_EXT 0x8A48 +#endif + +#ifndef GL_DECODE_EXT +#define GL_DECODE_EXT 0x8A49 +#endif + +#ifndef GL_SKIP_DECODE_EXT +#define GL_SKIP_DECODE_EXT 0x8A4A +#endif + +//=============================================================================== + +struct GLMTexFormatDesc +{ + const char *m_formatSummary; // for debug visibility + + D3DFORMAT m_d3dFormat; // what D3D knows it as; see public/bitmap/imageformat.h + + GLenum m_glIntFormat; // GL internal format + GLenum m_glIntFormatSRGB; // internal format if SRGB flavor + GLenum m_glDataFormat; // GL data format + GLenum m_glDataType; // GL data type + + int m_chunkSize; // 1 or 4 - 4 is used for compressed textures + int m_bytesPerSquareChunk; // how many bytes for the smallest quantum (m_chunkSize x m_chunkSize) + // this description lets us calculate size cleanly without conditional logic for compression +}; +const GLMTexFormatDesc *GetFormatDesc( D3DFORMAT format ); + +//=============================================================================== + +// utility function for generating slabs of texels. mostly for test. +typedef struct +{ + // in + D3DFORMAT m_format; + void *m_dest; // dest address + int m_chunkCount; // square chunk count (single texels or compressed blocks) + int m_byteCountLimit; // caller expectation of max number of bytes to write out + float r,g,b,a; // color desired + + // out + int m_bytesWritten; +} GLMGenTexelParams; + +// return true if successful +bool GLMGenTexels( GLMGenTexelParams *params ); + + +//=============================================================================== + +struct GLMTexLayoutSlice +{ + int m_xSize,m_ySize,m_zSize; //texel dimensions of this slice + int m_storageOffset; //where in the storage slab does this slice live + int m_storageSize; //how much storage does this slice occupy +}; + +enum EGLMTexFlags +{ + kGLMTexMipped = 0x01, + kGLMTexMippedAuto = 0x02, + kGLMTexRenderable = 0x04, + kGLMTexIsStencil = 0x08, + kGLMTexIsDepth = 0x10, + kGLMTexSRGB = 0x20, + kGLMTexMultisampled = 0x40, // has an RBO backing it. Cannot combine with Mipped, MippedAuto. One slice maximum, only targeting GL_TEXTURE_2D. + // actually not 100% positive on the mipmapping, the RBO itself can't be mipped, but the resulting texture could + // have mipmaps generated. +}; + +//=============================================================================== + +struct GLMTexLayoutKey +{ + // input values: held const, these are the hash key for the form map + GLenum m_texGLTarget; // flavor of texture: GL_TEXTURE_2D, GL_TEXTURE_3D, GLTEXTURE_CUBE_MAP + D3DFORMAT m_texFormat; // D3D texel format + unsigned long m_texFlags; // mipped, autogen mips, render target, ... ? + unsigned long m_texSamples; // zero for a plain tex, 2/4/6/8 for "MSAA tex" (RBO backed) + int m_xSize,m_ySize,m_zSize; // size of base mip +}; + +bool LessFunc_GLMTexLayoutKey( const GLMTexLayoutKey &a, const GLMTexLayoutKey &b ); + +#define GLM_TEX_MAX_MIPS 14 +#define GLM_TEX_MAX_FACES 6 +#define GLM_TEX_MAX_SLICES (GLM_TEX_MAX_MIPS * GLM_TEX_MAX_FACES) + +#pragma warning( push ) +#pragma warning( disable : 4200 ) + +struct GLMTexLayout +{ + char *m_layoutSummary; // for debug visibility + + // const inputs used for hashing + GLMTexLayoutKey m_key; + + // refcount + int m_refCount; + + // derived values: + GLMTexFormatDesc *m_format; // format specific info + int m_mipCount; // derived by starying at base size and working down towards 1x1 + int m_faceCount; // 1 for 2d/3d, 6 for cubemap + int m_sliceCount; // product of faces and mips + int m_storageTotalSize; // size of storage slab required + + // slice array + GLMTexLayoutSlice m_slices[0]; // dynamically allocated 2-d array [faces][mips] +}; + +#pragma warning( pop ) + +class CGLMTexLayoutTable +{ +public: + CGLMTexLayoutTable(); + + GLMTexLayout *NewLayoutRef( GLMTexLayoutKey *pDesiredKey ); // pass in a pointer to layout key - receive ptr to completed layout + void DelLayoutRef( GLMTexLayout *layout ); // pass in pointer to completed layout. refcount is dropped. + + void DumpStats( void ); +protected: + CUtlMap< GLMTexLayoutKey, GLMTexLayout* > m_layoutMap; +}; + +//=============================================================================== + +// a sampler specifies desired state for drawing on a given sampler index +// this is the combination of a texture choice and a set of sampler parameters +// see http://msdn.microsoft.com/en-us/library/bb172602(VS.85).aspx + +struct GLMTexLockParams +{ + // input params which identify the slice of interest + CGLMTex *m_tex; + int m_face; + int m_mip; + + // identifies the region of the slice + GLMRegion m_region; + + // tells GLM to force re-read of the texels back from GL + // i.e. "I know I stepped on those texels with a draw or blit - the GLM copy is stale" + bool m_readback; +}; + +struct GLMTexLockDesc +{ + GLMTexLockParams m_req; // form of the lock request + + bool m_active; // set true at lock time. cleared at unlock time. + + int m_sliceIndex; // which slice in the layout + int m_sliceBaseOffset; // where is that in the texture data + int m_sliceRegionOffset; // offset to the start (lowest address corner) of the region requested +}; + +//=============================================================================== + +#define GLM_SAMPLER_COUNT 16 + +typedef CBitVec<GLM_SAMPLER_COUNT> CTexBindMask; + +enum EGLMTexSliceFlag +{ + kSliceValid = 0x01, // slice has been teximage'd in whole at least once - set to 0 initially + kSliceStorageValid = 0x02, // if backing store is available, this slice's data is a valid copy - set to 0 initially + kSliceLocked = 0x04, // are one or more locks outstanding on this slice + kSliceFullyDirty = 0x08, // does the slice need to be fully downloaded at unlock time (disregard dirty rects) +}; + +//=============================================================================== + +#define GLM_PACKED_SAMPLER_PARAMS_ADDRESS_BITS (2) +#define GLM_PACKED_SAMPLER_PARAMS_MIN_FILTER_BITS (2) +#define GLM_PACKED_SAMPLER_PARAMS_MAG_FILTER_BITS (2) +#define GLM_PACKED_SAMPLER_PARAMS_MIP_FILTER_BITS (2) +#define GLM_PACKED_SAMPLER_PARAMS_MIN_LOD_BITS (4) +#define GLM_PACKED_SAMPLER_PARAMS_MAX_ANISO_BITS (5) +#define GLM_PACKED_SAMPLER_PARAMS_COMPARE_MODE_BITS (1) +#define GLM_PACKED_SAMPLER_PARAMS_SRGB_BITS (1) + +struct GLMTexPackedSamplingParams +{ + uint32 m_addressU : GLM_PACKED_SAMPLER_PARAMS_ADDRESS_BITS; + uint32 m_addressV : GLM_PACKED_SAMPLER_PARAMS_ADDRESS_BITS; + uint32 m_addressW : GLM_PACKED_SAMPLER_PARAMS_ADDRESS_BITS; + + uint32 m_minFilter : GLM_PACKED_SAMPLER_PARAMS_MIN_FILTER_BITS; + uint32 m_magFilter : GLM_PACKED_SAMPLER_PARAMS_MAG_FILTER_BITS; + uint32 m_mipFilter : GLM_PACKED_SAMPLER_PARAMS_MIP_FILTER_BITS; + + uint32 m_minLOD : GLM_PACKED_SAMPLER_PARAMS_MIN_LOD_BITS; + uint32 m_maxAniso : GLM_PACKED_SAMPLER_PARAMS_MAX_ANISO_BITS; + uint32 m_compareMode : GLM_PACKED_SAMPLER_PARAMS_COMPARE_MODE_BITS; + uint32 m_srgb : GLM_PACKED_SAMPLER_PARAMS_SRGB_BITS; + uint32 m_isValid : 1; +}; + +struct GLMTexSamplingParams +{ + union + { + GLMTexPackedSamplingParams m_packed; + uint32 m_bits; + }; + + uint32 m_borderColor; + + FORCEINLINE bool operator== (const GLMTexSamplingParams& rhs ) const + { + return ( m_bits == rhs.m_bits ) && ( m_borderColor == rhs.m_borderColor ); + } + + FORCEINLINE void SetToDefaults() + { + m_bits = 0; + m_borderColor = 0; + m_packed.m_addressU = D3DTADDRESS_WRAP; + m_packed.m_addressV = D3DTADDRESS_WRAP; + m_packed.m_addressW = D3DTADDRESS_WRAP; + m_packed.m_minFilter = D3DTEXF_POINT; + m_packed.m_magFilter = D3DTEXF_POINT; + m_packed.m_mipFilter = D3DTEXF_NONE; + m_packed.m_maxAniso = 1; + m_packed.m_isValid = true; + } + + FORCEINLINE void SetToSamplerObject( GLuint nSamplerObject ) const + { + static const GLenum dxtogl_addressMode[] = { GL_REPEAT, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER, (GLenum)-1 }; + static const GLenum dxtogl_magFilter[4] = { GL_NEAREST, GL_NEAREST, GL_LINEAR, GL_LINEAR }; + static const GLenum dxtogl_minFilter[4][4] = // indexed by _D3DTEXTUREFILTERTYPE on both axes: [row is min filter][col is mip filter]. + { + /* min = D3DTEXF_NONE */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 }, // D3DTEXF_NONE we just treat like POINT + /* min = D3DTEXF_POINT */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 }, + /* min = D3DTEXF_LINEAR */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 }, + /* min = D3DTEXF_ANISOTROPIC */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 }, // no diff from prior row, set maxAniso to effect the sampling + }; + + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_WRAP_S, dxtogl_addressMode[m_packed.m_addressU] ); + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_WRAP_T, dxtogl_addressMode[m_packed.m_addressV] ); + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_WRAP_R, dxtogl_addressMode[m_packed.m_addressW] ); + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_MIN_FILTER, dxtogl_minFilter[m_packed.m_minFilter][m_packed.m_mipFilter] ); + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_MAG_FILTER, dxtogl_magFilter[m_packed.m_magFilter] ); + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_MAX_ANISOTROPY_EXT, m_packed.m_maxAniso ); + + float flBorderColor[4] = { 0, 0, 0, 0 }; + if ( m_borderColor ) + { + flBorderColor[0] = ((m_borderColor >> 16) & 0xFF) * (1.0f/255.0f); //R + flBorderColor[1] = ((m_borderColor >> 8) & 0xFF) * (1.0f/255.0f); //G + flBorderColor[2] = ((m_borderColor ) & 0xFF) * (1.0f/255.0f); //B + flBorderColor[3] = ((m_borderColor >> 24) & 0xFF) * (1.0f/255.0f); //A + } + gGL->glSamplerParameterfv( nSamplerObject, GL_TEXTURE_BORDER_COLOR, flBorderColor ); // <-- this crashes ATI's driver, remark it out + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_MIN_LOD, m_packed.m_minLOD ); + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_COMPARE_MODE_ARB, m_packed.m_compareMode ? GL_COMPARE_R_TO_TEXTURE_ARB : GL_NONE ); + if ( m_packed.m_compareMode ) + { + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL ); + } + if ( gGL->m_bHave_GL_EXT_texture_sRGB_decode ) + { + gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_SRGB_DECODE_EXT, m_packed.m_srgb ? GL_DECODE_EXT : GL_SKIP_DECODE_EXT ); + } + } + + inline void DeltaSetToTarget( GLenum target, const GLMTexSamplingParams &curState ) + { + static const GLenum dxtogl_addressMode[] = { GL_REPEAT, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER, (GLenum)-1 }; + static const GLenum dxtogl_magFilter[4] = { GL_NEAREST, GL_NEAREST, GL_LINEAR, GL_LINEAR }; + static const GLenum dxtogl_minFilter[4][4] = // indexed by _D3DTEXTUREFILTERTYPE on both axes: [row is min filter][col is mip filter]. + { + /* min = D3DTEXF_NONE */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 }, // D3DTEXF_NONE we just treat like POINT + /* min = D3DTEXF_POINT */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 }, + /* min = D3DTEXF_LINEAR */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 }, + /* min = D3DTEXF_ANISOTROPIC */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 }, // no diff from prior row, set maxAniso to effect the sampling + }; + + if ( m_packed.m_addressU != curState.m_packed.m_addressU ) + { + gGL->glTexParameteri( target, GL_TEXTURE_WRAP_S, dxtogl_addressMode[m_packed.m_addressU] ); + } + + if ( m_packed.m_addressV != curState.m_packed.m_addressV ) + { + gGL->glTexParameteri( target, GL_TEXTURE_WRAP_T, dxtogl_addressMode[m_packed.m_addressV] ); + } + + if ( m_packed.m_addressW != curState.m_packed.m_addressW ) + { + gGL->glTexParameteri( target, GL_TEXTURE_WRAP_R, dxtogl_addressMode[m_packed.m_addressW] ); + } + + if ( ( m_packed.m_minFilter != curState.m_packed.m_minFilter ) || + ( m_packed.m_magFilter != curState.m_packed.m_magFilter ) || + ( m_packed.m_mipFilter != curState.m_packed.m_mipFilter ) || + ( m_packed.m_maxAniso != curState.m_packed.m_maxAniso ) ) + { + gGL->glTexParameteri( target, GL_TEXTURE_MIN_FILTER, dxtogl_minFilter[m_packed.m_minFilter][m_packed.m_mipFilter] ); + gGL->glTexParameteri( target, GL_TEXTURE_MAG_FILTER, dxtogl_magFilter[m_packed.m_magFilter] ); + gGL->glTexParameteri( target, GL_TEXTURE_MAX_ANISOTROPY_EXT, m_packed.m_maxAniso ); + } + + if ( m_borderColor != curState.m_borderColor ) + { + float flBorderColor[4] = { 0, 0, 0, 0 }; + if ( m_borderColor ) + { + flBorderColor[0] = ((m_borderColor >> 16) & 0xFF) * (1.0f/255.0f); //R + flBorderColor[1] = ((m_borderColor >> 8) & 0xFF) * (1.0f/255.0f); //G + flBorderColor[2] = ((m_borderColor ) & 0xFF) * (1.0f/255.0f); //B + flBorderColor[3] = ((m_borderColor >> 24) & 0xFF) * (1.0f/255.0f); //A + } + + gGL->glTexParameterfv( target, GL_TEXTURE_BORDER_COLOR, flBorderColor ); // <-- this crashes ATI's driver, remark it out + } + + if ( m_packed.m_minLOD != curState.m_packed.m_minLOD ) + { + gGL->glTexParameteri( target, GL_TEXTURE_MIN_LOD, m_packed.m_minLOD ); + } + + if ( m_packed.m_compareMode != curState.m_packed.m_compareMode ) + { + gGL->glTexParameteri( target, GL_TEXTURE_COMPARE_MODE_ARB, m_packed.m_compareMode ? GL_COMPARE_R_TO_TEXTURE_ARB : GL_NONE ); + if ( m_packed.m_compareMode ) + { + gGL->glTexParameteri( target, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL ); + } + } + + if ( ( gGL->m_bHave_GL_EXT_texture_sRGB_decode ) && ( m_packed.m_srgb != curState.m_packed.m_srgb ) ) + { + gGL->glTexParameteri( target, GL_TEXTURE_SRGB_DECODE_EXT, m_packed.m_srgb ? GL_DECODE_EXT : GL_SKIP_DECODE_EXT ); + } + } + + inline void SetToTargetTexture( GLenum target ) + { + static const GLenum dxtogl_addressMode[] = { GL_REPEAT, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER, (GLenum)-1 }; + static const GLenum dxtogl_magFilter[4] = { GL_NEAREST, GL_NEAREST, GL_LINEAR, GL_LINEAR }; + static const GLenum dxtogl_minFilter[4][4] = // indexed by _D3DTEXTUREFILTERTYPE on both axes: [row is min filter][col is mip filter]. + { + /* min = D3DTEXF_NONE */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 }, // D3DTEXF_NONE we just treat like POINT + /* min = D3DTEXF_POINT */ { GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, (GLenum)-1 }, + /* min = D3DTEXF_LINEAR */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 }, + /* min = D3DTEXF_ANISOTROPIC */ { GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR, (GLenum)-1 }, // no diff from prior row, set maxAniso to effect the sampling + }; + + gGL->glTexParameteri( target, GL_TEXTURE_WRAP_S, dxtogl_addressMode[m_packed.m_addressU] ); + gGL->glTexParameteri( target, GL_TEXTURE_WRAP_T, dxtogl_addressMode[m_packed.m_addressV] ); + gGL->glTexParameteri( target, GL_TEXTURE_WRAP_R, dxtogl_addressMode[m_packed.m_addressW] ); + gGL->glTexParameteri( target, GL_TEXTURE_MIN_FILTER, dxtogl_minFilter[m_packed.m_minFilter][m_packed.m_mipFilter] ); + gGL->glTexParameteri( target, GL_TEXTURE_MAG_FILTER, dxtogl_magFilter[m_packed.m_magFilter] ); + gGL->glTexParameteri( target, GL_TEXTURE_MAX_ANISOTROPY_EXT, m_packed.m_maxAniso ); + + float flBorderColor[4] = { 0, 0, 0, 0 }; + if ( m_borderColor ) + { + flBorderColor[0] = ((m_borderColor >> 16) & 0xFF) * (1.0f/255.0f); //R + flBorderColor[1] = ((m_borderColor >> 8) & 0xFF) * (1.0f/255.0f); //G + flBorderColor[2] = ((m_borderColor ) & 0xFF) * (1.0f/255.0f); //B + flBorderColor[3] = ((m_borderColor >> 24) & 0xFF) * (1.0f/255.0f); //A + } + gGL->glTexParameterfv( target, GL_TEXTURE_BORDER_COLOR, flBorderColor ); // <-- this crashes ATI's driver, remark it out + gGL->glTexParameteri( target, GL_TEXTURE_MIN_LOD, m_packed.m_minLOD ); + gGL->glTexParameteri( target, GL_TEXTURE_COMPARE_MODE_ARB, m_packed.m_compareMode ? GL_COMPARE_R_TO_TEXTURE_ARB : GL_NONE ); + if ( m_packed.m_compareMode ) + { + gGL->glTexParameteri( target, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL ); + } + if ( gGL->m_bHave_GL_EXT_texture_sRGB_decode ) + { + gGL->glTexParameteri( target, GL_TEXTURE_SRGB_DECODE_EXT, m_packed.m_srgb ? GL_DECODE_EXT : GL_SKIP_DECODE_EXT ); + } + } +}; + +//=============================================================================== + +class CGLMTex +{ + +public: + + void Lock( GLMTexLockParams *params, char** addressOut, int* yStrideOut, int *zStrideOut ); + void Unlock( GLMTexLockParams *params ); + +protected: + friend class GLMContext; // only GLMContext can make CGLMTex objects + friend class GLMTester; + friend class CGLMFBO; + + friend struct IDirect3DDevice9; + friend struct IDirect3DBaseTexture9; + friend struct IDirect3DTexture9; + friend struct IDirect3DSurface9; + friend struct IDirect3DCubeTexture9; + friend struct IDirect3DVolumeTexture9; + + CGLMTex( GLMContext *ctx, GLMTexLayout *layout, const char *debugLabel = NULL ); + ~CGLMTex( ); + + int CalcSliceIndex( int face, int mip ); + void CalcTexelDataOffsetAndStrides( int sliceIndex, int x, int y, int z, int *offsetOut, int *yStrideOut, int *zStrideOut ); + + void ReadTexels( GLMTexLockDesc *desc, bool readWholeSlice=true ); + void WriteTexels( GLMTexLockDesc *desc, bool writeWholeSlice=true, bool noDataWrite=false ); + // last param lets us send NULL data ptr (only legal with uncompressed formats, beware) + // this helps out ResetSRGB. + + bool IsRBODirty() const; + void ForceRBONonDirty(); + void ForceRBODirty(); + + void AllocBacking(); + void ReleaseBacking(); + + // re-specify texture format to match desired sRGB form + // noWrite means send NULL for texel source addresses instead of actual data - ideal for RT's + + GLuint m_texName; // name of this texture in the context + GLenum m_texGLTarget; + uint m_nSamplerType; // SAMPLER_2D, etc. + GLMTexSamplingParams m_SamplingParams; + GLMTexLayout *m_layout; // layout of texture (shared across all tex with same layout) + + uint m_nLastResolvedBatchCounter; + + int m_minActiveMip;//index of lowest mip that has been written. used to drive setting of GL_TEXTURE_MAX_LEVEL. + int m_maxActiveMip;//index of highest mip that has been written. used to drive setting of GL_TEXTURE_MAX_LEVEL. + int m_mipCount; + + GLMContext *m_ctx; // link back to parent context + + CGLMFBO *m_pBlitSrcFBO; + CGLMFBO *m_pBlitDstFBO; + + GLuint m_rboName; // name of MSAA RBO backing the tex if MSAA enabled (or zero) + + int m_rtAttachCount; // how many RT's have this texture attached somewhere + + char *m_pBacking; // backing storage if available + + int m_lockCount; // lock reqs are stored in the GLMContext for tracking + + CUtlVector<unsigned char> m_sliceFlags; + + char *m_debugLabel; // strdup() of debugLabel passed in, or NULL + + bool m_texClientStorage; // was CS selected for texture + bool m_texPreloaded; // has it been kicked into VRAM with GLMContext::PreloadTex yet + +#if GLMDEBUG + CGLMTex *m_pPrevTex; + CGLMTex *m_pNextTex; +#endif +}; + +#endif |