d4708
/
source-engine
mirror of https://github.com/nillerusr/source-engine.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
506 Commits
25 Branches
6 Tags
221 MiB
 
 
 
 
 
 
Tree: 79c3bc86bd
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '79c3bc86bd'
${ noResults }
source-engine/public/togles/linuxwin/cglmtex.h

551 lines
22 KiB
Raw Blame History

//========= Copyright Valve Corporation, All rights reserved. ============//
// TOGL CODE LICENSE
//
// Copyright 2011-2014 Valve Corporation
// All Rights Reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
// cglmtex.h
// GLMgr textures
//
//===============================================================================
#ifndef CGLMTEX_H
#define CGLMTEX_H
#pragma once
#ifdef OSX
#include "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.
kGLMTexDynamic = 0x80
};
//===============================================================================
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;
bool m_readonly;
};
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
#define GLM_MAX_PIXEL_TEX_SAMPLERS 16
#define GLM_MAX_VERTEX_TEX_SAMPLERS 0
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;
float m_lodBias;
FORCEINLINE bool operator== (const GLMTexSamplingParams& rhs ) const
{
return ( m_bits == rhs.m_bits ) && ( m_borderColor == rhs.m_borderColor ) && ( m_lodBias == rhs.m_lodBias );
}
FORCEINLINE void SetToDefaults()
{
m_bits = 0;
m_borderColor = 0;
m_lodBias = 0.0f;
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_compareMode = 0;
m_packed.m_isValid = true;
}
#ifndef OSX
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->glSamplerParameterfv( nSamplerObject, GL_TEXTURE_LOD_BIAS, &m_lodBias );
gGL->glSamplerParameteri( nSamplerObject, GL_TEXTURE_COMPARE_MODE_ARB, m_packed.m_compareMode ? GL_COMPARE_R_TO_TEXTURE_ARB : GL_NONE );
// gGL->glSamplerParameterf( nSamplerObject, GL_TEXTURE_LOD_BIAS, m_lodBias );
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 );
}
}
#endif // !OSX
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_lodBias != curState.m_lodBias )
{
// Could use TexParameterf instead, but we don't currently grab it. This works fine, too.
gGL->glTexParameterfv( target, GL_TEXTURE_LOD_BIAS, &m_lodBias );
}
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 SetToTarget( 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->glTexParameterfv( target, GL_TEXTURE_LOD_BIAS, &m_lodBias );
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 );
GLuint GetTexName() { return m_texName; }
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, uint levels, 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 );
GLubyte *ReadTexels( GLMTexLockDesc *desc, bool readWholeSlice=true, bool readOnly=false );
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.
#if defined( OSX )
void HandleSRGBMismatch( bool srgb, int &srgbFlipCount );
void ResetSRGB( bool srgb, bool noDataWrite );
// 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
#endif
bool IsRBODirty() const;
void ForceRBONonDirty();
void ForceRBODirty();
// 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
GLuint m_pbo;
GLubyte *m_mapped;
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.
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_backing; // 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
int m_srgbFlipCount;
#if GLMDEBUG
CGLMTex *m_pPrevTex;
CGLMTex *m_pNextTex;
#endif
};
#endif