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/* $XFree86: xc/lib/GL/mesa/src/drv/gamma/gamma_init.h,v 1.2 2000/02/23 04:46:43 martin Exp $ */
/**************************************************************************
Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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, sub license, 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 (including the
next paragraph) 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 NON-INFRINGEMENT.
IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
**************************************************************************/
/*
* Authors:
* Kevin E. Martin <kevin@precisioninsight.com>
*
*/
#ifndef _GAMMA_INIT_H_
#define _GAMMA_INIT_H_
#ifdef GLX_DIRECT_RENDERING
#include "dri_tmm.h"
#include "dri_mesaint.h"
#include "gamma_region.h"
#include "gamma_regs.h"
#include "gamma_macros.h"
#include "gamma_texture.h"
#include "xmesaP.h"
typedef struct {
int regionCount; /* Count of register regions */
gammaRegion *regions; /* Vector of mapped region info */
drmBufMapPtr bufs; /* Map of DMA buffers */
__DRIscreenPrivate *driScrnPriv; /* Back pointer to DRI screen */
} gammaScreenPrivate;
typedef union {
unsigned int i;
float f;
} dmaBufRec, *dmaBuf;
/* Flags for context */
#define GAMMA_FRONT_BUFFER 0x00000001
#define GAMMA_BACK_BUFFER 0x00000002
#define GAMMA_DEPTH_BUFFER 0x00000004
#define GAMMA_STENCIL_BUFFER 0x00000008
#define GAMMA_ACCUM_BUFFER 0x00000010
/* These are the minimum requirements and should probably be increased */
#define MAX_MODELVIEW_STACK 16
#define MAX_PROJECTION_STACK 2
#define MAX_TEXTURE_STACK 2
typedef struct {
drmContext hHWContext;
dmaBuf buf; /* DMA buffer for regular cmds */
int bufIndex;
int bufSize;
int bufCount;
dmaBuf WCbuf; /* DMA buffer for window changed cmds */
int WCbufIndex;
int WCbufSize;
int WCbufCount;
gammaScreenPrivate *gammaScrnPriv;
int x, y, w, h; /* Probably should be in drawable priv */
int FrameCount; /* Probably should be in drawable priv */
int NotClipped; /* Probably should be in drawable priv */
int WindowChanged; /* Probably should be in drawabl... */
int Flags;
int EnabledFlags;
int DepthSize;
int Begin;
float ClearColor[4];
float ClearDepth;
int MatrixMode;
int DepthMode;
float zNear, zFar;
int LBReadMode;
int FBReadMode;
int FBWindowBase;
int LBWindowBase;
int ColorDDAMode;
int GeometryMode;
int AlphaTestMode;
int AlphaBlendMode;
int AB_FBReadMode;
int AB_FBReadMode_Save;
int DeltaMode;
int Window; /* GID part probably should be in draw priv */
gammaTexObj *curTexObj;
gammaTexObj *curTexObj1D;
gammaTexObj *curTexObj2D;
int Texture1DEnabled;
int Texture2DEnabled;
driTMMPtr tmm;
float ModelView[16];
float Proj[16];
float ModelViewProj[16];
float Texture[16];
float ModelViewStack[(MAX_MODELVIEW_STACK-1)*16];
int ModelViewCount;
float ProjStack[(MAX_PROJECTION_STACK-1)*16];
int ProjCount;
float TextureStack[(MAX_TEXTURE_STACK-1)*16];
int TextureCount;
} gammaContextPrivate;
extern GLboolean gammaMapAllRegions(__DRIscreenPrivate *driScrnPriv);
extern void gammaUnmapAllRegions(__DRIscreenPrivate *driScrnPriv);
extern void gammaSetMatrix(GLfloat m[16]);
extern void gammaMultMatrix(GLfloat m[16]);
extern void gammaLoadHWMatrix(void);
extern void gammaInitHW(gammaContextPrivate *gcp);
extern float IdentityMatrix[16];
extern XMesaContext nullCC;
extern XMesaContext gCC;
extern gammaContextPrivate *gCCPriv;
#endif
#endif /* _GAMMA_INIT_H_ */
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