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/*
* GLX Hardware Device Driver for Intel i810
* Copyright (C) 1999 Keith Whitwell
*
* 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
* KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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.
*
*/
#ifndef I810CONTEXT_INC
#define I810CONTEXT_INC
typedef struct i810_context_t i810Context;
typedef struct i810_context_t *i810ContextPtr;
#include <X11/Xlibint.h>
#include "dri_tmm.h"
#include "dri_mesaint.h"
#include "dri_mesa.h"
#include "xmesaP.h"
#include "types.h"
#include "i810_init.h"
#include "i810_sarea.h"
#include "i810tex.h"
#include "i810vb.h"
#define I810_FALLBACK_TEXTURE 0x1
#define I810_FALLBACK_BUFFER 0x2
/* for i810ctx.new_state - manage GL->driver state changes
*/
#define I810_NEW_TEXTURE 0x1
/* for i810ctx.dirty - manage driver->hw state changes, including
* lost contexts.
*/
#define I810_REQUIRE_QUIESCENT 0x1
#define I810_UPLOAD_TEX0IMAGE 0x2
#define I810_UPLOAD_TEX1IMAGE 0x4
#define I810_UPLOAD_CTX 0x8
#define I810_UPLOAD_BUFFERS 0x10
#define I810_REFRESH_RING 0x20
#define I810_EMIT_CLIPRECT 0x40
typedef void (*i810_interp_func)( GLfloat t,
GLfloat *result,
const GLfloat *in,
const GLfloat *out );
struct i810_context_t {
GLint refcount;
GLcontext *glCtx;
i810TextureObjectPtr CurrentTexObj[2];
struct i810_texture_object_t TexObjList;
struct i810_texture_object_t SwappedOut;
int TextureMode;
/* Hardware state
*/
GLuint Setup[I810_CTX_SETUP_SIZE];
GLuint BufferSetup[I810_DEST_SETUP_SIZE];
GLuint ClipSetup[I810_CLIP_SETUP_SIZE];
/* Support for CVA and the fast paths.
*/
GLuint setupdone;
GLuint setupindex;
GLuint renderindex;
GLuint using_fast_path;
i810_interp_func interp;
/* Shortcircuit some state changes.
*/
points_func PointsFunc;
line_func LineFunc;
triangle_func TriangleFunc;
quad_func QuadFunc;
/* Manage our own state */
GLuint new_state;
/* Manage hardware state */
GLuint dirty;
memHeap_t *texHeap;
/* One of the few bits of hardware state that can't be calculated
* completely on the fly:
*/
GLuint LcsCullMode;
/* Funny mesa mirrors
*/
GLushort MonoColor;
GLushort ClearColor;
/* DRI stuff
*/
GLframebuffer *glBuffer;
GLuint Fallback;
GLuint needClip;
/* These refer to the current draw (front vs. back) buffer:
*/
int drawOffset; /* draw buffer address in agp space */
int drawX; /* origin of drawable in draw buffer */
int drawY;
GLuint numClipRects; /* cliprects for that buffer */
XF86DRIClipRectPtr pClipRects;
int lastSwap;
int texAge;
XF86DRIClipRectRec draw_rect;
drmContext hHWContext;
drmLock *driHwLock;
int driFd;
Display *display;
__DRIdrawablePrivate *driDrawable;
__DRIscreenPrivate *driScreen;
i810ScreenPrivate *i810Screen;
I810SAREAPriv *sarea;
};
/* To remove all debugging, make sure I810_DEBUG is defined as a
* preprocessor symbol, and equal to zero.
*/
#define I810_DEBUG 0
#ifndef I810_DEBUG
/* #warning "Debugging enabled - expect reduced performance" */
extern int I810_DEBUG;
#endif
#define DEBUG_VERBOSE_2D 0x1
#define DEBUG_VERBOSE_RING 0x8
#define DEBUG_VERBOSE_OUTREG 0x10
#define DEBUG_ALWAYS_SYNC 0x40
#define DEBUG_VERBOSE_MSG 0x80
#define DEBUG_NO_OUTRING 0x100
#define DEBUG_NO_OUTREG 0x200
#define DEBUG_VERBOSE_API 0x400
#define DEBUG_VALIDATE_RING 0x800
#define DEBUG_VERBOSE_LRU 0x1000
#define DEBUG_VERBOSE_DRI 0x2000
extern GLuint i810DDRegisterPipelineStages( struct gl_pipeline_stage *out,
const struct gl_pipeline_stage *in,
GLuint nr );
extern GLboolean i810DDBuildPrecalcPipeline( GLcontext *ctx );
#endif
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