-/* $Id: xmesaP.h,v 1.28 2002/05/27 17:06:59 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 4.0.2
+ * Version: 7.1
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 Brian Paul 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"),
#define XMESAP_H
-#ifdef XFree86Server
-# include "GL/xf86glx.h"
-# include "xf86glx_util.h"
-#else
-# ifdef USE_XSHM
-# include <X11/extensions/XShm.h>
-# endif
-#endif
#include "GL/xmesa.h"
#include "mtypes.h"
#if defined(FX)
#include "GL/fxmesa.h"
-#include "FX/fxdrv.h"
+#include "xm_glide.h"
+#endif
+#ifdef XFree86Server
+#include "xm_image.h"
#endif
extern _glthread_Mutex _xmesa_lock;
+extern XMesaBuffer XMesaBufferList;
/* for PF_8R8G8B24 pixel format */
typedef struct {
} bgr_t;
+struct xmesa_renderbuffer;
+
+
/* Function pointer for clearing color buffers */
-typedef void (*clear_func)( GLcontext *ctx,
- GLboolean all, GLint x, GLint y,
- GLint width, GLint height );
+typedef void (*ClearFunc)( GLcontext *ctx, struct xmesa_renderbuffer *xrb,
+ GLint x, GLint y, GLint width, GLint height );
+
+
+
+
+/** Framebuffer pixel formats */
+enum pixel_format {
+ PF_Index, /**< Color Index mode */
+ PF_Truecolor, /**< TrueColor or DirectColor, any depth */
+ PF_Dither_True, /**< TrueColor with dithering */
+ PF_8A8R8G8B, /**< 32-bit TrueColor: 8-A, 8-R, 8-G, 8-B bits */
+ PF_8A8B8G8R, /**< 32-bit TrueColor: 8-A, 8-B, 8-G, 8-R bits */
+ PF_8R8G8B, /**< 32-bit TrueColor: 8-R, 8-G, 8-B bits */
+ PF_8R8G8B24, /**< 24-bit TrueColor: 8-R, 8-G, 8-B bits */
+ PF_5R6G5B, /**< 16-bit TrueColor: 5-R, 6-G, 5-B bits */
+ PF_Dither, /**< Color-mapped RGB with dither */
+ PF_Lookup, /**< Color-mapped RGB without dither */
+ PF_HPCR, /**< HP Color Recovery (ad@lms.be 30/08/95) */
+ PF_1Bit, /**< monochrome dithering of RGB */
+ PF_Grayscale, /**< Grayscale or StaticGray */
+ PF_Dither_5R6G5B /**< 16-bit dithered TrueColor: 5-R, 6-G, 5-B */
+};
-/*
- * "Derived" from GLvisual. Basically corresponds to an XVisualInfo.
+/**
+ * Visual inforation, derived from GLvisual.
+ * Basically corresponds to an XVisualInfo.
*/
struct xmesa_visual {
GLvisual mesa_visual; /* Device independent visual parameters */
XMesaDisplay *display; /* The X11 display */
#ifdef XFree86Server
- GLint screen_depth; /* The depth of the screen */
+ GLint ColormapEntries;
+ GLint nplanes;
#else
- XVisualInfo *vishandle; /* The pointer returned by glXChooseVisual */
+ XMesaVisualInfo visinfo; /* X's visual info (pointer to private copy) */
+ XVisualInfo *vishandle; /* Only used in fakeglx.c */
#endif
- XMesaVisualInfo visinfo; /* X's visual info */
GLint BitsPerPixel; /* True bits per pixel for XImages */
- GLint level; /* 0=normal, 1=overlay, etc */
- GLint VisualCaveat; /* for GLX_EXT_visual_rating extension */
-
GLboolean ximage_flag; /* Use XImage for back buffer (not pixmap)? */
- GLuint dithered_pf; /* Pixel format when dithering */
- GLuint undithered_pf; /* Pixel format when not dithering */
+ enum pixel_format dithered_pf; /* Pixel format when dithering */
+ enum pixel_format undithered_pf;/* Pixel format when not dithering */
GLfloat RedGamma; /* Gamma values, 1.0 is default */
GLfloat GreenGamma;
GLfloat BlueGamma;
- GLint rmult, gmult, bmult; /* Range of color values */
- GLint index_bits; /* Bits per pixel in CI mode */
-
/* For PF_TRUECOLOR */
GLint rshift, gshift, bshift;/* Pixel color component shifts */
GLubyte Kernel[16]; /* Dither kernel */
};
-
-/*
- * "Derived" from __GLcontextRec. Basically corresponds to a GLXContext.
+/**
+ * Context info, dDerived from GLcontext.
+ * Basically corresponds to a GLXContext.
*/
struct xmesa_context {
- GLcontext *gl_ctx; /* the core library context */
+ GLcontext mesa; /* the core library context (containment) */
XMesaVisual xm_visual; /* Describes the buffers */
- XMesaBuffer xm_buffer; /* current draw framebuffer */
- XMesaBuffer xm_read_buffer; /* current read framebuffer */
- GLboolean use_read_buffer; /* read from the xm_read_buffer/ */
+ XMesaBuffer xm_buffer; /* current span/point/line/triangle buffer */
XMesaDisplay *display; /* == xm_visual->display */
GLboolean swapbytes; /* Host byte order != display byte order? */
GLboolean direct; /* Direct rendering context? */
- GLuint pixelformat; /* Current pixel format */
+ enum pixel_format pixelformat;
GLubyte clearcolor[4]; /* current clearing color */
unsigned long clearpixel; /* current clearing pixel value */
};
-
+/**
+ * Types of X/GLX drawables we might render into.
+ */
typedef enum {
WINDOW, /* An X window */
GLXWINDOW, /* GLX window */
} BufferType;
-/*
- * "Derived" from GLframebuffer. Basically corresponds to a GLXDrawable.
+/** Values for db_mode: */
+/*@{*/
+#define BACK_PIXMAP 1
+#define BACK_XIMAGE 2
+/*@}*/
+
+
+/**
+ * An xmesa_renderbuffer represents the back or front color buffer.
+ * For the front color buffer:
+ * <drawable> is the X window
+ * For the back color buffer:
+ * Either <ximage> or <pixmap> will be used, never both.
+ * In any case, <drawable> always equals <pixmap>.
+ * For stand-alone Mesa, we could merge <drawable> and <pixmap> into one
+ * field. We don't do that for the server-side GLcore module because
+ * pixmaps and drawables are different and we'd need a bunch of casts.
+ */
+struct xmesa_renderbuffer
+{
+ struct gl_renderbuffer Base; /* Base class */
+
+ XMesaBuffer Parent; /**< The XMesaBuffer this renderbuffer belongs to */
+ XMesaDrawable drawable; /* Usually the X window ID */
+ XMesaPixmap pixmap; /* Back color buffer */
+ XMesaImage *ximage; /* The back buffer, if not using a Pixmap */
+
+ GLubyte *origin1; /* used for PIXEL_ADDR1 macro */
+ GLint width1;
+ GLushort *origin2; /* used for PIXEL_ADDR2 macro */
+ GLint width2;
+ GLubyte *origin3; /* used for PIXEL_ADDR3 macro */
+ GLint width3;
+ GLuint *origin4; /* used for PIXEL_ADDR4 macro */
+ GLint width4;
+
+ GLint bottom; /* used for FLIP macro, equals height - 1 */
+
+ ClearFunc clearFunc;
+};
+
+
+/**
+ * Framebuffer information, derived from.
+ * Basically corresponds to a GLXDrawable.
*/
struct xmesa_buffer {
GLframebuffer mesa_buffer; /* depth, stencil, accum, etc buffers */
+ /* This MUST BE FIRST! */
GLboolean wasCurrent; /* was ever the current buffer? */
XMesaVisual xm_visual; /* the X/Mesa visual */
XMesaDisplay *display;
BufferType type; /* window, pixmap, pbuffer or glxwindow */
- XMesaDrawable frontbuffer; /* either a window or pixmap */
- XMesaPixmap backpixmap; /* back buffer Pixmap */
- XMesaImage *backimage; /* back buffer simulated XImage */
- XMesaDrawable buffer; /* the current buffer, either equal to */
- /* frontbuffer, backpixmap or XIMAGE (None) */
+ struct xmesa_renderbuffer *frontxrb; /* front color renderbuffer */
+ struct xmesa_renderbuffer *backxrb; /* back color renderbuffer */
XMesaColormap cmap; /* the X colormap */
- GLint db_state; /* 0 = single buffered */
+ unsigned long selectedEvents;/* for pbuffers only */
+
+ GLint db_mode; /* 0 = single buffered */
/* BACK_PIXMAP = use Pixmap for back buffer */
/* BACK_XIMAGE = use XImage for back buffer */
+ GLboolean swAlpha;
-#ifndef XFree86Server
GLuint shm; /* X Shared Memory extension status: */
/* 0 = not available */
/* 1 = XImage support available */
/* 2 = Pixmap support available too */
-#ifdef USE_XSHM
+#if defined(USE_XSHM) && !defined(XFree86Server)
XShmSegmentInfo shminfo;
-#endif
#endif
XMesaImage *rowimage; /* Used for optimized span writing */
-
- GLuint width, height; /* size of buffer */
-
- GLint bottom; /* used for FLIP macro below */
- GLubyte *ximage_origin1; /* used for PIXELADDR1 macro */
- GLint ximage_width1;
- GLushort *ximage_origin2; /* used for PIXELADDR2 macro */
- GLint ximage_width2;
- GLubyte *ximage_origin3; /* used for PIXELADDR3 macro */
- GLint ximage_width3;
- GLuint *ximage_origin4; /* used for PIXELADDR4 macro */
- GLint ximage_width4;
-
XMesaPixmap stipple_pixmap; /* For polygon stippling */
XMesaGC stipple_gc; /* For polygon stippling */
fxMesaContext FXctx;
#endif
- /* functions for clearing the front and back color buffers */
- clear_func front_clear_func;
- clear_func back_clear_func;
+ /* GLX_EXT_texture_from_pixmap */
+ GLint TextureTarget; /** GLX_TEXTURE_1D_EXT, for example */
+ GLint TextureFormat; /** GLX_TEXTURE_FORMAT_RGB_EXT, for example */
+ GLint TextureMipmap; /** 0 or 1 */
struct xmesa_buffer *Next; /* Linked list pointer: */
};
-
-/* Values for xmesa->dest: */
-#define FRONT_PIXMAP 1
-#define BACK_PIXMAP 2
-#define BACK_XIMAGE 4
-
-
-/* Values for xmesa->pixelformat: */
-#define PF_INDEX 1 /* Color Index mode */
-#define PF_TRUECOLOR 2 /* TrueColor or DirectColor, any depth */
-#define PF_TRUEDITHER 3 /* TrueColor with dithering */
-#define PF_8A8B8G8R 4 /* 32-bit TrueColor: 8-A, 8-B, 8-G, 8-R */
-#define PF_8R8G8B 5 /* 32-bit TrueColor: 8-R, 8-G, 8-B bits */
-#define PF_5R6G5B 6 /* 16-bit TrueColor: 5-R, 6-G, 5-B bits */
-#define PF_DITHER 7 /* Color-mapped RGB with dither */
-#define PF_LOOKUP 8 /* Color-mapped RGB without dither */
-#define PF_HPCR 9 /* HP Color Recovery (ad@lms.be 30/08/95) */
-#define PF_1BIT 10 /* monochrome dithering of RGB */
-#define PF_GRAYSCALE 11 /* Grayscale or StaticGray */
-#define PF_8R8G8B24 12 /* 24-bit TrueColor: 8-R, 8-G, 8-B bits */
-#define PF_DITHER_5R6G5B 13 /* 16-bit dithered TrueColor: 5-R, 6-G, 5-B */
-
-
-/*
+/**
* If pixelformat==PF_TRUECOLOR:
*/
#define PACK_TRUECOLOR( PIXEL, R, G, B ) \
| xmesa->xm_visual->BtoPixel[B]; \
-/*
+/**
* If pixelformat==PF_TRUEDITHER:
*/
#define PACK_TRUEDITHER( PIXEL, X, Y, R, G, B ) \
-/*
+/**
* If pixelformat==PF_8A8B8G8R:
*/
#define PACK_8A8B8G8R( R, G, B, A ) \
( ((A) << 24) | ((B) << 16) | ((G) << 8) | (R) )
-/*
+/**
* Like PACK_8A8B8G8R() but don't use alpha. This is usually an acceptable
* shortcut.
*/
-/*
+/**
* If pixelformat==PF_8R8G8B:
*/
#define PACK_8R8G8B( R, G, B) ( ((R) << 16) | ((G) << 8) | (B) )
-/*
+/**
* If pixelformat==PF_5R6G5B:
*/
#define PACK_5R6G5B( R, G, B) ( (((R) & 0xf8) << 8) | (((G) & 0xfc) << 3) | ((B) >> 3) )
+/**
+ * If pixelformat==PF_8A8R8G8B:
+ */
+#define PACK_8A8R8G8B( R, G, B, A ) \
+ ( ((A) << 24) | ((R) << 16) | ((G) << 8) | (B) )
-/*
+
+/**
* If pixelformat==PF_DITHER:
*
* Improved 8-bit RGB dithering code contributed by Bob Mercier
* (mercier@hollywood.cinenet.net). Thanks Bob!
*/
-#undef _R
-#undef _G
-#undef _B
-#undef _D
#ifdef DITHER666
-# define _R 6
-# define _G 6
-# define _B 6
-# define _MIX(r,g,b) (((r)*_G+(g))*_B+(b))
+# define DITH_R 6
+# define DITH_G 6
+# define DITH_B 6
+# define DITH_MIX(r,g,b) (((r) * DITH_G + (g)) * DITH_B + (b))
#else
-# define _R 5
-# define _G 9
-# define _B 5
-# define _MIX(r,g,b) ( ((g)<<6) | ((b)<<3) | (r) )
+# define DITH_R 5
+# define DITH_G 9
+# define DITH_B 5
+# define DITH_MIX(r,g,b) (((g) << 6) | ((b) << 3) | (r))
#endif
-#define _DX 4
-#define _DY 4
-#define _D (_DX*_DY)
+#define DITH_DX 4
+#define DITH_DY 4
+#define DITH_N (DITH_DX * DITH_DY)
-/*#define _DITH(C,c,d) (((unsigned)((_D*(C-1)+1)*c+d))/(_D*256))*/
-#define _DITH(C,c,d) (((unsigned)((_D*(C-1)+1)*c+d)) >> 12)
+#define _dither(C, c, d) (((unsigned)((DITH_N * (C - 1) + 1) * c + d)) >> 12)
#define MAXC 256
-static int kernel8[_DY*_DX] = {
- 0 * MAXC, 8 * MAXC, 2 * MAXC, 10 * MAXC,
- 12 * MAXC, 4 * MAXC, 14 * MAXC, 6 * MAXC,
- 3 * MAXC, 11 * MAXC, 1 * MAXC, 9 * MAXC,
- 15 * MAXC, 7 * MAXC, 13 * MAXC, 5 * MAXC,
-};
-/*static int __d;*/
+extern const int xmesa_kernel8[DITH_DY * DITH_DX];
/* Dither for random X,Y */
#define DITHER_SETUP \
int __d; \
- unsigned long *ctable = xmesa->xm_buffer->color_table;
+ unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table;
#define DITHER( X, Y, R, G, B ) \
- (__d = kernel8[(((Y)&3)<<2) | ((X)&3)], \
- ctable[_MIX(_DITH(_R, (R), __d), \
- _DITH(_G, (G), __d), \
- _DITH(_B, (B), __d))])
+ (__d = xmesa_kernel8[(((Y)&3)<<2) | ((X)&3)], \
+ ctable[DITH_MIX(_dither(DITH_R, (R), __d), \
+ _dither(DITH_G, (G), __d), \
+ _dither(DITH_B, (B), __d))])
/* Dither for random X, fixed Y */
#define XDITHER_SETUP(Y) \
int __d; \
- unsigned long *ctable = xmesa->xm_buffer->color_table; \
- int *kernel = &kernel8[ ((Y)&3) << 2 ];
+ unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table; \
+ const int *kernel = &xmesa_kernel8[ ((Y)&3) << 2 ];
#define XDITHER( X, R, G, B ) \
(__d = kernel[(X)&3], \
- ctable[_MIX(_DITH(_R, (R), __d), \
- _DITH(_G, (G), __d), \
- _DITH(_B, (B), __d))])
+ ctable[DITH_MIX(_dither(DITH_R, (R), __d), \
+ _dither(DITH_G, (G), __d), \
+ _dither(DITH_B, (B), __d))])
* Dithering for flat-shaded triangles. Precompute all 16 possible
* pixel values given the triangle's RGB color. Contributed by Martin Shenk.
*/
-static GLushort DitherValues[16]; /* array of (up to) 16-bit pixel values */
-
#define FLAT_DITHER_SETUP( R, G, B ) \
+ GLushort ditherValues[16]; \
{ \
- unsigned long *ctable = xmesa->xm_buffer->color_table; \
- int msdr = (_D*((_R)-1)+1) * (R); \
- int msdg = (_D*((_G)-1)+1) * (G); \
- int msdb = (_D*((_B)-1)+1) * (B); \
+ unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table; \
+ int msdr = (DITH_N*((DITH_R)-1)+1) * (R); \
+ int msdg = (DITH_N*((DITH_G)-1)+1) * (G); \
+ int msdb = (DITH_N*((DITH_B)-1)+1) * (B); \
int i; \
for (i=0;i<16;i++) { \
- int k = kernel8[i]; \
- int j = _MIX( (msdr+k)>>12, (msdg+k)>>12, (msdb+k)>>12 ); \
- DitherValues[i] = (GLushort) ctable[j]; \
+ int k = xmesa_kernel8[i]; \
+ int j = DITH_MIX( (msdr+k)>>12, (msdg+k)>>12, (msdb+k)>>12 );\
+ ditherValues[i] = (GLushort) ctable[j]; \
} \
}
#define FLAT_DITHER_ROW_SETUP(Y) \
- GLushort *ditherRow = DitherValues + ( ((Y)&3) << 2);
+ GLushort *ditherRow = ditherValues + ( ((Y)&3) << 2);
#define FLAT_DITHER(X) ditherRow[(X)&3]
-/*
+/**
* If pixelformat==PF_LOOKUP:
*/
-#define _DITH0(C,c) (((unsigned)((_D*(C-1)+1)*c)) >> 12)
+#define _dither_lookup(C, c) (((unsigned)((DITH_N * (C - 1) + 1) * c)) >> 12)
#define LOOKUP_SETUP \
- unsigned long *ctable = xmesa->xm_buffer->color_table
-
-#define LOOKUP( R, G, B ) \
- ctable[_MIX(_DITH0(_R, (R)), \
- _DITH0(_G, (G)), \
- _DITH0(_B, (B)))]
+ unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table
+#define LOOKUP( R, G, B ) \
+ ctable[DITH_MIX(_dither_lookup(DITH_R, (R)), \
+ _dither_lookup(DITH_G, (G)), \
+ _dither_lookup(DITH_B, (B)))]
-/*
+/**
* If pixelformat==PF_HPCR:
*
* HP Color Recovery dithering (ad@lms.be 30/08/95)
* corresponding colormap (see tkInitWindow) AND doing some special
* dither.
*/
-static const short HPCR_DRGB[3][2][16] = {
-{
- { 16, -4, 1,-11, 14, -6, 3, -9, 15, -5, 2,-10, 13, -7, 4, -8},
- {-15, 5, 0, 12,-13, 7, -2, 10,-14, 6, -1, 11,-12, 8, -3, 9}
-},
-{
- {-11, 15, -7, 3, -8, 14, -4, 2,-10, 16, -6, 4, -9, 13, -5, 1},
- { 12,-14, 8, -2, 9,-13, 5, -1, 11,-15, 7, -3, 10,-12, 6, 0}
-},
-{
- { 6,-18, 26,-14, 2,-22, 30,-10, 8,-16, 28,-12, 4,-20, 32, -8},
- { -4, 20,-24, 16, 0, 24,-28, 12, -6, 18,-26, 14, -2, 22,-30, 10}
-}
-};
+extern const short xmesa_HPCR_DRGB[3][2][16];
#define DITHER_HPCR( X, Y, R, G, B ) \
- ( ((xmesa->xm_visual->hpcr_rgbTbl[0][R] + HPCR_DRGB[0][(Y)&1][(X)&15]) & 0xE0) \
- |(((xmesa->xm_visual->hpcr_rgbTbl[1][G] + HPCR_DRGB[1][(Y)&1][(X)&15]) & 0xE0)>>3) \
- | ((xmesa->xm_visual->hpcr_rgbTbl[2][B] + HPCR_DRGB[2][(Y)&1][(X)&15])>>6) \
+ ( ((xmesa->xm_visual->hpcr_rgbTbl[0][R] + xmesa_HPCR_DRGB[0][(Y)&1][(X)&15]) & 0xE0) \
+ |(((xmesa->xm_visual->hpcr_rgbTbl[1][G] + xmesa_HPCR_DRGB[1][(Y)&1][(X)&15]) & 0xE0)>>3) \
+ | ((xmesa->xm_visual->hpcr_rgbTbl[2][B] + xmesa_HPCR_DRGB[2][(Y)&1][(X)&15])>>6) \
)
-/*
+/**
* If pixelformat==PF_1BIT:
*/
-static int const kernel1[16] = {
- 0*47, 9*47, 4*47, 12*47, /* 47 = (255*3)/16 */
- 6*47, 2*47, 14*47, 8*47,
- 10*47, 1*47, 5*47, 11*47,
- 7*47, 13*47, 3*47, 15*47 };
+extern const int xmesa_kernel1[16];
#define SETUP_1BIT int bitFlip = xmesa->xm_visual->bitFlip
#define DITHER_1BIT( X, Y, R, G, B ) \
- (( ((int)(R)+(int)(G)+(int)(B)) > kernel1[(((Y)&3) << 2) | ((X)&3)] ) ^ bitFlip)
+ (( ((int)(R)+(int)(G)+(int)(B)) > xmesa_kernel1[(((Y)&3) << 2) | ((X)&3)] ) ^ bitFlip)
-/*
+/**
* If pixelformat==PF_GRAYSCALE:
*/
-#define GRAY_RGB( R, G, B ) xmesa->xm_buffer->color_table[((R) + (G) + (B))/3]
-
-
+#define GRAY_RGB( R, G, B ) XMESA_BUFFER(ctx->DrawBuffer)->color_table[((R) + (G) + (B))/3]
-#define XIMAGE None
-/*
+/**
* Converts a GL window Y coord to an X window Y coord:
*/
-#define FLIP(BUFFER, Y) ((BUFFER)->bottom-(Y))
+#define YFLIP(XRB, Y) ((XRB)->bottom - (Y))
-/*
- * Return the address of a 1, 2 or 4-byte pixel in the back XImage:
+/**
+ * Return the address of a 1, 2 or 4-byte pixel in the buffer's XImage:
* X==0 is left, Y==0 is bottom.
*/
-#define PIXELADDR1( BUFFER, X, Y ) \
- ( (BUFFER)->ximage_origin1 - (Y) * (BUFFER)->ximage_width1 + (X) )
+#define PIXEL_ADDR1(XRB, X, Y) \
+ ( (XRB)->origin1 - (Y) * (XRB)->width1 + (X) )
-#define PIXELADDR2( BUFFER, X, Y ) \
- ( (BUFFER)->ximage_origin2 - (Y) * (BUFFER)->ximage_width2 + (X) )
+#define PIXEL_ADDR2(XRB, X, Y) \
+ ( (XRB)->origin2 - (Y) * (XRB)->width2 + (X) )
-#define PIXELADDR3( BUFFER, X, Y ) \
- ( (bgr_t *) ( (BUFFER)->ximage_origin3 - (Y) * (BUFFER)->ximage_width3 + 3 * (X) ))
+#define PIXEL_ADDR3(XRB, X, Y) \
+ ( (bgr_t *) ( (XRB)->origin3 - (Y) * (XRB)->width3 + 3 * (X) ))
-#define PIXELADDR4( BUFFER, X, Y ) \
- ( (BUFFER)->ximage_origin4 - (Y) * (BUFFER)->ximage_width4 + (X) )
+#define PIXEL_ADDR4(XRB, X, Y) \
+ ( (XRB)->origin4 - (Y) * (XRB)->width4 + (X) )
* External functions:
*/
+extern struct xmesa_renderbuffer *
+xmesa_new_renderbuffer(GLcontext *ctx, GLuint name, const GLvisual *visual,
+ GLboolean backBuffer);
+
+extern void
+xmesa_delete_framebuffer(struct gl_framebuffer *fb);
+
+extern XMesaBuffer
+xmesa_find_buffer(XMesaDisplay *dpy, XMesaColormap cmap, XMesaBuffer notThis);
+
extern unsigned long
-xmesa_color_to_pixel( XMesaContext xmesa,
+xmesa_color_to_pixel( GLcontext *ctx,
GLubyte r, GLubyte g, GLubyte b, GLubyte a,
GLuint pixelFormat );
-extern void xmesa_alloc_back_buffer( XMesaBuffer b );
+extern void
+xmesa_get_window_size(XMesaDisplay *dpy, XMesaBuffer b,
+ GLuint *width, GLuint *height);
+
+extern void
+xmesa_check_and_update_buffer_size(XMesaContext xmctx, XMesaBuffer drawBuffer);
+
+extern void
+xmesa_init_driver_functions( XMesaVisual xmvisual,
+ struct dd_function_table *driver );
+
+extern void
+xmesa_update_state( GLcontext *ctx, GLbitfield new_state );
-extern void xmesa_init_pointers( GLcontext *ctx );
-extern void xmesa_update_state( GLcontext *ctx, GLuint new_state );
+extern void
+xmesa_set_renderbuffer_funcs(struct xmesa_renderbuffer *xrb,
+ enum pixel_format pixelformat, GLint depth);
+
+extern void
+xmesa_destroy_buffers_on_display(XMesaDisplay *dpy);
+
+
+/**
+ * Using a function instead of an ordinary cast is safer.
+ */
+static INLINE struct xmesa_renderbuffer *
+xmesa_renderbuffer(struct gl_renderbuffer *rb)
+{
+ return (struct xmesa_renderbuffer *) rb;
+}
+
+
+/**
+ * Return pointer to XMesaContext corresponding to a Mesa GLcontext.
+ * Since we're using structure containment, it's just a cast!.
+ * XXX should use inlined function for better type safety.
+ */
+static INLINE XMesaContext
+XMESA_CONTEXT(GLcontext *ctx)
+{
+ return (XMesaContext) ctx;
+}
+
+
+/**
+ * Return pointer to XMesaBuffer corresponding to a Mesa GLframebuffer.
+ * Since we're using structure containment, it's just a cast!.
+ * XXX should use inlined function for better type safety.
+ */
+static INLINE XMesaBuffer
+XMESA_BUFFER(GLframebuffer *b)
+{
+ return (XMesaBuffer) b;
+}
-extern void xmesa_update_span_funcs( GLcontext *ctx );
/* Plugged into the software rasterizer. Try to use internal
* swrast-style point, line and triangle functions.
-/* XXX this is a hack to implement shared display lists with 3Dfx */
-extern XMesaBuffer XMesaCreateWindowBuffer2( XMesaVisual v,
- XMesaWindow w,
- XMesaContext c
- );
+#define ENABLE_EXT_texure_compression_s3tc 0 /* SW texture compression */
-/*
- * These are the extra routines required for integration with XFree86.
- * None of these routines should be user visible. -KEM
- */
-extern void XMesaSetVisualDisplay( XMesaDisplay *dpy, XMesaVisual v );
-extern GLboolean XMesaForceCurrent(XMesaContext c);
-extern GLboolean XMesaLoseCurrent(XMesaContext c);
-extern void XMesaReset( void );
-
-extern void xmesa_set_read_buffer( GLcontext *ctx,
- GLframebuffer *buffer, GLenum mode );
-
-extern void xmesa_resize_buffers( GLframebuffer *buffer );
+#ifdef XFree86Server
+#define ENABLE_EXT_timer_query 0
+#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#define ENABLE_EXT_timer_query 1 /* should have 64-bit GLuint64EXT */
+#else
+#define ENABLE_EXT_timer_query 0 /* may not have 64-bit GLuint64EXT */
+#endif
#endif
projects / mesa.git / blobdiff