src/mesa/drivers/dri/r300/radeon_context.h

   1 /**************************************************************************
   2
   3 Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
   4                      VA Linux Systems Inc., Fremont, California.
   5 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   6
   7 The Weather Channel (TM) funded Tungsten Graphics to develop the
   8 initial release of the Radeon 8500 driver under the XFree86 license.
   9 This notice must be preserved.
  10
  11 All Rights Reserved.
  12
  13 Permission is hereby granted, free of charge, to any person obtaining
  14 a copy of this software and associated documentation files (the
  15 "Software"), to deal in the Software without restriction, including
  16 without limitation the rights to use, copy, modify, merge, publish,
  17 distribute, sublicense, and/or sell copies of the Software, and to
  18 permit persons to whom the Software is furnished to do so, subject to
  19 the following conditions:
  20
  21 The above copyright notice and this permission notice (including the
  22 next paragraph) shall be included in all copies or substantial
  23 portions of the Software.
  24
  25 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  28 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  29 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32
  33 **************************************************************************/
  34
  35 /*
  36  * Authors:
  37  *   Gareth Hughes <gareth@valinux.com>
  38  *   Keith Whitwell <keith@tungstengraphics.com>
  39  *   Kevin E. Martin <martin@valinux.com>
  40  *   Nicolai Haehnle <prefect_@gmx.net>
  41  */
  42
  43 #ifndef __RADEON_CONTEXT_H__
  44 #define __RADEON_CONTEXT_H__
  45
  46 #include "main/mtypes.h"
  47 #include "main/colormac.h"
  48 #include "radeon_screen.h"
  49 #include "drm.h"
  50 #include "dri_util.h"
  51
  52 struct radeon_context;
  53 typedef struct radeon_context radeonContextRec;
  54 typedef struct radeon_context *radeonContextPtr;
  55
  56 /* Rasterizing fallbacks */
  57 /* See correponding strings in r200_swtcl.c */
  58 #define RADEON_FALLBACK_TEXTURE         0x0001
  59 #define RADEON_FALLBACK_DRAW_BUFFER     0x0002
  60 #define RADEON_FALLBACK_STENCIL         0x0004
  61 #define RADEON_FALLBACK_RENDER_MODE     0x0008
  62 #define RADEON_FALLBACK_BLEND_EQ        0x0010
  63 #define RADEON_FALLBACK_BLEND_FUNC      0x0020
  64 #define RADEON_FALLBACK_DISABLE         0x0040
  65 #define RADEON_FALLBACK_BORDER_MODE     0x0080
  66
  67 #if R200_MERGED
  68 extern void radeonFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  69
  70 #define FALLBACK( radeon, bit, mode ) do {                      \
  71    if ( 0 ) fprintf( stderr, "FALLBACK in %s: #%d=%d\n",        \
  72                      __FUNCTION__, bit, mode );                 \
  73    radeonFallback( (radeon)->glCtx, bit, mode );                \
  74 } while (0)
  75 #else
  76 #define FALLBACK( radeon, bit, mode ) fprintf(stderr, "%s:%s\n", __LINE__, __FILE__);
  77 #endif
  78
  79 /* TCL fallbacks */
  80 extern void radeonTclFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  81
  82 #define RADEON_TCL_FALLBACK_RASTER              0x0001  /* rasterization */
  83 #define RADEON_TCL_FALLBACK_UNFILLED            0x0002  /* unfilled tris */
  84 #define RADEON_TCL_FALLBACK_LIGHT_TWOSIDE       0x0004  /* twoside tris */
  85 #define RADEON_TCL_FALLBACK_MATERIAL            0x0008  /* material in vb */
  86 #define RADEON_TCL_FALLBACK_TEXGEN_0            0x0010  /* texgen, unit 0 */
  87 #define RADEON_TCL_FALLBACK_TEXGEN_1            0x0020  /* texgen, unit 1 */
  88 #define RADEON_TCL_FALLBACK_TEXGEN_2            0x0040  /* texgen, unit 2 */
  89 #define RADEON_TCL_FALLBACK_TEXGEN_3            0x0080  /* texgen, unit 3 */
  90 #define RADEON_TCL_FALLBACK_TEXGEN_4            0x0100  /* texgen, unit 4 */
  91 #define RADEON_TCL_FALLBACK_TEXGEN_5            0x0200  /* texgen, unit 5 */
  92 #define RADEON_TCL_FALLBACK_TCL_DISABLE         0x0400  /* user disable */
  93 #define RADEON_TCL_FALLBACK_BITMAP              0x0800  /* draw bitmap with points */
  94 #define RADEON_TCL_FALLBACK_VERTEX_PROGRAM      0x1000  /* vertex program active */
  95
  96 #if R200_MERGED
  97 #define TCL_FALLBACK( ctx, bit, mode )  radeonTclFallback( ctx, bit, mode )
  98 #else
  99 #define TCL_FALLBACK( ctx, bit, mode )  ;
 100 #endif
 101
 102 struct radeon_dri_mirror {
 103         __DRIcontextPrivate *context;   /* DRI context */
 104         __DRIscreenPrivate *screen;     /* DRI screen */
 105         /**
 106          * DRI drawable bound to this context for drawing.
 107          */
 108         __DRIdrawablePrivate *drawable;
 109
 110         /**
 111          * DRI drawable bound to this context for reading.
 112          */
 113         __DRIdrawablePrivate *readable;
 114
 115         drm_context_t hwContext;
 116         drm_hw_lock_t *hwLock;
 117         int fd;
 118         int drmMinor;
 119 };
 120
 121 /**
 122  * Derived state for internal purposes.
 123  */
 124 struct radeon_scissor_state {
 125         drm_clip_rect_t rect;
 126         GLboolean enabled;
 127
 128         GLuint numClipRects;    /* Cliprects active */
 129         GLuint numAllocedClipRects;     /* Cliprects available */
 130         drm_clip_rect_t *pClipRects;
 131 };
 132
 133 struct radeon_colorbuffer_state {
 134         GLuint clear;
 135         GLint drawOffset, drawPitch;
 136 };
 137
 138 struct radeon_state {
 139         struct radeon_colorbuffer_state color;
 140         struct radeon_scissor_state scissor;
 141 };
 142
 143 /**
 144  * Common per-context variables shared by R200 and R300.
 145  * R200- and R300-specific code "derive" their own context from this
 146  * structure.
 147  */
 148 struct radeon_context {
 149         GLcontext *glCtx;       /* Mesa context */
 150         radeonScreenPtr radeonScreen;   /* Screen private DRI data */
 151
 152         /* Fallback state */
 153         GLuint Fallback;
 154         GLuint TclFallback;
 155
 156         /* Page flipping */
 157         GLuint doPageFlip;
 158
 159         /* Drawable, cliprect and scissor information */
 160         GLuint numClipRects;    /* Cliprects for the draw buffer */
 161         drm_clip_rect_t *pClipRects;
 162         unsigned int lastStamp;
 163         GLboolean lost_context;
 164         drm_radeon_sarea_t *sarea;      /* Private SAREA data */
 165
 166         /* Mirrors of some DRI state */
 167         struct radeon_dri_mirror dri;
 168
 169         /* Busy waiting */
 170         GLuint do_usleeps;
 171         GLuint do_irqs;
 172         GLuint irqsEmitted;
 173         drm_radeon_irq_wait_t iw;
 174
 175         /* buffer swap */
 176         int64_t swap_ust;
 177         int64_t swap_missed_ust;
 178
 179         GLuint swap_count;
 180         GLuint swap_missed_count;
 181
 182         /* Derived state */
 183         struct radeon_state state;
 184
 185         /* Configuration cache
 186          */
 187         driOptionCache optionCache;
 188 };
 189
 190 #define RADEON_CONTEXT(glctx) ((radeonContextPtr)(ctx->DriverCtx))
 191
 192 extern void radeonSwapBuffers(__DRIdrawablePrivate * dPriv);
 193 extern void radeonCopySubBuffer(__DRIdrawablePrivate * dPriv,
 194                                 int x, int y, int w, int h);
 195 extern GLboolean radeonInitContext(radeonContextPtr radeon,
 196                                    struct dd_function_table *functions,
 197                                    const __GLcontextModes * glVisual,
 198                                    __DRIcontextPrivate * driContextPriv,
 199                                    void *sharedContextPrivate);
 200 extern void radeonCleanupContext(radeonContextPtr radeon);
 201 extern GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 202                                    __DRIdrawablePrivate * driDrawPriv,
 203                                    __DRIdrawablePrivate * driReadPriv);
 204 extern GLboolean radeonUnbindContext(__DRIcontextPrivate * driContextPriv);
 205
 206 /* ================================================================
 207  * Debugging:
 208  */
 209 #define DO_DEBUG                1
 210
 211 #if DO_DEBUG
 212 extern int RADEON_DEBUG;
 213 #else
 214 #define RADEON_DEBUG            0
 215 #endif
 216
 217 #define DEBUG_TEXTURE   0x0001
 218 #define DEBUG_STATE     0x0002
 219 #define DEBUG_IOCTL     0x0004
 220 #define DEBUG_PRIMS     0x0008
 221 #define DEBUG_VERTS     0x0010
 222 #define DEBUG_FALLBACKS 0x0020
 223 #define DEBUG_VFMT      0x0040
 224 #define DEBUG_CODEGEN   0x0080
 225 #define DEBUG_VERBOSE   0x0100
 226 #define DEBUG_DRI       0x0200
 227 #define DEBUG_DMA       0x0400
 228 #define DEBUG_SANITY    0x0800
 229 #define DEBUG_SYNC      0x1000
 230 #define DEBUG_PIXEL     0x2000
 231 #define DEBUG_MEMORY    0x4000
 232
 233 #endif                          /* __RADEON_CONTEXT_H__ */