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

   1 /*
   2 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   3
   4 The Weather Channel (TM) funded Tungsten Graphics to develop the
   5 initial release of the Radeon 8500 driver under the XFree86 license.
   6 This notice must be preserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining
   9 a copy of this software and associated documentation files (the
  10 "Software"), to deal in the Software without restriction, including
  11 without limitation the rights to use, copy, modify, merge, publish,
  12 distribute, sublicense, and/or sell copies of the Software, and to
  13 permit persons to whom the Software is furnished to do so, subject to
  14 the following conditions:
  15
  16 The above copyright notice and this permission notice (including the
  17 next paragraph) shall be included in all copies or substantial
  18 portions of the Software.
  19
  20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 **************************************************************************/
  29
  30 /*
  31  * Authors:
  32  *   Keith Whitwell <keith@tungstengraphics.com>
  33  *   Nicolai Haehnle <prefect_@gmx.net>
  34  */
  35
  36 #ifndef __RADEON_CONTEXT_H__
  37 #define __RADEON_CONTEXT_H__
  38
  39 #include "mtypes.h"
  40 #include "radeon_screen.h"
  41 #include "drm.h"
  42 #include "dri_util.h"
  43 #include "colormac.h"
  44
  45 struct radeon_context;
  46 typedef struct radeon_context radeonContextRec;
  47 typedef struct radeon_context* radeonContextPtr;
  48
  49 static __inline GLuint radeonPackColor(GLuint cpp,
  50                                      GLubyte r, GLubyte g, GLubyte b, GLubyte a)
  51 {
  52         switch (cpp) {
  53         case 2:
  54                 return PACK_COLOR_565(r, g, b);
  55         case 4:
  56                 return PACK_COLOR_8888(a, r, g, b);
  57         default:
  58                 return 0;
  59         }
  60 }
  61
  62 #define TEX_0   0x1
  63 #define TEX_1   0x2
  64 #define TEX_2   0x4
  65 #define TEX_3   0x8
  66 #define TEX_4   0x10
  67 #define TEX_5   0x20
  68 #define TEX_6   0x40
  69 #define TEX_7   0x80
  70 #define TEX_ALL 0xff
  71
  72
  73 /* Rasterizing fallbacks */
  74 /* See correponding strings in r200_swtcl.c */
  75 #define RADEON_FALLBACK_TEXTURE         0x01
  76 #define RADEON_FALLBACK_DRAW_BUFFER     0x02
  77 #define RADEON_FALLBACK_STENCIL         0x04
  78 #define RADEON_FALLBACK_RENDER_MODE     0x08
  79 #define RADEON_FALLBACK_BLEND_EQ        0x10
  80 #define RADEON_FALLBACK_BLEND_FUNC      0x20
  81 #define RADEON_FALLBACK_DISABLE         0x40
  82 #define RADEON_FALLBACK_BORDER_MODE     0x80
  83
  84 #if R200_MERGED
  85 extern void radeonFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  86
  87 #define FALLBACK( radeon, bit, mode ) do {                      \
  88    if ( 0 ) fprintf( stderr, "FALLBACK in %s: #%d=%d\n",        \
  89                      __FUNCTION__, bit, mode );                 \
  90    radeonFallback( (radeon)->glCtx, bit, mode );                \
  91 } while (0)
  92 #else
  93 #define FALLBACK( radeon, bit, mode ) fprintf(stderr, "%s:%s\n", __LINE__, __FILE__);
  94 #endif
  95
  96 /* TCL fallbacks */
  97 extern void radeonTclFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  98
  99 #define RADEON_TCL_FALLBACK_RASTER              0x0001  /* rasterization */
 100 #define RADEON_TCL_FALLBACK_UNFILLED            0x0002  /* unfilled tris */
 101 #define RADEON_TCL_FALLBACK_LIGHT_TWOSIDE       0x0004  /* twoside tris */
 102 #define RADEON_TCL_FALLBACK_MATERIAL            0x0008  /* material in vb */
 103 #define RADEON_TCL_FALLBACK_TEXGEN_0            0x0010  /* texgen, unit 0 */
 104 #define RADEON_TCL_FALLBACK_TEXGEN_1            0x0020  /* texgen, unit 1 */
 105 #define RADEON_TCL_FALLBACK_TEXGEN_2            0x0040  /* texgen, unit 2 */
 106 #define RADEON_TCL_FALLBACK_TEXGEN_3            0x0080  /* texgen, unit 3 */
 107 #define RADEON_TCL_FALLBACK_TEXGEN_4            0x0100  /* texgen, unit 4 */
 108 #define RADEON_TCL_FALLBACK_TEXGEN_5            0x0200  /* texgen, unit 5 */
 109 #define RADEON_TCL_FALLBACK_TCL_DISABLE         0x0400  /* user disable */
 110 #define RADEON_TCL_FALLBACK_BITMAP              0x0800  /* draw bitmap with points */
 111 #define RADEON_TCL_FALLBACK_VERTEX_PROGRAM      0x1000  /* vertex program active */
 112
 113 #if R200_MERGED
 114 #define TCL_FALLBACK( ctx, bit, mode )  radeonTclFallback( ctx, bit, mode )
 115 #else
 116 #define TCL_FALLBACK( ctx, bit, mode )  ;
 117 #endif
 118
 119
 120 struct radeon_dri_mirror {
 121         __DRIcontextPrivate *context;   /* DRI context */
 122         __DRIscreenPrivate *screen;     /* DRI screen */
 123         /**
 124          * DRI drawable bound to this context for drawing.
 125          */
 126         __DRIdrawablePrivate    *drawable;
 127
 128         /**
 129          * DRI drawable bound to this context for reading.
 130          */
 131         __DRIdrawablePrivate    *readable;
 132
 133         drm_context_t hwContext;
 134         drm_hw_lock_t *hwLock;
 135         int fd;
 136         int drmMinor;
 137 };
 138
 139 /**
 140  * Derived state for internal purposes.
 141  */
 142 struct radeon_scissor_state {
 143         drm_clip_rect_t rect;
 144         GLboolean enabled;
 145
 146         GLuint numClipRects;    /* Cliprects active */
 147         GLuint numAllocedClipRects;     /* Cliprects available */
 148         drm_clip_rect_t *pClipRects;
 149 };
 150
 151 struct radeon_colorbuffer_state {
 152         GLuint clear;
 153         GLint drawOffset, drawPitch;
 154 };
 155
 156 struct radeon_state {
 157         struct radeon_colorbuffer_state color;
 158         struct radeon_scissor_state scissor;
 159 };
 160
 161 /**
 162  * Common per-context variables shared by R200 and R300.
 163  * R200- and R300-specific code "derive" their own context from this
 164  * structure.
 165  */
 166 struct radeon_context {
 167         GLcontext *glCtx;               /* Mesa context */
 168         radeonScreenPtr radeonScreen;   /* Screen private DRI data */
 169
 170         /* Fallback state */
 171         GLuint Fallback;
 172         GLuint TclFallback;
 173
 174         /* Page flipping */
 175         GLuint doPageFlip;
 176
 177         /* Drawable, cliprect and scissor information */
 178         GLuint numClipRects;    /* Cliprects for the draw buffer */
 179         drm_clip_rect_t *pClipRects;
 180         unsigned int lastStamp;
 181         GLboolean lost_context;
 182         drm_radeon_sarea_t *sarea;      /* Private SAREA data */
 183
 184         /* Mirrors of some DRI state */
 185         struct radeon_dri_mirror dri;
 186
 187         /* Busy waiting */
 188         GLuint do_usleeps;
 189         GLuint do_irqs;
 190         GLuint irqsEmitted;
 191         drm_radeon_irq_wait_t iw;
 192
 193         /* VBI / buffer swap */
 194         GLuint vbl_seq;
 195         GLuint vblank_flags;
 196
 197         int64_t swap_ust;
 198         int64_t swap_missed_ust;
 199
 200         GLuint swap_count;
 201         GLuint swap_missed_count;
 202
 203
 204         /* Derived state */
 205         struct radeon_state state;
 206
 207         /* Configuration cache
 208          */
 209         driOptionCache optionCache;
 210 };
 211
 212 #define RADEON_CONTEXT(glctx) ((radeonContextPtr)(ctx->DriverCtx))
 213
 214 extern void radeonSwapBuffers(__DRIdrawablePrivate * dPriv);
 215 extern void radeonCopySubBuffer(__DRIdrawablePrivate * dPriv,
 216                                 int x, int y, int w, int h);
 217 extern GLboolean radeonInitContext(radeonContextPtr radeon,
 218                                    struct dd_function_table* functions,
 219                                    const __GLcontextModes * glVisual,
 220                                    __DRIcontextPrivate * driContextPriv,
 221                                    void *sharedContextPrivate);
 222 extern void radeonCleanupContext(radeonContextPtr radeon);
 223 extern GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 224                                    __DRIdrawablePrivate * driDrawPriv,
 225                                    __DRIdrawablePrivate * driReadPriv);
 226 extern GLboolean radeonUnbindContext(__DRIcontextPrivate * driContextPriv);
 227
 228 /* ================================================================
 229  * Debugging:
 230  */
 231 #define DO_DEBUG                1
 232
 233 #if DO_DEBUG
 234 extern int RADEON_DEBUG;
 235 #else
 236 #define RADEON_DEBUG            0
 237 #endif
 238
 239 #define DEBUG_TEXTURE   0x0001
 240 #define DEBUG_STATE     0x0002
 241 #define DEBUG_IOCTL     0x0004
 242 #define DEBUG_PRIMS     0x0008
 243 #define DEBUG_VERTS     0x0010
 244 #define DEBUG_FALLBACKS 0x0020
 245 #define DEBUG_VFMT      0x0040
 246 #define DEBUG_CODEGEN   0x0080
 247 #define DEBUG_VERBOSE   0x0100
 248 #define DEBUG_DRI       0x0200
 249 #define DEBUG_DMA       0x0400
 250 #define DEBUG_SANITY    0x0800
 251 #define DEBUG_SYNC      0x1000
 252 #define DEBUG_PIXEL     0x2000
 253 #define DEBUG_MEMORY    0x4000
 254
 255 #endif /* __RADEON_CONTEXT_H__ */