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
  44 struct radeon_context;
  45 typedef struct radeon_context radeonContextRec;
  46 typedef struct radeon_context* radeonContextPtr;
  47
  48 static __inline GLuint radeonPackColor(GLuint cpp,
  49                                      GLubyte r, GLubyte g, GLubyte b, GLubyte a)
  50 {
  51         switch (cpp) {
  52         case 2:
  53                 return PACK_COLOR_565(r, g, b);
  54         case 4:
  55                 return PACK_COLOR_8888(a, r, g, b);
  56         default:
  57                 return 0;
  58         }
  59 }
  60
  61 #define TEX_0   0x1
  62 #define TEX_1   0x2
  63 #define TEX_2   0x4
  64 #define TEX_3   0x8
  65 #define TEX_4   0x10
  66 #define TEX_5   0x20
  67 #define TEX_6   0x40
  68 #define TEX_7   0x80
  69 #define TEX_ALL 0xff
  70
  71
  72 /* Rasterizing fallbacks */
  73 /* See correponding strings in r200_swtcl.c */
  74 #define RADEON_FALLBACK_TEXTURE         0x01
  75 #define RADEON_FALLBACK_DRAW_BUFFER     0x02
  76 #define RADEON_FALLBACK_STENCIL         0x04
  77 #define RADEON_FALLBACK_RENDER_MODE     0x08
  78 #define RADEON_FALLBACK_BLEND_EQ        0x10
  79 #define RADEON_FALLBACK_BLEND_FUNC      0x20
  80 #define RADEON_FALLBACK_DISABLE         0x40
  81 #define RADEON_FALLBACK_BORDER_MODE     0x80
  82
  83 #if R200_MERGED
  84 extern void radeonFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  85
  86 #define FALLBACK( radeon, bit, mode ) do {                      \
  87    if ( 0 ) fprintf( stderr, "FALLBACK in %s: #%d=%d\n",        \
  88                      __FUNCTION__, bit, mode );                 \
  89    radeonFallback( (radeon)->glCtx, bit, mode );                \
  90 } while (0)
  91 #else
  92 #define FALLBACK( radeon, bit, mode ) fprintf(stderr, "%s:%s\n", __LINE__, __FILE__);
  93 #endif
  94
  95 /* TCL fallbacks */
  96 extern void radeonTclFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  97
  98 #define RADEON_TCL_FALLBACK_RASTER              0x0001  /* rasterization */
  99 #define RADEON_TCL_FALLBACK_UNFILLED            0x0002  /* unfilled tris */
 100 #define RADEON_TCL_FALLBACK_LIGHT_TWOSIDE       0x0004  /* twoside tris */
 101 #define RADEON_TCL_FALLBACK_MATERIAL            0x0008  /* material in vb */
 102 #define RADEON_TCL_FALLBACK_TEXGEN_0            0x0010  /* texgen, unit 0 */
 103 #define RADEON_TCL_FALLBACK_TEXGEN_1            0x0020  /* texgen, unit 1 */
 104 #define RADEON_TCL_FALLBACK_TEXGEN_2            0x0040  /* texgen, unit 2 */
 105 #define RADEON_TCL_FALLBACK_TEXGEN_3            0x0080  /* texgen, unit 3 */
 106 #define RADEON_TCL_FALLBACK_TEXGEN_4            0x0100  /* texgen, unit 4 */
 107 #define RADEON_TCL_FALLBACK_TEXGEN_5            0x0200  /* texgen, unit 5 */
 108 #define RADEON_TCL_FALLBACK_TCL_DISABLE         0x0400  /* user disable */
 109 #define RADEON_TCL_FALLBACK_BITMAP              0x0800  /* draw bitmap with points */
 110 #define RADEON_TCL_FALLBACK_VERTEX_PROGRAM      0x1000  /* vertex program active */
 111
 112 #if R200_MERGED
 113 #define TCL_FALLBACK( ctx, bit, mode )  radeonTclFallback( ctx, bit, mode )
 114 #else
 115 #define TCL_FALLBACK( ctx, bit, mode )  ;
 116 #endif
 117
 118
 119 struct radeon_dri_mirror {
 120         __DRIcontextPrivate *context;   /* DRI context */
 121         __DRIscreenPrivate *screen;     /* DRI screen */
 122         __DRIdrawablePrivate *drawable; /* DRI drawable bound to this ctx */
 123
 124         drm_context_t hwContext;
 125         drm_hw_lock_t *hwLock;
 126         int fd;
 127         int drmMinor;
 128 };
 129
 130 /**
 131  * Derived state for internal purposes.
 132  */
 133 struct radeon_scissor_state {
 134         drm_clip_rect_t rect;
 135         GLboolean enabled;
 136
 137         GLuint numClipRects;    /* Cliprects active */
 138         GLuint numAllocedClipRects;     /* Cliprects available */
 139         drm_clip_rect_t *pClipRects;
 140 };
 141
 142 struct radeon_colorbuffer_state {
 143         GLuint clear;
 144         GLint drawOffset, drawPitch;
 145 };
 146
 147 struct radeon_state {
 148         struct radeon_colorbuffer_state color;
 149         struct radeon_scissor_state scissor;
 150 };
 151
 152 /**
 153  * Common per-context variables shared by R200 and R300.
 154  * R200- and R300-specific code "derive" their own context from this
 155  * structure.
 156  */
 157 struct radeon_context {
 158         GLcontext *glCtx;               /* Mesa context */
 159         radeonScreenPtr radeonScreen;   /* Screen private DRI data */
 160
 161         /* Fallback state */
 162         GLuint Fallback;
 163         GLuint TclFallback;
 164
 165         /* Page flipping */
 166         GLuint doPageFlip;
 167
 168         /* Drawable, cliprect and scissor information */
 169         GLuint numClipRects;    /* Cliprects for the draw buffer */
 170         drm_clip_rect_t *pClipRects;
 171         unsigned int lastStamp;
 172         GLboolean lost_context;
 173         drm_radeon_sarea_t *sarea;      /* Private SAREA data */
 174
 175         /* Mirrors of some DRI state */
 176         struct radeon_dri_mirror dri;
 177
 178         /* Busy waiting */
 179         GLuint do_usleeps;
 180         GLuint do_irqs;
 181         GLuint irqsEmitted;
 182         drm_radeon_irq_wait_t iw;
 183
 184         /* VBI / buffer swap */
 185         GLuint vbl_seq;
 186         GLuint vblank_flags;
 187
 188         int64_t swap_ust;
 189         int64_t swap_missed_ust;
 190
 191         GLuint swap_count;
 192         GLuint swap_missed_count;
 193
 194
 195         /* Derived state */
 196         struct radeon_state state;
 197
 198         /* Configuration cache
 199          */
 200         driOptionCache optionCache;
 201 };
 202
 203 #define RADEON_CONTEXT(glctx) ((radeonContextPtr)(ctx->DriverCtx))
 204
 205 extern void radeonSwapBuffers(__DRIdrawablePrivate * dPriv);
 206 extern GLboolean radeonInitContext(radeonContextPtr radeon,
 207                                    struct dd_function_table* functions,
 208                                    const __GLcontextModes * glVisual,
 209                                    __DRIcontextPrivate * driContextPriv,
 210                                    void *sharedContextPrivate);
 211 extern void radeonCleanupContext(radeonContextPtr radeon);
 212 extern GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 213                                    __DRIdrawablePrivate * driDrawPriv,
 214                                    __DRIdrawablePrivate * driReadPriv);
 215 extern GLboolean radeonUnbindContext(__DRIcontextPrivate * driContextPriv);
 216
 217 /* ================================================================
 218  * Debugging:
 219  */
 220 #define DO_DEBUG                1
 221
 222 #if DO_DEBUG
 223 extern int RADEON_DEBUG;
 224 #else
 225 #define RADEON_DEBUG            0
 226 #endif
 227
 228 #define DEBUG_TEXTURE   0x0001
 229 #define DEBUG_STATE     0x0002
 230 #define DEBUG_IOCTL     0x0004
 231 #define DEBUG_PRIMS     0x0008
 232 #define DEBUG_VERTS     0x0010
 233 #define DEBUG_FALLBACKS 0x0020
 234 #define DEBUG_VFMT      0x0040
 235 #define DEBUG_CODEGEN   0x0080
 236 #define DEBUG_VERBOSE   0x0100
 237 #define DEBUG_DRI       0x0200
 238 #define DEBUG_DMA       0x0400
 239 #define DEBUG_SANITY    0x0800
 240 #define DEBUG_SYNC      0x1000
 241 #define DEBUG_PIXEL     0x2000
 242 #define DEBUG_MEMORY    0x4000
 243
 244 #endif /* __RADEON_CONTEXT_H__ */