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 extern void radeonFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  84
  85 #define FALLBACK( radeon, bit, mode ) do {                      \
  86    if ( 0 ) fprintf( stderr, "FALLBACK in %s: #%d=%d\n",        \
  87                      __FUNCTION__, bit, mode );                 \
  88    radeonFallback( (radeon)->glCtx, bit, mode );                \
  89 } while (0)
  90
  91
  92 /* TCL fallbacks */
  93 extern void radeonTclFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  94
  95 #define RADEON_TCL_FALLBACK_RASTER              0x0001  /* rasterization */
  96 #define RADEON_TCL_FALLBACK_UNFILLED            0x0002  /* unfilled tris */
  97 #define RADEON_TCL_FALLBACK_LIGHT_TWOSIDE       0x0004  /* twoside tris */
  98 #define RADEON_TCL_FALLBACK_MATERIAL            0x0008  /* material in vb */
  99 #define RADEON_TCL_FALLBACK_TEXGEN_0            0x0010  /* texgen, unit 0 */
 100 #define RADEON_TCL_FALLBACK_TEXGEN_1            0x0020  /* texgen, unit 1 */
 101 #define RADEON_TCL_FALLBACK_TEXGEN_2            0x0040  /* texgen, unit 2 */
 102 #define RADEON_TCL_FALLBACK_TEXGEN_3            0x0080  /* texgen, unit 3 */
 103 #define RADEON_TCL_FALLBACK_TEXGEN_4            0x0100  /* texgen, unit 4 */
 104 #define RADEON_TCL_FALLBACK_TEXGEN_5            0x0200  /* texgen, unit 5 */
 105 #define RADEON_TCL_FALLBACK_TCL_DISABLE         0x0400  /* user disable */
 106 #define RADEON_TCL_FALLBACK_BITMAP              0x0800  /* draw bitmap with points */
 107 #define RADEON_TCL_FALLBACK_VERTEX_PROGRAM      0x1000  /* vertex program active */
 108
 109 #define TCL_FALLBACK( ctx, bit, mode )  radeonTclFallback( ctx, bit, mode )
 110
 111
 112 struct radeon_dri_mirror {
 113         __DRIcontextPrivate *context;   /* DRI context */
 114         __DRIscreenPrivate *screen;     /* DRI screen */
 115         __DRIdrawablePrivate *drawable; /* DRI drawable bound to this ctx */
 116
 117         drm_context_t hwContext;
 118         drm_hw_lock_t *hwLock;
 119         int fd;
 120         int drmMinor;
 121 };
 122
 123 /**
 124  * Derived state for internal purposes.
 125  */
 126 struct radeon_scissor_state {
 127         drm_clip_rect_t rect;
 128         GLboolean enabled;
 129
 130         GLuint numClipRects;    /* Cliprects active */
 131         GLuint numAllocedClipRects;     /* Cliprects available */
 132         drm_clip_rect_t *pClipRects;
 133 };
 134
 135 struct radeon_colorbuffer_state {
 136         GLuint clear;
 137         GLint drawOffset, drawPitch;
 138 };
 139
 140 struct radeon_pixel_state {
 141         GLint readOffset, readPitch;
 142 };
 143
 144 struct radeon_state {
 145         struct radeon_colorbuffer_state color;
 146         struct radeon_pixel_state pixel;
 147         struct radeon_scissor_state scissor;
 148 };
 149
 150 /**
 151  * Common per-context variables shared by R200 and R300.
 152  * R200- and R300-specific code "derive" their own context from this
 153  * structure.
 154  */
 155 struct radeon_context {
 156         GLcontext *glCtx;               /* Mesa context */
 157         radeonScreenPtr radeonScreen;   /* Screen private DRI data */
 158
 159         /* Fallback state */
 160         GLuint Fallback;
 161         GLuint TclFallback;
 162
 163         /* Page flipping */
 164         GLuint doPageFlip;
 165
 166         /* Drawable, cliprect and scissor information */
 167         GLuint numClipRects;    /* Cliprects for the draw buffer */
 168         drm_clip_rect_t *pClipRects;
 169         unsigned int lastStamp;
 170         GLboolean lost_context;
 171         drm_radeon_sarea_t *sarea;      /* Private SAREA data */
 172
 173         /* Mirrors of some DRI state */
 174         struct radeon_dri_mirror dri;
 175
 176         /* Busy waiting */
 177         GLuint do_usleeps;
 178         GLuint do_irqs;
 179         GLuint irqsEmitted;
 180         drm_radeon_irq_wait_t iw;
 181
 182         /* VBI / buffer swap */
 183         GLuint vbl_seq;
 184         GLuint vblank_flags;
 185
 186         int64_t swap_ust;
 187         int64_t swap_missed_ust;
 188
 189         GLuint swap_count;
 190         GLuint swap_missed_count;
 191
 192         PFNGLXGETUSTPROC get_ust;
 193
 194         /* Derived state */
 195         struct radeon_state state;
 196
 197         /* Configuration cache
 198          */
 199         driOptionCache optionCache;
 200 };
 201
 202 #define RADEON_CONTEXT(glctx) ((radeonContextPtr)(ctx->DriverCtx))
 203
 204 extern void radeonSwapBuffers(__DRIdrawablePrivate * dPriv);
 205 extern GLboolean radeonInitContext(radeonContextPtr radeon,
 206                                    struct dd_function_table* functions,
 207                                    const __GLcontextModes * glVisual,
 208                                    __DRIcontextPrivate * driContextPriv,
 209                                    void *sharedContextPrivate);
 210 extern void radeonCleanupContext(radeonContextPtr radeon);
 211 extern GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 212                                    __DRIdrawablePrivate * driDrawPriv,
 213                                    __DRIdrawablePrivate * driReadPriv);
 214 extern GLboolean radeonUnbindContext(__DRIcontextPrivate * driContextPriv);
 215
 216 /* ================================================================
 217  * Debugging:
 218  */
 219 #define DO_DEBUG                1
 220
 221 #if DO_DEBUG
 222 extern int RADEON_DEBUG;
 223 #else
 224 #define RADEON_DEBUG            0
 225 #endif
 226
 227 #define DEBUG_TEXTURE   0x0001
 228 #define DEBUG_STATE     0x0002
 229 #define DEBUG_IOCTL     0x0004
 230 #define DEBUG_PRIMS     0x0008
 231 #define DEBUG_VERTS     0x0010
 232 #define DEBUG_FALLBACKS 0x0020
 233 #define DEBUG_VFMT      0x0040
 234 #define DEBUG_CODEGEN   0x0080
 235 #define DEBUG_VERBOSE   0x0100
 236 #define DEBUG_DRI       0x0200
 237 #define DEBUG_DMA       0x0400
 238 #define DEBUG_SANITY    0x0800
 239 #define DEBUG_SYNC      0x1000
 240 #define DEBUG_PIXEL     0x2000
 241 #define DEBUG_MEMORY    0x4000
 242
 243 #endif /* __RADEON_CONTEXT_H__ */