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 "mtypes.h"
  47 #include "radeon_screen.h"
  48 #include "drm.h"
  49 #include "dri_util.h"
  50 #include "colormac.h"
  51
  52 struct radeon_context;
  53 typedef struct radeon_context radeonContextRec;
  54 typedef struct radeon_context *radeonContextPtr;
  55
  56 #define TEX_0   0x1
  57 #define TEX_1   0x2
  58 #define TEX_2   0x4
  59 #define TEX_3   0x8
  60 #define TEX_4   0x10
  61 #define TEX_5   0x20
  62 #define TEX_6   0x40
  63 #define TEX_7   0x80
  64 #define TEX_ALL 0xff
  65
  66 /* Rasterizing fallbacks */
  67 /* See correponding strings in r200_swtcl.c */
  68 #define RADEON_FALLBACK_TEXTURE         0x0001
  69 #define RADEON_FALLBACK_DRAW_BUFFER     0x0002
  70 #define RADEON_FALLBACK_STENCIL         0x0004
  71 #define RADEON_FALLBACK_RENDER_MODE     0x0008
  72 #define RADEON_FALLBACK_BLEND_EQ        0x0010
  73 #define RADEON_FALLBACK_BLEND_FUNC      0x0020
  74 #define RADEON_FALLBACK_DISABLE         0x0040
  75 #define RADEON_FALLBACK_BORDER_MODE     0x0080
  76
  77 #if R200_MERGED
  78 extern void radeonFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  79
  80 #define FALLBACK( radeon, bit, mode ) do {                      \
  81    if ( 0 ) fprintf( stderr, "FALLBACK in %s: #%d=%d\n",        \
  82                      __FUNCTION__, bit, mode );                 \
  83    radeonFallback( (radeon)->glCtx, bit, mode );                \
  84 } while (0)
  85 #else
  86 #define FALLBACK( radeon, bit, mode ) fprintf(stderr, "%s:%s\n", __LINE__, __FILE__);
  87 #endif
  88
  89 /* TCL fallbacks */
  90 extern void radeonTclFallback(GLcontext * ctx, GLuint bit, GLboolean mode);
  91
  92 #define RADEON_TCL_FALLBACK_RASTER              0x0001  /* rasterization */
  93 #define RADEON_TCL_FALLBACK_UNFILLED            0x0002  /* unfilled tris */
  94 #define RADEON_TCL_FALLBACK_LIGHT_TWOSIDE       0x0004  /* twoside tris */
  95 #define RADEON_TCL_FALLBACK_MATERIAL            0x0008  /* material in vb */
  96 #define RADEON_TCL_FALLBACK_TEXGEN_0            0x0010  /* texgen, unit 0 */
  97 #define RADEON_TCL_FALLBACK_TEXGEN_1            0x0020  /* texgen, unit 1 */
  98 #define RADEON_TCL_FALLBACK_TEXGEN_2            0x0040  /* texgen, unit 2 */
  99 #define RADEON_TCL_FALLBACK_TEXGEN_3            0x0080  /* texgen, unit 3 */
 100 #define RADEON_TCL_FALLBACK_TEXGEN_4            0x0100  /* texgen, unit 4 */
 101 #define RADEON_TCL_FALLBACK_TEXGEN_5            0x0200  /* texgen, unit 5 */
 102 #define RADEON_TCL_FALLBACK_TCL_DISABLE         0x0400  /* user disable */
 103 #define RADEON_TCL_FALLBACK_BITMAP              0x0800  /* draw bitmap with points */
 104 #define RADEON_TCL_FALLBACK_VERTEX_PROGRAM      0x1000  /* vertex program active */
 105
 106 #if R200_MERGED
 107 #define TCL_FALLBACK( ctx, bit, mode )  radeonTclFallback( ctx, bit, mode )
 108 #else
 109 #define TCL_FALLBACK( ctx, bit, mode )  ;
 110 #endif
 111
 112 struct radeon_dri_mirror {
 113         __DRIcontextPrivate *context;   /* DRI context */
 114         __DRIscreenPrivate *screen;     /* DRI screen */
 115         /**
 116          * DRI drawable bound to this context for drawing.
 117          */
 118         __DRIdrawablePrivate *drawable;
 119
 120         /**
 121          * DRI drawable bound to this context for reading.
 122          */
 123         __DRIdrawablePrivate *readable;
 124
 125         drm_context_t hwContext;
 126         drm_hw_lock_t *hwLock;
 127         int fd;
 128         int drmMinor;
 129 };
 130
 131 /**
 132  * Derived state for internal purposes.
 133  */
 134 struct radeon_scissor_state {
 135         drm_clip_rect_t rect;
 136         GLboolean enabled;
 137
 138         GLuint numClipRects;    /* Cliprects active */
 139         GLuint numAllocedClipRects;     /* Cliprects available */
 140         drm_clip_rect_t *pClipRects;
 141 };
 142
 143 struct radeon_colorbuffer_state {
 144         GLuint clear;
 145         GLint drawOffset, drawPitch;
 146 };
 147
 148 struct radeon_state {
 149         struct radeon_colorbuffer_state color;
 150         struct radeon_scissor_state scissor;
 151 };
 152
 153 /**
 154  * Common per-context variables shared by R200 and R300.
 155  * R200- and R300-specific code "derive" their own context from this
 156  * structure.
 157  */
 158 struct radeon_context {
 159         GLcontext *glCtx;       /* Mesa context */
 160         radeonScreenPtr radeonScreen;   /* Screen private DRI data */
 161
 162         /* Fallback state */
 163         GLuint Fallback;
 164         GLuint TclFallback;
 165
 166         /* Page flipping */
 167         GLuint doPageFlip;
 168
 169         /* Drawable, cliprect and scissor information */
 170         GLuint numClipRects;    /* Cliprects for the draw buffer */
 171         drm_clip_rect_t *pClipRects;
 172         unsigned int lastStamp;
 173         GLboolean lost_context;
 174         drm_radeon_sarea_t *sarea;      /* Private SAREA data */
 175
 176         /* Mirrors of some DRI state */
 177         struct radeon_dri_mirror dri;
 178
 179         /* Busy waiting */
 180         GLuint do_usleeps;
 181         GLuint do_irqs;
 182         GLuint irqsEmitted;
 183         drm_radeon_irq_wait_t iw;
 184
 185         /* VBI / buffer swap */
 186         GLuint vbl_seq;
 187         GLuint vblank_flags;
 188
 189         int64_t swap_ust;
 190         int64_t swap_missed_ust;
 191
 192         GLuint swap_count;
 193         GLuint swap_missed_count;
 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 void radeonCopySubBuffer(__DRIdrawablePrivate * dPriv,
 207                                 int x, int y, int w, int h);
 208 extern GLboolean radeonInitContext(radeonContextPtr radeon,
 209                                    struct dd_function_table *functions,
 210                                    const __GLcontextModes * glVisual,
 211                                    __DRIcontextPrivate * driContextPriv,
 212                                    void *sharedContextPrivate);
 213 extern void radeonCleanupContext(radeonContextPtr radeon);
 214 extern GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 215                                    __DRIdrawablePrivate * driDrawPriv,
 216                                    __DRIdrawablePrivate * driReadPriv);
 217 extern GLboolean radeonUnbindContext(__DRIcontextPrivate * driContextPriv);
 218
 219 /* ================================================================
 220  * Debugging:
 221  */
 222 #define DO_DEBUG                1
 223
 224 #if DO_DEBUG
 225 extern int RADEON_DEBUG;
 226 #else
 227 #define RADEON_DEBUG            0
 228 #endif
 229
 230 #define DEBUG_TEXTURE   0x0001
 231 #define DEBUG_STATE     0x0002
 232 #define DEBUG_IOCTL     0x0004
 233 #define DEBUG_PRIMS     0x0008
 234 #define DEBUG_VERTS     0x0010
 235 #define DEBUG_FALLBACKS 0x0020
 236 #define DEBUG_VFMT      0x0040
 237 #define DEBUG_CODEGEN   0x0080
 238 #define DEBUG_VERBOSE   0x0100
 239 #define DEBUG_DRI       0x0200
 240 #define DEBUG_DMA       0x0400
 241 #define DEBUG_SANITY    0x0800
 242 #define DEBUG_SYNC      0x1000
 243 #define DEBUG_PIXEL     0x2000
 244 #define DEBUG_MEMORY    0x4000
 245
 246 #endif                          /* __RADEON_CONTEXT_H__ */