intel_context.h revision fcd1e9dad6949e02380593a166432dbac311c80e 
1/**************************************************************************
2 *
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#ifndef INTELCONTEXT_INC
29#define INTELCONTEXT_INC
30
31
32
33#include "mtypes.h"
34#include "drm.h"
35#include "mm.h"
36#include "texmem.h"
37#include "dri_bufmgr.h"
38
39#include "intel_screen.h"
40#include "intel_tex_obj.h"
41#include "i915_drm.h"
42#include "i830_common.h"
43#include "tnl/t_vertex.h"
44
45#define TAG(x) intel##x
46#include "tnl_dd/t_dd_vertex.h"
47#undef TAG
48
49#define DV_PF_555  (1<<8)
50#define DV_PF_565  (2<<8)
51#define DV_PF_8888 (3<<8)
52
53struct intel_region;
54struct intel_context;
55
56typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
57                                intelVertex *, intelVertex *);
58typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
59                                 intelVertex *);
60typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
61
62#define INTEL_FALLBACK_DRAW_BUFFER	 0x1
63#define INTEL_FALLBACK_READ_BUFFER	 0x2
64#define INTEL_FALLBACK_DEPTH_BUFFER      0x4
65#define INTEL_FALLBACK_STENCIL_BUFFER    0x8
66#define INTEL_FALLBACK_USER		 0x10
67#define INTEL_FALLBACK_RENDERMODE	 0x20
68
69extern void intelFallback(struct intel_context *intel, GLuint bit,
70                          GLboolean mode);
71#define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
72
73
74#define INTEL_WRITE_PART  0x1
75#define INTEL_WRITE_FULL  0x2
76#define INTEL_READ        0x4
77
78#define INTEL_MAX_FIXUP 64
79
80struct intel_context
81{
82   GLcontext ctx;               /* the parent class */
83
84   struct
85   {
86      void (*destroy) (struct intel_context * intel);
87      void (*emit_state) (struct intel_context * intel);
88      void (*lost_hardware) (struct intel_context * intel);
89      void (*update_texture_state) (struct intel_context * intel);
90
91      void (*render_start) (struct intel_context * intel);
92      void (*render_prevalidate) (struct intel_context * intel);
93      void (*set_draw_region) (struct intel_context * intel,
94                               struct intel_region * draw_region,
95                               struct intel_region * depth_region);
96
97        GLuint(*flush_cmd) (void);
98
99      void (*reduced_primitive_state) (struct intel_context * intel,
100                                       GLenum rprim);
101
102        GLboolean(*check_vertex_size) (struct intel_context * intel,
103                                       GLuint expected);
104
105
106      /* Metaops:
107       */
108      void (*install_meta_state) (struct intel_context * intel);
109      void (*leave_meta_state) (struct intel_context * intel);
110
111      void (*meta_draw_region) (struct intel_context * intel,
112                                struct intel_region * draw_region,
113                                struct intel_region * depth_region);
114
115      void (*meta_draw_quad)(struct intel_context *intel,
116			     GLfloat x0, GLfloat x1,
117			     GLfloat y0, GLfloat y1,
118			     GLfloat z,
119			     GLuint color, /* ARGB32 */
120			     GLfloat s0, GLfloat s1,
121			     GLfloat t0, GLfloat t1);
122
123      void (*meta_color_mask) (struct intel_context * intel, GLboolean);
124
125      void (*meta_stencil_replace) (struct intel_context * intel,
126                                    GLuint mask, GLuint clear);
127
128      void (*meta_depth_replace) (struct intel_context * intel);
129
130      void (*meta_texture_blend_replace) (struct intel_context * intel);
131
132      void (*meta_no_stencil_write) (struct intel_context * intel);
133      void (*meta_no_depth_write) (struct intel_context * intel);
134      void (*meta_no_texture) (struct intel_context * intel);
135
136      void (*meta_import_pixel_state) (struct intel_context * intel);
137
138      GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
139					dri_bo * buffer,
140					GLuint offset,
141					GLuint pitch,
142					GLuint height,
143					GLenum format, GLenum type);
144
145      void (*assert_not_dirty) (struct intel_context *intel);
146
147      void (*debug_batch)(struct intel_context *intel);
148   } vtbl;
149
150   GLint refcount;
151   GLuint Fallback;
152   GLuint NewGLState;
153
154   dri_bufmgr *bufmgr;
155   unsigned int maxBatchSize;
156
157   struct intel_region *front_region;
158   struct intel_region *back_region;
159   struct intel_region *third_region;
160   struct intel_region *depth_region;
161
162   /**
163    * This value indicates that the kernel memory manager is being used
164    * instead of the fake client-side memory manager.
165    */
166   GLboolean ttm;
167
168   dri_fence *last_swap_fence;
169   dri_fence *first_swap_fence;
170
171   struct intel_batchbuffer *batch;
172   unsigned batch_id;
173   GLuint last_state_batch_id;
174
175   struct
176   {
177      GLuint id;
178      GLuint primitive;
179      GLubyte *start_ptr;
180      void (*flush) (struct intel_context *);
181   } prim;
182
183   GLboolean locked;
184   char *prevLockFile;
185   int prevLockLine;
186
187   GLuint ClearColor565;
188   GLuint ClearColor8888;
189
190   /* Offsets of fields within the current vertex:
191    */
192   GLuint coloroffset;
193   GLuint specoffset;
194   GLuint wpos_offset;
195   GLuint wpos_size;
196
197   struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
198   GLuint vertex_attr_count;
199
200   GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
201
202   GLboolean hw_stipple;
203   GLboolean strict_conformance;
204
205   /* State for intelvb.c and inteltris.c.
206    */
207   GLuint RenderIndex;
208   GLmatrix ViewportMatrix;
209   GLenum render_primitive;
210   GLenum reduced_primitive;
211   GLuint vertex_size;
212   GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
213
214   /* Fallback rasterization functions
215    */
216   intel_point_func draw_point;
217   intel_line_func draw_line;
218   intel_tri_func draw_tri;
219
220   /* These refer to the current drawing buffer:
221    */
222   int drawX, drawY;            /**< origin of drawing area within region */
223   GLuint numClipRects;         /**< cliprects for drawing */
224   drm_clip_rect_t *pClipRects;
225   drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
226
227   int perf_boxes;
228
229   GLuint do_usleeps;
230   int do_irqs;
231   GLuint irqsEmitted;
232
233   drm_context_t hHWContext;
234   drmLock *driHwLock;
235   int driFd;
236
237   __DRIdrawablePrivate *driDrawable;
238   __DRIscreenPrivate *driScreen;
239   intelScreenPrivate *intelScreen;
240   drmI830Sarea *sarea;
241
242   GLuint lastStamp;
243
244   /**
245    * Configuration cache
246    */
247   driOptionCache optionCache;
248
249   /* Last seen width/height of the screen */
250   int width;
251   int height;
252};
253
254/* These are functions now:
255 */
256void LOCK_HARDWARE( struct intel_context *intel );
257void UNLOCK_HARDWARE( struct intel_context *intel );
258
259extern char *__progname;
260
261
262#define SUBPIXEL_X 0.125
263#define SUBPIXEL_Y 0.125
264
265#define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
266
267#define INTEL_FIREVERTICES(intel)		\
268do {						\
269   if ((intel)->prim.flush)			\
270      (intel)->prim.flush(intel);		\
271} while (0)
272
273/* ================================================================
274 * Color packing:
275 */
276
277#define INTEL_PACKCOLOR4444(r,g,b,a) \
278  ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
279
280#define INTEL_PACKCOLOR1555(r,g,b,a) \
281  ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
282    ((a) ? 0x8000 : 0))
283
284#define INTEL_PACKCOLOR565(r,g,b) \
285  ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
286
287#define INTEL_PACKCOLOR8888(r,g,b,a) \
288  ((a<<24) | (r<<16) | (g<<8) | b)
289
290
291
292/* ================================================================
293 * From linux kernel i386 header files, copes with odd sizes better
294 * than COPY_DWORDS would:
295 * XXX Put this in src/mesa/main/imports.h ???
296 */
297#if defined(i386) || defined(__i386__)
298static INLINE void *
299__memcpy(void *to, const void *from, size_t n)
300{
301   int d0, d1, d2;
302   __asm__ __volatile__("rep ; movsl\n\t"
303                        "testb $2,%b4\n\t"
304                        "je 1f\n\t"
305                        "movsw\n"
306                        "1:\ttestb $1,%b4\n\t"
307                        "je 2f\n\t"
308                        "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
309                        :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
310                        :"memory");
311   return (to);
312}
313#else
314#define __memcpy(a,b,c) memcpy(a,b,c)
315#endif
316
317
318
319/* ================================================================
320 * Debugging:
321 */
322#define DO_DEBUG		1
323#if DO_DEBUG
324extern int INTEL_DEBUG;
325#else
326#define INTEL_DEBUG		0
327#endif
328
329#define DEBUG_TEXTURE	0x1
330#define DEBUG_STATE	0x2
331#define DEBUG_IOCTL	0x4
332#define DEBUG_BLIT	0x8
333#define DEBUG_MIPTREE   0x10
334#define DEBUG_FALLBACKS	0x20
335#define DEBUG_VERBOSE	0x40
336#define DEBUG_BATCH     0x80
337#define DEBUG_PIXEL     0x100
338#define DEBUG_BUFMGR    0x200
339#define DEBUG_REGION    0x400
340#define DEBUG_FBO       0x800
341#define DEBUG_LOCK      0x1000
342#define DEBUG_SYNC	0x2000
343
344#define DBG(...)  do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0)
345
346
347#define PCI_CHIP_845_G			0x2562
348#define PCI_CHIP_I830_M			0x3577
349#define PCI_CHIP_I855_GM		0x3582
350#define PCI_CHIP_I865_G			0x2572
351#define PCI_CHIP_I915_G			0x2582
352#define PCI_CHIP_I915_GM		0x2592
353#define PCI_CHIP_I945_G			0x2772
354#define PCI_CHIP_I945_GM		0x27A2
355#define PCI_CHIP_I945_GME		0x27AE
356#define PCI_CHIP_G33_G			0x29C2
357#define PCI_CHIP_Q35_G			0x29B2
358#define PCI_CHIP_Q33_G			0x29D2
359
360
361/* ================================================================
362 * intel_context.c:
363 */
364
365extern GLboolean intelInitContext(struct intel_context *intel,
366                                  const __GLcontextModes * mesaVis,
367                                  __DRIcontextPrivate * driContextPriv,
368                                  void *sharedContextPrivate,
369                                  struct dd_function_table *functions);
370
371extern void intelGetLock(struct intel_context *intel, GLuint flags);
372
373extern void intelFinish(GLcontext * ctx);
374extern void intelFlush(GLcontext * ctx);
375
376extern void intelInitDriverFunctions(struct dd_function_table *functions);
377
378
379/* ================================================================
380 * intel_state.c:
381 */
382extern void intelInitStateFuncs(struct dd_function_table *functions);
383
384#define COMPAREFUNC_ALWAYS		0
385#define COMPAREFUNC_NEVER		0x1
386#define COMPAREFUNC_LESS		0x2
387#define COMPAREFUNC_EQUAL		0x3
388#define COMPAREFUNC_LEQUAL		0x4
389#define COMPAREFUNC_GREATER		0x5
390#define COMPAREFUNC_NOTEQUAL		0x6
391#define COMPAREFUNC_GEQUAL		0x7
392
393#define STENCILOP_KEEP			0
394#define STENCILOP_ZERO			0x1
395#define STENCILOP_REPLACE		0x2
396#define STENCILOP_INCRSAT		0x3
397#define STENCILOP_DECRSAT		0x4
398#define STENCILOP_INCR			0x5
399#define STENCILOP_DECR			0x6
400#define STENCILOP_INVERT		0x7
401
402#define LOGICOP_CLEAR			0
403#define LOGICOP_NOR			0x1
404#define LOGICOP_AND_INV 		0x2
405#define LOGICOP_COPY_INV		0x3
406#define LOGICOP_AND_RVRSE		0x4
407#define LOGICOP_INV			0x5
408#define LOGICOP_XOR			0x6
409#define LOGICOP_NAND			0x7
410#define LOGICOP_AND			0x8
411#define LOGICOP_EQUIV			0x9
412#define LOGICOP_NOOP			0xa
413#define LOGICOP_OR_INV			0xb
414#define LOGICOP_COPY			0xc
415#define LOGICOP_OR_RVRSE		0xd
416#define LOGICOP_OR			0xe
417#define LOGICOP_SET			0xf
418
419#define BLENDFACT_ZERO			0x01
420#define BLENDFACT_ONE			0x02
421#define BLENDFACT_SRC_COLR		0x03
422#define BLENDFACT_INV_SRC_COLR 		0x04
423#define BLENDFACT_SRC_ALPHA		0x05
424#define BLENDFACT_INV_SRC_ALPHA 	0x06
425#define BLENDFACT_DST_ALPHA		0x07
426#define BLENDFACT_INV_DST_ALPHA 	0x08
427#define BLENDFACT_DST_COLR		0x09
428#define BLENDFACT_INV_DST_COLR		0x0a
429#define BLENDFACT_SRC_ALPHA_SATURATE	0x0b
430#define BLENDFACT_CONST_COLOR		0x0c
431#define BLENDFACT_INV_CONST_COLOR	0x0d
432#define BLENDFACT_CONST_ALPHA		0x0e
433#define BLENDFACT_INV_CONST_ALPHA	0x0f
434#define BLENDFACT_MASK          	0x0f
435
436extern int intel_translate_compare_func(GLenum func);
437extern int intel_translate_stencil_op(GLenum op);
438extern int intel_translate_blend_factor(GLenum factor);
439extern int intel_translate_logic_op(GLenum opcode);
440
441
442/*======================================================================
443 * Inline conversion functions.
444 * These are better-typed than the macros used previously:
445 */
446static INLINE struct intel_context *
447intel_context(GLcontext * ctx)
448{
449   return (struct intel_context *) ctx;
450}
451
452#endif
453