1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 #ifndef INTELCONTEXT_INC
29 #define INTELCONTEXT_INC
37 #include "dri_bufmgr.h"
39 #include "intel_screen.h"
40 #include "intel_tex_obj.h"
42 #include "i830_common.h"
43 #include "tnl/t_vertex.h"
45 #define TAG(x) intel##x
46 #include "tnl_dd/t_dd_vertex.h"
49 #define DV_PF_555 (1<<8)
50 #define DV_PF_565 (2<<8)
51 #define DV_PF_8888 (3<<8)
56 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
57 intelVertex
*, intelVertex
*);
58 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
60 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
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
69 extern void intelFallback(struct intel_context
*intel
, GLuint bit
,
71 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
74 #define INTEL_WRITE_PART 0x1
75 #define INTEL_WRITE_FULL 0x2
76 #define INTEL_READ 0x4
78 #define INTEL_MAX_FIXUP 64
82 GLcontext ctx
; /* the parent class */
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
);
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
);
97 GLuint(*flush_cmd
) (void);
99 void (*reduced_primitive_state
) (struct intel_context
* intel
,
102 GLboolean(*check_vertex_size
) (struct intel_context
* intel
,
108 void (*install_meta_state
) (struct intel_context
* intel
);
109 void (*leave_meta_state
) (struct intel_context
* intel
);
111 void (*meta_draw_region
) (struct intel_context
* intel
,
112 struct intel_region
* draw_region
,
113 struct intel_region
* depth_region
);
115 void (*meta_color_mask
) (struct intel_context
* intel
, GLboolean
);
117 void (*meta_stencil_replace
) (struct intel_context
* intel
,
118 GLuint mask
, GLuint clear
);
120 void (*meta_depth_replace
) (struct intel_context
* intel
);
122 void (*meta_texture_blend_replace
) (struct intel_context
* intel
);
124 void (*meta_no_stencil_write
) (struct intel_context
* intel
);
125 void (*meta_no_depth_write
) (struct intel_context
* intel
);
126 void (*meta_no_texture
) (struct intel_context
* intel
);
128 void (*meta_import_pixel_state
) (struct intel_context
* intel
);
130 GLboolean(*meta_tex_rect_source
) (struct intel_context
* intel
,
135 GLenum format
, GLenum type
);
137 void (*assert_not_dirty
) (struct intel_context
*intel
);
139 void (*debug_batch
)(struct intel_context
*intel
);
147 unsigned int maxBatchSize
;
149 struct intel_region
*front_region
;
150 struct intel_region
*back_region
;
151 struct intel_region
*third_region
;
152 struct intel_region
*depth_region
;
155 * This value indicates that the kernel memory manager is being used
156 * instead of the fake client-side memory manager.
160 dri_fence
*last_swap_fence
;
161 dri_fence
*first_swap_fence
;
163 struct intel_batchbuffer
*batch
;
165 GLuint last_state_batch_id
;
172 void (*flush
) (struct intel_context
*);
179 GLuint ClearColor565
;
180 GLuint ClearColor8888
;
182 /* Offsets of fields within the current vertex:
189 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
190 GLuint vertex_attr_count
;
192 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
194 GLboolean hw_stipple
;
195 GLboolean strict_conformance
;
197 /* State for intelvb.c and inteltris.c.
200 GLmatrix ViewportMatrix
;
201 GLenum render_primitive
;
202 GLenum reduced_primitive
;
204 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
206 /* Fallback rasterization functions
208 intel_point_func draw_point
;
209 intel_line_func draw_line
;
210 intel_tri_func draw_tri
;
212 /* These refer to the current drawing buffer:
214 int drawX
, drawY
; /**< origin of drawing area within region */
215 GLuint numClipRects
; /**< cliprects for drawing */
216 drm_clip_rect_t
*pClipRects
;
217 drm_clip_rect_t fboRect
; /**< cliprect for FBO rendering */
225 drm_context_t hHWContext
;
229 __DRIdrawablePrivate
*driDrawable
;
230 __DRIscreenPrivate
*driScreen
;
231 intelScreenPrivate
*intelScreen
;
237 * Configuration cache
239 driOptionCache optionCache
;
241 /* Last seen width/height of the screen */
246 /* These are functions now:
248 void LOCK_HARDWARE( struct intel_context
*intel
);
249 void UNLOCK_HARDWARE( struct intel_context
*intel
);
251 extern char *__progname
;
254 #define SUBPIXEL_X 0.125
255 #define SUBPIXEL_Y 0.125
257 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
259 #define INTEL_FIREVERTICES(intel) \
261 if ((intel)->prim.flush) \
262 (intel)->prim.flush(intel); \
265 /* ================================================================
269 #define INTEL_PACKCOLOR4444(r,g,b,a) \
270 ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
272 #define INTEL_PACKCOLOR1555(r,g,b,a) \
273 ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
276 #define INTEL_PACKCOLOR565(r,g,b) \
277 ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
279 #define INTEL_PACKCOLOR8888(r,g,b,a) \
280 ((a<<24) | (r<<16) | (g<<8) | b)
284 /* ================================================================
285 * From linux kernel i386 header files, copes with odd sizes better
286 * than COPY_DWORDS would:
287 * XXX Put this in src/mesa/main/imports.h ???
289 #if defined(i386) || defined(__i386__)
291 __memcpy(void *to
, const void *from
, size_t n
)
294 __asm__
__volatile__("rep ; movsl\n\t"
298 "1:\ttestb $1,%b4\n\t"
300 "movsb\n" "2:":"=&c"(d0
), "=&D"(d1
), "=&S"(d2
)
301 :"0"(n
/ 4), "q"(n
), "1"((long) to
), "2"((long) from
)
306 #define __memcpy(a,b,c) memcpy(a,b,c)
311 /* ================================================================
316 extern int INTEL_DEBUG
;
318 #define INTEL_DEBUG 0
321 #define DEBUG_TEXTURE 0x1
322 #define DEBUG_STATE 0x2
323 #define DEBUG_IOCTL 0x4
324 #define DEBUG_BLIT 0x8
325 #define DEBUG_MIPTREE 0x10
326 #define DEBUG_FALLBACKS 0x20
327 #define DEBUG_VERBOSE 0x40
328 #define DEBUG_BATCH 0x80
329 #define DEBUG_PIXEL 0x100
330 #define DEBUG_BUFMGR 0x200
331 #define DEBUG_REGION 0x400
332 #define DEBUG_FBO 0x800
333 #define DEBUG_LOCK 0x1000
334 #define DEBUG_SYNC 0x2000
336 #define DBG(...) do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0)
339 #define PCI_CHIP_845_G 0x2562
340 #define PCI_CHIP_I830_M 0x3577
341 #define PCI_CHIP_I855_GM 0x3582
342 #define PCI_CHIP_I865_G 0x2572
343 #define PCI_CHIP_I915_G 0x2582
344 #define PCI_CHIP_I915_GM 0x2592
345 #define PCI_CHIP_I945_G 0x2772
346 #define PCI_CHIP_I945_GM 0x27A2
347 #define PCI_CHIP_I945_GME 0x27AE
348 #define PCI_CHIP_G33_G 0x29C2
349 #define PCI_CHIP_Q35_G 0x29B2
350 #define PCI_CHIP_Q33_G 0x29D2
353 /* ================================================================
357 extern GLboolean
intelInitContext(struct intel_context
*intel
,
358 const __GLcontextModes
* mesaVis
,
359 __DRIcontextPrivate
* driContextPriv
,
360 void *sharedContextPrivate
,
361 struct dd_function_table
*functions
);
363 extern void intelGetLock(struct intel_context
*intel
, GLuint flags
);
365 extern void intelFinish(GLcontext
* ctx
);
366 extern void intelFlush(GLcontext
* ctx
);
368 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
371 /* ================================================================
374 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
376 #define COMPAREFUNC_ALWAYS 0
377 #define COMPAREFUNC_NEVER 0x1
378 #define COMPAREFUNC_LESS 0x2
379 #define COMPAREFUNC_EQUAL 0x3
380 #define COMPAREFUNC_LEQUAL 0x4
381 #define COMPAREFUNC_GREATER 0x5
382 #define COMPAREFUNC_NOTEQUAL 0x6
383 #define COMPAREFUNC_GEQUAL 0x7
385 #define STENCILOP_KEEP 0
386 #define STENCILOP_ZERO 0x1
387 #define STENCILOP_REPLACE 0x2
388 #define STENCILOP_INCRSAT 0x3
389 #define STENCILOP_DECRSAT 0x4
390 #define STENCILOP_INCR 0x5
391 #define STENCILOP_DECR 0x6
392 #define STENCILOP_INVERT 0x7
394 #define LOGICOP_CLEAR 0
395 #define LOGICOP_NOR 0x1
396 #define LOGICOP_AND_INV 0x2
397 #define LOGICOP_COPY_INV 0x3
398 #define LOGICOP_AND_RVRSE 0x4
399 #define LOGICOP_INV 0x5
400 #define LOGICOP_XOR 0x6
401 #define LOGICOP_NAND 0x7
402 #define LOGICOP_AND 0x8
403 #define LOGICOP_EQUIV 0x9
404 #define LOGICOP_NOOP 0xa
405 #define LOGICOP_OR_INV 0xb
406 #define LOGICOP_COPY 0xc
407 #define LOGICOP_OR_RVRSE 0xd
408 #define LOGICOP_OR 0xe
409 #define LOGICOP_SET 0xf
411 #define BLENDFACT_ZERO 0x01
412 #define BLENDFACT_ONE 0x02
413 #define BLENDFACT_SRC_COLR 0x03
414 #define BLENDFACT_INV_SRC_COLR 0x04
415 #define BLENDFACT_SRC_ALPHA 0x05
416 #define BLENDFACT_INV_SRC_ALPHA 0x06
417 #define BLENDFACT_DST_ALPHA 0x07
418 #define BLENDFACT_INV_DST_ALPHA 0x08
419 #define BLENDFACT_DST_COLR 0x09
420 #define BLENDFACT_INV_DST_COLR 0x0a
421 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
422 #define BLENDFACT_CONST_COLOR 0x0c
423 #define BLENDFACT_INV_CONST_COLOR 0x0d
424 #define BLENDFACT_CONST_ALPHA 0x0e
425 #define BLENDFACT_INV_CONST_ALPHA 0x0f
426 #define BLENDFACT_MASK 0x0f
428 extern int intel_translate_compare_func(GLenum func
);
429 extern int intel_translate_stencil_op(GLenum op
);
430 extern int intel_translate_blend_factor(GLenum factor
);
431 extern int intel_translate_logic_op(GLenum opcode
);
434 /*======================================================================
435 * Inline conversion functions.
436 * These are better-typed than the macros used previously:
438 static INLINE
struct intel_context
*
439 intel_context(GLcontext
* ctx
)
441 return (struct intel_context
*) ctx
;