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
38 #include "intel_screen.h"
40 #include "i830_common.h"
41 #include "tnl/t_vertex.h"
43 #define TAG(x) intel##x
44 #include "tnl_dd/t_dd_vertex.h"
47 #define DV_PF_555 (1<<8)
48 #define DV_PF_565 (2<<8)
49 #define DV_PF_8888 (3<<8)
54 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
55 intelVertex
*, intelVertex
*);
56 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
58 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
60 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
61 #define INTEL_FALLBACK_READ_BUFFER 0x2
62 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
63 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
64 #define INTEL_FALLBACK_USER 0x10
65 #define INTEL_FALLBACK_RENDERMODE 0x20
67 extern void intelFallback(struct intel_context
*intel
, GLuint bit
,
69 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
72 #define INTEL_WRITE_PART 0x1
73 #define INTEL_WRITE_FULL 0x2
74 #define INTEL_READ 0x4
76 struct intel_texture_object
78 struct gl_texture_object base
; /* The "parent" object */
80 /* The mipmap tree must include at least these levels once
86 /* Offset for firstLevel image:
90 /* On validation any active images held in main memory or in other
91 * regions will be copied to this region and the old storage freed.
93 struct intel_mipmap_tree
*mt
;
95 GLboolean imageOverride
;
102 struct intel_texture_image
104 struct gl_texture_image base
;
106 /* These aren't stored in gl_texture_image
111 /* If intelImage->mt != NULL, image data is stored here.
112 * Else if intelImage->base.Data != NULL, image is stored there.
113 * Else there is no image data.
115 struct intel_mipmap_tree
*mt
;
119 #define INTEL_MAX_FIXUP 64
123 GLcontext ctx
; /* the parent class */
127 void (*destroy
) (struct intel_context
* intel
);
128 void (*emit_state
) (struct intel_context
* intel
);
129 void (*lost_hardware
) (struct intel_context
* intel
);
130 void (*update_texture_state
) (struct intel_context
* intel
);
132 void (*render_start
) (struct intel_context
* intel
);
133 void (*render_prevalidate
) (struct intel_context
* intel
);
134 void (*set_draw_region
) (struct intel_context
* intel
,
135 struct intel_region
* draw_region
,
136 struct intel_region
* depth_region
);
138 GLuint(*flush_cmd
) (void);
140 void (*reduced_primitive_state
) (struct intel_context
* intel
,
143 GLboolean(*check_vertex_size
) (struct intel_context
* intel
,
149 void (*install_meta_state
) (struct intel_context
* intel
);
150 void (*leave_meta_state
) (struct intel_context
* intel
);
152 void (*meta_draw_region
) (struct intel_context
* intel
,
153 struct intel_region
* draw_region
,
154 struct intel_region
* depth_region
);
156 void (*meta_color_mask
) (struct intel_context
* intel
, GLboolean
);
158 void (*meta_stencil_replace
) (struct intel_context
* intel
,
159 GLuint mask
, GLuint clear
);
161 void (*meta_depth_replace
) (struct intel_context
* intel
);
163 void (*meta_texture_blend_replace
) (struct intel_context
* intel
);
165 void (*meta_no_stencil_write
) (struct intel_context
* intel
);
166 void (*meta_no_depth_write
) (struct intel_context
* intel
);
167 void (*meta_no_texture
) (struct intel_context
* intel
);
169 void (*meta_import_pixel_state
) (struct intel_context
* intel
);
171 GLboolean(*meta_tex_rect_source
) (struct intel_context
* intel
,
176 GLenum format
, GLenum type
);
178 void (*assert_not_dirty
) (struct intel_context
*intel
);
186 dri_fence
*last_swap_fence
;
187 dri_fence
*first_swap_fence
;
189 struct intel_batchbuffer
*batch
;
196 void (*flush
) (struct intel_context
*);
203 GLuint ClearColor565
;
204 GLuint ClearColor8888
;
206 /* Offsets of fields within the current vertex:
213 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
214 GLuint vertex_attr_count
;
216 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
218 GLboolean hw_stipple
;
219 GLboolean strict_conformance
;
221 /* State for intelvb.c and inteltris.c.
224 GLmatrix ViewportMatrix
;
225 GLenum render_primitive
;
226 GLenum reduced_primitive
;
228 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
230 /* Fallback rasterization functions
232 intel_point_func draw_point
;
233 intel_line_func draw_line
;
234 intel_tri_func draw_tri
;
236 /* These refer to the current drawing buffer:
238 int drawX
, drawY
; /**< origin of drawing area within region */
239 GLuint numClipRects
; /**< cliprects for drawing */
240 drm_clip_rect_t
*pClipRects
;
241 drm_clip_rect_t fboRect
; /**< cliprect for FBO rendering */
249 drm_context_t hHWContext
;
253 __DRIdrawablePrivate
*driDrawable
;
254 __DRIscreenPrivate
*driScreen
;
255 intelScreenPrivate
*intelScreen
;
261 * Configuration cache
263 driOptionCache optionCache
;
265 /* Last seen width/height of the screen */
270 /* These are functions now:
272 void LOCK_HARDWARE( struct intel_context
*intel
);
273 void UNLOCK_HARDWARE( struct intel_context
*intel
);
275 extern char *__progname
;
278 #define SUBPIXEL_X 0.125
279 #define SUBPIXEL_Y 0.125
281 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
283 #define INTEL_FIREVERTICES(intel) \
285 if ((intel)->prim.flush) \
286 (intel)->prim.flush(intel); \
289 /* ================================================================
293 #define INTEL_PACKCOLOR4444(r,g,b,a) \
294 ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
296 #define INTEL_PACKCOLOR1555(r,g,b,a) \
297 ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
300 #define INTEL_PACKCOLOR565(r,g,b) \
301 ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
303 #define INTEL_PACKCOLOR8888(r,g,b,a) \
304 ((a<<24) | (r<<16) | (g<<8) | b)
308 /* ================================================================
309 * From linux kernel i386 header files, copes with odd sizes better
310 * than COPY_DWORDS would:
311 * XXX Put this in src/mesa/main/imports.h ???
313 #if defined(i386) || defined(__i386__)
315 __memcpy(void *to
, const void *from
, size_t n
)
318 __asm__
__volatile__("rep ; movsl\n\t"
322 "1:\ttestb $1,%b4\n\t"
324 "movsb\n" "2:":"=&c"(d0
), "=&D"(d1
), "=&S"(d2
)
325 :"0"(n
/ 4), "q"(n
), "1"((long) to
), "2"((long) from
)
330 #define __memcpy(a,b,c) memcpy(a,b,c)
335 /* ================================================================
340 extern int INTEL_DEBUG
;
342 #define INTEL_DEBUG 0
345 #define DEBUG_TEXTURE 0x1
346 #define DEBUG_STATE 0x2
347 #define DEBUG_IOCTL 0x4
348 #define DEBUG_BLIT 0x8
349 #define DEBUG_MIPTREE 0x10
350 #define DEBUG_FALLBACKS 0x20
351 #define DEBUG_VERBOSE 0x40
352 #define DEBUG_BATCH 0x80
353 #define DEBUG_PIXEL 0x100
354 #define DEBUG_BUFMGR 0x200
355 #define DEBUG_REGION 0x400
356 #define DEBUG_FBO 0x800
357 #define DEBUG_LOCK 0x1000
359 #define DBG(...) do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0)
362 #define PCI_CHIP_845_G 0x2562
363 #define PCI_CHIP_I830_M 0x3577
364 #define PCI_CHIP_I855_GM 0x3582
365 #define PCI_CHIP_I865_G 0x2572
366 #define PCI_CHIP_I915_G 0x2582
367 #define PCI_CHIP_I915_GM 0x2592
368 #define PCI_CHIP_I945_G 0x2772
369 #define PCI_CHIP_I945_GM 0x27A2
370 #define PCI_CHIP_I945_GME 0x27AE
371 #define PCI_CHIP_G33_G 0x29C2
372 #define PCI_CHIP_Q35_G 0x29B2
373 #define PCI_CHIP_Q33_G 0x29D2
376 /* ================================================================
380 extern GLboolean
intelInitContext(struct intel_context
*intel
,
381 const __GLcontextModes
* mesaVis
,
382 __DRIcontextPrivate
* driContextPriv
,
383 void *sharedContextPrivate
,
384 struct dd_function_table
*functions
);
386 extern void intelGetLock(struct intel_context
*intel
, GLuint flags
);
388 extern void intelFinish(GLcontext
* ctx
);
389 extern void intelFlush(GLcontext
* ctx
);
391 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
394 /* ================================================================
397 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
399 #define COMPAREFUNC_ALWAYS 0
400 #define COMPAREFUNC_NEVER 0x1
401 #define COMPAREFUNC_LESS 0x2
402 #define COMPAREFUNC_EQUAL 0x3
403 #define COMPAREFUNC_LEQUAL 0x4
404 #define COMPAREFUNC_GREATER 0x5
405 #define COMPAREFUNC_NOTEQUAL 0x6
406 #define COMPAREFUNC_GEQUAL 0x7
408 #define STENCILOP_KEEP 0
409 #define STENCILOP_ZERO 0x1
410 #define STENCILOP_REPLACE 0x2
411 #define STENCILOP_INCRSAT 0x3
412 #define STENCILOP_DECRSAT 0x4
413 #define STENCILOP_INCR 0x5
414 #define STENCILOP_DECR 0x6
415 #define STENCILOP_INVERT 0x7
417 #define LOGICOP_CLEAR 0
418 #define LOGICOP_NOR 0x1
419 #define LOGICOP_AND_INV 0x2
420 #define LOGICOP_COPY_INV 0x3
421 #define LOGICOP_AND_RVRSE 0x4
422 #define LOGICOP_INV 0x5
423 #define LOGICOP_XOR 0x6
424 #define LOGICOP_NAND 0x7
425 #define LOGICOP_AND 0x8
426 #define LOGICOP_EQUIV 0x9
427 #define LOGICOP_NOOP 0xa
428 #define LOGICOP_OR_INV 0xb
429 #define LOGICOP_COPY 0xc
430 #define LOGICOP_OR_RVRSE 0xd
431 #define LOGICOP_OR 0xe
432 #define LOGICOP_SET 0xf
434 #define BLENDFACT_ZERO 0x01
435 #define BLENDFACT_ONE 0x02
436 #define BLENDFACT_SRC_COLR 0x03
437 #define BLENDFACT_INV_SRC_COLR 0x04
438 #define BLENDFACT_SRC_ALPHA 0x05
439 #define BLENDFACT_INV_SRC_ALPHA 0x06
440 #define BLENDFACT_DST_ALPHA 0x07
441 #define BLENDFACT_INV_DST_ALPHA 0x08
442 #define BLENDFACT_DST_COLR 0x09
443 #define BLENDFACT_INV_DST_COLR 0x0a
444 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
445 #define BLENDFACT_CONST_COLOR 0x0c
446 #define BLENDFACT_INV_CONST_COLOR 0x0d
447 #define BLENDFACT_CONST_ALPHA 0x0e
448 #define BLENDFACT_INV_CONST_ALPHA 0x0f
449 #define BLENDFACT_MASK 0x0f
451 extern int intel_translate_compare_func(GLenum func
);
452 extern int intel_translate_stencil_op(GLenum op
);
453 extern int intel_translate_blend_factor(GLenum factor
);
454 extern int intel_translate_logic_op(GLenum opcode
);
457 /*======================================================================
458 * Inline conversion functions.
459 * These are better-typed than the macros used previously:
461 static INLINE
struct intel_context
*
462 intel_context(GLcontext
* ctx
)
464 return (struct intel_context
*) ctx
;
467 static INLINE
struct intel_texture_object
*
468 intel_texture_object(struct gl_texture_object
*obj
)
470 return (struct intel_texture_object
*) obj
;
473 static INLINE
struct intel_texture_image
*
474 intel_texture_image(struct gl_texture_image
*img
)
476 return (struct intel_texture_image
*) img
;
479 extern struct intel_renderbuffer
*intel_renderbuffer(struct gl_renderbuffer