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
33 #include "main/mtypes.h"
36 #include "dri_metaops.h"
38 #include "intel_bufmgr.h"
40 #include "intel_screen.h"
41 #include "intel_tex_obj.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)
52 #define DV_PF_4444 (8<<8)
53 #define DV_PF_1555 (9<<8)
58 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
59 intelVertex
*, intelVertex
*);
60 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
62 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
65 * Bits for intel->Fallback field
68 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
69 #define INTEL_FALLBACK_READ_BUFFER 0x2
70 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
71 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
72 #define INTEL_FALLBACK_USER 0x10
73 #define INTEL_FALLBACK_RENDERMODE 0x20
74 #define INTEL_FALLBACK_TEXTURE 0x40
75 #define INTEL_FALLBACK_DRIVER 0x1000 /**< first for drivers */
78 extern void intelFallback(struct intel_context
*intel
, GLbitfield bit
,
80 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
83 #define INTEL_WRITE_PART 0x1
84 #define INTEL_WRITE_FULL 0x2
85 #define INTEL_READ 0x4
87 #define INTEL_MAX_FIXUP 64
89 struct intel_sync_object
{
90 struct gl_sync_object Base
;
92 /** Batch associated with this sync object */
97 * intel_context is derived from Mesa's context class: GLcontext.
101 GLcontext ctx
; /**< base class, must be first field */
105 void (*destroy
) (struct intel_context
* intel
);
106 void (*emit_state
) (struct intel_context
* intel
);
107 void (*finish_batch
) (struct intel_context
* intel
);
108 void (*new_batch
) (struct intel_context
* intel
);
109 void (*emit_invarient_state
) (struct intel_context
* intel
);
110 void (*update_texture_state
) (struct intel_context
* intel
);
112 void (*render_start
) (struct intel_context
* intel
);
113 void (*render_prevalidate
) (struct intel_context
* intel
);
114 void (*set_draw_region
) (struct intel_context
* intel
,
115 struct intel_region
* draw_regions
[],
116 struct intel_region
* depth_region
,
119 void (*reduced_primitive_state
) (struct intel_context
* intel
,
122 GLboolean (*check_vertex_size
) (struct intel_context
* intel
,
124 void (*invalidate_state
) (struct intel_context
*intel
,
127 void (*assert_not_dirty
) (struct intel_context
*intel
);
129 void (*debug_batch
)(struct intel_context
*intel
);
132 struct dri_metaops meta
;
134 GLbitfield Fallback
; /**< mask of INTEL_FALLBACK_x bits */
138 unsigned int maxBatchSize
;
141 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
144 GLboolean needs_ff_sync
;
147 GLboolean has_luminance_srgb
;
151 struct intel_batchbuffer
*batch
;
152 drm_intel_bo
*first_post_swapbuffers_batch
;
153 GLboolean no_batch_wrap
;
154 GLboolean using_dri2_swapbuffers
;
159 uint32_t primitive
; /**< Current hardware primitive type */
160 void (*flush
) (struct intel_context
*);
161 GLubyte
*start_ptr
; /**< for i8xx */
164 unsigned int start_offset
; /**< Byte offset of primitive sequence */
165 unsigned int current_offset
; /**< Byte offset of next vertex */
166 unsigned int count
; /**< Number of vertices in current primitive */
174 /* Offsets of fields within the current vertex:
181 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
182 GLuint vertex_attr_count
;
184 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
186 GLboolean hw_stencil
;
187 GLboolean hw_stipple
;
188 GLboolean depth_buffer_is_float
;
191 GLboolean always_flush_batch
;
192 GLboolean always_flush_cache
;
194 /* 0 - nonconformant, best performance;
195 * 1 - fallback to sw for known conformance bugs
196 * 2 - always fallback to sw
198 GLuint conformance_mode
;
200 /* State for intelvb.c and inteltris.c.
203 GLmatrix ViewportMatrix
;
204 GLenum render_primitive
;
205 GLenum reduced_primitive
;
207 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
209 /* Fallback rasterization functions
211 intel_point_func draw_point
;
212 intel_line_func draw_line
;
213 intel_tri_func draw_tri
;
216 * Set if rendering has occured to the drawable's front buffer.
218 * This is used in the DRI2 case to detect that glFlush should also copy
219 * the contents of the fake front buffer to the real front buffer.
221 GLboolean front_buffer_dirty
;
224 * Track whether front-buffer rendering is currently enabled
226 * A separate flag is used to track this in order to support MRT more
229 GLboolean is_front_buffer_rendering
;
231 * Track whether front-buffer is the current read target.
233 * This is closely associated with is_front_buffer_rendering, but may
234 * be set separately. The DRI2 fake front buffer must be referenced
237 GLboolean is_front_buffer_reading
;
239 GLboolean use_texture_tiling
;
240 GLboolean use_early_z
;
244 __DRIcontext
*driContext
;
245 struct intel_screen
*intelScreen
;
246 void (*saved_viewport
)(GLcontext
* ctx
,
247 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
250 * Configuration cache
252 driOptionCache optionCache
;
255 extern char *__progname
;
258 #define SUBPIXEL_X 0.125
259 #define SUBPIXEL_Y 0.125
261 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
262 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
263 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
265 static INLINE
uint32_t
266 U_FIXED(float value
, uint32_t frac_bits
)
268 value
*= (1 << frac_bits
);
269 return value
< 0 ? 0 : value
;
272 static INLINE
uint32_t
273 S_FIXED(float value
, uint32_t frac_bits
)
275 return value
* (1 << frac_bits
);
278 #define INTEL_FIREVERTICES(intel) \
280 if ((intel)->prim.flush) \
281 (intel)->prim.flush(intel); \
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__)
290 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
293 __asm__
__volatile__(
298 "1:\ttestb $1,%b4\n\t"
302 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
303 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
308 #define __memcpy(a,b,c) memcpy(a,b,c)
312 /* ================================================================
315 extern int INTEL_DEBUG
;
317 #define DEBUG_TEXTURE 0x1
318 #define DEBUG_STATE 0x2
319 #define DEBUG_IOCTL 0x4
320 #define DEBUG_BLIT 0x8
321 #define DEBUG_MIPTREE 0x10
322 #define DEBUG_FALLBACKS 0x20
323 #define DEBUG_VERBOSE 0x40
324 #define DEBUG_BATCH 0x80
325 #define DEBUG_PIXEL 0x100
326 #define DEBUG_BUFMGR 0x200
327 #define DEBUG_REGION 0x400
328 #define DEBUG_FBO 0x800
329 #define DEBUG_LOCK 0x1000
330 #define DEBUG_SYNC 0x2000
331 #define DEBUG_PRIMS 0x4000
332 #define DEBUG_VERTS 0x8000
333 #define DEBUG_DRI 0x10000
334 #define DEBUG_DMA 0x20000
335 #define DEBUG_SANITY 0x40000
336 #define DEBUG_SLEEP 0x80000
337 #define DEBUG_STATS 0x100000
338 #define DEBUG_TILE 0x200000
339 #define DEBUG_SINGLE_THREAD 0x400000
340 #define DEBUG_WM 0x800000
341 #define DEBUG_URB 0x1000000
342 #define DEBUG_VS 0x2000000
343 #define DEBUG_GLSL_FORCE 0x4000000
345 #define DBG(...) do { \
346 if (INTEL_DEBUG & FILE_DEBUG_FLAG) \
347 printf(__VA_ARGS__); \
350 #define PCI_CHIP_845_G 0x2562
351 #define PCI_CHIP_I830_M 0x3577
352 #define PCI_CHIP_I855_GM 0x3582
353 #define PCI_CHIP_I865_G 0x2572
354 #define PCI_CHIP_I915_G 0x2582
355 #define PCI_CHIP_I915_GM 0x2592
356 #define PCI_CHIP_I945_G 0x2772
357 #define PCI_CHIP_I945_GM 0x27A2
358 #define PCI_CHIP_I945_GME 0x27AE
359 #define PCI_CHIP_G33_G 0x29C2
360 #define PCI_CHIP_Q35_G 0x29B2
361 #define PCI_CHIP_Q33_G 0x29D2
364 /* ================================================================
368 extern GLboolean
intelInitContext(struct intel_context
*intel
,
370 const __GLcontextModes
* mesaVis
,
371 __DRIcontext
* driContextPriv
,
372 void *sharedContextPrivate
,
373 struct dd_function_table
*functions
);
375 extern void intelFinish(GLcontext
* ctx
);
376 extern void intel_flush(GLcontext
* ctx
);
378 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
380 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
383 /* ================================================================
386 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
388 #define COMPAREFUNC_ALWAYS 0
389 #define COMPAREFUNC_NEVER 0x1
390 #define COMPAREFUNC_LESS 0x2
391 #define COMPAREFUNC_EQUAL 0x3
392 #define COMPAREFUNC_LEQUAL 0x4
393 #define COMPAREFUNC_GREATER 0x5
394 #define COMPAREFUNC_NOTEQUAL 0x6
395 #define COMPAREFUNC_GEQUAL 0x7
397 #define STENCILOP_KEEP 0
398 #define STENCILOP_ZERO 0x1
399 #define STENCILOP_REPLACE 0x2
400 #define STENCILOP_INCRSAT 0x3
401 #define STENCILOP_DECRSAT 0x4
402 #define STENCILOP_INCR 0x5
403 #define STENCILOP_DECR 0x6
404 #define STENCILOP_INVERT 0x7
406 #define LOGICOP_CLEAR 0
407 #define LOGICOP_NOR 0x1
408 #define LOGICOP_AND_INV 0x2
409 #define LOGICOP_COPY_INV 0x3
410 #define LOGICOP_AND_RVRSE 0x4
411 #define LOGICOP_INV 0x5
412 #define LOGICOP_XOR 0x6
413 #define LOGICOP_NAND 0x7
414 #define LOGICOP_AND 0x8
415 #define LOGICOP_EQUIV 0x9
416 #define LOGICOP_NOOP 0xa
417 #define LOGICOP_OR_INV 0xb
418 #define LOGICOP_COPY 0xc
419 #define LOGICOP_OR_RVRSE 0xd
420 #define LOGICOP_OR 0xe
421 #define LOGICOP_SET 0xf
423 #define BLENDFACT_ZERO 0x01
424 #define BLENDFACT_ONE 0x02
425 #define BLENDFACT_SRC_COLR 0x03
426 #define BLENDFACT_INV_SRC_COLR 0x04
427 #define BLENDFACT_SRC_ALPHA 0x05
428 #define BLENDFACT_INV_SRC_ALPHA 0x06
429 #define BLENDFACT_DST_ALPHA 0x07
430 #define BLENDFACT_INV_DST_ALPHA 0x08
431 #define BLENDFACT_DST_COLR 0x09
432 #define BLENDFACT_INV_DST_COLR 0x0a
433 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
434 #define BLENDFACT_CONST_COLOR 0x0c
435 #define BLENDFACT_INV_CONST_COLOR 0x0d
436 #define BLENDFACT_CONST_ALPHA 0x0e
437 #define BLENDFACT_INV_CONST_ALPHA 0x0f
438 #define BLENDFACT_MASK 0x0f
441 DRI_CONF_BO_REUSE_DISABLED
,
442 DRI_CONF_BO_REUSE_ALL
445 extern int intel_translate_shadow_compare_func(GLenum func
);
446 extern int intel_translate_compare_func(GLenum func
);
447 extern int intel_translate_stencil_op(GLenum op
);
448 extern int intel_translate_blend_factor(GLenum factor
);
449 extern int intel_translate_logic_op(GLenum opcode
);
451 void intel_update_renderbuffers(__DRIcontext
*context
,
452 __DRIdrawable
*drawable
);
453 void intel_prepare_render(struct intel_context
*intel
);
455 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
458 /*======================================================================
459 * Inline conversion functions.
460 * These are better-typed than the macros used previously:
462 static INLINE
struct intel_context
*
463 intel_context(GLcontext
* ctx
)
465 return (struct intel_context
*) ctx
;
468 static INLINE GLboolean
469 is_power_of_two(uint32_t value
)
471 return (value
& (value
- 1)) == 0;