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
34 #include "main/mtypes.h"
39 /* Evil hack for using libdrm in a c++ compiler. */
44 #include "intel_bufmgr.h"
46 #include "intel_screen.h"
47 #include "intel_tex_obj.h"
54 #include "tnl/t_vertex.h"
59 #define INTEL_WRITE_PART 0x1
60 #define INTEL_WRITE_FULL 0x2
61 #define INTEL_READ 0x4
65 #define likely(expr) (__builtin_expect(expr, 1))
66 #define unlikely(expr) (__builtin_expect(expr, 0))
68 #define likely(expr) (expr)
69 #define unlikely(expr) (expr)
73 struct intel_sync_object
{
74 struct gl_sync_object Base
;
76 /** Batch associated with this sync object */
82 struct intel_batchbuffer
{
83 /** Current batchbuffer being queued up. */
85 /** Last BO submitted to the hardware. Used for glFinish(). */
86 drm_intel_bo
*last_bo
;
87 /** BO for post-sync nonzero writes for gen6 workaround. */
88 drm_intel_bo
*workaround_bo
;
89 bool need_workaround_flush
;
91 struct cached_batch_item
*cached_items
;
94 uint16_t used
, reserved_space
;
97 #define BATCH_SZ (8192*sizeof(uint32_t))
99 uint32_t state_batch_offset
;
101 bool needs_sol_reset
;
110 * intel_context is derived from Mesa's context class: struct gl_context.
114 struct gl_context ctx
; /**< base class, must be first field */
121 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
128 bool has_separate_stencil
;
129 bool must_use_separate_stencil
;
134 drm_intel_context
*hw_ctx
;
136 struct intel_batchbuffer batch
;
138 drm_intel_bo
*first_post_swapbuffers_batch
;
143 * Set if we're either a debug context or the INTEL_DEBUG=perf environment
144 * variable is set, this is the flag indicating to do expensive work that
145 * might lead to a perf_debug() call.
153 uint32_t buffer_offset
;
157 uint32_t max_gtt_map_object_size
;
163 __DRIcontext
*driContext
;
164 struct intel_screen
*intelScreen
;
168 * Align a value down to an alignment value
170 * If \c value is not already aligned to the requested alignment value, it
171 * will be rounded down.
173 * \param value Value to be rounded
174 * \param alignment Alignment value to be used. This must be a power of two.
178 #define ROUND_DOWN_TO(value, alignment) ((value) & ~(alignment - 1))
180 static INLINE
uint32_t
181 U_FIXED(float value
, uint32_t frac_bits
)
183 value
*= (1 << frac_bits
);
184 return value
< 0 ? 0 : value
;
187 static INLINE
uint32_t
188 S_FIXED(float value
, uint32_t frac_bits
)
190 return value
* (1 << frac_bits
);
193 /* ================================================================
194 * From linux kernel i386 header files, copes with odd sizes better
195 * than COPY_DWORDS would:
196 * XXX Put this in src/mesa/main/imports.h ???
198 #if defined(i386) || defined(__i386__)
199 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
202 __asm__
__volatile__(
207 "1:\ttestb $1,%b4\n\t"
211 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
212 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
217 #define __memcpy(a,b,c) memcpy(a,b,c)
221 /* ================================================================
224 extern int INTEL_DEBUG
;
226 #define DEBUG_TEXTURE 0x1
227 #define DEBUG_STATE 0x2
228 #define DEBUG_IOCTL 0x4
229 #define DEBUG_BLIT 0x8
230 #define DEBUG_MIPTREE 0x10
231 #define DEBUG_PERF 0x20
232 #define DEBUG_BATCH 0x80
233 #define DEBUG_PIXEL 0x100
234 #define DEBUG_BUFMGR 0x200
235 #define DEBUG_REGION 0x400
236 #define DEBUG_FBO 0x800
237 #define DEBUG_GS 0x1000
238 #define DEBUG_SYNC 0x2000
239 #define DEBUG_PRIMS 0x4000
240 #define DEBUG_VERTS 0x8000
241 #define DEBUG_DRI 0x10000
242 #define DEBUG_SF 0x20000
243 #define DEBUG_STATS 0x100000
244 #define DEBUG_WM 0x400000
245 #define DEBUG_URB 0x800000
246 #define DEBUG_VS 0x1000000
247 #define DEBUG_CLIP 0x2000000
248 #define DEBUG_AUB 0x4000000
249 #define DEBUG_SHADER_TIME 0x8000000
250 #define DEBUG_BLORP 0x10000000
251 #define DEBUG_NO16 0x20000000
253 #ifdef HAVE_ANDROID_PLATFORM
254 #define LOG_TAG "INTEL-MESA"
255 #include <cutils/log.h>
259 #define dbg_printf(...) ALOGW(__VA_ARGS__)
261 #define dbg_printf(...) printf(__VA_ARGS__)
262 #endif /* HAVE_ANDROID_PLATFORM */
264 #define DBG(...) do { \
265 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
266 dbg_printf(__VA_ARGS__); \
269 #define perf_debug(...) do { \
270 static GLuint msg_id = 0; \
271 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
272 dbg_printf(__VA_ARGS__); \
273 if (intel->perf_debug) \
274 _mesa_gl_debug(&intel->ctx, &msg_id, \
275 MESA_DEBUG_TYPE_PERFORMANCE, \
276 MESA_DEBUG_SEVERITY_MEDIUM, \
280 #define WARN_ONCE(cond, fmt...) do { \
281 if (unlikely(cond)) { \
282 static bool _warned = false; \
283 static GLuint msg_id = 0; \
285 fprintf(stderr, "WARNING: "); \
286 fprintf(stderr, fmt); \
289 _mesa_gl_debug(ctx, &msg_id, \
290 MESA_DEBUG_TYPE_OTHER, \
291 MESA_DEBUG_SEVERITY_HIGH, fmt); \
296 /* ================================================================
300 extern bool intelInitContext(struct brw_context
*brw
,
302 unsigned major_version
,
303 unsigned minor_version
,
304 const struct gl_config
* mesaVis
,
305 __DRIcontext
* driContextPriv
,
306 void *sharedContextPrivate
,
307 struct dd_function_table
*functions
,
308 unsigned *dri_ctx_error
);
310 extern void intelFinish(struct gl_context
* ctx
);
311 extern void _intel_flush(struct gl_context
* ctx
, const char *file
, int line
);
313 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
315 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
317 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
320 DRI_CONF_BO_REUSE_DISABLED
,
321 DRI_CONF_BO_REUSE_ALL
324 extern int intel_translate_shadow_compare_func(GLenum func
);
325 extern int intel_translate_compare_func(GLenum func
);
326 extern int intel_translate_stencil_op(GLenum op
);
327 extern int intel_translate_logic_op(GLenum opcode
);
329 void intel_update_renderbuffers(__DRIcontext
*context
,
330 __DRIdrawable
*drawable
);
331 void intel_prepare_render(struct brw_context
*brw
);
334 intel_resolve_for_dri2_flush(struct brw_context
*brw
,
335 __DRIdrawable
*drawable
);
338 intelInitExtensions(struct gl_context
*ctx
);
340 intelInitClearFuncs(struct dd_function_table
*functions
);
342 /*======================================================================
343 * Inline conversion functions.
344 * These are better-typed than the macros used previously:
346 static INLINE
struct intel_context
*
347 intel_context(struct gl_context
* ctx
)
349 return (struct intel_context
*) ctx
;
353 is_power_of_two(uint32_t value
)
355 return (value
& (value
- 1)) == 0;