1 /**************************************************************************
3 * Copyright 2003 VMware, Inc.
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 VMWARE 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"
56 #define TAG(x) intel##x
57 #include "tnl_dd/t_dd_vertex.h"
60 #define DV_PF_555 (1<<8)
61 #define DV_PF_565 (2<<8)
62 #define DV_PF_8888 (3<<8)
63 #define DV_PF_4444 (8<<8)
64 #define DV_PF_1555 (9<<8)
69 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
70 intelVertex
*, intelVertex
*);
71 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
73 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
76 * Bits for intel->Fallback field
79 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
80 #define INTEL_FALLBACK_READ_BUFFER 0x2
81 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
82 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
83 #define INTEL_FALLBACK_USER 0x10
84 #define INTEL_FALLBACK_RENDERMODE 0x20
85 #define INTEL_FALLBACK_TEXTURE 0x40
86 #define INTEL_FALLBACK_DRIVER 0x1000 /**< first for drivers */
89 extern void intelFallback(struct intel_context
*intel
, GLbitfield bit
,
91 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
94 #define INTEL_WRITE_PART 0x1
95 #define INTEL_WRITE_FULL 0x2
96 #define INTEL_READ 0x4
100 #define likely(expr) (__builtin_expect(expr, 1))
101 #define unlikely(expr) (__builtin_expect(expr, 0))
103 #define likely(expr) (expr)
104 #define unlikely(expr) (expr)
108 struct intel_sync_object
{
109 struct gl_sync_object Base
;
111 /** Batch associated with this sync object */
115 struct intel_batchbuffer
{
116 /** Current batchbuffer being queued up. */
118 /** Last BO submitted to the hardware. Used for glFinish(). */
119 drm_intel_bo
*last_bo
;
121 uint16_t emit
, total
;
122 uint16_t used
, reserved_space
;
125 #define BATCH_SZ (8192*sizeof(uint32_t))
129 * intel_context is derived from Mesa's context class: struct gl_context.
133 struct gl_context ctx
; /**< base class, must be first field */
137 void (*destroy
) (struct intel_context
* intel
);
138 void (*emit_state
) (struct intel_context
* intel
);
139 void (*finish_batch
) (struct intel_context
* intel
);
140 void (*new_batch
) (struct intel_context
* intel
);
141 void (*emit_invarient_state
) (struct intel_context
* intel
);
142 void (*update_texture_state
) (struct intel_context
* intel
);
144 void (*render_start
) (struct intel_context
* intel
);
145 void (*render_prevalidate
) (struct intel_context
* intel
);
146 void (*set_draw_region
) (struct intel_context
* intel
,
147 struct intel_region
* draw_regions
[],
148 struct intel_region
* depth_region
,
150 void (*update_draw_buffer
)(struct intel_context
*intel
);
152 void (*reduced_primitive_state
) (struct intel_context
* intel
,
155 bool (*check_vertex_size
) (struct intel_context
* intel
,
157 void (*invalidate_state
) (struct intel_context
*intel
,
160 void (*assert_not_dirty
) (struct intel_context
*intel
);
162 void (*debug_batch
)(struct intel_context
*intel
);
163 void (*annotate_aub
)(struct intel_context
*intel
);
164 bool (*render_target_supported
)(struct intel_context
*intel
,
165 struct gl_renderbuffer
*rb
);
168 GLbitfield Fallback
; /**< mask of INTEL_FALLBACK_x bits */
172 unsigned int maxBatchSize
;
175 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
181 struct intel_batchbuffer batch
;
183 drm_intel_bo
*first_post_swapbuffers_batch
;
186 bool tnl_pipeline_running
; /**< Set while i915's _tnl_run_pipeline. */
189 * Set if we're either a debug context or the INTEL_DEBUG=perf environment
190 * variable is set, this is the flag indicating to do expensive work that
191 * might lead to a perf_debug() call.
198 uint32_t start_ptr
; /**< for i8xx */
199 uint32_t primitive
; /**< Current hardware primitive type */
200 void (*flush
) (struct intel_context
*);
203 unsigned int start_offset
; /**< Byte offset of primitive sequence */
204 unsigned int current_offset
; /**< Byte offset of next vertex */
205 unsigned int count
; /**< Number of vertices in current primitive */
212 uint32_t buffer_offset
;
216 uint32_t max_gtt_map_object_size
;
218 /* Offsets of fields within the current vertex:
224 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
225 GLuint vertex_attr_count
;
227 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
231 bool always_flush_batch
;
232 bool always_flush_cache
;
233 bool disable_throttling
;
235 /* State for intelvb.c and inteltris.c.
238 GLmatrix ViewportMatrix
;
239 GLenum render_primitive
;
240 GLenum reduced_primitive
; /*< Only gen < 6 */
242 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
244 /* Fallback rasterization functions
246 intel_point_func draw_point
;
247 intel_line_func draw_line
;
248 intel_tri_func draw_tri
;
251 * Set if rendering has occurred to the drawable's front buffer.
253 * This is used in the DRI2 case to detect that glFlush should also copy
254 * the contents of the fake front buffer to the real front buffer.
256 bool front_buffer_dirty
;
259 * Track whether front-buffer rendering is currently enabled
261 * A separate flag is used to track this in order to support MRT more
264 bool is_front_buffer_rendering
;
266 * Track whether front-buffer is the current read target.
268 * This is closely associated with is_front_buffer_rendering, but may
269 * be set separately. The DRI2 fake front buffer must be referenced
272 bool is_front_buffer_reading
;
276 __DRIcontext
*driContext
;
277 struct intel_screen
*intelScreen
;
280 * Configuration cache
282 driOptionCache optionCache
;
285 extern char *__progname
;
288 #define SUBPIXEL_X 0.125
289 #define SUBPIXEL_Y 0.125
291 #define INTEL_FIREVERTICES(intel) \
293 if ((intel)->prim.flush) \
294 (intel)->prim.flush(intel); \
297 /* ================================================================
300 extern int INTEL_DEBUG
;
302 #define DEBUG_TEXTURE 0x1
303 #define DEBUG_STATE 0x2
304 #define DEBUG_BLIT 0x8
305 #define DEBUG_MIPTREE 0x10
306 #define DEBUG_PERF 0x20
307 #define DEBUG_BATCH 0x80
308 #define DEBUG_PIXEL 0x100
309 #define DEBUG_BUFMGR 0x200
310 #define DEBUG_REGION 0x400
311 #define DEBUG_FBO 0x800
312 #define DEBUG_SYNC 0x2000
313 #define DEBUG_DRI 0x10000
314 #define DEBUG_STATS 0x100000
315 #define DEBUG_WM 0x400000
316 #define DEBUG_AUB 0x4000000
318 #ifdef HAVE_ANDROID_PLATFORM
319 #define LOG_TAG "INTEL-MESA"
320 #include <cutils/log.h>
324 #define dbg_printf(...) ALOGW(__VA_ARGS__)
326 #define dbg_printf(...) printf(__VA_ARGS__)
327 #endif /* HAVE_ANDROID_PLATFORM */
329 #define DBG(...) do { \
330 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
331 dbg_printf(__VA_ARGS__); \
334 #define perf_debug(...) do { \
335 static GLuint msg_id = 0; \
336 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
337 dbg_printf(__VA_ARGS__); \
338 if (intel->perf_debug) \
339 _mesa_gl_debug(&intel->ctx, &msg_id, \
340 MESA_DEBUG_SOURCE_API, \
341 MESA_DEBUG_TYPE_PERFORMANCE, \
342 MESA_DEBUG_SEVERITY_MEDIUM, \
346 #define WARN_ONCE(cond, fmt...) do { \
347 if (unlikely(cond)) { \
348 static bool _warned = false; \
349 static GLuint msg_id = 0; \
351 fprintf(stderr, "WARNING: "); \
352 fprintf(stderr, fmt); \
355 _mesa_gl_debug(ctx, &msg_id, \
356 MESA_DEBUG_SOURCE_API, \
357 MESA_DEBUG_TYPE_OTHER, \
358 MESA_DEBUG_SEVERITY_HIGH, fmt); \
363 /* ================================================================
367 extern const char *const i915_vendor_string
;
369 extern const char *i915_get_renderer_string(unsigned deviceID
);
371 extern bool intelInitContext(struct intel_context
*intel
,
373 unsigned major_version
,
374 unsigned minor_version
,
376 const struct gl_config
* mesaVis
,
377 __DRIcontext
* driContextPriv
,
378 void *sharedContextPrivate
,
379 struct dd_function_table
*functions
,
380 unsigned *dri_ctx_error
);
382 extern void intelFinish(struct gl_context
* ctx
);
383 extern void intel_flush_rendering_to_batch(struct gl_context
*ctx
);
384 extern void _intel_flush(struct gl_context
* ctx
, const char *file
, int line
);
386 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
388 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
390 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
393 /* ================================================================
397 #define COMPAREFUNC_ALWAYS 0
398 #define COMPAREFUNC_NEVER 0x1
399 #define COMPAREFUNC_LESS 0x2
400 #define COMPAREFUNC_EQUAL 0x3
401 #define COMPAREFUNC_LEQUAL 0x4
402 #define COMPAREFUNC_GREATER 0x5
403 #define COMPAREFUNC_NOTEQUAL 0x6
404 #define COMPAREFUNC_GEQUAL 0x7
406 #define STENCILOP_KEEP 0
407 #define STENCILOP_ZERO 0x1
408 #define STENCILOP_REPLACE 0x2
409 #define STENCILOP_INCRSAT 0x3
410 #define STENCILOP_DECRSAT 0x4
411 #define STENCILOP_INCR 0x5
412 #define STENCILOP_DECR 0x6
413 #define STENCILOP_INVERT 0x7
415 #define LOGICOP_CLEAR 0
416 #define LOGICOP_NOR 0x1
417 #define LOGICOP_AND_INV 0x2
418 #define LOGICOP_COPY_INV 0x3
419 #define LOGICOP_AND_RVRSE 0x4
420 #define LOGICOP_INV 0x5
421 #define LOGICOP_XOR 0x6
422 #define LOGICOP_NAND 0x7
423 #define LOGICOP_AND 0x8
424 #define LOGICOP_EQUIV 0x9
425 #define LOGICOP_NOOP 0xa
426 #define LOGICOP_OR_INV 0xb
427 #define LOGICOP_COPY 0xc
428 #define LOGICOP_OR_RVRSE 0xd
429 #define LOGICOP_OR 0xe
430 #define LOGICOP_SET 0xf
432 #define BLENDFACT_ZERO 0x01
433 #define BLENDFACT_ONE 0x02
434 #define BLENDFACT_SRC_COLR 0x03
435 #define BLENDFACT_INV_SRC_COLR 0x04
436 #define BLENDFACT_SRC_ALPHA 0x05
437 #define BLENDFACT_INV_SRC_ALPHA 0x06
438 #define BLENDFACT_DST_ALPHA 0x07
439 #define BLENDFACT_INV_DST_ALPHA 0x08
440 #define BLENDFACT_DST_COLR 0x09
441 #define BLENDFACT_INV_DST_COLR 0x0a
442 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
443 #define BLENDFACT_CONST_COLOR 0x0c
444 #define BLENDFACT_INV_CONST_COLOR 0x0d
445 #define BLENDFACT_CONST_ALPHA 0x0e
446 #define BLENDFACT_INV_CONST_ALPHA 0x0f
447 #define BLENDFACT_MASK 0x0f
450 DRI_CONF_BO_REUSE_DISABLED
,
451 DRI_CONF_BO_REUSE_ALL
454 extern int intel_translate_shadow_compare_func(GLenum func
);
455 extern int intel_translate_compare_func(GLenum func
);
456 extern int intel_translate_stencil_op(GLenum op
);
457 extern int intel_translate_blend_factor(GLenum factor
);
458 extern int intel_translate_logic_op(GLenum opcode
);
460 void intel_update_renderbuffers(__DRIcontext
*context
,
461 __DRIdrawable
*drawable
);
462 void intel_prepare_render(struct intel_context
*intel
);
464 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
466 void intel_init_texture_formats(struct gl_context
*ctx
);
468 /*======================================================================
469 * Inline conversion functions.
470 * These are better-typed than the macros used previously:
472 static inline struct intel_context
*
473 intel_context(struct gl_context
* ctx
)
475 return (struct intel_context
*) ctx
;