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"
38 #include <intel_bufmgr.h>
41 #include "intel_screen.h"
42 #include "intel_tex_obj.h"
44 #include "tnl/t_vertex.h"
46 #define TAG(x) intel##x
47 #include "tnl_dd/t_dd_vertex.h"
50 #define DV_PF_555 (1<<8)
51 #define DV_PF_565 (2<<8)
52 #define DV_PF_8888 (3<<8)
53 #define DV_PF_4444 (8<<8)
54 #define DV_PF_1555 (9<<8)
59 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
60 intelVertex
*, intelVertex
*);
61 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
63 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
66 * Bits for intel->Fallback field
69 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
70 #define INTEL_FALLBACK_READ_BUFFER 0x2
71 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
72 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
73 #define INTEL_FALLBACK_USER 0x10
74 #define INTEL_FALLBACK_RENDERMODE 0x20
75 #define INTEL_FALLBACK_TEXTURE 0x40
76 #define INTEL_FALLBACK_DRIVER 0x1000 /**< first for drivers */
79 extern void intelFallback(struct intel_context
*intel
, GLbitfield bit
,
81 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
84 #define INTEL_WRITE_PART 0x1
85 #define INTEL_WRITE_FULL 0x2
86 #define INTEL_READ 0x4
90 #define likely(expr) (__builtin_expect(expr, 1))
91 #define unlikely(expr) (__builtin_expect(expr, 0))
93 #define likely(expr) (expr)
94 #define unlikely(expr) (expr)
98 struct intel_batchbuffer
{
99 /** Current batchbuffer being queued up. */
101 /** Last BO submitted to the hardware. Used for glFinish(). */
102 drm_intel_bo
*last_bo
;
104 uint16_t emit
, total
;
105 uint16_t used
, reserved_space
;
108 #define BATCH_SZ (8192*sizeof(uint32_t))
112 * intel_context is derived from Mesa's context class: struct gl_context.
116 struct gl_context ctx
; /**< base class, must be first field */
120 void (*destroy
) (struct intel_context
* intel
);
121 void (*emit_state
) (struct intel_context
* intel
);
122 void (*finish_batch
) (struct intel_context
* intel
);
123 void (*new_batch
) (struct intel_context
* intel
);
124 void (*emit_invarient_state
) (struct intel_context
* intel
);
125 void (*update_texture_state
) (struct intel_context
* intel
);
127 void (*render_start
) (struct intel_context
* intel
);
128 void (*render_prevalidate
) (struct intel_context
* intel
);
129 void (*set_draw_region
) (struct intel_context
* intel
,
130 struct intel_region
* draw_regions
[],
131 struct intel_region
* depth_region
,
133 void (*update_draw_buffer
)(struct intel_context
*intel
);
135 void (*reduced_primitive_state
) (struct intel_context
* intel
,
138 bool (*check_vertex_size
) (struct intel_context
* intel
,
140 void (*invalidate_state
) (struct intel_context
*intel
,
143 void (*assert_not_dirty
) (struct intel_context
*intel
);
145 void (*debug_batch
)(struct intel_context
*intel
);
146 void (*annotate_aub
)(struct intel_context
*intel
);
147 bool (*render_target_supported
)(struct intel_context
*intel
,
148 struct gl_renderbuffer
*rb
);
151 GLbitfield Fallback
; /**< mask of INTEL_FALLBACK_x bits */
155 unsigned int maxBatchSize
;
158 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
164 struct intel_batchbuffer batch
;
166 drm_intel_bo
*first_post_swapbuffers_batch
;
169 bool tnl_pipeline_running
; /**< Set while i915's _tnl_run_pipeline. */
172 * Set if we're either a debug context or the INTEL_DEBUG=perf environment
173 * variable is set, this is the flag indicating to do expensive work that
174 * might lead to a perf_debug() call.
181 uint32_t start_ptr
; /**< for i8xx */
182 uint32_t primitive
; /**< Current hardware primitive type */
183 void (*flush
) (struct intel_context
*);
186 unsigned int start_offset
; /**< Byte offset of primitive sequence */
187 unsigned int current_offset
; /**< Byte offset of next vertex */
188 unsigned int count
; /**< Number of vertices in current primitive */
195 uint32_t buffer_offset
;
199 uint32_t max_gtt_map_object_size
;
201 /* Offsets of fields within the current vertex:
207 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
208 GLuint vertex_attr_count
;
210 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
214 bool always_flush_batch
;
215 bool always_flush_cache
;
216 bool disable_throttling
;
218 /* State for intelvb.c and inteltris.c.
221 GLmatrix ViewportMatrix
;
222 GLenum render_primitive
;
223 GLenum reduced_primitive
; /*< Only gen < 6 */
225 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
227 /* Fallback rasterization functions
229 intel_point_func draw_point
;
230 intel_line_func draw_line
;
231 intel_tri_func draw_tri
;
234 * Set if rendering has occurred to the drawable's front buffer.
236 * This is used in the DRI2 case to detect that glFlush should also copy
237 * the contents of the fake front buffer to the real front buffer.
239 bool front_buffer_dirty
;
243 __DRIcontext
*driContext
;
244 struct intel_screen
*intelScreen
;
247 * Configuration cache
249 driOptionCache optionCache
;
252 extern char *__progname
;
255 #define SUBPIXEL_X 0.125
256 #define SUBPIXEL_Y 0.125
258 #define INTEL_FIREVERTICES(intel) \
260 if ((intel)->prim.flush) \
261 (intel)->prim.flush(intel); \
264 /* ================================================================
267 extern int INTEL_DEBUG
;
269 #define DEBUG_TEXTURE 0x1
270 #define DEBUG_STATE 0x2
271 #define DEBUG_BLIT 0x8
272 #define DEBUG_MIPTREE 0x10
273 #define DEBUG_PERF 0x20
274 #define DEBUG_BATCH 0x80
275 #define DEBUG_PIXEL 0x100
276 #define DEBUG_BUFMGR 0x200
277 #define DEBUG_REGION 0x400
278 #define DEBUG_FBO 0x800
279 #define DEBUG_SYNC 0x2000
280 #define DEBUG_DRI 0x10000
281 #define DEBUG_STATS 0x100000
282 #define DEBUG_WM 0x400000
283 #define DEBUG_AUB 0x4000000
285 #ifdef HAVE_ANDROID_PLATFORM
286 #define LOG_TAG "INTEL-MESA"
287 #include <cutils/log.h>
291 #define dbg_printf(...) ALOGW(__VA_ARGS__)
293 #define dbg_printf(...) printf(__VA_ARGS__)
294 #endif /* HAVE_ANDROID_PLATFORM */
296 #define DBG(...) do { \
297 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
298 dbg_printf(__VA_ARGS__); \
301 #define perf_debug(...) do { \
302 static GLuint msg_id = 0; \
303 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
304 dbg_printf(__VA_ARGS__); \
305 if (intel->perf_debug) \
306 _mesa_gl_debug(&intel->ctx, &msg_id, \
307 MESA_DEBUG_SOURCE_API, \
308 MESA_DEBUG_TYPE_PERFORMANCE, \
309 MESA_DEBUG_SEVERITY_MEDIUM, \
313 #define WARN_ONCE(cond, fmt...) do { \
314 if (unlikely(cond)) { \
315 static bool _warned = false; \
316 static GLuint msg_id = 0; \
318 fprintf(stderr, "WARNING: "); \
319 fprintf(stderr, fmt); \
322 _mesa_gl_debug(ctx, &msg_id, \
323 MESA_DEBUG_SOURCE_API, \
324 MESA_DEBUG_TYPE_OTHER, \
325 MESA_DEBUG_SEVERITY_HIGH, fmt); \
330 /* ================================================================
334 extern const char *const i915_vendor_string
;
336 extern const char *i915_get_renderer_string(unsigned deviceID
);
338 extern bool intelInitContext(struct intel_context
*intel
,
340 unsigned major_version
,
341 unsigned minor_version
,
343 const struct gl_config
* mesaVis
,
344 __DRIcontext
* driContextPriv
,
345 void *sharedContextPrivate
,
346 struct dd_function_table
*functions
,
347 unsigned *dri_ctx_error
);
349 extern void intelFinish(struct gl_context
* ctx
);
350 extern void intel_flush_rendering_to_batch(struct gl_context
*ctx
);
351 extern void _intel_flush(struct gl_context
* ctx
, const char *file
, int line
);
353 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
355 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
357 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
360 /* ================================================================
364 #define COMPAREFUNC_ALWAYS 0
365 #define COMPAREFUNC_NEVER 0x1
366 #define COMPAREFUNC_LESS 0x2
367 #define COMPAREFUNC_EQUAL 0x3
368 #define COMPAREFUNC_LEQUAL 0x4
369 #define COMPAREFUNC_GREATER 0x5
370 #define COMPAREFUNC_NOTEQUAL 0x6
371 #define COMPAREFUNC_GEQUAL 0x7
373 #define STENCILOP_KEEP 0
374 #define STENCILOP_ZERO 0x1
375 #define STENCILOP_REPLACE 0x2
376 #define STENCILOP_INCRSAT 0x3
377 #define STENCILOP_DECRSAT 0x4
378 #define STENCILOP_INCR 0x5
379 #define STENCILOP_DECR 0x6
380 #define STENCILOP_INVERT 0x7
382 #define LOGICOP_CLEAR 0
383 #define LOGICOP_NOR 0x1
384 #define LOGICOP_AND_INV 0x2
385 #define LOGICOP_COPY_INV 0x3
386 #define LOGICOP_AND_RVRSE 0x4
387 #define LOGICOP_INV 0x5
388 #define LOGICOP_XOR 0x6
389 #define LOGICOP_NAND 0x7
390 #define LOGICOP_AND 0x8
391 #define LOGICOP_EQUIV 0x9
392 #define LOGICOP_NOOP 0xa
393 #define LOGICOP_OR_INV 0xb
394 #define LOGICOP_COPY 0xc
395 #define LOGICOP_OR_RVRSE 0xd
396 #define LOGICOP_OR 0xe
397 #define LOGICOP_SET 0xf
399 #define BLENDFACT_ZERO 0x01
400 #define BLENDFACT_ONE 0x02
401 #define BLENDFACT_SRC_COLR 0x03
402 #define BLENDFACT_INV_SRC_COLR 0x04
403 #define BLENDFACT_SRC_ALPHA 0x05
404 #define BLENDFACT_INV_SRC_ALPHA 0x06
405 #define BLENDFACT_DST_ALPHA 0x07
406 #define BLENDFACT_INV_DST_ALPHA 0x08
407 #define BLENDFACT_DST_COLR 0x09
408 #define BLENDFACT_INV_DST_COLR 0x0a
409 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
410 #define BLENDFACT_CONST_COLOR 0x0c
411 #define BLENDFACT_INV_CONST_COLOR 0x0d
412 #define BLENDFACT_CONST_ALPHA 0x0e
413 #define BLENDFACT_INV_CONST_ALPHA 0x0f
414 #define BLENDFACT_MASK 0x0f
417 DRI_CONF_BO_REUSE_DISABLED
,
418 DRI_CONF_BO_REUSE_ALL
421 extern int intel_translate_shadow_compare_func(GLenum func
);
422 extern int intel_translate_compare_func(GLenum func
);
423 extern int intel_translate_stencil_op(GLenum op
);
424 extern int intel_translate_blend_factor(GLenum factor
);
425 extern int intel_translate_logic_op(GLenum opcode
);
427 void intel_update_renderbuffers(__DRIcontext
*context
,
428 __DRIdrawable
*drawable
);
429 void intel_prepare_render(struct intel_context
*intel
);
431 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
433 void intel_init_texture_formats(struct gl_context
*ctx
);
435 /*======================================================================
436 * Inline conversion functions.
437 * These are better-typed than the macros used previously:
439 static inline struct intel_context
*
440 intel_context(struct gl_context
* ctx
)
442 return (struct intel_context
*) ctx
;