1 /**************************************************************************
2 *
3 * Copyright 2003 VMware, Inc.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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.
25 *
26 **************************************************************************/
27
28 #ifndef INTELCONTEXT_INC
29 #define INTELCONTEXT_INC
30
31
32 #include <stdbool.h>
33 #include <string.h>
34 #include "main/mtypes.h"
35
36 #include <drm.h>
37 #include <intel_bufmgr.h>
38 #include <i915_drm.h>
39
40 #include "intel_screen.h"
41 #include "intel_tex_obj.h"
42
43 #include "tnl/t_vertex.h"
44
45 #define TAG(x) intel##x
46 #include "tnl_dd/t_dd_vertex.h"
47 #undef TAG
48
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)
54
55 struct intel_region;
56 struct intel_context;
57
58 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
59 intelVertex *, intelVertex *);
60 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
61 intelVertex *);
62 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
63
64 /**
65 * Bits for intel->Fallback field
66 */
67 /*@{*/
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 */
76 /*@}*/
77
78 extern void intelFallback(struct intel_context *intel, GLbitfield bit,
79 bool mode);
80 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
81
82
83 #define INTEL_WRITE_PART 0x1
84 #define INTEL_WRITE_FULL 0x2
85 #define INTEL_READ 0x4
86
87 #ifndef likely
88 #ifdef __GNUC__
89 #define likely(expr) (__builtin_expect(expr, 1))
90 #define unlikely(expr) (__builtin_expect(expr, 0))
91 #else
92 #define likely(expr) (expr)
93 #define unlikely(expr) (expr)
94 #endif
95 #endif
96
97 struct intel_batchbuffer {
98 /** Current batchbuffer being queued up. */
99 drm_intel_bo *bo;
100 /** Last BO submitted to the hardware. Used for glFinish(). */
101 drm_intel_bo *last_bo;
102
103 uint16_t emit, total;
104 uint16_t used, reserved_space;
105 uint32_t *map;
106 uint32_t *cpu_map;
107 #define BATCH_SZ (8192*sizeof(uint32_t))
108 };
109
110 /**
111 * intel_context is derived from Mesa's context class: struct gl_context.
112 */
113 struct intel_context
114 {
115 struct gl_context ctx; /**< base class, must be first field */
116
117 struct
118 {
119 void (*destroy) (struct intel_context * intel);
120 void (*emit_state) (struct intel_context * intel);
121 void (*finish_batch) (struct intel_context * intel);
122 void (*new_batch) (struct intel_context * intel);
123 void (*emit_invarient_state) (struct intel_context * intel);
124 void (*update_texture_state) (struct intel_context * intel);
125
126 void (*render_start) (struct intel_context * intel);
127 void (*render_prevalidate) (struct intel_context * intel);
128 void (*set_draw_region) (struct intel_context * intel,
129 struct intel_region * draw_regions[],
130 struct intel_region * depth_region,
131 GLuint num_regions);
132 void (*update_draw_buffer)(struct intel_context *intel);
133
134 void (*reduced_primitive_state) (struct intel_context * intel,
135 GLenum rprim);
136
137 bool (*check_vertex_size) (struct intel_context * intel,
138 GLuint expected);
139 void (*invalidate_state) (struct intel_context *intel,
140 GLuint new_state);
141
142 void (*assert_not_dirty) (struct intel_context *intel);
143
144 void (*debug_batch)(struct intel_context *intel);
145 void (*annotate_aub)(struct intel_context *intel);
146 bool (*render_target_supported)(struct intel_context *intel,
147 struct gl_renderbuffer *rb);
148 } vtbl;
149
150 GLbitfield Fallback; /**< mask of INTEL_FALLBACK_x bits */
151 GLuint NewGLState;
152
153 dri_bufmgr *bufmgr;
154 unsigned int maxBatchSize;
155
156 /**
157 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
158 */
159 int gen;
160 bool is_945;
161 bool has_swizzling;
162
163 struct intel_batchbuffer batch;
164
165 drm_intel_bo *first_post_swapbuffers_batch;
166 bool need_throttle;
167 bool no_batch_wrap;
168 bool tnl_pipeline_running; /**< Set while i915's _tnl_run_pipeline. */
169
170 /**
171 * Set if we're either a debug context or the INTEL_DEBUG=perf environment
172 * variable is set, this is the flag indicating to do expensive work that
173 * might lead to a perf_debug() call.
174 */
175 bool perf_debug;
176
177 struct
178 {
179 GLuint id;
180 uint32_t start_ptr; /**< for i8xx */
181 uint32_t primitive; /**< Current hardware primitive type */
182 void (*flush) (struct intel_context *);
183 drm_intel_bo *vb_bo;
184 uint8_t *vb;
185 unsigned int start_offset; /**< Byte offset of primitive sequence */
186 unsigned int current_offset; /**< Byte offset of next vertex */
187 unsigned int count; /**< Number of vertices in current primitive */
188 } prim;
189
190 struct {
191 drm_intel_bo *bo;
192 GLuint offset;
193 uint32_t buffer_len;
194 uint32_t buffer_offset;
195 char buffer[4096];
196 } upload;
197
198 uint32_t max_gtt_map_object_size;
199
200 /* Offsets of fields within the current vertex:
201 */
202 GLuint coloroffset;
203 GLuint specoffset;
204 GLuint wpos_offset;
205
206 struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
207 GLuint vertex_attr_count;
208
209 GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
210
211 bool hw_stipple;
212 bool no_rast;
213 bool always_flush_batch;
214 bool always_flush_cache;
215 bool disable_throttling;
216
217 /* State for intelvb.c and inteltris.c.
218 */
219 GLuint RenderIndex;
220 GLmatrix ViewportMatrix;
221 GLenum render_primitive;
222 GLenum reduced_primitive; /*< Only gen < 6 */
223 GLuint vertex_size;
224 GLubyte *verts; /* points to tnl->clipspace.vertex_buf */
225
226 /* Fallback rasterization functions
227 */
228 intel_point_func draw_point;
229 intel_line_func draw_line;
230 intel_tri_func draw_tri;
231
232 /**
233 * Set if rendering has occurred to the drawable's front buffer.
234 *
235 * This is used in the DRI2 case to detect that glFlush should also copy
236 * the contents of the fake front buffer to the real front buffer.
237 */
238 bool front_buffer_dirty;
239
240 bool use_early_z;
241
242 __DRIcontext *driContext;
243 struct intel_screen *intelScreen;
244
245 /**
246 * Configuration cache
247 */
248 driOptionCache optionCache;
249 };
250
251 extern char *__progname;
252
253
254 #define SUBPIXEL_X 0.125
255 #define SUBPIXEL_Y 0.125
256
257 #define INTEL_FIREVERTICES(intel) \
258 do { \
259 if ((intel)->prim.flush) \
260 (intel)->prim.flush(intel); \
261 } while (0)
262
263 /* ================================================================
264 * Debugging:
265 */
266 extern int INTEL_DEBUG;
267
268 #define DEBUG_TEXTURE 0x1
269 #define DEBUG_STATE 0x2
270 #define DEBUG_BLIT 0x8
271 #define DEBUG_MIPTREE 0x10
272 #define DEBUG_PERF 0x20
273 #define DEBUG_BATCH 0x80
274 #define DEBUG_PIXEL 0x100
275 #define DEBUG_BUFMGR 0x200
276 #define DEBUG_REGION 0x400
277 #define DEBUG_FBO 0x800
278 #define DEBUG_SYNC 0x2000
279 #define DEBUG_DRI 0x10000
280 #define DEBUG_STATS 0x100000
281 #define DEBUG_WM 0x400000
282 #define DEBUG_AUB 0x4000000
283
284 #ifdef HAVE_ANDROID_PLATFORM
285 #define LOG_TAG "INTEL-MESA"
286 #include <cutils/log.h>
287 #ifndef ALOGW
288 #define ALOGW LOGW
289 #endif
290 #define dbg_printf(...) ALOGW(__VA_ARGS__)
291 #else
292 #define dbg_printf(...) printf(__VA_ARGS__)
293 #endif /* HAVE_ANDROID_PLATFORM */
294
295 #define DBG(...) do { \
296 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
297 dbg_printf(__VA_ARGS__); \
298 } while(0)
299
300 #define perf_debug(...) do { \
301 static GLuint msg_id = 0; \
302 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
303 dbg_printf(__VA_ARGS__); \
304 if (intel->perf_debug) \
305 _mesa_gl_debug(&intel->ctx, &msg_id, \
306 MESA_DEBUG_SOURCE_API, \
307 MESA_DEBUG_TYPE_PERFORMANCE, \
308 MESA_DEBUG_SEVERITY_MEDIUM, \
309 __VA_ARGS__); \
310 } while(0)
311
312 #define WARN_ONCE(cond, fmt...) do { \
313 if (unlikely(cond)) { \
314 static bool _warned = false; \
315 static GLuint msg_id = 0; \
316 if (!_warned) { \
317 fprintf(stderr, "WARNING: "); \
318 fprintf(stderr, fmt); \
319 _warned = true; \
320 \
321 _mesa_gl_debug(ctx, &msg_id, \
322 MESA_DEBUG_SOURCE_API, \
323 MESA_DEBUG_TYPE_OTHER, \
324 MESA_DEBUG_SEVERITY_HIGH, fmt); \
325 } \
326 } \
327 } while (0)
328
329 /* ================================================================
330 * intel_context.c:
331 */
332
333 extern const char *const i915_vendor_string;
334
335 extern const char *i915_get_renderer_string(unsigned deviceID);
336
337 extern bool intelInitContext(struct intel_context *intel,
338 int api,
339 unsigned major_version,
340 unsigned minor_version,
341 uint32_t flags,
342 const struct gl_config * mesaVis,
343 __DRIcontext * driContextPriv,
344 void *sharedContextPrivate,
345 struct dd_function_table *functions,
346 unsigned *dri_ctx_error);
347
348 extern void intelFinish(struct gl_context * ctx);
349 extern void intel_flush_rendering_to_batch(struct gl_context *ctx);
350 extern void _intel_flush(struct gl_context * ctx, const char *file, int line);
351
352 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
353
354 extern void intelInitDriverFunctions(struct dd_function_table *functions);
355
356 void intel_init_syncobj_functions(struct dd_function_table *functions);
357
358
359 /* ================================================================
360 * intel_state.c:
361 */
362
363 #define COMPAREFUNC_ALWAYS 0
364 #define COMPAREFUNC_NEVER 0x1
365 #define COMPAREFUNC_LESS 0x2
366 #define COMPAREFUNC_EQUAL 0x3
367 #define COMPAREFUNC_LEQUAL 0x4
368 #define COMPAREFUNC_GREATER 0x5
369 #define COMPAREFUNC_NOTEQUAL 0x6
370 #define COMPAREFUNC_GEQUAL 0x7
371
372 #define STENCILOP_KEEP 0
373 #define STENCILOP_ZERO 0x1
374 #define STENCILOP_REPLACE 0x2
375 #define STENCILOP_INCRSAT 0x3
376 #define STENCILOP_DECRSAT 0x4
377 #define STENCILOP_INCR 0x5
378 #define STENCILOP_DECR 0x6
379 #define STENCILOP_INVERT 0x7
380
381 #define LOGICOP_CLEAR 0
382 #define LOGICOP_NOR 0x1
383 #define LOGICOP_AND_INV 0x2
384 #define LOGICOP_COPY_INV 0x3
385 #define LOGICOP_AND_RVRSE 0x4
386 #define LOGICOP_INV 0x5
387 #define LOGICOP_XOR 0x6
388 #define LOGICOP_NAND 0x7
389 #define LOGICOP_AND 0x8
390 #define LOGICOP_EQUIV 0x9
391 #define LOGICOP_NOOP 0xa
392 #define LOGICOP_OR_INV 0xb
393 #define LOGICOP_COPY 0xc
394 #define LOGICOP_OR_RVRSE 0xd
395 #define LOGICOP_OR 0xe
396 #define LOGICOP_SET 0xf
397
398 #define BLENDFACT_ZERO 0x01
399 #define BLENDFACT_ONE 0x02
400 #define BLENDFACT_SRC_COLR 0x03
401 #define BLENDFACT_INV_SRC_COLR 0x04
402 #define BLENDFACT_SRC_ALPHA 0x05
403 #define BLENDFACT_INV_SRC_ALPHA 0x06
404 #define BLENDFACT_DST_ALPHA 0x07
405 #define BLENDFACT_INV_DST_ALPHA 0x08
406 #define BLENDFACT_DST_COLR 0x09
407 #define BLENDFACT_INV_DST_COLR 0x0a
408 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
409 #define BLENDFACT_CONST_COLOR 0x0c
410 #define BLENDFACT_INV_CONST_COLOR 0x0d
411 #define BLENDFACT_CONST_ALPHA 0x0e
412 #define BLENDFACT_INV_CONST_ALPHA 0x0f
413 #define BLENDFACT_MASK 0x0f
414
415 enum {
416 DRI_CONF_BO_REUSE_DISABLED,
417 DRI_CONF_BO_REUSE_ALL
418 };
419
420 extern int intel_translate_shadow_compare_func(GLenum func);
421 extern int intel_translate_compare_func(GLenum func);
422 extern int intel_translate_stencil_op(GLenum op);
423 extern int intel_translate_blend_factor(GLenum factor);
424 extern int intel_translate_logic_op(GLenum opcode);
425
426 void intel_update_renderbuffers(__DRIcontext *context,
427 __DRIdrawable *drawable);
428 void intel_prepare_render(struct intel_context *intel);
429
430 void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
431 uint32_t buffer_id);
432 void intel_init_texture_formats(struct gl_context *ctx);
433
434 /*======================================================================
435 * Inline conversion functions.
436 * These are better-typed than the macros used previously:
437 */
438 static inline struct intel_context *
intel_context(struct gl_context * ctx)439 intel_context(struct gl_context * ctx)
440 {
441 return (struct intel_context *) ctx;
442 }
443
444 #endif
445