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"
35 #include "main/errors.h"
37 #include "drm-uapi/drm.h"
38 #include <intel_bufmgr.h>
39 #include "drm-uapi/i915_drm.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.
163 struct intel_batchbuffer batch
;
165 drm_intel_bo
*first_post_swapbuffers_batch
;
168 bool tnl_pipeline_running
; /**< Set while i915's _tnl_run_pipeline. */
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.
180 uint32_t start_ptr
; /**< for i8xx */
181 uint32_t primitive
; /**< Current hardware primitive type */
182 void (*flush
) (struct intel_context
*);
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 */
194 uint32_t buffer_offset
;
198 uint32_t max_gtt_map_object_size
;
200 /* Offsets of fields within the current vertex:
206 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
207 GLuint vertex_attr_count
;
209 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
213 bool always_flush_batch
;
214 bool always_flush_cache
;
215 bool disable_throttling
;
217 /* State for intelvb.c and inteltris.c.
220 GLmatrix ViewportMatrix
;
221 GLenum render_primitive
;
222 GLenum reduced_primitive
; /*< Only gen < 6 */
224 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
226 /* Fallback rasterization functions
228 intel_point_func draw_point
;
229 intel_line_func draw_line
;
230 intel_tri_func draw_tri
;
233 * Set if rendering has occurred to the drawable's front buffer.
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.
238 bool front_buffer_dirty
;
240 __DRIcontext
*driContext
;
241 struct intel_screen
*intelScreen
;
244 * Configuration cache
246 driOptionCache optionCache
;
249 extern char *__progname
;
252 #define SUBPIXEL_X 0.125
253 #define SUBPIXEL_Y 0.125
255 #define INTEL_FIREVERTICES(intel) \
257 if ((intel)->prim.flush) \
258 (intel)->prim.flush(intel); \
261 /* ================================================================
264 extern int INTEL_DEBUG
;
266 #define DEBUG_TEXTURE 0x1
267 #define DEBUG_STATE 0x2
268 #define DEBUG_BLIT 0x8
269 #define DEBUG_MIPTREE 0x10
270 #define DEBUG_PERF 0x20
271 #define DEBUG_BATCH 0x80
272 #define DEBUG_PIXEL 0x100
273 #define DEBUG_BUFMGR 0x200
274 #define DEBUG_REGION 0x400
275 #define DEBUG_FBO 0x800
276 #define DEBUG_SYNC 0x2000
277 #define DEBUG_DRI 0x10000
278 #define DEBUG_STATS 0x100000
279 #define DEBUG_WM 0x400000
280 #define DEBUG_AUB 0x4000000
282 #ifdef HAVE_ANDROID_PLATFORM
283 #define LOG_TAG "INTEL-MESA"
284 #if ANDROID_API_LEVEL >= 26
287 #include <cutils/log.h>
288 #endif /* use log/log.h start from android 8 major version */
292 #define dbg_printf(...) ALOGW(__VA_ARGS__)
294 #define dbg_printf(...) printf(__VA_ARGS__)
295 #endif /* HAVE_ANDROID_PLATFORM */
297 #define DBG(...) do { \
298 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
299 dbg_printf(__VA_ARGS__); \
302 #define perf_debug(...) do { \
303 static GLuint msg_id = 0; \
304 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
305 dbg_printf(__VA_ARGS__); \
306 if (intel->perf_debug) \
307 _mesa_gl_debugf(&intel->ctx, &msg_id, \
308 MESA_DEBUG_SOURCE_API, \
309 MESA_DEBUG_TYPE_PERFORMANCE, \
310 MESA_DEBUG_SEVERITY_MEDIUM, \
314 #define WARN_ONCE(cond, fmt...) do { \
315 if (unlikely(cond)) { \
316 static bool _warned = false; \
317 static GLuint msg_id = 0; \
319 fprintf(stderr, "WARNING: "); \
320 fprintf(stderr, fmt); \
323 _mesa_gl_debugf(ctx, &msg_id, \
324 MESA_DEBUG_SOURCE_API, \
325 MESA_DEBUG_TYPE_OTHER, \
326 MESA_DEBUG_SEVERITY_HIGH, fmt); \
331 /* ================================================================
335 extern const char *const i915_vendor_string
;
337 extern const char *i915_get_renderer_string(unsigned deviceID
);
339 extern bool intelInitContext(struct intel_context
*intel
,
341 unsigned major_version
,
342 unsigned minor_version
,
344 const struct gl_config
* mesaVis
,
345 __DRIcontext
* driContextPriv
,
346 void *sharedContextPrivate
,
347 struct dd_function_table
*functions
,
348 unsigned *dri_ctx_error
);
350 extern void intelFinish(struct gl_context
* ctx
);
351 extern void intel_flush_rendering_to_batch(struct gl_context
*ctx
);
352 extern void _intel_flush(struct gl_context
* ctx
, const char *file
, int line
);
354 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
356 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
358 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
361 /* ================================================================
365 #define COMPAREFUNC_ALWAYS 0
366 #define COMPAREFUNC_NEVER 0x1
367 #define COMPAREFUNC_LESS 0x2
368 #define COMPAREFUNC_EQUAL 0x3
369 #define COMPAREFUNC_LEQUAL 0x4
370 #define COMPAREFUNC_GREATER 0x5
371 #define COMPAREFUNC_NOTEQUAL 0x6
372 #define COMPAREFUNC_GEQUAL 0x7
374 #define STENCILOP_KEEP 0
375 #define STENCILOP_ZERO 0x1
376 #define STENCILOP_REPLACE 0x2
377 #define STENCILOP_INCRSAT 0x3
378 #define STENCILOP_DECRSAT 0x4
379 #define STENCILOP_INCR 0x5
380 #define STENCILOP_DECR 0x6
381 #define STENCILOP_INVERT 0x7
383 #define LOGICOP_CLEAR 0
384 #define LOGICOP_NOR 0x1
385 #define LOGICOP_AND_INV 0x2
386 #define LOGICOP_COPY_INV 0x3
387 #define LOGICOP_AND_RVRSE 0x4
388 #define LOGICOP_INV 0x5
389 #define LOGICOP_XOR 0x6
390 #define LOGICOP_NAND 0x7
391 #define LOGICOP_AND 0x8
392 #define LOGICOP_EQUIV 0x9
393 #define LOGICOP_NOOP 0xa
394 #define LOGICOP_OR_INV 0xb
395 #define LOGICOP_COPY 0xc
396 #define LOGICOP_OR_RVRSE 0xd
397 #define LOGICOP_OR 0xe
398 #define LOGICOP_SET 0xf
400 #define BLENDFACT_ZERO 0x01
401 #define BLENDFACT_ONE 0x02
402 #define BLENDFACT_SRC_COLR 0x03
403 #define BLENDFACT_INV_SRC_COLR 0x04
404 #define BLENDFACT_SRC_ALPHA 0x05
405 #define BLENDFACT_INV_SRC_ALPHA 0x06
406 #define BLENDFACT_DST_ALPHA 0x07
407 #define BLENDFACT_INV_DST_ALPHA 0x08
408 #define BLENDFACT_DST_COLR 0x09
409 #define BLENDFACT_INV_DST_COLR 0x0a
410 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
411 #define BLENDFACT_CONST_COLOR 0x0c
412 #define BLENDFACT_INV_CONST_COLOR 0x0d
413 #define BLENDFACT_CONST_ALPHA 0x0e
414 #define BLENDFACT_INV_CONST_ALPHA 0x0f
415 #define BLENDFACT_MASK 0x0f
418 DRI_CONF_BO_REUSE_DISABLED
,
419 DRI_CONF_BO_REUSE_ALL
422 extern int intel_translate_shadow_compare_func(GLenum func
);
423 extern int intel_translate_compare_func(GLenum func
);
424 extern int intel_translate_stencil_op(GLenum op
);
425 extern int intel_translate_blend_factor(GLenum factor
);
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
;