1 /**************************************************************************
2 *
3 * Copyright 2008 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
29 #include "draw/draw_context.h"
30 #include "os/os_misc.h"
31 #include "util/u_format.h"
32 #include "util/u_format_s3tc.h"
33 #include "util/u_inlines.h"
34 #include "util/u_memory.h"
35 #include "util/u_string.h"
36
37 #include "i915_reg.h"
38 #include "i915_debug.h"
39 #include "i915_context.h"
40 #include "i915_screen.h"
41 #include "i915_resource.h"
42 #include "i915_winsys.h"
43 #include "i915_public.h"
44
45
46 /*
47 * Probe functions
48 */
49
50
51 static const char *
i915_get_vendor(struct pipe_screen * screen)52 i915_get_vendor(struct pipe_screen *screen)
53 {
54 return "Mesa Project";
55 }
56
57 static const char *
i915_get_device_vendor(struct pipe_screen * screen)58 i915_get_device_vendor(struct pipe_screen *screen)
59 {
60 return "Intel";
61 }
62
63 static const char *
i915_get_name(struct pipe_screen * screen)64 i915_get_name(struct pipe_screen *screen)
65 {
66 static char buffer[128];
67 const char *chipset;
68
69 switch (i915_screen(screen)->iws->pci_id) {
70 case PCI_CHIP_I915_G:
71 chipset = "915G";
72 break;
73 case PCI_CHIP_I915_GM:
74 chipset = "915GM";
75 break;
76 case PCI_CHIP_I945_G:
77 chipset = "945G";
78 break;
79 case PCI_CHIP_I945_GM:
80 chipset = "945GM";
81 break;
82 case PCI_CHIP_I945_GME:
83 chipset = "945GME";
84 break;
85 case PCI_CHIP_G33_G:
86 chipset = "G33";
87 break;
88 case PCI_CHIP_Q35_G:
89 chipset = "Q35";
90 break;
91 case PCI_CHIP_Q33_G:
92 chipset = "Q33";
93 break;
94 case PCI_CHIP_PINEVIEW_G:
95 chipset = "Pineview G";
96 break;
97 case PCI_CHIP_PINEVIEW_M:
98 chipset = "Pineview M";
99 break;
100 default:
101 chipset = "unknown";
102 break;
103 }
104
105 util_snprintf(buffer, sizeof(buffer), "i915 (chipset: %s)", chipset);
106 return buffer;
107 }
108
109 static int
i915_get_shader_param(struct pipe_screen * screen,unsigned shader,enum pipe_shader_cap cap)110 i915_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap cap)
111 {
112 switch(shader) {
113 case PIPE_SHADER_VERTEX:
114 switch (cap) {
115 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
116 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
117 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE))
118 return PIPE_MAX_SAMPLERS;
119 else
120 return 0;
121 default:
122 return draw_get_shader_param(shader, cap);
123 }
124 case PIPE_SHADER_FRAGMENT:
125 /* XXX: some of these are just shader model 2.0 values, fix this! */
126 switch(cap) {
127 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
128 return I915_MAX_ALU_INSN + I915_MAX_TEX_INSN;
129 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
130 return I915_MAX_ALU_INSN;
131 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
132 return I915_MAX_TEX_INSN;
133 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
134 return 8;
135 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
136 return 0;
137 case PIPE_SHADER_CAP_MAX_INPUTS:
138 return 10;
139 case PIPE_SHADER_CAP_MAX_OUTPUTS:
140 return 1;
141 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
142 return 32 * sizeof(float[4]);
143 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
144 return 1;
145 case PIPE_SHADER_CAP_MAX_TEMPS:
146 return 12; /* XXX: 12 -> 32 ? */
147 case PIPE_SHADER_CAP_MAX_PREDS:
148 return 0;
149 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
150 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
151 return 0;
152 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
153 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
154 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
155 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
156 return 1;
157 case PIPE_SHADER_CAP_SUBROUTINES:
158 return 0;
159 case PIPE_SHADER_CAP_INTEGERS:
160 return 0;
161 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
162 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
163 return I915_TEX_UNITS;
164 case PIPE_SHADER_CAP_DOUBLES:
165 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
166 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
167 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
168 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
169 return 0;
170 case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
171 return 32;
172 default:
173 debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
174 return 0;
175 }
176 break;
177 default:
178 return 0;
179 }
180
181 }
182
183 static int
i915_get_param(struct pipe_screen * screen,enum pipe_cap cap)184 i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
185 {
186 struct i915_screen *is = i915_screen(screen);
187
188 switch (cap) {
189 /* Supported features (boolean caps). */
190 case PIPE_CAP_ANISOTROPIC_FILTER:
191 case PIPE_CAP_NPOT_TEXTURES:
192 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
193 case PIPE_CAP_POINT_SPRITE:
194 case PIPE_CAP_PRIMITIVE_RESTART: /* draw module */
195 case PIPE_CAP_TEXTURE_SHADOW_MAP:
196 case PIPE_CAP_TWO_SIDED_STENCIL:
197 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
198 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
199 case PIPE_CAP_TGSI_INSTANCEID:
200 case PIPE_CAP_VERTEX_COLOR_CLAMPED:
201 case PIPE_CAP_USER_VERTEX_BUFFERS:
202 case PIPE_CAP_USER_INDEX_BUFFERS:
203 case PIPE_CAP_USER_CONSTANT_BUFFERS:
204 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
205 return 1;
206
207 /* Unsupported features (boolean caps). */
208 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
209 case PIPE_CAP_DEPTH_CLIP_DISABLE:
210 case PIPE_CAP_INDEP_BLEND_ENABLE:
211 case PIPE_CAP_INDEP_BLEND_FUNC:
212 case PIPE_CAP_SHADER_STENCIL_EXPORT:
213 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
214 case PIPE_CAP_TEXTURE_SWIZZLE:
215 case PIPE_CAP_QUERY_TIME_ELAPSED:
216 case PIPE_CAP_SM3:
217 case PIPE_CAP_SEAMLESS_CUBE_MAP:
218 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
219 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
220 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
221 case PIPE_CAP_CONDITIONAL_RENDER:
222 case PIPE_CAP_TEXTURE_BARRIER:
223 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
224 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
225 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
226 case PIPE_CAP_START_INSTANCE:
227 case PIPE_CAP_QUERY_TIMESTAMP:
228 case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
229 case PIPE_CAP_TEXTURE_MULTISAMPLE:
230 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
231 case PIPE_CAP_CUBE_MAP_ARRAY:
232 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
233 case PIPE_CAP_TGSI_TEXCOORD:
234 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
235 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
236 case PIPE_CAP_TEXTURE_GATHER_SM5:
237 case PIPE_CAP_FAKE_SW_MSAA:
238 case PIPE_CAP_TEXTURE_QUERY_LOD:
239 case PIPE_CAP_SAMPLE_SHADING:
240 case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
241 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
242 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
243 case PIPE_CAP_CLIP_HALFZ:
244 case PIPE_CAP_VERTEXID_NOBASE:
245 case PIPE_CAP_POLYGON_OFFSET_CLAMP:
246 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
247 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
248 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
249 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
250 case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
251 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
252 case PIPE_CAP_DEPTH_BOUNDS_TEST:
253 case PIPE_CAP_TGSI_TXQS:
254 case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
255 case PIPE_CAP_SHAREABLE_SHADERS:
256 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
257 case PIPE_CAP_CLEAR_TEXTURE:
258 case PIPE_CAP_DRAW_PARAMETERS:
259 case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
260 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
261 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
262 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
263 case PIPE_CAP_INVALIDATE_BUFFER:
264 case PIPE_CAP_GENERATE_MIPMAP:
265 case PIPE_CAP_STRING_MARKER:
266 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
267 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
268 case PIPE_CAP_QUERY_MEMORY_INFO:
269 case PIPE_CAP_PCI_GROUP:
270 case PIPE_CAP_PCI_BUS:
271 case PIPE_CAP_PCI_DEVICE:
272 case PIPE_CAP_PCI_FUNCTION:
273 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
274 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
275 case PIPE_CAP_CULL_DISTANCE:
276 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
277 case PIPE_CAP_TGSI_VOTE:
278 case PIPE_CAP_MAX_WINDOW_RECTANGLES:
279 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
280 case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
281 return 0;
282
283 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
284 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
285 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
286 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
287 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
288 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
289 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
290 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
291 case PIPE_CAP_DRAW_INDIRECT:
292 case PIPE_CAP_MULTI_DRAW_INDIRECT:
293 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
294 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
295 case PIPE_CAP_SAMPLER_VIEW_TARGET:
296 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
297 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
298 case PIPE_CAP_NATIVE_FENCE_FD:
299 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
300 case PIPE_CAP_TGSI_FS_FBFETCH:
301 return 0;
302
303 case PIPE_CAP_MAX_VIEWPORTS:
304 return 1;
305
306 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
307 return 64;
308
309 case PIPE_CAP_GLSL_FEATURE_LEVEL:
310 return 120;
311
312 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
313 return 16;
314
315 /* Features we can lie about (boolean caps). */
316 case PIPE_CAP_OCCLUSION_QUERY:
317 return is->debug.lie ? 1 : 0;
318
319 /* Texturing. */
320 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
321 return I915_MAX_TEXTURE_2D_LEVELS;
322 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
323 return I915_MAX_TEXTURE_3D_LEVELS;
324 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
325 return I915_MAX_TEXTURE_2D_LEVELS;
326 case PIPE_CAP_MIN_TEXEL_OFFSET:
327 case PIPE_CAP_MAX_TEXEL_OFFSET:
328 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
329 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
330 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
331 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
332 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
333 return 0;
334
335 /* Render targets. */
336 case PIPE_CAP_MAX_RENDER_TARGETS:
337 return 1;
338
339 /* Geometry shader output, unsupported. */
340 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
341 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
342 case PIPE_CAP_MAX_VERTEX_STREAMS:
343 return 0;
344
345 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
346 return 2048;
347
348 /* Fragment coordinate conventions. */
349 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
350 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
351 return 1;
352 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
353 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
354 return 0;
355 case PIPE_CAP_ENDIANNESS:
356 return PIPE_ENDIAN_LITTLE;
357
358 case PIPE_CAP_VENDOR_ID:
359 return 0x8086;
360 case PIPE_CAP_DEVICE_ID:
361 return is->iws->pci_id;
362 case PIPE_CAP_ACCELERATED:
363 return 1;
364 case PIPE_CAP_VIDEO_MEMORY: {
365 /* Once a batch uses more than 75% of the maximum mappable size, we
366 * assume that there's some fragmentation, and we start doing extra
367 * flushing, etc. That's the big cliff apps will care about.
368 */
369 const int gpu_mappable_megabytes = is->iws->aperture_size(is->iws) * 3 / 4;
370 uint64_t system_memory;
371
372 if (!os_get_total_physical_memory(&system_memory))
373 return 0;
374
375 return MIN2(gpu_mappable_megabytes, (int)(system_memory >> 20));
376 }
377 case PIPE_CAP_UMA:
378 return 1;
379
380 default:
381 debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
382 return 0;
383 }
384 }
385
386 static float
i915_get_paramf(struct pipe_screen * screen,enum pipe_capf cap)387 i915_get_paramf(struct pipe_screen *screen, enum pipe_capf cap)
388 {
389 switch(cap) {
390 case PIPE_CAPF_MAX_LINE_WIDTH:
391 /* fall-through */
392 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
393 return 7.5;
394
395 case PIPE_CAPF_MAX_POINT_WIDTH:
396 /* fall-through */
397 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
398 return 255.0;
399
400 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
401 return 4.0;
402
403 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
404 return 16.0;
405
406 default:
407 debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
408 return 0;
409 }
410 }
411
412 boolean
i915_is_format_supported(struct pipe_screen * screen,enum pipe_format format,enum pipe_texture_target target,unsigned sample_count,unsigned tex_usage)413 i915_is_format_supported(struct pipe_screen *screen,
414 enum pipe_format format,
415 enum pipe_texture_target target,
416 unsigned sample_count,
417 unsigned tex_usage)
418 {
419 static const enum pipe_format tex_supported[] = {
420 PIPE_FORMAT_B8G8R8A8_UNORM,
421 PIPE_FORMAT_B8G8R8A8_SRGB,
422 PIPE_FORMAT_B8G8R8X8_UNORM,
423 PIPE_FORMAT_R8G8B8A8_UNORM,
424 PIPE_FORMAT_R8G8B8X8_UNORM,
425 PIPE_FORMAT_B4G4R4A4_UNORM,
426 PIPE_FORMAT_B5G6R5_UNORM,
427 PIPE_FORMAT_B5G5R5A1_UNORM,
428 PIPE_FORMAT_B10G10R10A2_UNORM,
429 PIPE_FORMAT_L8_UNORM,
430 PIPE_FORMAT_A8_UNORM,
431 PIPE_FORMAT_I8_UNORM,
432 PIPE_FORMAT_L8A8_UNORM,
433 PIPE_FORMAT_UYVY,
434 PIPE_FORMAT_YUYV,
435 /* XXX why not?
436 PIPE_FORMAT_Z16_UNORM, */
437 PIPE_FORMAT_DXT1_RGB,
438 PIPE_FORMAT_DXT1_RGBA,
439 PIPE_FORMAT_DXT3_RGBA,
440 PIPE_FORMAT_DXT5_RGBA,
441 PIPE_FORMAT_Z24X8_UNORM,
442 PIPE_FORMAT_Z24_UNORM_S8_UINT,
443 PIPE_FORMAT_NONE /* list terminator */
444 };
445 static const enum pipe_format render_supported[] = {
446 PIPE_FORMAT_B8G8R8A8_UNORM,
447 PIPE_FORMAT_B8G8R8X8_UNORM,
448 PIPE_FORMAT_R8G8B8A8_UNORM,
449 PIPE_FORMAT_R8G8B8X8_UNORM,
450 PIPE_FORMAT_B5G6R5_UNORM,
451 PIPE_FORMAT_B5G5R5A1_UNORM,
452 PIPE_FORMAT_B4G4R4A4_UNORM,
453 PIPE_FORMAT_B10G10R10A2_UNORM,
454 PIPE_FORMAT_L8_UNORM,
455 PIPE_FORMAT_A8_UNORM,
456 PIPE_FORMAT_I8_UNORM,
457 PIPE_FORMAT_NONE /* list terminator */
458 };
459 static const enum pipe_format depth_supported[] = {
460 /* XXX why not?
461 PIPE_FORMAT_Z16_UNORM, */
462 PIPE_FORMAT_Z24X8_UNORM,
463 PIPE_FORMAT_Z24_UNORM_S8_UINT,
464 PIPE_FORMAT_NONE /* list terminator */
465 };
466 const enum pipe_format *list;
467 uint i;
468
469 if (!util_format_is_supported(format, tex_usage))
470 return FALSE;
471
472 if (sample_count > 1)
473 return FALSE;
474
475 if(tex_usage & PIPE_BIND_DEPTH_STENCIL)
476 list = depth_supported;
477 else if (tex_usage & PIPE_BIND_RENDER_TARGET)
478 list = render_supported;
479 else if (tex_usage & PIPE_BIND_SAMPLER_VIEW)
480 list = tex_supported;
481 else
482 return TRUE; /* PIPE_BIND_{VERTEX,INDEX}_BUFFER */
483
484 for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) {
485 if (list[i] == format)
486 return TRUE;
487 }
488
489 return FALSE;
490 }
491
492
493 /*
494 * Fence functions
495 */
496
497
498 static void
i915_fence_reference(struct pipe_screen * screen,struct pipe_fence_handle ** ptr,struct pipe_fence_handle * fence)499 i915_fence_reference(struct pipe_screen *screen,
500 struct pipe_fence_handle **ptr,
501 struct pipe_fence_handle *fence)
502 {
503 struct i915_screen *is = i915_screen(screen);
504
505 is->iws->fence_reference(is->iws, ptr, fence);
506 }
507
508 static boolean
i915_fence_finish(struct pipe_screen * screen,struct pipe_context * ctx,struct pipe_fence_handle * fence,uint64_t timeout)509 i915_fence_finish(struct pipe_screen *screen,
510 struct pipe_context *ctx,
511 struct pipe_fence_handle *fence,
512 uint64_t timeout)
513 {
514 struct i915_screen *is = i915_screen(screen);
515
516 if (!timeout)
517 return is->iws->fence_signalled(is->iws, fence) == 1;
518
519 return is->iws->fence_finish(is->iws, fence) == 1;
520 }
521
522
523 /*
524 * Generic functions
525 */
526
527
528 static void
i915_flush_frontbuffer(struct pipe_screen * screen,struct pipe_resource * resource,unsigned level,unsigned layer,void * winsys_drawable_handle,struct pipe_box * sub_box)529 i915_flush_frontbuffer(struct pipe_screen *screen,
530 struct pipe_resource *resource,
531 unsigned level, unsigned layer,
532 void *winsys_drawable_handle,
533 struct pipe_box *sub_box)
534 {
535 /* XXX: Dummy right now. */
536 (void)screen;
537 (void)resource;
538 (void)level;
539 (void)layer;
540 (void)winsys_drawable_handle;
541 (void)sub_box;
542 }
543
544 static void
i915_destroy_screen(struct pipe_screen * screen)545 i915_destroy_screen(struct pipe_screen *screen)
546 {
547 struct i915_screen *is = i915_screen(screen);
548
549 if (is->iws)
550 is->iws->destroy(is->iws);
551
552 FREE(is);
553 }
554
555 /**
556 * Create a new i915_screen object
557 */
558 struct pipe_screen *
i915_screen_create(struct i915_winsys * iws)559 i915_screen_create(struct i915_winsys *iws)
560 {
561 struct i915_screen *is = CALLOC_STRUCT(i915_screen);
562
563 if (!is)
564 return NULL;
565
566 switch (iws->pci_id) {
567 case PCI_CHIP_I915_G:
568 case PCI_CHIP_I915_GM:
569 is->is_i945 = FALSE;
570 break;
571
572 case PCI_CHIP_I945_G:
573 case PCI_CHIP_I945_GM:
574 case PCI_CHIP_I945_GME:
575 case PCI_CHIP_G33_G:
576 case PCI_CHIP_Q33_G:
577 case PCI_CHIP_Q35_G:
578 case PCI_CHIP_PINEVIEW_G:
579 case PCI_CHIP_PINEVIEW_M:
580 is->is_i945 = TRUE;
581 break;
582
583 default:
584 debug_printf("%s: unknown pci id 0x%x, cannot create screen\n",
585 __FUNCTION__, iws->pci_id);
586 FREE(is);
587 return NULL;
588 }
589
590 is->iws = iws;
591
592 is->base.destroy = i915_destroy_screen;
593 is->base.flush_frontbuffer = i915_flush_frontbuffer;
594
595 is->base.get_name = i915_get_name;
596 is->base.get_vendor = i915_get_vendor;
597 is->base.get_device_vendor = i915_get_device_vendor;
598 is->base.get_param = i915_get_param;
599 is->base.get_shader_param = i915_get_shader_param;
600 is->base.get_paramf = i915_get_paramf;
601 is->base.is_format_supported = i915_is_format_supported;
602
603 is->base.context_create = i915_create_context;
604
605 is->base.fence_reference = i915_fence_reference;
606 is->base.fence_finish = i915_fence_finish;
607
608 i915_init_screen_resource_functions(is);
609
610 i915_debug_init(is);
611
612 util_format_s3tc_init();
613
614 return &is->base;
615 }
616