1 /*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23
24 #include "util/format/u_format.h"
25 #include "util/format/u_format_s3tc.h"
26 #include "util/u_screen.h"
27 #include "util/u_memory.h"
28 #include "util/os_time.h"
29 #include "vl/vl_decoder.h"
30 #include "vl/vl_video_buffer.h"
31
32 #include "r300_context.h"
33 #include "r300_texture.h"
34 #include "r300_screen_buffer.h"
35 #include "r300_state_inlines.h"
36 #include "r300_public.h"
37
38 #include "draw/draw_context.h"
39
40 /* Return the identifier behind whom the brave coders responsible for this
41 * amalgamation of code, sweat, and duct tape, routinely obscure their names.
42 *
43 * ...I should have just put "Corbin Simpson", but I'm not that cool.
44 *
45 * (Or egotistical. Yet.) */
r300_get_vendor(struct pipe_screen * pscreen)46 static const char* r300_get_vendor(struct pipe_screen* pscreen)
47 {
48 return "X.Org R300 Project";
49 }
50
r300_get_device_vendor(struct pipe_screen * pscreen)51 static const char* r300_get_device_vendor(struct pipe_screen* pscreen)
52 {
53 return "ATI";
54 }
55
56 static const char* chip_families[] = {
57 "unknown",
58 "ATI R300",
59 "ATI R350",
60 "ATI RV350",
61 "ATI RV370",
62 "ATI RV380",
63 "ATI RS400",
64 "ATI RC410",
65 "ATI RS480",
66 "ATI R420",
67 "ATI R423",
68 "ATI R430",
69 "ATI R480",
70 "ATI R481",
71 "ATI RV410",
72 "ATI RS600",
73 "ATI RS690",
74 "ATI RS740",
75 "ATI RV515",
76 "ATI R520",
77 "ATI RV530",
78 "ATI R580",
79 "ATI RV560",
80 "ATI RV570"
81 };
82
r300_get_family_name(struct r300_screen * r300screen)83 static const char* r300_get_family_name(struct r300_screen* r300screen)
84 {
85 return chip_families[r300screen->caps.family];
86 }
87
r300_get_name(struct pipe_screen * pscreen)88 static const char* r300_get_name(struct pipe_screen* pscreen)
89 {
90 struct r300_screen* r300screen = r300_screen(pscreen);
91
92 return r300_get_family_name(r300screen);
93 }
94
r300_disk_cache_create(struct r300_screen * r300screen)95 static void r300_disk_cache_create(struct r300_screen* r300screen)
96 {
97 struct mesa_sha1 ctx;
98 unsigned char sha1[20];
99 char cache_id[20 * 2 + 1];
100
101 _mesa_sha1_init(&ctx);
102 if (!disk_cache_get_function_identifier(r300_disk_cache_create,
103 &ctx))
104 return;
105
106 _mesa_sha1_final(&ctx, sha1);
107 disk_cache_format_hex_id(cache_id, sha1, 20 * 2);
108
109 r300screen->disk_shader_cache =
110 disk_cache_create(r300_get_family_name(r300screen),
111 cache_id,
112 r300screen->debug);
113 }
114
r300_get_disk_shader_cache(struct pipe_screen * pscreen)115 static struct disk_cache* r300_get_disk_shader_cache(struct pipe_screen* pscreen)
116 {
117 struct r300_screen* r300screen = r300_screen(pscreen);
118 return r300screen->disk_shader_cache;
119 }
120
r300_get_param(struct pipe_screen * pscreen,enum pipe_cap param)121 static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
122 {
123 struct r300_screen* r300screen = r300_screen(pscreen);
124 boolean is_r500 = r300screen->caps.is_r500;
125
126 switch (param) {
127 /* Supported features (boolean caps). */
128 case PIPE_CAP_NPOT_TEXTURES:
129 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
130 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
131 case PIPE_CAP_ANISOTROPIC_FILTER:
132 case PIPE_CAP_POINT_SPRITE:
133 case PIPE_CAP_OCCLUSION_QUERY:
134 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
135 case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:
136 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
137 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
138 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
139 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
140 case PIPE_CAP_CONDITIONAL_RENDER:
141 case PIPE_CAP_TEXTURE_BARRIER:
142 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
143 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
144 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
145 case PIPE_CAP_CLIP_HALFZ:
146 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
147 return 1;
148
149 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
150 return R300_BUFFER_ALIGNMENT;
151
152 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
153 return 16;
154
155 case PIPE_CAP_GLSL_FEATURE_LEVEL:
156 case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
157 return 120;
158
159 /* r300 cannot do swizzling of compressed textures. Supported otherwise. */
160 case PIPE_CAP_TEXTURE_SWIZZLE:
161 return r300screen->caps.dxtc_swizzle;
162
163 /* We don't support color clamping on r500, so that we can use color
164 * interpolators for generic varyings. */
165 case PIPE_CAP_VERTEX_COLOR_CLAMPED:
166 return !is_r500;
167
168 /* Supported on r500 only. */
169 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
170 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
171 case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
172 case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
173 case PIPE_CAP_VERTEX_SHADER_SATURATE:
174 return is_r500 ? 1 : 0;
175
176 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
177 return 0;
178 case PIPE_CAP_SHAREABLE_SHADERS:
179 return 0;
180
181 case PIPE_CAP_MAX_GS_INVOCATIONS:
182 return 32;
183 case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
184 return 1 << 27;
185
186 /* SWTCL-only features. */
187 case PIPE_CAP_PRIMITIVE_RESTART:
188 case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
189 case PIPE_CAP_USER_VERTEX_BUFFERS:
190 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
191 return !r300screen->caps.has_tcl;
192
193 /* HWTCL-only features / limitations. */
194 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
195 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
196 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
197 return r300screen->caps.has_tcl;
198
199 /* Texturing. */
200 case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
201 return is_r500 ? 4096 : 2048;
202 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
203 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
204 /* 13 == 4096, 12 == 2048 */
205 return is_r500 ? 13 : 12;
206
207 /* Render targets. */
208 case PIPE_CAP_MAX_RENDER_TARGETS:
209 return 4;
210 case PIPE_CAP_ENDIANNESS:
211 return PIPE_ENDIAN_LITTLE;
212
213 case PIPE_CAP_MAX_VIEWPORTS:
214 return 1;
215
216 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
217 return 2048;
218
219 case PIPE_CAP_MAX_VARYINGS:
220 return 10;
221
222 case PIPE_CAP_VENDOR_ID:
223 return 0x1002;
224 case PIPE_CAP_DEVICE_ID:
225 return r300screen->info.pci_id;
226 case PIPE_CAP_ACCELERATED:
227 return 1;
228 case PIPE_CAP_VIDEO_MEMORY:
229 return r300screen->info.vram_size >> 20;
230 case PIPE_CAP_UMA:
231 return 0;
232 case PIPE_CAP_PCI_GROUP:
233 return r300screen->info.pci_domain;
234 case PIPE_CAP_PCI_BUS:
235 return r300screen->info.pci_bus;
236 case PIPE_CAP_PCI_DEVICE:
237 return r300screen->info.pci_dev;
238 case PIPE_CAP_PCI_FUNCTION:
239 return r300screen->info.pci_func;
240 default:
241 return u_pipe_screen_get_param_defaults(pscreen, param);
242 }
243 }
244
r300_get_shader_param(struct pipe_screen * pscreen,enum pipe_shader_type shader,enum pipe_shader_cap param)245 static int r300_get_shader_param(struct pipe_screen *pscreen,
246 enum pipe_shader_type shader,
247 enum pipe_shader_cap param)
248 {
249 struct r300_screen* r300screen = r300_screen(pscreen);
250 boolean is_r400 = r300screen->caps.is_r400;
251 boolean is_r500 = r300screen->caps.is_r500;
252
253 switch (shader) {
254 case PIPE_SHADER_FRAGMENT:
255 switch (param)
256 {
257 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
258 return is_r500 || is_r400 ? 512 : 96;
259 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
260 return is_r500 || is_r400 ? 512 : 64;
261 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
262 return is_r500 || is_r400 ? 512 : 32;
263 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
264 return is_r500 ? 511 : 4;
265 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
266 return is_r500 ? 64 : 0; /* Actually unlimited on r500. */
267 /* Fragment shader limits. */
268 case PIPE_SHADER_CAP_MAX_INPUTS:
269 /* 2 colors + 8 texcoords are always supported
270 * (minus fog and wpos).
271 *
272 * R500 has the ability to turn 3rd and 4th color into
273 * additional texcoords but there is no two-sided color
274 * selection then. However the facing bit can be used instead. */
275 return 10;
276 case PIPE_SHADER_CAP_MAX_OUTPUTS:
277 return 4;
278 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
279 return (is_r500 ? 256 : 32) * sizeof(float[4]);
280 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
281 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
282 return 1;
283 case PIPE_SHADER_CAP_MAX_TEMPS:
284 return is_r500 ? 128 : is_r400 ? 64 : 32;
285 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
286 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
287 return r300screen->caps.num_tex_units;
288 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
289 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
290 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
291 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
292 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
293 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
294 case PIPE_SHADER_CAP_SUBROUTINES:
295 case PIPE_SHADER_CAP_INTEGERS:
296 case PIPE_SHADER_CAP_INT64_ATOMICS:
297 case PIPE_SHADER_CAP_FP16:
298 case PIPE_SHADER_CAP_FP16_DERIVATIVES:
299 case PIPE_SHADER_CAP_FP16_CONST_BUFFERS:
300 case PIPE_SHADER_CAP_INT16:
301 case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
302 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
303 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
304 case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
305 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
306 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
307 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
308 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
309 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
310 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
311 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
312 return 0;
313 case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
314 return 32;
315 case PIPE_SHADER_CAP_PREFERRED_IR:
316 return PIPE_SHADER_IR_TGSI;
317 case PIPE_SHADER_CAP_SUPPORTED_IRS:
318 return 1 << PIPE_SHADER_IR_TGSI;
319 }
320 break;
321 case PIPE_SHADER_VERTEX:
322 switch (param)
323 {
324 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
325 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
326 case PIPE_SHADER_CAP_SUBROUTINES:
327 return 0;
328 default:;
329 }
330
331 if (!r300screen->caps.has_tcl) {
332 switch (param) {
333 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
334 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
335 return 0;
336 default:
337 return draw_get_shader_param(shader, param);
338 }
339 }
340
341 switch (param)
342 {
343 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
344 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
345 return is_r500 ? 1024 : 256;
346 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
347 return is_r500 ? 4 : 0; /* For loops; not sure about conditionals. */
348 case PIPE_SHADER_CAP_MAX_INPUTS:
349 return 16;
350 case PIPE_SHADER_CAP_MAX_OUTPUTS:
351 return 10;
352 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
353 return 256 * sizeof(float[4]);
354 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
355 return 1;
356 case PIPE_SHADER_CAP_MAX_TEMPS:
357 return 32;
358 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
359 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
360 return 1;
361 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
362 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
363 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
364 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
365 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
366 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
367 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
368 case PIPE_SHADER_CAP_SUBROUTINES:
369 case PIPE_SHADER_CAP_INTEGERS:
370 case PIPE_SHADER_CAP_FP16:
371 case PIPE_SHADER_CAP_FP16_CONST_BUFFERS:
372 case PIPE_SHADER_CAP_FP16_DERIVATIVES:
373 case PIPE_SHADER_CAP_INT16:
374 case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
375 case PIPE_SHADER_CAP_INT64_ATOMICS:
376 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
377 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
378 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
379 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
380 case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
381 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
382 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
383 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
384 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
385 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
386 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
387 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
388 return 0;
389 case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
390 return 32;
391 case PIPE_SHADER_CAP_PREFERRED_IR:
392 return PIPE_SHADER_IR_TGSI;
393 case PIPE_SHADER_CAP_SUPPORTED_IRS:
394 return 1 << PIPE_SHADER_IR_TGSI;
395 }
396 break;
397 default:
398 ; /* nothing */
399 }
400 return 0;
401 }
402
r300_get_paramf(struct pipe_screen * pscreen,enum pipe_capf param)403 static float r300_get_paramf(struct pipe_screen* pscreen,
404 enum pipe_capf param)
405 {
406 struct r300_screen* r300screen = r300_screen(pscreen);
407
408 switch (param) {
409 case PIPE_CAPF_MAX_LINE_WIDTH:
410 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
411 case PIPE_CAPF_MAX_POINT_WIDTH:
412 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
413 /* The maximum dimensions of the colorbuffer are our practical
414 * rendering limits. 2048 pixels should be enough for anybody. */
415 if (r300screen->caps.is_r500) {
416 return 4096.0f;
417 } else if (r300screen->caps.is_r400) {
418 return 4021.0f;
419 } else {
420 return 2560.0f;
421 }
422 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
423 return 16.0f;
424 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
425 return 16.0f;
426 case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
427 case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
428 case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
429 return 0.0f;
430 default:
431 debug_printf("r300: Warning: Unknown CAP %d in get_paramf.\n",
432 param);
433 return 0.0f;
434 }
435 }
436
r300_get_video_param(struct pipe_screen * screen,enum pipe_video_profile profile,enum pipe_video_entrypoint entrypoint,enum pipe_video_cap param)437 static int r300_get_video_param(struct pipe_screen *screen,
438 enum pipe_video_profile profile,
439 enum pipe_video_entrypoint entrypoint,
440 enum pipe_video_cap param)
441 {
442 switch (param) {
443 case PIPE_VIDEO_CAP_SUPPORTED:
444 return vl_profile_supported(screen, profile, entrypoint);
445 case PIPE_VIDEO_CAP_NPOT_TEXTURES:
446 return 0;
447 case PIPE_VIDEO_CAP_MAX_WIDTH:
448 case PIPE_VIDEO_CAP_MAX_HEIGHT:
449 return vl_video_buffer_max_size(screen);
450 case PIPE_VIDEO_CAP_PREFERED_FORMAT:
451 return PIPE_FORMAT_NV12;
452 case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
453 return false;
454 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
455 return false;
456 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
457 return true;
458 case PIPE_VIDEO_CAP_MAX_LEVEL:
459 return vl_level_supported(screen, profile);
460 default:
461 return 0;
462 }
463 }
464
465 /**
466 * Whether the format matches:
467 * PIPE_FORMAT_?10?10?10?2_UNORM
468 */
469 static inline boolean
util_format_is_rgba1010102_variant(const struct util_format_description * desc)470 util_format_is_rgba1010102_variant(const struct util_format_description *desc)
471 {
472 static const unsigned size[4] = {10, 10, 10, 2};
473 unsigned chan;
474
475 if (desc->block.width != 1 ||
476 desc->block.height != 1 ||
477 desc->block.bits != 32)
478 return FALSE;
479
480 for (chan = 0; chan < 4; ++chan) {
481 if(desc->channel[chan].type != UTIL_FORMAT_TYPE_UNSIGNED &&
482 desc->channel[chan].type != UTIL_FORMAT_TYPE_VOID)
483 return FALSE;
484 if (desc->channel[chan].size != size[chan])
485 return FALSE;
486 }
487
488 return TRUE;
489 }
490
r300_is_blending_supported(struct r300_screen * rscreen,enum pipe_format format)491 static bool r300_is_blending_supported(struct r300_screen *rscreen,
492 enum pipe_format format)
493 {
494 int c;
495 const struct util_format_description *desc =
496 util_format_description(format);
497
498 if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
499 return false;
500
501 c = util_format_get_first_non_void_channel(format);
502
503 /* RGBA16F */
504 if (rscreen->caps.is_r500 &&
505 desc->nr_channels == 4 &&
506 desc->channel[c].size == 16 &&
507 desc->channel[c].type == UTIL_FORMAT_TYPE_FLOAT)
508 return true;
509
510 if (desc->channel[c].normalized &&
511 desc->channel[c].type == UTIL_FORMAT_TYPE_UNSIGNED &&
512 desc->channel[c].size >= 4 &&
513 desc->channel[c].size <= 10) {
514 /* RGB10_A2, RGBA8, RGB5_A1, RGBA4, RGB565 */
515 if (desc->nr_channels >= 3)
516 return true;
517
518 if (format == PIPE_FORMAT_R8G8_UNORM)
519 return true;
520
521 /* R8, I8, L8, A8 */
522 if (desc->nr_channels == 1)
523 return true;
524 }
525
526 return false;
527 }
528
r300_is_format_supported(struct pipe_screen * screen,enum pipe_format format,enum pipe_texture_target target,unsigned sample_count,unsigned storage_sample_count,unsigned usage)529 static bool r300_is_format_supported(struct pipe_screen* screen,
530 enum pipe_format format,
531 enum pipe_texture_target target,
532 unsigned sample_count,
533 unsigned storage_sample_count,
534 unsigned usage)
535 {
536 uint32_t retval = 0;
537 boolean is_r500 = r300_screen(screen)->caps.is_r500;
538 boolean is_r400 = r300_screen(screen)->caps.is_r400;
539 boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM ||
540 format == PIPE_FORMAT_R10G10B10X2_SNORM ||
541 format == PIPE_FORMAT_B10G10R10A2_UNORM ||
542 format == PIPE_FORMAT_B10G10R10X2_UNORM ||
543 format == PIPE_FORMAT_R10SG10SB10SA2U_NORM;
544 boolean is_ati1n = format == PIPE_FORMAT_RGTC1_UNORM ||
545 format == PIPE_FORMAT_RGTC1_SNORM ||
546 format == PIPE_FORMAT_LATC1_UNORM ||
547 format == PIPE_FORMAT_LATC1_SNORM;
548 boolean is_ati2n = format == PIPE_FORMAT_RGTC2_UNORM ||
549 format == PIPE_FORMAT_RGTC2_SNORM ||
550 format == PIPE_FORMAT_LATC2_UNORM ||
551 format == PIPE_FORMAT_LATC2_SNORM;
552 boolean is_half_float = format == PIPE_FORMAT_R16_FLOAT ||
553 format == PIPE_FORMAT_R16G16_FLOAT ||
554 format == PIPE_FORMAT_R16G16B16_FLOAT ||
555 format == PIPE_FORMAT_R16G16B16A16_FLOAT ||
556 format == PIPE_FORMAT_R16G16B16X16_FLOAT;
557 const struct util_format_description *desc;
558
559 if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
560 return false;
561
562 /* Check multisampling support. */
563 switch (sample_count) {
564 case 0:
565 case 1:
566 break;
567 case 2:
568 case 4:
569 case 6:
570 /* No texturing and scanout. */
571 if (usage & (PIPE_BIND_SAMPLER_VIEW |
572 PIPE_BIND_DISPLAY_TARGET |
573 PIPE_BIND_SCANOUT)) {
574 return false;
575 }
576
577 desc = util_format_description(format);
578
579 if (is_r500) {
580 /* Only allow depth/stencil, RGBA8, RGBA1010102, RGBA16F. */
581 if (!util_format_is_depth_or_stencil(format) &&
582 !util_format_is_rgba8_variant(desc) &&
583 !util_format_is_rgba1010102_variant(desc) &&
584 format != PIPE_FORMAT_R16G16B16A16_FLOAT &&
585 format != PIPE_FORMAT_R16G16B16X16_FLOAT) {
586 return false;
587 }
588 } else {
589 /* Only allow depth/stencil, RGBA8. */
590 if (!util_format_is_depth_or_stencil(format) &&
591 !util_format_is_rgba8_variant(desc)) {
592 return false;
593 }
594 }
595 break;
596 default:
597 return false;
598 }
599
600 /* Check sampler format support. */
601 if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
602 /* these two are broken for an unknown reason */
603 format != PIPE_FORMAT_R8G8B8X8_SNORM &&
604 format != PIPE_FORMAT_R16G16B16X16_SNORM &&
605 /* ATI1N is r5xx-only. */
606 (is_r500 || !is_ati1n) &&
607 /* ATI2N is supported on r4xx-r5xx. */
608 (is_r400 || is_r500 || !is_ati2n) &&
609 r300_is_sampler_format_supported(format)) {
610 retval |= PIPE_BIND_SAMPLER_VIEW;
611 }
612
613 /* Check colorbuffer format support. */
614 if ((usage & (PIPE_BIND_RENDER_TARGET |
615 PIPE_BIND_DISPLAY_TARGET |
616 PIPE_BIND_SCANOUT |
617 PIPE_BIND_SHARED |
618 PIPE_BIND_BLENDABLE)) &&
619 /* 2101010 cannot be rendered to on non-r5xx. */
620 (!is_color2101010 || is_r500) &&
621 r300_is_colorbuffer_format_supported(format)) {
622 retval |= usage &
623 (PIPE_BIND_RENDER_TARGET |
624 PIPE_BIND_DISPLAY_TARGET |
625 PIPE_BIND_SCANOUT |
626 PIPE_BIND_SHARED);
627
628 if (r300_is_blending_supported(r300_screen(screen), format)) {
629 retval |= usage & PIPE_BIND_BLENDABLE;
630 }
631 }
632
633 /* Check depth-stencil format support. */
634 if (usage & PIPE_BIND_DEPTH_STENCIL &&
635 r300_is_zs_format_supported(format)) {
636 retval |= PIPE_BIND_DEPTH_STENCIL;
637 }
638
639 /* Check vertex buffer format support. */
640 if (usage & PIPE_BIND_VERTEX_BUFFER) {
641 if (r300_screen(screen)->caps.has_tcl) {
642 /* Half float is supported on >= R400. */
643 if ((is_r400 || is_r500 || !is_half_float) &&
644 r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT) {
645 retval |= PIPE_BIND_VERTEX_BUFFER;
646 }
647 } else {
648 /* SW TCL */
649 if (!util_format_is_pure_integer(format)) {
650 retval |= PIPE_BIND_VERTEX_BUFFER;
651 }
652 }
653 }
654
655 if (usage & PIPE_BIND_INDEX_BUFFER) {
656 if (format == PIPE_FORMAT_R8_UINT ||
657 format == PIPE_FORMAT_R16_UINT ||
658 format == PIPE_FORMAT_R32_UINT)
659 retval |= PIPE_BIND_INDEX_BUFFER;
660 }
661
662 return retval == usage;
663 }
664
r300_destroy_screen(struct pipe_screen * pscreen)665 static void r300_destroy_screen(struct pipe_screen* pscreen)
666 {
667 struct r300_screen* r300screen = r300_screen(pscreen);
668 struct radeon_winsys *rws = radeon_winsys(pscreen);
669
670 if (rws && !rws->unref(rws))
671 return;
672
673 mtx_destroy(&r300screen->cmask_mutex);
674 slab_destroy_parent(&r300screen->pool_transfers);
675
676 disk_cache_destroy(r300screen->disk_shader_cache);
677
678 if (rws)
679 rws->destroy(rws);
680
681 FREE(r300screen);
682 }
683
r300_fence_reference(struct pipe_screen * screen,struct pipe_fence_handle ** ptr,struct pipe_fence_handle * fence)684 static void r300_fence_reference(struct pipe_screen *screen,
685 struct pipe_fence_handle **ptr,
686 struct pipe_fence_handle *fence)
687 {
688 struct radeon_winsys *rws = r300_screen(screen)->rws;
689
690 rws->fence_reference(ptr, fence);
691 }
692
r300_fence_finish(struct pipe_screen * screen,struct pipe_context * ctx,struct pipe_fence_handle * fence,uint64_t timeout)693 static bool r300_fence_finish(struct pipe_screen *screen,
694 struct pipe_context *ctx,
695 struct pipe_fence_handle *fence,
696 uint64_t timeout)
697 {
698 struct radeon_winsys *rws = r300_screen(screen)->rws;
699
700 return rws->fence_wait(rws, fence, timeout);
701 }
702
r300_screen_create(struct radeon_winsys * rws,const struct pipe_screen_config * config)703 struct pipe_screen* r300_screen_create(struct radeon_winsys *rws,
704 const struct pipe_screen_config *config)
705 {
706 struct r300_screen *r300screen = CALLOC_STRUCT(r300_screen);
707
708 if (!r300screen) {
709 FREE(r300screen);
710 return NULL;
711 }
712
713 rws->query_info(rws, &r300screen->info, false, false);
714
715 r300_init_debug(r300screen);
716 r300_parse_chipset(r300screen->info.pci_id, &r300screen->caps);
717
718 if (SCREEN_DBG_ON(r300screen, DBG_NO_ZMASK))
719 r300screen->caps.zmask_ram = 0;
720 if (SCREEN_DBG_ON(r300screen, DBG_NO_HIZ))
721 r300screen->caps.hiz_ram = 0;
722
723 r300screen->rws = rws;
724 r300screen->screen.destroy = r300_destroy_screen;
725 r300screen->screen.get_name = r300_get_name;
726 r300screen->screen.get_vendor = r300_get_vendor;
727 r300screen->screen.get_device_vendor = r300_get_device_vendor;
728 r300screen->screen.get_disk_shader_cache = r300_get_disk_shader_cache;
729 r300screen->screen.get_param = r300_get_param;
730 r300screen->screen.get_shader_param = r300_get_shader_param;
731 r300screen->screen.get_paramf = r300_get_paramf;
732 r300screen->screen.get_video_param = r300_get_video_param;
733 r300screen->screen.is_format_supported = r300_is_format_supported;
734 r300screen->screen.is_video_format_supported = vl_video_buffer_is_format_supported;
735 r300screen->screen.context_create = r300_create_context;
736 r300screen->screen.fence_reference = r300_fence_reference;
737 r300screen->screen.fence_finish = r300_fence_finish;
738
739 r300_init_screen_resource_functions(r300screen);
740
741 r300_disk_cache_create(r300screen);
742
743 slab_create_parent(&r300screen->pool_transfers, sizeof(struct pipe_transfer), 64);
744
745 (void) mtx_init(&r300screen->cmask_mutex, mtx_plain);
746
747 return &r300screen->screen;
748 }
749