nvc0: add compute invocation counter
[mesa.git] / src / gallium / drivers / nouveau / nvc0 / nvc0_screen.c
1 /*
2 * Copyright 2010 Christoph Bumiller
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #include <xf86drm.h>
24 #include <nouveau_drm.h>
25 #include <nvif/class.h>
26 #include "util/u_format.h"
27 #include "util/u_format_s3tc.h"
28 #include "util/u_screen.h"
29 #include "pipe/p_screen.h"
30
31 #include "nouveau_vp3_video.h"
32
33 #include "nvc0/nvc0_context.h"
34 #include "nvc0/nvc0_screen.h"
35
36 #include "nvc0/mme/com9097.mme.h"
37 #include "nvc0/mme/com90c0.mme.h"
38
39 #include "nv50/g80_texture.xml.h"
40
41 static boolean
42 nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
43 enum pipe_format format,
44 enum pipe_texture_target target,
45 unsigned sample_count,
46 unsigned storage_sample_count,
47 unsigned bindings)
48 {
49 const struct util_format_description *desc = util_format_description(format);
50
51 if (sample_count > 8)
52 return false;
53 if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
54 return false;
55
56 if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
57 return false;
58
59 /* Short-circuit the rest of the logic -- this is used by the state tracker
60 * to determine valid MS levels in a no-attachments scenario.
61 */
62 if (format == PIPE_FORMAT_NONE && bindings & PIPE_BIND_RENDER_TARGET)
63 return true;
64
65 if ((bindings & PIPE_BIND_SAMPLER_VIEW) && (target != PIPE_BUFFER))
66 if (util_format_get_blocksizebits(format) == 3 * 32)
67 return false;
68
69 if (bindings & PIPE_BIND_LINEAR)
70 if (util_format_is_depth_or_stencil(format) ||
71 (target != PIPE_TEXTURE_1D &&
72 target != PIPE_TEXTURE_2D &&
73 target != PIPE_TEXTURE_RECT) ||
74 sample_count > 1)
75 return false;
76
77 /* Restrict ETC2 and ASTC formats here. These are only supported on GK20A.
78 */
79 if ((desc->layout == UTIL_FORMAT_LAYOUT_ETC ||
80 desc->layout == UTIL_FORMAT_LAYOUT_ASTC) &&
81 /* The claim is that this should work on GM107 but it doesn't. Need to
82 * test further and figure out if it's a nouveau issue or a HW one.
83 nouveau_screen(pscreen)->class_3d < GM107_3D_CLASS &&
84 */
85 nouveau_screen(pscreen)->class_3d != NVEA_3D_CLASS)
86 return false;
87
88 /* shared is always supported */
89 bindings &= ~(PIPE_BIND_LINEAR |
90 PIPE_BIND_SHARED);
91
92 if (bindings & PIPE_BIND_SHADER_IMAGE) {
93 if (format == PIPE_FORMAT_B8G8R8A8_UNORM &&
94 nouveau_screen(pscreen)->class_3d < NVE4_3D_CLASS) {
95 /* This should work on Fermi, but for currently unknown reasons it
96 * does not and results in breaking reads from pbos. */
97 return false;
98 }
99 }
100
101 return (( nvc0_format_table[format].usage |
102 nvc0_vertex_format[format].usage) & bindings) == bindings;
103 }
104
105 static int
106 nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
107 {
108 const uint16_t class_3d = nouveau_screen(pscreen)->class_3d;
109 struct nouveau_device *dev = nouveau_screen(pscreen)->device;
110
111 switch (param) {
112 /* non-boolean caps */
113 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
114 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
115 return 15;
116 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
117 return 12;
118 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
119 return 2048;
120 case PIPE_CAP_MIN_TEXEL_OFFSET:
121 return -8;
122 case PIPE_CAP_MAX_TEXEL_OFFSET:
123 return 7;
124 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
125 return -32;
126 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
127 return 31;
128 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
129 return 128 * 1024 * 1024;
130 case PIPE_CAP_GLSL_FEATURE_LEVEL:
131 return 430;
132 case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
133 return 430;
134 case PIPE_CAP_MAX_RENDER_TARGETS:
135 return 8;
136 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
137 return 1;
138 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
139 case PIPE_CAP_RASTERIZER_SUBPIXEL_BITS:
140 return 8;
141 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
142 return 4;
143 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
144 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
145 return 128;
146 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
147 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
148 return 1024;
149 case PIPE_CAP_MAX_VERTEX_STREAMS:
150 return 4;
151 case PIPE_CAP_MAX_GS_INVOCATIONS:
152 return 32;
153 case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
154 return 1 << 27;
155 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
156 return 2048;
157 case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
158 return 2047;
159 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
160 return 256;
161 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
162 if (class_3d < GM107_3D_CLASS)
163 return 256; /* IMAGE bindings require alignment to 256 */
164 return 16;
165 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
166 return 16;
167 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
168 return NOUVEAU_MIN_BUFFER_MAP_ALIGN;
169 case PIPE_CAP_MAX_VIEWPORTS:
170 return NVC0_MAX_VIEWPORTS;
171 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
172 return 4;
173 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
174 return PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50;
175 case PIPE_CAP_ENDIANNESS:
176 return PIPE_ENDIAN_LITTLE;
177 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
178 return 30;
179 case PIPE_CAP_MAX_WINDOW_RECTANGLES:
180 return NVC0_MAX_WINDOW_RECTANGLES;
181 case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
182 return class_3d >= GM200_3D_CLASS ? 8 : 0;
183 case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
184 return 64 * 1024 * 1024;
185
186 /* supported caps */
187 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
188 case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:
189 case PIPE_CAP_TEXTURE_SWIZZLE:
190 case PIPE_CAP_NPOT_TEXTURES:
191 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
192 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
193 case PIPE_CAP_ANISOTROPIC_FILTER:
194 case PIPE_CAP_SEAMLESS_CUBE_MAP:
195 case PIPE_CAP_CUBE_MAP_ARRAY:
196 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
197 case PIPE_CAP_TEXTURE_MULTISAMPLE:
198 case PIPE_CAP_DEPTH_CLIP_DISABLE:
199 case PIPE_CAP_POINT_SPRITE:
200 case PIPE_CAP_TGSI_TEXCOORD:
201 case PIPE_CAP_SM3:
202 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
203 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
204 case PIPE_CAP_VERTEX_COLOR_CLAMPED:
205 case PIPE_CAP_QUERY_TIMESTAMP:
206 case PIPE_CAP_QUERY_TIME_ELAPSED:
207 case PIPE_CAP_OCCLUSION_QUERY:
208 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
209 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
210 case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
211 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
212 case PIPE_CAP_INDEP_BLEND_ENABLE:
213 case PIPE_CAP_INDEP_BLEND_FUNC:
214 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
215 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
216 case PIPE_CAP_PRIMITIVE_RESTART:
217 case PIPE_CAP_TGSI_INSTANCEID:
218 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
219 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
220 case PIPE_CAP_CONDITIONAL_RENDER:
221 case PIPE_CAP_TEXTURE_BARRIER:
222 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
223 case PIPE_CAP_START_INSTANCE:
224 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
225 case PIPE_CAP_DRAW_INDIRECT:
226 case PIPE_CAP_USER_VERTEX_BUFFERS:
227 case PIPE_CAP_TEXTURE_QUERY_LOD:
228 case PIPE_CAP_SAMPLE_SHADING:
229 case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
230 case PIPE_CAP_TEXTURE_GATHER_SM5:
231 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
232 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
233 case PIPE_CAP_SAMPLER_VIEW_TARGET:
234 case PIPE_CAP_CLIP_HALFZ:
235 case PIPE_CAP_POLYGON_OFFSET_CLAMP:
236 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
237 case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
238 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
239 case PIPE_CAP_DEPTH_BOUNDS_TEST:
240 case PIPE_CAP_TGSI_TXQS:
241 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
242 case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
243 case PIPE_CAP_SHAREABLE_SHADERS:
244 case PIPE_CAP_CLEAR_TEXTURE:
245 case PIPE_CAP_DRAW_PARAMETERS:
246 case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
247 case PIPE_CAP_MULTI_DRAW_INDIRECT:
248 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
249 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
250 case PIPE_CAP_QUERY_BUFFER_OBJECT:
251 case PIPE_CAP_INVALIDATE_BUFFER:
252 case PIPE_CAP_STRING_MARKER:
253 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
254 case PIPE_CAP_CULL_DISTANCE:
255 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
256 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
257 case PIPE_CAP_TGSI_VOTE:
258 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
259 case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
260 case PIPE_CAP_TGSI_MUL_ZERO_WINS:
261 case PIPE_CAP_DOUBLES:
262 case PIPE_CAP_INT64:
263 case PIPE_CAP_TGSI_TEX_TXF_LZ:
264 case PIPE_CAP_TGSI_CLOCK:
265 case PIPE_CAP_COMPUTE:
266 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
267 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
268 case PIPE_CAP_QUERY_SO_OVERFLOW:
269 case PIPE_CAP_DEST_SURFACE_SRGB_CONTROL:
270 return 1;
271 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
272 return nouveau_screen(pscreen)->vram_domain & NOUVEAU_BO_VRAM ? 1 : 0;
273 case PIPE_CAP_TGSI_FS_FBFETCH:
274 return class_3d >= NVE4_3D_CLASS; /* needs testing on fermi */
275 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
276 case PIPE_CAP_TGSI_BALLOT:
277 case PIPE_CAP_BINDLESS_TEXTURE:
278 return class_3d >= NVE4_3D_CLASS;
279 case PIPE_CAP_TGSI_ATOMFADD:
280 return class_3d < GM107_3D_CLASS; /* needs additional lowering */
281 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
282 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
283 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
284 case PIPE_CAP_POST_DEPTH_COVERAGE:
285 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
286 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
287 case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
288 case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
289 return class_3d >= GM200_3D_CLASS;
290 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
291 return class_3d >= GP100_3D_CLASS;
292
293 /* unsupported caps */
294 case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
295 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
296 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
297 case PIPE_CAP_SHADER_STENCIL_EXPORT:
298 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
299 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
300 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
301 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
302 case PIPE_CAP_FAKE_SW_MSAA:
303 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
304 case PIPE_CAP_VERTEXID_NOBASE:
305 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
306 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
307 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
308 case PIPE_CAP_GENERATE_MIPMAP:
309 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
310 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
311 case PIPE_CAP_QUERY_MEMORY_INFO:
312 case PIPE_CAP_PCI_GROUP:
313 case PIPE_CAP_PCI_BUS:
314 case PIPE_CAP_PCI_DEVICE:
315 case PIPE_CAP_PCI_FUNCTION:
316 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
317 case PIPE_CAP_NATIVE_FENCE_FD:
318 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
319 case PIPE_CAP_INT64_DIVMOD:
320 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
321 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
322 case PIPE_CAP_MEMOBJ:
323 case PIPE_CAP_LOAD_CONSTBUF:
324 case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
325 case PIPE_CAP_TILE_RASTER_ORDER:
326 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
327 case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS:
328 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
329 case PIPE_CAP_CONTEXT_PRIORITY_MASK:
330 case PIPE_CAP_FENCE_SIGNAL:
331 case PIPE_CAP_CONSTBUF0_FLAGS:
332 case PIPE_CAP_PACKED_UNIFORMS:
333 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
334 case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS:
335 case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS:
336 case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTER_BUFFERS:
337 case PIPE_CAP_SURFACE_SAMPLE_COUNT:
338 case PIPE_CAP_QUERY_PIPELINE_STATISTICS_SINGLE:
339 case PIPE_CAP_RGB_OVERRIDE_DST_ALPHA_BLEND:
340 case PIPE_CAP_GLSL_TESS_LEVELS_AS_INPUTS:
341 return 0;
342
343 case PIPE_CAP_VENDOR_ID:
344 return 0x10de;
345 case PIPE_CAP_DEVICE_ID: {
346 uint64_t device_id;
347 if (nouveau_getparam(dev, NOUVEAU_GETPARAM_PCI_DEVICE, &device_id)) {
348 NOUVEAU_ERR("NOUVEAU_GETPARAM_PCI_DEVICE failed.\n");
349 return -1;
350 }
351 return device_id;
352 }
353 case PIPE_CAP_ACCELERATED:
354 return 1;
355 case PIPE_CAP_VIDEO_MEMORY:
356 return dev->vram_size >> 20;
357 case PIPE_CAP_UMA:
358 return 0;
359 default:
360 debug_printf("%s: unhandled cap %d\n", __func__, param);
361 return u_pipe_screen_get_param_defaults(pscreen, param);
362 }
363 }
364
365 static int
366 nvc0_screen_get_shader_param(struct pipe_screen *pscreen,
367 enum pipe_shader_type shader,
368 enum pipe_shader_cap param)
369 {
370 const uint16_t class_3d = nouveau_screen(pscreen)->class_3d;
371
372 switch (shader) {
373 case PIPE_SHADER_VERTEX:
374 case PIPE_SHADER_GEOMETRY:
375 case PIPE_SHADER_FRAGMENT:
376 case PIPE_SHADER_COMPUTE:
377 case PIPE_SHADER_TESS_CTRL:
378 case PIPE_SHADER_TESS_EVAL:
379 break;
380 default:
381 return 0;
382 }
383
384 switch (param) {
385 case PIPE_SHADER_CAP_PREFERRED_IR:
386 return PIPE_SHADER_IR_TGSI;
387 case PIPE_SHADER_CAP_SUPPORTED_IRS:
388 return 1 << PIPE_SHADER_IR_TGSI;
389 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
390 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
391 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
392 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
393 return 16384;
394 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
395 return 16;
396 case PIPE_SHADER_CAP_MAX_INPUTS:
397 if (shader == PIPE_SHADER_VERTEX)
398 return 32;
399 /* NOTE: These only count our slots for GENERIC varyings.
400 * The address space may be larger, but the actual hard limit seems to be
401 * less than what the address space layout permits, so don't add TEXCOORD,
402 * COLOR, etc. here.
403 */
404 if (shader == PIPE_SHADER_FRAGMENT)
405 return 0x1f0 / 16;
406 /* Actually this counts CLIPVERTEX, which occupies the last generic slot,
407 * and excludes 0x60 per-patch inputs.
408 */
409 return 0x200 / 16;
410 case PIPE_SHADER_CAP_MAX_OUTPUTS:
411 return 32;
412 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
413 return NVC0_MAX_CONSTBUF_SIZE;
414 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
415 return NVC0_MAX_PIPE_CONSTBUFS;
416 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
417 return shader != PIPE_SHADER_FRAGMENT;
418 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
419 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
420 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
421 return 1;
422 case PIPE_SHADER_CAP_MAX_TEMPS:
423 return NVC0_CAP_MAX_PROGRAM_TEMPS;
424 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
425 return 1;
426 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
427 return 1;
428 case PIPE_SHADER_CAP_SUBROUTINES:
429 return 1;
430 case PIPE_SHADER_CAP_INTEGERS:
431 return 1;
432 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
433 return 1;
434 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
435 return 1;
436 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
437 return 1;
438 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
439 case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
440 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
441 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
442 case PIPE_SHADER_CAP_INT64_ATOMICS:
443 case PIPE_SHADER_CAP_FP16:
444 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
445 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
446 return 0;
447 case PIPE_SHADER_CAP_SCALAR_ISA:
448 return 1;
449 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
450 return NVC0_MAX_BUFFERS;
451 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
452 return (class_3d >= NVE4_3D_CLASS) ? 32 : 16;
453 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
454 return (class_3d >= NVE4_3D_CLASS) ? 32 : 16;
455 case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
456 return 32;
457 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
458 if (class_3d >= NVE4_3D_CLASS)
459 return NVC0_MAX_IMAGES;
460 if (shader == PIPE_SHADER_FRAGMENT || shader == PIPE_SHADER_COMPUTE)
461 return NVC0_MAX_IMAGES;
462 return 0;
463 default:
464 NOUVEAU_ERR("unknown PIPE_SHADER_CAP %d\n", param);
465 return 0;
466 }
467 }
468
469 static float
470 nvc0_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
471 {
472 const uint16_t class_3d = nouveau_screen(pscreen)->class_3d;
473
474 switch (param) {
475 case PIPE_CAPF_MAX_LINE_WIDTH:
476 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
477 return 10.0f;
478 case PIPE_CAPF_MAX_POINT_WIDTH:
479 return 63.0f;
480 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
481 return 63.375f;
482 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
483 return 16.0f;
484 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
485 return 15.0f;
486 case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
487 return 0.0f;
488 case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
489 return class_3d >= GM200_3D_CLASS ? 0.75f : 0.0f;
490 case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
491 return class_3d >= GM200_3D_CLASS ? 0.25f : 0.0f;
492 }
493
494 NOUVEAU_ERR("unknown PIPE_CAPF %d\n", param);
495 return 0.0f;
496 }
497
498 static int
499 nvc0_screen_get_compute_param(struct pipe_screen *pscreen,
500 enum pipe_shader_ir ir_type,
501 enum pipe_compute_cap param, void *data)
502 {
503 struct nvc0_screen *screen = nvc0_screen(pscreen);
504 const uint16_t obj_class = screen->compute->oclass;
505
506 #define RET(x) do { \
507 if (data) \
508 memcpy(data, x, sizeof(x)); \
509 return sizeof(x); \
510 } while (0)
511
512 switch (param) {
513 case PIPE_COMPUTE_CAP_GRID_DIMENSION:
514 RET((uint64_t []) { 3 });
515 case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
516 if (obj_class >= NVE4_COMPUTE_CLASS) {
517 RET(((uint64_t []) { 0x7fffffff, 65535, 65535 }));
518 } else {
519 RET(((uint64_t []) { 65535, 65535, 65535 }));
520 }
521 case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
522 RET(((uint64_t []) { 1024, 1024, 64 }));
523 case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
524 RET((uint64_t []) { 1024 });
525 case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
526 if (obj_class >= NVE4_COMPUTE_CLASS) {
527 RET((uint64_t []) { 1024 });
528 } else {
529 RET((uint64_t []) { 512 });
530 }
531 case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE: /* g[] */
532 RET((uint64_t []) { 1ULL << 40 });
533 case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE: /* s[] */
534 switch (obj_class) {
535 case GM200_COMPUTE_CLASS:
536 RET((uint64_t []) { 96 << 10 });
537 break;
538 case GM107_COMPUTE_CLASS:
539 RET((uint64_t []) { 64 << 10 });
540 break;
541 default:
542 RET((uint64_t []) { 48 << 10 });
543 break;
544 }
545 case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE: /* l[] */
546 RET((uint64_t []) { 512 << 10 });
547 case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE: /* c[], arbitrary limit */
548 RET((uint64_t []) { 4096 });
549 case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
550 RET((uint32_t []) { 32 });
551 case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
552 RET((uint64_t []) { 1ULL << 40 });
553 case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
554 RET((uint32_t []) { 0 });
555 case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
556 RET((uint32_t []) { screen->mp_count_compute });
557 case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
558 RET((uint32_t []) { 512 }); /* FIXME: arbitrary limit */
559 case PIPE_COMPUTE_CAP_ADDRESS_BITS:
560 RET((uint32_t []) { 64 });
561 default:
562 return 0;
563 }
564
565 #undef RET
566 }
567
568 static void
569 nvc0_screen_get_sample_pixel_grid(struct pipe_screen *pscreen,
570 unsigned sample_count,
571 unsigned *width, unsigned *height)
572 {
573 switch (sample_count) {
574 case 0:
575 case 1:
576 /* this could be 4x4, but the GL state tracker makes it difficult to
577 * create a 1x MSAA texture and smaller grids save CB space */
578 *width = 2;
579 *height = 4;
580 break;
581 case 2:
582 *width = 2;
583 *height = 4;
584 break;
585 case 4:
586 *width = 2;
587 *height = 2;
588 break;
589 case 8:
590 *width = 1;
591 *height = 2;
592 break;
593 default:
594 assert(0);
595 }
596 }
597
598 static void
599 nvc0_screen_destroy(struct pipe_screen *pscreen)
600 {
601 struct nvc0_screen *screen = nvc0_screen(pscreen);
602
603 if (!nouveau_drm_screen_unref(&screen->base))
604 return;
605
606 if (screen->base.fence.current) {
607 struct nouveau_fence *current = NULL;
608
609 /* nouveau_fence_wait will create a new current fence, so wait on the
610 * _current_ one, and remove both.
611 */
612 nouveau_fence_ref(screen->base.fence.current, &current);
613 nouveau_fence_wait(current, NULL);
614 nouveau_fence_ref(NULL, &current);
615 nouveau_fence_ref(NULL, &screen->base.fence.current);
616 }
617 if (screen->base.pushbuf)
618 screen->base.pushbuf->user_priv = NULL;
619
620 if (screen->blitter)
621 nvc0_blitter_destroy(screen);
622 if (screen->pm.prog) {
623 screen->pm.prog->code = NULL; /* hardcoded, don't FREE */
624 nvc0_program_destroy(NULL, screen->pm.prog);
625 FREE(screen->pm.prog);
626 }
627
628 nouveau_bo_ref(NULL, &screen->text);
629 nouveau_bo_ref(NULL, &screen->uniform_bo);
630 nouveau_bo_ref(NULL, &screen->tls);
631 nouveau_bo_ref(NULL, &screen->txc);
632 nouveau_bo_ref(NULL, &screen->fence.bo);
633 nouveau_bo_ref(NULL, &screen->poly_cache);
634
635 nouveau_heap_destroy(&screen->lib_code);
636 nouveau_heap_destroy(&screen->text_heap);
637
638 FREE(screen->tic.entries);
639
640 nouveau_object_del(&screen->eng3d);
641 nouveau_object_del(&screen->eng2d);
642 nouveau_object_del(&screen->m2mf);
643 nouveau_object_del(&screen->compute);
644 nouveau_object_del(&screen->nvsw);
645
646 nouveau_screen_fini(&screen->base);
647
648 FREE(screen);
649 }
650
651 static int
652 nvc0_graph_set_macro(struct nvc0_screen *screen, uint32_t m, unsigned pos,
653 unsigned size, const uint32_t *data)
654 {
655 struct nouveau_pushbuf *push = screen->base.pushbuf;
656
657 size /= 4;
658
659 assert((pos + size) <= 0x800);
660
661 BEGIN_NVC0(push, SUBC_3D(NVC0_GRAPH_MACRO_ID), 2);
662 PUSH_DATA (push, (m - 0x3800) / 8);
663 PUSH_DATA (push, pos);
664 BEGIN_1IC0(push, SUBC_3D(NVC0_GRAPH_MACRO_UPLOAD_POS), size + 1);
665 PUSH_DATA (push, pos);
666 PUSH_DATAp(push, data, size);
667
668 return pos + size;
669 }
670
671 static void
672 nvc0_magic_3d_init(struct nouveau_pushbuf *push, uint16_t obj_class)
673 {
674 BEGIN_NVC0(push, SUBC_3D(0x10cc), 1);
675 PUSH_DATA (push, 0xff);
676 BEGIN_NVC0(push, SUBC_3D(0x10e0), 2);
677 PUSH_DATA (push, 0xff);
678 PUSH_DATA (push, 0xff);
679 BEGIN_NVC0(push, SUBC_3D(0x10ec), 2);
680 PUSH_DATA (push, 0xff);
681 PUSH_DATA (push, 0xff);
682 BEGIN_NVC0(push, SUBC_3D(0x074c), 1);
683 PUSH_DATA (push, 0x3f);
684
685 BEGIN_NVC0(push, SUBC_3D(0x16a8), 1);
686 PUSH_DATA (push, (3 << 16) | 3);
687 BEGIN_NVC0(push, SUBC_3D(0x1794), 1);
688 PUSH_DATA (push, (2 << 16) | 2);
689
690 if (obj_class < GM107_3D_CLASS) {
691 BEGIN_NVC0(push, SUBC_3D(0x12ac), 1);
692 PUSH_DATA (push, 0);
693 }
694 BEGIN_NVC0(push, SUBC_3D(0x0218), 1);
695 PUSH_DATA (push, 0x10);
696 BEGIN_NVC0(push, SUBC_3D(0x10fc), 1);
697 PUSH_DATA (push, 0x10);
698 BEGIN_NVC0(push, SUBC_3D(0x1290), 1);
699 PUSH_DATA (push, 0x10);
700 BEGIN_NVC0(push, SUBC_3D(0x12d8), 2);
701 PUSH_DATA (push, 0x10);
702 PUSH_DATA (push, 0x10);
703 BEGIN_NVC0(push, SUBC_3D(0x1140), 1);
704 PUSH_DATA (push, 0x10);
705 BEGIN_NVC0(push, SUBC_3D(0x1610), 1);
706 PUSH_DATA (push, 0xe);
707
708 BEGIN_NVC0(push, NVC0_3D(VERTEX_ID_GEN_MODE), 1);
709 PUSH_DATA (push, NVC0_3D_VERTEX_ID_GEN_MODE_DRAW_ARRAYS_ADD_START);
710 BEGIN_NVC0(push, SUBC_3D(0x030c), 1);
711 PUSH_DATA (push, 0);
712 BEGIN_NVC0(push, SUBC_3D(0x0300), 1);
713 PUSH_DATA (push, 3);
714
715 BEGIN_NVC0(push, SUBC_3D(0x02d0), 1);
716 PUSH_DATA (push, 0x3fffff);
717 BEGIN_NVC0(push, SUBC_3D(0x0fdc), 1);
718 PUSH_DATA (push, 1);
719 BEGIN_NVC0(push, SUBC_3D(0x19c0), 1);
720 PUSH_DATA (push, 1);
721
722 if (obj_class < GM107_3D_CLASS) {
723 BEGIN_NVC0(push, SUBC_3D(0x075c), 1);
724 PUSH_DATA (push, 3);
725
726 if (obj_class >= NVE4_3D_CLASS) {
727 BEGIN_NVC0(push, SUBC_3D(0x07fc), 1);
728 PUSH_DATA (push, 1);
729 }
730 }
731
732 /* TODO: find out what software methods 0x1528, 0x1280 and (on nve4) 0x02dc
733 * are supposed to do */
734 }
735
736 static void
737 nvc0_screen_fence_emit(struct pipe_screen *pscreen, u32 *sequence)
738 {
739 struct nvc0_screen *screen = nvc0_screen(pscreen);
740 struct nouveau_pushbuf *push = screen->base.pushbuf;
741
742 /* we need to do it after possible flush in MARK_RING */
743 *sequence = ++screen->base.fence.sequence;
744
745 assert(PUSH_AVAIL(push) + push->rsvd_kick >= 5);
746 PUSH_DATA (push, NVC0_FIFO_PKHDR_SQ(NVC0_3D(QUERY_ADDRESS_HIGH), 4));
747 PUSH_DATAh(push, screen->fence.bo->offset);
748 PUSH_DATA (push, screen->fence.bo->offset);
749 PUSH_DATA (push, *sequence);
750 PUSH_DATA (push, NVC0_3D_QUERY_GET_FENCE | NVC0_3D_QUERY_GET_SHORT |
751 (0xf << NVC0_3D_QUERY_GET_UNIT__SHIFT));
752 }
753
754 static u32
755 nvc0_screen_fence_update(struct pipe_screen *pscreen)
756 {
757 struct nvc0_screen *screen = nvc0_screen(pscreen);
758 return screen->fence.map[0];
759 }
760
761 static int
762 nvc0_screen_init_compute(struct nvc0_screen *screen)
763 {
764 screen->base.base.get_compute_param = nvc0_screen_get_compute_param;
765
766 switch (screen->base.device->chipset & ~0xf) {
767 case 0xc0:
768 case 0xd0:
769 return nvc0_screen_compute_setup(screen, screen->base.pushbuf);
770 case 0xe0:
771 case 0xf0:
772 case 0x100:
773 case 0x110:
774 case 0x120:
775 case 0x130:
776 return nve4_screen_compute_setup(screen, screen->base.pushbuf);
777 default:
778 return -1;
779 }
780 }
781
782 static int
783 nvc0_screen_resize_tls_area(struct nvc0_screen *screen,
784 uint32_t lpos, uint32_t lneg, uint32_t cstack)
785 {
786 struct nouveau_bo *bo = NULL;
787 int ret;
788 uint64_t size = (lpos + lneg) * 32 + cstack;
789
790 if (size >= (1 << 20)) {
791 NOUVEAU_ERR("requested TLS size too large: 0x%"PRIx64"\n", size);
792 return -1;
793 }
794
795 size *= (screen->base.device->chipset >= 0xe0) ? 64 : 48; /* max warps */
796 size = align(size, 0x8000);
797 size *= screen->mp_count;
798
799 size = align(size, 1 << 17);
800
801 ret = nouveau_bo_new(screen->base.device, NV_VRAM_DOMAIN(&screen->base), 1 << 17, size,
802 NULL, &bo);
803 if (ret)
804 return ret;
805
806 /* Make sure that the pushbuf has acquired a reference to the old tls
807 * segment, as it may have commands that will reference it.
808 */
809 if (screen->tls)
810 PUSH_REFN(screen->base.pushbuf, screen->tls,
811 NV_VRAM_DOMAIN(&screen->base) | NOUVEAU_BO_RDWR);
812 nouveau_bo_ref(NULL, &screen->tls);
813 screen->tls = bo;
814 return 0;
815 }
816
817 int
818 nvc0_screen_resize_text_area(struct nvc0_screen *screen, uint64_t size)
819 {
820 struct nouveau_pushbuf *push = screen->base.pushbuf;
821 struct nouveau_bo *bo;
822 int ret;
823
824 ret = nouveau_bo_new(screen->base.device, NV_VRAM_DOMAIN(&screen->base),
825 1 << 17, size, NULL, &bo);
826 if (ret)
827 return ret;
828
829 /* Make sure that the pushbuf has acquired a reference to the old text
830 * segment, as it may have commands that will reference it.
831 */
832 if (screen->text)
833 PUSH_REFN(push, screen->text,
834 NV_VRAM_DOMAIN(&screen->base) | NOUVEAU_BO_RD);
835 nouveau_bo_ref(NULL, &screen->text);
836 screen->text = bo;
837
838 nouveau_heap_destroy(&screen->lib_code);
839 nouveau_heap_destroy(&screen->text_heap);
840
841 /* XXX: getting a page fault at the end of the code buffer every few
842 * launches, don't use the last 256 bytes to work around them - prefetch ?
843 */
844 nouveau_heap_init(&screen->text_heap, 0, size - 0x100);
845
846 /* update the code segment setup */
847 BEGIN_NVC0(push, NVC0_3D(CODE_ADDRESS_HIGH), 2);
848 PUSH_DATAh(push, screen->text->offset);
849 PUSH_DATA (push, screen->text->offset);
850 if (screen->compute) {
851 BEGIN_NVC0(push, NVC0_CP(CODE_ADDRESS_HIGH), 2);
852 PUSH_DATAh(push, screen->text->offset);
853 PUSH_DATA (push, screen->text->offset);
854 }
855
856 return 0;
857 }
858
859 void
860 nvc0_screen_bind_cb_3d(struct nvc0_screen *screen, bool *can_serialize,
861 int stage, int index, int size, uint64_t addr)
862 {
863 assert(stage != 5);
864
865 struct nouveau_pushbuf *push = screen->base.pushbuf;
866
867 if (screen->base.class_3d >= GM107_3D_CLASS) {
868 struct nvc0_cb_binding *binding = &screen->cb_bindings[stage][index];
869
870 // TODO: Better figure out the conditions in which this is needed
871 bool serialize = binding->addr == addr && binding->size != size;
872 if (can_serialize)
873 serialize = serialize && *can_serialize;
874 if (serialize) {
875 IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0);
876 if (can_serialize)
877 *can_serialize = false;
878 }
879
880 binding->addr = addr;
881 binding->size = size;
882 }
883
884 if (size >= 0) {
885 BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
886 PUSH_DATA (push, size);
887 PUSH_DATAh(push, addr);
888 PUSH_DATA (push, addr);
889 }
890 IMMED_NVC0(push, NVC0_3D(CB_BIND(stage)), (index << 4) | (size >= 0));
891 }
892
893 #define FAIL_SCREEN_INIT(str, err) \
894 do { \
895 NOUVEAU_ERR(str, err); \
896 goto fail; \
897 } while(0)
898
899 struct nouveau_screen *
900 nvc0_screen_create(struct nouveau_device *dev)
901 {
902 struct nvc0_screen *screen;
903 struct pipe_screen *pscreen;
904 struct nouveau_object *chan;
905 struct nouveau_pushbuf *push;
906 uint64_t value;
907 uint32_t obj_class;
908 uint32_t flags;
909 int ret;
910 unsigned i;
911
912 switch (dev->chipset & ~0xf) {
913 case 0xc0:
914 case 0xd0:
915 case 0xe0:
916 case 0xf0:
917 case 0x100:
918 case 0x110:
919 case 0x120:
920 case 0x130:
921 break;
922 default:
923 return NULL;
924 }
925
926 screen = CALLOC_STRUCT(nvc0_screen);
927 if (!screen)
928 return NULL;
929 pscreen = &screen->base.base;
930 pscreen->destroy = nvc0_screen_destroy;
931
932 ret = nouveau_screen_init(&screen->base, dev);
933 if (ret)
934 FAIL_SCREEN_INIT("Base screen init failed: %d\n", ret);
935 chan = screen->base.channel;
936 push = screen->base.pushbuf;
937 push->user_priv = screen;
938 push->rsvd_kick = 5;
939
940 /* TODO: could this be higher on Kepler+? how does reclocking vs no
941 * reclocking affect performance?
942 * TODO: could this be higher on Fermi?
943 */
944 if (dev->chipset >= 0xe0)
945 screen->base.transfer_pushbuf_threshold = 1024;
946
947 screen->base.vidmem_bindings |= PIPE_BIND_CONSTANT_BUFFER |
948 PIPE_BIND_SHADER_BUFFER |
949 PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER |
950 PIPE_BIND_COMMAND_ARGS_BUFFER | PIPE_BIND_QUERY_BUFFER;
951 screen->base.sysmem_bindings |=
952 PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER;
953
954 if (screen->base.vram_domain & NOUVEAU_BO_GART) {
955 screen->base.sysmem_bindings |= screen->base.vidmem_bindings;
956 screen->base.vidmem_bindings = 0;
957 }
958
959 pscreen->context_create = nvc0_create;
960 pscreen->is_format_supported = nvc0_screen_is_format_supported;
961 pscreen->get_param = nvc0_screen_get_param;
962 pscreen->get_shader_param = nvc0_screen_get_shader_param;
963 pscreen->get_paramf = nvc0_screen_get_paramf;
964 pscreen->get_sample_pixel_grid = nvc0_screen_get_sample_pixel_grid;
965 pscreen->get_driver_query_info = nvc0_screen_get_driver_query_info;
966 pscreen->get_driver_query_group_info = nvc0_screen_get_driver_query_group_info;
967
968 nvc0_screen_init_resource_functions(pscreen);
969
970 screen->base.base.get_video_param = nouveau_vp3_screen_get_video_param;
971 screen->base.base.is_video_format_supported = nouveau_vp3_screen_video_supported;
972
973 flags = NOUVEAU_BO_GART | NOUVEAU_BO_MAP;
974 if (screen->base.drm->version >= 0x01000202)
975 flags |= NOUVEAU_BO_COHERENT;
976
977 ret = nouveau_bo_new(dev, flags, 0, 4096, NULL, &screen->fence.bo);
978 if (ret)
979 FAIL_SCREEN_INIT("Error allocating fence BO: %d\n", ret);
980 nouveau_bo_map(screen->fence.bo, 0, NULL);
981 screen->fence.map = screen->fence.bo->map;
982 screen->base.fence.emit = nvc0_screen_fence_emit;
983 screen->base.fence.update = nvc0_screen_fence_update;
984
985
986 ret = nouveau_object_new(chan, (dev->chipset < 0xe0) ? 0x1f906e : 0x906e,
987 NVIF_CLASS_SW_GF100, NULL, 0, &screen->nvsw);
988 if (ret)
989 FAIL_SCREEN_INIT("Error creating SW object: %d\n", ret);
990
991 BEGIN_NVC0(push, SUBC_SW(NV01_SUBCHAN_OBJECT), 1);
992 PUSH_DATA (push, screen->nvsw->handle);
993
994 switch (dev->chipset & ~0xf) {
995 case 0x130:
996 case 0x120:
997 case 0x110:
998 case 0x100:
999 case 0xf0:
1000 obj_class = NVF0_P2MF_CLASS;
1001 break;
1002 case 0xe0:
1003 obj_class = NVE4_P2MF_CLASS;
1004 break;
1005 default:
1006 obj_class = NVC0_M2MF_CLASS;
1007 break;
1008 }
1009 ret = nouveau_object_new(chan, 0xbeef323f, obj_class, NULL, 0,
1010 &screen->m2mf);
1011 if (ret)
1012 FAIL_SCREEN_INIT("Error allocating PGRAPH context for M2MF: %d\n", ret);
1013
1014 BEGIN_NVC0(push, SUBC_M2MF(NV01_SUBCHAN_OBJECT), 1);
1015 PUSH_DATA (push, screen->m2mf->oclass);
1016 if (screen->m2mf->oclass == NVE4_P2MF_CLASS) {
1017 BEGIN_NVC0(push, SUBC_COPY(NV01_SUBCHAN_OBJECT), 1);
1018 PUSH_DATA (push, 0xa0b5);
1019 }
1020
1021 ret = nouveau_object_new(chan, 0xbeef902d, NVC0_2D_CLASS, NULL, 0,
1022 &screen->eng2d);
1023 if (ret)
1024 FAIL_SCREEN_INIT("Error allocating PGRAPH context for 2D: %d\n", ret);
1025
1026 BEGIN_NVC0(push, SUBC_2D(NV01_SUBCHAN_OBJECT), 1);
1027 PUSH_DATA (push, screen->eng2d->oclass);
1028 BEGIN_NVC0(push, SUBC_2D(NVC0_2D_SINGLE_GPC), 1);
1029 PUSH_DATA (push, 0);
1030 BEGIN_NVC0(push, NVC0_2D(OPERATION), 1);
1031 PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY);
1032 BEGIN_NVC0(push, NVC0_2D(CLIP_ENABLE), 1);
1033 PUSH_DATA (push, 0);
1034 BEGIN_NVC0(push, NVC0_2D(COLOR_KEY_ENABLE), 1);
1035 PUSH_DATA (push, 0);
1036 BEGIN_NVC0(push, SUBC_2D(0x0884), 1);
1037 PUSH_DATA (push, 0x3f);
1038 BEGIN_NVC0(push, SUBC_2D(0x0888), 1);
1039 PUSH_DATA (push, 1);
1040 BEGIN_NVC0(push, NVC0_2D(COND_MODE), 1);
1041 PUSH_DATA (push, NV50_2D_COND_MODE_ALWAYS);
1042
1043 BEGIN_NVC0(push, SUBC_2D(NVC0_GRAPH_NOTIFY_ADDRESS_HIGH), 2);
1044 PUSH_DATAh(push, screen->fence.bo->offset + 16);
1045 PUSH_DATA (push, screen->fence.bo->offset + 16);
1046
1047 switch (dev->chipset & ~0xf) {
1048 case 0x130:
1049 switch (dev->chipset) {
1050 case 0x130:
1051 case 0x13b:
1052 obj_class = GP100_3D_CLASS;
1053 break;
1054 default:
1055 obj_class = GP102_3D_CLASS;
1056 break;
1057 }
1058 break;
1059 case 0x120:
1060 obj_class = GM200_3D_CLASS;
1061 break;
1062 case 0x110:
1063 obj_class = GM107_3D_CLASS;
1064 break;
1065 case 0x100:
1066 case 0xf0:
1067 obj_class = NVF0_3D_CLASS;
1068 break;
1069 case 0xe0:
1070 switch (dev->chipset) {
1071 case 0xea:
1072 obj_class = NVEA_3D_CLASS;
1073 break;
1074 default:
1075 obj_class = NVE4_3D_CLASS;
1076 break;
1077 }
1078 break;
1079 case 0xd0:
1080 obj_class = NVC8_3D_CLASS;
1081 break;
1082 case 0xc0:
1083 default:
1084 switch (dev->chipset) {
1085 case 0xc8:
1086 obj_class = NVC8_3D_CLASS;
1087 break;
1088 case 0xc1:
1089 obj_class = NVC1_3D_CLASS;
1090 break;
1091 default:
1092 obj_class = NVC0_3D_CLASS;
1093 break;
1094 }
1095 break;
1096 }
1097 ret = nouveau_object_new(chan, 0xbeef003d, obj_class, NULL, 0,
1098 &screen->eng3d);
1099 if (ret)
1100 FAIL_SCREEN_INIT("Error allocating PGRAPH context for 3D: %d\n", ret);
1101 screen->base.class_3d = obj_class;
1102
1103 BEGIN_NVC0(push, SUBC_3D(NV01_SUBCHAN_OBJECT), 1);
1104 PUSH_DATA (push, screen->eng3d->oclass);
1105
1106 BEGIN_NVC0(push, NVC0_3D(COND_MODE), 1);
1107 PUSH_DATA (push, NVC0_3D_COND_MODE_ALWAYS);
1108
1109 if (debug_get_bool_option("NOUVEAU_SHADER_WATCHDOG", true)) {
1110 /* kill shaders after about 1 second (at 100 MHz) */
1111 BEGIN_NVC0(push, NVC0_3D(WATCHDOG_TIMER), 1);
1112 PUSH_DATA (push, 0x17);
1113 }
1114
1115 IMMED_NVC0(push, NVC0_3D(ZETA_COMP_ENABLE),
1116 screen->base.drm->version >= 0x01000101);
1117 BEGIN_NVC0(push, NVC0_3D(RT_COMP_ENABLE(0)), 8);
1118 for (i = 0; i < 8; ++i)
1119 PUSH_DATA(push, screen->base.drm->version >= 0x01000101);
1120
1121 BEGIN_NVC0(push, NVC0_3D(RT_CONTROL), 1);
1122 PUSH_DATA (push, 1);
1123
1124 BEGIN_NVC0(push, NVC0_3D(CSAA_ENABLE), 1);
1125 PUSH_DATA (push, 0);
1126 BEGIN_NVC0(push, NVC0_3D(MULTISAMPLE_ENABLE), 1);
1127 PUSH_DATA (push, 0);
1128 BEGIN_NVC0(push, NVC0_3D(MULTISAMPLE_MODE), 1);
1129 PUSH_DATA (push, NVC0_3D_MULTISAMPLE_MODE_MS1);
1130 BEGIN_NVC0(push, NVC0_3D(MULTISAMPLE_CTRL), 1);
1131 PUSH_DATA (push, 0);
1132 BEGIN_NVC0(push, NVC0_3D(LINE_WIDTH_SEPARATE), 1);
1133 PUSH_DATA (push, 1);
1134 BEGIN_NVC0(push, NVC0_3D(PRIM_RESTART_WITH_DRAW_ARRAYS), 1);
1135 PUSH_DATA (push, 1);
1136 BEGIN_NVC0(push, NVC0_3D(BLEND_SEPARATE_ALPHA), 1);
1137 PUSH_DATA (push, 1);
1138 BEGIN_NVC0(push, NVC0_3D(BLEND_ENABLE_COMMON), 1);
1139 PUSH_DATA (push, 0);
1140 BEGIN_NVC0(push, NVC0_3D(SHADE_MODEL), 1);
1141 PUSH_DATA (push, NVC0_3D_SHADE_MODEL_SMOOTH);
1142 if (screen->eng3d->oclass < NVE4_3D_CLASS) {
1143 IMMED_NVC0(push, NVC0_3D(TEX_MISC), 0);
1144 } else {
1145 BEGIN_NVC0(push, NVE4_3D(TEX_CB_INDEX), 1);
1146 PUSH_DATA (push, 15);
1147 }
1148 BEGIN_NVC0(push, NVC0_3D(CALL_LIMIT_LOG), 1);
1149 PUSH_DATA (push, 8); /* 128 */
1150 BEGIN_NVC0(push, NVC0_3D(ZCULL_STATCTRS_ENABLE), 1);
1151 PUSH_DATA (push, 1);
1152 if (screen->eng3d->oclass >= NVC1_3D_CLASS) {
1153 BEGIN_NVC0(push, NVC0_3D(CACHE_SPLIT), 1);
1154 PUSH_DATA (push, NVC0_3D_CACHE_SPLIT_48K_SHARED_16K_L1);
1155 }
1156
1157 nvc0_magic_3d_init(push, screen->eng3d->oclass);
1158
1159 ret = nvc0_screen_resize_text_area(screen, 1 << 19);
1160 if (ret)
1161 FAIL_SCREEN_INIT("Error allocating TEXT area: %d\n", ret);
1162
1163 /* 6 user uniform areas, 6 driver areas, and 1 for the runout */
1164 ret = nouveau_bo_new(dev, NV_VRAM_DOMAIN(&screen->base), 1 << 12, 13 << 16, NULL,
1165 &screen->uniform_bo);
1166 if (ret)
1167 FAIL_SCREEN_INIT("Error allocating uniform BO: %d\n", ret);
1168
1169 PUSH_REFN (push, screen->uniform_bo, NV_VRAM_DOMAIN(&screen->base) | NOUVEAU_BO_WR);
1170
1171 /* return { 0.0, 0.0, 0.0, 0.0 } for out-of-bounds vtxbuf access */
1172 BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
1173 PUSH_DATA (push, 256);
1174 PUSH_DATAh(push, screen->uniform_bo->offset + NVC0_CB_AUX_RUNOUT_INFO);
1175 PUSH_DATA (push, screen->uniform_bo->offset + NVC0_CB_AUX_RUNOUT_INFO);
1176 BEGIN_1IC0(push, NVC0_3D(CB_POS), 5);
1177 PUSH_DATA (push, 0);
1178 PUSH_DATAf(push, 0.0f);
1179 PUSH_DATAf(push, 0.0f);
1180 PUSH_DATAf(push, 0.0f);
1181 PUSH_DATAf(push, 0.0f);
1182 BEGIN_NVC0(push, NVC0_3D(VERTEX_RUNOUT_ADDRESS_HIGH), 2);
1183 PUSH_DATAh(push, screen->uniform_bo->offset + NVC0_CB_AUX_RUNOUT_INFO);
1184 PUSH_DATA (push, screen->uniform_bo->offset + NVC0_CB_AUX_RUNOUT_INFO);
1185
1186 if (screen->base.drm->version >= 0x01000101) {
1187 ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_GRAPH_UNITS, &value);
1188 if (ret)
1189 FAIL_SCREEN_INIT("NOUVEAU_GETPARAM_GRAPH_UNITS failed: %d\n", ret);
1190 } else {
1191 if (dev->chipset >= 0xe0 && dev->chipset < 0xf0)
1192 value = (8 << 8) | 4;
1193 else
1194 value = (16 << 8) | 4;
1195 }
1196 screen->gpc_count = value & 0x000000ff;
1197 screen->mp_count = value >> 8;
1198 screen->mp_count_compute = screen->mp_count;
1199
1200 ret = nvc0_screen_resize_tls_area(screen, 128 * 16, 0, 0x200);
1201 if (ret)
1202 FAIL_SCREEN_INIT("Error allocating TLS area: %d\n", ret);
1203
1204 BEGIN_NVC0(push, NVC0_3D(TEMP_ADDRESS_HIGH), 4);
1205 PUSH_DATAh(push, screen->tls->offset);
1206 PUSH_DATA (push, screen->tls->offset);
1207 PUSH_DATA (push, screen->tls->size >> 32);
1208 PUSH_DATA (push, screen->tls->size);
1209 BEGIN_NVC0(push, NVC0_3D(WARP_TEMP_ALLOC), 1);
1210 PUSH_DATA (push, 0);
1211 /* Reduce likelihood of collision with real buffers by placing the hole at
1212 * the top of the 4G area. This will have to be dealt with for real
1213 * eventually by blocking off that area from the VM.
1214 */
1215 BEGIN_NVC0(push, NVC0_3D(LOCAL_BASE), 1);
1216 PUSH_DATA (push, 0xff << 24);
1217
1218 if (screen->eng3d->oclass < GM107_3D_CLASS) {
1219 ret = nouveau_bo_new(dev, NV_VRAM_DOMAIN(&screen->base), 1 << 17, 1 << 20, NULL,
1220 &screen->poly_cache);
1221 if (ret)
1222 FAIL_SCREEN_INIT("Error allocating poly cache BO: %d\n", ret);
1223
1224 BEGIN_NVC0(push, NVC0_3D(VERTEX_QUARANTINE_ADDRESS_HIGH), 3);
1225 PUSH_DATAh(push, screen->poly_cache->offset);
1226 PUSH_DATA (push, screen->poly_cache->offset);
1227 PUSH_DATA (push, 3);
1228 }
1229
1230 ret = nouveau_bo_new(dev, NV_VRAM_DOMAIN(&screen->base), 1 << 17, 1 << 17, NULL,
1231 &screen->txc);
1232 if (ret)
1233 FAIL_SCREEN_INIT("Error allocating txc BO: %d\n", ret);
1234
1235 BEGIN_NVC0(push, NVC0_3D(TIC_ADDRESS_HIGH), 3);
1236 PUSH_DATAh(push, screen->txc->offset);
1237 PUSH_DATA (push, screen->txc->offset);
1238 PUSH_DATA (push, NVC0_TIC_MAX_ENTRIES - 1);
1239 if (screen->eng3d->oclass >= GM107_3D_CLASS) {
1240 screen->tic.maxwell = true;
1241 if (screen->eng3d->oclass == GM107_3D_CLASS) {
1242 screen->tic.maxwell =
1243 debug_get_bool_option("NOUVEAU_MAXWELL_TIC", true);
1244 IMMED_NVC0(push, SUBC_3D(0x0f10), screen->tic.maxwell);
1245 }
1246 }
1247
1248 BEGIN_NVC0(push, NVC0_3D(TSC_ADDRESS_HIGH), 3);
1249 PUSH_DATAh(push, screen->txc->offset + 65536);
1250 PUSH_DATA (push, screen->txc->offset + 65536);
1251 PUSH_DATA (push, NVC0_TSC_MAX_ENTRIES - 1);
1252
1253 BEGIN_NVC0(push, NVC0_3D(SCREEN_Y_CONTROL), 1);
1254 PUSH_DATA (push, 0);
1255 BEGIN_NVC0(push, NVC0_3D(WINDOW_OFFSET_X), 2);
1256 PUSH_DATA (push, 0);
1257 PUSH_DATA (push, 0);
1258 BEGIN_NVC0(push, NVC0_3D(ZCULL_REGION), 1); /* deactivate ZCULL */
1259 PUSH_DATA (push, 0x3f);
1260
1261 BEGIN_NVC0(push, NVC0_3D(CLIP_RECTS_MODE), 1);
1262 PUSH_DATA (push, NVC0_3D_CLIP_RECTS_MODE_INSIDE_ANY);
1263 BEGIN_NVC0(push, NVC0_3D(CLIP_RECT_HORIZ(0)), 8 * 2);
1264 for (i = 0; i < 8 * 2; ++i)
1265 PUSH_DATA(push, 0);
1266 BEGIN_NVC0(push, NVC0_3D(CLIP_RECTS_EN), 1);
1267 PUSH_DATA (push, 0);
1268 BEGIN_NVC0(push, NVC0_3D(CLIPID_ENABLE), 1);
1269 PUSH_DATA (push, 0);
1270
1271 /* neither scissors, viewport nor stencil mask should affect clears */
1272 BEGIN_NVC0(push, NVC0_3D(CLEAR_FLAGS), 1);
1273 PUSH_DATA (push, 0);
1274
1275 BEGIN_NVC0(push, NVC0_3D(VIEWPORT_TRANSFORM_EN), 1);
1276 PUSH_DATA (push, 1);
1277 for (i = 0; i < NVC0_MAX_VIEWPORTS; i++) {
1278 BEGIN_NVC0(push, NVC0_3D(DEPTH_RANGE_NEAR(i)), 2);
1279 PUSH_DATAf(push, 0.0f);
1280 PUSH_DATAf(push, 1.0f);
1281 }
1282 BEGIN_NVC0(push, NVC0_3D(VIEW_VOLUME_CLIP_CTRL), 1);
1283 PUSH_DATA (push, NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1);
1284
1285 /* We use scissors instead of exact view volume clipping,
1286 * so they're always enabled.
1287 */
1288 for (i = 0; i < NVC0_MAX_VIEWPORTS; i++) {
1289 BEGIN_NVC0(push, NVC0_3D(SCISSOR_ENABLE(i)), 3);
1290 PUSH_DATA (push, 1);
1291 PUSH_DATA (push, 8192 << 16);
1292 PUSH_DATA (push, 8192 << 16);
1293 }
1294
1295 #define MK_MACRO(m, n) i = nvc0_graph_set_macro(screen, m, i, sizeof(n), n);
1296
1297 i = 0;
1298 MK_MACRO(NVC0_3D_MACRO_VERTEX_ARRAY_PER_INSTANCE, mme9097_per_instance_bf);
1299 MK_MACRO(NVC0_3D_MACRO_BLEND_ENABLES, mme9097_blend_enables);
1300 MK_MACRO(NVC0_3D_MACRO_VERTEX_ARRAY_SELECT, mme9097_vertex_array_select);
1301 MK_MACRO(NVC0_3D_MACRO_TEP_SELECT, mme9097_tep_select);
1302 MK_MACRO(NVC0_3D_MACRO_GP_SELECT, mme9097_gp_select);
1303 MK_MACRO(NVC0_3D_MACRO_POLYGON_MODE_FRONT, mme9097_poly_mode_front);
1304 MK_MACRO(NVC0_3D_MACRO_POLYGON_MODE_BACK, mme9097_poly_mode_back);
1305 MK_MACRO(NVC0_3D_MACRO_DRAW_ARRAYS_INDIRECT, mme9097_draw_arrays_indirect);
1306 MK_MACRO(NVC0_3D_MACRO_DRAW_ELEMENTS_INDIRECT, mme9097_draw_elts_indirect);
1307 MK_MACRO(NVC0_3D_MACRO_DRAW_ARRAYS_INDIRECT_COUNT, mme9097_draw_arrays_indirect_count);
1308 MK_MACRO(NVC0_3D_MACRO_DRAW_ELEMENTS_INDIRECT_COUNT, mme9097_draw_elts_indirect_count);
1309 MK_MACRO(NVC0_3D_MACRO_QUERY_BUFFER_WRITE, mme9097_query_buffer_write);
1310 MK_MACRO(NVC0_3D_MACRO_CONSERVATIVE_RASTER_STATE, mme9097_conservative_raster_state);
1311 MK_MACRO(NVC0_3D_MACRO_COMPUTE_COUNTER, mme9097_compute_counter);
1312 MK_MACRO(NVC0_3D_MACRO_COMPUTE_COUNTER_TO_QUERY, mme9097_compute_counter_to_query);
1313 MK_MACRO(NVC0_CP_MACRO_LAUNCH_GRID_INDIRECT, mme90c0_launch_grid_indirect);
1314
1315 BEGIN_NVC0(push, NVC0_3D(RASTERIZE_ENABLE), 1);
1316 PUSH_DATA (push, 1);
1317 BEGIN_NVC0(push, NVC0_3D(RT_SEPARATE_FRAG_DATA), 1);
1318 PUSH_DATA (push, 1);
1319 BEGIN_NVC0(push, NVC0_3D(MACRO_GP_SELECT), 1);
1320 PUSH_DATA (push, 0x40);
1321 BEGIN_NVC0(push, NVC0_3D(LAYER), 1);
1322 PUSH_DATA (push, 0);
1323 BEGIN_NVC0(push, NVC0_3D(MACRO_TEP_SELECT), 1);
1324 PUSH_DATA (push, 0x30);
1325 BEGIN_NVC0(push, NVC0_3D(PATCH_VERTICES), 1);
1326 PUSH_DATA (push, 3);
1327 BEGIN_NVC0(push, NVC0_3D(SP_SELECT(2)), 1);
1328 PUSH_DATA (push, 0x20);
1329 BEGIN_NVC0(push, NVC0_3D(SP_SELECT(0)), 1);
1330 PUSH_DATA (push, 0x00);
1331 screen->save_state.patch_vertices = 3;
1332
1333 BEGIN_NVC0(push, NVC0_3D(POINT_COORD_REPLACE), 1);
1334 PUSH_DATA (push, 0);
1335 BEGIN_NVC0(push, NVC0_3D(POINT_RASTER_RULES), 1);
1336 PUSH_DATA (push, NVC0_3D_POINT_RASTER_RULES_OGL);
1337
1338 IMMED_NVC0(push, NVC0_3D(EDGEFLAG), 1);
1339
1340 if (nvc0_screen_init_compute(screen))
1341 goto fail;
1342
1343 /* XXX: Compute and 3D are somehow aliased on Fermi. */
1344 for (i = 0; i < 5; ++i) {
1345 unsigned j = 0;
1346 for (j = 0; j < 16; j++)
1347 screen->cb_bindings[i][j].size = -1;
1348
1349 /* TIC and TSC entries for each unit (nve4+ only) */
1350 /* auxiliary constants (6 user clip planes, base instance id) */
1351 nvc0_screen_bind_cb_3d(screen, NULL, i, 15, NVC0_CB_AUX_SIZE,
1352 screen->uniform_bo->offset + NVC0_CB_AUX_INFO(i));
1353 if (screen->eng3d->oclass >= NVE4_3D_CLASS) {
1354 unsigned j;
1355 BEGIN_1IC0(push, NVC0_3D(CB_POS), 9);
1356 PUSH_DATA (push, NVC0_CB_AUX_UNK_INFO);
1357 for (j = 0; j < 8; ++j)
1358 PUSH_DATA(push, j);
1359 } else {
1360 BEGIN_NVC0(push, NVC0_3D(TEX_LIMITS(i)), 1);
1361 PUSH_DATA (push, 0x54);
1362 }
1363
1364 /* MS sample coordinate offsets: these do not work with _ALT modes ! */
1365 BEGIN_1IC0(push, NVC0_3D(CB_POS), 1 + 2 * 8);
1366 PUSH_DATA (push, NVC0_CB_AUX_MS_INFO);
1367 PUSH_DATA (push, 0); /* 0 */
1368 PUSH_DATA (push, 0);
1369 PUSH_DATA (push, 1); /* 1 */
1370 PUSH_DATA (push, 0);
1371 PUSH_DATA (push, 0); /* 2 */
1372 PUSH_DATA (push, 1);
1373 PUSH_DATA (push, 1); /* 3 */
1374 PUSH_DATA (push, 1);
1375 PUSH_DATA (push, 2); /* 4 */
1376 PUSH_DATA (push, 0);
1377 PUSH_DATA (push, 3); /* 5 */
1378 PUSH_DATA (push, 0);
1379 PUSH_DATA (push, 2); /* 6 */
1380 PUSH_DATA (push, 1);
1381 PUSH_DATA (push, 3); /* 7 */
1382 PUSH_DATA (push, 1);
1383 }
1384 BEGIN_NVC0(push, NVC0_3D(LINKED_TSC), 1);
1385 PUSH_DATA (push, 0);
1386
1387 PUSH_KICK (push);
1388
1389 screen->tic.entries = CALLOC(
1390 NVC0_TIC_MAX_ENTRIES + NVC0_TSC_MAX_ENTRIES + NVE4_IMG_MAX_HANDLES,
1391 sizeof(void *));
1392 screen->tsc.entries = screen->tic.entries + NVC0_TIC_MAX_ENTRIES;
1393 screen->img.entries = (void *)(screen->tsc.entries + NVC0_TSC_MAX_ENTRIES);
1394
1395 if (!nvc0_blitter_create(screen))
1396 goto fail;
1397
1398 nouveau_fence_new(&screen->base, &screen->base.fence.current);
1399
1400 return &screen->base;
1401
1402 fail:
1403 screen->base.base.context_create = NULL;
1404 return &screen->base;
1405 }
1406
1407 int
1408 nvc0_screen_tic_alloc(struct nvc0_screen *screen, void *entry)
1409 {
1410 int i = screen->tic.next;
1411
1412 while (screen->tic.lock[i / 32] & (1 << (i % 32)))
1413 i = (i + 1) & (NVC0_TIC_MAX_ENTRIES - 1);
1414
1415 screen->tic.next = (i + 1) & (NVC0_TIC_MAX_ENTRIES - 1);
1416
1417 if (screen->tic.entries[i])
1418 nv50_tic_entry(screen->tic.entries[i])->id = -1;
1419
1420 screen->tic.entries[i] = entry;
1421 return i;
1422 }
1423
1424 int
1425 nvc0_screen_tsc_alloc(struct nvc0_screen *screen, void *entry)
1426 {
1427 int i = screen->tsc.next;
1428
1429 while (screen->tsc.lock[i / 32] & (1 << (i % 32)))
1430 i = (i + 1) & (NVC0_TSC_MAX_ENTRIES - 1);
1431
1432 screen->tsc.next = (i + 1) & (NVC0_TSC_MAX_ENTRIES - 1);
1433
1434 if (screen->tsc.entries[i])
1435 nv50_tsc_entry(screen->tsc.entries[i])->id = -1;
1436
1437 screen->tsc.entries[i] = entry;
1438 return i;
1439 }