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gallium: add PIPE_CAP_MAX_GS_INVOCATIONS
[android-x86/external-mesa.git] / src / gallium / drivers / nouveau / nv50 / nv50_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 <errno.h>
24 #include <xf86drm.h>
25 #include <nouveau_drm.h>
26 #include "util/u_format.h"
27 #include "util/u_format_s3tc.h"
28 #include "pipe/p_screen.h"
29
30 #include "nv50/nv50_context.h"
31 #include "nv50/nv50_screen.h"
32
33 #include "nouveau_vp3_video.h"
34
35 #include "nv_object.xml.h"
36
37 /* affected by LOCAL_WARPS_LOG_ALLOC / LOCAL_WARPS_NO_CLAMP */
38 #define LOCAL_WARPS_ALLOC 32
39 /* affected by STACK_WARPS_LOG_ALLOC / STACK_WARPS_NO_CLAMP */
40 #define STACK_WARPS_ALLOC 32
41
42 #define THREADS_IN_WARP 32
43
44 static boolean
45 nv50_screen_is_format_supported(struct pipe_screen *pscreen,
46                                 enum pipe_format format,
47                                 enum pipe_texture_target target,
48                                 unsigned sample_count,
49                                 unsigned storage_sample_count,
50                                 unsigned bindings)
51 {
52    if (sample_count > 8)
53       return false;
54    if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
55       return false;
56    if (sample_count == 8 && util_format_get_blocksizebits(format) >= 128)
57       return false;
58
59    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
60       return false;
61
62    switch (format) {
63    case PIPE_FORMAT_Z16_UNORM:
64       if (nv50_screen(pscreen)->tesla->oclass < NVA0_3D_CLASS)
65          return false;
66       break;
67    default:
68       break;
69    }
70
71    if (bindings & PIPE_BIND_LINEAR)
72       if (util_format_is_depth_or_stencil(format) ||
73           (target != PIPE_TEXTURE_1D &&
74            target != PIPE_TEXTURE_2D &&
75            target != PIPE_TEXTURE_RECT) ||
76           sample_count > 1)
77          return false;
78
79    /* shared is always supported */
80    bindings &= ~(PIPE_BIND_LINEAR |
81                  PIPE_BIND_SHARED);
82
83    return (( nv50_format_table[format].usage |
84             nv50_vertex_format[format].usage) & bindings) == bindings;
85 }
86
87 static int
88 nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
89 {
90    const uint16_t class_3d = nouveau_screen(pscreen)->class_3d;
91    struct nouveau_device *dev = nouveau_screen(pscreen)->device;
92
93    switch (param) {
94    /* non-boolean caps */
95    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
96       return 14;
97    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
98       return 12;
99    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
100       return 14;
101    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
102       return 512;
103    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
104    case PIPE_CAP_MIN_TEXEL_OFFSET:
105       return -8;
106    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
107    case PIPE_CAP_MAX_TEXEL_OFFSET:
108       return 7;
109    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
110       return 128 * 1024 * 1024;
111    case PIPE_CAP_GLSL_FEATURE_LEVEL:
112       return 330;
113    case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
114       return 140;
115    case PIPE_CAP_MAX_RENDER_TARGETS:
116       return 8;
117    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
118       return 1;
119    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
120       return 4;
121    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
122    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
123       return 64;
124    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
125    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
126       return 1024;
127    case PIPE_CAP_MAX_VERTEX_STREAMS:
128       return 1;
129    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
130       return 2048;
131    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
132       return 256;
133    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
134       return 16; /* 256 for binding as RT, but that's not possible in GL */
135    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
136       return NOUVEAU_MIN_BUFFER_MAP_ALIGN;
137    case PIPE_CAP_MAX_VIEWPORTS:
138       return NV50_MAX_VIEWPORTS;
139    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
140       return PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50;
141    case PIPE_CAP_ENDIANNESS:
142       return PIPE_ENDIAN_LITTLE;
143    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
144       return (class_3d >= NVA3_3D_CLASS) ? 4 : 0;
145    case PIPE_CAP_MAX_WINDOW_RECTANGLES:
146       return NV50_MAX_WINDOW_RECTANGLES;
147
148    /* supported caps */
149    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
150    case PIPE_CAP_TEXTURE_SWIZZLE:
151    case PIPE_CAP_NPOT_TEXTURES:
152    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
153    case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
154    case PIPE_CAP_ANISOTROPIC_FILTER:
155    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
156    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
157    case PIPE_CAP_DEPTH_CLIP_DISABLE:
158    case PIPE_CAP_POINT_SPRITE:
159    case PIPE_CAP_SM3:
160    case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
161    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
162    case PIPE_CAP_VERTEX_COLOR_CLAMPED:
163    case PIPE_CAP_QUERY_TIMESTAMP:
164    case PIPE_CAP_QUERY_TIME_ELAPSED:
165    case PIPE_CAP_OCCLUSION_QUERY:
166    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
167    case PIPE_CAP_INDEP_BLEND_ENABLE:
168    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
169    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
170    case PIPE_CAP_PRIMITIVE_RESTART:
171    case PIPE_CAP_TGSI_INSTANCEID:
172    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
173    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
174    case PIPE_CAP_CONDITIONAL_RENDER:
175    case PIPE_CAP_TEXTURE_BARRIER:
176    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
177    case PIPE_CAP_START_INSTANCE:
178    case PIPE_CAP_USER_VERTEX_BUFFERS:
179    case PIPE_CAP_TEXTURE_MULTISAMPLE:
180    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
181    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
182    case PIPE_CAP_SAMPLER_VIEW_TARGET:
183    case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
184    case PIPE_CAP_CLIP_HALFZ:
185    case PIPE_CAP_POLYGON_OFFSET_CLAMP:
186    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
187    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
188    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
189    case PIPE_CAP_DEPTH_BOUNDS_TEST:
190    case PIPE_CAP_TGSI_TXQS:
191    case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
192    case PIPE_CAP_SHAREABLE_SHADERS:
193    case PIPE_CAP_CLEAR_TEXTURE:
194    case PIPE_CAP_COMPUTE:
195    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
196    case PIPE_CAP_INVALIDATE_BUFFER:
197    case PIPE_CAP_STRING_MARKER:
198    case PIPE_CAP_CULL_DISTANCE:
199    case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
200    case PIPE_CAP_TGSI_MUL_ZERO_WINS:
201    case PIPE_CAP_TGSI_TEX_TXF_LZ:
202    case PIPE_CAP_TGSI_CLOCK:
203    case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
204    case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
205       return 1;
206    case PIPE_CAP_SEAMLESS_CUBE_MAP:
207       return 1; /* class_3d >= NVA0_3D_CLASS; */
208    /* supported on nva0+ */
209    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
210       return class_3d >= NVA0_3D_CLASS;
211    /* supported on nva3+ */
212    case PIPE_CAP_CUBE_MAP_ARRAY:
213    case PIPE_CAP_INDEP_BLEND_FUNC:
214    case PIPE_CAP_TEXTURE_QUERY_LOD:
215    case PIPE_CAP_SAMPLE_SHADING:
216    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
217       return class_3d >= NVA3_3D_CLASS;
218
219    /* unsupported caps */
220    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
221    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
222    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
223    case PIPE_CAP_SHADER_STENCIL_EXPORT:
224    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
225    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
226    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
227    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
228    case PIPE_CAP_TGSI_TEXCOORD:
229    case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
230    case PIPE_CAP_TEXTURE_GATHER_SM5:
231    case PIPE_CAP_FAKE_SW_MSAA:
232    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
233    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
234    case PIPE_CAP_DRAW_INDIRECT:
235    case PIPE_CAP_MULTI_DRAW_INDIRECT:
236    case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
237    case PIPE_CAP_VERTEXID_NOBASE:
238    case PIPE_CAP_MULTISAMPLE_Z_RESOLVE: /* potentially supported on some hw */
239    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
240    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
241    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
242    case PIPE_CAP_DRAW_PARAMETERS:
243    case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
244    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
245    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
246    case PIPE_CAP_GENERATE_MIPMAP:
247    case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
248    case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
249    case PIPE_CAP_QUERY_BUFFER_OBJECT:
250    case PIPE_CAP_QUERY_MEMORY_INFO:
251    case PIPE_CAP_PCI_GROUP:
252    case PIPE_CAP_PCI_BUS:
253    case PIPE_CAP_PCI_DEVICE:
254    case PIPE_CAP_PCI_FUNCTION:
255    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
256    case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
257    case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
258    case PIPE_CAP_TGSI_VOTE:
259    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
260    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
261    case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
262    case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
263    case PIPE_CAP_NATIVE_FENCE_FD:
264    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
265    case PIPE_CAP_TGSI_FS_FBFETCH:
266    case PIPE_CAP_DOUBLES:
267    case PIPE_CAP_INT64:
268    case PIPE_CAP_INT64_DIVMOD:
269    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
270    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
271    case PIPE_CAP_TGSI_BALLOT:
272    case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
273    case PIPE_CAP_POST_DEPTH_COVERAGE:
274    case PIPE_CAP_BINDLESS_TEXTURE:
275    case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
276    case PIPE_CAP_QUERY_SO_OVERFLOW:
277    case PIPE_CAP_MEMOBJ:
278    case PIPE_CAP_LOAD_CONSTBUF:
279    case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
280    case PIPE_CAP_TILE_RASTER_ORDER:
281    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
282    case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS:
283    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
284    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
285    case PIPE_CAP_FENCE_SIGNAL:
286    case PIPE_CAP_CONSTBUF0_FLAGS:
287    case PIPE_CAP_PACKED_UNIFORMS:
288    case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
289    case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
290    case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
291    case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
292    case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
293    case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
294    case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
295       return 0;
296
297    case PIPE_CAP_MAX_GS_INVOCATIONS:
298       return 32;
299    case PIPE_CAP_VENDOR_ID:
300       return 0x10de;
301    case PIPE_CAP_DEVICE_ID: {
302       uint64_t device_id;
303       if (nouveau_getparam(dev, NOUVEAU_GETPARAM_PCI_DEVICE, &device_id)) {
304          NOUVEAU_ERR("NOUVEAU_GETPARAM_PCI_DEVICE failed.\n");
305          return -1;
306       }
307       return device_id;
308    }
309    case PIPE_CAP_ACCELERATED:
310       return 1;
311    case PIPE_CAP_VIDEO_MEMORY:
312       return dev->vram_size >> 20;
313    case PIPE_CAP_UMA:
314       return 0;
315    }
316
317    NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
318    return 0;
319 }
320
321 static int
322 nv50_screen_get_shader_param(struct pipe_screen *pscreen,
323                              enum pipe_shader_type shader,
324                              enum pipe_shader_cap param)
325 {
326    switch (shader) {
327    case PIPE_SHADER_VERTEX:
328    case PIPE_SHADER_GEOMETRY:
329    case PIPE_SHADER_FRAGMENT:
330       break;
331    case PIPE_SHADER_COMPUTE:
332    default:
333       return 0;
334    }
335
336    switch (param) {
337    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
338    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
339    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
340    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
341       return 16384;
342    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
343       return 4;
344    case PIPE_SHADER_CAP_MAX_INPUTS:
345       if (shader == PIPE_SHADER_VERTEX)
346          return 32;
347       return 15;
348    case PIPE_SHADER_CAP_MAX_OUTPUTS:
349       return 16;
350    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
351       return 65536;
352    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
353       return NV50_MAX_PIPE_CONSTBUFS;
354    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
355       return shader != PIPE_SHADER_FRAGMENT;
356    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
357    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
358    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
359       return 1;
360    case PIPE_SHADER_CAP_MAX_TEMPS:
361       return nv50_screen(pscreen)->max_tls_space / ONE_TEMP_SIZE;
362    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
363       return 1;
364    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
365       return 1;
366    case PIPE_SHADER_CAP_INT64_ATOMICS:
367    case PIPE_SHADER_CAP_FP16:
368    case PIPE_SHADER_CAP_SUBROUTINES:
369       return 0; /* please inline, or provide function declarations */
370    case PIPE_SHADER_CAP_INTEGERS:
371       return 1;
372    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
373       return 1;
374    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
375       /* The chip could handle more sampler views than samplers */
376    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
377       return MIN2(16, PIPE_MAX_SAMPLERS);
378    case PIPE_SHADER_CAP_PREFERRED_IR:
379       return PIPE_SHADER_IR_TGSI;
380    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
381       return 32;
382    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
383    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
384    case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
385    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
386    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
387    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
388    case PIPE_SHADER_CAP_SUPPORTED_IRS:
389    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
390    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
391    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
392    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
393       return 0;
394    case PIPE_SHADER_CAP_SCALAR_ISA:
395       return 1;
396    default:
397       NOUVEAU_ERR("unknown PIPE_SHADER_CAP %d\n", param);
398       return 0;
399    }
400 }
401
402 static float
403 nv50_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
404 {
405    switch (param) {
406    case PIPE_CAPF_MAX_LINE_WIDTH:
407    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
408       return 10.0f;
409    case PIPE_CAPF_MAX_POINT_WIDTH:
410    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
411       return 64.0f;
412    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
413       return 16.0f;
414    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
415       return 4.0f;
416    case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
417    case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
418    case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
419       return 0.0f;
420    }
421
422    NOUVEAU_ERR("unknown PIPE_CAPF %d\n", param);
423    return 0.0f;
424 }
425
426 static int
427 nv50_screen_get_compute_param(struct pipe_screen *pscreen,
428                               enum pipe_shader_ir ir_type,
429                               enum pipe_compute_cap param, void *data)
430 {
431    struct nv50_screen *screen = nv50_screen(pscreen);
432
433 #define RET(x) do {                  \
434    if (data)                         \
435       memcpy(data, x, sizeof(x));    \
436    return sizeof(x);                 \
437 } while (0)
438
439    switch (param) {
440    case PIPE_COMPUTE_CAP_GRID_DIMENSION:
441       RET((uint64_t []) { 2 });
442    case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
443       RET(((uint64_t []) { 65535, 65535 }));
444    case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
445       RET(((uint64_t []) { 512, 512, 64 }));
446    case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
447       RET((uint64_t []) { 512 });
448    case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE: /* g0-15[] */
449       RET((uint64_t []) { 1ULL << 32 });
450    case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE: /* s[] */
451       RET((uint64_t []) { 16 << 10 });
452    case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE: /* l[] */
453       RET((uint64_t []) { 16 << 10 });
454    case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE: /* c[], arbitrary limit */
455       RET((uint64_t []) { 4096 });
456    case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
457       RET((uint32_t []) { 32 });
458    case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
459       RET((uint64_t []) { 1ULL << 40 });
460    case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
461       RET((uint32_t []) { 0 });
462    case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
463       RET((uint32_t []) { screen->mp_count });
464    case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
465       RET((uint32_t []) { 512 }); /* FIXME: arbitrary limit */
466    case PIPE_COMPUTE_CAP_ADDRESS_BITS:
467       RET((uint32_t []) { 32 });
468    case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
469       RET((uint64_t []) { 0 });
470    default:
471       return 0;
472    }
473
474 #undef RET
475 }
476
477 static void
478 nv50_screen_destroy(struct pipe_screen *pscreen)
479 {
480    struct nv50_screen *screen = nv50_screen(pscreen);
481
482    if (!nouveau_drm_screen_unref(&screen->base))
483       return;
484
485    if (screen->base.fence.current) {
486       struct nouveau_fence *current = NULL;
487
488       /* nouveau_fence_wait will create a new current fence, so wait on the
489        * _current_ one, and remove both.
490        */
491       nouveau_fence_ref(screen->base.fence.current, &current);
492       nouveau_fence_wait(current, NULL);
493       nouveau_fence_ref(NULL, &current);
494       nouveau_fence_ref(NULL, &screen->base.fence.current);
495    }
496    if (screen->base.pushbuf)
497       screen->base.pushbuf->user_priv = NULL;
498
499    if (screen->blitter)
500       nv50_blitter_destroy(screen);
501    if (screen->pm.prog) {
502       screen->pm.prog->code = NULL; /* hardcoded, don't FREE */
503       nv50_program_destroy(NULL, screen->pm.prog);
504       FREE(screen->pm.prog);
505    }
506
507    nouveau_bo_ref(NULL, &screen->code);
508    nouveau_bo_ref(NULL, &screen->tls_bo);
509    nouveau_bo_ref(NULL, &screen->stack_bo);
510    nouveau_bo_ref(NULL, &screen->txc);
511    nouveau_bo_ref(NULL, &screen->uniforms);
512    nouveau_bo_ref(NULL, &screen->fence.bo);
513
514    nouveau_heap_destroy(&screen->vp_code_heap);
515    nouveau_heap_destroy(&screen->gp_code_heap);
516    nouveau_heap_destroy(&screen->fp_code_heap);
517
518    FREE(screen->tic.entries);
519
520    nouveau_object_del(&screen->tesla);
521    nouveau_object_del(&screen->eng2d);
522    nouveau_object_del(&screen->m2mf);
523    nouveau_object_del(&screen->compute);
524    nouveau_object_del(&screen->sync);
525
526    nouveau_screen_fini(&screen->base);
527
528    FREE(screen);
529 }
530
531 static void
532 nv50_screen_fence_emit(struct pipe_screen *pscreen, u32 *sequence)
533 {
534    struct nv50_screen *screen = nv50_screen(pscreen);
535    struct nouveau_pushbuf *push = screen->base.pushbuf;
536
537    /* we need to do it after possible flush in MARK_RING */
538    *sequence = ++screen->base.fence.sequence;
539
540    assert(PUSH_AVAIL(push) + push->rsvd_kick >= 5);
541    PUSH_DATA (push, NV50_FIFO_PKHDR(NV50_3D(QUERY_ADDRESS_HIGH), 4));
542    PUSH_DATAh(push, screen->fence.bo->offset);
543    PUSH_DATA (push, screen->fence.bo->offset);
544    PUSH_DATA (push, *sequence);
545    PUSH_DATA (push, NV50_3D_QUERY_GET_MODE_WRITE_UNK0 |
546                     NV50_3D_QUERY_GET_UNK4 |
547                     NV50_3D_QUERY_GET_UNIT_CROP |
548                     NV50_3D_QUERY_GET_TYPE_QUERY |
549                     NV50_3D_QUERY_GET_QUERY_SELECT_ZERO |
550                     NV50_3D_QUERY_GET_SHORT);
551 }
552
553 static u32
554 nv50_screen_fence_update(struct pipe_screen *pscreen)
555 {
556    return nv50_screen(pscreen)->fence.map[0];
557 }
558
559 static void
560 nv50_screen_init_hwctx(struct nv50_screen *screen)
561 {
562    struct nouveau_pushbuf *push = screen->base.pushbuf;
563    struct nv04_fifo *fifo;
564    unsigned i;
565
566    fifo = (struct nv04_fifo *)screen->base.channel->data;
567
568    BEGIN_NV04(push, SUBC_M2MF(NV01_SUBCHAN_OBJECT), 1);
569    PUSH_DATA (push, screen->m2mf->handle);
570    BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_DMA_NOTIFY), 3);
571    PUSH_DATA (push, screen->sync->handle);
572    PUSH_DATA (push, fifo->vram);
573    PUSH_DATA (push, fifo->vram);
574
575    BEGIN_NV04(push, SUBC_2D(NV01_SUBCHAN_OBJECT), 1);
576    PUSH_DATA (push, screen->eng2d->handle);
577    BEGIN_NV04(push, NV50_2D(DMA_NOTIFY), 4);
578    PUSH_DATA (push, screen->sync->handle);
579    PUSH_DATA (push, fifo->vram);
580    PUSH_DATA (push, fifo->vram);
581    PUSH_DATA (push, fifo->vram);
582    BEGIN_NV04(push, NV50_2D(OPERATION), 1);
583    PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY);
584    BEGIN_NV04(push, NV50_2D(CLIP_ENABLE), 1);
585    PUSH_DATA (push, 0);
586    BEGIN_NV04(push, NV50_2D(COLOR_KEY_ENABLE), 1);
587    PUSH_DATA (push, 0);
588    BEGIN_NV04(push, SUBC_2D(0x0888), 1);
589    PUSH_DATA (push, 1);
590    BEGIN_NV04(push, NV50_2D(COND_MODE), 1);
591    PUSH_DATA (push, NV50_2D_COND_MODE_ALWAYS);
592
593    BEGIN_NV04(push, SUBC_3D(NV01_SUBCHAN_OBJECT), 1);
594    PUSH_DATA (push, screen->tesla->handle);
595
596    BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
597    PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
598
599    BEGIN_NV04(push, NV50_3D(DMA_NOTIFY), 1);
600    PUSH_DATA (push, screen->sync->handle);
601    BEGIN_NV04(push, NV50_3D(DMA_ZETA), 11);
602    for (i = 0; i < 11; ++i)
603       PUSH_DATA(push, fifo->vram);
604    BEGIN_NV04(push, NV50_3D(DMA_COLOR(0)), NV50_3D_DMA_COLOR__LEN);
605    for (i = 0; i < NV50_3D_DMA_COLOR__LEN; ++i)
606       PUSH_DATA(push, fifo->vram);
607
608    BEGIN_NV04(push, NV50_3D(REG_MODE), 1);
609    PUSH_DATA (push, NV50_3D_REG_MODE_STRIPED);
610    BEGIN_NV04(push, NV50_3D(UNK1400_LANES), 1);
611    PUSH_DATA (push, 0xf);
612
613    if (debug_get_bool_option("NOUVEAU_SHADER_WATCHDOG", true)) {
614       BEGIN_NV04(push, NV50_3D(WATCHDOG_TIMER), 1);
615       PUSH_DATA (push, 0x18);
616    }
617
618    BEGIN_NV04(push, NV50_3D(ZETA_COMP_ENABLE), 1);
619    PUSH_DATA(push, screen->base.drm->version >= 0x01000101);
620
621    BEGIN_NV04(push, NV50_3D(RT_COMP_ENABLE(0)), 8);
622    for (i = 0; i < 8; ++i)
623       PUSH_DATA(push, screen->base.drm->version >= 0x01000101);
624
625    BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
626    PUSH_DATA (push, 1);
627
628    BEGIN_NV04(push, NV50_3D(CSAA_ENABLE), 1);
629    PUSH_DATA (push, 0);
630    BEGIN_NV04(push, NV50_3D(MULTISAMPLE_ENABLE), 1);
631    PUSH_DATA (push, 0);
632    BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
633    PUSH_DATA (push, NV50_3D_MULTISAMPLE_MODE_MS1);
634    BEGIN_NV04(push, NV50_3D(MULTISAMPLE_CTRL), 1);
635    PUSH_DATA (push, 0);
636    BEGIN_NV04(push, NV50_3D(PRIM_RESTART_WITH_DRAW_ARRAYS), 1);
637    PUSH_DATA (push, 1);
638    BEGIN_NV04(push, NV50_3D(BLEND_SEPARATE_ALPHA), 1);
639    PUSH_DATA (push, 1);
640
641    if (screen->tesla->oclass >= NVA0_3D_CLASS) {
642       BEGIN_NV04(push, SUBC_3D(NVA0_3D_TEX_MISC), 1);
643       PUSH_DATA (push, 0);
644    }
645
646    BEGIN_NV04(push, NV50_3D(SCREEN_Y_CONTROL), 1);
647    PUSH_DATA (push, 0);
648    BEGIN_NV04(push, NV50_3D(WINDOW_OFFSET_X), 2);
649    PUSH_DATA (push, 0);
650    PUSH_DATA (push, 0);
651    BEGIN_NV04(push, NV50_3D(ZCULL_REGION), 1);
652    PUSH_DATA (push, 0x3f);
653
654    BEGIN_NV04(push, NV50_3D(VP_ADDRESS_HIGH), 2);
655    PUSH_DATAh(push, screen->code->offset + (0 << NV50_CODE_BO_SIZE_LOG2));
656    PUSH_DATA (push, screen->code->offset + (0 << NV50_CODE_BO_SIZE_LOG2));
657
658    BEGIN_NV04(push, NV50_3D(FP_ADDRESS_HIGH), 2);
659    PUSH_DATAh(push, screen->code->offset + (1 << NV50_CODE_BO_SIZE_LOG2));
660    PUSH_DATA (push, screen->code->offset + (1 << NV50_CODE_BO_SIZE_LOG2));
661
662    BEGIN_NV04(push, NV50_3D(GP_ADDRESS_HIGH), 2);
663    PUSH_DATAh(push, screen->code->offset + (2 << NV50_CODE_BO_SIZE_LOG2));
664    PUSH_DATA (push, screen->code->offset + (2 << NV50_CODE_BO_SIZE_LOG2));
665
666    BEGIN_NV04(push, NV50_3D(LOCAL_ADDRESS_HIGH), 3);
667    PUSH_DATAh(push, screen->tls_bo->offset);
668    PUSH_DATA (push, screen->tls_bo->offset);
669    PUSH_DATA (push, util_logbase2(screen->cur_tls_space / 8));
670
671    BEGIN_NV04(push, NV50_3D(STACK_ADDRESS_HIGH), 3);
672    PUSH_DATAh(push, screen->stack_bo->offset);
673    PUSH_DATA (push, screen->stack_bo->offset);
674    PUSH_DATA (push, 4);
675
676    BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
677    PUSH_DATAh(push, screen->uniforms->offset + (0 << 16));
678    PUSH_DATA (push, screen->uniforms->offset + (0 << 16));
679    PUSH_DATA (push, (NV50_CB_PVP << 16) | 0x0000);
680
681    BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
682    PUSH_DATAh(push, screen->uniforms->offset + (1 << 16));
683    PUSH_DATA (push, screen->uniforms->offset + (1 << 16));
684    PUSH_DATA (push, (NV50_CB_PGP << 16) | 0x0000);
685
686    BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
687    PUSH_DATAh(push, screen->uniforms->offset + (2 << 16));
688    PUSH_DATA (push, screen->uniforms->offset + (2 << 16));
689    PUSH_DATA (push, (NV50_CB_PFP << 16) | 0x0000);
690
691    BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
692    PUSH_DATAh(push, screen->uniforms->offset + (3 << 16));
693    PUSH_DATA (push, screen->uniforms->offset + (3 << 16));
694    PUSH_DATA (push, (NV50_CB_AUX << 16) | (NV50_CB_AUX_SIZE & 0xffff));
695
696    BEGIN_NI04(push, NV50_3D(SET_PROGRAM_CB), 3);
697    PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf01);
698    PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf21);
699    PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf31);
700
701    /* return { 0.0, 0.0, 0.0, 0.0 } on out-of-bounds vtxbuf access */
702    BEGIN_NV04(push, NV50_3D(CB_ADDR), 1);
703    PUSH_DATA (push, (NV50_CB_AUX_RUNOUT_OFFSET << (8 - 2)) | NV50_CB_AUX);
704    BEGIN_NI04(push, NV50_3D(CB_DATA(0)), 4);
705    PUSH_DATAf(push, 0.0f);
706    PUSH_DATAf(push, 0.0f);
707    PUSH_DATAf(push, 0.0f);
708    PUSH_DATAf(push, 0.0f);
709    BEGIN_NV04(push, NV50_3D(VERTEX_RUNOUT_ADDRESS_HIGH), 2);
710    PUSH_DATAh(push, screen->uniforms->offset + (3 << 16) + NV50_CB_AUX_RUNOUT_OFFSET);
711    PUSH_DATA (push, screen->uniforms->offset + (3 << 16) + NV50_CB_AUX_RUNOUT_OFFSET);
712
713    nv50_upload_ms_info(push);
714
715    /* max TIC (bits 4:8) & TSC bindings, per program type */
716    for (i = 0; i < 3; ++i) {
717       BEGIN_NV04(push, NV50_3D(TEX_LIMITS(i)), 1);
718       PUSH_DATA (push, 0x54);
719    }
720
721    BEGIN_NV04(push, NV50_3D(TIC_ADDRESS_HIGH), 3);
722    PUSH_DATAh(push, screen->txc->offset);
723    PUSH_DATA (push, screen->txc->offset);
724    PUSH_DATA (push, NV50_TIC_MAX_ENTRIES - 1);
725
726    BEGIN_NV04(push, NV50_3D(TSC_ADDRESS_HIGH), 3);
727    PUSH_DATAh(push, screen->txc->offset + 65536);
728    PUSH_DATA (push, screen->txc->offset + 65536);
729    PUSH_DATA (push, NV50_TSC_MAX_ENTRIES - 1);
730
731    BEGIN_NV04(push, NV50_3D(LINKED_TSC), 1);
732    PUSH_DATA (push, 0);
733
734    BEGIN_NV04(push, NV50_3D(CLIP_RECTS_EN), 1);
735    PUSH_DATA (push, 0);
736    BEGIN_NV04(push, NV50_3D(CLIP_RECTS_MODE), 1);
737    PUSH_DATA (push, NV50_3D_CLIP_RECTS_MODE_INSIDE_ANY);
738    BEGIN_NV04(push, NV50_3D(CLIP_RECT_HORIZ(0)), 8 * 2);
739    for (i = 0; i < 8 * 2; ++i)
740       PUSH_DATA(push, 0);
741    BEGIN_NV04(push, NV50_3D(CLIPID_ENABLE), 1);
742    PUSH_DATA (push, 0);
743
744    BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
745    PUSH_DATA (push, 1);
746    for (i = 0; i < NV50_MAX_VIEWPORTS; i++) {
747       BEGIN_NV04(push, NV50_3D(DEPTH_RANGE_NEAR(i)), 2);
748       PUSH_DATAf(push, 0.0f);
749       PUSH_DATAf(push, 1.0f);
750       BEGIN_NV04(push, NV50_3D(VIEWPORT_HORIZ(i)), 2);
751       PUSH_DATA (push, 8192 << 16);
752       PUSH_DATA (push, 8192 << 16);
753    }
754
755    BEGIN_NV04(push, NV50_3D(VIEW_VOLUME_CLIP_CTRL), 1);
756 #ifdef NV50_SCISSORS_CLIPPING
757    PUSH_DATA (push, 0x0000);
758 #else
759    PUSH_DATA (push, 0x1080);
760 #endif
761
762    BEGIN_NV04(push, NV50_3D(CLEAR_FLAGS), 1);
763    PUSH_DATA (push, NV50_3D_CLEAR_FLAGS_CLEAR_RECT_VIEWPORT);
764
765    /* We use scissors instead of exact view volume clipping,
766     * so they're always enabled.
767     */
768    for (i = 0; i < NV50_MAX_VIEWPORTS; i++) {
769       BEGIN_NV04(push, NV50_3D(SCISSOR_ENABLE(i)), 3);
770       PUSH_DATA (push, 1);
771       PUSH_DATA (push, 8192 << 16);
772       PUSH_DATA (push, 8192 << 16);
773    }
774
775    BEGIN_NV04(push, NV50_3D(RASTERIZE_ENABLE), 1);
776    PUSH_DATA (push, 1);
777    BEGIN_NV04(push, NV50_3D(POINT_RASTER_RULES), 1);
778    PUSH_DATA (push, NV50_3D_POINT_RASTER_RULES_OGL);
779    BEGIN_NV04(push, NV50_3D(FRAG_COLOR_CLAMP_EN), 1);
780    PUSH_DATA (push, 0x11111111);
781    BEGIN_NV04(push, NV50_3D(EDGEFLAG), 1);
782    PUSH_DATA (push, 1);
783
784    BEGIN_NV04(push, NV50_3D(VB_ELEMENT_BASE), 1);
785    PUSH_DATA (push, 0);
786    if (screen->base.class_3d >= NV84_3D_CLASS) {
787       BEGIN_NV04(push, NV84_3D(VERTEX_ID_BASE), 1);
788       PUSH_DATA (push, 0);
789    }
790
791    BEGIN_NV04(push, NV50_3D(UNK0FDC), 1);
792    PUSH_DATA (push, 1);
793    BEGIN_NV04(push, NV50_3D(UNK19C0), 1);
794    PUSH_DATA (push, 1);
795
796    PUSH_KICK (push);
797 }
798
799 static int nv50_tls_alloc(struct nv50_screen *screen, unsigned tls_space,
800       uint64_t *tls_size)
801 {
802    struct nouveau_device *dev = screen->base.device;
803    int ret;
804
805    screen->cur_tls_space = util_next_power_of_two(tls_space / ONE_TEMP_SIZE) *
806          ONE_TEMP_SIZE;
807    if (nouveau_mesa_debug)
808       debug_printf("allocating space for %u temps\n",
809             util_next_power_of_two(tls_space / ONE_TEMP_SIZE));
810    *tls_size = screen->cur_tls_space * util_next_power_of_two(screen->TPs) *
811          screen->MPsInTP * LOCAL_WARPS_ALLOC * THREADS_IN_WARP;
812
813    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16,
814                         *tls_size, NULL, &screen->tls_bo);
815    if (ret) {
816       NOUVEAU_ERR("Failed to allocate local bo: %d\n", ret);
817       return ret;
818    }
819
820    return 0;
821 }
822
823 int nv50_tls_realloc(struct nv50_screen *screen, unsigned tls_space)
824 {
825    struct nouveau_pushbuf *push = screen->base.pushbuf;
826    int ret;
827    uint64_t tls_size;
828
829    if (tls_space < screen->cur_tls_space)
830       return 0;
831    if (tls_space > screen->max_tls_space) {
832       /* fixable by limiting number of warps (LOCAL_WARPS_LOG_ALLOC /
833        * LOCAL_WARPS_NO_CLAMP) */
834       NOUVEAU_ERR("Unsupported number of temporaries (%u > %u). Fixable if someone cares.\n",
835             (unsigned)(tls_space / ONE_TEMP_SIZE),
836             (unsigned)(screen->max_tls_space / ONE_TEMP_SIZE));
837       return -ENOMEM;
838    }
839
840    nouveau_bo_ref(NULL, &screen->tls_bo);
841    ret = nv50_tls_alloc(screen, tls_space, &tls_size);
842    if (ret)
843       return ret;
844
845    BEGIN_NV04(push, NV50_3D(LOCAL_ADDRESS_HIGH), 3);
846    PUSH_DATAh(push, screen->tls_bo->offset);
847    PUSH_DATA (push, screen->tls_bo->offset);
848    PUSH_DATA (push, util_logbase2(screen->cur_tls_space / 8));
849
850    return 1;
851 }
852
853 struct nouveau_screen *
854 nv50_screen_create(struct nouveau_device *dev)
855 {
856    struct nv50_screen *screen;
857    struct pipe_screen *pscreen;
858    struct nouveau_object *chan;
859    uint64_t value;
860    uint32_t tesla_class;
861    unsigned stack_size;
862    int ret;
863
864    screen = CALLOC_STRUCT(nv50_screen);
865    if (!screen)
866       return NULL;
867    pscreen = &screen->base.base;
868    pscreen->destroy = nv50_screen_destroy;
869
870    ret = nouveau_screen_init(&screen->base, dev);
871    if (ret) {
872       NOUVEAU_ERR("nouveau_screen_init failed: %d\n", ret);
873       goto fail;
874    }
875
876    /* TODO: Prevent FIFO prefetch before transfer of index buffers and
877     *  admit them to VRAM.
878     */
879    screen->base.vidmem_bindings |= PIPE_BIND_CONSTANT_BUFFER |
880       PIPE_BIND_VERTEX_BUFFER;
881    screen->base.sysmem_bindings |=
882       PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER;
883
884    screen->base.pushbuf->user_priv = screen;
885    screen->base.pushbuf->rsvd_kick = 5;
886
887    chan = screen->base.channel;
888
889    pscreen->context_create = nv50_create;
890    pscreen->is_format_supported = nv50_screen_is_format_supported;
891    pscreen->get_param = nv50_screen_get_param;
892    pscreen->get_shader_param = nv50_screen_get_shader_param;
893    pscreen->get_paramf = nv50_screen_get_paramf;
894    pscreen->get_compute_param = nv50_screen_get_compute_param;
895    pscreen->get_driver_query_info = nv50_screen_get_driver_query_info;
896    pscreen->get_driver_query_group_info = nv50_screen_get_driver_query_group_info;
897
898    nv50_screen_init_resource_functions(pscreen);
899
900    if (screen->base.device->chipset < 0x84 ||
901        debug_get_bool_option("NOUVEAU_PMPEG", false)) {
902       /* PMPEG */
903       nouveau_screen_init_vdec(&screen->base);
904    } else if (screen->base.device->chipset < 0x98 ||
905               screen->base.device->chipset == 0xa0) {
906       /* VP2 */
907       screen->base.base.get_video_param = nv84_screen_get_video_param;
908       screen->base.base.is_video_format_supported = nv84_screen_video_supported;
909    } else {
910       /* VP3/4 */
911       screen->base.base.get_video_param = nouveau_vp3_screen_get_video_param;
912       screen->base.base.is_video_format_supported = nouveau_vp3_screen_video_supported;
913    }
914
915    ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096,
916                         NULL, &screen->fence.bo);
917    if (ret) {
918       NOUVEAU_ERR("Failed to allocate fence bo: %d\n", ret);
919       goto fail;
920    }
921
922    nouveau_bo_map(screen->fence.bo, 0, NULL);
923    screen->fence.map = screen->fence.bo->map;
924    screen->base.fence.emit = nv50_screen_fence_emit;
925    screen->base.fence.update = nv50_screen_fence_update;
926
927    ret = nouveau_object_new(chan, 0xbeef0301, NOUVEAU_NOTIFIER_CLASS,
928                             &(struct nv04_notify){ .length = 32 },
929                             sizeof(struct nv04_notify), &screen->sync);
930    if (ret) {
931       NOUVEAU_ERR("Failed to allocate notifier: %d\n", ret);
932       goto fail;
933    }
934
935    ret = nouveau_object_new(chan, 0xbeef5039, NV50_M2MF_CLASS,
936                             NULL, 0, &screen->m2mf);
937    if (ret) {
938       NOUVEAU_ERR("Failed to allocate PGRAPH context for M2MF: %d\n", ret);
939       goto fail;
940    }
941
942    ret = nouveau_object_new(chan, 0xbeef502d, NV50_2D_CLASS,
943                             NULL, 0, &screen->eng2d);
944    if (ret) {
945       NOUVEAU_ERR("Failed to allocate PGRAPH context for 2D: %d\n", ret);
946       goto fail;
947    }
948
949    switch (dev->chipset & 0xf0) {
950    case 0x50:
951       tesla_class = NV50_3D_CLASS;
952       break;
953    case 0x80:
954    case 0x90:
955       tesla_class = NV84_3D_CLASS;
956       break;
957    case 0xa0:
958       switch (dev->chipset) {
959       case 0xa0:
960       case 0xaa:
961       case 0xac:
962          tesla_class = NVA0_3D_CLASS;
963          break;
964       case 0xaf:
965          tesla_class = NVAF_3D_CLASS;
966          break;
967       default:
968          tesla_class = NVA3_3D_CLASS;
969          break;
970       }
971       break;
972    default:
973       NOUVEAU_ERR("Not a known NV50 chipset: NV%02x\n", dev->chipset);
974       goto fail;
975    }
976    screen->base.class_3d = tesla_class;
977
978    ret = nouveau_object_new(chan, 0xbeef5097, tesla_class,
979                             NULL, 0, &screen->tesla);
980    if (ret) {
981       NOUVEAU_ERR("Failed to allocate PGRAPH context for 3D: %d\n", ret);
982       goto fail;
983    }
984
985    /* This over-allocates by a page. The GP, which would execute at the end of
986     * the last page, would trigger faults. The going theory is that it
987     * prefetches up to a certain amount.
988     */
989    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16,
990                         (3 << NV50_CODE_BO_SIZE_LOG2) + 0x1000,
991                         NULL, &screen->code);
992    if (ret) {
993       NOUVEAU_ERR("Failed to allocate code bo: %d\n", ret);
994       goto fail;
995    }
996
997    nouveau_heap_init(&screen->vp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
998    nouveau_heap_init(&screen->gp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
999    nouveau_heap_init(&screen->fp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
1000
1001    nouveau_getparam(dev, NOUVEAU_GETPARAM_GRAPH_UNITS, &value);
1002
1003    screen->TPs = util_bitcount(value & 0xffff);
1004    screen->MPsInTP = util_bitcount(value & 0x0f000000);
1005
1006    screen->mp_count = screen->TPs * screen->MPsInTP;
1007
1008    stack_size = util_next_power_of_two(screen->TPs) * screen->MPsInTP *
1009          STACK_WARPS_ALLOC * 64 * 8;
1010
1011    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, stack_size, NULL,
1012                         &screen->stack_bo);
1013    if (ret) {
1014       NOUVEAU_ERR("Failed to allocate stack bo: %d\n", ret);
1015       goto fail;
1016    }
1017
1018    uint64_t size_of_one_temp = util_next_power_of_two(screen->TPs) *
1019          screen->MPsInTP * LOCAL_WARPS_ALLOC *  THREADS_IN_WARP *
1020          ONE_TEMP_SIZE;
1021    screen->max_tls_space = dev->vram_size / size_of_one_temp * ONE_TEMP_SIZE;
1022    screen->max_tls_space /= 2; /* half of vram */
1023
1024    /* hw can address max 64 KiB */
1025    screen->max_tls_space = MIN2(screen->max_tls_space, 64 << 10);
1026
1027    uint64_t tls_size;
1028    unsigned tls_space = 4/*temps*/ * ONE_TEMP_SIZE;
1029    ret = nv50_tls_alloc(screen, tls_space, &tls_size);
1030    if (ret)
1031       goto fail;
1032
1033    if (nouveau_mesa_debug)
1034       debug_printf("TPs = %u, MPsInTP = %u, VRAM = %"PRIu64" MiB, tls_size = %"PRIu64" KiB\n",
1035             screen->TPs, screen->MPsInTP, dev->vram_size >> 20, tls_size >> 10);
1036
1037    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, 4 << 16, NULL,
1038                         &screen->uniforms);
1039    if (ret) {
1040       NOUVEAU_ERR("Failed to allocate uniforms bo: %d\n", ret);
1041       goto fail;
1042    }
1043
1044    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, 3 << 16, NULL,
1045                         &screen->txc);
1046    if (ret) {
1047       NOUVEAU_ERR("Failed to allocate TIC/TSC bo: %d\n", ret);
1048       goto fail;
1049    }
1050
1051    screen->tic.entries = CALLOC(4096, sizeof(void *));
1052    screen->tsc.entries = screen->tic.entries + 2048;
1053
1054    if (!nv50_blitter_create(screen))
1055       goto fail;
1056
1057    nv50_screen_init_hwctx(screen);
1058
1059    ret = nv50_screen_compute_setup(screen, screen->base.pushbuf);
1060    if (ret) {
1061       NOUVEAU_ERR("Failed to init compute context: %d\n", ret);
1062       goto fail;
1063    }
1064
1065    nouveau_fence_new(&screen->base, &screen->base.fence.current);
1066
1067    return &screen->base;
1068
1069 fail:
1070    screen->base.base.context_create = NULL;
1071    return &screen->base;
1072 }
1073
1074 int
1075 nv50_screen_tic_alloc(struct nv50_screen *screen, void *entry)
1076 {
1077    int i = screen->tic.next;
1078
1079    while (screen->tic.lock[i / 32] & (1 << (i % 32)))
1080       i = (i + 1) & (NV50_TIC_MAX_ENTRIES - 1);
1081
1082    screen->tic.next = (i + 1) & (NV50_TIC_MAX_ENTRIES - 1);
1083
1084    if (screen->tic.entries[i])
1085       nv50_tic_entry(screen->tic.entries[i])->id = -1;
1086
1087    screen->tic.entries[i] = entry;
1088    return i;
1089 }
1090
1091 int
1092 nv50_screen_tsc_alloc(struct nv50_screen *screen, void *entry)
1093 {
1094    int i = screen->tsc.next;
1095
1096    while (screen->tsc.lock[i / 32] & (1 << (i % 32)))
1097       i = (i + 1) & (NV50_TSC_MAX_ENTRIES - 1);
1098
1099    screen->tsc.next = (i + 1) & (NV50_TSC_MAX_ENTRIES - 1);
1100
1101    if (screen->tsc.entries[i])
1102       nv50_tsc_entry(screen->tsc.entries[i])->id = -1;
1103
1104    screen->tsc.entries[i] = entry;
1105    return i;
1106 }