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1 /*
2  * Copyright 2012 Red Hat Inc.
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  * Authors: Ben Skeggs
23  *
24  */
25 
26 #include <xf86drm.h>
27 #include <nouveau_drm.h>
28 #include "util/format/u_format.h"
29 #include "util/format/u_format_s3tc.h"
30 #include "util/u_screen.h"
31 
32 #include "nv_object.xml.h"
33 #include "nv_m2mf.xml.h"
34 #include "nv30/nv30-40_3d.xml.h"
35 #include "nv30/nv01_2d.xml.h"
36 
37 #include "nouveau_fence.h"
38 #include "nv30/nv30_screen.h"
39 #include "nv30/nv30_context.h"
40 #include "nv30/nv30_resource.h"
41 #include "nv30/nv30_format.h"
42 #include "nv30/nv30_winsys.h"
43 
44 #define RANKINE_0397_CHIPSET 0x00000003
45 #define RANKINE_0497_CHIPSET 0x000001e0
46 #define RANKINE_0697_CHIPSET 0x00000010
47 #define CURIE_4097_CHIPSET   0x00000baf
48 #define CURIE_4497_CHIPSET   0x00005450
49 #define CURIE_4497_CHIPSET6X 0x00000088
50 
51 static int
nv30_screen_get_param(struct pipe_screen * pscreen,enum pipe_cap param)52 nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
53 {
54    struct nv30_screen *screen = nv30_screen(pscreen);
55    struct nouveau_object *eng3d = screen->eng3d;
56    struct nouveau_device *dev = nouveau_screen(pscreen)->device;
57 
58    switch (param) {
59    /* non-boolean capabilities */
60    case PIPE_CAP_MAX_RENDER_TARGETS:
61       return (eng3d->oclass >= NV40_3D_CLASS) ? 4 : 1;
62    case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
63       return 4096;
64    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
65       return 10;
66    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
67       return 13;
68    case PIPE_CAP_GLSL_FEATURE_LEVEL:
69    case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
70       return 120;
71    case PIPE_CAP_ENDIANNESS:
72       return PIPE_ENDIAN_LITTLE;
73    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
74       return 16;
75    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
76       return NOUVEAU_MIN_BUFFER_MAP_ALIGN;
77    case PIPE_CAP_MAX_VIEWPORTS:
78       return 1;
79    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
80       return 2048;
81    case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
82       return 8 * 1024 * 1024;
83    case PIPE_CAP_MAX_VARYINGS:
84       return 8;
85 
86    /* supported capabilities */
87    case PIPE_CAP_ANISOTROPIC_FILTER:
88    case PIPE_CAP_OCCLUSION_QUERY:
89    case PIPE_CAP_QUERY_TIME_ELAPSED:
90    case PIPE_CAP_QUERY_TIMESTAMP:
91    case PIPE_CAP_TEXTURE_SWIZZLE:
92    case PIPE_CAP_DEPTH_CLIP_DISABLE:
93    case PIPE_CAP_FS_COORD_ORIGIN_UPPER_LEFT:
94    case PIPE_CAP_FS_COORD_ORIGIN_LOWER_LEFT:
95    case PIPE_CAP_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
96    case PIPE_CAP_FS_COORD_PIXEL_CENTER_INTEGER:
97    case PIPE_CAP_TGSI_TEXCOORD:
98    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
99    case PIPE_CAP_CLEAR_SCISSORED:
100    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
101    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
102    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
103    case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
104    case PIPE_CAP_QUERY_MEMORY_INFO:
105       return 1;
106    case PIPE_CAP_TEXTURE_TRANSFER_MODES:
107       return PIPE_TEXTURE_TRANSFER_BLIT;
108    /* nv35 capabilities */
109    case PIPE_CAP_DEPTH_BOUNDS_TEST:
110       return eng3d->oclass == NV35_3D_CLASS || eng3d->oclass >= NV40_3D_CLASS;
111    case PIPE_CAP_SUPPORTED_PRIM_MODES_WITH_RESTART:
112    case PIPE_CAP_SUPPORTED_PRIM_MODES:
113       return BITFIELD_MASK(MESA_PRIM_COUNT);
114    /* nv4x capabilities */
115    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
116    case PIPE_CAP_NPOT_TEXTURES:
117    case PIPE_CAP_CONDITIONAL_RENDER:
118    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
119    case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:
120    case PIPE_CAP_PRIMITIVE_RESTART:
121    case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
122       return (eng3d->oclass >= NV40_3D_CLASS) ? 1 : 0;
123    /* unsupported */
124    case PIPE_CAP_EMULATE_NONFIXED_PRIMITIVE_RESTART:
125    case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
126    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
127    case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
128    case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
129    case PIPE_CAP_INDEP_BLEND_ENABLE:
130    case PIPE_CAP_INDEP_BLEND_FUNC:
131    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
132    case PIPE_CAP_SHADER_STENCIL_EXPORT:
133    case PIPE_CAP_VS_INSTANCEID:
134    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: /* XXX: yes? */
135    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
136    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
137    case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
138    case PIPE_CAP_MIN_TEXEL_OFFSET:
139    case PIPE_CAP_MAX_TEXEL_OFFSET:
140    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
141    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
142    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
143    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
144    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
145    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
146    case PIPE_CAP_MAX_VERTEX_STREAMS:
147    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
148    case PIPE_CAP_TEXTURE_BARRIER:
149    case PIPE_CAP_SEAMLESS_CUBE_MAP:
150    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
151    case PIPE_CAP_CUBE_MAP_ARRAY:
152    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
153    case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
154    case PIPE_CAP_VERTEX_COLOR_CLAMPED:
155    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
156    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
157    case PIPE_CAP_START_INSTANCE:
158    case PIPE_CAP_TEXTURE_MULTISAMPLE:
159    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
160    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
161    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
162    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
163    case PIPE_CAP_MAX_TEXEL_BUFFER_ELEMENTS_UINT:
164    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
165    case PIPE_CAP_VS_LAYER_VIEWPORT:
166    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
167    case PIPE_CAP_TEXTURE_GATHER_SM5:
168    case PIPE_CAP_FAKE_SW_MSAA:
169    case PIPE_CAP_TEXTURE_QUERY_LOD:
170    case PIPE_CAP_SAMPLE_SHADING:
171    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
172    case PIPE_CAP_VS_WINDOW_SPACE_POSITION:
173    case PIPE_CAP_USER_VERTEX_BUFFERS:
174    case PIPE_CAP_COMPUTE:
175    case PIPE_CAP_DRAW_INDIRECT:
176    case PIPE_CAP_MULTI_DRAW_INDIRECT:
177    case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
178    case PIPE_CAP_FS_FINE_DERIVATIVE:
179    case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
180    case PIPE_CAP_SAMPLER_VIEW_TARGET:
181    case PIPE_CAP_CLIP_HALFZ:
182    case PIPE_CAP_POLYGON_OFFSET_CLAMP:
183    case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
184    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
185    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
186    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
187    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
188    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
189    case PIPE_CAP_TEXTURE_QUERY_SAMPLES:
190    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
191    case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
192    case PIPE_CAP_SHAREABLE_SHADERS:
193    case PIPE_CAP_DRAW_PARAMETERS:
194    case PIPE_CAP_SHADER_PACK_HALF_FLOAT:
195    case PIPE_CAP_FS_POSITION_IS_SYSVAL:
196    case PIPE_CAP_FS_FACE_IS_INTEGER_SYSVAL:
197    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
198    case PIPE_CAP_INVALIDATE_BUFFER:
199    case PIPE_CAP_GENERATE_MIPMAP:
200    case PIPE_CAP_STRING_MARKER:
201    case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
202    case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
203    case PIPE_CAP_QUERY_BUFFER_OBJECT:
204    case PIPE_CAP_PCI_GROUP:
205    case PIPE_CAP_PCI_BUS:
206    case PIPE_CAP_PCI_DEVICE:
207    case PIPE_CAP_PCI_FUNCTION:
208    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
209    case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
210    case PIPE_CAP_CULL_DISTANCE:
211    case PIPE_CAP_SHADER_GROUP_VOTE:
212    case PIPE_CAP_MAX_WINDOW_RECTANGLES:
213    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
214    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
215    case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
216    case PIPE_CAP_SHADER_ARRAY_COMPONENTS:
217    case PIPE_CAP_SHADER_CAN_READ_OUTPUTS:
218    case PIPE_CAP_NATIVE_FENCE_FD:
219    case PIPE_CAP_FBFETCH:
220    case PIPE_CAP_LEGACY_MATH_RULES:
221    case PIPE_CAP_DOUBLES:
222    case PIPE_CAP_INT64:
223    case PIPE_CAP_TGSI_TEX_TXF_LZ:
224    case PIPE_CAP_SHADER_CLOCK:
225    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
226    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
227    case PIPE_CAP_SHADER_BALLOT:
228    case PIPE_CAP_TES_LAYER_VIEWPORT:
229    case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
230    case PIPE_CAP_POST_DEPTH_COVERAGE:
231    case PIPE_CAP_BINDLESS_TEXTURE:
232    case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
233    case PIPE_CAP_QUERY_SO_OVERFLOW:
234    case PIPE_CAP_MEMOBJ:
235    case PIPE_CAP_LOAD_CONSTBUF:
236    case PIPE_CAP_TILE_RASTER_ORDER:
237    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
238    case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS:
239    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
240    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
241    case PIPE_CAP_FENCE_SIGNAL:
242    case PIPE_CAP_CONSTBUF0_FLAGS:
243    case PIPE_CAP_PACKED_UNIFORMS:
244    case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
245    case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
246    case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
247    case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
248    case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
249    case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
250    case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
251    case PIPE_CAP_IMAGE_LOAD_FORMATTED:
252    case PIPE_CAP_TGSI_DIV:
253    case PIPE_CAP_IMAGE_ATOMIC_INC_WRAP:
254    case PIPE_CAP_IMAGE_STORE_FORMATTED:
255       return 0;
256 
257    case PIPE_CAP_MAX_GS_INVOCATIONS:
258       return 32;
259    case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
260       return 1 << 27;
261    case PIPE_CAP_VENDOR_ID:
262       return 0x10de;
263    case PIPE_CAP_DEVICE_ID: {
264       uint64_t device_id;
265       if (nouveau_getparam(dev, NOUVEAU_GETPARAM_PCI_DEVICE, &device_id)) {
266          NOUVEAU_ERR("NOUVEAU_GETPARAM_PCI_DEVICE failed.\n");
267          return -1;
268       }
269       return device_id;
270    }
271    case PIPE_CAP_ACCELERATED:
272       return 1;
273    case PIPE_CAP_VIDEO_MEMORY:
274       return dev->vram_size >> 20;
275    case PIPE_CAP_UMA:
276       return 0;
277    default:
278       return u_pipe_screen_get_param_defaults(pscreen, param);
279    }
280 }
281 
282 static float
nv30_screen_get_paramf(struct pipe_screen * pscreen,enum pipe_capf param)283 nv30_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
284 {
285    struct nv30_screen *screen = nv30_screen(pscreen);
286    struct nouveau_object *eng3d = screen->eng3d;
287 
288    switch (param) {
289    case PIPE_CAPF_MIN_LINE_WIDTH:
290    case PIPE_CAPF_MIN_LINE_WIDTH_AA:
291    case PIPE_CAPF_MIN_POINT_SIZE:
292    case PIPE_CAPF_MIN_POINT_SIZE_AA:
293       return 1;
294    case PIPE_CAPF_POINT_SIZE_GRANULARITY:
295    case PIPE_CAPF_LINE_WIDTH_GRANULARITY:
296       return 0.1;
297    case PIPE_CAPF_MAX_LINE_WIDTH:
298    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
299       return 10.0;
300    case PIPE_CAPF_MAX_POINT_SIZE:
301    case PIPE_CAPF_MAX_POINT_SIZE_AA:
302       return 64.0;
303    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
304       return (eng3d->oclass >= NV40_3D_CLASS) ? 16.0 : 8.0;
305    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
306       return 15.0;
307    case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
308    case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
309    case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
310       return 0.0;
311    default:
312       debug_printf("unknown paramf %d\n", param);
313       return 0;
314    }
315 }
316 
317 static int
nv30_screen_get_shader_param(struct pipe_screen * pscreen,enum pipe_shader_type shader,enum pipe_shader_cap param)318 nv30_screen_get_shader_param(struct pipe_screen *pscreen,
319                              enum pipe_shader_type shader,
320                              enum pipe_shader_cap param)
321 {
322    struct nv30_screen *screen = nv30_screen(pscreen);
323    struct nouveau_object *eng3d = screen->eng3d;
324 
325    switch (shader) {
326    case PIPE_SHADER_VERTEX:
327       switch (param) {
328       case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
329       case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
330          return (eng3d->oclass >= NV40_3D_CLASS) ? 512 : 256;
331       case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
332       case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
333          return (eng3d->oclass >= NV40_3D_CLASS) ? 512 : 0;
334       case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
335          return 0;
336       case PIPE_SHADER_CAP_MAX_INPUTS:
337       case PIPE_SHADER_CAP_MAX_OUTPUTS:
338          return 16;
339       case PIPE_SHADER_CAP_MAX_CONST_BUFFER0_SIZE:
340          return ((eng3d->oclass >= NV40_3D_CLASS) ? (468 - 6): (256 - 6)) * sizeof(float[4]);
341       case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
342          return 1;
343       case PIPE_SHADER_CAP_MAX_TEMPS:
344          return (eng3d->oclass >= NV40_3D_CLASS) ? 32 : 13;
345       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
346       case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
347          return 0;
348       case PIPE_SHADER_CAP_CONT_SUPPORTED:
349       case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
350       case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
351       case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
352       case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
353       case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
354       case PIPE_SHADER_CAP_SUBROUTINES:
355       case PIPE_SHADER_CAP_INTEGERS:
356       case PIPE_SHADER_CAP_INT64_ATOMICS:
357       case PIPE_SHADER_CAP_FP16:
358       case PIPE_SHADER_CAP_FP16_DERIVATIVES:
359       case PIPE_SHADER_CAP_FP16_CONST_BUFFERS:
360       case PIPE_SHADER_CAP_INT16:
361       case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
362       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
363       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
364       case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
365       case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
366       case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
367          return 0;
368       case PIPE_SHADER_CAP_SUPPORTED_IRS:
369          return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
370       default:
371          debug_printf("unknown vertex shader param %d\n", param);
372          return 0;
373       }
374       break;
375    case PIPE_SHADER_FRAGMENT:
376       switch (param) {
377       case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
378       case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
379       case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
380       case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
381          return 4096;
382       case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
383          return 0;
384       case PIPE_SHADER_CAP_MAX_INPUTS:
385          return 8; /* should be possible to do 10 with nv4x */
386       case PIPE_SHADER_CAP_MAX_OUTPUTS:
387          return 4;
388       case PIPE_SHADER_CAP_MAX_CONST_BUFFER0_SIZE:
389          return ((eng3d->oclass >= NV40_3D_CLASS) ? 224 : 32) * sizeof(float[4]);
390       case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
391          return 1;
392       case PIPE_SHADER_CAP_MAX_TEMPS:
393          return 32;
394       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
395       case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
396          return 16;
397       case PIPE_SHADER_CAP_CONT_SUPPORTED:
398       case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
399       case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
400       case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
401       case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
402       case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
403       case PIPE_SHADER_CAP_SUBROUTINES:
404       case PIPE_SHADER_CAP_INTEGERS:
405       case PIPE_SHADER_CAP_FP16:
406       case PIPE_SHADER_CAP_FP16_DERIVATIVES:
407       case PIPE_SHADER_CAP_FP16_CONST_BUFFERS:
408       case PIPE_SHADER_CAP_INT16:
409       case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
410       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
411       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
412       case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
413       case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
414       case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
415          return 0;
416       case PIPE_SHADER_CAP_SUPPORTED_IRS:
417          return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
418       default:
419          debug_printf("unknown fragment shader param %d\n", param);
420          return 0;
421       }
422       break;
423    default:
424       return 0;
425    }
426 }
427 
428 static bool
nv30_screen_is_format_supported(struct pipe_screen * pscreen,enum pipe_format format,enum pipe_texture_target target,unsigned sample_count,unsigned storage_sample_count,unsigned bindings)429 nv30_screen_is_format_supported(struct pipe_screen *pscreen,
430                                 enum pipe_format format,
431                                 enum pipe_texture_target target,
432                                 unsigned sample_count,
433                                 unsigned storage_sample_count,
434                                 unsigned bindings)
435 {
436    if (sample_count > nv30_screen(pscreen)->max_sample_count)
437       return false;
438 
439    if (!(0x00000017 & (1 << sample_count)))
440       return false;
441 
442    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
443       return false;
444 
445    /* No way to render to a swizzled 3d texture. We don't necessarily know if
446     * it's swizzled or not here, but we have to assume anyways.
447     */
448    if (target == PIPE_TEXTURE_3D && (bindings & PIPE_BIND_RENDER_TARGET))
449       return false;
450 
451    /* shared is always supported */
452    bindings &= ~PIPE_BIND_SHARED;
453 
454    if (bindings & PIPE_BIND_INDEX_BUFFER) {
455       if (format != PIPE_FORMAT_R8_UINT &&
456           format != PIPE_FORMAT_R16_UINT &&
457           format != PIPE_FORMAT_R32_UINT)
458          return false;
459       bindings &= ~PIPE_BIND_INDEX_BUFFER;
460    }
461 
462    return (nv30_format_info(pscreen, format)->bindings & bindings) == bindings;
463 }
464 
465 static const nir_shader_compiler_options nv30_base_compiler_options = {
466    .fuse_ffma32 = true,
467    .fuse_ffma64 = true,
468    .lower_bitops = true,
469    .lower_extract_byte = true,
470    .lower_extract_word = true,
471    .lower_fdiv = true,
472    .lower_fsat = true,
473    .lower_insert_byte = true,
474    .lower_insert_word = true,
475    .lower_fdph = true,
476    .lower_flrp32 = true,
477    .lower_flrp64 = true,
478    .lower_fmod = true,
479    .lower_fpow = true, /* In hardware as of nv40 FS */
480    .lower_uniforms_to_ubo = true,
481    .lower_vector_cmp = true,
482    .force_indirect_unrolling = nir_var_all,
483    .force_indirect_unrolling_sampler = true,
484    .max_unroll_iterations = 32,
485    .no_integers = true,
486 
487    .use_interpolated_input_intrinsics = true,
488 };
489 
490 static const void *
nv30_screen_get_compiler_options(struct pipe_screen * pscreen,enum pipe_shader_ir ir,enum pipe_shader_type shader)491 nv30_screen_get_compiler_options(struct pipe_screen *pscreen,
492                                  enum pipe_shader_ir ir,
493                                  enum pipe_shader_type shader)
494 {
495    struct nv30_screen *screen = nv30_screen(pscreen);
496    assert(ir == PIPE_SHADER_IR_NIR);
497 
498    /* The FS compiler options are different between nv30 and nv40, and are set
499     * up at screen creation time.
500     */
501    if (shader == PIPE_SHADER_FRAGMENT)
502       return &screen->fs_compiler_options;
503 
504    return &nv30_base_compiler_options;
505 }
506 
507 static void
nv30_screen_fence_emit(struct pipe_context * pcontext,uint32_t * sequence,struct nouveau_bo * wait)508 nv30_screen_fence_emit(struct pipe_context *pcontext, uint32_t *sequence,
509                        struct nouveau_bo *wait)
510 {
511    struct nv30_context *nv30 = nv30_context(pcontext);
512    struct nv30_screen *screen = nv30->screen;
513    struct nouveau_pushbuf *push = nv30->base.pushbuf;
514    struct nouveau_pushbuf_refn ref = { wait, NOUVEAU_BO_GART | NOUVEAU_BO_RDWR };
515 
516    *sequence = ++screen->base.fence.sequence;
517 
518    assert(PUSH_AVAIL(push) + push->rsvd_kick >= 3);
519    PUSH_DATA (push, NV30_3D_FENCE_OFFSET |
520               (2 /* size */ << 18) | (7 /* subchan */ << 13));
521    PUSH_DATA (push, 0);
522    PUSH_DATA (push, *sequence);
523 
524    nouveau_pushbuf_refn(push, &ref, 1);
525 }
526 
527 static uint32_t
nv30_screen_fence_update(struct pipe_screen * pscreen)528 nv30_screen_fence_update(struct pipe_screen *pscreen)
529 {
530    struct nv30_screen *screen = nv30_screen(pscreen);
531    struct nv04_notify *fence = screen->fence->data;
532    return *(uint32_t *)((char *)screen->notify->map + fence->offset);
533 }
534 
535 static void
nv30_screen_destroy(struct pipe_screen * pscreen)536 nv30_screen_destroy(struct pipe_screen *pscreen)
537 {
538    struct nv30_screen *screen = nv30_screen(pscreen);
539 
540    if (!nouveau_drm_screen_unref(&screen->base))
541       return;
542 
543    nouveau_bo_ref(NULL, &screen->notify);
544 
545    nouveau_heap_destroy(&screen->query_heap);
546    nouveau_heap_destroy(&screen->vp_exec_heap);
547    nouveau_heap_destroy(&screen->vp_data_heap);
548 
549    nouveau_object_del(&screen->query);
550    nouveau_object_del(&screen->fence);
551    nouveau_object_del(&screen->ntfy);
552 
553    nouveau_object_del(&screen->sifm);
554    nouveau_object_del(&screen->swzsurf);
555    nouveau_object_del(&screen->surf2d);
556    nouveau_object_del(&screen->m2mf);
557    nouveau_object_del(&screen->eng3d);
558    nouveau_object_del(&screen->null);
559 
560    nouveau_screen_fini(&screen->base);
561    FREE(screen);
562 }
563 
564 #define FAIL_SCREEN_INIT(str, err)                    \
565    do {                                               \
566       NOUVEAU_ERR(str, err);                          \
567       screen->base.base.context_create = NULL;        \
568       return &screen->base;                           \
569    } while(0)
570 
571 struct nouveau_screen *
nv30_screen_create(struct nouveau_device * dev)572 nv30_screen_create(struct nouveau_device *dev)
573 {
574    struct nv30_screen *screen;
575    struct pipe_screen *pscreen;
576    struct nouveau_pushbuf *push;
577    struct nv04_fifo *fifo;
578    unsigned oclass = 0;
579    int ret, i;
580 
581    switch (dev->chipset & 0xf0) {
582    case 0x30:
583       if (RANKINE_0397_CHIPSET & (1 << (dev->chipset & 0x0f)))
584          oclass = NV30_3D_CLASS;
585       else
586       if (RANKINE_0697_CHIPSET & (1 << (dev->chipset & 0x0f)))
587          oclass = NV34_3D_CLASS;
588       else
589       if (RANKINE_0497_CHIPSET & (1 << (dev->chipset & 0x0f)))
590          oclass = NV35_3D_CLASS;
591       break;
592    case 0x40:
593       if (CURIE_4097_CHIPSET & (1 << (dev->chipset & 0x0f)))
594          oclass = NV40_3D_CLASS;
595       else
596       if (CURIE_4497_CHIPSET & (1 << (dev->chipset & 0x0f)))
597          oclass = NV44_3D_CLASS;
598       break;
599    case 0x60:
600       if (CURIE_4497_CHIPSET6X & (1 << (dev->chipset & 0x0f)))
601          oclass = NV44_3D_CLASS;
602       break;
603    default:
604       break;
605    }
606 
607    if (!oclass) {
608       NOUVEAU_ERR("unknown 3d class for 0x%02x\n", dev->chipset);
609       return NULL;
610    }
611 
612    screen = CALLOC_STRUCT(nv30_screen);
613    if (!screen)
614       return NULL;
615 
616    pscreen = &screen->base.base;
617    pscreen->destroy = nv30_screen_destroy;
618 
619    /*
620     * Some modern apps try to use msaa without keeping in mind the
621     * restrictions on videomem of older cards. Resulting in dmesg saying:
622     * [ 1197.850642] nouveau E[soffice.bin[3785]] fail ttm_validate
623     * [ 1197.850648] nouveau E[soffice.bin[3785]] validating bo list
624     * [ 1197.850654] nouveau E[soffice.bin[3785]] validate: -12
625     *
626     * Because we are running out of video memory, after which the program
627     * using the msaa visual freezes, and eventually the entire system freezes.
628     *
629     * To work around this we do not allow msaa visauls by default and allow
630     * the user to override this via NV30_MAX_MSAA.
631     */
632    screen->max_sample_count = debug_get_num_option("NV30_MAX_MSAA", 0);
633    if (screen->max_sample_count > 4)
634       screen->max_sample_count = 4;
635 
636    pscreen->get_param = nv30_screen_get_param;
637    pscreen->get_paramf = nv30_screen_get_paramf;
638    pscreen->get_shader_param = nv30_screen_get_shader_param;
639    pscreen->context_create = nv30_context_create;
640    pscreen->is_format_supported = nv30_screen_is_format_supported;
641    pscreen->get_compiler_options = nv30_screen_get_compiler_options;
642 
643    nv30_resource_screen_init(pscreen);
644    nouveau_screen_init_vdec(&screen->base);
645 
646    screen->base.fence.emit = nv30_screen_fence_emit;
647    screen->base.fence.update = nv30_screen_fence_update;
648 
649    ret = nouveau_screen_init(&screen->base, dev);
650    if (ret)
651       FAIL_SCREEN_INIT("nv30_screen_init failed: %d\n", ret);
652 
653    screen->base.vidmem_bindings |= PIPE_BIND_VERTEX_BUFFER;
654    screen->base.sysmem_bindings |= PIPE_BIND_VERTEX_BUFFER;
655    if (oclass == NV40_3D_CLASS) {
656       screen->base.vidmem_bindings |= PIPE_BIND_INDEX_BUFFER;
657       screen->base.sysmem_bindings |= PIPE_BIND_INDEX_BUFFER;
658    }
659 
660    screen->fs_compiler_options = nv30_base_compiler_options;
661    screen->fs_compiler_options.lower_fsat = false;
662    if (oclass >= NV40_3D_CLASS)
663       screen->fs_compiler_options.lower_fpow = false;
664 
665    fifo = screen->base.channel->data;
666    push = screen->base.pushbuf;
667    push->rsvd_kick = 16;
668 
669    ret = nouveau_object_new(screen->base.channel, 0x00000000, NV01_NULL_CLASS,
670                             NULL, 0, &screen->null);
671    if (ret)
672       FAIL_SCREEN_INIT("error allocating null object: %d\n", ret);
673 
674    /* DMA_FENCE refuses to accept DMA objects with "adjust" filled in,
675     * this means that the address pointed at by the DMA object must
676     * be 4KiB aligned, which means this object needs to be the first
677     * one allocated on the channel.
678     */
679    ret = nouveau_object_new(screen->base.channel, 0xbeef1e00,
680                             NOUVEAU_NOTIFIER_CLASS, &(struct nv04_notify) {
681                             .length = 32 }, sizeof(struct nv04_notify),
682                             &screen->fence);
683    if (ret)
684       FAIL_SCREEN_INIT("error allocating fence notifier: %d\n", ret);
685 
686    /* DMA_NOTIFY object, we don't actually use this but M2MF fails without */
687    ret = nouveau_object_new(screen->base.channel, 0xbeef0301,
688                             NOUVEAU_NOTIFIER_CLASS, &(struct nv04_notify) {
689                             .length = 32 }, sizeof(struct nv04_notify),
690                             &screen->ntfy);
691    if (ret)
692       FAIL_SCREEN_INIT("error allocating sync notifier: %d\n", ret);
693 
694    /* DMA_QUERY, used to implement occlusion queries, we attempt to allocate
695     * the remainder of the "notifier block" assigned by the kernel for
696     * use as query objects
697     */
698    ret = nouveau_object_new(screen->base.channel, 0xbeef0351,
699                             NOUVEAU_NOTIFIER_CLASS, &(struct nv04_notify) {
700                             .length = 4096 - 128 }, sizeof(struct nv04_notify),
701                             &screen->query);
702    if (ret)
703       FAIL_SCREEN_INIT("error allocating query notifier: %d\n", ret);
704 
705    ret = nouveau_heap_init(&screen->query_heap, 0, 4096 - 128);
706    if (ret)
707       FAIL_SCREEN_INIT("error creating query heap: %d\n", ret);
708 
709    list_inithead(&screen->queries);
710 
711    /* Vertex program resources (code/data), currently 6 of the constant
712     * slots are reserved to implement user clipping planes
713     */
714    if (oclass < NV40_3D_CLASS) {
715       nouveau_heap_init(&screen->vp_exec_heap, 0, 256);
716       nouveau_heap_init(&screen->vp_data_heap, 6, 256 - 6);
717    } else {
718       nouveau_heap_init(&screen->vp_exec_heap, 0, 512);
719       nouveau_heap_init(&screen->vp_data_heap, 6, 468 - 6);
720    }
721 
722    ret = nouveau_bo_wrap(screen->base.device, fifo->notify, &screen->notify);
723    if (ret == 0)
724       ret = BO_MAP(&screen->base, screen->notify, 0, screen->base.client);
725    if (ret)
726       FAIL_SCREEN_INIT("error mapping notifier memory: %d\n", ret);
727 
728    ret = nouveau_object_new(screen->base.channel, 0xbeef3097, oclass,
729                             NULL, 0, &screen->eng3d);
730    if (ret)
731       FAIL_SCREEN_INIT("error allocating 3d object: %d\n", ret);
732 
733    BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
734    PUSH_DATA (push, screen->eng3d->handle);
735    BEGIN_NV04(push, NV30_3D(DMA_NOTIFY), 13);
736    PUSH_DATA (push, screen->ntfy->handle);
737    PUSH_DATA (push, fifo->vram);     /* TEXTURE0 */
738    PUSH_DATA (push, fifo->gart);     /* TEXTURE1 */
739    PUSH_DATA (push, fifo->vram);     /* COLOR1 */
740    PUSH_DATA (push, screen->null->handle);  /* UNK190 */
741    PUSH_DATA (push, fifo->vram);     /* COLOR0 */
742    PUSH_DATA (push, fifo->vram);     /* ZETA */
743    PUSH_DATA (push, fifo->vram);     /* VTXBUF0 */
744    PUSH_DATA (push, fifo->gart);     /* VTXBUF1 */
745    PUSH_DATA (push, screen->fence->handle);  /* FENCE */
746    PUSH_DATA (push, screen->query->handle);  /* QUERY - intr 0x80 if nullobj */
747    PUSH_DATA (push, screen->null->handle);  /* UNK1AC */
748    PUSH_DATA (push, screen->null->handle);  /* UNK1B0 */
749    if (screen->eng3d->oclass < NV40_3D_CLASS) {
750       BEGIN_NV04(push, SUBC_3D(0x03b0), 1);
751       PUSH_DATA (push, 0x00100000);
752       BEGIN_NV04(push, SUBC_3D(0x1d80), 1);
753       PUSH_DATA (push, 3);
754 
755       BEGIN_NV04(push, SUBC_3D(0x1e98), 1);
756       PUSH_DATA (push, 0);
757       BEGIN_NV04(push, SUBC_3D(0x17e0), 3);
758       PUSH_DATA (push, fui(0.0));
759       PUSH_DATA (push, fui(0.0));
760       PUSH_DATA (push, fui(1.0));
761       BEGIN_NV04(push, SUBC_3D(0x1f80), 16);
762       for (i = 0; i < 16; i++)
763          PUSH_DATA (push, (i == 8) ? 0x0000ffff : 0);
764 
765       BEGIN_NV04(push, NV30_3D(RC_ENABLE), 1);
766       PUSH_DATA (push, 0);
767    } else {
768       BEGIN_NV04(push, NV40_3D(DMA_COLOR2), 2);
769       PUSH_DATA (push, fifo->vram);
770       PUSH_DATA (push, fifo->vram);  /* COLOR3 */
771 
772       BEGIN_NV04(push, SUBC_3D(0x1450), 1);
773       PUSH_DATA (push, 0x00000004);
774 
775       BEGIN_NV04(push, SUBC_3D(0x1ea4), 3); /* ZCULL */
776       PUSH_DATA (push, 0x00000010);
777       PUSH_DATA (push, 0x01000100);
778       PUSH_DATA (push, 0xff800006);
779 
780       /* vtxprog output routing */
781       BEGIN_NV04(push, SUBC_3D(0x1fc4), 1);
782       PUSH_DATA (push, 0x06144321);
783       BEGIN_NV04(push, SUBC_3D(0x1fc8), 2);
784       PUSH_DATA (push, 0xedcba987);
785       PUSH_DATA (push, 0x0000006f);
786       BEGIN_NV04(push, SUBC_3D(0x1fd0), 1);
787       PUSH_DATA (push, 0x00171615);
788       BEGIN_NV04(push, SUBC_3D(0x1fd4), 1);
789       PUSH_DATA (push, 0x001b1a19);
790 
791       BEGIN_NV04(push, SUBC_3D(0x1ef8), 1);
792       PUSH_DATA (push, 0x0020ffff);
793       BEGIN_NV04(push, SUBC_3D(0x1d64), 1);
794       PUSH_DATA (push, 0x01d300d4);
795 
796       BEGIN_NV04(push, NV40_3D(MIPMAP_ROUNDING), 1);
797       PUSH_DATA (push, NV40_3D_MIPMAP_ROUNDING_MODE_DOWN);
798    }
799 
800    ret = nouveau_object_new(screen->base.channel, 0xbeef3901, NV03_M2MF_CLASS,
801                             NULL, 0, &screen->m2mf);
802    if (ret)
803       FAIL_SCREEN_INIT("error allocating m2mf object: %d\n", ret);
804 
805    BEGIN_NV04(push, NV01_SUBC(M2MF, OBJECT), 1);
806    PUSH_DATA (push, screen->m2mf->handle);
807    BEGIN_NV04(push, NV03_M2MF(DMA_NOTIFY), 1);
808    PUSH_DATA (push, screen->ntfy->handle);
809 
810    ret = nouveau_object_new(screen->base.channel, 0xbeef6201,
811                             NV10_SURFACE_2D_CLASS, NULL, 0, &screen->surf2d);
812    if (ret)
813       FAIL_SCREEN_INIT("error allocating surf2d object: %d\n", ret);
814 
815    BEGIN_NV04(push, NV01_SUBC(SF2D, OBJECT), 1);
816    PUSH_DATA (push, screen->surf2d->handle);
817    BEGIN_NV04(push, NV04_SF2D(DMA_NOTIFY), 1);
818    PUSH_DATA (push, screen->ntfy->handle);
819 
820    if (dev->chipset < 0x40)
821       oclass = NV30_SURFACE_SWZ_CLASS;
822    else
823       oclass = NV40_SURFACE_SWZ_CLASS;
824 
825    ret = nouveau_object_new(screen->base.channel, 0xbeef5201, oclass,
826                             NULL, 0, &screen->swzsurf);
827    if (ret)
828       FAIL_SCREEN_INIT("error allocating swizzled surface object: %d\n", ret);
829 
830    BEGIN_NV04(push, NV01_SUBC(SSWZ, OBJECT), 1);
831    PUSH_DATA (push, screen->swzsurf->handle);
832    BEGIN_NV04(push, NV04_SSWZ(DMA_NOTIFY), 1);
833    PUSH_DATA (push, screen->ntfy->handle);
834 
835    if (dev->chipset < 0x40)
836       oclass = NV30_SIFM_CLASS;
837    else
838       oclass = NV40_SIFM_CLASS;
839 
840    ret = nouveau_object_new(screen->base.channel, 0xbeef7701, oclass,
841                             NULL, 0, &screen->sifm);
842    if (ret)
843       FAIL_SCREEN_INIT("error allocating scaled image object: %d\n", ret);
844 
845    BEGIN_NV04(push, NV01_SUBC(SIFM, OBJECT), 1);
846    PUSH_DATA (push, screen->sifm->handle);
847    BEGIN_NV04(push, NV03_SIFM(DMA_NOTIFY), 1);
848    PUSH_DATA (push, screen->ntfy->handle);
849    BEGIN_NV04(push, NV05_SIFM(COLOR_CONVERSION), 1);
850    PUSH_DATA (push, NV05_SIFM_COLOR_CONVERSION_TRUNCATE);
851    PUSH_KICK (push);
852 
853    return &screen->base;
854 }
855