1 #include "pipe/p_screen.h"
2 #include "pipe/p_state.h"
3 #include "util/u_format_s3tc.h"
4 #include "util/u_simple_screen.h"
6 #include "nouveau/nouveau_screen.h"
8 #include "nvfx_context.h"
9 #include "nvfx_screen.h"
10 #include "nvfx_resource.h"
12 #define NV30TCL_CHIPSET_3X_MASK 0x00000003
13 #define NV34TCL_CHIPSET_3X_MASK 0x00000010
14 #define NV35TCL_CHIPSET_3X_MASK 0x000001e0
16 /* FIXME: It seems I should not include directly ../../winsys/drm/nouveau/drm/nouveau_drm_api.h
17 * to get the pointer to the context front buffer, so I copied nouveau_winsys here.
18 * nv30_screen_surface_format_supported() can then use it to enforce creating fbo
19 * with same number of bits everywhere.
21 struct nouveau_winsys
{
22 struct pipe_winsys base
;
24 struct pipe_screen
*pscreen
;
26 struct pipe_surface
*front
;
28 #define NV4X_GRCLASS4097_CHIPSETS 0x00000baf
29 #define NV4X_GRCLASS4497_CHIPSETS 0x00005450
30 #define NV6X_GRCLASS4497_CHIPSETS 0x00000088
33 nvfx_screen_get_param(struct pipe_screen
*pscreen
, enum pipe_cap param
)
35 struct nvfx_screen
*screen
= nvfx_screen(pscreen
);
38 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
39 /* TODO: check this */
40 return screen
->is_nv4x
? 16 : 8;
41 case PIPE_CAP_NPOT_TEXTURES
:
42 return !!screen
->is_nv4x
;
43 case PIPE_CAP_TWO_SIDED_STENCIL
:
47 case PIPE_CAP_ANISOTROPIC_FILTER
:
49 case PIPE_CAP_POINT_SPRITE
:
51 case PIPE_CAP_MAX_RENDER_TARGETS
:
52 return screen
->is_nv4x
? 4 : 2;
53 case PIPE_CAP_OCCLUSION_QUERY
:
55 case PIPE_CAP_TIMER_QUERY
:
57 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
59 case PIPE_CAP_TEXTURE_SWIZZLE
:
61 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
63 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
65 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
67 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
68 return !!screen
->is_nv4x
;
69 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
71 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
72 return 0; /* We have 4 on nv40 - but unsupported currently */
73 case PIPE_CAP_TGSI_CONT_SUPPORTED
:
75 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
76 return !!screen
->is_nv4x
;
77 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
79 case PIPE_CAP_INDEP_BLEND_ENABLE
:
80 /* TODO: on nv40 we have separate color masks */
81 /* TODO: nv40 mrt blending is probably broken */
83 case PIPE_CAP_INDEP_BLEND_FUNC
:
85 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
87 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
88 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
90 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
91 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
93 case PIPE_CAP_MAX_FS_INSTRUCTIONS
:
94 case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS
:
95 case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS
:
96 case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS
:
98 case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH
:
99 /* FIXME: is it the dynamic (nv30:0/nv40:24) or the static
100 value (nv30:0/nv40:4) ? */
101 return screen
->is_nv4x
? 4 : 0;
102 case PIPE_CAP_MAX_FS_INPUTS
:
104 case PIPE_CAP_MAX_FS_CONSTS
:
105 return screen
->is_nv4x
? 224 : 32;
106 case PIPE_CAP_MAX_FS_TEMPS
:
108 case PIPE_CAP_MAX_FS_ADDRS
:
109 return screen
->is_nv4x
? 1 : 0;
110 case PIPE_CAP_MAX_FS_PREDS
:
111 return screen
->is_nv4x
? 1 : 0;
112 case PIPE_CAP_MAX_VS_INSTRUCTIONS
:
113 case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS
:
114 return screen
->is_nv4x
? 512 : 256;
115 case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS
:
116 case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS
:
117 return screen
->is_nv4x
? 512 : 0;
118 case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH
:
119 /* FIXME: is it the dynamic (nv30:24/nv40:24) or the static
120 value (nv30:1/nv40:4) ? */
121 return screen
->is_nv4x
? 4 : 1;
122 case PIPE_CAP_MAX_VS_INPUTS
:
124 case PIPE_CAP_MAX_VS_CONSTS
:
126 case PIPE_CAP_MAX_VS_TEMPS
:
127 return screen
->is_nv4x
? 32 : 13;
128 case PIPE_CAP_MAX_VS_ADDRS
:
130 case PIPE_CAP_MAX_VS_PREDS
:
131 return screen
->is_nv4x
? 1 : 0;
132 case PIPE_CAP_GEOMETRY_SHADER4
:
134 case PIPE_CAP_DEPTH_CLAMP
:
135 return 0; // TODO: implement depth clamp
137 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param
);
143 nvfx_screen_get_paramf(struct pipe_screen
*pscreen
, enum pipe_cap param
)
145 struct nvfx_screen
*screen
= nvfx_screen(pscreen
);
148 case PIPE_CAP_MAX_LINE_WIDTH
:
149 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
151 case PIPE_CAP_MAX_POINT_WIDTH
:
152 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
154 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
155 return screen
->is_nv4x
? 16.0 : 8.0;
156 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
157 return screen
->is_nv4x
? 16.0 : 4.0;
159 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param
);
165 nvfx_screen_surface_format_supported(struct pipe_screen
*pscreen
,
166 enum pipe_format format
,
167 enum pipe_texture_target target
,
168 unsigned sample_count
,
169 unsigned tex_usage
, unsigned geom_flags
)
171 struct nvfx_screen
*screen
= nvfx_screen(pscreen
);
172 struct pipe_surface
*front
= ((struct nouveau_winsys
*) pscreen
->winsys
)->front
;
174 if (sample_count
> 1)
177 if (tex_usage
& PIPE_BIND_RENDER_TARGET
) {
179 case PIPE_FORMAT_B8G8R8A8_UNORM
:
180 case PIPE_FORMAT_B8G8R8X8_UNORM
:
181 case PIPE_FORMAT_B5G6R5_UNORM
:
187 if (tex_usage
& PIPE_BIND_DEPTH_STENCIL
) {
189 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
190 case PIPE_FORMAT_X8Z24_UNORM
:
192 case PIPE_FORMAT_Z16_UNORM
:
193 /* TODO: this nv30 limitation probably does not exist */
194 if (!screen
->is_nv4x
&& front
)
195 return (front
->format
== PIPE_FORMAT_B5G6R5_UNORM
);
201 if (tex_usage
& PIPE_BIND_SAMPLER_VIEW
) {
203 case PIPE_FORMAT_DXT1_RGB
:
204 case PIPE_FORMAT_DXT1_RGBA
:
205 case PIPE_FORMAT_DXT3_RGBA
:
206 case PIPE_FORMAT_DXT5_RGBA
:
207 return util_format_s3tc_enabled
;
213 case PIPE_FORMAT_B8G8R8A8_UNORM
:
214 case PIPE_FORMAT_B8G8R8X8_UNORM
:
215 case PIPE_FORMAT_B5G5R5A1_UNORM
:
216 case PIPE_FORMAT_B4G4R4A4_UNORM
:
217 case PIPE_FORMAT_B5G6R5_UNORM
:
218 case PIPE_FORMAT_L8_UNORM
:
219 case PIPE_FORMAT_A8_UNORM
:
220 case PIPE_FORMAT_I8_UNORM
:
221 case PIPE_FORMAT_L8A8_UNORM
:
222 case PIPE_FORMAT_Z16_UNORM
:
223 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
225 /* TODO: does nv30 support this? */
226 case PIPE_FORMAT_R16_SNORM
:
227 return !!screen
->is_nv4x
;
237 nvfx_screen_destroy(struct pipe_screen
*pscreen
)
239 struct nvfx_screen
*screen
= nvfx_screen(pscreen
);
241 nouveau_resource_destroy(&screen
->vp_exec_heap
);
242 nouveau_resource_destroy(&screen
->vp_data_heap
);
243 nouveau_resource_destroy(&screen
->query_heap
);
244 nouveau_notifier_free(&screen
->query
);
245 nouveau_notifier_free(&screen
->sync
);
246 nouveau_grobj_free(&screen
->eng3d
);
247 nvfx_screen_surface_takedown(pscreen
);
249 nouveau_screen_fini(&screen
->base
);
254 static void nv30_screen_init(struct nvfx_screen
*screen
)
256 struct nouveau_channel
*chan
= screen
->base
.channel
;
259 /* TODO: perhaps we should do some of this on nv40 too? */
260 for (i
=1; i
<8; i
++) {
261 OUT_RING(chan
, RING_3D(NV34TCL_VIEWPORT_CLIP_HORIZ(i
), 1));
263 OUT_RING(chan
, RING_3D(NV34TCL_VIEWPORT_CLIP_VERT(i
), 1));
267 OUT_RING(chan
, RING_3D(0x220, 1));
270 OUT_RING(chan
, RING_3D(0x03b0, 1));
271 OUT_RING(chan
, 0x00100000);
272 OUT_RING(chan
, RING_3D(0x1454, 1));
274 OUT_RING(chan
, RING_3D(0x1d80, 1));
276 OUT_RING(chan
, RING_3D(0x1450, 1));
277 OUT_RING(chan
, 0x00030004);
280 OUT_RING(chan
, RING_3D(0x1e98, 1));
282 OUT_RING(chan
, RING_3D(0x17e0, 3));
283 OUT_RING(chan
, fui(0.0));
284 OUT_RING(chan
, fui(0.0));
285 OUT_RING(chan
, fui(1.0));
286 OUT_RING(chan
, RING_3D(0x1f80, 16));
287 for (i
=0; i
<16; i
++) {
288 OUT_RING(chan
, (i
==8) ? 0x0000ffff : 0);
291 OUT_RING(chan
, RING_3D(0x120, 3));
296 OUT_RING(chan
, RING_3D(0x1d88, 1));
297 OUT_RING(chan
, 0x00001200);
299 OUT_RING(chan
, RING_3D(NV34TCL_RC_ENABLE
, 1));
302 OUT_RING(chan
, RING_3D(NV34TCL_DEPTH_RANGE_NEAR
, 2));
303 OUT_RING(chan
, fui(0.0));
304 OUT_RING(chan
, fui(1.0));
306 OUT_RING(chan
, RING_3D(NV34TCL_MULTISAMPLE_CONTROL
, 1));
307 OUT_RING(chan
, 0xffff0000);
309 /* enables use of vp rather than fixed-function somehow */
310 OUT_RING(chan
, RING_3D(0x1e94, 1));
311 OUT_RING(chan
, 0x13);
314 static void nv40_screen_init(struct nvfx_screen
*screen
)
316 struct nouveau_channel
*chan
= screen
->base
.channel
;
318 OUT_RING(chan
, RING_3D(NV40TCL_DMA_COLOR2
, 2));
319 OUT_RING(chan
, screen
->base
.channel
->vram
->handle
);
320 OUT_RING(chan
, screen
->base
.channel
->vram
->handle
);
322 OUT_RING(chan
, RING_3D(0x1ea4, 3));
323 OUT_RING(chan
, 0x00000010);
324 OUT_RING(chan
, 0x01000100);
325 OUT_RING(chan
, 0xff800006);
327 /* vtxprog output routing */
328 OUT_RING(chan
, RING_3D(0x1fc4, 1));
329 OUT_RING(chan
, 0x06144321);
330 OUT_RING(chan
, RING_3D(0x1fc8, 2));
331 OUT_RING(chan
, 0xedcba987);
332 OUT_RING(chan
, 0x00000021);
333 OUT_RING(chan
, RING_3D(0x1fd0, 1));
334 OUT_RING(chan
, 0x00171615);
335 OUT_RING(chan
, RING_3D(0x1fd4, 1));
336 OUT_RING(chan
, 0x001b1a19);
338 OUT_RING(chan
, RING_3D(0x1ef8, 1));
339 OUT_RING(chan
, 0x0020ffff);
340 OUT_RING(chan
, RING_3D(0x1d64, 1));
341 OUT_RING(chan
, 0x00d30000);
342 OUT_RING(chan
, RING_3D(0x1e94, 1));
343 OUT_RING(chan
, 0x00000001);
347 nvfx_screen_get_vertex_buffer_flags(struct nvfx_screen
* screen
)
349 int vram_hack_default
= 0;
351 // TODO: this is a bit of a guess; also add other cards that may need this hack.
352 // It may also depend on the specific card or the AGP/PCIe chipset.
353 if(screen
->base
.device
->chipset
== 0x47 /* G70 */
354 || screen
->base
.device
->chipset
== 0x49 /* G71 */
355 || screen
->base
.device
->chipset
== 0x46 /* G72 */
357 vram_hack_default
= 1;
358 vram_hack
= debug_get_bool_option("NOUVEAU_VTXIDX_IN_VRAM", vram_hack_default
);
363 fprintf(stderr
, "Some systems may experience graphics corruption due to randomly misplaced vertices.\n"
364 "If this is happening, export NOUVEAU_VTXIDX_IN_VRAM=1 may reduce or eliminate the problem\n");
368 fprintf(stderr
, "A performance reducing hack is being used to help avoid graphics corruption.\n"
369 "You can try export NOUVEAU_VTXIDX_IN_VRAM=0 to disable it.\n");
373 return vram_hack
? NOUVEAU_BO_VRAM
: NOUVEAU_BO_GART
;
377 nvfx_screen_create(struct pipe_winsys
*ws
, struct nouveau_device
*dev
)
379 static const unsigned query_sizes
[] = {(4096 - 4 * 32) / 32, 3 * 1024 / 32, 2 * 1024 / 32, 1024 / 32};
380 struct nvfx_screen
*screen
= CALLOC_STRUCT(nvfx_screen
);
381 struct nouveau_channel
*chan
;
382 struct pipe_screen
*pscreen
;
383 unsigned eng3d_class
= 0;
389 pscreen
= &screen
->base
.base
;
391 ret
= nouveau_screen_init(&screen
->base
, dev
);
393 nvfx_screen_destroy(pscreen
);
396 chan
= screen
->base
.channel
;
398 pscreen
->winsys
= ws
;
399 pscreen
->destroy
= nvfx_screen_destroy
;
400 pscreen
->get_param
= nvfx_screen_get_param
;
401 pscreen
->get_paramf
= nvfx_screen_get_paramf
;
402 pscreen
->is_format_supported
= nvfx_screen_surface_format_supported
;
403 pscreen
->context_create
= nvfx_create
;
405 switch (dev
->chipset
& 0xf0) {
407 if (NV30TCL_CHIPSET_3X_MASK
& (1 << (dev
->chipset
& 0x0f)))
408 eng3d_class
= 0x0397;
409 else if (NV34TCL_CHIPSET_3X_MASK
& (1 << (dev
->chipset
& 0x0f)))
410 eng3d_class
= 0x0697;
411 else if (NV35TCL_CHIPSET_3X_MASK
& (1 << (dev
->chipset
& 0x0f)))
412 eng3d_class
= 0x0497;
415 if (NV4X_GRCLASS4097_CHIPSETS
& (1 << (dev
->chipset
& 0x0f)))
416 eng3d_class
= NV40TCL
;
417 else if (NV4X_GRCLASS4497_CHIPSETS
& (1 << (dev
->chipset
& 0x0f)))
418 eng3d_class
= NV44TCL
;
419 screen
->is_nv4x
= ~0;
422 if (NV6X_GRCLASS4497_CHIPSETS
& (1 << (dev
->chipset
& 0x0f)))
423 eng3d_class
= NV44TCL
;
424 screen
->is_nv4x
= ~0;
429 NOUVEAU_ERR("Unknown nv3x/nv4x chipset: nv%02x\n", dev
->chipset
);
433 screen
->force_swtnl
= debug_get_bool_option("NOUVEAU_SWTNL", FALSE
);
435 screen
->vertex_buffer_reloc_flags
= nvfx_screen_get_vertex_buffer_flags(screen
);
437 /* surely both nv3x and nv44 support index buffers too: find out how and test that */
438 if(eng3d_class
== NV40TCL
)
439 screen
->index_buffer_reloc_flags
= screen
->vertex_buffer_reloc_flags
;
441 if(!screen
->force_swtnl
&& screen
->vertex_buffer_reloc_flags
== screen
->index_buffer_reloc_flags
)
442 screen
->base
.vertex_buffer_flags
= screen
->base
.index_buffer_flags
= screen
->vertex_buffer_reloc_flags
;
444 nvfx_screen_init_resource_functions(pscreen
);
446 ret
= nouveau_grobj_alloc(chan
, 0xbeef3097, eng3d_class
, &screen
->eng3d
);
448 NOUVEAU_ERR("Error creating 3D object: %d\n", ret
);
452 /* 2D engine setup */
453 nvfx_screen_surface_init(pscreen
);
455 /* Notifier for sync purposes */
456 ret
= nouveau_notifier_alloc(chan
, 0xbeef0301, 1, &screen
->sync
);
458 NOUVEAU_ERR("Error creating notifier object: %d\n", ret
);
459 nvfx_screen_destroy(pscreen
);
464 for(i
= 0; i
< sizeof(query_sizes
) / sizeof(query_sizes
[0]); ++i
)
466 ret
= nouveau_notifier_alloc(chan
, 0xbeef0302, query_sizes
[i
], &screen
->query
);
472 NOUVEAU_ERR("Error initialising query objects: %d\n", ret
);
473 nvfx_screen_destroy(pscreen
);
477 ret
= nouveau_resource_init(&screen
->query_heap
, 0, query_sizes
[i
]);
479 NOUVEAU_ERR("Error initialising query object heap: %d\n", ret
);
480 nvfx_screen_destroy(pscreen
);
484 LIST_INITHEAD(&screen
->query_list
);
486 /* Vtxprog resources */
487 if (nouveau_resource_init(&screen
->vp_exec_heap
, 0, screen
->is_nv4x
? 512 : 256) ||
488 nouveau_resource_init(&screen
->vp_data_heap
, 0, 256)) {
489 nvfx_screen_destroy(pscreen
);
493 BIND_RING(chan
, screen
->eng3d
, 7);
495 /* Static eng3d initialisation */
496 /* note that we just started using the channel, so we must have space in the pushbuffer */
497 OUT_RING(chan
, RING_3D(NV34TCL_DMA_NOTIFY
, 1));
498 OUT_RING(chan
, screen
->sync
->handle
);
499 OUT_RING(chan
, RING_3D(NV34TCL_DMA_TEXTURE0
, 2));
500 OUT_RING(chan
, chan
->vram
->handle
);
501 OUT_RING(chan
, chan
->gart
->handle
);
502 OUT_RING(chan
, RING_3D(NV34TCL_DMA_COLOR1
, 1));
503 OUT_RING(chan
, chan
->vram
->handle
);
504 OUT_RING(chan
, RING_3D(NV34TCL_DMA_COLOR0
, 2));
505 OUT_RING(chan
, chan
->vram
->handle
);
506 OUT_RING(chan
, chan
->vram
->handle
);
507 OUT_RING(chan
, RING_3D(NV34TCL_DMA_VTXBUF0
, 2));
508 OUT_RING(chan
, chan
->vram
->handle
);
509 OUT_RING(chan
, chan
->gart
->handle
);
511 OUT_RING(chan
, RING_3D(NV34TCL_DMA_FENCE
, 2));
513 OUT_RING(chan
, screen
->query
->handle
);
515 OUT_RING(chan
, RING_3D(NV34TCL_DMA_IN_MEMORY7
, 2));
516 OUT_RING(chan
, chan
->vram
->handle
);
517 OUT_RING(chan
, chan
->vram
->handle
);
520 nv30_screen_init(screen
);
522 nv40_screen_init(screen
);