2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
24 #include "util/u_format.h"
25 #include "util/u_format_s3tc.h"
26 #include "util/u_memory.h"
27 #include "os/os_time.h"
28 #include "vl/vl_decoder.h"
29 #include "vl/vl_video_buffer.h"
31 #include "r300_context.h"
32 #include "r300_texture.h"
33 #include "r300_screen_buffer.h"
34 #include "r300_state_inlines.h"
35 #include "r300_public.h"
37 #include "draw/draw_context.h"
39 /* Return the identifier behind whom the brave coders responsible for this
40 * amalgamation of code, sweat, and duct tape, routinely obscure their names.
42 * ...I should have just put "Corbin Simpson", but I'm not that cool.
44 * (Or egotistical. Yet.) */
45 static const char* r300_get_vendor(struct pipe_screen
* pscreen
)
47 return "X.Org R300 Project";
50 static const char* chip_families
[] = {
76 static const char* r300_get_name(struct pipe_screen
* pscreen
)
78 struct r300_screen
* r300screen
= r300_screen(pscreen
);
80 return chip_families
[r300screen
->caps
.family
];
83 static int r300_get_param(struct pipe_screen
* pscreen
, enum pipe_cap param
)
85 struct r300_screen
* r300screen
= r300_screen(pscreen
);
86 boolean is_r500
= r300screen
->caps
.is_r500
;
89 /* Supported features (boolean caps). */
90 case PIPE_CAP_NPOT_TEXTURES
:
91 case PIPE_CAP_TWO_SIDED_STENCIL
:
92 case PIPE_CAP_ANISOTROPIC_FILTER
:
93 case PIPE_CAP_POINT_SPRITE
:
94 case PIPE_CAP_OCCLUSION_QUERY
:
95 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
96 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
97 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
98 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
99 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
100 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
101 case PIPE_CAP_CONDITIONAL_RENDER
:
102 case PIPE_CAP_TEXTURE_BARRIER
:
103 case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS
:
104 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
107 /* r300 cannot do swizzling of compressed textures. Supported otherwise. */
108 case PIPE_CAP_TEXTURE_SWIZZLE
:
109 return util_format_s3tc_enabled
? r300screen
->caps
.dxtc_swizzle
: 1;
111 /* Supported on r500 only. */
112 case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL
:
113 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
115 return is_r500
? 1 : 0;
117 /* Unsupported features. */
118 case PIPE_CAP_TIMER_QUERY
:
119 case PIPE_CAP_DUAL_SOURCE_BLEND
:
120 case PIPE_CAP_INDEP_BLEND_ENABLE
:
121 case PIPE_CAP_INDEP_BLEND_FUNC
:
122 case PIPE_CAP_DEPTH_CLAMP
:
123 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
124 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
125 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
126 case PIPE_CAP_TGSI_INSTANCEID
:
127 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
128 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
129 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
130 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
131 case PIPE_CAP_SCALED_RESOLVE
:
132 case PIPE_CAP_MIN_TEXEL_OFFSET
:
133 case PIPE_CAP_MAX_TEXEL_OFFSET
:
134 case PIPE_CAP_STREAM_OUTPUT
:
137 /* SWTCL-only features. */
138 case PIPE_CAP_PRIMITIVE_RESTART
:
139 return !r300screen
->caps
.has_tcl
;
142 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
143 return r300screen
->caps
.num_tex_units
;
144 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
145 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
146 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
147 /* 13 == 4096, 12 == 2048 */
148 return is_r500
? 13 : 12;
150 /* Render targets. */
151 case PIPE_CAP_MAX_RENDER_TARGETS
:
157 static int r300_get_shader_param(struct pipe_screen
*pscreen
, unsigned shader
, enum pipe_shader_cap param
)
159 struct r300_screen
* r300screen
= r300_screen(pscreen
);
160 boolean is_r400
= r300screen
->caps
.is_r400
;
161 boolean is_r500
= r300screen
->caps
.is_r500
;
164 case PIPE_SHADER_FRAGMENT
:
167 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
168 return is_r500
|| is_r400
? 512 : 96;
169 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
170 return is_r500
|| is_r400
? 512 : 64;
171 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
172 return is_r500
|| is_r400
? 512 : 32;
173 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
174 return is_r500
? 511 : 4;
175 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
176 return is_r500
? 64 : 0; /* Actually unlimited on r500. */
177 /* Fragment shader limits. */
178 case PIPE_SHADER_CAP_MAX_INPUTS
:
179 /* 2 colors + 8 texcoords are always supported
180 * (minus fog and wpos).
182 * R500 has the ability to turn 3rd and 4th color into
183 * additional texcoords but there is no two-sided color
184 * selection then. However the facing bit can be used instead. */
186 case PIPE_SHADER_CAP_MAX_CONSTS
:
187 return is_r500
? 256 : 32;
188 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
190 case PIPE_SHADER_CAP_MAX_TEMPS
:
191 return is_r500
? 128 : is_r400
? 64 : 32;
192 case PIPE_SHADER_CAP_MAX_PREDS
:
193 return is_r500
? 1 : 0;
194 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
195 return r300screen
->caps
.num_tex_units
;
196 case PIPE_SHADER_CAP_MAX_ADDRS
:
197 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
198 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
199 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
200 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
201 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
202 case PIPE_SHADER_CAP_SUBROUTINES
:
203 case PIPE_SHADER_CAP_INTEGERS
:
204 case PIPE_SHADER_CAP_OUTPUT_READ
:
208 case PIPE_SHADER_VERTEX
:
211 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
216 if (!r300screen
->caps
.has_tcl
) {
217 return draw_get_shader_param(shader
, param
);
222 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
223 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
224 return is_r500
? 1024 : 256;
225 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
226 return is_r500
? 4 : 0; /* For loops; not sure about conditionals. */
227 case PIPE_SHADER_CAP_MAX_INPUTS
:
229 case PIPE_SHADER_CAP_MAX_CONSTS
:
231 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
233 case PIPE_SHADER_CAP_MAX_TEMPS
:
235 case PIPE_SHADER_CAP_MAX_ADDRS
:
236 return 1; /* XXX guessed */
237 case PIPE_SHADER_CAP_MAX_PREDS
:
238 return is_r500
? 4 : 0; /* XXX guessed. */
239 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
241 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
242 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
243 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
244 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
245 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
246 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
247 case PIPE_SHADER_CAP_SUBROUTINES
:
248 case PIPE_SHADER_CAP_INTEGERS
:
249 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
250 case PIPE_SHADER_CAP_OUTPUT_READ
:
258 static float r300_get_paramf(struct pipe_screen
* pscreen
,
259 enum pipe_capf param
)
261 struct r300_screen
* r300screen
= r300_screen(pscreen
);
264 case PIPE_CAPF_MAX_LINE_WIDTH
:
265 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
266 case PIPE_CAPF_MAX_POINT_WIDTH
:
267 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
268 /* The maximum dimensions of the colorbuffer are our practical
269 * rendering limits. 2048 pixels should be enough for anybody. */
270 if (r300screen
->caps
.is_r500
) {
272 } else if (r300screen
->caps
.is_r400
) {
277 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
279 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
281 case PIPE_CAPF_GUARD_BAND_LEFT
:
282 case PIPE_CAPF_GUARD_BAND_TOP
:
283 case PIPE_CAPF_GUARD_BAND_RIGHT
:
284 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
285 /* XXX I don't know what these should be but the least we can do is
286 * silence the potential error message */
289 debug_printf("r300: Warning: Unknown CAP %d in get_paramf.\n",
295 static int r300_get_video_param(struct pipe_screen
*screen
,
296 enum pipe_video_profile profile
,
297 enum pipe_video_cap param
)
300 case PIPE_VIDEO_CAP_SUPPORTED
:
301 return vl_profile_supported(screen
, profile
);
302 case PIPE_VIDEO_CAP_NPOT_TEXTURES
:
304 case PIPE_VIDEO_CAP_MAX_WIDTH
:
305 case PIPE_VIDEO_CAP_MAX_HEIGHT
:
306 return vl_video_buffer_max_size(screen
);
307 case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED
:
308 return vl_num_buffers_desired(screen
, profile
);
314 static boolean
r300_is_format_supported(struct pipe_screen
* screen
,
315 enum pipe_format format
,
316 enum pipe_texture_target target
,
317 unsigned sample_count
,
321 boolean drm_2_8_0
= r300_screen(screen
)->info
.drm_minor
>= 8;
322 boolean is_r500
= r300_screen(screen
)->caps
.is_r500
;
323 boolean is_r400
= r300_screen(screen
)->caps
.is_r400
;
324 boolean is_color2101010
= format
== PIPE_FORMAT_R10G10B10A2_UNORM
||
325 format
== PIPE_FORMAT_R10G10B10X2_SNORM
||
326 format
== PIPE_FORMAT_B10G10R10A2_UNORM
||
327 format
== PIPE_FORMAT_R10SG10SB10SA2U_NORM
;
328 boolean is_ati1n
= format
== PIPE_FORMAT_RGTC1_UNORM
||
329 format
== PIPE_FORMAT_RGTC1_SNORM
||
330 format
== PIPE_FORMAT_LATC1_UNORM
||
331 format
== PIPE_FORMAT_LATC1_SNORM
;
332 boolean is_ati2n
= format
== PIPE_FORMAT_RGTC2_UNORM
||
333 format
== PIPE_FORMAT_RGTC2_SNORM
||
334 format
== PIPE_FORMAT_LATC2_UNORM
||
335 format
== PIPE_FORMAT_LATC2_SNORM
;
336 boolean is_x16f_xy16f
= format
== PIPE_FORMAT_R16_FLOAT
||
337 format
== PIPE_FORMAT_R16G16_FLOAT
||
338 format
== PIPE_FORMAT_A16_FLOAT
||
339 format
== PIPE_FORMAT_L16_FLOAT
||
340 format
== PIPE_FORMAT_L16A16_FLOAT
||
341 format
== PIPE_FORMAT_I16_FLOAT
;
342 boolean is_half_float
= format
== PIPE_FORMAT_R16_FLOAT
||
343 format
== PIPE_FORMAT_R16G16_FLOAT
||
344 format
== PIPE_FORMAT_R16G16B16_FLOAT
||
345 format
== PIPE_FORMAT_R16G16B16A16_FLOAT
;
346 boolean is_fixed
= format
== PIPE_FORMAT_R32_FIXED
||
347 format
== PIPE_FORMAT_R32G32_FIXED
||
348 format
== PIPE_FORMAT_R32G32B32_FIXED
||
349 format
== PIPE_FORMAT_R32G32B32A32_FIXED
;
351 if (!util_format_is_supported(format
, usage
))
354 /* Check multisampling support. */
355 switch (sample_count
) {
365 if (usage
!= PIPE_BIND_RENDER_TARGET
||
366 !util_format_is_rgba8_variant(
367 util_format_description(format
))) {
376 /* Check sampler format support. */
377 if ((usage
& PIPE_BIND_SAMPLER_VIEW
) &&
378 /* ATI1N is r5xx-only. */
379 (is_r500
|| !is_ati1n
) &&
380 /* ATI2N is supported on r4xx-r5xx. */
381 (is_r400
|| is_r500
|| !is_ati2n
) &&
382 /* R16F and RG16F texture support was added in as late as DRM 2.8.0 */
383 (drm_2_8_0
|| !is_x16f_xy16f
) &&
384 r300_is_sampler_format_supported(format
)) {
385 retval
|= PIPE_BIND_SAMPLER_VIEW
;
388 /* Check colorbuffer format support. */
389 if ((usage
& (PIPE_BIND_RENDER_TARGET
|
390 PIPE_BIND_DISPLAY_TARGET
|
392 PIPE_BIND_SHARED
)) &&
393 /* 2101010 cannot be rendered to on non-r5xx. */
394 (!is_color2101010
|| (is_r500
&& drm_2_8_0
)) &&
395 r300_is_colorbuffer_format_supported(format
)) {
397 (PIPE_BIND_RENDER_TARGET
|
398 PIPE_BIND_DISPLAY_TARGET
|
403 /* Check depth-stencil format support. */
404 if (usage
& PIPE_BIND_DEPTH_STENCIL
&&
405 r300_is_zs_format_supported(format
)) {
406 retval
|= PIPE_BIND_DEPTH_STENCIL
;
409 /* Check vertex buffer format support. */
410 if (usage
& PIPE_BIND_VERTEX_BUFFER
&&
411 /* Half float is supported on >= R400. */
412 (is_r400
|| is_r500
|| !is_half_float
) &&
413 /* We have a fallback for FIXED. */
414 (is_fixed
|| r300_translate_vertex_data_type(format
) != R300_INVALID_FORMAT
)) {
415 retval
|= PIPE_BIND_VERTEX_BUFFER
;
418 /* Transfers are always supported. */
419 if (usage
& PIPE_BIND_TRANSFER_READ
)
420 retval
|= PIPE_BIND_TRANSFER_READ
;
421 if (usage
& PIPE_BIND_TRANSFER_WRITE
)
422 retval
|= PIPE_BIND_TRANSFER_WRITE
;
424 return retval
== usage
;
427 static void r300_destroy_screen(struct pipe_screen
* pscreen
)
429 struct r300_screen
* r300screen
= r300_screen(pscreen
);
430 struct radeon_winsys
*rws
= radeon_winsys(pscreen
);
432 util_slab_destroy(&r300screen
->pool_buffers
);
433 pipe_mutex_destroy(r300screen
->num_contexts_mutex
);
441 static void r300_fence_reference(struct pipe_screen
*screen
,
442 struct pipe_fence_handle
**ptr
,
443 struct pipe_fence_handle
*fence
)
445 pb_reference((struct pb_buffer
**)ptr
,
446 (struct pb_buffer
*)fence
);
449 static boolean
r300_fence_signalled(struct pipe_screen
*screen
,
450 struct pipe_fence_handle
*fence
)
452 struct radeon_winsys
*rws
= r300_screen(screen
)->rws
;
453 struct pb_buffer
*rfence
= (struct pb_buffer
*)fence
;
455 return !rws
->buffer_is_busy(rfence
, RADEON_USAGE_READWRITE
);
458 static boolean
r300_fence_finish(struct pipe_screen
*screen
,
459 struct pipe_fence_handle
*fence
,
462 struct radeon_winsys
*rws
= r300_screen(screen
)->rws
;
463 struct pb_buffer
*rfence
= (struct pb_buffer
*)fence
;
465 if (timeout
!= PIPE_TIMEOUT_INFINITE
) {
466 int64_t start_time
= os_time_get();
468 /* Convert to microseconds. */
471 /* Wait in a loop. */
472 while (rws
->buffer_is_busy(rfence
, RADEON_USAGE_READWRITE
)) {
473 if (os_time_get() - start_time
>= timeout
) {
481 rws
->buffer_wait(rfence
, RADEON_USAGE_READWRITE
);
485 struct pipe_screen
* r300_screen_create(struct radeon_winsys
*rws
)
487 struct r300_screen
*r300screen
= CALLOC_STRUCT(r300_screen
);
494 rws
->query_info(rws
, &r300screen
->info
);
496 r300_init_debug(r300screen
);
497 r300_parse_chipset(r300screen
->info
.pci_id
, &r300screen
->caps
);
499 if (SCREEN_DBG_ON(r300screen
, DBG_NO_ZMASK
))
500 r300screen
->caps
.zmask_ram
= 0;
501 if (SCREEN_DBG_ON(r300screen
, DBG_NO_HIZ
))
502 r300screen
->caps
.hiz_ram
= 0;
504 if (r300screen
->info
.drm_minor
< 8)
505 r300screen
->caps
.has_us_format
= FALSE
;
507 pipe_mutex_init(r300screen
->num_contexts_mutex
);
509 util_slab_create(&r300screen
->pool_buffers
,
510 sizeof(struct r300_resource
), 64,
511 UTIL_SLAB_SINGLETHREADED
);
513 r300screen
->rws
= rws
;
514 r300screen
->screen
.winsys
= (struct pipe_winsys
*)rws
;
515 r300screen
->screen
.destroy
= r300_destroy_screen
;
516 r300screen
->screen
.get_name
= r300_get_name
;
517 r300screen
->screen
.get_vendor
= r300_get_vendor
;
518 r300screen
->screen
.get_param
= r300_get_param
;
519 r300screen
->screen
.get_shader_param
= r300_get_shader_param
;
520 r300screen
->screen
.get_paramf
= r300_get_paramf
;
521 r300screen
->screen
.get_video_param
= r300_get_video_param
;
522 r300screen
->screen
.is_format_supported
= r300_is_format_supported
;
523 r300screen
->screen
.is_video_format_supported
= vl_video_buffer_is_format_supported
;
524 r300screen
->screen
.context_create
= r300_create_context
;
525 r300screen
->screen
.fence_reference
= r300_fence_reference
;
526 r300screen
->screen
.fence_signalled
= r300_fence_signalled
;
527 r300screen
->screen
.fence_finish
= r300_fence_finish
;
529 r300_init_screen_resource_functions(r300screen
);
531 util_format_s3tc_init();
533 return &r300screen
->screen
;