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_video_buffer.h"
30 #include "r300_context.h"
31 #include "r300_texture.h"
32 #include "r300_screen_buffer.h"
33 #include "r300_state_inlines.h"
34 #include "r300_public.h"
35 #include "r300_video_context.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
:
93 /* I'll be frank. This is a lie.
95 * We don't truly support GLSL on any of this driver's chipsets.
96 * To be fair, no chipset supports the full GLSL specification
97 * to the best of our knowledge, but some of the less esoteric
98 * features are still missing here.
100 * Rather than cripple ourselves intentionally, I'm going to set
101 * this flag, and as Gallium's interface continues to change, I
102 * hope that this single monolithic GLSL enable can slowly get
103 * split down into many different pieces and the state tracker
104 * will handle fallbacks transparently, like it should.
108 case PIPE_CAP_ANISOTROPIC_FILTER
:
109 case PIPE_CAP_POINT_SPRITE
:
110 case PIPE_CAP_OCCLUSION_QUERY
:
111 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
112 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
113 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
114 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
115 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
116 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
117 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
120 /* r300 cannot do swizzling of compressed textures. Supported otherwise. */
121 case PIPE_CAP_TEXTURE_SWIZZLE
:
122 return util_format_s3tc_enabled
? r300screen
->caps
.dxtc_swizzle
: 1;
124 /* Supported on r500 only. */
125 case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL
:
126 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
128 return is_r500
? 1 : 0;
130 /* Unsupported features. */
131 case PIPE_CAP_TIMER_QUERY
:
132 case PIPE_CAP_DUAL_SOURCE_BLEND
:
133 case PIPE_CAP_INDEP_BLEND_ENABLE
:
134 case PIPE_CAP_INDEP_BLEND_FUNC
:
135 case PIPE_CAP_DEPTH_CLAMP
:
136 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
137 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
138 case PIPE_CAP_ARRAY_TEXTURES
:
139 case PIPE_CAP_TGSI_INSTANCEID
:
140 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
141 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
142 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
143 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
144 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
147 /* SWTCL-only features. */
148 case PIPE_CAP_STREAM_OUTPUT
:
149 case PIPE_CAP_PRIMITIVE_RESTART
:
150 return !r300screen
->caps
.has_tcl
;
153 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
154 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
155 return r300screen
->caps
.num_tex_units
;
156 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
157 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
158 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
159 /* 13 == 4096, 12 == 2048 */
160 return is_r500
? 13 : 12;
162 /* Render targets. */
163 case PIPE_CAP_MAX_RENDER_TARGETS
:
167 debug_printf("r300: Warning: Unknown CAP %d in get_param.\n",
173 static int r300_get_shader_param(struct pipe_screen
*pscreen
, unsigned shader
, enum pipe_shader_cap param
)
175 struct r300_screen
* r300screen
= r300_screen(pscreen
);
176 boolean is_r400
= r300screen
->caps
.is_r400
;
177 boolean is_r500
= r300screen
->caps
.is_r500
;
181 case PIPE_SHADER_FRAGMENT
:
184 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
185 return is_r500
|| is_r400
? 512 : 96;
186 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
187 return is_r500
|| is_r400
? 512 : 64;
188 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
189 return is_r500
|| is_r400
? 512 : 32;
190 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
191 return is_r500
? 511 : 4;
192 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
193 return is_r500
? 64 : 0; /* Actually unlimited on r500. */
194 /* Fragment shader limits. */
195 case PIPE_SHADER_CAP_MAX_INPUTS
:
196 /* 2 colors + 8 texcoords are always supported
197 * (minus fog and wpos).
199 * R500 has the ability to turn 3rd and 4th color into
200 * additional texcoords but there is no two-sided color
201 * selection then. However the facing bit can be used instead. */
203 case PIPE_SHADER_CAP_MAX_CONSTS
:
204 return is_r500
? 256 : 32;
205 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
207 case PIPE_SHADER_CAP_MAX_TEMPS
:
208 return is_r500
? 128 : is_r400
? 64 : 32;
209 case PIPE_SHADER_CAP_MAX_ADDRS
:
211 case PIPE_SHADER_CAP_MAX_PREDS
:
212 return is_r500
? 1 : 0;
213 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
215 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
216 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
217 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
218 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
220 case PIPE_SHADER_CAP_SUBROUTINES
:
224 case PIPE_SHADER_VERTEX
:
225 if (!r300screen
->caps
.has_tcl
) {
226 return draw_get_shader_param(shader
, param
);
231 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
232 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
233 return is_r500
? 1024 : 256;
234 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
235 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
237 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
238 return is_r500
? 4 : 0; /* For loops; not sure about conditionals. */
239 case PIPE_SHADER_CAP_MAX_INPUTS
:
241 case PIPE_SHADER_CAP_MAX_CONSTS
:
243 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
245 case PIPE_SHADER_CAP_MAX_TEMPS
:
247 case PIPE_SHADER_CAP_MAX_ADDRS
:
248 return 1; /* XXX guessed */
249 case PIPE_SHADER_CAP_MAX_PREDS
:
250 return is_r500
? 4 : 0; /* XXX guessed. */
251 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
253 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
254 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
255 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
257 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
259 case PIPE_SHADER_CAP_SUBROUTINES
:
271 static float r300_get_paramf(struct pipe_screen
* pscreen
, enum pipe_cap param
)
273 struct r300_screen
* r300screen
= r300_screen(pscreen
);
276 case PIPE_CAP_MAX_LINE_WIDTH
:
277 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
278 case PIPE_CAP_MAX_POINT_WIDTH
:
279 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
280 /* The maximum dimensions of the colorbuffer are our practical
281 * rendering limits. 2048 pixels should be enough for anybody. */
282 if (r300screen
->caps
.is_r500
) {
284 } else if (r300screen
->caps
.is_r400
) {
289 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
291 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
293 case PIPE_CAP_GUARD_BAND_LEFT
:
294 case PIPE_CAP_GUARD_BAND_TOP
:
295 case PIPE_CAP_GUARD_BAND_RIGHT
:
296 case PIPE_CAP_GUARD_BAND_BOTTOM
:
297 /* XXX I don't know what these should be but the least we can do is
298 * silence the potential error message */
301 debug_printf("r300: Warning: Unknown CAP %d in get_paramf.\n",
307 static int r300_get_video_param(struct pipe_screen
*screen
,
308 enum pipe_video_profile profile
,
309 enum pipe_video_cap param
)
312 case PIPE_VIDEO_CAP_NPOT_TEXTURES
:
319 static boolean
r300_is_format_supported(struct pipe_screen
* screen
,
320 enum pipe_format format
,
321 enum pipe_texture_target target
,
322 unsigned sample_count
,
325 struct radeon_winsys
*rws
= r300_screen(screen
)->rws
;
327 boolean drm_2_8_0
= rws
->get_value(rws
, RADEON_VID_DRM_2_8_0
);
328 boolean is_r500
= r300_screen(screen
)->caps
.is_r500
;
329 boolean is_r400
= r300_screen(screen
)->caps
.is_r400
;
330 boolean is_color2101010
= format
== PIPE_FORMAT_R10G10B10A2_UNORM
||
331 format
== PIPE_FORMAT_R10G10B10X2_SNORM
||
332 format
== PIPE_FORMAT_B10G10R10A2_UNORM
||
333 format
== PIPE_FORMAT_R10SG10SB10SA2U_NORM
;
334 boolean is_ati1n
= format
== PIPE_FORMAT_RGTC1_UNORM
||
335 format
== PIPE_FORMAT_RGTC1_SNORM
||
336 format
== PIPE_FORMAT_LATC1_UNORM
||
337 format
== PIPE_FORMAT_LATC1_SNORM
;
338 boolean is_ati2n
= format
== PIPE_FORMAT_RGTC2_UNORM
||
339 format
== PIPE_FORMAT_RGTC2_SNORM
||
340 format
== PIPE_FORMAT_LATC2_UNORM
||
341 format
== PIPE_FORMAT_LATC2_SNORM
;
342 boolean is_x16f_xy16f
= format
== PIPE_FORMAT_R16_FLOAT
||
343 format
== PIPE_FORMAT_R16G16_FLOAT
||
344 format
== PIPE_FORMAT_A16_FLOAT
||
345 format
== PIPE_FORMAT_L16_FLOAT
||
346 format
== PIPE_FORMAT_L16A16_FLOAT
||
347 format
== PIPE_FORMAT_I16_FLOAT
;
348 boolean is_half_float
= format
== PIPE_FORMAT_R16_FLOAT
||
349 format
== PIPE_FORMAT_R16G16_FLOAT
||
350 format
== PIPE_FORMAT_R16G16B16_FLOAT
||
351 format
== PIPE_FORMAT_R16G16B16A16_FLOAT
;
353 if (!util_format_is_supported(format
, usage
))
356 /* Check multisampling support. */
357 switch (sample_count
) {
367 if (usage
!= PIPE_BIND_RENDER_TARGET
||
368 !util_format_is_rgba8_variant(
369 util_format_description(format
))) {
378 /* Check sampler format support. */
379 if ((usage
& PIPE_BIND_SAMPLER_VIEW
) &&
380 /* ATI1N is r5xx-only. */
381 (is_r500
|| !is_ati1n
) &&
382 /* ATI2N is supported on r4xx-r5xx. */
383 (is_r400
|| is_r500
|| !is_ati2n
) &&
384 /* R16F and RG16F texture support was added in as late as DRM 2.8.0 */
385 (drm_2_8_0
|| !is_x16f_xy16f
) &&
386 r300_is_sampler_format_supported(format
)) {
387 retval
|= PIPE_BIND_SAMPLER_VIEW
;
390 /* Check colorbuffer format support. */
391 if ((usage
& (PIPE_BIND_RENDER_TARGET
|
392 PIPE_BIND_DISPLAY_TARGET
|
394 PIPE_BIND_SHARED
)) &&
395 /* 2101010 cannot be rendered to on non-r5xx. */
396 (!is_color2101010
|| (is_r500
&& drm_2_8_0
)) &&
397 r300_is_colorbuffer_format_supported(format
)) {
399 (PIPE_BIND_RENDER_TARGET
|
400 PIPE_BIND_DISPLAY_TARGET
|
405 /* Check depth-stencil format support. */
406 if (usage
& PIPE_BIND_DEPTH_STENCIL
&&
407 r300_is_zs_format_supported(format
)) {
408 retval
|= PIPE_BIND_DEPTH_STENCIL
;
411 /* Check vertex buffer format support. */
412 if (usage
& PIPE_BIND_VERTEX_BUFFER
&&
413 /* Half float is supported on >= RV350. */
414 (is_r400
|| is_r500
|| !is_half_float
) &&
415 r300_translate_vertex_data_type(format
) != R300_INVALID_FORMAT
) {
416 retval
|= PIPE_BIND_VERTEX_BUFFER
;
419 /* Transfers are always supported. */
420 if (usage
& PIPE_BIND_TRANSFER_READ
)
421 retval
|= PIPE_BIND_TRANSFER_READ
;
422 if (usage
& PIPE_BIND_TRANSFER_WRITE
)
423 retval
|= PIPE_BIND_TRANSFER_WRITE
;
425 return retval
== usage
;
428 static void r300_destroy_screen(struct pipe_screen
* pscreen
)
430 struct r300_screen
* r300screen
= r300_screen(pscreen
);
431 struct radeon_winsys
*rws
= radeon_winsys(pscreen
);
433 util_slab_destroy(&r300screen
->pool_buffers
);
434 pipe_mutex_destroy(r300screen
->num_contexts_mutex
);
442 static void r300_fence_reference(struct pipe_screen
*screen
,
443 struct pipe_fence_handle
**ptr
,
444 struct pipe_fence_handle
*fence
)
446 pb_reference((struct pb_buffer
**)ptr
,
447 (struct pb_buffer
*)fence
);
450 static boolean
r300_fence_signalled(struct pipe_screen
*screen
,
451 struct pipe_fence_handle
*fence
)
453 struct radeon_winsys
*rws
= r300_screen(screen
)->rws
;
454 struct pb_buffer
*rfence
= (struct pb_buffer
*)fence
;
456 return !rws
->buffer_is_busy(rfence
);
459 static boolean
r300_fence_finish(struct pipe_screen
*screen
,
460 struct pipe_fence_handle
*fence
,
463 struct radeon_winsys
*rws
= r300_screen(screen
)->rws
;
464 struct pb_buffer
*rfence
= (struct pb_buffer
*)fence
;
466 if (timeout
!= PIPE_TIMEOUT_INFINITE
) {
467 int64_t start_time
= os_time_get();
469 /* Convert to microseconds. */
472 /* Wait in a loop. */
473 while (rws
->buffer_is_busy(rfence
)) {
474 if (os_time_get() - start_time
>= timeout
) {
482 rws
->buffer_wait(rfence
);
486 struct pipe_screen
* r300_screen_create(struct radeon_winsys
*rws
)
488 struct r300_screen
*r300screen
= CALLOC_STRUCT(r300_screen
);
495 r300screen
->caps
.pci_id
= rws
->get_value(rws
, RADEON_VID_PCI_ID
);
496 r300screen
->caps
.num_frag_pipes
= rws
->get_value(rws
, RADEON_VID_R300_GB_PIPES
);
497 r300screen
->caps
.num_z_pipes
= rws
->get_value(rws
, RADEON_VID_R300_Z_PIPES
);
499 r300_init_debug(r300screen
);
500 r300_parse_chipset(&r300screen
->caps
);
502 if (SCREEN_DBG_ON(r300screen
, DBG_NO_ZMASK
))
503 r300screen
->caps
.zmask_ram
= 0;
504 if (SCREEN_DBG_ON(r300screen
, DBG_NO_HIZ
))
505 r300screen
->caps
.hiz_ram
= 0;
507 if (!rws
->get_value(rws
, RADEON_VID_DRM_2_8_0
))
508 r300screen
->caps
.has_us_format
= FALSE
;
510 pipe_mutex_init(r300screen
->num_contexts_mutex
);
512 util_slab_create(&r300screen
->pool_buffers
,
513 sizeof(struct r300_resource
), 64,
514 UTIL_SLAB_SINGLETHREADED
);
516 r300screen
->rws
= rws
;
517 r300screen
->screen
.winsys
= (struct pipe_winsys
*)rws
;
518 r300screen
->screen
.destroy
= r300_destroy_screen
;
519 r300screen
->screen
.get_name
= r300_get_name
;
520 r300screen
->screen
.get_vendor
= r300_get_vendor
;
521 r300screen
->screen
.get_param
= r300_get_param
;
522 r300screen
->screen
.get_shader_param
= r300_get_shader_param
;
523 r300screen
->screen
.get_paramf
= r300_get_paramf
;
524 r300screen
->screen
.get_video_param
= r300_get_video_param
;
525 r300screen
->screen
.is_format_supported
= r300_is_format_supported
;
526 r300screen
->screen
.is_video_format_supported
= vl_video_buffer_is_format_supported
;
527 r300screen
->screen
.context_create
= r300_create_context
;
528 r300screen
->screen
.video_context_create
= r300_video_create
;
529 r300screen
->screen
.fence_reference
= r300_fence_reference
;
530 r300screen
->screen
.fence_signalled
= r300_fence_signalled
;
531 r300screen
->screen
.fence_finish
= r300_fence_finish
;
533 r300_init_screen_resource_functions(r300screen
);
535 util_format_s3tc_init();
537 return &r300screen
->screen
;