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* r300_get_device_vendor(struct pipe_screen
* pscreen
)
55 static const char* chip_families
[] = {
82 static const char* r300_get_name(struct pipe_screen
* pscreen
)
84 struct r300_screen
* r300screen
= r300_screen(pscreen
);
86 return chip_families
[r300screen
->caps
.family
];
89 static int r300_get_param(struct pipe_screen
* pscreen
, enum pipe_cap param
)
91 struct r300_screen
* r300screen
= r300_screen(pscreen
);
92 boolean is_r500
= r300screen
->caps
.is_r500
;
95 /* Supported features (boolean caps). */
96 case PIPE_CAP_NPOT_TEXTURES
:
97 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
98 case PIPE_CAP_TWO_SIDED_STENCIL
:
99 case PIPE_CAP_ANISOTROPIC_FILTER
:
100 case PIPE_CAP_POINT_SPRITE
:
101 case PIPE_CAP_OCCLUSION_QUERY
:
102 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
103 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
104 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
105 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
106 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
107 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
108 case PIPE_CAP_CONDITIONAL_RENDER
:
109 case PIPE_CAP_TEXTURE_BARRIER
:
110 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
111 case PIPE_CAP_USER_INDEX_BUFFERS
:
112 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
113 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
114 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
115 case PIPE_CAP_CLIP_HALFZ
:
118 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
119 return R300_BUFFER_ALIGNMENT
;
121 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
124 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
127 /* r300 cannot do swizzling of compressed textures. Supported otherwise. */
128 case PIPE_CAP_TEXTURE_SWIZZLE
:
129 return util_format_s3tc_enabled
? r300screen
->caps
.dxtc_swizzle
: 1;
131 /* We don't support color clamping on r500, so that we can use color
132 * intepolators for generic varyings. */
133 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
136 /* Supported on r500 only. */
137 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
138 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
140 return is_r500
? 1 : 0;
142 /* Unsupported features. */
143 case PIPE_CAP_QUERY_TIME_ELAPSED
:
144 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
145 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
146 case PIPE_CAP_INDEP_BLEND_ENABLE
:
147 case PIPE_CAP_INDEP_BLEND_FUNC
:
148 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
149 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
150 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
151 case PIPE_CAP_TGSI_INSTANCEID
:
152 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
153 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
154 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
155 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
156 case PIPE_CAP_MIN_TEXEL_OFFSET
:
157 case PIPE_CAP_MAX_TEXEL_OFFSET
:
158 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
159 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
160 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
161 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
162 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
163 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
164 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
165 case PIPE_CAP_MAX_VERTEX_STREAMS
:
166 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
167 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
168 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
169 case PIPE_CAP_COMPUTE
:
170 case PIPE_CAP_START_INSTANCE
:
171 case PIPE_CAP_QUERY_TIMESTAMP
:
172 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
173 case PIPE_CAP_CUBE_MAP_ARRAY
:
174 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
175 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
176 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
177 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
178 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
179 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
180 case PIPE_CAP_TEXTURE_GATHER_SM5
:
181 case PIPE_CAP_TEXTURE_QUERY_LOD
:
182 case PIPE_CAP_FAKE_SW_MSAA
:
183 case PIPE_CAP_SAMPLE_SHADING
:
184 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
185 case PIPE_CAP_DRAW_INDIRECT
:
186 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
187 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
188 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
189 case PIPE_CAP_VERTEXID_NOBASE
:
190 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
191 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
192 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
193 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
194 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
195 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
196 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
197 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
200 /* SWTCL-only features. */
201 case PIPE_CAP_PRIMITIVE_RESTART
:
202 case PIPE_CAP_USER_VERTEX_BUFFERS
:
203 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
204 return !r300screen
->caps
.has_tcl
;
206 /* HWTCL-only features / limitations. */
207 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
208 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
209 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
210 return r300screen
->caps
.has_tcl
;
211 case PIPE_CAP_TGSI_TEXCOORD
:
215 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
216 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
217 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
218 /* 13 == 4096, 12 == 2048 */
219 return is_r500
? 13 : 12;
221 /* Render targets. */
222 case PIPE_CAP_MAX_RENDER_TARGETS
:
224 case PIPE_CAP_ENDIANNESS
:
225 return PIPE_ENDIAN_LITTLE
;
227 case PIPE_CAP_MAX_VIEWPORTS
:
230 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
233 case PIPE_CAP_VENDOR_ID
:
235 case PIPE_CAP_DEVICE_ID
:
236 return r300screen
->info
.pci_id
;
237 case PIPE_CAP_ACCELERATED
:
239 case PIPE_CAP_VIDEO_MEMORY
:
240 return r300screen
->info
.vram_size
>> 20;
247 static int r300_get_shader_param(struct pipe_screen
*pscreen
, unsigned shader
, enum pipe_shader_cap param
)
249 struct r300_screen
* r300screen
= r300_screen(pscreen
);
250 boolean is_r400
= r300screen
->caps
.is_r400
;
251 boolean is_r500
= r300screen
->caps
.is_r500
;
254 case PIPE_SHADER_FRAGMENT
:
257 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
258 return is_r500
|| is_r400
? 512 : 96;
259 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
260 return is_r500
|| is_r400
? 512 : 64;
261 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
262 return is_r500
|| is_r400
? 512 : 32;
263 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
264 return is_r500
? 511 : 4;
265 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
266 return is_r500
? 64 : 0; /* Actually unlimited on r500. */
267 /* Fragment shader limits. */
268 case PIPE_SHADER_CAP_MAX_INPUTS
:
269 /* 2 colors + 8 texcoords are always supported
270 * (minus fog and wpos).
272 * R500 has the ability to turn 3rd and 4th color into
273 * additional texcoords but there is no two-sided color
274 * selection then. However the facing bit can be used instead. */
276 case PIPE_SHADER_CAP_MAX_OUTPUTS
:
278 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
279 return (is_r500
? 256 : 32) * sizeof(float[4]);
280 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
281 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE
:
283 case PIPE_SHADER_CAP_MAX_TEMPS
:
284 return is_r500
? 128 : is_r400
? 64 : 32;
285 case PIPE_SHADER_CAP_MAX_PREDS
:
286 return 0; /* unused */
287 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
288 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
289 return r300screen
->caps
.num_tex_units
;
290 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
291 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED
:
292 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
293 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
294 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
295 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
296 case PIPE_SHADER_CAP_SUBROUTINES
:
297 case PIPE_SHADER_CAP_INTEGERS
:
298 case PIPE_SHADER_CAP_DOUBLES
:
299 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED
:
300 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED
:
301 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED
:
303 case PIPE_SHADER_CAP_PREFERRED_IR
:
304 return PIPE_SHADER_IR_TGSI
;
307 case PIPE_SHADER_VERTEX
:
310 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
311 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
312 case PIPE_SHADER_CAP_SUBROUTINES
:
317 if (!r300screen
->caps
.has_tcl
) {
318 return draw_get_shader_param(shader
, param
);
323 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
324 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
325 return is_r500
? 1024 : 256;
326 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
327 return is_r500
? 4 : 0; /* For loops; not sure about conditionals. */
328 case PIPE_SHADER_CAP_MAX_INPUTS
:
330 case PIPE_SHADER_CAP_MAX_OUTPUTS
:
332 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
333 return 256 * sizeof(float[4]);
334 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
336 case PIPE_SHADER_CAP_MAX_TEMPS
:
338 case PIPE_SHADER_CAP_MAX_PREDS
:
339 return 0; /* unused */
340 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
341 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE
:
343 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
344 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
345 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
346 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED
:
347 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
348 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
349 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
350 case PIPE_SHADER_CAP_SUBROUTINES
:
351 case PIPE_SHADER_CAP_INTEGERS
:
352 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
353 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
354 case PIPE_SHADER_CAP_DOUBLES
:
355 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED
:
356 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED
:
357 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED
:
359 case PIPE_SHADER_CAP_PREFERRED_IR
:
360 return PIPE_SHADER_IR_TGSI
;
367 static float r300_get_paramf(struct pipe_screen
* pscreen
,
368 enum pipe_capf param
)
370 struct r300_screen
* r300screen
= r300_screen(pscreen
);
373 case PIPE_CAPF_MAX_LINE_WIDTH
:
374 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
375 case PIPE_CAPF_MAX_POINT_WIDTH
:
376 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
377 /* The maximum dimensions of the colorbuffer are our practical
378 * rendering limits. 2048 pixels should be enough for anybody. */
379 if (r300screen
->caps
.is_r500
) {
381 } else if (r300screen
->caps
.is_r400
) {
386 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
388 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
390 case PIPE_CAPF_GUARD_BAND_LEFT
:
391 case PIPE_CAPF_GUARD_BAND_TOP
:
392 case PIPE_CAPF_GUARD_BAND_RIGHT
:
393 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
396 debug_printf("r300: Warning: Unknown CAP %d in get_paramf.\n",
402 static int r300_get_video_param(struct pipe_screen
*screen
,
403 enum pipe_video_profile profile
,
404 enum pipe_video_entrypoint entrypoint
,
405 enum pipe_video_cap param
)
408 case PIPE_VIDEO_CAP_SUPPORTED
:
409 return vl_profile_supported(screen
, profile
, entrypoint
);
410 case PIPE_VIDEO_CAP_NPOT_TEXTURES
:
412 case PIPE_VIDEO_CAP_MAX_WIDTH
:
413 case PIPE_VIDEO_CAP_MAX_HEIGHT
:
414 return vl_video_buffer_max_size(screen
);
415 case PIPE_VIDEO_CAP_PREFERED_FORMAT
:
416 return PIPE_FORMAT_NV12
;
417 case PIPE_VIDEO_CAP_PREFERS_INTERLACED
:
419 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED
:
421 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE
:
423 case PIPE_VIDEO_CAP_MAX_LEVEL
:
424 return vl_level_supported(screen
, profile
);
431 * Whether the format matches:
432 * PIPE_FORMAT_?10?10?10?2_UNORM
434 static inline boolean
435 util_format_is_rgba1010102_variant(const struct util_format_description
*desc
)
437 static const unsigned size
[4] = {10, 10, 10, 2};
440 if (desc
->block
.width
!= 1 ||
441 desc
->block
.height
!= 1 ||
442 desc
->block
.bits
!= 32)
445 for (chan
= 0; chan
< 4; ++chan
) {
446 if(desc
->channel
[chan
].type
!= UTIL_FORMAT_TYPE_UNSIGNED
&&
447 desc
->channel
[chan
].type
!= UTIL_FORMAT_TYPE_VOID
)
449 if (desc
->channel
[chan
].size
!= size
[chan
])
456 static bool r300_is_blending_supported(struct r300_screen
*rscreen
,
457 enum pipe_format format
)
460 const struct util_format_description
*desc
=
461 util_format_description(format
);
463 if (desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
466 c
= util_format_get_first_non_void_channel(format
);
469 if (rscreen
->caps
.is_r500
&&
470 desc
->nr_channels
== 4 &&
471 desc
->channel
[c
].size
== 16 &&
472 desc
->channel
[c
].type
== UTIL_FORMAT_TYPE_FLOAT
)
475 if (desc
->channel
[c
].normalized
&&
476 desc
->channel
[c
].type
== UTIL_FORMAT_TYPE_UNSIGNED
&&
477 desc
->channel
[c
].size
>= 4 &&
478 desc
->channel
[c
].size
<= 10) {
479 /* RGB10_A2, RGBA8, RGB5_A1, RGBA4, RGB565 */
480 if (desc
->nr_channels
>= 3)
483 if (format
== PIPE_FORMAT_R8G8_UNORM
)
487 if (desc
->nr_channels
== 1)
494 static boolean
r300_is_format_supported(struct pipe_screen
* screen
,
495 enum pipe_format format
,
496 enum pipe_texture_target target
,
497 unsigned sample_count
,
501 boolean drm_2_8_0
= r300_screen(screen
)->info
.drm_minor
>= 8;
502 boolean is_r500
= r300_screen(screen
)->caps
.is_r500
;
503 boolean is_r400
= r300_screen(screen
)->caps
.is_r400
;
504 boolean is_color2101010
= format
== PIPE_FORMAT_R10G10B10A2_UNORM
||
505 format
== PIPE_FORMAT_R10G10B10X2_SNORM
||
506 format
== PIPE_FORMAT_B10G10R10A2_UNORM
||
507 format
== PIPE_FORMAT_B10G10R10X2_UNORM
||
508 format
== PIPE_FORMAT_R10SG10SB10SA2U_NORM
;
509 boolean is_ati1n
= format
== PIPE_FORMAT_RGTC1_UNORM
||
510 format
== PIPE_FORMAT_RGTC1_SNORM
||
511 format
== PIPE_FORMAT_LATC1_UNORM
||
512 format
== PIPE_FORMAT_LATC1_SNORM
;
513 boolean is_ati2n
= format
== PIPE_FORMAT_RGTC2_UNORM
||
514 format
== PIPE_FORMAT_RGTC2_SNORM
||
515 format
== PIPE_FORMAT_LATC2_UNORM
||
516 format
== PIPE_FORMAT_LATC2_SNORM
;
517 boolean is_x16f_xy16f
= format
== PIPE_FORMAT_R16_FLOAT
||
518 format
== PIPE_FORMAT_R16G16_FLOAT
||
519 format
== PIPE_FORMAT_A16_FLOAT
||
520 format
== PIPE_FORMAT_L16_FLOAT
||
521 format
== PIPE_FORMAT_L16A16_FLOAT
||
522 format
== PIPE_FORMAT_R16A16_FLOAT
||
523 format
== PIPE_FORMAT_I16_FLOAT
;
524 boolean is_half_float
= format
== PIPE_FORMAT_R16_FLOAT
||
525 format
== PIPE_FORMAT_R16G16_FLOAT
||
526 format
== PIPE_FORMAT_R16G16B16_FLOAT
||
527 format
== PIPE_FORMAT_R16G16B16A16_FLOAT
||
528 format
== PIPE_FORMAT_R16G16B16X16_FLOAT
;
529 const struct util_format_description
*desc
;
531 if (!util_format_is_supported(format
, usage
))
534 /* Check multisampling support. */
535 switch (sample_count
) {
542 /* We need DRM 2.8.0. */
546 /* No texturing and scanout. */
547 if (usage
& (PIPE_BIND_SAMPLER_VIEW
|
548 PIPE_BIND_DISPLAY_TARGET
|
549 PIPE_BIND_SCANOUT
)) {
553 desc
= util_format_description(format
);
556 /* Only allow depth/stencil, RGBA8, RGBA1010102, RGBA16F. */
557 if (!util_format_is_depth_or_stencil(format
) &&
558 !util_format_is_rgba8_variant(desc
) &&
559 !util_format_is_rgba1010102_variant(desc
) &&
560 format
!= PIPE_FORMAT_R16G16B16A16_FLOAT
&&
561 format
!= PIPE_FORMAT_R16G16B16X16_FLOAT
) {
565 /* Only allow depth/stencil, RGBA8. */
566 if (!util_format_is_depth_or_stencil(format
) &&
567 !util_format_is_rgba8_variant(desc
)) {
576 /* Check sampler format support. */
577 if ((usage
& PIPE_BIND_SAMPLER_VIEW
) &&
578 /* these two are broken for an unknown reason */
579 format
!= PIPE_FORMAT_R8G8B8X8_SNORM
&&
580 format
!= PIPE_FORMAT_R16G16B16X16_SNORM
&&
581 /* ATI1N is r5xx-only. */
582 (is_r500
|| !is_ati1n
) &&
583 /* ATI2N is supported on r4xx-r5xx. */
584 (is_r400
|| is_r500
|| !is_ati2n
) &&
585 /* R16F and RG16F texture support was added in as late as DRM 2.8.0 */
586 (drm_2_8_0
|| !is_x16f_xy16f
) &&
587 r300_is_sampler_format_supported(format
)) {
588 retval
|= PIPE_BIND_SAMPLER_VIEW
;
591 /* Check colorbuffer format support. */
592 if ((usage
& (PIPE_BIND_RENDER_TARGET
|
593 PIPE_BIND_DISPLAY_TARGET
|
596 PIPE_BIND_BLENDABLE
)) &&
597 /* 2101010 cannot be rendered to on non-r5xx. */
598 (!is_color2101010
|| (is_r500
&& drm_2_8_0
)) &&
599 r300_is_colorbuffer_format_supported(format
)) {
601 (PIPE_BIND_RENDER_TARGET
|
602 PIPE_BIND_DISPLAY_TARGET
|
606 if (r300_is_blending_supported(r300_screen(screen
), format
)) {
607 retval
|= usage
& PIPE_BIND_BLENDABLE
;
611 /* Check depth-stencil format support. */
612 if (usage
& PIPE_BIND_DEPTH_STENCIL
&&
613 r300_is_zs_format_supported(format
)) {
614 retval
|= PIPE_BIND_DEPTH_STENCIL
;
617 /* Check vertex buffer format support. */
618 if (usage
& PIPE_BIND_VERTEX_BUFFER
) {
619 if (r300_screen(screen
)->caps
.has_tcl
) {
620 /* Half float is supported on >= R400. */
621 if ((is_r400
|| is_r500
|| !is_half_float
) &&
622 r300_translate_vertex_data_type(format
) != R300_INVALID_FORMAT
) {
623 retval
|= PIPE_BIND_VERTEX_BUFFER
;
627 if (!util_format_is_pure_integer(format
)) {
628 retval
|= PIPE_BIND_VERTEX_BUFFER
;
633 /* Transfers are always supported. */
634 if (usage
& PIPE_BIND_TRANSFER_READ
)
635 retval
|= PIPE_BIND_TRANSFER_READ
;
636 if (usage
& PIPE_BIND_TRANSFER_WRITE
)
637 retval
|= PIPE_BIND_TRANSFER_WRITE
;
639 return retval
== usage
;
642 static void r300_destroy_screen(struct pipe_screen
* pscreen
)
644 struct r300_screen
* r300screen
= r300_screen(pscreen
);
645 struct radeon_winsys
*rws
= radeon_winsys(pscreen
);
647 if (rws
&& !rws
->unref(rws
))
650 pipe_mutex_destroy(r300screen
->cmask_mutex
);
658 static void r300_fence_reference(struct pipe_screen
*screen
,
659 struct pipe_fence_handle
**ptr
,
660 struct pipe_fence_handle
*fence
)
662 struct radeon_winsys
*rws
= r300_screen(screen
)->rws
;
664 rws
->fence_reference(ptr
, fence
);
667 static boolean
r300_fence_finish(struct pipe_screen
*screen
,
668 struct pipe_fence_handle
*fence
,
671 struct radeon_winsys
*rws
= r300_screen(screen
)->rws
;
673 return rws
->fence_wait(rws
, fence
, timeout
);
676 struct pipe_screen
* r300_screen_create(struct radeon_winsys
*rws
)
678 struct r300_screen
*r300screen
= CALLOC_STRUCT(r300_screen
);
685 rws
->query_info(rws
, &r300screen
->info
);
687 r300_init_debug(r300screen
);
688 r300_parse_chipset(r300screen
->info
.pci_id
, &r300screen
->caps
);
690 if (SCREEN_DBG_ON(r300screen
, DBG_NO_ZMASK
))
691 r300screen
->caps
.zmask_ram
= 0;
692 if (SCREEN_DBG_ON(r300screen
, DBG_NO_HIZ
))
693 r300screen
->caps
.hiz_ram
= 0;
695 if (r300screen
->info
.drm_minor
< 8)
696 r300screen
->caps
.has_us_format
= FALSE
;
698 r300screen
->rws
= rws
;
699 r300screen
->screen
.destroy
= r300_destroy_screen
;
700 r300screen
->screen
.get_name
= r300_get_name
;
701 r300screen
->screen
.get_vendor
= r300_get_vendor
;
702 r300screen
->screen
.get_device_vendor
= r300_get_device_vendor
;
703 r300screen
->screen
.get_param
= r300_get_param
;
704 r300screen
->screen
.get_shader_param
= r300_get_shader_param
;
705 r300screen
->screen
.get_paramf
= r300_get_paramf
;
706 r300screen
->screen
.get_video_param
= r300_get_video_param
;
707 r300screen
->screen
.is_format_supported
= r300_is_format_supported
;
708 r300screen
->screen
.is_video_format_supported
= vl_video_buffer_is_format_supported
;
709 r300screen
->screen
.context_create
= r300_create_context
;
710 r300screen
->screen
.fence_reference
= r300_fence_reference
;
711 r300screen
->screen
.fence_finish
= r300_fence_finish
;
713 r300_init_screen_resource_functions(r300screen
);
715 util_format_s3tc_init();
716 pipe_mutex_init(r300screen
->cmask_mutex
);
718 return &r300screen
->screen
;