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"
28 #include "r300_context.h"
29 #include "r300_texture.h"
30 #include "r300_screen_buffer.h"
31 #include "r300_state_inlines.h"
32 #include "r300_winsys.h"
33 #include "r300_public.h"
35 #include "draw/draw_context.h"
37 /* Return the identifier behind whom the brave coders responsible for this
38 * amalgamation of code, sweat, and duct tape, routinely obscure their names.
40 * ...I should have just put "Corbin Simpson", but I'm not that cool.
42 * (Or egotistical. Yet.) */
43 static const char* r300_get_vendor(struct pipe_screen
* pscreen
)
45 return "X.Org R300 Project";
48 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_r400
= r300screen
->caps
.is_r400
;
87 boolean is_r500
= r300screen
->caps
.is_r500
;
89 /* XXX extended shader capabilities of r400 unimplemented */
93 /* Supported features (boolean caps). */
94 case PIPE_CAP_NPOT_TEXTURES
:
95 case PIPE_CAP_TWO_SIDED_STENCIL
:
97 /* I'll be frank. This is a lie.
99 * We don't truly support GLSL on any of this driver's chipsets.
100 * To be fair, no chipset supports the full GLSL specification
101 * to the best of our knowledge, but some of the less esoteric
102 * features are still missing here.
104 * Rather than cripple ourselves intentionally, I'm going to set
105 * this flag, and as Gallium's interface continues to change, I
106 * hope that this single monolithic GLSL enable can slowly get
107 * split down into many different pieces and the state tracker
108 * will handle fallbacks transparently, like it should.
112 case PIPE_CAP_ANISOTROPIC_FILTER
:
113 case PIPE_CAP_POINT_SPRITE
:
114 case PIPE_CAP_OCCLUSION_QUERY
:
115 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
116 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
117 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
118 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
119 case PIPE_CAP_TEXTURE_SWIZZLE
:
122 /* Unsupported features (boolean caps). */
123 case PIPE_CAP_TIMER_QUERY
:
124 case PIPE_CAP_DUAL_SOURCE_BLEND
:
125 case PIPE_CAP_INDEP_BLEND_ENABLE
:
126 case PIPE_CAP_INDEP_BLEND_FUNC
:
127 case PIPE_CAP_DEPTH_CLAMP
: /* XXX implemented, but breaks Regnum Online */
128 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
129 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
130 case PIPE_CAP_STREAM_OUTPUT
:
131 case PIPE_CAP_PRIMITIVE_RESTART
:
135 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
136 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
137 return r300screen
->caps
.num_tex_units
;
138 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
140 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
141 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
142 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
143 /* 13 == 4096, 12 == 2048 */
144 return is_r500
? 13 : 12;
146 /* Render targets. */
147 case PIPE_CAP_MAX_RENDER_TARGETS
:
150 /* General shader limits and features. */
152 return is_r500
? 1 : 0;
153 /* Fragment coordinate conventions. */
154 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
155 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
157 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
158 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
161 debug_printf("r300: Warning: Unknown CAP %d in get_param.\n",
167 static int r300_get_shader_param(struct pipe_screen
*pscreen
, unsigned shader
, enum pipe_shader_cap param
)
169 struct r300_screen
* r300screen
= r300_screen(pscreen
);
170 boolean is_r400
= r300screen
->caps
.is_r400
;
171 boolean is_r500
= r300screen
->caps
.is_r500
;
173 /* XXX extended shader capabilities of r400 unimplemented */
178 case PIPE_SHADER_FRAGMENT
:
181 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
182 return is_r500
|| is_r400
? 512 : 96;
183 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
184 return is_r500
|| is_r400
? 512 : 64;
185 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
186 return is_r500
|| is_r400
? 512 : 32;
187 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
188 return is_r500
? 511 : 4;
189 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
190 return is_r500
? 64 : 0; /* Actually unlimited on r500. */
191 /* Fragment shader limits. */
192 case PIPE_SHADER_CAP_MAX_INPUTS
:
193 /* 2 colors + 8 texcoords are always supported
194 * (minus fog and wpos).
196 * R500 has the ability to turn 3rd and 4th color into
197 * additional texcoords but there is no two-sided color
198 * selection then. However the facing bit can be used instead. */
200 case PIPE_SHADER_CAP_MAX_CONSTS
:
201 return is_r500
? 256 : 32;
202 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
204 case PIPE_SHADER_CAP_MAX_TEMPS
:
205 return is_r500
? 128 : is_r400
? 64 : 32;
206 case PIPE_SHADER_CAP_MAX_ADDRS
:
208 case PIPE_SHADER_CAP_MAX_PREDS
:
209 return is_r500
? 1 : 0;
210 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
212 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
213 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
214 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
215 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
219 case PIPE_SHADER_VERTEX
:
220 if (!r300screen
->caps
.has_tcl
) {
221 return draw_get_shader_param(shader
, param
);
226 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
227 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
228 return is_r500
? 1024 : 256;
229 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
230 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
232 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
233 return is_r500
? 4 : 0; /* For loops; not sure about conditionals. */
234 case PIPE_SHADER_CAP_MAX_INPUTS
:
236 case PIPE_SHADER_CAP_MAX_CONSTS
:
238 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
240 case PIPE_SHADER_CAP_MAX_TEMPS
:
242 case PIPE_SHADER_CAP_MAX_ADDRS
:
243 return 1; /* XXX guessed */
244 case PIPE_SHADER_CAP_MAX_PREDS
:
245 return is_r500
? 4 : 0; /* XXX guessed. */
246 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
248 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
249 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
250 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
252 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
264 static float r300_get_paramf(struct pipe_screen
* pscreen
, enum pipe_cap param
)
266 struct r300_screen
* r300screen
= r300_screen(pscreen
);
269 case PIPE_CAP_MAX_LINE_WIDTH
:
270 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
271 case PIPE_CAP_MAX_POINT_WIDTH
:
272 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
273 /* The maximum dimensions of the colorbuffer are our practical
274 * rendering limits. 2048 pixels should be enough for anybody. */
275 if (r300screen
->caps
.is_r500
) {
277 } else if (r300screen
->caps
.is_r400
) {
282 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
284 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
287 debug_printf("r300: Warning: Unknown CAP %d in get_paramf.\n",
293 static boolean
r300_is_format_supported(struct pipe_screen
* screen
,
294 enum pipe_format format
,
295 enum pipe_texture_target target
,
296 unsigned sample_count
,
301 boolean is_r500
= r300_screen(screen
)->caps
.is_r500
;
302 boolean is_r400
= r300_screen(screen
)->caps
.is_r400
;
303 boolean is_color2101010
= format
== PIPE_FORMAT_R10G10B10A2_UNORM
||
304 format
== PIPE_FORMAT_R10G10B10X2_SNORM
||
305 format
== PIPE_FORMAT_B10G10R10A2_UNORM
||
306 format
== PIPE_FORMAT_R10SG10SB10SA2U_NORM
;
307 boolean is_ati1n
= format
== PIPE_FORMAT_RGTC1_UNORM
||
308 format
== PIPE_FORMAT_RGTC1_SNORM
;
309 boolean is_ati2n
= format
== PIPE_FORMAT_RGTC2_UNORM
||
310 format
== PIPE_FORMAT_RGTC2_SNORM
;
311 boolean is_half_float
= format
== PIPE_FORMAT_R16_FLOAT
||
312 format
== PIPE_FORMAT_R16G16_FLOAT
||
313 format
== PIPE_FORMAT_R16G16B16_FLOAT
||
314 format
== PIPE_FORMAT_R16G16B16A16_FLOAT
;
316 /* Check multisampling support. */
317 switch (sample_count
) {
327 if (usage
!= PIPE_BIND_RENDER_TARGET
||
328 !util_format_is_rgba8_variant(
329 util_format_description(format
))) {
338 /* Check sampler format support. */
339 if ((usage
& PIPE_BIND_SAMPLER_VIEW
) &&
340 /* ATI1N is r5xx-only. */
341 (is_r500
|| !is_ati1n
) &&
342 /* ATI2N is supported on r4xx-r5xx. */
343 (is_r400
|| is_r500
|| !is_ati2n
) &&
344 r300_is_sampler_format_supported(format
)) {
345 retval
|= PIPE_BIND_SAMPLER_VIEW
;
348 /* Check colorbuffer format support. */
349 if ((usage
& (PIPE_BIND_RENDER_TARGET
|
350 PIPE_BIND_DISPLAY_TARGET
|
352 PIPE_BIND_SHARED
)) &&
353 /* 2101010 cannot be rendered to on non-r5xx. */
354 (is_r500
|| !is_color2101010
) &&
355 r300_is_colorbuffer_format_supported(format
)) {
357 (PIPE_BIND_RENDER_TARGET
|
358 PIPE_BIND_DISPLAY_TARGET
|
363 /* Check depth-stencil format support. */
364 if (usage
& PIPE_BIND_DEPTH_STENCIL
&&
365 r300_is_zs_format_supported(format
)) {
366 retval
|= PIPE_BIND_DEPTH_STENCIL
;
369 /* Check vertex buffer format support. */
370 if (usage
& PIPE_BIND_VERTEX_BUFFER
&&
371 /* Half float is supported on >= RV350. */
372 (is_r400
|| is_r500
|| !is_half_float
) &&
373 r300_translate_vertex_data_type(format
) != R300_INVALID_FORMAT
) {
374 retval
|= PIPE_BIND_VERTEX_BUFFER
;
377 /* Transfers are always supported. */
378 if (usage
& PIPE_BIND_TRANSFER_READ
)
379 retval
|= PIPE_BIND_TRANSFER_READ
;
380 if (usage
& PIPE_BIND_TRANSFER_WRITE
)
381 retval
|= PIPE_BIND_TRANSFER_WRITE
;
383 return retval
== usage
;
386 static void r300_destroy_screen(struct pipe_screen
* pscreen
)
388 struct r300_screen
* r300screen
= r300_screen(pscreen
);
389 struct r300_winsys_screen
*rws
= r300_winsys_screen(pscreen
);
391 util_mempool_destroy(&r300screen
->pool_buffers
);
399 static void r300_fence_reference(struct pipe_screen
*screen
,
400 struct pipe_fence_handle
**ptr
,
401 struct pipe_fence_handle
*fence
)
403 struct r300_fence
**oldf
= (struct r300_fence
**)ptr
;
404 struct r300_fence
*newf
= (struct r300_fence
*)fence
;
406 if (pipe_reference(&(*oldf
)->reference
, &newf
->reference
))
412 static int r300_fence_signalled(struct pipe_screen
*screen
,
413 struct pipe_fence_handle
*fence
,
416 struct r300_fence
*rfence
= (struct r300_fence
*)fence
;
418 return rfence
->signalled
? 0 : 1; /* 0 == success */
421 static int r300_fence_finish(struct pipe_screen
*screen
,
422 struct pipe_fence_handle
*fence
,
425 struct r300_fence
*rfence
= (struct r300_fence
*)fence
;
427 r300_finish(rfence
->ctx
);
428 rfence
->signalled
= TRUE
;
429 return 0; /* 0 == success */
432 struct pipe_screen
* r300_screen_create(struct r300_winsys_screen
*rws
)
434 struct r300_screen
*r300screen
= CALLOC_STRUCT(r300_screen
);
441 r300screen
->caps
.pci_id
= rws
->get_value(rws
, R300_VID_PCI_ID
);
442 r300screen
->caps
.num_frag_pipes
= rws
->get_value(rws
, R300_VID_GB_PIPES
);
443 r300screen
->caps
.num_z_pipes
= rws
->get_value(rws
, R300_VID_Z_PIPES
);
445 r300_init_debug(r300screen
);
446 r300_parse_chipset(&r300screen
->caps
);
448 util_mempool_create(&r300screen
->pool_buffers
,
449 sizeof(struct r300_buffer
), 64,
450 UTIL_MEMPOOL_SINGLETHREADED
);
452 r300screen
->rws
= rws
;
453 r300screen
->screen
.winsys
= (struct pipe_winsys
*)rws
;
454 r300screen
->screen
.destroy
= r300_destroy_screen
;
455 r300screen
->screen
.get_name
= r300_get_name
;
456 r300screen
->screen
.get_vendor
= r300_get_vendor
;
457 r300screen
->screen
.get_param
= r300_get_param
;
458 r300screen
->screen
.get_shader_param
= r300_get_shader_param
;
459 r300screen
->screen
.get_paramf
= r300_get_paramf
;
460 r300screen
->screen
.is_format_supported
= r300_is_format_supported
;
461 r300screen
->screen
.context_create
= r300_create_context
;
463 r300screen
->screen
.fence_reference
= r300_fence_reference
;
464 r300screen
->screen
.fence_signalled
= r300_fence_signalled
;
465 r300screen
->screen
.fence_finish
= r300_fence_finish
;
467 r300_init_screen_resource_functions(r300screen
);
469 util_format_s3tc_init();
471 return &r300screen
->screen
;