2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23 #include "util/u_inlines.h"
24 #include "util/u_format.h"
25 #include "util/u_memory.h"
26 #include "util/u_simple_screen.h"
28 #include "r300_context.h"
29 #include "r300_screen.h"
30 #include "r300_texture.h"
32 #include "radeon_winsys.h"
34 /* Return the identifier behind whom the brave coders responsible for this
35 * amalgamation of code, sweat, and duct tape, routinely obscure their names.
37 * ...I should have just put "Corbin Simpson", but I'm not that cool.
39 * (Or egotistical. Yet.) */
40 static const char* r300_get_vendor(struct pipe_screen
* pscreen
)
42 return "X.Org R300 Project";
45 static const char* chip_families
[] = {
73 static const char* r300_get_name(struct pipe_screen
* pscreen
)
75 struct r300_screen
* r300screen
= r300_screen(pscreen
);
77 return chip_families
[r300screen
->caps
->family
];
80 static int r300_get_param(struct pipe_screen
* pscreen
, int param
)
82 struct r300_screen
* r300screen
= r300_screen(pscreen
);
85 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
86 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
87 /* XXX I'm told this goes up to 16 */
89 case PIPE_CAP_NPOT_TEXTURES
:
90 /* XXX enable now to get GL2.1 API,
91 * figure out later how to emulate this */
93 case PIPE_CAP_TWO_SIDED_STENCIL
:
94 if (r300screen
->caps
->is_r500
) {
100 /* I'll be frank. This is a lie.
102 * We don't truly support GLSL on any of this driver's chipsets.
103 * To be fair, no chipset supports the full GLSL specification
104 * to the best of our knowledge, but some of the less esoteric
105 * features are still missing here.
107 * Rather than cripple ourselves intentionally, I'm going to set
108 * this flag, and as Gallium's interface continues to change, I
109 * hope that this single monolithic GLSL enable can slowly get
110 * split down into many different pieces and the state tracker
111 * will handle fallbacks transparently, like it should.
116 case PIPE_CAP_DUAL_SOURCE_BLEND
:
118 case PIPE_CAP_ANISOTROPIC_FILTER
:
120 case PIPE_CAP_POINT_SPRITE
:
122 case PIPE_CAP_MAX_RENDER_TARGETS
:
124 case PIPE_CAP_OCCLUSION_QUERY
:
126 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
128 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
129 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
130 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
131 if (r300screen
->caps
->is_r500
) {
138 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
140 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
142 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
144 case PIPE_CAP_TGSI_CONT_SUPPORTED
:
146 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
149 if (r300screen
->caps
->is_r500
) {
154 case PIPE_CAP_INDEP_BLEND_ENABLE
:
155 if (r300screen
->caps
->is_r500
) {
160 case PIPE_CAP_INDEP_BLEND_FUNC
:
162 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
163 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
165 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
166 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
169 debug_printf("r300: Implementation error: Bad param %d\n",
175 static float r300_get_paramf(struct pipe_screen
* pscreen
, int param
)
177 struct r300_screen
* r300screen
= r300_screen(pscreen
);
180 case PIPE_CAP_MAX_LINE_WIDTH
:
181 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
182 case PIPE_CAP_MAX_POINT_WIDTH
:
183 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
184 /* The maximum dimensions of the colorbuffer are our practical
185 * rendering limits. 2048 pixels should be enough for anybody. */
186 if (r300screen
->caps
->is_r500
) {
191 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
193 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
196 debug_printf("r300: Implementation error: Bad paramf %d\n",
202 static boolean
r300_is_format_supported(struct pipe_screen
* screen
,
203 enum pipe_format format
,
204 enum pipe_texture_target target
,
209 boolean is_r500
= r300_screen(screen
)->caps
->is_r500
;
211 if (target
>= PIPE_MAX_TEXTURE_TYPES
) {
212 debug_printf("r300: Implementation error: Received bogus texture "
213 "target %d in %s\n", target
, __FUNCTION__
);
218 /* Supported formats. */
220 case PIPE_FORMAT_A4R4G4B4_UNORM
:
221 case PIPE_FORMAT_R5G6B5_UNORM
:
222 case PIPE_FORMAT_A1R5G5B5_UNORM
:
223 case PIPE_FORMAT_A8_UNORM
:
224 case PIPE_FORMAT_L8_UNORM
:
226 (PIPE_TEXTURE_USAGE_RENDER_TARGET
|
227 PIPE_TEXTURE_USAGE_DISPLAY_TARGET
|
228 PIPE_TEXTURE_USAGE_PRIMARY
);
232 case PIPE_FORMAT_A8R8G8B8_SRGB
:
233 case PIPE_FORMAT_R8G8B8A8_SRGB
:
234 case PIPE_FORMAT_DXT1_RGB
:
235 case PIPE_FORMAT_DXT1_RGBA
:
236 case PIPE_FORMAT_DXT3_RGBA
:
237 case PIPE_FORMAT_DXT5_RGBA
:
238 case PIPE_FORMAT_YCBCR
:
239 case PIPE_FORMAT_A8L8_UNORM
:
240 retval
= usage
& PIPE_TEXTURE_USAGE_SAMPLER
;
243 /* Colorbuffer or texture */
244 case PIPE_FORMAT_A8R8G8B8_UNORM
:
245 case PIPE_FORMAT_X8R8G8B8_UNORM
:
246 case PIPE_FORMAT_R8G8B8A8_UNORM
:
247 case PIPE_FORMAT_R8G8B8X8_UNORM
:
248 case PIPE_FORMAT_I8_UNORM
:
250 (PIPE_TEXTURE_USAGE_RENDER_TARGET
|
251 PIPE_TEXTURE_USAGE_DISPLAY_TARGET
|
252 PIPE_TEXTURE_USAGE_PRIMARY
|
253 PIPE_TEXTURE_USAGE_SAMPLER
);
256 /* Z buffer or texture */
257 case PIPE_FORMAT_Z16_UNORM
:
259 (PIPE_TEXTURE_USAGE_DEPTH_STENCIL
|
260 PIPE_TEXTURE_USAGE_SAMPLER
);
263 /* 24bit Z buffer can only be used as a texture on R500. */
264 case PIPE_FORMAT_Z24X8_UNORM
:
265 /* Z buffer with stencil or texture */
266 case PIPE_FORMAT_Z24S8_UNORM
:
268 (PIPE_TEXTURE_USAGE_DEPTH_STENCIL
|
269 (is_r500
? PIPE_TEXTURE_USAGE_SAMPLER
: 0));
272 /* Definitely unsupported formats. */
273 /* Non-usable Z buffer/stencil formats. */
274 case PIPE_FORMAT_Z32_UNORM
:
275 case PIPE_FORMAT_S8Z24_UNORM
:
276 case PIPE_FORMAT_X8Z24_UNORM
:
277 SCREEN_DBG(r300_screen(screen
), DBG_TEX
,
278 "r300: Note: Got unsupported format: %s in %s\n",
279 pf_name(format
), __FUNCTION__
);
282 /* XXX Add all remaining gallium-supported formats,
283 * see util/u_format.csv. */
286 /* Unknown format... */
287 debug_printf("r300: Warning: Got unknown format: %s in %s\n",
288 pf_name(format
), __FUNCTION__
);
292 /* If usage was a mask that contained multiple bits, and not all of them
293 * are supported, this will catch that and return FALSE.
294 * e.g. usage = 2 | 4; retval = 4; (retval >= usage) == FALSE
296 * This also returns FALSE for any unknown formats.
298 return (retval
>= usage
);
301 static struct pipe_transfer
*
302 r300_get_tex_transfer(struct pipe_screen
*screen
,
303 struct pipe_texture
*texture
,
304 unsigned face
, unsigned level
, unsigned zslice
,
305 enum pipe_transfer_usage usage
, unsigned x
, unsigned y
,
306 unsigned w
, unsigned h
)
308 struct r300_texture
*tex
= (struct r300_texture
*)texture
;
309 struct r300_transfer
*trans
;
310 struct r300_screen
*rscreen
= r300_screen(screen
);
313 offset
= r300_texture_get_offset(tex
, level
, zslice
, face
); /* in bytes */
315 trans
= CALLOC_STRUCT(r300_transfer
);
317 pipe_texture_reference(&trans
->transfer
.texture
, texture
);
318 trans
->transfer
.x
= x
;
319 trans
->transfer
.y
= y
;
320 trans
->transfer
.width
= w
;
321 trans
->transfer
.height
= h
;
322 trans
->transfer
.stride
= r300_texture_get_stride(rscreen
, tex
, level
);
323 trans
->transfer
.usage
= usage
;
324 trans
->transfer
.zslice
= zslice
;
325 trans
->transfer
.face
= face
;
327 trans
->offset
= offset
;
329 return &trans
->transfer
;
333 r300_tex_transfer_destroy(struct pipe_transfer
*trans
)
335 pipe_texture_reference(&trans
->texture
, NULL
);
339 static void* r300_transfer_map(struct pipe_screen
* screen
,
340 struct pipe_transfer
* transfer
)
342 struct r300_texture
* tex
= (struct r300_texture
*)transfer
->texture
;
344 enum pipe_format format
= tex
->tex
.format
;
346 map
= pipe_buffer_map(screen
, tex
->buffer
,
347 pipe_transfer_buffer_flags(transfer
));
353 return map
+ r300_transfer(transfer
)->offset
+
354 transfer
->y
/ util_format_get_blockheight(format
) * transfer
->stride
+
355 transfer
->x
/ util_format_get_blockwidth(format
) * util_format_get_blocksize(format
);
358 static void r300_transfer_unmap(struct pipe_screen
* screen
,
359 struct pipe_transfer
* transfer
)
361 struct r300_texture
* tex
= (struct r300_texture
*)transfer
->texture
;
362 pipe_buffer_unmap(screen
, tex
->buffer
);
365 static void r300_destroy_screen(struct pipe_screen
* pscreen
)
367 struct r300_screen
* r300screen
= r300_screen(pscreen
);
369 FREE(r300screen
->caps
);
373 struct pipe_screen
* r300_create_screen(struct radeon_winsys
* radeon_winsys
)
375 struct r300_screen
* r300screen
= CALLOC_STRUCT(r300_screen
);
376 struct r300_capabilities
* caps
= CALLOC_STRUCT(r300_capabilities
);
378 if (!r300screen
|| !caps
) {
384 caps
->pci_id
= radeon_winsys
->pci_id
;
385 caps
->num_frag_pipes
= radeon_winsys
->gb_pipes
;
386 caps
->num_z_pipes
= radeon_winsys
->z_pipes
;
388 r300_init_debug(r300screen
);
389 r300_parse_chipset(caps
);
391 r300screen
->caps
= caps
;
392 r300screen
->screen
.winsys
= (struct pipe_winsys
*)radeon_winsys
;
393 r300screen
->screen
.destroy
= r300_destroy_screen
;
394 r300screen
->screen
.get_name
= r300_get_name
;
395 r300screen
->screen
.get_vendor
= r300_get_vendor
;
396 r300screen
->screen
.get_param
= r300_get_param
;
397 r300screen
->screen
.get_paramf
= r300_get_paramf
;
398 r300screen
->screen
.is_format_supported
= r300_is_format_supported
;
399 r300screen
->screen
.get_tex_transfer
= r300_get_tex_transfer
;
400 r300screen
->screen
.tex_transfer_destroy
= r300_tex_transfer_destroy
;
401 r300screen
->screen
.transfer_map
= r300_transfer_map
;
402 r300screen
->screen
.transfer_unmap
= r300_transfer_unmap
;
404 r300_init_screen_texture_functions(&r300screen
->screen
);
405 u_simple_screen_init(&r300screen
->screen
);
407 return &r300screen
->screen
;