1 /**************************************************************************
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "util/u_memory.h"
30 #include "util/u_format.h"
31 #include "util/u_format_s3tc.h"
32 #include "util/u_video.h"
33 #include "pipe/p_defines.h"
34 #include "pipe/p_screen.h"
35 #include "draw/draw_context.h"
36 #include "vl/vl_decoder.h"
37 #include "vl/vl_video_buffer.h"
39 #include "state_tracker/sw_winsys.h"
40 #include "tgsi/tgsi_exec.h"
42 #include "sp_texture.h"
43 #include "sp_screen.h"
44 #include "sp_context.h"
46 #include "sp_public.h"
48 DEBUG_GET_ONCE_BOOL_OPTION(use_llvm
, "SOFTPIPE_USE_LLVM", FALSE
)
51 softpipe_get_vendor(struct pipe_screen
*screen
)
53 return "VMware, Inc.";
58 softpipe_get_name(struct pipe_screen
*screen
)
65 softpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
68 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
69 return PIPE_MAX_SAMPLERS
+ PIPE_MAX_VERTEX_SAMPLERS
;
70 case PIPE_CAP_NPOT_TEXTURES
:
72 case PIPE_CAP_TWO_SIDED_STENCIL
:
76 case PIPE_CAP_ANISOTROPIC_FILTER
:
78 case PIPE_CAP_POINT_SPRITE
:
80 case PIPE_CAP_MAX_RENDER_TARGETS
:
81 return PIPE_MAX_COLOR_BUFS
;
82 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
84 case PIPE_CAP_OCCLUSION_QUERY
:
86 case PIPE_CAP_TIMER_QUERY
:
88 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
90 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
92 case PIPE_CAP_TEXTURE_SWIZZLE
:
94 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
95 return SP_MAX_TEXTURE_2D_LEVELS
;
96 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
97 return SP_MAX_TEXTURE_3D_LEVELS
;
98 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
99 return SP_MAX_TEXTURE_CUBE_LEVELS
;
100 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
102 case PIPE_CAP_INDEP_BLEND_ENABLE
:
104 case PIPE_CAP_INDEP_BLEND_FUNC
:
106 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
107 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
108 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
109 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
111 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
112 return PIPE_MAX_SO_BUFFERS
;
113 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
114 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
116 case PIPE_CAP_PRIMITIVE_RESTART
:
118 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
120 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
122 case PIPE_CAP_TGSI_INSTANCEID
:
123 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
125 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
126 return 256; /* for GL3 */
127 case PIPE_CAP_MIN_TEXEL_OFFSET
:
129 case PIPE_CAP_MAX_TEXEL_OFFSET
:
131 case PIPE_CAP_CONDITIONAL_RENDER
:
133 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
134 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
: /* draw module */
135 case PIPE_CAP_VERTEX_COLOR_CLAMPED
: /* draw module */
137 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
139 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
141 case PIPE_CAP_USER_VERTEX_BUFFERS
:
142 case PIPE_CAP_USER_INDEX_BUFFERS
:
143 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
151 softpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
154 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
158 case PIPE_SHADER_FRAGMENT
:
159 return tgsi_exec_get_shader_param(param
);
160 case PIPE_SHADER_VERTEX
:
161 case PIPE_SHADER_GEOMETRY
:
163 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
165 if (sp_screen
->use_llvm
)
166 /* Softpipe doesn't yet know how to tell draw/llvm about textures */
169 return PIPE_MAX_VERTEX_SAMPLERS
;
170 case PIPE_SHADER_CAP_INTEGERS
:
171 #ifdef HAVE_LLVM /* gallivm doesn't support integers yet */
172 if (sp_screen
->use_llvm
)
177 return draw_get_shader_param(shader
, param
);
185 softpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
188 case PIPE_CAPF_MAX_LINE_WIDTH
:
190 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
191 return 255.0; /* arbitrary */
192 case PIPE_CAPF_MAX_POINT_WIDTH
:
194 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
195 return 255.0; /* arbitrary */
196 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
198 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
199 return 16.0; /* arbitrary */
206 softpipe_get_video_param(struct pipe_screen
*screen
,
207 enum pipe_video_profile profile
,
208 enum pipe_video_cap param
)
211 case PIPE_VIDEO_CAP_SUPPORTED
:
212 return vl_profile_supported(screen
, profile
);
213 case PIPE_VIDEO_CAP_NPOT_TEXTURES
:
215 case PIPE_VIDEO_CAP_MAX_WIDTH
:
216 case PIPE_VIDEO_CAP_MAX_HEIGHT
:
217 return vl_video_buffer_max_size(screen
);
218 case PIPE_VIDEO_CAP_PREFERED_FORMAT
:
219 return PIPE_FORMAT_NV12
;
220 case PIPE_VIDEO_CAP_PREFERS_INTERLACED
:
222 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED
:
224 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE
:
232 * Query format support for creating a texture, drawing surface, etc.
233 * \param format the format to test
234 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
237 softpipe_is_format_supported( struct pipe_screen
*screen
,
238 enum pipe_format format
,
239 enum pipe_texture_target target
,
240 unsigned sample_count
,
243 struct sw_winsys
*winsys
= softpipe_screen(screen
)->winsys
;
244 const struct util_format_description
*format_desc
;
246 assert(target
== PIPE_BUFFER
||
247 target
== PIPE_TEXTURE_1D
||
248 target
== PIPE_TEXTURE_1D_ARRAY
||
249 target
== PIPE_TEXTURE_2D
||
250 target
== PIPE_TEXTURE_2D_ARRAY
||
251 target
== PIPE_TEXTURE_RECT
||
252 target
== PIPE_TEXTURE_3D
||
253 target
== PIPE_TEXTURE_CUBE
);
255 format_desc
= util_format_description(format
);
259 if (sample_count
> 1)
262 if (bind
& (PIPE_BIND_DISPLAY_TARGET
|
265 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
269 if (bind
& PIPE_BIND_RENDER_TARGET
) {
270 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
274 * Although possible, it is unnatural to render into compressed or YUV
275 * surfaces. So disable these here to avoid going into weird paths
276 * inside the state trackers.
278 if (format_desc
->block
.width
!= 1 ||
279 format_desc
->block
.height
!= 1)
283 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
284 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
289 * All other operations (sampling, transfer, etc).
292 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
293 return util_format_s3tc_enabled
;
297 * Everything else should be supported by u_format.
304 softpipe_destroy_screen( struct pipe_screen
*screen
)
306 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
307 struct sw_winsys
*winsys
= sp_screen
->winsys
;
310 winsys
->destroy(winsys
);
316 /* This is often overriden by the co-state tracker.
319 softpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
320 struct pipe_resource
*resource
,
321 unsigned level
, unsigned layer
,
322 void *context_private
)
324 struct softpipe_screen
*screen
= softpipe_screen(_screen
);
325 struct sw_winsys
*winsys
= screen
->winsys
;
326 struct softpipe_resource
*texture
= softpipe_resource(resource
);
330 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
334 * Create a new pipe_screen object
335 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
338 softpipe_create_screen(struct sw_winsys
*winsys
)
340 struct softpipe_screen
*screen
= CALLOC_STRUCT(softpipe_screen
);
345 screen
->winsys
= winsys
;
347 screen
->base
.destroy
= softpipe_destroy_screen
;
349 screen
->base
.get_name
= softpipe_get_name
;
350 screen
->base
.get_vendor
= softpipe_get_vendor
;
351 screen
->base
.get_param
= softpipe_get_param
;
352 screen
->base
.get_shader_param
= softpipe_get_shader_param
;
353 screen
->base
.get_paramf
= softpipe_get_paramf
;
354 screen
->base
.get_video_param
= softpipe_get_video_param
;
355 screen
->base
.is_format_supported
= softpipe_is_format_supported
;
356 screen
->base
.is_video_format_supported
= vl_video_buffer_is_format_supported
;
357 screen
->base
.context_create
= softpipe_create_context
;
358 screen
->base
.flush_frontbuffer
= softpipe_flush_frontbuffer
;
360 screen
->use_llvm
= debug_get_option_use_llvm();
362 util_format_s3tc_init();
364 softpipe_init_screen_texture_funcs(&screen
->base
);
365 softpipe_init_screen_fence_funcs(&screen
->base
);
367 return &screen
->base
;