1 /**************************************************************************
3 * Copyright 2008 VMware, Inc.
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 VMWARE 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 "os/os_time.h"
34 #include "pipe/p_defines.h"
35 #include "pipe/p_screen.h"
36 #include "draw/draw_context.h"
38 #include "state_tracker/sw_winsys.h"
39 #include "tgsi/tgsi_exec.h"
41 #include "sp_texture.h"
42 #include "sp_screen.h"
43 #include "sp_context.h"
45 #include "sp_public.h"
47 DEBUG_GET_ONCE_BOOL_OPTION(use_llvm
, "SOFTPIPE_USE_LLVM", FALSE
)
50 softpipe_get_vendor(struct pipe_screen
*screen
)
52 return "VMware, Inc.";
57 softpipe_get_name(struct pipe_screen
*screen
)
64 softpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
67 case PIPE_CAP_NPOT_TEXTURES
:
68 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
70 case PIPE_CAP_TWO_SIDED_STENCIL
:
74 case PIPE_CAP_ANISOTROPIC_FILTER
:
76 case PIPE_CAP_POINT_SPRITE
:
78 case PIPE_CAP_MAX_RENDER_TARGETS
:
79 return PIPE_MAX_COLOR_BUFS
;
80 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
82 case PIPE_CAP_OCCLUSION_QUERY
:
84 case PIPE_CAP_QUERY_TIME_ELAPSED
:
86 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
88 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
90 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
92 case PIPE_CAP_TEXTURE_SWIZZLE
:
94 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
96 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
97 return SP_MAX_TEXTURE_2D_LEVELS
;
98 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
99 return SP_MAX_TEXTURE_3D_LEVELS
;
100 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
101 return SP_MAX_TEXTURE_CUBE_LEVELS
;
102 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
104 case PIPE_CAP_INDEP_BLEND_ENABLE
:
106 case PIPE_CAP_INDEP_BLEND_FUNC
:
108 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
109 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
110 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
111 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
113 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
115 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
116 return PIPE_MAX_SO_BUFFERS
;
117 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
118 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
120 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
121 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
123 case PIPE_CAP_PRIMITIVE_RESTART
:
125 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
127 case PIPE_CAP_TGSI_INSTANCEID
:
128 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
130 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
131 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
133 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
134 return 256; /* for GL3 */
135 case PIPE_CAP_MIN_TEXEL_OFFSET
:
137 case PIPE_CAP_MAX_TEXEL_OFFSET
:
139 case PIPE_CAP_CONDITIONAL_RENDER
:
141 case PIPE_CAP_TEXTURE_BARRIER
:
143 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
144 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
: /* draw module */
145 case PIPE_CAP_VERTEX_COLOR_CLAMPED
: /* draw module */
147 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
149 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
151 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
153 case PIPE_CAP_COMPUTE
:
155 case PIPE_CAP_USER_VERTEX_BUFFERS
:
156 case PIPE_CAP_USER_INDEX_BUFFERS
:
157 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
158 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
160 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
162 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
163 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
164 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
165 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
166 case PIPE_CAP_START_INSTANCE
:
167 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
169 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
171 case PIPE_CAP_QUERY_TIMESTAMP
:
172 case PIPE_CAP_CUBE_MAP_ARRAY
:
174 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
176 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
178 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
180 case PIPE_CAP_TGSI_TEXCOORD
:
181 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
183 case PIPE_CAP_MAX_VIEWPORTS
:
185 case PIPE_CAP_ENDIANNESS
:
186 return PIPE_ENDIAN_NATIVE
;
187 case PIPE_CAP_TGSI_VS_LAYER
:
188 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
189 case PIPE_CAP_TEXTURE_GATHER_SM5
:
190 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
193 /* should only get here on unhandled cases */
194 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
199 softpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
201 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
204 case PIPE_SHADER_FRAGMENT
:
205 return tgsi_exec_get_shader_param(param
);
206 case PIPE_SHADER_VERTEX
:
207 case PIPE_SHADER_GEOMETRY
:
209 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
210 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
211 if (sp_screen
->use_llvm
)
212 /* Softpipe doesn't yet know how to tell draw/llvm about textures */
215 return PIPE_MAX_SAMPLERS
;
217 if (sp_screen
->use_llvm
)
218 return draw_get_shader_param(shader
, param
);
220 return draw_get_shader_param_no_llvm(shader
, param
);
228 softpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
231 case PIPE_CAPF_MAX_LINE_WIDTH
:
233 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
234 return 255.0; /* arbitrary */
235 case PIPE_CAPF_MAX_POINT_WIDTH
:
237 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
238 return 255.0; /* arbitrary */
239 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
241 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
242 return 16.0; /* arbitrary */
243 case PIPE_CAPF_GUARD_BAND_LEFT
:
244 case PIPE_CAPF_GUARD_BAND_TOP
:
245 case PIPE_CAPF_GUARD_BAND_RIGHT
:
246 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
249 /* should only get here on unhandled cases */
250 debug_printf("Unexpected PIPE_CAPF %d query\n", param
);
255 * Query format support for creating a texture, drawing surface, etc.
256 * \param format the format to test
257 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
260 softpipe_is_format_supported( struct pipe_screen
*screen
,
261 enum pipe_format format
,
262 enum pipe_texture_target target
,
263 unsigned sample_count
,
266 struct sw_winsys
*winsys
= softpipe_screen(screen
)->winsys
;
267 const struct util_format_description
*format_desc
;
269 assert(target
== PIPE_BUFFER
||
270 target
== PIPE_TEXTURE_1D
||
271 target
== PIPE_TEXTURE_1D_ARRAY
||
272 target
== PIPE_TEXTURE_2D
||
273 target
== PIPE_TEXTURE_2D_ARRAY
||
274 target
== PIPE_TEXTURE_RECT
||
275 target
== PIPE_TEXTURE_3D
||
276 target
== PIPE_TEXTURE_CUBE
||
277 target
== PIPE_TEXTURE_CUBE_ARRAY
);
279 format_desc
= util_format_description(format
);
283 if (sample_count
> 1)
286 if (bind
& (PIPE_BIND_DISPLAY_TARGET
|
289 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
293 if (bind
& PIPE_BIND_RENDER_TARGET
) {
294 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
298 * Although possible, it is unnatural to render into compressed or YUV
299 * surfaces. So disable these here to avoid going into weird paths
300 * inside the state trackers.
302 if (format_desc
->block
.width
!= 1 ||
303 format_desc
->block
.height
!= 1)
307 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
308 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
313 * All other operations (sampling, transfer, etc).
316 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
317 return util_format_s3tc_enabled
;
321 * Everything else should be supported by u_format.
328 softpipe_destroy_screen( struct pipe_screen
*screen
)
330 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
331 struct sw_winsys
*winsys
= sp_screen
->winsys
;
334 winsys
->destroy(winsys
);
340 /* This is often overriden by the co-state tracker.
343 softpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
344 struct pipe_resource
*resource
,
345 unsigned level
, unsigned layer
,
346 void *context_private
,
347 struct pipe_box
*sub_box
)
349 struct softpipe_screen
*screen
= softpipe_screen(_screen
);
350 struct sw_winsys
*winsys
= screen
->winsys
;
351 struct softpipe_resource
*texture
= softpipe_resource(resource
);
355 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
, sub_box
);
359 softpipe_get_timestamp(struct pipe_screen
*_screen
)
361 return os_time_get_nano();
365 * Create a new pipe_screen object
366 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
369 softpipe_create_screen(struct sw_winsys
*winsys
)
371 struct softpipe_screen
*screen
= CALLOC_STRUCT(softpipe_screen
);
376 screen
->winsys
= winsys
;
378 screen
->base
.destroy
= softpipe_destroy_screen
;
380 screen
->base
.get_name
= softpipe_get_name
;
381 screen
->base
.get_vendor
= softpipe_get_vendor
;
382 screen
->base
.get_param
= softpipe_get_param
;
383 screen
->base
.get_shader_param
= softpipe_get_shader_param
;
384 screen
->base
.get_paramf
= softpipe_get_paramf
;
385 screen
->base
.get_timestamp
= softpipe_get_timestamp
;
386 screen
->base
.is_format_supported
= softpipe_is_format_supported
;
387 screen
->base
.context_create
= softpipe_create_context
;
388 screen
->base
.flush_frontbuffer
= softpipe_flush_frontbuffer
;
390 screen
->use_llvm
= debug_get_option_use_llvm();
392 util_format_s3tc_init();
394 softpipe_init_screen_texture_funcs(&screen
->base
);
395 softpipe_init_screen_fence_funcs(&screen
->base
);
397 return &screen
->base
;