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 "os/os_time.h"
34 #include "pipe/p_defines.h"
35 #include "pipe/p_screen.h"
36 #include "draw/draw_context.h"
37 #include "vl/vl_decoder.h"
38 #include "vl/vl_video_buffer.h"
40 #include "state_tracker/sw_winsys.h"
41 #include "tgsi/tgsi_exec.h"
43 #include "sp_texture.h"
44 #include "sp_screen.h"
45 #include "sp_context.h"
47 #include "sp_public.h"
49 DEBUG_GET_ONCE_BOOL_OPTION(use_llvm, "SOFTPIPE_USE_LLVM", FALSE)
52 softpipe_get_vendor(struct pipe_screen *screen)
54 return "VMware, Inc.";
59 softpipe_get_name(struct pipe_screen *screen)
66 softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
69 case PIPE_CAP_MAX_COMBINED_SAMPLERS:
70 return 2 * PIPE_MAX_SAMPLERS; /* VS + FS */
71 case PIPE_CAP_NPOT_TEXTURES:
73 case PIPE_CAP_TWO_SIDED_STENCIL:
77 case PIPE_CAP_ANISOTROPIC_FILTER:
79 case PIPE_CAP_POINT_SPRITE:
81 case PIPE_CAP_MAX_RENDER_TARGETS:
82 return PIPE_MAX_COLOR_BUFS;
83 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
85 case PIPE_CAP_OCCLUSION_QUERY:
87 case PIPE_CAP_QUERY_TIME_ELAPSED:
89 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
91 case PIPE_CAP_TEXTURE_SHADOW_MAP:
93 case PIPE_CAP_TEXTURE_SWIZZLE:
95 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
96 return SP_MAX_TEXTURE_2D_LEVELS;
97 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
98 return SP_MAX_TEXTURE_3D_LEVELS;
99 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
100 return SP_MAX_TEXTURE_CUBE_LEVELS;
101 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
103 case PIPE_CAP_INDEP_BLEND_ENABLE:
105 case PIPE_CAP_INDEP_BLEND_FUNC:
107 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
108 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
109 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
110 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
112 case PIPE_CAP_DEPTH_CLIP_DISABLE:
114 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
115 return PIPE_MAX_SO_BUFFERS;
116 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
117 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
119 case PIPE_CAP_PRIMITIVE_RESTART:
121 case PIPE_CAP_SHADER_STENCIL_EXPORT:
123 case PIPE_CAP_TGSI_INSTANCEID:
124 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
126 case PIPE_CAP_SEAMLESS_CUBE_MAP:
127 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
129 case PIPE_CAP_SCALED_RESOLVE:
131 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
132 return 256; /* for GL3 */
133 case PIPE_CAP_MIN_TEXEL_OFFSET:
135 case PIPE_CAP_MAX_TEXEL_OFFSET:
137 case PIPE_CAP_CONDITIONAL_RENDER:
139 case PIPE_CAP_TEXTURE_BARRIER:
141 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
142 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: /* draw module */
143 case PIPE_CAP_VERTEX_COLOR_CLAMPED: /* draw module */
145 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
147 case PIPE_CAP_GLSL_FEATURE_LEVEL:
149 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
151 case PIPE_CAP_COMPUTE:
153 case PIPE_CAP_USER_VERTEX_BUFFERS:
154 case PIPE_CAP_USER_INDEX_BUFFERS:
155 case PIPE_CAP_USER_CONSTANT_BUFFERS:
156 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
158 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
160 case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
161 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
162 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
163 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
164 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
165 case PIPE_CAP_START_INSTANCE:
166 case PIPE_CAP_TEXTURE_MULTISAMPLE:
167 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
169 case PIPE_CAP_QUERY_TIMESTAMP:
170 case PIPE_CAP_CUBE_MAP_ARRAY:
172 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
174 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
177 /* should only get here on unhandled cases */
178 debug_printf("Unexpected PIPE_CAP %d query\n", param);
183 softpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
185 struct softpipe_screen *sp_screen = softpipe_screen(screen);
188 case PIPE_SHADER_FRAGMENT:
189 return tgsi_exec_get_shader_param(param);
190 case PIPE_SHADER_VERTEX:
191 case PIPE_SHADER_GEOMETRY:
193 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
194 if (sp_screen->use_llvm)
195 /* Softpipe doesn't yet know how to tell draw/llvm about textures */
198 return PIPE_MAX_SAMPLERS;
200 if (sp_screen->use_llvm)
201 return draw_get_shader_param(shader, param);
203 return draw_get_shader_param_no_llvm(shader, param);
211 softpipe_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
214 case PIPE_CAPF_MAX_LINE_WIDTH:
216 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
217 return 255.0; /* arbitrary */
218 case PIPE_CAPF_MAX_POINT_WIDTH:
220 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
221 return 255.0; /* arbitrary */
222 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
224 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
225 return 16.0; /* arbitrary */
226 case PIPE_CAPF_GUARD_BAND_LEFT:
227 case PIPE_CAPF_GUARD_BAND_TOP:
228 case PIPE_CAPF_GUARD_BAND_RIGHT:
229 case PIPE_CAPF_GUARD_BAND_BOTTOM:
232 /* should only get here on unhandled cases */
233 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
238 softpipe_get_video_param(struct pipe_screen *screen,
239 enum pipe_video_profile profile,
240 enum pipe_video_cap param)
243 case PIPE_VIDEO_CAP_SUPPORTED:
244 return vl_profile_supported(screen, profile);
245 case PIPE_VIDEO_CAP_NPOT_TEXTURES:
247 case PIPE_VIDEO_CAP_MAX_WIDTH:
248 case PIPE_VIDEO_CAP_MAX_HEIGHT:
249 return vl_video_buffer_max_size(screen);
250 case PIPE_VIDEO_CAP_PREFERED_FORMAT:
251 return PIPE_FORMAT_NV12;
252 case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
254 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
256 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
264 * Query format support for creating a texture, drawing surface, etc.
265 * \param format the format to test
266 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
269 softpipe_is_format_supported( struct pipe_screen *screen,
270 enum pipe_format format,
271 enum pipe_texture_target target,
272 unsigned sample_count,
275 struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
276 const struct util_format_description *format_desc;
278 assert(target == PIPE_BUFFER ||
279 target == PIPE_TEXTURE_1D ||
280 target == PIPE_TEXTURE_1D_ARRAY ||
281 target == PIPE_TEXTURE_2D ||
282 target == PIPE_TEXTURE_2D_ARRAY ||
283 target == PIPE_TEXTURE_RECT ||
284 target == PIPE_TEXTURE_3D ||
285 target == PIPE_TEXTURE_CUBE ||
286 target == PIPE_TEXTURE_CUBE_ARRAY);
288 format_desc = util_format_description(format);
292 if (sample_count > 1)
295 if (bind & (PIPE_BIND_DISPLAY_TARGET |
298 if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
302 if (bind & PIPE_BIND_RENDER_TARGET) {
303 if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
307 * Although possible, it is unnatural to render into compressed or YUV
308 * surfaces. So disable these here to avoid going into weird paths
309 * inside the state trackers.
311 if (format_desc->block.width != 1 ||
312 format_desc->block.height != 1)
316 if (bind & PIPE_BIND_DEPTH_STENCIL) {
317 if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
322 * All other operations (sampling, transfer, etc).
325 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
326 return util_format_s3tc_enabled;
330 * Everything else should be supported by u_format.
337 softpipe_destroy_screen( struct pipe_screen *screen )
339 struct softpipe_screen *sp_screen = softpipe_screen(screen);
340 struct sw_winsys *winsys = sp_screen->winsys;
343 winsys->destroy(winsys);
349 /* This is often overriden by the co-state tracker.
352 softpipe_flush_frontbuffer(struct pipe_screen *_screen,
353 struct pipe_resource *resource,
354 unsigned level, unsigned layer,
355 void *context_private)
357 struct softpipe_screen *screen = softpipe_screen(_screen);
358 struct sw_winsys *winsys = screen->winsys;
359 struct softpipe_resource *texture = softpipe_resource(resource);
363 winsys->displaytarget_display(winsys, texture->dt, context_private);
367 softpipe_get_timestamp(struct pipe_screen *_screen)
369 return os_time_get_nano();
373 * Create a new pipe_screen object
374 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
377 softpipe_create_screen(struct sw_winsys *winsys)
379 struct softpipe_screen *screen = CALLOC_STRUCT(softpipe_screen);
384 screen->winsys = winsys;
386 screen->base.destroy = softpipe_destroy_screen;
388 screen->base.get_name = softpipe_get_name;
389 screen->base.get_vendor = softpipe_get_vendor;
390 screen->base.get_param = softpipe_get_param;
391 screen->base.get_shader_param = softpipe_get_shader_param;
392 screen->base.get_paramf = softpipe_get_paramf;
393 screen->base.get_video_param = softpipe_get_video_param;
394 screen->base.get_timestamp = softpipe_get_timestamp;
395 screen->base.is_format_supported = softpipe_is_format_supported;
396 screen->base.is_video_format_supported = vl_video_buffer_is_format_supported;
397 screen->base.context_create = softpipe_create_context;
398 screen->base.flush_frontbuffer = softpipe_flush_frontbuffer;
400 screen->use_llvm = debug_get_option_use_llvm();
402 util_format_s3tc_init();
404 softpipe_init_screen_texture_funcs(&screen->base);
405 softpipe_init_screen_fence_funcs(&screen->base);
407 return &screen->base;