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_math.h"
31 #include "util/u_cpu_detect.h"
32 #include "util/u_format.h"
33 #include "util/u_format_s3tc.h"
34 #include "pipe/p_defines.h"
35 #include "pipe/p_screen.h"
37 #include "gallivm/lp_bld_limits.h"
38 #include "lp_texture.h"
41 #include "lp_screen.h"
42 #include "lp_context.h"
44 #include "lp_public.h"
45 #include "lp_limits.h"
48 #include "state_tracker/sw_winsys.h"
53 static const struct debug_named_value lp_debug_flags[] = {
54 { "pipe", DEBUG_PIPE, NULL },
55 { "tgsi", DEBUG_TGSI, NULL },
56 { "tex", DEBUG_TEX, NULL },
57 { "setup", DEBUG_SETUP, NULL },
58 { "rast", DEBUG_RAST, NULL },
59 { "query", DEBUG_QUERY, NULL },
60 { "screen", DEBUG_SCREEN, NULL },
61 { "show_tiles", DEBUG_SHOW_TILES, NULL },
62 { "show_subtiles", DEBUG_SHOW_SUBTILES, NULL },
63 { "counters", DEBUG_COUNTERS, NULL },
70 llvmpipe_get_vendor(struct pipe_screen *screen)
72 return "VMware, Inc.";
77 llvmpipe_get_name(struct pipe_screen *screen)
84 llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
87 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
88 return PIPE_MAX_SAMPLERS;
89 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
90 return PIPE_MAX_VERTEX_SAMPLERS;
91 case PIPE_CAP_MAX_COMBINED_SAMPLERS:
92 return PIPE_MAX_SAMPLERS + PIPE_MAX_VERTEX_SAMPLERS;
93 case PIPE_CAP_NPOT_TEXTURES:
95 case PIPE_CAP_TWO_SIDED_STENCIL:
101 case PIPE_CAP_ANISOTROPIC_FILTER:
103 case PIPE_CAP_POINT_SPRITE:
105 case PIPE_CAP_MAX_RENDER_TARGETS:
106 return PIPE_MAX_COLOR_BUFS;
107 case PIPE_CAP_OCCLUSION_QUERY:
109 case PIPE_CAP_TIMER_QUERY:
111 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
113 case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
115 case PIPE_CAP_TEXTURE_SHADOW_MAP:
117 case PIPE_CAP_TEXTURE_SWIZZLE:
119 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
120 return LP_MAX_TEXTURE_2D_LEVELS;
121 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
122 return LP_MAX_TEXTURE_3D_LEVELS;
123 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
124 return LP_MAX_TEXTURE_2D_LEVELS;
125 case PIPE_CAP_TGSI_CONT_SUPPORTED:
127 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
129 case PIPE_CAP_INDEP_BLEND_ENABLE:
131 case PIPE_CAP_INDEP_BLEND_FUNC:
133 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
134 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
136 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
137 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
139 case PIPE_CAP_MAX_VS_INSTRUCTIONS:
140 case PIPE_CAP_MAX_FS_INSTRUCTIONS:
141 case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS:
142 case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS:
143 case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS:
144 case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS:
145 case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS:
146 case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS:
147 /* There is no limit in number of instructions beyond available memory */
149 case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH:
150 case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH:
151 return LP_MAX_TGSI_NESTING;
152 case PIPE_CAP_MAX_VS_INPUTS:
153 case PIPE_CAP_MAX_FS_INPUTS:
154 return PIPE_MAX_ATTRIBS;
155 case PIPE_CAP_MAX_FS_CONSTS:
156 case PIPE_CAP_MAX_VS_CONSTS:
157 /* There is no limit in number of constants beyond available memory */
159 case PIPE_CAP_MAX_VS_TEMPS:
160 case PIPE_CAP_MAX_FS_TEMPS:
161 return LP_MAX_TGSI_TEMPS;
162 case PIPE_CAP_MAX_VS_ADDRS:
163 case PIPE_CAP_MAX_FS_ADDRS:
164 return LP_MAX_TGSI_ADDRS;
165 case PIPE_CAP_MAX_VS_PREDS:
166 case PIPE_CAP_MAX_FS_PREDS:
167 return LP_MAX_TGSI_PREDS;
168 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
170 case PIPE_CAP_GEOMETRY_SHADER4:
180 llvmpipe_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
183 case PIPE_CAP_MAX_LINE_WIDTH:
185 case PIPE_CAP_MAX_LINE_WIDTH_AA:
186 return 255.0; /* arbitrary */
187 case PIPE_CAP_MAX_POINT_WIDTH:
189 case PIPE_CAP_MAX_POINT_WIDTH_AA:
190 return 255.0; /* arbitrary */
191 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
192 return 16.0; /* not actually signficant at this time */
193 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
194 return 16.0; /* arbitrary */
195 case PIPE_CAP_GUARD_BAND_LEFT:
196 case PIPE_CAP_GUARD_BAND_TOP:
197 case PIPE_CAP_GUARD_BAND_RIGHT:
198 case PIPE_CAP_GUARD_BAND_BOTTOM:
208 * Query format support for creating a texture, drawing surface, etc.
209 * \param format the format to test
210 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
213 llvmpipe_is_format_supported( struct pipe_screen *_screen,
214 enum pipe_format format,
215 enum pipe_texture_target target,
216 unsigned sample_count,
218 unsigned geom_flags )
220 struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
221 struct sw_winsys *winsys = screen->winsys;
222 const struct util_format_description *format_desc;
224 format_desc = util_format_description(format);
228 assert(target == PIPE_BUFFER ||
229 target == PIPE_TEXTURE_1D ||
230 target == PIPE_TEXTURE_2D ||
231 target == PIPE_TEXTURE_3D ||
232 target == PIPE_TEXTURE_CUBE);
234 if (sample_count > 1)
237 if (bind & PIPE_BIND_RENDER_TARGET) {
238 if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
241 if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
244 if (format_desc->block.width != 1 ||
245 format_desc->block.height != 1)
249 if (bind & PIPE_BIND_DISPLAY_TARGET) {
250 if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
254 if (bind & PIPE_BIND_DEPTH_STENCIL) {
255 if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
258 if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
261 /* FIXME: Temporary restriction. See lp_state_fs.c. */
262 if (format_desc->block.bits != 32)
266 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
267 return util_format_s3tc_enabled;
271 * Everything else should be supported by u_format.
280 llvmpipe_flush_frontbuffer(struct pipe_screen *_screen,
281 struct pipe_surface *surface,
282 void *context_private)
284 struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
285 struct sw_winsys *winsys = screen->winsys;
286 struct llvmpipe_resource *texture = llvmpipe_resource(surface->texture);
290 winsys->displaytarget_display(winsys, texture->dt, context_private);
295 llvmpipe_destroy_screen( struct pipe_screen *_screen )
297 struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
298 struct sw_winsys *winsys = screen->winsys;
301 lp_rast_destroy(screen->rast);
303 lp_jit_screen_cleanup(screen);
306 winsys->destroy(winsys);
308 pipe_mutex_destroy(screen->rast_mutex);
316 * Create a new pipe_screen object
317 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
320 llvmpipe_create_screen(struct sw_winsys *winsys)
322 struct llvmpipe_screen *screen;
325 /* require SSE2 due to LLVM PR6960. */
327 if (!util_cpu_caps.has_sse2)
331 screen = CALLOC_STRUCT(llvmpipe_screen);
334 LP_DEBUG = debug_get_flags_option("LP_DEBUG", lp_debug_flags, 0 );
340 screen->winsys = winsys;
342 screen->base.destroy = llvmpipe_destroy_screen;
344 screen->base.get_name = llvmpipe_get_name;
345 screen->base.get_vendor = llvmpipe_get_vendor;
346 screen->base.get_param = llvmpipe_get_param;
347 screen->base.get_paramf = llvmpipe_get_paramf;
348 screen->base.is_format_supported = llvmpipe_is_format_supported;
350 screen->base.context_create = llvmpipe_create_context;
351 screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer;
353 llvmpipe_init_screen_resource_funcs(&screen->base);
354 llvmpipe_init_screen_fence_funcs(&screen->base);
356 lp_jit_screen_init(screen);
358 #ifdef PIPE_OS_EMBEDDED
359 screen->num_threads = 0;
361 screen->num_threads = util_cpu_caps.nr_cpus;
363 screen->num_threads = debug_get_num_option("LP_NUM_THREADS", screen->num_threads);
364 screen->num_threads = MIN2(screen->num_threads, LP_MAX_THREADS);
366 screen->rast = lp_rast_create(screen->num_threads);
368 lp_jit_screen_cleanup(screen);
372 pipe_mutex_init(screen->rast_mutex);
374 util_format_s3tc_init();
376 return &screen->base;