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_s3tc.h"
31 #include "pipe/p_defines.h"
32 #include "pipe/p_screen.h"
34 #include "state_tracker/sw_winsys.h"
36 #include "sp_texture.h"
37 #include "sp_screen.h"
38 #include "sp_context.h"
40 #include "sp_public.h"
44 softpipe_get_vendor(struct pipe_screen *screen)
46 return "VMware, Inc.";
51 softpipe_get_name(struct pipe_screen *screen)
58 softpipe_get_param(struct pipe_screen *screen, int param)
61 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
62 return PIPE_MAX_SAMPLERS;
63 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
64 return PIPE_MAX_VERTEX_SAMPLERS;
65 case PIPE_CAP_MAX_COMBINED_SAMPLERS:
66 return PIPE_MAX_SAMPLERS + PIPE_MAX_VERTEX_SAMPLERS;
67 case PIPE_CAP_NPOT_TEXTURES:
69 case PIPE_CAP_TWO_SIDED_STENCIL:
73 case PIPE_CAP_ANISOTROPIC_FILTER:
75 case PIPE_CAP_POINT_SPRITE:
77 case PIPE_CAP_MAX_RENDER_TARGETS:
78 return PIPE_MAX_COLOR_BUFS;
79 case PIPE_CAP_OCCLUSION_QUERY:
81 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
83 case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
85 case PIPE_CAP_TEXTURE_SHADOW_MAP:
87 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
88 return SP_MAX_TEXTURE_2D_LEVELS;
89 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
90 return SP_MAX_TEXTURE_3D_LEVELS;
91 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
92 return SP_MAX_TEXTURE_2D_LEVELS;
93 case PIPE_CAP_TGSI_CONT_SUPPORTED:
95 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
97 case PIPE_CAP_MAX_CONST_BUFFERS:
98 return PIPE_MAX_CONSTANT_BUFFERS;
99 case PIPE_CAP_MAX_CONST_BUFFER_SIZE:
100 return 4096 * 4 * sizeof(float);
101 case PIPE_CAP_INDEP_BLEND_ENABLE:
103 case PIPE_CAP_INDEP_BLEND_FUNC:
105 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
106 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
107 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
108 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
117 softpipe_get_paramf(struct pipe_screen *screen, int param)
120 case PIPE_CAP_MAX_LINE_WIDTH:
122 case PIPE_CAP_MAX_LINE_WIDTH_AA:
123 return 255.0; /* arbitrary */
124 case PIPE_CAP_MAX_POINT_WIDTH:
126 case PIPE_CAP_MAX_POINT_WIDTH_AA:
127 return 255.0; /* arbitrary */
128 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
129 return 16.0; /* not actually signficant at this time */
130 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
131 return 16.0; /* arbitrary */
139 * Query format support for creating a texture, drawing surface, etc.
140 * \param format the format to test
141 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
144 softpipe_is_format_supported( struct pipe_screen *screen,
145 enum pipe_format format,
146 enum pipe_texture_target target,
148 unsigned geom_flags )
150 struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
152 assert(target == PIPE_TEXTURE_1D ||
153 target == PIPE_TEXTURE_2D ||
154 target == PIPE_TEXTURE_3D ||
155 target == PIPE_TEXTURE_CUBE);
158 case PIPE_FORMAT_YUYV:
159 case PIPE_FORMAT_UYVY:
162 case PIPE_FORMAT_DXT1_RGB:
163 case PIPE_FORMAT_DXT1_RGBA:
164 case PIPE_FORMAT_DXT3_RGBA:
165 case PIPE_FORMAT_DXT5_RGBA:
166 return util_format_s3tc_enabled;
168 case PIPE_FORMAT_Z32_FLOAT:
169 case PIPE_FORMAT_NONE:
176 if(tex_usage & (PIPE_BIND_DISPLAY_TARGET |
179 if(!winsys->is_displaytarget_format_supported(winsys, tex_usage, format))
183 /* XXX: this is often a lie. Pull in logic from llvmpipe to fix.
190 softpipe_destroy_screen( struct pipe_screen *screen )
192 struct softpipe_screen *sp_screen = softpipe_screen(screen);
193 struct sw_winsys *winsys = sp_screen->winsys;
196 winsys->destroy(winsys);
202 /* This is often overriden by the co-state tracker.
205 softpipe_flush_frontbuffer(struct pipe_screen *_screen,
206 struct pipe_surface *surface,
207 void *context_private)
209 struct softpipe_screen *screen = softpipe_screen(_screen);
210 struct sw_winsys *winsys = screen->winsys;
211 struct softpipe_resource *texture = softpipe_resource(surface->texture);
215 winsys->displaytarget_display(winsys, texture->dt, context_private);
219 * Create a new pipe_screen object
220 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
223 softpipe_create_screen(struct sw_winsys *winsys)
225 struct softpipe_screen *screen = CALLOC_STRUCT(softpipe_screen);
230 screen->winsys = winsys;
232 screen->base.winsys = NULL;
233 screen->base.destroy = softpipe_destroy_screen;
235 screen->base.get_name = softpipe_get_name;
236 screen->base.get_vendor = softpipe_get_vendor;
237 screen->base.get_param = softpipe_get_param;
238 screen->base.get_paramf = softpipe_get_paramf;
239 screen->base.is_format_supported = softpipe_is_format_supported;
240 screen->base.context_create = softpipe_create_context;
241 screen->base.flush_frontbuffer = softpipe_flush_frontbuffer;
243 util_format_s3tc_init();
245 softpipe_init_screen_texture_funcs(&screen->base);
246 softpipe_init_screen_fence_funcs(&screen->base);
248 return &screen->base;