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 "pipe/p_defines.h"
32 #include "pipe/p_screen.h"
34 #include "lp_texture.h"
35 #include "lp_buffer.h"
36 #include "lp_winsys.h"
38 #include "lp_screen.h"
42 llvmpipe_get_vendor(struct pipe_screen
*screen
)
44 return "VMware, Inc.";
49 llvmpipe_get_name(struct pipe_screen
*screen
)
56 llvmpipe_get_param(struct pipe_screen
*screen
, int param
)
59 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
60 return PIPE_MAX_SAMPLERS
;
61 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
63 case PIPE_CAP_NPOT_TEXTURES
:
65 case PIPE_CAP_TWO_SIDED_STENCIL
:
69 case PIPE_CAP_ANISOTROPIC_FILTER
:
71 case PIPE_CAP_POINT_SPRITE
:
73 case PIPE_CAP_MAX_RENDER_TARGETS
:
74 return PIPE_MAX_COLOR_BUFS
;
75 case PIPE_CAP_OCCLUSION_QUERY
:
77 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
79 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
81 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
83 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
84 return 13; /* max 4Kx4K */
85 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
86 return 9; /* max 256x256x256 */
87 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
88 return 13; /* max 4Kx4K */
89 case PIPE_CAP_TGSI_CONT_SUPPORTED
:
91 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
100 llvmpipe_get_paramf(struct pipe_screen
*screen
, int param
)
103 case PIPE_CAP_MAX_LINE_WIDTH
:
105 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
106 return 255.0; /* arbitrary */
107 case PIPE_CAP_MAX_POINT_WIDTH
:
109 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
110 return 255.0; /* arbitrary */
111 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
112 return 16.0; /* not actually signficant at this time */
113 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
114 return 16.0; /* arbitrary */
122 * Query format support for creating a texture, drawing surface, etc.
123 * \param format the format to test
124 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
127 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
128 enum pipe_format format
,
129 enum pipe_texture_target target
,
131 unsigned geom_flags
)
133 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
134 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
135 const struct util_format_description
*format_desc
;
137 format_desc
= util_format_description(format
);
141 assert(target
== PIPE_TEXTURE_1D
||
142 target
== PIPE_TEXTURE_2D
||
143 target
== PIPE_TEXTURE_3D
||
144 target
== PIPE_TEXTURE_CUBE
);
147 case PIPE_FORMAT_DXT1_RGB
:
148 case PIPE_FORMAT_DXT1_RGBA
:
149 case PIPE_FORMAT_DXT3_RGBA
:
150 case PIPE_FORMAT_DXT5_RGBA
:
156 if(tex_usage
& PIPE_TEXTURE_USAGE_RENDER_TARGET
) {
157 if(format_desc
->block
.width
!= 1 ||
158 format_desc
->block
.height
!= 1)
161 if(format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
164 if(format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
&&
165 format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
)
169 if(tex_usage
& PIPE_TEXTURE_USAGE_DISPLAY_TARGET
) {
170 if(!winsys
->is_displaytarget_format_supported(winsys
, format
))
174 if(tex_usage
& PIPE_TEXTURE_USAGE_DEPTH_STENCIL
) {
175 if(format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
178 /* FIXME: Temporary restriction. See lp_state_fs.c. */
179 if(format_desc
->block
.bits
!= 32)
183 /* FIXME: Temporary restrictions. See lp_bld_sample_soa.c */
184 if(tex_usage
& PIPE_TEXTURE_USAGE_SAMPLER
) {
185 if(format_desc
->block
.width
!= 1 ||
186 format_desc
->block
.height
!= 1)
189 if(format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
192 if(format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
&&
193 format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
&&
194 format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
202 static struct pipe_buffer
*
203 llvmpipe_surface_buffer_create(struct pipe_screen
*screen
,
204 unsigned width
, unsigned height
,
205 enum pipe_format format
,
210 /* This function should never be used */
217 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
218 struct pipe_surface
*surface
,
219 void *context_private
)
221 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
222 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
223 struct llvmpipe_texture
*texture
= llvmpipe_texture(surface
->texture
);
227 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
232 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
234 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
235 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
237 lp_jit_screen_cleanup(screen
);
240 winsys
->destroy(winsys
);
248 * Create a new pipe_screen object
249 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
252 llvmpipe_create_screen(struct llvmpipe_winsys
*winsys
)
254 struct llvmpipe_screen
*screen
= CALLOC_STRUCT(llvmpipe_screen
);
259 screen
->winsys
= winsys
;
261 screen
->base
.destroy
= llvmpipe_destroy_screen
;
263 screen
->base
.get_name
= llvmpipe_get_name
;
264 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
265 screen
->base
.get_param
= llvmpipe_get_param
;
266 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
267 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
269 screen
->base
.surface_buffer_create
= llvmpipe_surface_buffer_create
;
270 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
272 llvmpipe_init_screen_texture_funcs(&screen
->base
);
273 llvmpipe_init_screen_buffer_funcs(&screen
->base
);
275 lp_jit_screen_init(screen
);
277 return &screen
->base
;