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
:
62 return PIPE_MAX_VERTEX_SAMPLERS
;
63 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
64 return PIPE_MAX_SAMPLERS
+ PIPE_MAX_VERTEX_SAMPLERS
;
65 case PIPE_CAP_NPOT_TEXTURES
:
67 case PIPE_CAP_TWO_SIDED_STENCIL
:
71 case PIPE_CAP_ANISOTROPIC_FILTER
:
73 case PIPE_CAP_POINT_SPRITE
:
75 case PIPE_CAP_MAX_RENDER_TARGETS
:
76 return PIPE_MAX_COLOR_BUFS
;
77 case PIPE_CAP_OCCLUSION_QUERY
:
79 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
81 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
83 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
85 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
86 return 13; /* max 4Kx4K */
87 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
88 return 9; /* max 256x256x256 */
89 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
90 return 13; /* max 4Kx4K */
91 case PIPE_CAP_TGSI_CONT_SUPPORTED
:
93 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
102 llvmpipe_get_paramf(struct pipe_screen
*screen
, int param
)
105 case PIPE_CAP_MAX_LINE_WIDTH
:
107 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
108 return 255.0; /* arbitrary */
109 case PIPE_CAP_MAX_POINT_WIDTH
:
111 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
112 return 255.0; /* arbitrary */
113 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
114 return 16.0; /* not actually signficant at this time */
115 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
116 return 16.0; /* arbitrary */
124 * Query format support for creating a texture, drawing surface, etc.
125 * \param format the format to test
126 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
129 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
130 enum pipe_format format
,
131 enum pipe_texture_target target
,
133 unsigned geom_flags
)
135 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
136 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
137 const struct util_format_description
*format_desc
;
139 format_desc
= util_format_description(format
);
143 assert(target
== PIPE_TEXTURE_1D
||
144 target
== PIPE_TEXTURE_2D
||
145 target
== PIPE_TEXTURE_3D
||
146 target
== PIPE_TEXTURE_CUBE
);
149 case PIPE_FORMAT_DXT1_RGB
:
150 case PIPE_FORMAT_DXT1_RGBA
:
151 case PIPE_FORMAT_DXT3_RGBA
:
152 case PIPE_FORMAT_DXT5_RGBA
:
158 if(tex_usage
& PIPE_TEXTURE_USAGE_RENDER_TARGET
) {
159 if(format_desc
->block
.width
!= 1 ||
160 format_desc
->block
.height
!= 1)
163 if(format_desc
->layout
!= UTIL_FORMAT_LAYOUT_SCALAR
&&
164 format_desc
->layout
!= UTIL_FORMAT_LAYOUT_ARITH
&&
165 format_desc
->layout
!= UTIL_FORMAT_LAYOUT_ARRAY
)
168 if(format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
&&
169 format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
)
173 if(tex_usage
& PIPE_TEXTURE_USAGE_DISPLAY_TARGET
) {
174 if(!winsys
->is_displaytarget_format_supported(winsys
, format
))
178 if(tex_usage
& PIPE_TEXTURE_USAGE_DEPTH_STENCIL
) {
179 if(format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
182 /* FIXME: Temporary restriction. See lp_state_fs.c. */
183 if(format_desc
->block
.bits
!= 32)
187 /* FIXME: Temporary restrictions. See lp_bld_sample_soa.c */
188 if(tex_usage
& PIPE_TEXTURE_USAGE_SAMPLER
) {
189 if(format_desc
->block
.width
!= 1 ||
190 format_desc
->block
.height
!= 1)
193 if(format_desc
->layout
!= UTIL_FORMAT_LAYOUT_SCALAR
&&
194 format_desc
->layout
!= UTIL_FORMAT_LAYOUT_ARITH
&&
195 format_desc
->layout
!= UTIL_FORMAT_LAYOUT_ARRAY
)
198 if(format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
&&
199 format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
&&
200 format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
208 static struct pipe_buffer
*
209 llvmpipe_surface_buffer_create(struct pipe_screen
*screen
,
210 unsigned width
, unsigned height
,
211 enum pipe_format format
,
216 /* This function should never be used */
223 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
224 struct pipe_surface
*surface
,
225 void *context_private
)
227 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
228 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
229 struct llvmpipe_texture
*texture
= llvmpipe_texture(surface
->texture
);
233 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
238 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
240 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
241 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
243 lp_jit_screen_cleanup(screen
);
246 winsys
->destroy(winsys
);
254 * Create a new pipe_screen object
255 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
258 llvmpipe_create_screen(struct llvmpipe_winsys
*winsys
)
260 struct llvmpipe_screen
*screen
= CALLOC_STRUCT(llvmpipe_screen
);
265 screen
->winsys
= winsys
;
267 screen
->base
.destroy
= llvmpipe_destroy_screen
;
269 screen
->base
.get_name
= llvmpipe_get_name
;
270 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
271 screen
->base
.get_param
= llvmpipe_get_param
;
272 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
273 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
275 screen
->base
.surface_buffer_create
= llvmpipe_surface_buffer_create
;
276 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
278 llvmpipe_init_screen_texture_funcs(&screen
->base
);
279 llvmpipe_init_screen_buffer_funcs(&screen
->base
);
281 lp_jit_screen_init(screen
);
283 return &screen
->base
;