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 "pipe/p_defines.h"
31 #include "pipe/p_screen.h"
33 #include "lp_texture.h"
34 #include "lp_buffer.h"
35 #include "lp_winsys.h"
37 #include "lp_screen.h"
41 llvmpipe_get_vendor(struct pipe_screen
*screen
)
43 return "VMware, Inc.";
48 llvmpipe_get_name(struct pipe_screen
*screen
)
55 llvmpipe_get_param(struct pipe_screen
*screen
, int param
)
58 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
59 return PIPE_MAX_SAMPLERS
;
60 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
61 return PIPE_MAX_SAMPLERS
;
62 case PIPE_CAP_NPOT_TEXTURES
:
64 case PIPE_CAP_TWO_SIDED_STENCIL
:
68 case PIPE_CAP_ANISOTROPIC_FILTER
:
70 case PIPE_CAP_POINT_SPRITE
:
72 case PIPE_CAP_MAX_RENDER_TARGETS
:
73 return PIPE_MAX_COLOR_BUFS
;
74 case PIPE_CAP_OCCLUSION_QUERY
:
76 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
78 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
80 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
82 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
83 return 13; /* max 4Kx4K */
84 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
85 return 8; /* max 128x128x128 */
86 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
87 return 13; /* max 4Kx4K */
88 case PIPE_CAP_TGSI_CONT_SUPPORTED
:
90 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
99 llvmpipe_get_paramf(struct pipe_screen
*screen
, int param
)
102 case PIPE_CAP_MAX_LINE_WIDTH
:
104 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
105 return 255.0; /* arbitrary */
106 case PIPE_CAP_MAX_POINT_WIDTH
:
108 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
109 return 255.0; /* arbitrary */
110 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
111 return 16.0; /* not actually signficant at this time */
112 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
113 return 16.0; /* arbitrary */
121 * Query format support for creating a texture, drawing surface, etc.
122 * \param format the format to test
123 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
126 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
127 enum pipe_format format
,
128 enum pipe_texture_target target
,
130 unsigned geom_flags
)
132 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
133 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
135 assert(target
== PIPE_TEXTURE_1D
||
136 target
== PIPE_TEXTURE_2D
||
137 target
== PIPE_TEXTURE_3D
||
138 target
== PIPE_TEXTURE_CUBE
);
140 if(format
== PIPE_FORMAT_Z16_UNORM
)
142 if(format
== PIPE_FORMAT_S8_UNORM
)
146 case PIPE_FORMAT_DXT1_RGB
:
147 case PIPE_FORMAT_DXT1_RGBA
:
148 case PIPE_FORMAT_DXT3_RGBA
:
149 case PIPE_FORMAT_DXT5_RGBA
:
155 if(tex_usage
& PIPE_TEXTURE_USAGE_DISPLAY_TARGET
)
156 return winsys
->is_displaytarget_format_supported(winsys
, format
);
162 static struct pipe_buffer
*
163 llvmpipe_surface_buffer_create(struct pipe_screen
*screen
,
164 unsigned width
, unsigned height
,
165 enum pipe_format format
,
170 /* This function should never be used */
177 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
178 struct pipe_surface
*surface
,
179 void *context_private
)
181 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
182 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
183 struct llvmpipe_texture
*texture
= llvmpipe_texture(surface
->texture
);
187 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
192 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
194 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
195 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
197 lp_jit_screen_cleanup(screen
);
200 winsys
->destroy(winsys
);
208 * Create a new pipe_screen object
209 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
212 llvmpipe_create_screen(struct llvmpipe_winsys
*winsys
)
214 struct llvmpipe_screen
*screen
= CALLOC_STRUCT(llvmpipe_screen
);
219 screen
->winsys
= winsys
;
221 screen
->base
.destroy
= llvmpipe_destroy_screen
;
223 screen
->base
.get_name
= llvmpipe_get_name
;
224 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
225 screen
->base
.get_param
= llvmpipe_get_param
;
226 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
227 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
229 screen
->base
.surface_buffer_create
= llvmpipe_surface_buffer_create
;
230 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
232 llvmpipe_init_screen_texture_funcs(&screen
->base
);
233 llvmpipe_init_screen_buffer_funcs(&screen
->base
);
235 lp_jit_screen_init(screen
);
237 return &screen
->base
;