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_winsys.h"
31 #include "pipe/p_inlines.h"
32 #include "util/u_string.h"
35 #include "i915_context.h"
36 #include "i915_screen.h"
37 #include "i915_texture.h"
41 i915_get_vendor( struct pipe_screen
*pscreen
)
43 return "Tungsten Graphics, Inc.";
48 i915_get_name( struct pipe_screen
*pscreen
)
50 static char buffer
[128];
53 switch (i915_screen(pscreen
)->pci_id
) {
57 case PCI_CHIP_I915_GM
:
63 case PCI_CHIP_I945_GM
:
66 case PCI_CHIP_I945_GME
:
83 util_snprintf(buffer
, sizeof(buffer
), "i915 (chipset: %s)", chipset
);
89 i915_get_param(struct pipe_screen
*screen
, int param
)
92 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
94 case PIPE_CAP_NPOT_TEXTURES
:
96 case PIPE_CAP_TWO_SIDED_STENCIL
:
102 case PIPE_CAP_ANISOTROPIC_FILTER
:
104 case PIPE_CAP_POINT_SPRITE
:
106 case PIPE_CAP_MAX_RENDER_TARGETS
:
108 case PIPE_CAP_OCCLUSION_QUERY
:
110 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
112 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
113 return 11; /* max 1024x1024 */
114 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
115 return 8; /* max 128x128x128 */
116 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
117 return 11; /* max 1024x1024 */
125 i915_get_paramf(struct pipe_screen
*screen
, int param
)
128 case PIPE_CAP_MAX_LINE_WIDTH
:
130 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
133 case PIPE_CAP_MAX_POINT_WIDTH
:
135 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
138 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
141 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
151 i915_is_format_supported( struct pipe_screen
*screen
,
152 enum pipe_format format
,
153 enum pipe_texture_target target
,
155 unsigned geom_flags
)
157 static const enum pipe_format tex_supported
[] = {
158 PIPE_FORMAT_R8G8B8A8_UNORM
,
159 PIPE_FORMAT_A8R8G8B8_UNORM
,
160 PIPE_FORMAT_R5G6B5_UNORM
,
161 PIPE_FORMAT_L8_UNORM
,
162 PIPE_FORMAT_A8_UNORM
,
163 PIPE_FORMAT_I8_UNORM
,
164 PIPE_FORMAT_A8L8_UNORM
,
166 PIPE_FORMAT_YCBCR_REV
,
167 PIPE_FORMAT_S8Z24_UNORM
,
168 PIPE_FORMAT_NONE
/* list terminator */
170 static const enum pipe_format surface_supported
[] = {
171 PIPE_FORMAT_A8R8G8B8_UNORM
,
172 PIPE_FORMAT_R5G6B5_UNORM
,
173 PIPE_FORMAT_S8Z24_UNORM
,
174 /*PIPE_FORMAT_R16G16B16A16_SNORM,*/
175 PIPE_FORMAT_NONE
/* list terminator */
177 const enum pipe_format
*list
;
180 if(tex_usage
& PIPE_TEXTURE_USAGE_RENDER_TARGET
)
181 list
= surface_supported
;
183 list
= tex_supported
;
185 for (i
= 0; list
[i
] != PIPE_FORMAT_NONE
; i
++) {
186 if (list
[i
] == format
)
195 i915_destroy_screen( struct pipe_screen
*screen
)
197 struct pipe_winsys
*winsys
= screen
->winsys
;
200 winsys
->destroy(winsys
);
207 i915_surface_map( struct pipe_screen
*screen
,
208 struct pipe_surface
*surface
,
211 char *map
= pipe_buffer_map( screen
, surface
->buffer
, flags
);
215 if (surface
->texture
&&
216 (flags
& PIPE_BUFFER_USAGE_CPU_WRITE
))
218 /* Do something to notify contexts of a texture change.
220 /* i915_screen(screen)->timestamp++; */
223 return map
+ surface
->offset
;
227 i915_surface_unmap(struct pipe_screen
*screen
,
228 struct pipe_surface
*surface
)
230 pipe_buffer_unmap( screen
, surface
->buffer
);
236 * Create a new i915_screen object
239 i915_create_screen(struct pipe_winsys
*winsys
, uint pci_id
)
241 struct i915_screen
*i915screen
= CALLOC_STRUCT(i915_screen
);
247 case PCI_CHIP_I915_G
:
248 case PCI_CHIP_I915_GM
:
249 i915screen
->is_i945
= FALSE
;
252 case PCI_CHIP_I945_G
:
253 case PCI_CHIP_I945_GM
:
254 case PCI_CHIP_I945_GME
:
258 i915screen
->is_i945
= TRUE
;
262 debug_printf("%s: unknown pci id 0x%x, cannot create screen\n",
263 __FUNCTION__
, pci_id
);
267 i915screen
->pci_id
= pci_id
;
269 i915screen
->screen
.winsys
= winsys
;
271 i915screen
->screen
.destroy
= i915_destroy_screen
;
273 i915screen
->screen
.get_name
= i915_get_name
;
274 i915screen
->screen
.get_vendor
= i915_get_vendor
;
275 i915screen
->screen
.get_param
= i915_get_param
;
276 i915screen
->screen
.get_paramf
= i915_get_paramf
;
277 i915screen
->screen
.is_format_supported
= i915_is_format_supported
;
278 i915screen
->screen
.surface_map
= i915_surface_map
;
279 i915screen
->screen
.surface_unmap
= i915_surface_unmap
;
281 i915_init_screen_texture_functions(&i915screen
->screen
);
283 return &i915screen
->screen
;