1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
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 SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
27 **************************************************************************/
33 * @author Jose Fonseca <jfonseca@vmware.com>
39 #include "pipe/p_format.h"
40 #include "pipe/p_context.h"
41 #include "util/u_inlines.h"
42 #include "util/u_format.h"
43 #include "util/u_math.h"
44 #include "util/u_memory.h"
45 #include "llvmpipe/lp_winsys.h"
46 #include "llvmpipe/lp_texture.h"
47 #include "stw_winsys.h"
50 struct gdi_llvmpipe_displaytarget
52 enum pipe_format format
;
66 static INLINE
struct gdi_llvmpipe_displaytarget
*
67 gdi_llvmpipe_displaytarget( struct llvmpipe_displaytarget
*buf
)
69 return (struct gdi_llvmpipe_displaytarget
*)buf
;
74 gdi_llvmpipe_is_displaytarget_format_supported( struct llvmpipe_winsys
*ws
,
75 enum pipe_format format
)
78 case PIPE_FORMAT_B8G8R8X8_UNORM
:
79 case PIPE_FORMAT_B8G8R8A8_UNORM
:
82 /* TODO: Support other formats possible with BMPs, as described in
83 * http://msdn.microsoft.com/en-us/library/dd183376(VS.85).aspx */
92 gdi_llvmpipe_displaytarget_map(struct llvmpipe_winsys
*ws
,
93 struct llvmpipe_displaytarget
*dt
,
96 struct gdi_llvmpipe_displaytarget
*gdt
= gdi_llvmpipe_displaytarget(dt
);
103 gdi_llvmpipe_displaytarget_unmap(struct llvmpipe_winsys
*ws
,
104 struct llvmpipe_displaytarget
*dt
)
111 gdi_llvmpipe_displaytarget_destroy(struct llvmpipe_winsys
*winsys
,
112 struct llvmpipe_displaytarget
*dt
)
114 struct gdi_llvmpipe_displaytarget
*gdt
= gdi_llvmpipe_displaytarget(dt
);
116 align_free(gdt
->data
);
121 static struct llvmpipe_displaytarget
*
122 gdi_llvmpipe_displaytarget_create(struct llvmpipe_winsys
*winsys
,
123 enum pipe_format format
,
124 unsigned width
, unsigned height
,
128 struct gdi_llvmpipe_displaytarget
*gdt
;
132 gdt
= CALLOC_STRUCT(gdi_llvmpipe_displaytarget
);
136 gdt
->format
= format
;
138 gdt
->height
= height
;
140 bpp
= util_format_get_blocksizebits(format
);
141 cpp
= util_format_get_blocksize(format
);
143 gdt
->stride
= align(width
* cpp
, alignment
);
144 gdt
->size
= gdt
->stride
* height
;
146 gdt
->data
= align_malloc(gdt
->size
, alignment
);
150 gdt
->bmi
.bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
151 gdt
->bmi
.bmiHeader
.biWidth
= gdt
->stride
/ cpp
;
152 gdt
->bmi
.bmiHeader
.biHeight
= -(long)height
;
153 gdt
->bmi
.bmiHeader
.biPlanes
= 1;
154 gdt
->bmi
.bmiHeader
.biBitCount
= bpp
;
155 gdt
->bmi
.bmiHeader
.biCompression
= BI_RGB
;
156 gdt
->bmi
.bmiHeader
.biSizeImage
= 0;
157 gdt
->bmi
.bmiHeader
.biXPelsPerMeter
= 0;
158 gdt
->bmi
.bmiHeader
.biYPelsPerMeter
= 0;
159 gdt
->bmi
.bmiHeader
.biClrUsed
= 0;
160 gdt
->bmi
.bmiHeader
.biClrImportant
= 0;
162 *stride
= gdt
->stride
;
163 return (struct llvmpipe_displaytarget
*)gdt
;
173 gdi_llvmpipe_displaytarget_display(struct llvmpipe_winsys
*winsys
,
174 struct llvmpipe_displaytarget
*dt
,
175 void *context_private
)
182 gdi_llvmpipe_destroy(struct llvmpipe_winsys
*winsys
)
188 static struct pipe_screen
*
189 gdi_llvmpipe_screen_create(void)
191 static struct llvmpipe_winsys
*winsys
;
192 struct pipe_screen
*screen
;
194 winsys
= CALLOC_STRUCT(llvmpipe_winsys
);
198 winsys
->destroy
= gdi_llvmpipe_destroy
;
199 winsys
->is_displaytarget_format_supported
= gdi_llvmpipe_is_displaytarget_format_supported
;
200 winsys
->displaytarget_create
= gdi_llvmpipe_displaytarget_create
;
201 winsys
->displaytarget_map
= gdi_llvmpipe_displaytarget_map
;
202 winsys
->displaytarget_unmap
= gdi_llvmpipe_displaytarget_unmap
;
203 winsys
->displaytarget_display
= gdi_llvmpipe_displaytarget_display
;
204 winsys
->displaytarget_destroy
= gdi_llvmpipe_displaytarget_destroy
;
206 screen
= llvmpipe_create_screen(winsys
);
222 gdi_llvmpipe_present(struct pipe_screen
*screen
,
223 struct pipe_surface
*surface
,
226 struct llvmpipe_texture
*texture
;
227 struct gdi_llvmpipe_displaytarget
*gdt
;
229 texture
= llvmpipe_texture(surface
->texture
);
230 gdt
= gdi_llvmpipe_displaytarget(texture
->dt
);
233 0, 0, gdt
->width
, gdt
->height
,
234 0, 0, gdt
->width
, gdt
->height
,
235 gdt
->data
, &gdt
->bmi
, 0, SRCCOPY
);
239 static const struct stw_winsys stw_winsys
= {
240 &gdi_llvmpipe_screen_create
,
241 &gdi_llvmpipe_present
,
242 NULL
, /* get_adapter_luid */
243 NULL
, /* shared_surface_open */
244 NULL
, /* shared_surface_close */
250 DllMain(HINSTANCE hinstDLL
, DWORD fdwReason
, LPVOID lpReserved
)
253 case DLL_PROCESS_ATTACH
:
254 stw_init(&stw_winsys
);
258 case DLL_THREAD_ATTACH
:
262 case DLL_THREAD_DETACH
:
263 stw_cleanup_thread();
266 case DLL_PROCESS_DETACH
:
267 stw_cleanup_thread();