src/gallium/winsys/gdi/gdi_softpipe_winsys.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   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:
  13  *
  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.
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  *
  27  **************************************************************************/
  28
  29 /**
  30  * @file
  31  * LLVMpipe support.
  32  *
  33  * @author Jose Fonseca <jfonseca@vmware.com>
  34  */
  35
  36
  37 #include <windows.h>
  38
  39 #include "gdi_winsys.h"
  40 #include "softpipe/sp_texture.h"
  41
  42
  43 static struct pipe_screen *
  44 gdi_softpipe_screen_create(void)
  45 {
  46    static struct softpipe_winsys *winsys;
  47    struct pipe_screen *screen;
  48
  49    winsys = gdi_create_sw_winsys();
  50    if(!winsys)
  51       goto no_winsys;
  52
  53    screen = softpipe_create_screen(winsys);
  54    if(!screen)
  55       goto no_screen;
  56
  57    return screen;
  58
  59 no_screen:
  60    FREE(winsys);
  61 no_winsys:
  62    return NULL;
  63 }
  64
  65
  66
  67
  68 static void
  69 gdi_softpipe_present(struct pipe_screen *screen,
  70                      struct pipe_surface *surface,
  71                      HDC hDC)
  72 {
  73     struct softpipe_texture *texture;
  74     struct gdi_softpipe_displaytarget *gdt;
  75
  76     texture = softpipe_texture(surface->texture);
  77     gdt = gdi_softpipe_displaytarget(texture->dt);
  78
  79     StretchDIBits(hDC,
  80                   0, 0, gdt->width, gdt->height,
  81                   0, 0, gdt->width, gdt->height,
  82                   gdt->data, &gdt->bmi, 0, SRCCOPY);
  83 }
  84
  85
  86 static const struct stw_winsys stw_winsys = {
  87    &gdi_softpipe_screen_create,
  88    &gdi_softpipe_present,
  89    NULL, /* get_adapter_luid */
  90    NULL, /* shared_surface_open */
  91    NULL, /* shared_surface_close */
  92    NULL  /* compose */
  93 };
  94
  95
  96 BOOL WINAPI
  97 DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
  98 {
  99    switch (fdwReason) {
 100    case DLL_PROCESS_ATTACH:
 101       stw_init(&stw_winsys);
 102       stw_init_thread();
 103       break;
 104
 105    case DLL_THREAD_ATTACH:
 106       stw_init_thread();
 107       break;
 108
 109    case DLL_THREAD_DETACH:
 110       stw_cleanup_thread();
 111       break;
 112
 113    case DLL_PROCESS_DETACH:
 114       stw_cleanup_thread();
 115       stw_cleanup();
 116       break;
 117    }
 118    return TRUE;
 119 }