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/**************************************************************************
*
* Copyright 2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
#include "gdi/gdi_sw_winsys.h"
#include "pipe/p_screen.h"
#include "state_tracker/graw.h"
#include "target-helpers/inline_debug_helper.h"
#include "target-helpers/inline_sw_helper.h"
#include <windows.h>
static LRESULT CALLBACK
window_proc(HWND hWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
switch (uMsg) {
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
return 0;
}
static struct {
void (* draw)(void);
} graw;
struct pipe_screen *
graw_create_window_and_screen(int x,
int y,
unsigned width,
unsigned height,
enum pipe_format format,
void **handle)
{
struct sw_winsys *winsys = NULL;
struct pipe_screen *screen = NULL;
WNDCLASSEX wc;
UINT style = WS_VISIBLE | WS_TILEDWINDOW;
RECT rect;
HWND hWnd = NULL;
HDC hDC = NULL;
if (format != PIPE_FORMAT_R8G8B8A8_UNORM)
goto fail;
winsys = gdi_create_sw_winsys();
if (winsys == NULL)
goto fail;
screen = sw_screen_create(winsys);
if (screen == NULL)
goto fail;
memset(&wc, 0, sizeof wc);
wc.cbSize = sizeof wc;
wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = window_proc;
wc.lpszClassName = "graw-gdi";
wc.hInstance = GetModuleHandle(NULL);
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
RegisterClassEx(&wc);
SetRect(&rect, 0, 0, width, height);
AdjustWindowRectEx(&rect, style, FALSE, 0);
hWnd = CreateWindowEx(0,
wc.lpszClassName,
wc.lpszClassName,
style,
x,
y,
rect.right - rect.left,
rect.bottom - rect.top,
NULL,
NULL,
wc.hInstance,
0);
if (hWnd == NULL)
goto fail;
hDC = GetDC(hWnd);
if (hDC == NULL)
goto fail;
*handle = (void *)hDC;
return debug_screen_wrap(screen);
fail:
if (hWnd)
DestroyWindow(hWnd);
if (screen)
screen->destroy(screen);
return NULL;
}
void
graw_set_display_func(void (* draw)(void))
{
graw.draw = draw;
}
void
graw_main_loop(void)
{
for (;;) {
MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
if (msg.message == WM_QUIT) {
return;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if (graw.draw) {
graw.draw();
}
Sleep(0);
}
}
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