sdl-ios-xcode: src/video/windows/SDL_windowsframebuffer.c annotate

annotate src/video/windows/SDL_windowsframebuffer.c @ 5284:96a22141cf86 tip

Changed output directory of Universal libSDL.a for iOS to respect build configurations. Template generator was updated to reflect these changes as well.

author	Eric Wing <ewing . public \|-at-\| gmail . com>
date	Sat, 12 Feb 2011 21:52:30 -0800
parents	b530ef003506
children

rev	line source
5178 9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
5267 b530ef003506 Happy 2011! :) Sam Lantinga <slouken@libsdl.org> parents: 5184 diff changeset	3 Copyright (C) 1997-2011 Sam Lantinga
5178 9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #include "SDL_windowsvideo.h"
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
5181 4191af605cb0 Fixed compiling on Windows CE Sam Lantinga <slouken@libsdl.org> parents: 5179 diff changeset	26 #ifndef _WIN32_WCE
5179 6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	27 #define HAVE_GETDIBITS
5181 4191af605cb0 Fixed compiling on Windows CE Sam Lantinga <slouken@libsdl.org> parents: 5179 diff changeset	28 #endif
5178 9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 int WIN_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 {
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 SDL_WindowData data = (SDL_WindowData ) window->driverdata;
5179 6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	33 size_t size;
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	34 LPBITMAPINFO info;
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	35 #ifdef HAVE_GETDIBITS
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	36 HBITMAP hbm;
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	37 #endif
5178 9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 /* Free the old framebuffer surface */
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 if (data->mdc) {
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 DeleteDC(data->mdc);
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 }
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 if (data->hbm) {
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 DeleteObject(data->hbm);
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 }
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46
5179 6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	47 /* Find out the format of the screen */
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	48 size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	49 info = (LPBITMAPINFO)SDL_stack_alloc(Uint8, size);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	50
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	51 #ifdef HAVE_GETDIBITS
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	52 SDL_memset(info, 0, size);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	53 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	54
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	55 /* The second call to GetDIBits() fills in the bitfields */
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	56 hbm = CreateCompatibleBitmap(data->hdc, 1, 1);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	57 GetDIBits(data->hdc, hbm, 0, 0, NULL, info, DIB_RGB_COLORS);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	58 GetDIBits(data->hdc, hbm, 0, 0, NULL, info, DIB_RGB_COLORS);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	59 DeleteObject(hbm);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	60
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	61 *format = SDL_PIXELFORMAT_UNKNOWN;
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	62 if (info->bmiHeader.biCompression == BI_BITFIELDS) {
5184 d2652aafafbb The format detection code works better with 555 and 565 pixel formats Sam Lantinga <slouken@libsdl.org> parents: 5181 diff changeset	63 int bpp;
5179 6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	64 Uint32 *masks;
5178 9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65
5184 d2652aafafbb The format detection code works better with 555 and 565 pixel formats Sam Lantinga <slouken@libsdl.org> parents: 5181 diff changeset	66 bpp = info->bmiHeader.biPlanes * info->bmiHeader.biBitCount;
5179 6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	67 masks = (Uint32)((Uint8)info + info->bmiHeader.biSize);
5184 d2652aafafbb The format detection code works better with 555 and 565 pixel formats Sam Lantinga <slouken@libsdl.org> parents: 5181 diff changeset	68 *format = SDL_MasksToPixelFormatEnum(bpp, masks[0], masks[1], masks[2], 0);
5179 6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	69 }
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	70 if (*format == SDL_PIXELFORMAT_UNKNOWN)
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	71 #endif
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	72 {
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	73 /* We'll use RGB format for now */
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	74 *format = SDL_PIXELFORMAT_RGB888;
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	75
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	76 /* Create a new one */
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	77 SDL_memset(info, 0, size);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	78 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	79 info->bmiHeader.biPlanes = 1;
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	80 info->bmiHeader.biBitCount = 32;
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	81 info->bmiHeader.biCompression = BI_RGB;
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	82 }
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	83
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	84 /* Fill in the size information */
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	85 pitch = (((window->w SDL_BYTESPERPIXEL(*format)) + 3) & ~3);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	86 info->bmiHeader.biWidth = window->w;
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	87 info->bmiHeader.biHeight = -window->h; /* negative for topdown bitmap */
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	88 info->bmiHeader.biSizeImage = window->h * (*pitch);
5178 9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 data->mdc = CreateCompatibleDC(data->hdc);
5179 6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	91 data->hbm = CreateDIBSection(data->hdc, info, DIB_RGB_COLORS, pixels, NULL, 0);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	92 SDL_stack_free(info);
6d37aa594ecd Use the exact format of the window if possible, for speed. Sam Lantinga <slouken@libsdl.org> parents: 5178 diff changeset	93
5178 9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 if (!data->hbm) {
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 WIN_SetError("Unable to create DIB");
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 return -1;
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 }
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 SelectObject(data->mdc, data->hbm);
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 return 0;
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 }
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 int WIN_UpdateWindowFramebuffer(_THIS, SDL_Window * window, int numrects, SDL_Rect * rects)
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 {
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 SDL_WindowData data = (SDL_WindowData ) window->driverdata;
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 BitBlt(data->hdc, 0, 0, window->w, window->h, data->mdc, 0, 0, SRCCOPY);
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 return 0;
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 }
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 void WIN_DestroyWindowFramebuffer(_THIS, SDL_Window * window)
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 {
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 SDL_WindowData data = (SDL_WindowData ) window->driverdata;
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 if (data->mdc) {
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 DeleteDC(data->mdc);
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 data->mdc = NULL;
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 }
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 if (data->hbm) {
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 DeleteObject(data->hbm);
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 data->hbm = NULL;
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 }
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 }
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124
9b2e99ebd099 Added the Windows framebuffer implementation. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/windows/SDL_windowsframebuffer.c @ 5284:96a22141cf86 tip