Mercurial > sdl-ios-xcode
view src/video/win32/SDL_win32video.c @ 4525:3abf0b9cafad
pelya 2010-07-12 03:53:48 PDT
In function GLES_RenderCopy() in SDL_renderer_gles.c:819 there is one memcpy()
that can be avoided if we're updating whole texture.
Because of that the SDL 1.3 in compatibility mode is working even slower than
software rendering in SDL 1.2.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Wed, 14 Jul 2010 07:31:35 -0700 |
parents | 9faebccfefb3 |
children | e1664f94f026 436183eb30c8 |
line wrap: on
line source
/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2010 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #include "SDL_main.h" #include "SDL_video.h" #include "SDL_mouse.h" #include "../SDL_sysvideo.h" #include "../SDL_pixels_c.h" #include "SDL_win32video.h" #include "SDL_d3drender.h" #include "SDL_gdirender.h" /* Initialization/Query functions */ static int WIN_VideoInit(_THIS); static void WIN_VideoQuit(_THIS); /* Sets an error message based on GetLastError() */ void WIN_SetError(const char *prefix) { TCHAR buffer[1024]; char *message; FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0, buffer, SDL_arraysize(buffer), NULL); message = WIN_StringToUTF8(buffer); SDL_SetError("%s%s%s", prefix ? prefix : "", prefix ? ": " : "", message); SDL_free(message); } /* WIN32 driver bootstrap functions */ static int WIN_Available(void) { return (1); } static void WIN_DeleteDevice(SDL_VideoDevice * device) { SDL_VideoData *data = (SDL_VideoData *) device->driverdata; SDL_UnregisterApp(); #if SDL_VIDEO_RENDER_D3D if (data->d3d) { IDirect3D9_Release(data->d3d); FreeLibrary(data->d3dDLL); } #endif #if SDL_VIDEO_RENDER_DDRAW if (data->ddraw) { data->ddraw->lpVtbl->Release(data->ddraw); FreeLibrary(data->ddrawDLL); } #endif SDL_free(device->driverdata); SDL_free(device); } static SDL_VideoDevice * WIN_CreateDevice(int devindex) { SDL_VideoDevice *device; SDL_VideoData *data; SDL_RegisterApp(NULL, 0, NULL); /* Initialize all variables that we clean on shutdown */ device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice)); if (device) { data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData)); } else { data = NULL; } if (!data) { SDL_OutOfMemory(); if (device) { SDL_free(device); } return NULL; } device->driverdata = data; #if SDL_VIDEO_RENDER_D3D data->d3dDLL = LoadLibrary(TEXT("D3D9.DLL")); if (data->d3dDLL) { IDirect3D9 *(WINAPI * D3DCreate) (UINT SDKVersion); D3DCreate = (IDirect3D9 * (WINAPI *) (UINT)) GetProcAddress(data->d3dDLL, "Direct3DCreate9"); if (D3DCreate) { data->d3d = D3DCreate(D3D_SDK_VERSION); } if (!data->d3d) { FreeLibrary(data->d3dDLL); data->d3dDLL = NULL; } } #endif /* SDL_VIDEO_RENDER_D3D */ #if SDL_VIDEO_RENDER_DDRAW data->ddrawDLL = LoadLibrary(TEXT("ddraw.dll")); if (data->ddrawDLL) { IDirectDraw *(WINAPI * DDCreate) (GUID FAR * lpGUID, LPDIRECTDRAW FAR * lplpDD, IUnknown FAR * pUnkOuter); DDCreate = (IDirectDraw * (WINAPI *) (GUID FAR *, LPDIRECTDRAW FAR *, IUnknown FAR *)) GetProcAddress(data->ddrawDLL, TEXT("DirectDrawCreate")); if (!DDCreate || DDCreate(NULL, &data->ddraw, NULL) != DD_OK) { FreeLibrary(data->ddrawDLL); data->ddrawDLL = NULL; data->ddraw = NULL; } } #endif /* SDL_VIDEO_RENDER_DDRAW */ /* Set the function pointers */ device->VideoInit = WIN_VideoInit; device->VideoQuit = WIN_VideoQuit; device->GetDisplayBounds = WIN_GetDisplayBounds; device->GetDisplayModes = WIN_GetDisplayModes; device->SetDisplayMode = WIN_SetDisplayMode; device->SetDisplayGammaRamp = WIN_SetDisplayGammaRamp; device->GetDisplayGammaRamp = WIN_GetDisplayGammaRamp; device->PumpEvents = WIN_PumpEvents; #undef CreateWindow device->CreateWindow = WIN_CreateWindow; device->CreateWindowFrom = WIN_CreateWindowFrom; device->SetWindowTitle = WIN_SetWindowTitle; device->SetWindowIcon = WIN_SetWindowIcon; device->SetWindowPosition = WIN_SetWindowPosition; device->SetWindowSize = WIN_SetWindowSize; device->ShowWindow = WIN_ShowWindow; device->HideWindow = WIN_HideWindow; device->RaiseWindow = WIN_RaiseWindow; device->MaximizeWindow = WIN_MaximizeWindow; device->MinimizeWindow = WIN_MinimizeWindow; device->RestoreWindow = WIN_RestoreWindow; device->SetWindowGrab = WIN_SetWindowGrab; device->DestroyWindow = WIN_DestroyWindow; device->GetWindowWMInfo = WIN_GetWindowWMInfo; #ifdef SDL_VIDEO_OPENGL_WGL device->GL_LoadLibrary = WIN_GL_LoadLibrary; device->GL_GetProcAddress = WIN_GL_GetProcAddress; device->GL_UnloadLibrary = WIN_GL_UnloadLibrary; device->GL_CreateContext = WIN_GL_CreateContext; device->GL_MakeCurrent = WIN_GL_MakeCurrent; device->GL_SetSwapInterval = WIN_GL_SetSwapInterval; device->GL_GetSwapInterval = WIN_GL_GetSwapInterval; device->GL_SwapWindow = WIN_GL_SwapWindow; device->GL_DeleteContext = WIN_GL_DeleteContext; #endif device->SetClipboardText = WIN_SetClipboardText; device->GetClipboardText = WIN_GetClipboardText; device->HasClipboardText = WIN_HasClipboardText; device->free = WIN_DeleteDevice; return device; } VideoBootStrap WIN32_bootstrap = { "win32", "SDL Win32/64 video driver", WIN_Available, WIN_CreateDevice }; int WIN_VideoInit(_THIS) { if (WIN_InitModes(_this) < 0) { return -1; } #if SDL_VIDEO_RENDER_D3D D3D_AddRenderDriver(_this); #endif #if SDL_VIDEO_RENDER_DDRAW DDRAW_AddRenderDriver(_this); #endif #if SDL_VIDEO_RENDER_GDI GDI_AddRenderDriver(_this); #endif #if SDL_VIDEO_RENDER_GAPI GAPI_AddRenderDriver(_this); #endif WIN_InitKeyboard(_this); WIN_InitMouse(_this); return 0; } void WIN_VideoQuit(_THIS) { WIN_QuitModes(_this); WIN_QuitKeyboard(_this); WIN_QuitMouse(_this); } /* vim: set ts=4 sw=4 expandtab: */