1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 extern "C" { 6 #if defined(GLES2_CONFORM_SUPPORT_ONLY) 7 #include "gpu/gles2_conform_support/gtf/gtf_stubs.h" 8 #else 9 #include "third_party/gles2_conform/GTF_ES/glsl/GTF/Source/eglNative.h" 10 #endif 11 } 12 13 #include <string> 14 15 namespace { 16 LPCTSTR kWindowClassName = TEXT("ES2CONFORM"); 17 18 LRESULT CALLBACK WindowProc(HWND hwnd, UINT msg, 19 WPARAM w_param, LPARAM l_param) { 20 LRESULT result = 0; 21 switch (msg) { 22 case WM_CLOSE: 23 ::DestroyWindow(hwnd); 24 break; 25 case WM_DESTROY: 26 ::PostQuitMessage(0); 27 break; 28 case WM_ERASEBKGND: 29 // Return a non-zero value to indicate that the background has been 30 // erased. 31 result = 1; 32 break; 33 default: 34 result = ::DefWindowProc(hwnd, msg, w_param, l_param); 35 break; 36 } 37 return result; 38 } 39 } // namespace. 40 41 extern "C" { 42 43 GTFbool GTFNativeCreateDisplay(EGLNativeDisplayType *pNativeDisplay) { 44 *pNativeDisplay = EGL_DEFAULT_DISPLAY; 45 return GTFtrue; 46 } 47 48 void GTFNativeDestroyDisplay(EGLNativeDisplayType nativeDisplay) { 49 // Nothing to destroy since we are using EGL_DEFAULT_DISPLAY 50 } 51 52 GTFbool GTFNativeCreateWindow(EGLNativeDisplayType nativeDisplay, 53 EGLDisplay eglDisplay, EGLConfig eglConfig, 54 const char* title, int width, int height, 55 EGLNativeWindowType *pNativeWindow) { 56 WNDCLASS wnd_class = {0}; 57 HINSTANCE instance = GetModuleHandle(NULL); 58 wnd_class.style = CS_OWNDC; 59 wnd_class.lpfnWndProc = WindowProc; 60 wnd_class.hInstance = instance; 61 wnd_class.hbrBackground = 62 reinterpret_cast<HBRUSH>(GetStockObject(BLACK_BRUSH)); 63 wnd_class.lpszClassName = kWindowClassName; 64 if (!RegisterClass(&wnd_class)) 65 return GTFfalse; 66 67 DWORD wnd_style = WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN; 68 RECT wnd_rect; 69 wnd_rect.left = 0; 70 wnd_rect.top = 0; 71 wnd_rect.right = width; 72 wnd_rect.bottom = height; 73 if (!AdjustWindowRect(&wnd_rect, wnd_style, FALSE)) 74 return GTFfalse; 75 76 #ifdef UNICODE 77 // Convert ascii string to wide string. 78 const std::wstring wnd_title(title, title + strlen(title)); 79 #else 80 const std::string wnd_title = title; 81 #endif // UNICODE 82 83 HWND hwnd = CreateWindow( 84 wnd_class.lpszClassName, 85 wnd_title.c_str(), 86 wnd_style, 87 0, 88 0, 89 wnd_rect.right - wnd_rect.left, 90 wnd_rect.bottom - wnd_rect.top, 91 NULL, 92 NULL, 93 instance, 94 NULL); 95 if (hwnd == NULL) 96 return GTFfalse; 97 98 ShowWindow(hwnd, SW_SHOWNORMAL); 99 *pNativeWindow = hwnd; 100 return GTFtrue; 101 } 102 103 void GTFNativeDestroyWindow(EGLNativeDisplayType nativeDisplay, 104 EGLNativeWindowType nativeWindow) { 105 DestroyWindow(nativeWindow); 106 UnregisterClass(kWindowClassName, GetModuleHandle(NULL)); 107 } 108 109 EGLImageKHR GTFCreateEGLImage(int width, int height, 110 GLenum format, GLenum type) { 111 return (EGLImageKHR)NULL; 112 } 113 114 void GTFDestroyEGLImage(EGLImageKHR image) { 115 } 116 117 } // extern "C" 118