michael@0: //
michael@0: // Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // main.cpp: DLL entry point and management of thread-local data.
michael@0: 
michael@0: #include "libEGL/main.h"
michael@0: 
michael@0: #include "common/debug.h"
michael@0: 
michael@0: static DWORD currentTLS = TLS_OUT_OF_INDEXES;
michael@0: 
michael@0: extern "C" BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
michael@0: {
michael@0:     switch (reason)
michael@0:     {
michael@0:       case DLL_PROCESS_ATTACH:
michael@0:         {
michael@0: #if !defined(ANGLE_DISABLE_TRACE)
michael@0:             FILE *debug = fopen(TRACE_OUTPUT_FILE, "rt");
michael@0: 
michael@0:             if (debug)
michael@0:             {
michael@0:                 fclose(debug);
michael@0:                 debug = fopen(TRACE_OUTPUT_FILE, "wt");   // Erase
michael@0:                 
michael@0:                 if (debug)
michael@0:                 {
michael@0:                     fclose(debug);
michael@0:                 }
michael@0:             }
michael@0: #endif
michael@0: 
michael@0:             currentTLS = TlsAlloc();
michael@0: 
michael@0:             if (currentTLS == TLS_OUT_OF_INDEXES)
michael@0:             {
michael@0:                 return FALSE;
michael@0:             }
michael@0:         }
michael@0:         // Fall throught to initialize index
michael@0:       case DLL_THREAD_ATTACH:
michael@0:         {
michael@0:             egl::Current *current = (egl::Current*)LocalAlloc(LPTR, sizeof(egl::Current));
michael@0: 
michael@0:             if (current)
michael@0:             {
michael@0:                 TlsSetValue(currentTLS, current);
michael@0: 
michael@0:                 current->error = EGL_SUCCESS;
michael@0:                 current->API = EGL_OPENGL_ES_API;
michael@0:                 current->display = EGL_NO_DISPLAY;
michael@0:                 current->drawSurface = EGL_NO_SURFACE;
michael@0:                 current->readSurface = EGL_NO_SURFACE;
michael@0:             }
michael@0:         }
michael@0:         break;
michael@0:       case DLL_THREAD_DETACH:
michael@0:         {
michael@0:             void *current = TlsGetValue(currentTLS);
michael@0: 
michael@0:             if (current)
michael@0:             {
michael@0:                 LocalFree((HLOCAL)current);
michael@0:             }
michael@0:         }
michael@0:         break;
michael@0:       case DLL_PROCESS_DETACH:
michael@0:         {
michael@0:             void *current = TlsGetValue(currentTLS);
michael@0: 
michael@0:             if (current)
michael@0:             {
michael@0:                 LocalFree((HLOCAL)current);
michael@0:             }
michael@0: 
michael@0:             TlsFree(currentTLS);
michael@0:         }
michael@0:         break;
michael@0:       default:
michael@0:         break;
michael@0:     }
michael@0: 
michael@0:     return TRUE;
michael@0: }
michael@0: 
michael@0: namespace egl
michael@0: {
michael@0: void setCurrentError(EGLint error)
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     current->error = error;
michael@0: }
michael@0: 
michael@0: EGLint getCurrentError()
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     return current->error;
michael@0: }
michael@0: 
michael@0: void setCurrentAPI(EGLenum API)
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     current->API = API;
michael@0: }
michael@0: 
michael@0: EGLenum getCurrentAPI()
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     return current->API;
michael@0: }
michael@0: 
michael@0: void setCurrentDisplay(EGLDisplay dpy)
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     current->display = dpy;
michael@0: }
michael@0: 
michael@0: EGLDisplay getCurrentDisplay()
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     return current->display;
michael@0: }
michael@0: 
michael@0: void setCurrentDrawSurface(EGLSurface surface)
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     current->drawSurface = surface;
michael@0: }
michael@0: 
michael@0: EGLSurface getCurrentDrawSurface()
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     return current->drawSurface;
michael@0: }
michael@0: 
michael@0: void setCurrentReadSurface(EGLSurface surface)
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     current->readSurface = surface;
michael@0: }
michael@0: 
michael@0: EGLSurface getCurrentReadSurface()
michael@0: {
michael@0:     Current *current = (Current*)TlsGetValue(currentTLS);
michael@0: 
michael@0:     return current->readSurface;
michael@0: }
michael@0: 
michael@0: void error(EGLint errorCode)
michael@0: {
michael@0:     egl::setCurrentError(errorCode);
michael@0: }
michael@0: 
michael@0: }