kc3-lang/angle/src/libEGL/main.cpp

Branch : - branch - main - tag -

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• Author : daniel@transgaming.com
  Date : 2010-05-27 16:45:46
  Hash : e37888d1
  Message : Add support for various egl Get methods Trac #12375 This patch stores the current READ/DRAW and display in the context and allows these eglGets to work. Original-Author: Jim Hauxwell <james@dattrax.co.uk> Signed-off-by: Nicolas Capens Signed-off-by: Daniel Koch git-svn-id: https://angleproject.googlecode.com/svn/trunk@321 736b8ea6-26fd-11df-bfd4-992fa37f6226

• src/libEGL/main.cpp

• //
  // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // main.cpp: DLL entry point and management of thread-local data.
  
  #include "libEGL/main.h"
  
  #include "common/debug.h"
  
  static DWORD currentTLS = TLS_OUT_OF_INDEXES;
  
  BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
  {
      switch (reason)
      {
        case DLL_PROCESS_ATTACH:
          {
              #ifndef NDEBUG
                  FILE *debug = fopen("debug.txt", "rt");
  
                  if (debug)
                  {
                      fclose(debug);
                      debug = fopen("debug.txt", "wt");   // Erase
                      fclose(debug);
                  }
              #endif
  
              currentTLS = TlsAlloc();
  
              if (currentTLS == TLS_OUT_OF_INDEXES)
              {
                  return FALSE;
              }
          }
          // Fall throught to initialize index
        case DLL_THREAD_ATTACH:
          {
              egl::Current *current = (egl::Current*)LocalAlloc(LPTR, sizeof(egl::Current));
  
              if (current)
              {
                  TlsSetValue(currentTLS, current);
  
                  current->error = EGL_SUCCESS;
                  current->API = EGL_OPENGL_ES_API;
                  current->display = EGL_NO_DISPLAY;
                  current->drawSurface = EGL_NO_SURFACE;
                  current->readSurface = EGL_NO_SURFACE;
              }
          }
          break;
        case DLL_THREAD_DETACH:
          {
              void *current = TlsGetValue(currentTLS);
  
              if (current)
              {
                  LocalFree((HLOCAL)current);
              }
          }
          break;
        case DLL_PROCESS_DETACH:
          {
              void *current = TlsGetValue(currentTLS);
  
              if (current)
              {
                  LocalFree((HLOCAL)current);
              }
  
              TlsFree(currentTLS);
          }
          break;
        default:
          break;
      }
  
      return TRUE;
  }
  
  namespace egl
  {
  void setCurrentError(EGLint error)
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      current->error = error;
  }
  
  EGLint getCurrentError()
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      return current->error;
  }
  
  void setCurrentAPI(EGLenum API)
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      current->API = API;
  }
  
  EGLenum getCurrentAPI()
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      return current->API;
  }
  
  void setCurrentDisplay(EGLDisplay dpy)
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      current->display = dpy;
  }
  
  EGLDisplay getCurrentDisplay()
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      return current->display;
  }
  
  void setCurrentDrawSurface(EGLSurface surface)
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      current->drawSurface = surface;
  }
  
  EGLSurface getCurrentDrawSurface()
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      return current->drawSurface;
  }
  
  void setCurrentReadSurface(EGLSurface surface)
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      current->readSurface = surface;
  }
  
  EGLSurface getCurrentReadSurface()
  {
      Current *current = (Current*)TlsGetValue(currentTLS);
  
      return current->readSurface;
  }
  }
  
  void error(EGLint errorCode)
  {
      egl::setCurrentError(errorCode);
  }