code.vuplus.com Git - vuplus_webkit/blob - Source/ThirdParty/ANGLE/src/libGLESv2/main.cpp

   1 //
   2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
   3 // Use of this source code is governed by a BSD-style license that can be
   4 // found in the LICENSE file.
   5 //
   6
   7 // main.cpp: DLL entry point and management of thread-local data.
   8
   9 #include "libGLESv2/main.h"
  10
  11 #include "common/debug.h"
  12 #include "libEGL/Surface.h"
  13
  14 #include "libGLESv2/Framebuffer.h"
  15
  16 static DWORD currentTLS = TLS_OUT_OF_INDEXES;
  17
  18 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
  19 {
  20     switch (reason)
  21     {
  22       case DLL_PROCESS_ATTACH:
  23         {
  24             currentTLS = TlsAlloc();
  25
  26             if (currentTLS == TLS_OUT_OF_INDEXES)
  27             {
  28                 return FALSE;
  29             }
  30         }
  31         // Fall throught to initialize index
  32       case DLL_THREAD_ATTACH:
  33         {
  34             gl::Current *current = (gl::Current*)LocalAlloc(LPTR, sizeof(gl::Current));
  35
  36             if (current)
  37             {
  38                 TlsSetValue(currentTLS, current);
  39
  40                 current->context = NULL;
  41                 current->display = NULL;
  42             }
  43         }
  44         break;
  45       case DLL_THREAD_DETACH:
  46         {
  47             void *current = TlsGetValue(currentTLS);
  48
  49             if (current)
  50             {
  51                 LocalFree((HLOCAL)current);
  52             }
  53         }
  54         break;
  55       case DLL_PROCESS_DETACH:
  56         {
  57             void *current = TlsGetValue(currentTLS);
  58
  59             if (current)
  60             {
  61                 LocalFree((HLOCAL)current);
  62             }
  63
  64             TlsFree(currentTLS);
  65         }
  66         break;
  67       default:
  68         break;
  69     }
  70
  71     return TRUE;
  72 }
  73
  74 namespace gl
  75 {
  76 void makeCurrent(Context *context, egl::Display *display, egl::Surface *surface)
  77 {
  78     Current *current = (Current*)TlsGetValue(currentTLS);
  79
  80     current->context = context;
  81     current->display = display;
  82
  83     if (context && display && surface)
  84     {
  85         context->makeCurrent(display, surface);
  86     }
  87 }
  88
  89 Context *getContext()
  90 {
  91     Current *current = (Current*)TlsGetValue(currentTLS);
  92
  93     return current->context;
  94 }
  95
  96 egl::Display *getDisplay()
  97 {
  98     Current *current = (Current*)TlsGetValue(currentTLS);
  99
 100     return current->display;
 101 }
 102
 103 IDirect3DDevice9 *getDevice()
 104 {
 105     egl::Display *display = getDisplay();
 106
 107     return display->getDevice();
 108 }
 109 }
 110
 111 // Records an error code
 112 void error(GLenum errorCode)
 113 {
 114     gl::Context *context = glGetCurrentContext();
 115
 116     if (context)
 117     {
 118         switch (errorCode)
 119         {
 120           case GL_INVALID_ENUM:
 121             context->recordInvalidEnum();
 122             TRACE("\t! Error generated: invalid enum\n");
 123             break;
 124           case GL_INVALID_VALUE:
 125             context->recordInvalidValue();
 126             TRACE("\t! Error generated: invalid value\n");
 127             break;
 128           case GL_INVALID_OPERATION:
 129             context->recordInvalidOperation();
 130             TRACE("\t! Error generated: invalid operation\n");
 131             break;
 132           case GL_OUT_OF_MEMORY:
 133             context->recordOutOfMemory();
 134             TRACE("\t! Error generated: out of memory\n");
 135             break;
 136           case GL_INVALID_FRAMEBUFFER_OPERATION:
 137             context->recordInvalidFramebufferOperation();
 138             TRACE("\t! Error generated: invalid framebuffer operation\n");
 139             break;
 140           default: UNREACHABLE();
 141         }
 142     }
 143 }