| #include "precompiled.h" |
| // |
| // Copyright (c) 2002-2012 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 "libGLESv2/main.h" |
| |
| #include "libGLESv2/Context.h" |
| |
| static volatile DWORD currentTLS = TLS_OUT_OF_INDEXES; |
| |
| static gl::Current* GetCurrent() |
| { |
| #if !defined(COMPONENT_BUILD) |
| if (currentTLS == TLS_OUT_OF_INDEXES) |
| currentTLS = TlsAlloc(); |
| #endif |
| |
| gl::Current *current = (gl::Current*)TlsGetValue(currentTLS); |
| |
| #if !defined(COMPONENT_BUILD) |
| if (current == NULL) |
| { |
| current = (gl::Current*)calloc(1, sizeof(gl::Current)); |
| |
| if (current) |
| { |
| TlsSetValue(currentTLS, current); |
| |
| current->context = NULL; |
| current->display = NULL; |
| } |
| } |
| #endif |
| |
| return current; |
| } |
| |
| #if defined(__cplusplus_winrt) |
| // Turns off a harmless warning that happens when compiling with /CX flag |
| #pragma warning(disable: 4447) |
| #endif |
| |
| #if defined(COMPONENT_BUILD) |
| BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved) |
| { |
| switch (reason) |
| { |
| case DLL_PROCESS_ATTACH: |
| { |
| currentTLS = TlsAlloc(); |
| |
| if (currentTLS == TLS_OUT_OF_INDEXES) |
| { |
| return FALSE; |
| } |
| } |
| // Fall throught to initialize index |
| case DLL_THREAD_ATTACH: |
| { |
| gl::Current *current = (gl::Current*)calloc(1, sizeof(gl::Current)); |
| |
| if (current) |
| { |
| TlsSetValue(currentTLS, current); |
| |
| current->context = NULL; |
| current->display = NULL; |
| } |
| } |
| break; |
| case DLL_THREAD_DETACH: |
| { |
| void *current = TlsGetValue(currentTLS); |
| |
| if (current) |
| { |
| free(current); |
| } |
| } |
| break; |
| case DLL_PROCESS_DETACH: |
| { |
| void *current = TlsGetValue(currentTLS); |
| |
| if (current) |
| { |
| free(current); |
| } |
| |
| TlsFree(currentTLS); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| return TRUE; |
| } |
| #endif // defined(COMPONENT_BUILD) |
| |
| namespace gl |
| { |
| |
| void makeCurrent(Context *context, egl::Display *display, egl::Surface *surface) |
| { |
| Current *current = GetCurrent(); |
| |
| current->context = context; |
| current->display = display; |
| |
| if (context && display && surface) |
| { |
| context->makeCurrent(surface); |
| } |
| } |
| |
| Context *getContext() |
| { |
| Current *current = GetCurrent(); |
| |
| return current->context; |
| } |
| |
| Context *getNonLostContext() |
| { |
| Context *context = getContext(); |
| |
| if (context) |
| { |
| if (context->isContextLost()) |
| { |
| gl::error(GL_OUT_OF_MEMORY); |
| return NULL; |
| } |
| else |
| { |
| return context; |
| } |
| } |
| return NULL; |
| } |
| |
| egl::Display *getDisplay() |
| { |
| Current *current = GetCurrent(); |
| |
| return current->display; |
| } |
| |
| // Records an error code |
| void error(GLenum errorCode) |
| { |
| gl::Context *context = glGetCurrentContext(); |
| |
| if (context) |
| { |
| switch (errorCode) |
| { |
| case GL_INVALID_ENUM: |
| context->recordInvalidEnum(); |
| TRACE("\t! Error generated: invalid enum\n"); |
| break; |
| case GL_INVALID_VALUE: |
| context->recordInvalidValue(); |
| TRACE("\t! Error generated: invalid value\n"); |
| break; |
| case GL_INVALID_OPERATION: |
| context->recordInvalidOperation(); |
| TRACE("\t! Error generated: invalid operation\n"); |
| break; |
| case GL_OUT_OF_MEMORY: |
| context->recordOutOfMemory(); |
| TRACE("\t! Error generated: out of memory\n"); |
| break; |
| case GL_INVALID_FRAMEBUFFER_OPERATION: |
| context->recordInvalidFramebufferOperation(); |
| TRACE("\t! Error generated: invalid framebuffer operation\n"); |
| break; |
| default: UNREACHABLE(); |
| } |
| } |
| } |
| |
| } |
| |