1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libGLESv2/main.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,155 @@
1.4 +#include "precompiled.h"
1.5 +//
1.6 +// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
1.7 +// Use of this source code is governed by a BSD-style license that can be
1.8 +// found in the LICENSE file.
1.9 +//
1.10 +
1.11 +// main.cpp: DLL entry point and management of thread-local data.
1.12 +
1.13 +#include "libGLESv2/main.h"
1.14 +
1.15 +#include "libGLESv2/Context.h"
1.16 +
1.17 +static DWORD currentTLS = TLS_OUT_OF_INDEXES;
1.18 +
1.19 +extern "C" BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
1.20 +{
1.21 + switch (reason)
1.22 + {
1.23 + case DLL_PROCESS_ATTACH:
1.24 + {
1.25 + currentTLS = TlsAlloc();
1.26 +
1.27 + if (currentTLS == TLS_OUT_OF_INDEXES)
1.28 + {
1.29 + return FALSE;
1.30 + }
1.31 + }
1.32 + // Fall throught to initialize index
1.33 + case DLL_THREAD_ATTACH:
1.34 + {
1.35 + gl::Current *current = (gl::Current*)LocalAlloc(LPTR, sizeof(gl::Current));
1.36 +
1.37 + if (current)
1.38 + {
1.39 + TlsSetValue(currentTLS, current);
1.40 +
1.41 + current->context = NULL;
1.42 + current->display = NULL;
1.43 + }
1.44 + }
1.45 + break;
1.46 + case DLL_THREAD_DETACH:
1.47 + {
1.48 + void *current = TlsGetValue(currentTLS);
1.49 +
1.50 + if (current)
1.51 + {
1.52 + LocalFree((HLOCAL)current);
1.53 + }
1.54 + }
1.55 + break;
1.56 + case DLL_PROCESS_DETACH:
1.57 + {
1.58 + void *current = TlsGetValue(currentTLS);
1.59 +
1.60 + if (current)
1.61 + {
1.62 + LocalFree((HLOCAL)current);
1.63 + }
1.64 +
1.65 + TlsFree(currentTLS);
1.66 + }
1.67 + break;
1.68 + default:
1.69 + break;
1.70 + }
1.71 +
1.72 + return TRUE;
1.73 +}
1.74 +
1.75 +namespace gl
1.76 +{
1.77 +void makeCurrent(Context *context, egl::Display *display, egl::Surface *surface)
1.78 +{
1.79 + Current *current = (Current*)TlsGetValue(currentTLS);
1.80 +
1.81 + current->context = context;
1.82 + current->display = display;
1.83 +
1.84 + if (context && display && surface)
1.85 + {
1.86 + context->makeCurrent(surface);
1.87 + }
1.88 +}
1.89 +
1.90 +Context *getContext()
1.91 +{
1.92 + Current *current = (Current*)TlsGetValue(currentTLS);
1.93 +
1.94 + return current->context;
1.95 +}
1.96 +
1.97 +Context *getNonLostContext()
1.98 +{
1.99 + Context *context = getContext();
1.100 +
1.101 + if (context)
1.102 + {
1.103 + if (context->isContextLost())
1.104 + {
1.105 + gl::error(GL_OUT_OF_MEMORY);
1.106 + return NULL;
1.107 + }
1.108 + else
1.109 + {
1.110 + return context;
1.111 + }
1.112 + }
1.113 + return NULL;
1.114 +}
1.115 +
1.116 +egl::Display *getDisplay()
1.117 +{
1.118 + Current *current = (Current*)TlsGetValue(currentTLS);
1.119 +
1.120 + return current->display;
1.121 +}
1.122 +
1.123 +// Records an error code
1.124 +void error(GLenum errorCode)
1.125 +{
1.126 + gl::Context *context = glGetCurrentContext();
1.127 +
1.128 + if (context)
1.129 + {
1.130 + switch (errorCode)
1.131 + {
1.132 + case GL_INVALID_ENUM:
1.133 + context->recordInvalidEnum();
1.134 + TRACE("\t! Error generated: invalid enum\n");
1.135 + break;
1.136 + case GL_INVALID_VALUE:
1.137 + context->recordInvalidValue();
1.138 + TRACE("\t! Error generated: invalid value\n");
1.139 + break;
1.140 + case GL_INVALID_OPERATION:
1.141 + context->recordInvalidOperation();
1.142 + TRACE("\t! Error generated: invalid operation\n");
1.143 + break;
1.144 + case GL_OUT_OF_MEMORY:
1.145 + context->recordOutOfMemory();
1.146 + TRACE("\t! Error generated: out of memory\n");
1.147 + break;
1.148 + case GL_INVALID_FRAMEBUFFER_OPERATION:
1.149 + context->recordInvalidFramebufferOperation();
1.150 + TRACE("\t! Error generated: invalid framebuffer operation\n");
1.151 + break;
1.152 + default: UNREACHABLE();
1.153 + }
1.154 + }
1.155 +}
1.156 +
1.157 +}
1.158 +
