Added most of the support needed for GLES 2.x
diff --git a/opengl/libs/GLES2/gl2.cpp b/opengl/libs/GLES2/gl2.cpp
new file mode 100644
index 0000000..e5358c3
--- /dev/null
+++ b/opengl/libs/GLES2/gl2.cpp
@@ -0,0 +1,111 @@
+/*
+ ** Copyright 2007, The Android Open Source Project
+ **
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
+ **
+ ** http://www.apache.org/licenses/LICENSE-2.0
+ **
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
+ ** limitations under the License.
+ */
+
+#include <ctype.h>
+#include <string.h>
+#include <errno.h>
+
+#include <sys/ioctl.h>
+
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+#include <cutils/log.h>
+#include <cutils/properties.h>
+
+#include "hooks.h"
+#include "egl_impl.h"
+
+using namespace android;
+
+// ----------------------------------------------------------------------------
+// Actual GL entry-points
+// ----------------------------------------------------------------------------
+
+#undef API_ENTRY
+#undef CALL_GL_API
+#undef CALL_GL_API_RETURN
+
+#if USE_FAST_TLS_KEY
+
+ #define API_ENTRY(_api) __attribute__((naked)) _api
+
+ #define CALL_GL_API(_api, ...) \
+ asm volatile( \
+ "mov r12, #0xFFFF0FFF \n" \
+ "ldr r12, [r12, #-15] \n" \
+ "ldr r12, [r12, %[tls]] \n" \
+ "cmp r12, #0 \n" \
+ "ldrne pc, [r12, %[api]] \n" \
+ "bx lr \n" \
+ : \
+ : [tls] "J"(TLS_SLOT_OPENGL_API*4), \
+ [api] "J"(__builtin_offsetof(gl_hooks_t, gl2._api)) \
+ : \
+ );
+
+ #define CALL_GL_API_RETURN(_api, ...) \
+ CALL_GL_API(_api, __VA_ARGS__) \
+ return 0; // placate gcc's warnings. never reached.
+
+#else
+
+ #define API_ENTRY(_api) _api
+
+ #define CALL_GL_API(_api, ...) \
+ gl_hooks_t::gl2_t const * const _c = &getGlThreadSpecific()->gl2; \
+ _c->_api(__VA_ARGS__)
+
+ #define CALL_GL_API_RETURN(_api, ...) \
+ gl_hooks_t::gl2_t const * const _c = &getGlThreadSpecific()->gl2; \
+ return _c->_api(__VA_ARGS__)
+
+#endif
+
+
+extern "C" {
+#include "gl2_api.in"
+#include "gl2ext_api.in"
+}
+
+#undef API_ENTRY
+#undef CALL_GL_API
+#undef CALL_GL_API_RETURN
+
+
+/*
+ * These GL calls are special because they need to EGL to retrieve some
+ * informations before they can execute.
+ */
+
+extern "C" void __glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image);
+extern "C" void __glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image);
+
+
+void glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
+{
+ GLeglImageOES implImage =
+ (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image);
+ __glEGLImageTargetTexture2DOES(target, implImage);
+}
+
+void glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
+{
+ GLeglImageOES implImage =
+ (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image);
+ __glEGLImageTargetRenderbufferStorageOES(target, image);
+}
+