--- /dev/null
+/*
+* Copyright 2011 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 "EGLClientIface.h"
+#include "HostConnection.h"
+#include "GL2Encoder.h"
+#include "GLES/gl.h"
+#include "GLES/glext.h"
+#include "ErrorLog.h"
+#include "gralloc_cb.h"
+#include "ThreadInfo.h"
+#include "EGLImage.h"
+
+//XXX: fix this macro to get the context from fast tls path
+#define GET_CONTEXT GL2Encoder * ctx = getEGLThreadInfo()->hostConn->gl2Encoder();
+
+#include "gl2_entry.cpp"
+
+//The functions table
+#include "gl2_ftable.h"
+
+
+static EGLClient_eglInterface * s_egl = NULL;
+static EGLClient_glesInterface * s_gl = NULL;
+
+#define DEFINE_AND_VALIDATE_HOST_CONNECTION(ret) \
+ HostConnection *hostCon = HostConnection::get(); \
+ if (!hostCon) { \
+ ALOGE("egl: Failed to get host connection\n"); \
+ return ret; \
+ } \
+ renderControl_encoder_context_t *rcEnc = hostCon->rcEncoder(); \
+ if (!rcEnc) { \
+ ALOGE("egl: Failed to get renderControl encoder context\n"); \
+ return ret; \
+ }
+
+//GL extensions
+void glEGLImageTargetTexture2DOES(void * self, GLenum target, GLeglImageOES img)
+{
+ (void)self;
+ (void)target;
+
+ DBG("glEGLImageTargetTexture2DOES v2 target=%#x img=%p\n", target, img);
+
+ EGLImage_t *image = (EGLImage_t*)img;
+
+ if (image->target == EGL_NATIVE_BUFFER_ANDROID) {
+ //TODO: check error - we don't have a way to set gl error
+ android_native_buffer_t* native_buffer = image->native_buffer;
+
+ if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) {
+ return;
+ }
+
+ if (native_buffer->common.version != sizeof(android_native_buffer_t)) {
+ return;
+ }
+
+ GET_CONTEXT;
+ DEFINE_AND_VALIDATE_HOST_CONNECTION();
+
+ ctx->override2DTextureTarget(target);
+ rcEnc->rcBindTexture(rcEnc, ((cb_handle_t *)(native_buffer->handle))->hostHandle);
+ ctx->restore2DTextureTarget();
+ }
+ else if (image->target == EGL_GL_TEXTURE_2D_KHR) {
+ GET_CONTEXT;
+ ctx->override2DTextureTarget(target);
+ GLeglImageOES hostImage = reinterpret_cast<GLeglImageOES>((intptr_t)image->host_egl_image);
+ ctx->m_glEGLImageTargetTexture2DOES_enc(self, target, hostImage);
+ ctx->restore2DTextureTarget();
+ }
+}
+
+void glEGLImageTargetRenderbufferStorageOES(void *self, GLenum target, GLeglImageOES image)
+{
+ (void)self;
+ (void)target;
+
+ DBG("glEGLImageTargetRenderbufferStorageOES v2 image=%p\n", image);
+ //TODO: check error - we don't have a way to set gl error
+ android_native_buffer_t* native_buffer = (android_native_buffer_t*)image;
+
+ if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) {
+ return;
+ }
+
+ if (native_buffer->common.version != sizeof(android_native_buffer_t)) {
+ return;
+ }
+
+ DEFINE_AND_VALIDATE_HOST_CONNECTION();
+ rcEnc->rcBindRenderbuffer(rcEnc, ((cb_handle_t *)(native_buffer->handle))->hostHandle);
+
+ return;
+}
+
+void * getProcAddress(const char * procname)
+{
+ // search in GL function table
+ for (int i=0; i<gl2_num_funcs; i++) {
+ if (!strcmp(gl2_funcs_by_name[i].name, procname)) {
+ return gl2_funcs_by_name[i].proc;
+ }
+ }
+ return NULL;
+}
+
+void finish()
+{
+ glFinish();
+}
+
+const GLubyte *my_glGetString (void *self, GLenum name)
+{
+ (void)self;
+
+ //see ref in https://www.khronos.org/opengles/sdk/docs/man
+ //name in glGetString can be one of the following five values
+ switch (name) {
+ case GL_VERSION:
+ case GL_VENDOR:
+ case GL_RENDERER:
+ case GL_SHADING_LANGUAGE_VERSION:
+ case GL_EXTENSIONS:
+ if (s_egl) {
+ return (const GLubyte*)s_egl->getGLString(name);
+ }
+ break;
+ default:
+ GET_CONTEXT;
+ ctx->setError(GL_INVALID_ENUM);
+ break;
+ }
+ return NULL;
+}
+
+void init()
+{
+ GET_CONTEXT;
+ ctx->m_glEGLImageTargetTexture2DOES_enc = ctx->glEGLImageTargetTexture2DOES;
+ ctx->glEGLImageTargetTexture2DOES = &glEGLImageTargetTexture2DOES;
+ ctx->glEGLImageTargetRenderbufferStorageOES = &glEGLImageTargetRenderbufferStorageOES;
+ ctx->glGetString = &my_glGetString;
+}
+
+extern "C" {
+EGLClient_glesInterface * init_emul_gles(EGLClient_eglInterface *eglIface)
+{
+ s_egl = eglIface;
+
+ if (!s_gl) {
+ s_gl = new EGLClient_glesInterface();
+ s_gl->getProcAddress = getProcAddress;
+ s_gl->finish = finish;
+ s_gl->init = init;
+ }
+
+ return s_gl;
+}
+} //extern
+
+