1431 lines
46 KiB
C++
1431 lines
46 KiB
C++
/*
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** Copyright 2007, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#define LOG_TAG "libEGL"
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#include <ctype.h>
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#include <string.h>
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#include <errno.h>
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#include <dlfcn.h>
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#include <sys/ioctl.h>
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#if HAVE_ANDROID_OS
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#include <linux/android_pmem.h>
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#endif
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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#include <cutils/log.h>
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#include <cutils/atomic.h>
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#include <cutils/properties.h>
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#include <cutils/memory.h>
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#include <utils/RefBase.h>
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#include "hooks.h"
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#include "egl_impl.h"
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#define MAKE_CONFIG(_impl, _index) ((EGLConfig)(((_impl)<<24) | (_index)))
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#define setError(_e, _r) setErrorEtc(__FUNCTION__, __LINE__, _e, _r)
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// ----------------------------------------------------------------------------
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namespace android {
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// ----------------------------------------------------------------------------
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#define VERSION_MAJOR 1
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#define VERSION_MINOR 4
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static char const * const gVendorString = "Android";
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static char const * const gVersionString = "1.31 Android META-EGL";
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static char const * const gClientApiString = "OpenGL ES";
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static char const * const gExtensionString = "";
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template <int MAGIC>
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struct egl_object_t
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{
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egl_object_t() : magic(MAGIC) { }
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~egl_object_t() { magic = 0; }
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bool isValid() const { return magic == MAGIC; }
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private:
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uint32_t magic;
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};
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struct egl_display_t : public egl_object_t<'_dpy'>
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{
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EGLDisplay dpys[IMPL_NUM_DRIVERS_IMPLEMENTATIONS];
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EGLConfig* configs[IMPL_NUM_DRIVERS_IMPLEMENTATIONS];
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EGLint numConfigs[IMPL_NUM_DRIVERS_IMPLEMENTATIONS];
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EGLint numTotalConfigs;
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char const* extensionsString;
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volatile int32_t refs;
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struct strings_t {
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char const * vendor;
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char const * version;
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char const * clientApi;
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char const * extensions;
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};
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strings_t queryString[IMPL_NUM_DRIVERS_IMPLEMENTATIONS];
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};
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struct egl_surface_t : public egl_object_t<'_srf'>
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{
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egl_surface_t(EGLDisplay dpy, EGLSurface surface,
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NativeWindowType window, int impl, egl_connection_t const* cnx)
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: dpy(dpy), surface(surface), window(window), impl(impl), cnx(cnx)
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{
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// NOTE: window must be incRef'ed and connected already
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}
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~egl_surface_t() {
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if (window) {
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if (window->disconnect)
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window->disconnect(window);
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window->decRef(window);
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}
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}
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EGLDisplay dpy;
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EGLSurface surface;
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NativeWindowType window;
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int impl;
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egl_connection_t const* cnx;
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};
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struct egl_context_t : public egl_object_t<'_ctx'>
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{
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egl_context_t(EGLDisplay dpy, EGLContext context,
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int impl, egl_connection_t const* cnx)
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: dpy(dpy), context(context), read(0), draw(0), impl(impl), cnx(cnx)
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{
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}
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EGLDisplay dpy;
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EGLContext context;
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EGLSurface read;
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EGLSurface draw;
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int impl;
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egl_connection_t const* cnx;
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};
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struct tls_t
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{
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tls_t() : error(EGL_SUCCESS), ctx(0) { }
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EGLint error;
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EGLContext ctx;
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};
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static void gl_unimplemented() {
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LOGE("called unimplemented OpenGL ES API");
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}
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// ----------------------------------------------------------------------------
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// GL / EGL hooks
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// ----------------------------------------------------------------------------
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#undef GL_ENTRY
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#undef EGL_ENTRY
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#define GL_ENTRY(_r, _api, ...) #_api,
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#define EGL_ENTRY(_r, _api, ...) #_api,
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static char const * const gl_names[] = {
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#include "gl_entries.in"
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#include "glext_entries.in"
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NULL
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};
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static char const * const egl_names[] = {
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#include "egl_entries.in"
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NULL
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};
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#undef GL_ENTRY
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#undef EGL_ENTRY
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// ----------------------------------------------------------------------------
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egl_connection_t gEGLImpl[IMPL_NUM_DRIVERS_IMPLEMENTATIONS];
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static egl_display_t gDisplay[NUM_DISPLAYS];
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static pthread_mutex_t gThreadLocalStorageKeyMutex = PTHREAD_MUTEX_INITIALIZER;
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static pthread_key_t gEGLThreadLocalStorageKey = -1;
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// ----------------------------------------------------------------------------
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EGLAPI gl_hooks_t gHooks[IMPL_NUM_IMPLEMENTATIONS];
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EGLAPI pthread_key_t gGLWrapperKey = -1;
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// ----------------------------------------------------------------------------
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static __attribute__((noinline))
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const char *egl_strerror(EGLint err)
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{
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switch (err){
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case EGL_SUCCESS: return "EGL_SUCCESS";
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case EGL_NOT_INITIALIZED: return "EGL_NOT_INITIALIZED";
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case EGL_BAD_ACCESS: return "EGL_BAD_ACCESS";
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case EGL_BAD_ALLOC: return "EGL_BAD_ALLOC";
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case EGL_BAD_ATTRIBUTE: return "EGL_BAD_ATTRIBUTE";
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case EGL_BAD_CONFIG: return "EGL_BAD_CONFIG";
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case EGL_BAD_CONTEXT: return "EGL_BAD_CONTEXT";
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case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE";
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case EGL_BAD_DISPLAY: return "EGL_BAD_DISPLAY";
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case EGL_BAD_MATCH: return "EGL_BAD_MATCH";
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case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP";
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case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW";
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case EGL_BAD_PARAMETER: return "EGL_BAD_PARAMETER";
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case EGL_BAD_SURFACE: return "EGL_BAD_SURFACE";
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case EGL_CONTEXT_LOST: return "EGL_CONTEXT_LOST";
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default: return "UNKNOWN";
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}
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}
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static __attribute__((noinline))
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void clearTLS() {
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if (gEGLThreadLocalStorageKey != -1) {
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tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey);
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if (tls) {
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delete tls;
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pthread_setspecific(gEGLThreadLocalStorageKey, 0);
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}
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}
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}
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static tls_t* getTLS()
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{
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tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey);
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if (tls == 0) {
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tls = new tls_t;
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pthread_setspecific(gEGLThreadLocalStorageKey, tls);
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}
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return tls;
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}
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template<typename T>
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static __attribute__((noinline))
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T setErrorEtc(const char* caller, int line, EGLint error, T returnValue) {
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if (gEGLThreadLocalStorageKey == -1) {
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pthread_mutex_lock(&gThreadLocalStorageKeyMutex);
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if (gEGLThreadLocalStorageKey == -1)
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pthread_key_create(&gEGLThreadLocalStorageKey, NULL);
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pthread_mutex_unlock(&gThreadLocalStorageKeyMutex);
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}
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tls_t* tls = getTLS();
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if (tls->error != error) {
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LOGE("%s:%d error %x (%s)", caller, line, error, egl_strerror(error));
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tls->error = error;
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}
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return returnValue;
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}
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static __attribute__((noinline))
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GLint getError() {
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if (gEGLThreadLocalStorageKey == -1)
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return EGL_SUCCESS;
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tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey);
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if (!tls) return EGL_SUCCESS;
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GLint error = tls->error;
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tls->error = EGL_SUCCESS;
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return error;
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}
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static __attribute__((noinline))
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void setContext(EGLContext ctx) {
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if (gEGLThreadLocalStorageKey == -1) {
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pthread_mutex_lock(&gThreadLocalStorageKeyMutex);
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if (gEGLThreadLocalStorageKey == -1)
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pthread_key_create(&gEGLThreadLocalStorageKey, NULL);
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pthread_mutex_unlock(&gThreadLocalStorageKeyMutex);
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}
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tls_t* tls = getTLS();
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tls->ctx = ctx;
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}
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static __attribute__((noinline))
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EGLContext getContext() {
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if (gEGLThreadLocalStorageKey == -1)
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return EGL_NO_CONTEXT;
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tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey);
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if (!tls) return EGL_NO_CONTEXT;
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return tls->ctx;
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}
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/*****************************************************************************/
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class ISurfaceComposer;
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const sp<ISurfaceComposer>& getSurfaceFlinger();
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request_gpu_t* gpu_acquire(void* user);
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int gpu_release(void*, request_gpu_t* gpu);
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static __attribute__((noinline))
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void *load_driver(const char* driver, gl_hooks_t* hooks)
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{
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//LOGD("%s", driver);
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char scrap[256];
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void* dso = dlopen(driver, RTLD_NOW | RTLD_LOCAL);
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LOGE_IF(!dso,
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"couldn't load <%s> library (%s)",
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driver, dlerror());
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if (dso) {
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// first find the symbol for eglGetProcAddress
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typedef __eglMustCastToProperFunctionPointerType (*getProcAddressType)(
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const char*);
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getProcAddressType getProcAddress =
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(getProcAddressType)dlsym(dso, "eglGetProcAddress");
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LOGE_IF(!getProcAddress,
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"can't find eglGetProcAddress() in %s", driver);
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__eglMustCastToProperFunctionPointerType* curr;
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char const * const * api;
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gl_hooks_t::egl_t* egl = &hooks->egl;
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curr = (__eglMustCastToProperFunctionPointerType*)egl;
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api = egl_names;
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while (*api) {
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char const * name = *api;
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__eglMustCastToProperFunctionPointerType f =
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(__eglMustCastToProperFunctionPointerType)dlsym(dso, name);
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if (f == NULL) {
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// couldn't find the entry-point, use eglGetProcAddress()
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f = getProcAddress(name);
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if (f == NULL) {
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f = (__eglMustCastToProperFunctionPointerType)0;
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}
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}
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*curr++ = f;
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api++;
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}
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gl_hooks_t::gl_t* gl = &hooks->gl;
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curr = (__eglMustCastToProperFunctionPointerType*)gl;
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api = gl_names;
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while (*api) {
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char const * name = *api;
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__eglMustCastToProperFunctionPointerType f =
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(__eglMustCastToProperFunctionPointerType)dlsym(dso, name);
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if (f == NULL) {
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// couldn't find the entry-point, use eglGetProcAddress()
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f = getProcAddress(name);
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}
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if (f == NULL) {
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// Try without the OES postfix
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ssize_t index = ssize_t(strlen(name)) - 3;
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if ((index>0 && (index<255)) && (!strcmp(name+index, "OES"))) {
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strncpy(scrap, name, index);
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scrap[index] = 0;
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f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap);
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//LOGD_IF(f, "found <%s> instead", scrap);
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}
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}
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if (f == NULL) {
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// Try with the OES postfix
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ssize_t index = ssize_t(strlen(name)) - 3;
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if ((index>0 && (index<252)) && (strcmp(name+index, "OES"))) {
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strncpy(scrap, name, index);
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scrap[index] = 0;
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strcat(scrap, "OES");
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f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap);
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//LOGD_IF(f, "found <%s> instead", scrap);
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}
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}
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if (f == NULL) {
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//LOGD("%s", name);
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f = (__eglMustCastToProperFunctionPointerType)gl_unimplemented;
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}
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*curr++ = f;
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api++;
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}
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// hook this driver up with surfaceflinger if needed
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register_gpu_t register_gpu =
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(register_gpu_t)dlsym(dso, "oem_register_gpu");
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if (register_gpu != NULL) {
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if (getSurfaceFlinger() != 0) {
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register_gpu(dso, gpu_acquire, gpu_release);
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}
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}
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}
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return dso;
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}
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template<typename T>
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static __attribute__((noinline))
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int binarySearch(
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T const sortedArray[], int first, int last, T key)
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{
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while (first <= last) {
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int mid = (first + last) / 2;
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if (key > sortedArray[mid]) {
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first = mid + 1;
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} else if (key < sortedArray[mid]) {
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last = mid - 1;
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} else {
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return mid;
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}
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}
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return -1;
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}
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static EGLint configToUniqueId(egl_display_t const* dp, int i, int index)
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{
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// NOTE: this mapping works only if we have no more than two EGLimpl
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return (i>0 ? dp->numConfigs[0] : 0) + index;
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}
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static void uniqueIdToConfig(egl_display_t const* dp, EGLint configId,
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int& i, int& index)
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{
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// NOTE: this mapping works only if we have no more than two EGLimpl
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size_t numConfigs = dp->numConfigs[0];
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i = configId / numConfigs;
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index = configId % numConfigs;
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}
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static int cmp_configs(const void* a, const void *b)
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{
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EGLConfig c0 = *(EGLConfig const *)a;
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EGLConfig c1 = *(EGLConfig const *)b;
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return c0<c1 ? -1 : (c0>c1 ? 1 : 0);
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}
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struct extention_map_t {
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const char* name;
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__eglMustCastToProperFunctionPointerType address;
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};
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static const extention_map_t gExtentionMap[] = {
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};
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static extention_map_t gGLExtentionMap[MAX_NUMBER_OF_GL_EXTENSIONS];
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static void(*findProcAddress(const char* name,
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const extention_map_t* map, size_t n))()
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{
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for (uint32_t i=0 ; i<n ; i++) {
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if (!strcmp(name, map[i].name)) {
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return map[i].address;
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}
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}
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return NULL;
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}
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// ----------------------------------------------------------------------------
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static int gl_context_lost() {
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setGlThreadSpecific(&gHooks[IMPL_CONTEXT_LOST]);
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return 0;
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}
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static int egl_context_lost() {
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setGlThreadSpecific(&gHooks[IMPL_CONTEXT_LOST]);
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return EGL_FALSE;
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}
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static EGLBoolean egl_context_lost_swap_buffers(void*, void*) {
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usleep(100000); // don't use all the CPU
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setGlThreadSpecific(&gHooks[IMPL_CONTEXT_LOST]);
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return EGL_FALSE;
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}
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static GLint egl_context_lost_get_error() {
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return EGL_CONTEXT_LOST;
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}
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static int ext_context_lost() {
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return 0;
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}
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static void gl_no_context() {
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LOGE("call to OpenGL ES API with no current context");
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}
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static void early_egl_init(void)
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{
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#if !USE_FAST_TLS_KEY
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pthread_key_create(&gGLWrapperKey, NULL);
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#endif
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uint32_t addr = (uint32_t)((void*)gl_no_context);
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android_memset32(
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(uint32_t*)(void*)&gHooks[IMPL_NO_CONTEXT],
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addr,
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sizeof(gHooks[IMPL_NO_CONTEXT]));
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setGlThreadSpecific(&gHooks[IMPL_NO_CONTEXT]);
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}
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static pthread_once_t once_control = PTHREAD_ONCE_INIT;
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static int sEarlyInitState = pthread_once(&once_control, &early_egl_init);
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static inline
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egl_display_t* get_display(EGLDisplay dpy)
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{
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uintptr_t index = uintptr_t(dpy)-1U;
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return (index >= NUM_DISPLAYS) ? NULL : &gDisplay[index];
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}
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template<typename NATIVE, typename EGL>
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static inline NATIVE* egl_to_native_cast(EGL arg) {
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return reinterpret_cast<NATIVE*>(arg);
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}
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static inline
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egl_surface_t* get_surface(EGLSurface surface) {
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return egl_to_native_cast<egl_surface_t>(surface);
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}
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static inline
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egl_context_t* get_context(EGLContext context) {
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return egl_to_native_cast<egl_context_t>(context);
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}
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static egl_connection_t* validate_display_config(
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EGLDisplay dpy, EGLConfig config,
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egl_display_t const*& dp, int& impl, int& index)
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|
{
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dp = get_display(dpy);
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if (!dp) return setError(EGL_BAD_DISPLAY, (egl_connection_t*)NULL);
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impl = uintptr_t(config)>>24;
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if (uint32_t(impl) >= IMPL_NUM_DRIVERS_IMPLEMENTATIONS) {
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return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL);
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}
|
|
index = uintptr_t(config) & 0xFFFFFF;
|
|
if (index >= dp->numConfigs[impl]) {
|
|
return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL);
|
|
}
|
|
egl_connection_t* const cnx = &gEGLImpl[impl];
|
|
if (cnx->dso == 0) {
|
|
return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL);
|
|
}
|
|
return cnx;
|
|
}
|
|
|
|
static EGLBoolean validate_display_context(EGLDisplay dpy, EGLContext ctx)
|
|
{
|
|
if ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
if (!get_display(dpy)->isValid())
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
if (!ctx) // TODO: make sure context is a valid object
|
|
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
if (!get_context(ctx)->isValid())
|
|
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
static EGLBoolean validate_display_surface(EGLDisplay dpy, EGLSurface surface)
|
|
{
|
|
if ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
if (!get_display(dpy)->isValid())
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
if (!surface) // TODO: make sure surface is a valid object
|
|
return setError(EGL_BAD_SURFACE, EGL_FALSE);
|
|
if (!get_surface(surface)->isValid())
|
|
return setError(EGL_BAD_SURFACE, EGL_FALSE);
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
|
|
EGLDisplay egl_init_displays(NativeDisplayType display)
|
|
{
|
|
if (sEarlyInitState) {
|
|
return EGL_NO_DISPLAY;
|
|
}
|
|
|
|
uint32_t index = uint32_t(display);
|
|
if (index >= NUM_DISPLAYS) {
|
|
return EGL_NO_DISPLAY;
|
|
}
|
|
|
|
EGLDisplay dpy = EGLDisplay(uintptr_t(display) + 1LU);
|
|
egl_display_t* d = &gDisplay[index];
|
|
|
|
// dynamically load all our EGL implementations for that display
|
|
// and call into the real eglGetGisplay()
|
|
egl_connection_t* cnx = &gEGLImpl[IMPL_SOFTWARE];
|
|
if (cnx->dso == 0) {
|
|
cnx->hooks = &gHooks[IMPL_SOFTWARE];
|
|
cnx->dso = load_driver("libagl.so", cnx->hooks);
|
|
}
|
|
if (cnx->dso && d->dpys[IMPL_SOFTWARE]==EGL_NO_DISPLAY) {
|
|
d->dpys[IMPL_SOFTWARE] = cnx->hooks->egl.eglGetDisplay(display);
|
|
LOGE_IF(d->dpys[IMPL_SOFTWARE]==EGL_NO_DISPLAY,
|
|
"No EGLDisplay for software EGL!");
|
|
}
|
|
|
|
cnx = &gEGLImpl[IMPL_HARDWARE];
|
|
if (cnx->dso == 0 && cnx->unavailable == 0) {
|
|
char value[PROPERTY_VALUE_MAX];
|
|
property_get("debug.egl.hw", value, "1");
|
|
if (atoi(value) != 0) {
|
|
cnx->hooks = &gHooks[IMPL_HARDWARE];
|
|
cnx->dso = load_driver("libhgl.so", cnx->hooks);
|
|
} else {
|
|
LOGD("3D hardware acceleration is disabled");
|
|
}
|
|
}
|
|
if (cnx->dso && d->dpys[IMPL_HARDWARE]==EGL_NO_DISPLAY) {
|
|
android_memset32(
|
|
(uint32_t*)(void*)&gHooks[IMPL_CONTEXT_LOST].gl,
|
|
(uint32_t)((void*)gl_context_lost),
|
|
sizeof(gHooks[IMPL_CONTEXT_LOST].gl));
|
|
android_memset32(
|
|
(uint32_t*)(void*)&gHooks[IMPL_CONTEXT_LOST].egl,
|
|
(uint32_t)((void*)egl_context_lost),
|
|
sizeof(gHooks[IMPL_CONTEXT_LOST].egl));
|
|
android_memset32(
|
|
(uint32_t*)(void*)&gHooks[IMPL_CONTEXT_LOST].ext,
|
|
(uint32_t)((void*)ext_context_lost),
|
|
sizeof(gHooks[IMPL_CONTEXT_LOST].ext));
|
|
|
|
gHooks[IMPL_CONTEXT_LOST].egl.eglSwapBuffers =
|
|
egl_context_lost_swap_buffers;
|
|
|
|
gHooks[IMPL_CONTEXT_LOST].egl.eglGetError =
|
|
egl_context_lost_get_error;
|
|
|
|
gHooks[IMPL_CONTEXT_LOST].egl.eglTerminate =
|
|
gHooks[IMPL_HARDWARE].egl.eglTerminate;
|
|
|
|
d->dpys[IMPL_HARDWARE] = cnx->hooks->egl.eglGetDisplay(display);
|
|
if (d->dpys[IMPL_HARDWARE] == EGL_NO_DISPLAY) {
|
|
LOGE("h/w accelerated eglGetDisplay() failed (%s)",
|
|
egl_strerror(cnx->hooks->egl.eglGetError()));
|
|
dlclose((void*)cnx->dso);
|
|
cnx->dso = 0;
|
|
// in case of failure, we want to make sure we don't try again
|
|
// as it's expensive.
|
|
cnx->unavailable = 1;
|
|
}
|
|
}
|
|
|
|
return dpy;
|
|
}
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
}; // namespace android
|
|
// ----------------------------------------------------------------------------
|
|
|
|
using namespace android;
|
|
|
|
EGLDisplay eglGetDisplay(NativeDisplayType display)
|
|
{
|
|
return egl_init_displays(display);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Initialization
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
|
|
{
|
|
egl_display_t * const dp = get_display(dpy);
|
|
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
if (android_atomic_inc(&dp->refs) > 0) {
|
|
if (major != NULL) *major = VERSION_MAJOR;
|
|
if (minor != NULL) *minor = VERSION_MINOR;
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
setGlThreadSpecific(&gHooks[IMPL_NO_CONTEXT]);
|
|
|
|
// initialize each EGL and
|
|
// build our own extension string first, based on the extension we know
|
|
// and the extension supported by our client implementation
|
|
dp->extensionsString = strdup(gExtensionString);
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
cnx->major = -1;
|
|
cnx->minor = -1;
|
|
if (!cnx->dso)
|
|
continue;
|
|
|
|
if (cnx->hooks->egl.eglInitialize(
|
|
dp->dpys[i], &cnx->major, &cnx->minor)) {
|
|
|
|
//LOGD("initialized %d dpy=%p, ver=%d.%d, cnx=%p",
|
|
// i, dp->dpys[i], cnx->major, cnx->minor, cnx);
|
|
|
|
// get the query-strings for this display for each implementation
|
|
dp->queryString[i].vendor =
|
|
cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_VENDOR);
|
|
dp->queryString[i].version =
|
|
cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_VERSION);
|
|
dp->queryString[i].extensions = strdup(
|
|
cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_EXTENSIONS));
|
|
dp->queryString[i].clientApi =
|
|
cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_CLIENT_APIS);
|
|
|
|
} else {
|
|
LOGD("%d: eglInitialize() failed (%s)",
|
|
i, egl_strerror(cnx->hooks->egl.eglGetError()));
|
|
}
|
|
}
|
|
|
|
EGLBoolean res = EGL_FALSE;
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso && cnx->major>=0 && cnx->minor>=0) {
|
|
EGLint n;
|
|
if (cnx->hooks->egl.eglGetConfigs(dp->dpys[i], 0, 0, &n)) {
|
|
dp->configs[i] = (EGLConfig*)malloc(sizeof(EGLConfig)*n);
|
|
if (dp->configs[i]) {
|
|
if (cnx->hooks->egl.eglGetConfigs(
|
|
dp->dpys[i], dp->configs[i], n, &dp->numConfigs[i]))
|
|
{
|
|
// sort the configurations so we can do binary searches
|
|
qsort( dp->configs[i],
|
|
dp->numConfigs[i],
|
|
sizeof(EGLConfig), cmp_configs);
|
|
|
|
dp->numTotalConfigs += n;
|
|
res = EGL_TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (res == EGL_TRUE) {
|
|
if (major != NULL) *major = VERSION_MAJOR;
|
|
if (minor != NULL) *minor = VERSION_MINOR;
|
|
return EGL_TRUE;
|
|
}
|
|
return setError(EGL_NOT_INITIALIZED, EGL_FALSE);
|
|
}
|
|
|
|
EGLBoolean eglTerminate(EGLDisplay dpy)
|
|
{
|
|
egl_display_t* const dp = get_display(dpy);
|
|
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
if (android_atomic_dec(&dp->refs) != 1)
|
|
return EGL_TRUE;
|
|
|
|
EGLBoolean res = EGL_FALSE;
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso) {
|
|
cnx->hooks->egl.eglTerminate(dp->dpys[i]);
|
|
|
|
/* REVISIT: it's unclear what to do if eglTerminate() fails,
|
|
* on one end we shouldn't care, on the other end if it fails
|
|
* it might not be safe to call dlclose() (there could be some
|
|
* threads around). */
|
|
|
|
free(dp->configs[i]);
|
|
free((void*)dp->queryString[i].extensions);
|
|
dp->numConfigs[i] = 0;
|
|
dp->dpys[i] = EGL_NO_DISPLAY;
|
|
dlclose((void*)cnx->dso);
|
|
cnx->dso = 0;
|
|
res = EGL_TRUE;
|
|
}
|
|
}
|
|
free((void*)dp->extensionsString);
|
|
dp->extensionsString = 0;
|
|
dp->numTotalConfigs = 0;
|
|
clearTLS();
|
|
return res;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// configuration
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLBoolean eglGetConfigs( EGLDisplay dpy,
|
|
EGLConfig *configs,
|
|
EGLint config_size, EGLint *num_config)
|
|
{
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
GLint numConfigs = dp->numTotalConfigs;
|
|
if (!configs) {
|
|
*num_config = numConfigs;
|
|
return EGL_TRUE;
|
|
}
|
|
GLint n = 0;
|
|
for (int j=0 ; j<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; j++) {
|
|
for (int i=0 ; i<dp->numConfigs[j] && config_size ; i++) {
|
|
*configs++ = MAKE_CONFIG(j, i);
|
|
config_size--;
|
|
n++;
|
|
}
|
|
}
|
|
|
|
*num_config = n;
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
|
|
EGLConfig *configs, EGLint config_size,
|
|
EGLint *num_config)
|
|
{
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
if (num_config==0) {
|
|
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
|
|
}
|
|
|
|
EGLint n;
|
|
EGLBoolean res = EGL_FALSE;
|
|
*num_config = 0;
|
|
|
|
|
|
// It is unfortunate, but we need to remap the EGL_CONFIG_IDs,
|
|
// to do this, we have to go through the attrib_list array once
|
|
// to figure out both its size and if it contains an EGL_CONFIG_ID
|
|
// key. If so, the full array is copied and patched.
|
|
// NOTE: we assume that there can be only one occurrence
|
|
// of EGL_CONFIG_ID.
|
|
|
|
EGLint patch_index = -1;
|
|
GLint attr;
|
|
size_t size = 0;
|
|
while ((attr=attrib_list[size])) {
|
|
if (attr == EGL_CONFIG_ID)
|
|
patch_index = size;
|
|
size += 2;
|
|
}
|
|
if (patch_index >= 0) {
|
|
size += 2; // we need copy the sentinel as well
|
|
EGLint* new_list = (EGLint*)malloc(size*sizeof(EGLint));
|
|
if (new_list == 0)
|
|
return setError(EGL_BAD_ALLOC, EGL_FALSE);
|
|
memcpy(new_list, attrib_list, size*sizeof(EGLint));
|
|
|
|
// patch the requested EGL_CONFIG_ID
|
|
int i, index;
|
|
EGLint& configId(new_list[patch_index+1]);
|
|
uniqueIdToConfig(dp, configId, i, index);
|
|
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso) {
|
|
cnx->hooks->egl.eglGetConfigAttrib(
|
|
dp->dpys[i], dp->configs[i][index],
|
|
EGL_CONFIG_ID, &configId);
|
|
|
|
// and switch to the new list
|
|
attrib_list = const_cast<const EGLint *>(new_list);
|
|
|
|
// At this point, the only configuration that can match is
|
|
// dp->configs[i][index], however, we don't know if it would be
|
|
// rejected because of the other attributes, so we do have to call
|
|
// cnx->hooks->egl.eglChooseConfig() -- but we don't have to loop
|
|
// through all the EGLimpl[].
|
|
// We also know we can only get a single config back, and we know
|
|
// which one.
|
|
|
|
res = cnx->hooks->egl.eglChooseConfig(
|
|
dp->dpys[i], attrib_list, configs, config_size, &n);
|
|
if (res && n>0) {
|
|
// n has to be 0 or 1, by construction, and we already know
|
|
// which config it will return (since there can be only one).
|
|
if (configs) {
|
|
configs[0] = MAKE_CONFIG(i, index);
|
|
}
|
|
*num_config = 1;
|
|
}
|
|
}
|
|
|
|
free(const_cast<EGLint *>(attrib_list));
|
|
return res;
|
|
}
|
|
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso) {
|
|
if (cnx->hooks->egl.eglChooseConfig(
|
|
dp->dpys[i], attrib_list, configs, config_size, &n)) {
|
|
if (configs) {
|
|
// now we need to convert these client EGLConfig to our
|
|
// internal EGLConfig format. This is done in O(n log n).
|
|
for (int j=0 ; j<n ; j++) {
|
|
int index = binarySearch<EGLConfig>(
|
|
dp->configs[i], 0, dp->numConfigs[i]-1, configs[j]);
|
|
if (index >= 0) {
|
|
if (configs) {
|
|
configs[j] = MAKE_CONFIG(i, index);
|
|
}
|
|
} else {
|
|
return setError(EGL_BAD_CONFIG, EGL_FALSE);
|
|
}
|
|
}
|
|
configs += n;
|
|
config_size -= n;
|
|
}
|
|
*num_config += n;
|
|
res = EGL_TRUE;
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
|
|
EGLint attribute, EGLint *value)
|
|
{
|
|
egl_display_t const* dp = 0;
|
|
int i=0, index=0;
|
|
egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
|
|
if (!cnx) return EGL_FALSE;
|
|
|
|
if (attribute == EGL_CONFIG_ID) {
|
|
// EGL_CONFIG_IDs must be unique, just use the order of the selected
|
|
// EGLConfig.
|
|
*value = configToUniqueId(dp, i, index);
|
|
return EGL_TRUE;
|
|
}
|
|
return cnx->hooks->egl.eglGetConfigAttrib(
|
|
dp->dpys[i], dp->configs[i][index], attribute, value);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// surfaces
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config,
|
|
NativeWindowType window,
|
|
const EGLint *attrib_list)
|
|
{
|
|
egl_display_t const* dp = 0;
|
|
int i=0, index=0;
|
|
egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
|
|
if (cnx) {
|
|
// window must be connected upon calling underlying
|
|
// eglCreateWindowSurface
|
|
if (window) {
|
|
window->incRef(window);
|
|
if (window->connect)
|
|
window->connect(window);
|
|
}
|
|
|
|
EGLSurface surface = cnx->hooks->egl.eglCreateWindowSurface(
|
|
dp->dpys[i], dp->configs[i][index], window, attrib_list);
|
|
if (surface != EGL_NO_SURFACE) {
|
|
egl_surface_t* s = new egl_surface_t(dpy, surface, window, i, cnx);
|
|
return s;
|
|
}
|
|
|
|
// something went wrong, disconnect and free window
|
|
// (will disconnect() automatically)
|
|
if (window) {
|
|
window->decRef(window);
|
|
}
|
|
}
|
|
return EGL_NO_SURFACE;
|
|
}
|
|
|
|
EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config,
|
|
NativePixmapType pixmap,
|
|
const EGLint *attrib_list)
|
|
{
|
|
egl_display_t const* dp = 0;
|
|
int i=0, index=0;
|
|
egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
|
|
if (cnx) {
|
|
EGLSurface surface = cnx->hooks->egl.eglCreatePixmapSurface(
|
|
dp->dpys[i], dp->configs[i][index], pixmap, attrib_list);
|
|
if (surface != EGL_NO_SURFACE) {
|
|
egl_surface_t* s = new egl_surface_t(dpy, surface, NULL, i, cnx);
|
|
return s;
|
|
}
|
|
}
|
|
return EGL_NO_SURFACE;
|
|
}
|
|
|
|
EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
|
|
const EGLint *attrib_list)
|
|
{
|
|
egl_display_t const* dp = 0;
|
|
int i=0, index=0;
|
|
egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
|
|
if (cnx) {
|
|
EGLSurface surface = cnx->hooks->egl.eglCreatePbufferSurface(
|
|
dp->dpys[i], dp->configs[i][index], attrib_list);
|
|
if (surface != EGL_NO_SURFACE) {
|
|
egl_surface_t* s = new egl_surface_t(dpy, surface, NULL, i, cnx);
|
|
return s;
|
|
}
|
|
}
|
|
return EGL_NO_SURFACE;
|
|
}
|
|
|
|
EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
|
|
{
|
|
if (!validate_display_surface(dpy, surface))
|
|
return EGL_FALSE;
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
egl_surface_t const * const s = get_surface(surface);
|
|
|
|
EGLBoolean result = s->cnx->hooks->egl.eglDestroySurface(
|
|
dp->dpys[s->impl], s->surface);
|
|
|
|
delete s;
|
|
return result;
|
|
}
|
|
|
|
EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface,
|
|
EGLint attribute, EGLint *value)
|
|
{
|
|
if (!validate_display_surface(dpy, surface))
|
|
return EGL_FALSE;
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
egl_surface_t const * const s = get_surface(surface);
|
|
|
|
return s->cnx->hooks->egl.eglQuerySurface(
|
|
dp->dpys[s->impl], s->surface, attribute, value);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// contextes
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
|
|
EGLContext share_list, const EGLint *attrib_list)
|
|
{
|
|
egl_display_t const* dp = 0;
|
|
int i=0, index=0;
|
|
egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
|
|
if (cnx) {
|
|
EGLContext context = cnx->hooks->egl.eglCreateContext(
|
|
dp->dpys[i], dp->configs[i][index], share_list, attrib_list);
|
|
if (context != EGL_NO_CONTEXT) {
|
|
egl_context_t* c = new egl_context_t(dpy, context, i, cnx);
|
|
return c;
|
|
}
|
|
}
|
|
return EGL_NO_CONTEXT;
|
|
}
|
|
|
|
EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
|
|
{
|
|
if (!validate_display_context(dpy, ctx))
|
|
return EGL_FALSE;
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
egl_context_t * const c = get_context(ctx);
|
|
EGLBoolean result = c->cnx->hooks->egl.eglDestroyContext(
|
|
dp->dpys[c->impl], c->context);
|
|
delete c;
|
|
return result;
|
|
}
|
|
|
|
EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
|
|
EGLSurface read, EGLContext ctx)
|
|
{
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
if (read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE &&
|
|
ctx == EGL_NO_CONTEXT)
|
|
{
|
|
EGLBoolean result = EGL_TRUE;
|
|
ctx = getContext();
|
|
if (ctx) {
|
|
egl_context_t * const c = get_context(ctx);
|
|
result = c->cnx->hooks->egl.eglMakeCurrent(dp->dpys[c->impl], 0, 0, 0);
|
|
if (result == EGL_TRUE) {
|
|
setGlThreadSpecific(&gHooks[IMPL_NO_CONTEXT]);
|
|
setContext(EGL_NO_CONTEXT);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
if (!validate_display_context(dpy, ctx))
|
|
return EGL_FALSE;
|
|
|
|
egl_context_t * const c = get_context(ctx);
|
|
if (draw != EGL_NO_SURFACE) {
|
|
egl_surface_t const * d = get_surface(draw);
|
|
if (!d) return setError(EGL_BAD_SURFACE, EGL_FALSE);
|
|
if (d->impl != c->impl)
|
|
return setError(EGL_BAD_MATCH, EGL_FALSE);
|
|
draw = d->surface;
|
|
}
|
|
if (read != EGL_NO_SURFACE) {
|
|
egl_surface_t const * r = get_surface(read);
|
|
if (!r) return setError(EGL_BAD_SURFACE, EGL_FALSE);
|
|
if (r->impl != c->impl)
|
|
return setError(EGL_BAD_MATCH, EGL_FALSE);
|
|
read = r->surface;
|
|
}
|
|
EGLBoolean result = c->cnx->hooks->egl.eglMakeCurrent(
|
|
dp->dpys[c->impl], draw, read, c->context);
|
|
|
|
if (result == EGL_TRUE) {
|
|
setGlThreadSpecific(c->cnx->hooks);
|
|
setContext(ctx);
|
|
c->read = read;
|
|
c->draw = draw;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx,
|
|
EGLint attribute, EGLint *value)
|
|
{
|
|
if (!validate_display_context(dpy, ctx))
|
|
return EGL_FALSE;
|
|
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
egl_context_t * const c = get_context(ctx);
|
|
|
|
return c->cnx->hooks->egl.eglQueryContext(
|
|
dp->dpys[c->impl], c->context, attribute, value);
|
|
}
|
|
|
|
EGLContext eglGetCurrentContext(void)
|
|
{
|
|
EGLContext ctx = getContext();
|
|
return ctx;
|
|
}
|
|
|
|
EGLSurface eglGetCurrentSurface(EGLint readdraw)
|
|
{
|
|
EGLContext ctx = getContext();
|
|
if (ctx) {
|
|
egl_context_t const * const c = get_context(ctx);
|
|
if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
|
|
switch (readdraw) {
|
|
case EGL_READ: return c->read;
|
|
case EGL_DRAW: return c->draw;
|
|
default: return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
|
|
}
|
|
}
|
|
return EGL_NO_SURFACE;
|
|
}
|
|
|
|
EGLDisplay eglGetCurrentDisplay(void)
|
|
{
|
|
EGLContext ctx = getContext();
|
|
if (ctx) {
|
|
egl_context_t const * const c = get_context(ctx);
|
|
if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
|
|
return c->dpy;
|
|
}
|
|
return EGL_NO_DISPLAY;
|
|
}
|
|
|
|
EGLBoolean eglWaitGL(void)
|
|
{
|
|
EGLBoolean res = EGL_TRUE;
|
|
EGLContext ctx = getContext();
|
|
if (ctx) {
|
|
egl_context_t const * const c = get_context(ctx);
|
|
if (!c) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
if (uint32_t(c->impl)>=2)
|
|
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
egl_connection_t* const cnx = &gEGLImpl[c->impl];
|
|
if (!cnx->dso)
|
|
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
res = cnx->hooks->egl.eglWaitGL();
|
|
}
|
|
return res;
|
|
}
|
|
|
|
EGLBoolean eglWaitNative(EGLint engine)
|
|
{
|
|
EGLBoolean res = EGL_TRUE;
|
|
EGLContext ctx = getContext();
|
|
if (ctx) {
|
|
egl_context_t const * const c = get_context(ctx);
|
|
if (!c) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
if (uint32_t(c->impl)>=2)
|
|
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
egl_connection_t* const cnx = &gEGLImpl[c->impl];
|
|
if (!cnx->dso)
|
|
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
res = cnx->hooks->egl.eglWaitNative(engine);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
EGLint eglGetError(void)
|
|
{
|
|
EGLint result = EGL_SUCCESS;
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
EGLint err = EGL_SUCCESS;
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso)
|
|
err = cnx->hooks->egl.eglGetError();
|
|
if (err!=EGL_SUCCESS && result==EGL_SUCCESS)
|
|
result = err;
|
|
}
|
|
if (result == EGL_SUCCESS)
|
|
result = getError();
|
|
return result;
|
|
}
|
|
|
|
__eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname)
|
|
{
|
|
// eglGetProcAddress() could be the very first function called
|
|
// in which case we must make sure we've initialized ourselves, this
|
|
// happens the first time egl_get_display() is called.
|
|
|
|
if (egl_init_displays(EGL_DEFAULT_DISPLAY) == EGL_NO_DISPLAY)
|
|
return NULL;
|
|
|
|
__eglMustCastToProperFunctionPointerType addr;
|
|
addr = findProcAddress(procname, gExtentionMap, NELEM(gExtentionMap));
|
|
if (addr) return addr;
|
|
|
|
return NULL; // TODO: finish implementation below
|
|
|
|
addr = findProcAddress(procname, gGLExtentionMap, NELEM(gGLExtentionMap));
|
|
if (addr) return addr;
|
|
|
|
addr = 0;
|
|
int slot = -1;
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso) {
|
|
if (cnx->hooks->egl.eglGetProcAddress) {
|
|
addr = cnx->hooks->egl.eglGetProcAddress(procname);
|
|
if (addr) {
|
|
if (slot == -1) {
|
|
slot = 0; // XXX: find free slot
|
|
if (slot == -1) {
|
|
addr = 0;
|
|
break;
|
|
}
|
|
}
|
|
cnx->hooks->ext.extensions[slot] = addr;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (slot >= 0) {
|
|
addr = 0; // XXX: address of stub 'slot'
|
|
gGLExtentionMap[slot].name = strdup(procname);
|
|
gGLExtentionMap[slot].address = addr;
|
|
}
|
|
|
|
return addr;
|
|
|
|
|
|
/*
|
|
* TODO: For OpenGL ES extensions, we must generate a stub
|
|
* that looks like
|
|
* mov r12, #0xFFFF0FFF
|
|
* ldr r12, [r12, #-15]
|
|
* ldr r12, [r12, #TLS_SLOT_OPENGL_API*4]
|
|
* mov r12, [r12, #api_offset]
|
|
* ldrne pc, r12
|
|
* mov pc, #unsupported_extension
|
|
*
|
|
* and write the address of the extension in *all*
|
|
* gl_hooks_t::gl_ext_t at offset "api_offset" from gl_hooks_t
|
|
*
|
|
*/
|
|
}
|
|
|
|
EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw)
|
|
{
|
|
if (!validate_display_surface(dpy, draw))
|
|
return EGL_FALSE;
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
egl_surface_t const * const s = get_surface(draw);
|
|
return s->cnx->hooks->egl.eglSwapBuffers(dp->dpys[s->impl], s->surface);
|
|
}
|
|
|
|
EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface,
|
|
NativePixmapType target)
|
|
{
|
|
if (!validate_display_surface(dpy, surface))
|
|
return EGL_FALSE;
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
egl_surface_t const * const s = get_surface(surface);
|
|
return s->cnx->hooks->egl.eglCopyBuffers(
|
|
dp->dpys[s->impl], s->surface, target);
|
|
}
|
|
|
|
const char* eglQueryString(EGLDisplay dpy, EGLint name)
|
|
{
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
switch (name) {
|
|
case EGL_VENDOR:
|
|
return gVendorString;
|
|
case EGL_VERSION:
|
|
return gVersionString;
|
|
case EGL_EXTENSIONS:
|
|
return gExtensionString;
|
|
case EGL_CLIENT_APIS:
|
|
return gClientApiString;
|
|
}
|
|
return setError(EGL_BAD_PARAMETER, (const char *)0);
|
|
}
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// EGL 1.1
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLBoolean eglSurfaceAttrib(
|
|
EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
|
|
{
|
|
if (!validate_display_surface(dpy, surface))
|
|
return EGL_FALSE;
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
egl_surface_t const * const s = get_surface(surface);
|
|
if (s->cnx->hooks->egl.eglSurfaceAttrib) {
|
|
return s->cnx->hooks->egl.eglSurfaceAttrib(
|
|
dp->dpys[s->impl], s->surface, attribute, value);
|
|
}
|
|
return setError(EGL_BAD_SURFACE, EGL_FALSE);
|
|
}
|
|
|
|
EGLBoolean eglBindTexImage(
|
|
EGLDisplay dpy, EGLSurface surface, EGLint buffer)
|
|
{
|
|
if (!validate_display_surface(dpy, surface))
|
|
return EGL_FALSE;
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
egl_surface_t const * const s = get_surface(surface);
|
|
if (s->cnx->hooks->egl.eglBindTexImage) {
|
|
return s->cnx->hooks->egl.eglBindTexImage(
|
|
dp->dpys[s->impl], s->surface, buffer);
|
|
}
|
|
return setError(EGL_BAD_SURFACE, EGL_FALSE);
|
|
}
|
|
|
|
EGLBoolean eglReleaseTexImage(
|
|
EGLDisplay dpy, EGLSurface surface, EGLint buffer)
|
|
{
|
|
if (!validate_display_surface(dpy, surface))
|
|
return EGL_FALSE;
|
|
egl_display_t const * const dp = get_display(dpy);
|
|
egl_surface_t const * const s = get_surface(surface);
|
|
if (s->cnx->hooks->egl.eglReleaseTexImage) {
|
|
return s->cnx->hooks->egl.eglReleaseTexImage(
|
|
dp->dpys[s->impl], s->surface, buffer);
|
|
}
|
|
return setError(EGL_BAD_SURFACE, EGL_FALSE);
|
|
}
|
|
|
|
EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval)
|
|
{
|
|
egl_display_t * const dp = get_display(dpy);
|
|
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
EGLBoolean res = EGL_TRUE;
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso) {
|
|
if (cnx->hooks->egl.eglSwapInterval) {
|
|
if (cnx->hooks->egl.eglSwapInterval(dp->dpys[i], interval) == EGL_FALSE) {
|
|
res = EGL_FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// EGL 1.2
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLBoolean eglWaitClient(void)
|
|
{
|
|
EGLBoolean res = EGL_TRUE;
|
|
EGLContext ctx = getContext();
|
|
if (ctx) {
|
|
egl_context_t const * const c = get_context(ctx);
|
|
if (!c) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
if (uint32_t(c->impl)>=2)
|
|
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
egl_connection_t* const cnx = &gEGLImpl[c->impl];
|
|
if (!cnx->dso)
|
|
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
|
|
if (cnx->hooks->egl.eglWaitClient) {
|
|
res = cnx->hooks->egl.eglWaitClient();
|
|
} else {
|
|
res = cnx->hooks->egl.eglWaitGL();
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
EGLBoolean eglBindAPI(EGLenum api)
|
|
{
|
|
// bind this API on all EGLs
|
|
EGLBoolean res = EGL_TRUE;
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso) {
|
|
if (cnx->hooks->egl.eglBindAPI) {
|
|
if (cnx->hooks->egl.eglBindAPI(api) == EGL_FALSE) {
|
|
res = EGL_FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
EGLenum eglQueryAPI(void)
|
|
{
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso) {
|
|
if (cnx->hooks->egl.eglQueryAPI) {
|
|
// the first one we find is okay, because they all
|
|
// should be the same
|
|
return cnx->hooks->egl.eglQueryAPI();
|
|
}
|
|
}
|
|
}
|
|
// or, it can only be OpenGL ES
|
|
return EGL_OPENGL_ES_API;
|
|
}
|
|
|
|
EGLBoolean eglReleaseThread(void)
|
|
{
|
|
for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) {
|
|
egl_connection_t* const cnx = &gEGLImpl[i];
|
|
if (cnx->dso) {
|
|
if (cnx->hooks->egl.eglReleaseThread) {
|
|
cnx->hooks->egl.eglReleaseThread();
|
|
}
|
|
}
|
|
}
|
|
clearTLS();
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLSurface eglCreatePbufferFromClientBuffer(
|
|
EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
|
|
EGLConfig config, const EGLint *attrib_list)
|
|
{
|
|
egl_display_t const* dp = 0;
|
|
int i=0, index=0;
|
|
egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
|
|
if (!cnx) return EGL_FALSE;
|
|
if (cnx->hooks->egl.eglCreatePbufferFromClientBuffer) {
|
|
return cnx->hooks->egl.eglCreatePbufferFromClientBuffer(
|
|
dp->dpys[i], buftype, buffer, dp->configs[i][index], attrib_list);
|
|
}
|
|
return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE);
|
|
}
|