| /* |
| ** 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. |
| */ |
| |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| |
| #include <ctype.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <hardware/gralloc.h> |
| #include <system/window.h> |
| |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| #include <GLES/gl.h> |
| #include <GLES/glext.h> |
| |
| #include <cutils/log.h> |
| #include <cutils/atomic.h> |
| #include <cutils/compiler.h> |
| #include <cutils/properties.h> |
| #include <cutils/memory.h> |
| |
| #include <utils/KeyedVector.h> |
| #include <utils/SortedVector.h> |
| #include <utils/String8.h> |
| #include <utils/Trace.h> |
| |
| #include "egl_impl.h" |
| #include "egl_tls.h" |
| #include "glestrace.h" |
| #include "hooks.h" |
| |
| #include "egl_display.h" |
| #include "egl_impl.h" |
| #include "egl_object.h" |
| #include "egl_tls.h" |
| #include "egldefs.h" |
| |
| using namespace android; |
| |
| // ---------------------------------------------------------------------------- |
| |
| #define EGL_VERSION_HW_ANDROID 0x3143 |
| |
| struct extention_map_t { |
| const char* name; |
| __eglMustCastToProperFunctionPointerType address; |
| }; |
| |
| static const extention_map_t sExtentionMap[] = { |
| { "eglLockSurfaceKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglLockSurfaceKHR }, |
| { "eglUnlockSurfaceKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglUnlockSurfaceKHR }, |
| { "eglCreateImageKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, |
| { "eglDestroyImageKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, |
| { "eglGetSystemTimeFrequencyNV", |
| (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeFrequencyNV }, |
| { "eglGetSystemTimeNV", |
| (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeNV }, |
| }; |
| |
| // accesses protected by sExtensionMapMutex |
| static DefaultKeyedVector<String8, __eglMustCastToProperFunctionPointerType> sGLExtentionMap; |
| static int sGLExtentionSlot = 0; |
| static pthread_mutex_t sExtensionMapMutex = PTHREAD_MUTEX_INITIALIZER; |
| |
| static void(*findProcAddress(const char* name, |
| const extention_map_t* map, size_t n))() { |
| for (uint32_t i=0 ; i<n ; i++) { |
| if (!strcmp(name, map[i].name)) { |
| return map[i].address; |
| } |
| } |
| return NULL; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| namespace android { |
| extern void setGLHooksThreadSpecific(gl_hooks_t const *value); |
| extern EGLBoolean egl_init_drivers(); |
| extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS]; |
| extern int gEGLDebugLevel; |
| extern gl_hooks_t gHooksTrace; |
| } // namespace android; |
| |
| // ---------------------------------------------------------------------------- |
| |
| static inline void clearError() { egl_tls_t::clearError(); } |
| static inline EGLContext getContext() { return egl_tls_t::getContext(); } |
| |
| // ---------------------------------------------------------------------------- |
| |
| EGLDisplay eglGetDisplay(EGLNativeDisplayType display) |
| { |
| clearError(); |
| |
| uint32_t index = uint32_t(display); |
| if (index >= NUM_DISPLAYS) { |
| return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY); |
| } |
| |
| if (egl_init_drivers() == EGL_FALSE) { |
| return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY); |
| } |
| |
| EGLDisplay dpy = egl_display_t::getFromNativeDisplay(display); |
| return dpy; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Initialization |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) |
| { |
| clearError(); |
| |
| egl_display_ptr dp = get_display(dpy); |
| if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| |
| EGLBoolean res = dp->initialize(major, minor); |
| |
| return res; |
| } |
| |
| EGLBoolean eglTerminate(EGLDisplay dpy) |
| { |
| // NOTE: don't unload the drivers b/c some APIs can be called |
| // after eglTerminate() has been called. eglTerminate() only |
| // terminates an EGLDisplay, not a EGL itself. |
| |
| clearError(); |
| |
| egl_display_ptr dp = get_display(dpy); |
| if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| |
| EGLBoolean res = dp->terminate(); |
| |
| return res; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // configuration |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglGetConfigs( EGLDisplay dpy, |
| EGLConfig *configs, |
| EGLint config_size, EGLint *num_config) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| if (num_config==0) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| EGLBoolean res = EGL_FALSE; |
| *num_config = 0; |
| |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso) { |
| res = cnx->egl.eglGetConfigs( |
| dp->disp.dpy, configs, config_size, num_config); |
| } |
| |
| return res; |
| } |
| |
| EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, |
| EGLConfig *configs, EGLint config_size, |
| EGLint *num_config) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| if (num_config==0) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| EGLBoolean res = EGL_FALSE; |
| *num_config = 0; |
| |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso) { |
| if (attrib_list) { |
| char value[PROPERTY_VALUE_MAX]; |
| property_get("debug.egl.force_msaa", value, "false"); |
| |
| if (!strcmp(value, "true")) { |
| size_t attribCount = 0; |
| EGLint attrib = attrib_list[0]; |
| |
| // Only enable MSAA if the context is OpenGL ES 2.0 and |
| // if a depth buffer is requested |
| const EGLint *attribRendererable = NULL; |
| const EGLint *attribCaveat = NULL; |
| |
| // Count the number of attributes and look for |
| // EGL_RENDERABLE_TYPE and ELG_DEPTH_SIZE |
| while (attrib != EGL_NONE) { |
| attrib = attrib_list[attribCount]; |
| switch (attrib) { |
| case EGL_RENDERABLE_TYPE: |
| attribRendererable = &attrib_list[attribCount]; |
| break; |
| case EGL_CONFIG_CAVEAT: |
| attribCaveat = &attrib_list[attribCount]; |
| break; |
| } |
| attribCount++; |
| } |
| |
| if (attribRendererable && attribRendererable[1] == EGL_OPENGL_ES2_BIT && |
| (!attribCaveat || attribCaveat[1] != EGL_NONE)) { |
| |
| // Insert 2 extra attributes to force-enable MSAA 4x |
| EGLint aaAttribs[attribCount + 4]; |
| aaAttribs[0] = EGL_SAMPLE_BUFFERS; |
| aaAttribs[1] = 1; |
| aaAttribs[2] = EGL_SAMPLES; |
| aaAttribs[3] = 4; |
| |
| memcpy(&aaAttribs[4], attrib_list, attribCount * sizeof(EGLint)); |
| |
| EGLint numConfigAA; |
| EGLBoolean resAA = cnx->egl.eglChooseConfig( |
| dp->disp.dpy, aaAttribs, configs, config_size, &numConfigAA); |
| |
| if (resAA == EGL_TRUE && numConfigAA > 0) { |
| ALOGD("Enabling MSAA 4x"); |
| *num_config = numConfigAA; |
| return resAA; |
| } |
| } |
| } |
| } |
| |
| res = cnx->egl.eglChooseConfig( |
| dp->disp.dpy, attrib_list, configs, config_size, num_config); |
| } |
| return res; |
| } |
| |
| EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, |
| EGLint attribute, EGLint *value) |
| { |
| clearError(); |
| |
| egl_connection_t* cnx = NULL; |
| const egl_display_ptr dp = validate_display_connection(dpy, cnx); |
| if (!dp) return EGL_FALSE; |
| |
| return cnx->egl.eglGetConfigAttrib( |
| dp->disp.dpy, config, attribute, value); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // surfaces |
| // ---------------------------------------------------------------------------- |
| |
| EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config, |
| NativeWindowType window, |
| const EGLint *attrib_list) |
| { |
| clearError(); |
| |
| egl_connection_t* cnx = NULL; |
| egl_display_ptr dp = validate_display_connection(dpy, cnx); |
| if (dp) { |
| EGLDisplay iDpy = dp->disp.dpy; |
| EGLint format; |
| |
| if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) != OK) { |
| ALOGE("EGLNativeWindowType %p already connected to another API", |
| window); |
| return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); |
| } |
| |
| // set the native window's buffers format to match this config |
| if (cnx->egl.eglGetConfigAttrib(iDpy, |
| config, EGL_NATIVE_VISUAL_ID, &format)) { |
| if (format != 0) { |
| int err = native_window_set_buffers_format(window, format); |
| if (err != 0) { |
| ALOGE("error setting native window pixel format: %s (%d)", |
| strerror(-err), err); |
| native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL); |
| return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); |
| } |
| } |
| } |
| |
| // the EGL spec requires that a new EGLSurface default to swap interval |
| // 1, so explicitly set that on the window here. |
| ANativeWindow* anw = reinterpret_cast<ANativeWindow*>(window); |
| anw->setSwapInterval(anw, 1); |
| |
| EGLSurface surface = cnx->egl.eglCreateWindowSurface( |
| iDpy, config, window, attrib_list); |
| if (surface != EGL_NO_SURFACE) { |
| egl_surface_t* s = new egl_surface_t(dp.get(), config, window, |
| surface, cnx); |
| return s; |
| } |
| |
| // EGLSurface creation failed |
| native_window_set_buffers_format(window, 0); |
| native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL); |
| } |
| return EGL_NO_SURFACE; |
| } |
| |
| EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config, |
| NativePixmapType pixmap, |
| const EGLint *attrib_list) |
| { |
| clearError(); |
| |
| egl_connection_t* cnx = NULL; |
| egl_display_ptr dp = validate_display_connection(dpy, cnx); |
| if (dp) { |
| EGLSurface surface = cnx->egl.eglCreatePixmapSurface( |
| dp->disp.dpy, config, pixmap, attrib_list); |
| if (surface != EGL_NO_SURFACE) { |
| egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL, |
| surface, cnx); |
| return s; |
| } |
| } |
| return EGL_NO_SURFACE; |
| } |
| |
| EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config, |
| const EGLint *attrib_list) |
| { |
| clearError(); |
| |
| egl_connection_t* cnx = NULL; |
| egl_display_ptr dp = validate_display_connection(dpy, cnx); |
| if (dp) { |
| EGLSurface surface = cnx->egl.eglCreatePbufferSurface( |
| dp->disp.dpy, config, attrib_list); |
| if (surface != EGL_NO_SURFACE) { |
| egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL, |
| surface, cnx); |
| return s; |
| } |
| } |
| return EGL_NO_SURFACE; |
| } |
| |
| EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| SurfaceRef _s(dp.get(), surface); |
| if (!_s.get()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| |
| egl_surface_t * const s = get_surface(surface); |
| EGLBoolean result = s->cnx->egl.eglDestroySurface(dp->disp.dpy, s->surface); |
| if (result == EGL_TRUE) { |
| _s.terminate(); |
| } |
| return result; |
| } |
| |
| EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface, |
| EGLint attribute, EGLint *value) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| SurfaceRef _s(dp.get(), surface); |
| if (!_s.get()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| |
| egl_surface_t const * const s = get_surface(surface); |
| return s->cnx->egl.eglQuerySurface( |
| dp->disp.dpy, s->surface, attribute, value); |
| } |
| |
| void EGLAPI eglBeginFrame(EGLDisplay dpy, EGLSurface surface) { |
| ATRACE_CALL(); |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) { |
| return; |
| } |
| |
| SurfaceRef _s(dp.get(), surface); |
| if (!_s.get()) { |
| setError(EGL_BAD_SURFACE, EGL_FALSE); |
| return; |
| } |
| |
| int64_t timestamp = systemTime(SYSTEM_TIME_MONOTONIC); |
| |
| egl_surface_t const * const s = get_surface(surface); |
| native_window_set_buffers_timestamp(s->win.get(), timestamp); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Contexts |
| // ---------------------------------------------------------------------------- |
| |
| EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, |
| EGLContext share_list, const EGLint *attrib_list) |
| { |
| clearError(); |
| |
| egl_connection_t* cnx = NULL; |
| const egl_display_ptr dp = validate_display_connection(dpy, cnx); |
| if (dpy) { |
| if (share_list != EGL_NO_CONTEXT) { |
| egl_context_t* const c = get_context(share_list); |
| share_list = c->context; |
| } |
| EGLContext context = cnx->egl.eglCreateContext( |
| dp->disp.dpy, config, share_list, attrib_list); |
| if (context != EGL_NO_CONTEXT) { |
| // figure out if it's a GLESv1 or GLESv2 |
| int version = 0; |
| if (attrib_list) { |
| while (*attrib_list != EGL_NONE) { |
| GLint attr = *attrib_list++; |
| GLint value = *attrib_list++; |
| if (attr == EGL_CONTEXT_CLIENT_VERSION) { |
| if (value == 1) { |
| version = egl_connection_t::GLESv1_INDEX; |
| } else if (value == 2) { |
| version = egl_connection_t::GLESv2_INDEX; |
| } |
| } |
| }; |
| } |
| egl_context_t* c = new egl_context_t(dpy, context, config, cnx, |
| version); |
| #if EGL_TRACE |
| if (gEGLDebugLevel > 0) |
| GLTrace_eglCreateContext(version, c); |
| #endif |
| return c; |
| } else { |
| EGLint error = eglGetError(); |
| ALOGE_IF(error == EGL_SUCCESS, |
| "eglCreateContext(%p, %p, %p, %p) returned EGL_NO_CONTEXT " |
| "but no EGL error!", |
| dpy, config, share_list, attrib_list); |
| } |
| } |
| return EGL_NO_CONTEXT; |
| } |
| |
| EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) |
| return EGL_FALSE; |
| |
| ContextRef _c(dp.get(), ctx); |
| if (!_c.get()) |
| return setError(EGL_BAD_CONTEXT, EGL_FALSE); |
| |
| egl_context_t * const c = get_context(ctx); |
| EGLBoolean result = c->cnx->egl.eglDestroyContext(dp->disp.dpy, c->context); |
| if (result == EGL_TRUE) { |
| _c.terminate(); |
| } |
| return result; |
| } |
| |
| EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, |
| EGLSurface read, EGLContext ctx) |
| { |
| clearError(); |
| |
| egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| |
| // If ctx is not EGL_NO_CONTEXT, read is not EGL_NO_SURFACE, or draw is not |
| // EGL_NO_SURFACE, then an EGL_NOT_INITIALIZED error is generated if dpy is |
| // a valid but uninitialized display. |
| if ( (ctx != EGL_NO_CONTEXT) || (read != EGL_NO_SURFACE) || |
| (draw != EGL_NO_SURFACE) ) { |
| if (!dp->isReady()) return setError(EGL_NOT_INITIALIZED, EGL_FALSE); |
| } |
| |
| // get a reference to the object passed in |
| ContextRef _c(dp.get(), ctx); |
| SurfaceRef _d(dp.get(), draw); |
| SurfaceRef _r(dp.get(), read); |
| |
| // validate the context (if not EGL_NO_CONTEXT) |
| if ((ctx != EGL_NO_CONTEXT) && !_c.get()) { |
| // EGL_NO_CONTEXT is valid |
| return EGL_FALSE; |
| } |
| |
| // these are the underlying implementation's object |
| EGLContext impl_ctx = EGL_NO_CONTEXT; |
| EGLSurface impl_draw = EGL_NO_SURFACE; |
| EGLSurface impl_read = EGL_NO_SURFACE; |
| |
| // these are our objects structs passed in |
| egl_context_t * c = NULL; |
| egl_surface_t const * d = NULL; |
| egl_surface_t const * r = NULL; |
| |
| // these are the current objects structs |
| egl_context_t * cur_c = get_context(getContext()); |
| |
| if (ctx != EGL_NO_CONTEXT) { |
| c = get_context(ctx); |
| impl_ctx = c->context; |
| } else { |
| // no context given, use the implementation of the current context |
| if (cur_c == NULL) { |
| // no current context |
| if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) { |
| // calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT); |
| return setError(EGL_BAD_MATCH, EGL_FALSE); |
| } |
| // not an error, there is just no current context. |
| return EGL_TRUE; |
| } |
| } |
| |
| // retrieve the underlying implementation's draw EGLSurface |
| if (draw != EGL_NO_SURFACE) { |
| d = get_surface(draw); |
| impl_draw = d->surface; |
| } |
| |
| // retrieve the underlying implementation's read EGLSurface |
| if (read != EGL_NO_SURFACE) { |
| r = get_surface(read); |
| impl_read = r->surface; |
| } |
| |
| |
| EGLBoolean result = dp->makeCurrent(c, cur_c, |
| draw, read, ctx, |
| impl_draw, impl_read, impl_ctx); |
| |
| if (result == EGL_TRUE) { |
| if (c) { |
| setGLHooksThreadSpecific(c->cnx->hooks[c->version]); |
| egl_tls_t::setContext(ctx); |
| #if EGL_TRACE |
| if (gEGLDebugLevel > 0) |
| GLTrace_eglMakeCurrent(c->version, c->cnx->hooks[c->version], ctx); |
| #endif |
| _c.acquire(); |
| _r.acquire(); |
| _d.acquire(); |
| } else { |
| setGLHooksThreadSpecific(&gHooksNoContext); |
| egl_tls_t::setContext(EGL_NO_CONTEXT); |
| } |
| } else { |
| // this will ALOGE the error |
| result = setError(c->cnx->egl.eglGetError(), EGL_FALSE); |
| } |
| return result; |
| } |
| |
| |
| EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, |
| EGLint attribute, EGLint *value) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| ContextRef _c(dp.get(), ctx); |
| if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE); |
| |
| egl_context_t * const c = get_context(ctx); |
| return c->cnx->egl.eglQueryContext( |
| dp->disp.dpy, c->context, attribute, value); |
| |
| } |
| |
| EGLContext eglGetCurrentContext(void) |
| { |
| // could be called before eglInitialize(), but we wouldn't have a context |
| // then, and this function would correctly return EGL_NO_CONTEXT. |
| |
| clearError(); |
| |
| EGLContext ctx = getContext(); |
| return ctx; |
| } |
| |
| EGLSurface eglGetCurrentSurface(EGLint readdraw) |
| { |
| // could be called before eglInitialize(), but we wouldn't have a context |
| // then, and this function would correctly return EGL_NO_SURFACE. |
| |
| clearError(); |
| |
| 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) |
| { |
| // could be called before eglInitialize(), but we wouldn't have a context |
| // then, and this function would correctly return EGL_NO_DISPLAY. |
| |
| clearError(); |
| |
| 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) |
| { |
| clearError(); |
| |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (!cnx->dso) |
| return setError(EGL_BAD_CONTEXT, EGL_FALSE); |
| |
| return cnx->egl.eglWaitGL(); |
| } |
| |
| EGLBoolean eglWaitNative(EGLint engine) |
| { |
| clearError(); |
| |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (!cnx->dso) |
| return setError(EGL_BAD_CONTEXT, EGL_FALSE); |
| |
| return cnx->egl.eglWaitNative(engine); |
| } |
| |
| EGLint eglGetError(void) |
| { |
| EGLint err = EGL_SUCCESS; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso) { |
| err = cnx->egl.eglGetError(); |
| } |
| if (err == EGL_SUCCESS) { |
| err = egl_tls_t::getError(); |
| } |
| return err; |
| } |
| |
| __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. |
| |
| clearError(); |
| |
| if (egl_init_drivers() == EGL_FALSE) { |
| setError(EGL_BAD_PARAMETER, NULL); |
| return NULL; |
| } |
| |
| // These extensions should not be exposed to applications. They're used |
| // internally by the Android EGL layer. |
| if (!strcmp(procname, "eglSetBlobCacheFuncsANDROID") || |
| !strcmp(procname, "eglDupNativeFenceFDANDROID") || |
| !strcmp(procname, "eglWaitSyncANDROID") || |
| !strcmp(procname, "eglHibernateProcessIMG") || |
| !strcmp(procname, "eglAwakenProcessIMG")) { |
| return NULL; |
| } |
| |
| __eglMustCastToProperFunctionPointerType addr; |
| addr = findProcAddress(procname, sExtentionMap, NELEM(sExtentionMap)); |
| if (addr) return addr; |
| |
| |
| // this protects accesses to sGLExtentionMap and sGLExtentionSlot |
| pthread_mutex_lock(&sExtensionMapMutex); |
| |
| /* |
| * Since eglGetProcAddress() is not associated to anything, it needs |
| * to return a function pointer that "works" regardless of what |
| * the current context is. |
| * |
| * For this reason, we return a "forwarder", a small stub that takes |
| * care of calling the function associated with the context |
| * currently bound. |
| * |
| * We first look for extensions we've already resolved, if we're seeing |
| * this extension for the first time, we go through all our |
| * implementations and call eglGetProcAddress() and record the |
| * result in the appropriate implementation hooks and return the |
| * address of the forwarder corresponding to that hook set. |
| * |
| */ |
| |
| const String8 name(procname); |
| addr = sGLExtentionMap.valueFor(name); |
| const int slot = sGLExtentionSlot; |
| |
| ALOGE_IF(slot >= MAX_NUMBER_OF_GL_EXTENSIONS, |
| "no more slots for eglGetProcAddress(\"%s\")", |
| procname); |
| |
| #if EGL_TRACE |
| gl_hooks_t *debugHooks = GLTrace_getGLHooks(); |
| #endif |
| |
| if (!addr && (slot < MAX_NUMBER_OF_GL_EXTENSIONS)) { |
| bool found = false; |
| |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglGetProcAddress) { |
| found = true; |
| // Extensions are independent of the bound context |
| cnx->hooks[egl_connection_t::GLESv1_INDEX]->ext.extensions[slot] = |
| cnx->hooks[egl_connection_t::GLESv2_INDEX]->ext.extensions[slot] = |
| #if EGL_TRACE |
| debugHooks->ext.extensions[slot] = |
| gHooksTrace.ext.extensions[slot] = |
| #endif |
| cnx->egl.eglGetProcAddress(procname); |
| } |
| |
| if (found) { |
| addr = gExtensionForwarders[slot]; |
| sGLExtentionMap.add(name, addr); |
| sGLExtentionSlot++; |
| } |
| } |
| |
| pthread_mutex_unlock(&sExtensionMapMutex); |
| return addr; |
| } |
| |
| class FrameCompletionThread : public Thread { |
| public: |
| |
| static void queueSync(EGLSyncKHR sync) { |
| static sp<FrameCompletionThread> thread(new FrameCompletionThread); |
| static bool running = false; |
| if (!running) { |
| thread->run("GPUFrameCompletion"); |
| running = true; |
| } |
| { |
| Mutex::Autolock lock(thread->mMutex); |
| ScopedTrace st(ATRACE_TAG, String8::format("kicked off frame %d", |
| thread->mFramesQueued).string()); |
| thread->mQueue.push_back(sync); |
| thread->mCondition.signal(); |
| thread->mFramesQueued++; |
| ATRACE_INT("GPU Frames Outstanding", thread->mQueue.size()); |
| } |
| } |
| |
| private: |
| FrameCompletionThread() : mFramesQueued(0), mFramesCompleted(0) {} |
| |
| virtual bool threadLoop() { |
| EGLSyncKHR sync; |
| uint32_t frameNum; |
| { |
| Mutex::Autolock lock(mMutex); |
| while (mQueue.isEmpty()) { |
| mCondition.wait(mMutex); |
| } |
| sync = mQueue[0]; |
| frameNum = mFramesCompleted; |
| } |
| EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
| { |
| ScopedTrace st(ATRACE_TAG, String8::format("waiting for frame %d", |
| frameNum).string()); |
| EGLint result = eglClientWaitSyncKHR(dpy, sync, 0, EGL_FOREVER_KHR); |
| if (result == EGL_FALSE) { |
| ALOGE("FrameCompletion: error waiting for fence: %#x", eglGetError()); |
| } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { |
| ALOGE("FrameCompletion: timeout waiting for fence"); |
| } |
| eglDestroySyncKHR(dpy, sync); |
| } |
| { |
| Mutex::Autolock lock(mMutex); |
| mQueue.removeAt(0); |
| mFramesCompleted++; |
| ATRACE_INT("GPU Frames Outstanding", mQueue.size()); |
| } |
| return true; |
| } |
| |
| uint32_t mFramesQueued; |
| uint32_t mFramesCompleted; |
| Vector<EGLSyncKHR> mQueue; |
| Condition mCondition; |
| Mutex mMutex; |
| }; |
| |
| EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) |
| { |
| ATRACE_CALL(); |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| SurfaceRef _s(dp.get(), draw); |
| if (!_s.get()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| |
| #if EGL_TRACE |
| if (gEGLDebugLevel > 0) |
| GLTrace_eglSwapBuffers(dpy, draw); |
| #endif |
| |
| egl_surface_t const * const s = get_surface(draw); |
| |
| if (CC_UNLIKELY(dp->finishOnSwap)) { |
| uint32_t pixel; |
| egl_context_t * const c = get_context( egl_tls_t::getContext() ); |
| if (c) { |
| // glReadPixels() ensures that the frame is complete |
| s->cnx->hooks[c->version]->gl.glReadPixels(0,0,1,1, |
| GL_RGBA,GL_UNSIGNED_BYTE,&pixel); |
| } |
| } |
| |
| EGLBoolean result = s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface); |
| |
| if (CC_UNLIKELY(dp->traceGpuCompletion)) { |
| EGLSyncKHR sync = EGL_NO_SYNC_KHR; |
| { |
| sync = eglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, NULL); |
| } |
| if (sync != EGL_NO_SYNC_KHR) { |
| FrameCompletionThread::queueSync(sync); |
| } |
| } |
| |
| return result; |
| } |
| |
| EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface, |
| NativePixmapType target) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| SurfaceRef _s(dp.get(), surface); |
| if (!_s.get()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| |
| egl_surface_t const * const s = get_surface(surface); |
| return s->cnx->egl.eglCopyBuffers(dp->disp.dpy, s->surface, target); |
| } |
| |
| const char* eglQueryString(EGLDisplay dpy, EGLint name) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return (const char *) NULL; |
| |
| switch (name) { |
| case EGL_VENDOR: |
| return dp->getVendorString(); |
| case EGL_VERSION: |
| return dp->getVersionString(); |
| case EGL_EXTENSIONS: |
| return dp->getExtensionString(); |
| case EGL_CLIENT_APIS: |
| return dp->getClientApiString(); |
| case EGL_VERSION_HW_ANDROID: |
| return dp->disp.queryString.version; |
| } |
| return setError(EGL_BAD_PARAMETER, (const char *)0); |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| // EGL 1.1 |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglSurfaceAttrib( |
| EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| SurfaceRef _s(dp.get(), surface); |
| if (!_s.get()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| |
| egl_surface_t const * const s = get_surface(surface); |
| if (s->cnx->egl.eglSurfaceAttrib) { |
| return s->cnx->egl.eglSurfaceAttrib( |
| dp->disp.dpy, s->surface, attribute, value); |
| } |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| } |
| |
| EGLBoolean eglBindTexImage( |
| EGLDisplay dpy, EGLSurface surface, EGLint buffer) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| SurfaceRef _s(dp.get(), surface); |
| if (!_s.get()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| |
| egl_surface_t const * const s = get_surface(surface); |
| if (s->cnx->egl.eglBindTexImage) { |
| return s->cnx->egl.eglBindTexImage( |
| dp->disp.dpy, s->surface, buffer); |
| } |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| } |
| |
| EGLBoolean eglReleaseTexImage( |
| EGLDisplay dpy, EGLSurface surface, EGLint buffer) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| SurfaceRef _s(dp.get(), surface); |
| if (!_s.get()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| |
| egl_surface_t const * const s = get_surface(surface); |
| if (s->cnx->egl.eglReleaseTexImage) { |
| return s->cnx->egl.eglReleaseTexImage( |
| dp->disp.dpy, s->surface, buffer); |
| } |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| } |
| |
| EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| EGLBoolean res = EGL_TRUE; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglSwapInterval) { |
| res = cnx->egl.eglSwapInterval(dp->disp.dpy, interval); |
| } |
| |
| return res; |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| // EGL 1.2 |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglWaitClient(void) |
| { |
| clearError(); |
| |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (!cnx->dso) |
| return setError(EGL_BAD_CONTEXT, EGL_FALSE); |
| |
| EGLBoolean res; |
| if (cnx->egl.eglWaitClient) { |
| res = cnx->egl.eglWaitClient(); |
| } else { |
| res = cnx->egl.eglWaitGL(); |
| } |
| return res; |
| } |
| |
| EGLBoolean eglBindAPI(EGLenum api) |
| { |
| clearError(); |
| |
| if (egl_init_drivers() == EGL_FALSE) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| // bind this API on all EGLs |
| EGLBoolean res = EGL_TRUE; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglBindAPI) { |
| res = cnx->egl.eglBindAPI(api); |
| } |
| return res; |
| } |
| |
| EGLenum eglQueryAPI(void) |
| { |
| clearError(); |
| |
| if (egl_init_drivers() == EGL_FALSE) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglQueryAPI) { |
| return cnx->egl.eglQueryAPI(); |
| } |
| |
| // or, it can only be OpenGL ES |
| return EGL_OPENGL_ES_API; |
| } |
| |
| EGLBoolean eglReleaseThread(void) |
| { |
| clearError(); |
| |
| // If there is context bound to the thread, release it |
| egl_display_t::loseCurrent(get_context(getContext())); |
| |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglReleaseThread) { |
| cnx->egl.eglReleaseThread(); |
| } |
| |
| egl_tls_t::clearTLS(); |
| #if EGL_TRACE |
| if (gEGLDebugLevel > 0) |
| GLTrace_eglReleaseThread(); |
| #endif |
| return EGL_TRUE; |
| } |
| |
| EGLSurface eglCreatePbufferFromClientBuffer( |
| EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, |
| EGLConfig config, const EGLint *attrib_list) |
| { |
| clearError(); |
| |
| egl_connection_t* cnx = NULL; |
| const egl_display_ptr dp = validate_display_connection(dpy, cnx); |
| if (!dp) return EGL_FALSE; |
| if (cnx->egl.eglCreatePbufferFromClientBuffer) { |
| return cnx->egl.eglCreatePbufferFromClientBuffer( |
| dp->disp.dpy, buftype, buffer, config, attrib_list); |
| } |
| return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // EGL_EGLEXT_VERSION 3 |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface, |
| const EGLint *attrib_list) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| SurfaceRef _s(dp.get(), surface); |
| if (!_s.get()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| |
| egl_surface_t const * const s = get_surface(surface); |
| if (s->cnx->egl.eglLockSurfaceKHR) { |
| return s->cnx->egl.eglLockSurfaceKHR( |
| dp->disp.dpy, s->surface, attrib_list); |
| } |
| return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| } |
| |
| EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| SurfaceRef _s(dp.get(), surface); |
| if (!_s.get()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| |
| egl_surface_t const * const s = get_surface(surface); |
| if (s->cnx->egl.eglUnlockSurfaceKHR) { |
| return s->cnx->egl.eglUnlockSurfaceKHR(dp->disp.dpy, s->surface); |
| } |
| return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| } |
| |
| EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, |
| EGLClientBuffer buffer, const EGLint *attrib_list) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_NO_IMAGE_KHR; |
| |
| ContextRef _c(dp.get(), ctx); |
| egl_context_t * const c = _c.get(); |
| |
| EGLImageKHR result = EGL_NO_IMAGE_KHR; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglCreateImageKHR) { |
| result = cnx->egl.eglCreateImageKHR( |
| dp->disp.dpy, |
| c ? c->context : EGL_NO_CONTEXT, |
| target, buffer, attrib_list); |
| } |
| return result; |
| } |
| |
| EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglDestroyImageKHR) { |
| cnx->egl.eglDestroyImageKHR(dp->disp.dpy, img); |
| } |
| return EGL_TRUE; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // EGL_EGLEXT_VERSION 5 |
| // ---------------------------------------------------------------------------- |
| |
| |
| EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_NO_SYNC_KHR; |
| |
| EGLSyncKHR result = EGL_NO_SYNC_KHR; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglCreateSyncKHR) { |
| result = cnx->egl.eglCreateSyncKHR(dp->disp.dpy, type, attrib_list); |
| } |
| return result; |
| } |
| |
| EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| EGLBoolean result = EGL_FALSE; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglDestroySyncKHR) { |
| result = cnx->egl.eglDestroySyncKHR(dp->disp.dpy, sync); |
| } |
| return result; |
| } |
| |
| EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, |
| EGLint flags, EGLTimeKHR timeout) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| EGLBoolean result = EGL_FALSE; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglClientWaitSyncKHR) { |
| result = cnx->egl.eglClientWaitSyncKHR( |
| dp->disp.dpy, sync, flags, timeout); |
| } |
| return result; |
| } |
| |
| EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, |
| EGLint attribute, EGLint *value) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_FALSE; |
| |
| EGLBoolean result = EGL_FALSE; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglGetSyncAttribKHR) { |
| result = cnx->egl.eglGetSyncAttribKHR( |
| dp->disp.dpy, sync, attribute, value); |
| } |
| return result; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // ANDROID extensions |
| // ---------------------------------------------------------------------------- |
| |
| EGLint eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSyncKHR sync) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_NO_NATIVE_FENCE_FD_ANDROID; |
| |
| EGLint result = EGL_NO_NATIVE_FENCE_FD_ANDROID; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglDupNativeFenceFDANDROID) { |
| result = cnx->egl.eglDupNativeFenceFDANDROID(dp->disp.dpy, sync); |
| } |
| return result; |
| } |
| |
| EGLint eglWaitSyncANDROID(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags) |
| { |
| clearError(); |
| |
| const egl_display_ptr dp = validate_display(dpy); |
| if (!dp) return EGL_NO_NATIVE_FENCE_FD_ANDROID; |
| |
| EGLint result = EGL_FALSE; |
| egl_connection_t* const cnx = &gEGLImpl; |
| if (cnx->dso && cnx->egl.eglWaitSyncANDROID) { |
| result = cnx->egl.eglWaitSyncANDROID(dp->disp.dpy, sync, flags); |
| } |
| return result; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // NVIDIA extensions |
| // ---------------------------------------------------------------------------- |
| EGLuint64NV eglGetSystemTimeFrequencyNV() |
| { |
| clearError(); |
| |
| if (egl_init_drivers() == EGL_FALSE) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| EGLuint64NV ret = 0; |
| egl_connection_t* const cnx = &gEGLImpl; |
| |
| if (cnx->dso && cnx->egl.eglGetSystemTimeFrequencyNV) { |
| return cnx->egl.eglGetSystemTimeFrequencyNV(); |
| } |
| |
| return setErrorQuiet(EGL_BAD_DISPLAY, 0); |
| } |
| |
| EGLuint64NV eglGetSystemTimeNV() |
| { |
| clearError(); |
| |
| if (egl_init_drivers() == EGL_FALSE) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| EGLuint64NV ret = 0; |
| egl_connection_t* const cnx = &gEGLImpl; |
| |
| if (cnx->dso && cnx->egl.eglGetSystemTimeNV) { |
| return cnx->egl.eglGetSystemTimeNV(); |
| } |
| |
| return setErrorQuiet(EGL_BAD_DISPLAY, 0); |
| } |