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Diffstat (limited to 'libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp')
| -rw-r--r-- | libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp b/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp deleted file mode 100644 index f14d7e9..0000000 --- a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp +++ /dev/null @@ -1,353 +0,0 @@ -/* - * Copyright (C) 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 LOG_TAG "SurfaceFlinger" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <math.h> - -#include <cutils/properties.h> - -#include <utils/Log.h> - -#include <ui/EGLDisplaySurface.h> - -#include <GLES/gl.h> -#include <EGL/eglext.h> - - -#include "DisplayHardware/DisplayHardware.h" - -#include <hardware/copybit.h> -#include <hardware/overlay.h> - -using namespace android; - -static __attribute__((noinline)) -const char *egl_strerror(EGLint err) -{ - switch (err){ - case EGL_SUCCESS: return "EGL_SUCCESS"; - case EGL_NOT_INITIALIZED: return "EGL_NOT_INITIALIZED"; - case EGL_BAD_ACCESS: return "EGL_BAD_ACCESS"; - case EGL_BAD_ALLOC: return "EGL_BAD_ALLOC"; - case EGL_BAD_ATTRIBUTE: return "EGL_BAD_ATTRIBUTE"; - case EGL_BAD_CONFIG: return "EGL_BAD_CONFIG"; - case EGL_BAD_CONTEXT: return "EGL_BAD_CONTEXT"; - case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE"; - case EGL_BAD_DISPLAY: return "EGL_BAD_DISPLAY"; - case EGL_BAD_MATCH: return "EGL_BAD_MATCH"; - case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP"; - case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW"; - case EGL_BAD_PARAMETER: return "EGL_BAD_PARAMETER"; - case EGL_BAD_SURFACE: return "EGL_BAD_SURFACE"; - case EGL_CONTEXT_LOST: return "EGL_CONTEXT_LOST"; - default: return "UNKNOWN"; - } -} - -static __attribute__((noinline)) -void checkGLErrors() -{ - GLenum error = glGetError(); - if (error != GL_NO_ERROR) - LOGE("GL error 0x%04x", int(error)); -} - -static __attribute__((noinline)) -void checkEGLErrors(const char* token) -{ - EGLint error = eglGetError(); - // GLESonGL seems to be returning 0 when there is no errors? - if (error && error != EGL_SUCCESS) - LOGE("%s error 0x%04x (%s)", - token, int(error), egl_strerror(error)); -} - - -/* - * Initialize the display to the specified values. - * - */ - -DisplayHardware::DisplayHardware( - const sp<SurfaceFlinger>& flinger, - uint32_t dpy) - : DisplayHardwareBase(flinger, dpy) -{ - init(dpy); -} - -DisplayHardware::~DisplayHardware() -{ - fini(); -} - -float DisplayHardware::getDpiX() const { return mDpiX; } -float DisplayHardware::getDpiY() const { return mDpiY; } -float DisplayHardware::getDensity() const { return mDensity; } -float DisplayHardware::getRefreshRate() const { return mRefreshRate; } -int DisplayHardware::getWidth() const { return mWidth; } -int DisplayHardware::getHeight() const { return mHeight; } -PixelFormat DisplayHardware::getFormat() const { return mFormat; } - -void DisplayHardware::init(uint32_t dpy) -{ - // initialize EGL - const EGLint attribs[] = { - EGL_RED_SIZE, 5, - EGL_GREEN_SIZE, 6, - EGL_BLUE_SIZE, 5, - EGL_DEPTH_SIZE, 0, - EGL_NONE - }; - EGLint w, h, dummy; - EGLint numConfigs, n; - EGLConfig config; - EGLSurface surface; - EGLContext context; - mFlags = 0; - - // TODO: all the extensions below should be queried through - // eglGetProcAddress(). - - EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); - eglInitialize(display, NULL, NULL); - eglGetConfigs(display, NULL, 0, &numConfigs); - eglChooseConfig(display, attribs, &config, 1, &n); - - /* - * Gather EGL extensions - */ - - const char* const egl_extensions = eglQueryString( - display, EGL_EXTENSIONS); - - LOGI("EGL informations:"); - LOGI("# of configs : %d", numConfigs); - LOGI("vendor : %s", eglQueryString(display, EGL_VENDOR)); - LOGI("version : %s", eglQueryString(display, EGL_VERSION)); - LOGI("extensions: %s", egl_extensions); - LOGI("Client API: %s", eglQueryString(display, EGL_CLIENT_APIS)?:"Not Supported"); - - // TODO: get this from the devfb driver (probably should be HAL module) - mFlags |= SWAP_RECTANGLE_EXTENSION; - - // TODO: get the real "update_on_demand" behavior (probably should be HAL module) - mFlags |= UPDATE_ON_DEMAND; - - if (eglGetConfigAttrib(display, config, EGL_CONFIG_CAVEAT, &dummy) == EGL_TRUE) { - if (dummy == EGL_SLOW_CONFIG) - mFlags |= SLOW_CONFIG; - } - - /* - * Create our main surface - */ - - mDisplaySurface = new EGLDisplaySurface(); - - surface = eglCreateWindowSurface(display, config, mDisplaySurface.get(), NULL); - //checkEGLErrors("eglCreateDisplaySurfaceANDROID"); - - if (eglQuerySurface(display, surface, EGL_SWAP_BEHAVIOR, &dummy) == EGL_TRUE) { - if (dummy == EGL_BUFFER_PRESERVED) { - mFlags |= BUFFER_PRESERVED; - } - } - - GLint value = EGL_UNKNOWN; - eglQuerySurface(display, surface, EGL_HORIZONTAL_RESOLUTION, &value); - if (value == EGL_UNKNOWN) { - mDpiX = 160.0f; - } else { - mDpiX = 25.4f * float(value)/EGL_DISPLAY_SCALING; - } - value = EGL_UNKNOWN; - eglQuerySurface(display, surface, EGL_VERTICAL_RESOLUTION, &value); - if (value == EGL_UNKNOWN) { - mDpiY = 160.0f; - } else { - mDpiY = 25.4f * float(value)/EGL_DISPLAY_SCALING; - } - mRefreshRate = 60.f; // TODO: get the real refresh rate - - - char property[PROPERTY_VALUE_MAX]; - if (property_get("ro.sf.lcd_density", property, NULL) <= 0) { - LOGW("ro.sf.lcd_density not defined, using 160 dpi by default."); - strcpy(property, "160"); - } - mDensity = atoi(property) * (1.0f/160.0f); - - - /* - * Create our OpenGL ES context - */ - - context = eglCreateContext(display, config, NULL, NULL); - //checkEGLErrors("eglCreateContext"); - - eglQuerySurface(display, surface, EGL_WIDTH, &mWidth); - eglQuerySurface(display, surface, EGL_HEIGHT, &mHeight); - - - /* - * Gather OpenGL ES extensions - */ - - eglMakeCurrent(display, surface, surface, context); - const char* const gl_extensions = (const char*)glGetString(GL_EXTENSIONS); - LOGI("OpenGL informations:"); - LOGI("vendor : %s", glGetString(GL_VENDOR)); - LOGI("renderer : %s", glGetString(GL_RENDERER)); - LOGI("version : %s", glGetString(GL_VERSION)); - LOGI("extensions: %s", gl_extensions); - - if (strstr(gl_extensions, "GL_ARB_texture_non_power_of_two")) { - mFlags |= NPOT_EXTENSION; - } - if (strstr(gl_extensions, "GL_OES_draw_texture")) { - mFlags |= DRAW_TEXTURE_EXTENSION; - } - if (strstr(gl_extensions, "GL_ANDROID_direct_texture")) { - mFlags |= DIRECT_TEXTURE; - } - - // Unbind the context from this thread - eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - - mDisplay = display; - mConfig = config; - mSurface = surface; - mContext = context; - mFormat = GGL_PIXEL_FORMAT_RGB_565; - - hw_module_t const* module; - - mBlitEngine = NULL; - if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &module) == 0) { - copybit_open(module, &mBlitEngine); - } - - mOverlayEngine = NULL; - if (hw_get_module(OVERLAY_HARDWARE_MODULE_ID, &module) == 0) { - overlay_control_open(module, &mOverlayEngine); - } -} - -/* - * Clean up. Throw out our local state. - * - * (It's entirely possible we'll never get here, since this is meant - * for real hardware, which doesn't restart.) - */ - -void DisplayHardware::fini() -{ - eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - eglTerminate(mDisplay); - copybit_close(mBlitEngine); - overlay_control_close(mOverlayEngine); -} - -void DisplayHardware::releaseScreen() const -{ - DisplayHardwareBase::releaseScreen(); -} - -void DisplayHardware::acquireScreen() const -{ - DisplayHardwareBase::acquireScreen(); -} - -void DisplayHardware::getDisplaySurface(copybit_image_t* img) const -{ - img->w = mDisplaySurface->stride; - img->h = mDisplaySurface->height; - img->format = mDisplaySurface->format; - img->offset = mDisplaySurface->offset; - img->base = (void*)mDisplaySurface->base; - img->fd = mDisplaySurface->fd; -} - -void DisplayHardware::getDisplaySurface(GGLSurface* fb) const -{ - fb->version= sizeof(GGLSurface); - fb->width = mDisplaySurface->width; - fb->height = mDisplaySurface->height; - fb->stride = mDisplaySurface->stride; - fb->format = mDisplaySurface->format; - fb->data = (GGLubyte*)mDisplaySurface->base + mDisplaySurface->offset; -} - -uint32_t DisplayHardware::getPageFlipCount() const { - return mDisplaySurface->getPageFlipCount(); -} - -/* - * "Flip" the front and back buffers. - */ - -void DisplayHardware::flip(const Region& dirty) const -{ - checkGLErrors(); - - EGLDisplay dpy = mDisplay; - EGLSurface surface = mSurface; - - Region newDirty(dirty); - newDirty.andSelf(Rect(mWidth, mHeight)); - - if (mFlags & BUFFER_PRESERVED) { - const Region copyback(mDirty.subtract(newDirty)); - mDirty = newDirty; - mDisplaySurface->copyFrontToBack(copyback); - } - - if (mFlags & SWAP_RECTANGLE_EXTENSION) { - const Rect& b(newDirty.bounds()); - mDisplaySurface->setSwapRectangle( - b.left, b.top, b.width(), b.height()); - } - - eglSwapBuffers(dpy, surface); - checkEGLErrors("eglSwapBuffers"); - - // for debugging - //glClearColor(1,0,0,0); - //glClear(GL_COLOR_BUFFER_BIT); -} - -uint32_t DisplayHardware::getFlags() const -{ - return mFlags; -} - -void DisplayHardware::makeCurrent() const -{ - eglMakeCurrent(mDisplay, mSurface, mSurface, mContext); -} - -void DisplayHardware::copyFrontToImage(const copybit_image_t& front) const { - mDisplaySurface->copyFrontToImage(front); -} - -void DisplayHardware::copyBackToImage(const copybit_image_t& front) const { - mDisplaySurface->copyBackToImage(front); -} |