352 lines
10 KiB
C++
352 lines
10 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
#include <cutils/properties.h>
|
|
|
|
#include <utils/RefBase.h>
|
|
#include <utils/Log.h>
|
|
|
|
#include <ui/PixelFormat.h>
|
|
#include <ui/FramebufferNativeWindow.h>
|
|
#include <ui/EGLUtils.h>
|
|
|
|
#include <GLES/gl.h>
|
|
#include <EGL/egl.h>
|
|
#include <EGL/eglext.h>
|
|
|
|
#include <pixelflinger/pixelflinger.h>
|
|
|
|
#include "DisplayHardware/DisplayHardware.h"
|
|
|
|
#include <hardware/copybit.h>
|
|
#include <hardware/overlay.h>
|
|
#include <hardware/gralloc.h>
|
|
|
|
using namespace android;
|
|
|
|
|
|
static __attribute__((noinline))
|
|
void checkGLErrors()
|
|
{
|
|
do {
|
|
// there could be more than one error flag
|
|
GLenum error = glGetError();
|
|
if (error == GL_NO_ERROR)
|
|
break;
|
|
LOGE("GL error 0x%04x", int(error));
|
|
} while(true);
|
|
}
|
|
|
|
static __attribute__((noinline))
|
|
void checkEGLErrors(const char* token)
|
|
{
|
|
EGLint error = eglGetError();
|
|
if (error && error != EGL_SUCCESS) {
|
|
LOGE("%s: EGL error 0x%04x (%s)",
|
|
token, int(error), EGLUtils::strerror(error));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Initialize the display to the specified values.
|
|
*
|
|
*/
|
|
|
|
DisplayHardware::DisplayHardware(
|
|
const sp<SurfaceFlinger>& flinger,
|
|
uint32_t dpy)
|
|
: DisplayHardwareBase(flinger, dpy), mFlags(0)
|
|
{
|
|
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; }
|
|
uint32_t DisplayHardware::getMaxTextureSize() const { return mMaxTextureSize; }
|
|
uint32_t DisplayHardware::getMaxViewportDims() const { return mMaxViewportDims; }
|
|
|
|
void DisplayHardware::init(uint32_t dpy)
|
|
{
|
|
mNativeWindow = new FramebufferNativeWindow();
|
|
framebuffer_device_t const * fbDev = mNativeWindow->getDevice();
|
|
|
|
mOverlayEngine = NULL;
|
|
hw_module_t const* module;
|
|
if (hw_get_module(OVERLAY_HARDWARE_MODULE_ID, &module) == 0) {
|
|
overlay_control_open(module, &mOverlayEngine);
|
|
}
|
|
|
|
// initialize EGL
|
|
EGLint attribs[] = {
|
|
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
|
|
EGL_NONE, 0,
|
|
EGL_NONE
|
|
};
|
|
|
|
// debug: disable h/w rendering
|
|
char property[PROPERTY_VALUE_MAX];
|
|
if (property_get("debug.sf.hw", property, NULL) > 0) {
|
|
if (atoi(property) == 0) {
|
|
LOGW("H/W composition disabled");
|
|
attribs[2] = EGL_CONFIG_CAVEAT;
|
|
attribs[3] = EGL_SLOW_CONFIG;
|
|
}
|
|
}
|
|
|
|
EGLint w, h, dummy;
|
|
EGLint numConfigs=0;
|
|
EGLSurface surface;
|
|
EGLContext context;
|
|
|
|
// 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);
|
|
|
|
EGLConfig config;
|
|
status_t err = EGLUtils::selectConfigForNativeWindow(
|
|
display, attribs, mNativeWindow.get(), &config);
|
|
LOGE_IF(err, "couldn't find an EGLConfig matching the screen format");
|
|
|
|
EGLint r,g,b,a;
|
|
eglGetConfigAttrib(display, config, EGL_RED_SIZE, &r);
|
|
eglGetConfigAttrib(display, config, EGL_GREEN_SIZE, &g);
|
|
eglGetConfigAttrib(display, config, EGL_BLUE_SIZE, &b);
|
|
eglGetConfigAttrib(display, config, EGL_ALPHA_SIZE, &a);
|
|
|
|
/*
|
|
* 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");
|
|
LOGI("EGLSurface: %d-%d-%d-%d, config=%p", r, g, b, a, config);
|
|
|
|
|
|
if (mNativeWindow->isUpdateOnDemand()) {
|
|
mFlags |= PARTIAL_UPDATES;
|
|
}
|
|
|
|
if (eglGetConfigAttrib(display, config, EGL_CONFIG_CAVEAT, &dummy) == EGL_TRUE) {
|
|
if (dummy == EGL_SLOW_CONFIG)
|
|
mFlags |= SLOW_CONFIG;
|
|
}
|
|
|
|
/*
|
|
* Create our main surface
|
|
*/
|
|
|
|
surface = eglCreateWindowSurface(display, config, mNativeWindow.get(), NULL);
|
|
|
|
if (mFlags & PARTIAL_UPDATES) {
|
|
// if we have partial updates, we definitely don't need to
|
|
// preserve the backbuffer, which may be costly.
|
|
eglSurfaceAttrib(display, surface,
|
|
EGL_SWAP_BEHAVIOR, EGL_BUFFER_DESTROYED);
|
|
}
|
|
|
|
if (eglQuerySurface(display, surface, EGL_SWAP_BEHAVIOR, &dummy) == EGL_TRUE) {
|
|
if (dummy == EGL_BUFFER_PRESERVED) {
|
|
mFlags |= BUFFER_PRESERVED;
|
|
}
|
|
}
|
|
|
|
eglQuerySurface(display, surface, EGL_WIDTH, &mWidth);
|
|
eglQuerySurface(display, surface, EGL_HEIGHT, &mHeight);
|
|
|
|
#ifdef EGL_ANDROID_swap_rectangle
|
|
if (strstr(egl_extensions, "EGL_ANDROID_swap_rectangle")) {
|
|
if (eglSetSwapRectangleANDROID(display, surface,
|
|
0, 0, mWidth, mHeight) == EGL_TRUE) {
|
|
// This could fail if this extension is not supported by this
|
|
// specific surface (of config)
|
|
mFlags |= SWAP_RECTANGLE;
|
|
}
|
|
}
|
|
// when we have the choice between PARTIAL_UPDATES and SWAP_RECTANGLE
|
|
// choose PARTIAL_UPDATES, which should be more efficient
|
|
if (mFlags & PARTIAL_UPDATES)
|
|
mFlags &= ~SWAP_RECTANGLE;
|
|
#endif
|
|
|
|
|
|
LOGI("flags : %08x", mFlags);
|
|
|
|
mDpiX = mNativeWindow->xdpi;
|
|
mDpiY = mNativeWindow->ydpi;
|
|
mRefreshRate = fbDev->fps;
|
|
|
|
/* Read density from build-specific ro.sf.lcd_density property
|
|
* except if it is overridden by qemu.sf.lcd_density.
|
|
*/
|
|
if (property_get("qemu.sf.lcd_density", property, NULL) <= 0) {
|
|
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");
|
|
}
|
|
} else {
|
|
/* for the emulator case, reset the dpi values too */
|
|
mDpiX = mDpiY = atoi(property);
|
|
}
|
|
mDensity = atoi(property) * (1.0f/160.0f);
|
|
|
|
|
|
/*
|
|
* Create our OpenGL ES context
|
|
*/
|
|
|
|
context = eglCreateContext(display, config, NULL, NULL);
|
|
|
|
/*
|
|
* Gather OpenGL ES extensions
|
|
*/
|
|
|
|
eglMakeCurrent(display, surface, surface, context);
|
|
const char* const gl_extensions = (const char*)glGetString(GL_EXTENSIONS);
|
|
const char* const gl_renderer = (const char*)glGetString(GL_RENDERER);
|
|
LOGI("OpenGL informations:");
|
|
LOGI("vendor : %s", glGetString(GL_VENDOR));
|
|
LOGI("renderer : %s", gl_renderer);
|
|
LOGI("version : %s", glGetString(GL_VERSION));
|
|
LOGI("extensions: %s", gl_extensions);
|
|
|
|
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
|
|
glGetIntegerv(GL_MAX_VIEWPORT_DIMS, &mMaxViewportDims);
|
|
LOGI("GL_MAX_TEXTURE_SIZE = %d", mMaxTextureSize);
|
|
LOGI("GL_MAX_VIEWPORT_DIMS = %d", mMaxViewportDims);
|
|
|
|
|
|
if (strstr(gl_extensions, "GL_ARB_texture_non_power_of_two")) {
|
|
mFlags |= NPOT_EXTENSION;
|
|
}
|
|
#ifdef EGL_ANDROID_image_native_buffer
|
|
if (strstr( gl_extensions, "GL_OES_EGL_image") &&
|
|
(strstr(egl_extensions, "EGL_KHR_image_base") ||
|
|
strstr(egl_extensions, "EGL_KHR_image")) &&
|
|
strstr(egl_extensions, "EGL_ANDROID_image_native_buffer")) {
|
|
mFlags |= DIRECT_TEXTURE;
|
|
}
|
|
#else
|
|
#warning "EGL_ANDROID_image_native_buffer not supported"
|
|
#endif
|
|
|
|
|
|
// 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 = fbDev->format;
|
|
mPageFlipCount = 0;
|
|
}
|
|
|
|
/*
|
|
* 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);
|
|
overlay_control_close(mOverlayEngine);
|
|
}
|
|
|
|
void DisplayHardware::releaseScreen() const
|
|
{
|
|
DisplayHardwareBase::releaseScreen();
|
|
}
|
|
|
|
void DisplayHardware::acquireScreen() const
|
|
{
|
|
DisplayHardwareBase::acquireScreen();
|
|
}
|
|
|
|
uint32_t DisplayHardware::getPageFlipCount() const {
|
|
return mPageFlipCount;
|
|
}
|
|
|
|
status_t DisplayHardware::compositionComplete() const {
|
|
return mNativeWindow->compositionComplete();
|
|
}
|
|
|
|
void DisplayHardware::flip(const Region& dirty) const
|
|
{
|
|
checkGLErrors();
|
|
|
|
EGLDisplay dpy = mDisplay;
|
|
EGLSurface surface = mSurface;
|
|
|
|
#ifdef EGL_ANDROID_swap_rectangle
|
|
if (mFlags & SWAP_RECTANGLE) {
|
|
const Region newDirty(dirty.intersect(bounds()));
|
|
const Rect b(newDirty.getBounds());
|
|
eglSetSwapRectangleANDROID(dpy, surface,
|
|
b.left, b.top, b.width(), b.height());
|
|
}
|
|
#endif
|
|
|
|
if (mFlags & PARTIAL_UPDATES) {
|
|
mNativeWindow->setUpdateRectangle(dirty.getBounds());
|
|
}
|
|
|
|
mPageFlipCount++;
|
|
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);
|
|
}
|