diff options
Diffstat (limited to 'libs/ui/EGLDisplaySurface.cpp')
| -rw-r--r-- | libs/ui/EGLDisplaySurface.cpp | 519 |
1 files changed, 0 insertions, 519 deletions
diff --git a/libs/ui/EGLDisplaySurface.cpp b/libs/ui/EGLDisplaySurface.cpp deleted file mode 100644 index d06c98b..0000000 --- a/libs/ui/EGLDisplaySurface.cpp +++ /dev/null @@ -1,519 +0,0 @@ -/* - ** - ** 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 LOG_TAG "EGLDisplaySurface" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/mman.h> - -#include <cutils/log.h> -#include <cutils/atomic.h> -#include <cutils/properties.h> - -#include <hardware/copybit.h> - -#include <ui/SurfaceComposerClient.h> -#include <ui/DisplayInfo.h> -#include <ui/Rect.h> -#include <ui/Region.h> -#include <ui/EGLDisplaySurface.h> - -#if HAVE_ANDROID_OS -#include <linux/msm_mdp.h> -#endif - -#include <EGL/egl.h> - -#include <pixelflinger/format.h> - - -// ---------------------------------------------------------------------------- - -egl_native_window_t* android_createDisplaySurface() -{ - egl_native_window_t* s = new android::EGLDisplaySurface(); - s->memory_type = NATIVE_MEMORY_TYPE_GPU; - return s; -} - -#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) -#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) - -// ---------------------------------------------------------------------------- -namespace android { -// ---------------------------------------------------------------------------- - -EGLDisplaySurface::EGLDisplaySurface() - : EGLNativeSurface<EGLDisplaySurface>() -{ - egl_native_window_t::version = sizeof(egl_native_window_t); - egl_native_window_t::ident = 0; - egl_native_window_t::incRef = &EGLDisplaySurface::hook_incRef; - egl_native_window_t::decRef = &EGLDisplaySurface::hook_decRef; - egl_native_window_t::swapBuffers = &EGLDisplaySurface::hook_swapBuffers; - egl_native_window_t::connect = 0; - egl_native_window_t::disconnect = 0; - - mFb[0].data = 0; - mFb[1].data = 0; - mBlitEngine = 0; - egl_native_window_t::fd = mapFrameBuffer(); - if (egl_native_window_t::fd >= 0) { - - hw_module_t const* module; - if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &module) == 0) { - copybit_open(module, &mBlitEngine); - } - - const float in2mm = 25.4f; - float refreshRate = 1000000000000000LLU / ( - float( mInfo.upper_margin + mInfo.lower_margin + mInfo.yres ) - * ( mInfo.left_margin + mInfo.right_margin + mInfo.xres ) - * mInfo.pixclock); - - const GGLSurface& buffer = mFb[1 - mIndex]; - egl_native_window_t::width = buffer.width; - egl_native_window_t::height = buffer.height; - egl_native_window_t::stride = buffer.stride; - egl_native_window_t::format = buffer.format; - egl_native_window_t::base = intptr_t(mFb[0].data); - egl_native_window_t::offset = - intptr_t(buffer.data) - egl_native_window_t::base; - egl_native_window_t::flags = 0; - egl_native_window_t::xdpi = (mInfo.xres * in2mm) / mInfo.width; - egl_native_window_t::ydpi = (mInfo.yres * in2mm) / mInfo.height; - egl_native_window_t::fps = refreshRate; - egl_native_window_t::memory_type = NATIVE_MEMORY_TYPE_FB; - // no error, set the magic word - egl_native_window_t::magic = 0x600913; - } - mSwapCount = -1; - mPageFlipCount = 0; -} - -EGLDisplaySurface::~EGLDisplaySurface() -{ - magic = 0; - copybit_close(mBlitEngine); - mBlitEngine = 0; - close(egl_native_window_t::fd); - munmap(mFb[0].data, mSize); - if (!(mFlags & PAGE_FLIP)) - free((void*)mFb[1].data); -} - -void EGLDisplaySurface::hook_incRef(NativeWindowType window) { - EGLDisplaySurface* that = static_cast<EGLDisplaySurface*>(window); - that->incStrong(that); -} -void EGLDisplaySurface::hook_decRef(NativeWindowType window) { - EGLDisplaySurface* that = static_cast<EGLDisplaySurface*>(window); - that->decStrong(that); -} -uint32_t EGLDisplaySurface::hook_swapBuffers(NativeWindowType window) { - EGLDisplaySurface* that = static_cast<EGLDisplaySurface*>(window); - return that->swapBuffers(); -} - -void EGLDisplaySurface::setSwapRectangle(int l, int t, int w, int h) -{ - mInfo.reserved[0] = 0x54445055; // "UPDT"; - mInfo.reserved[1] = (uint16_t)l | ((uint32_t)t << 16); - mInfo.reserved[2] = (uint16_t)(l+w) | ((uint32_t)(t+h) << 16); -} - -uint32_t EGLDisplaySurface::swapBuffers() -{ -#define SHOW_FPS 0 -#if SHOW_FPS - nsecs_t now = systemTime(); - if (mSwapCount == -1) { - mTime = now; - mSwapCount = 0; - mSleep = 0; - } else { - nsecs_t d = now-mTime; - if (d >= seconds(1)) { - double fps = (mSwapCount * double(seconds(1))) / double(d); - LOGD("%f fps, sleep=%d / frame", - fps, (int)ns2us(mSleep / mSwapCount)); - mSwapCount = 0; - mTime = now; - mSleep = 0; - } else { - mSwapCount++; - } - } -#endif - /* If we can't do the page_flip, just copy the back buffer to the front */ - if (!(mFlags & PAGE_FLIP)) { - memcpy(mFb[0].data, mFb[1].data, mInfo.xres*mInfo.yres*2); - return 0; - } - - // do the actual flip - mIndex = 1 - mIndex; - mInfo.activate = FB_ACTIVATE_VBL; - mInfo.yoffset = mIndex ? mInfo.yres : 0; - if (ioctl(egl_native_window_t::fd, FBIOPUT_VSCREENINFO, &mInfo) == -1) { - LOGE("FBIOPUT_VSCREENINFO failed"); - return 0; - } - - /* - * this is a monstrous hack: Because the h/w accelerator is not able - * to render directly into the framebuffer, we need to copy its - * internal framebuffer out to the fb. - * oem[0] is used to access the fd of internal fb. - * All this is needed only in standalone mode, in SurfaceFlinger mode - * we control where the GPU renders. - * We do this only if we have copybit, since this hack is needed only - * with msm7k. - */ - if (egl_native_window_t::memory_type == NATIVE_MEMORY_TYPE_GPU && oem[0] && mBlitEngine) { - copybit_device_t *copybit = mBlitEngine; - copybit_rect_t sdrect = { 0, 0, - egl_native_window_t::width, egl_native_window_t::height }; - copybit_image_t dst = { - egl_native_window_t::width, - egl_native_window_t::height, - egl_native_window_t::format, - egl_native_window_t::offset, - (void*)egl_native_window_t::base, - egl_native_window_t::fd - }; - copybit_image_t src = { - egl_native_window_t::width, - egl_native_window_t::height, - egl_native_window_t::format, // XXX: use proper format - egl_native_window_t::offset, - (void*)egl_native_window_t::base, // XXX: use proper base - egl_native_window_t::oem[0] - }; - region_iterator it(Region(Rect( - egl_native_window_t::width, egl_native_window_t::height))); - copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0); - copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF); - copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_DISABLE); - copybit->stretch(copybit, &dst, &src, &sdrect, &sdrect, &it); - } - - // update the address of the buffer to draw to next - const GGLSurface& buffer = mFb[1 - mIndex]; - egl_native_window_t::offset = - intptr_t(buffer.data) - egl_native_window_t::base; - -#if SHOW_FPS - mSleep += systemTime()-now; -#endif - - mPageFlipCount++; - - // We don't support screen-size changes for now - return 0; -} - -int32_t EGLDisplaySurface::getPageFlipCount() const -{ - return mPageFlipCount; -} - -void EGLDisplaySurface::copyFrontToBack(const Region& copyback) -{ -#if HAVE_ANDROID_OS - if (mBlitEngine) { - copybit_image_t dst = { - w: egl_native_window_t::stride, - h: egl_native_window_t::height, - format: egl_native_window_t::format, - offset: mFb[1-mIndex].data - mFb[0].data, - base: (void*)egl_native_window_t::base, - fd: egl_native_window_t::fd - }; - copybit_image_t src = { - w: egl_native_window_t::stride, - h: egl_native_window_t::height, - format: egl_native_window_t::format, - offset: mFb[mIndex].data - mFb[0].data, - base: (void*)egl_native_window_t::base, - fd: egl_native_window_t::fd - }; - region_iterator it(copyback); - mBlitEngine->blit(mBlitEngine, &dst, &src, &it); - } else -#endif - { - /* no extra copy needed since we copied back to front instead of - * flipping */ - if (!(mFlags & PAGE_FLIP)) { - return; - } - - Region::iterator iterator(copyback); - if (iterator) { - Rect r; - uint8_t* const screen_src = mFb[ mIndex].data; - uint8_t* const screen_dst = mFb[1-mIndex].data; - const size_t bpp = bytesPerPixel(egl_native_window_t::format); - const size_t bpr = egl_native_window_t::stride * bpp; - while (iterator.iterate(&r)) { - ssize_t h = r.bottom - r.top; - if (h) { - size_t size = (r.right - r.left) * bpp; - size_t o = (r.left + egl_native_window_t::stride * r.top) * bpp; - uint8_t* s = screen_src + o; - uint8_t* d = screen_dst + o; - if (size == bpr) { - size *= h; - h = 1; - } - do { - memcpy(d, s, size); - d += bpr; - s += bpr; - } while (--h > 0); - } - } - } - } -} - -void EGLDisplaySurface::copyFrontToImage(const copybit_image_t& dst) -{ -#if HAVE_ANDROID_OS - if (mBlitEngine) { - copybit_image_t src = { - w: egl_native_window_t::stride, - h: egl_native_window_t::height, - format: egl_native_window_t::format, - offset: mFb[mIndex].data - mFb[0].data, - base: (void*)egl_native_window_t::base, - fd: egl_native_window_t::fd - }; - region_iterator it(Region(Rect( - egl_native_window_t::width, egl_native_window_t::height))); - mBlitEngine->blit(mBlitEngine, &dst, &src, &it); - } else -#endif - { - uint8_t* const screen_src = mFb[ mIndex].data; - const size_t bpp = bytesPerPixel(egl_native_window_t::format); - const size_t bpr = egl_native_window_t::stride * bpp; - memcpy((char*)dst.base + dst.offset, screen_src, - bpr*egl_native_window_t::height); - } -} - -void EGLDisplaySurface::copyBackToImage(const copybit_image_t& dst) -{ -#if HAVE_ANDROID_OS - if (mBlitEngine) { - copybit_image_t src = { - w: egl_native_window_t::stride, - h: egl_native_window_t::height, - format: egl_native_window_t::format, - offset: mFb[1-mIndex].data - mFb[0].data, - base: (void*)egl_native_window_t::base, - fd: egl_native_window_t::fd - }; - region_iterator it(Region(Rect( - egl_native_window_t::width, egl_native_window_t::height))); - mBlitEngine->blit(mBlitEngine, &dst, &src, &it); - } else -#endif - { - uint8_t* const screen_src = mFb[1-mIndex].data; - const size_t bpp = bytesPerPixel(egl_native_window_t::format); - const size_t bpr = egl_native_window_t::stride * bpp; - memcpy((char*)dst.base + dst.offset, screen_src, - bpr*egl_native_window_t::height); - } -} - - -status_t EGLDisplaySurface::mapFrameBuffer() -{ - char const * const device_template[] = { - "/dev/graphics/fb%u", - "/dev/fb%u", - 0 }; - int fd = -1; - int i=0; - char name[64]; - while ((fd==-1) && device_template[i]) { - snprintf(name, 64, device_template[i], 0); - fd = open(name, O_RDWR, 0); - i++; - } - if (fd < 0) - return -errno; - - struct fb_fix_screeninfo finfo; - if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1) - return -errno; - - struct fb_var_screeninfo info; - if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1) - return -errno; - - info.reserved[0] = 0; - info.reserved[1] = 0; - info.reserved[2] = 0; - info.xoffset = 0; - info.yoffset = 0; - info.yres_virtual = info.yres * 2; - info.bits_per_pixel = 16; - /* Explicitly request 5/6/5 */ - info.red.offset = 11; - info.red.length = 5; - info.green.offset = 5; - info.green.length = 6; - info.blue.offset = 0; - info.blue.length = 5; - info.transp.offset = 0; - info.transp.length = 0; - info.activate = FB_ACTIVATE_NOW; - - uint32_t flags = PAGE_FLIP; - if (ioctl(fd, FBIOPUT_VSCREENINFO, &info) == -1) { - info.yres_virtual = info.yres; - flags &= ~PAGE_FLIP; - LOGW("FBIOPUT_VSCREENINFO failed, page flipping not supported"); - } - - if (info.yres_virtual < info.yres * 2) { - info.yres_virtual = info.yres; - flags &= ~PAGE_FLIP; - LOGW("page flipping not supported (yres_virtual=%d, requested=%d)", - info.yres_virtual, info.yres*2); - } - - if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1) - return -errno; - - int refreshRate = 1000000000000000LLU / - ( - uint64_t( info.upper_margin + info.lower_margin + info.yres ) - * ( info.left_margin + info.right_margin + info.xres ) - * info.pixclock - ); - - if (refreshRate == 0) { - // bleagh, bad info from the driver - refreshRate = 60*1000; // 60 Hz - } - if (int(info.width) <= 0 || int(info.height) <= 0) { - // the driver doesn't return that information - // default to 160 dpi - info.width = ((info.xres * 25.4f)/160.0f + 0.5f); - info.height = ((info.yres * 25.4f)/160.0f + 0.5f); - } - - float xdpi = (info.xres * 25.4f) / info.width; - float ydpi = (info.yres * 25.4f) / info.height; - float fps = refreshRate / 1000.0f; - - LOGI( "using (fd=%d)\n" - "id = %s\n" - "xres = %d px\n" - "yres = %d px\n" - "xres_virtual = %d px\n" - "yres_virtual = %d px\n" - "bpp = %d\n" - "r = %2u:%u\n" - "g = %2u:%u\n" - "b = %2u:%u\n", - fd, - finfo.id, - info.xres, - info.yres, - info.xres_virtual, - info.yres_virtual, - info.bits_per_pixel, - info.red.offset, info.red.length, - info.green.offset, info.green.length, - info.blue.offset, info.blue.length - ); - - LOGI( "width = %d mm (%f dpi)\n" - "height = %d mm (%f dpi)\n" - "refresh rate = %.2f Hz\n", - info.width, xdpi, - info.height, ydpi, - fps - ); - - - if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1) - return -errno; - - if (finfo.smem_len <= 0) - return -errno; - - /* - * Open and map the display. - */ - - void* buffer = (uint16_t*) mmap( - 0, finfo.smem_len, - PROT_READ | PROT_WRITE, - MAP_SHARED, - fd, 0); - - if (buffer == MAP_FAILED) - return -errno; - - // at least for now, always clear the fb - memset(buffer, 0, finfo.smem_len); - - uint8_t* offscreen[2]; - offscreen[0] = (uint8_t*)buffer; - if (flags & PAGE_FLIP) { - offscreen[1] = (uint8_t*)buffer + finfo.line_length*info.yres; - } else { - offscreen[1] = (uint8_t*)malloc(finfo.smem_len); - if (offscreen[1] == 0) { - munmap(buffer, finfo.smem_len); - return NO_MEMORY; - } - } - - mFlags = flags; - mInfo = info; - mFinfo = finfo; - mSize = finfo.smem_len; - mIndex = 0; - for (int i=0 ; i<2 ; i++) { - mFb[i].version = sizeof(GGLSurface); - mFb[i].width = info.xres; - mFb[i].height = info.yres; - mFb[i].stride = finfo.line_length / (info.bits_per_pixel >> 3); - mFb[i].data = (GGLubyte*)(offscreen[i]); - mFb[i].format = GGL_PIXEL_FORMAT_RGB_565; - } - return fd; -} - -// ---------------------------------------------------------------------------- -}; // namespace android -// ---------------------------------------------------------------------------- |