/* * Mesa 3-D graphics library * * Copyright (C) 2010-2011 Chia-I Wu * Copyright (C) 2010-2011 LunarG Inc. * * Based on platform_x11, which has * * Copyright © 2011 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include #include "loader.h" #include "egl_dri2.h" #include "egl_dri2_fallbacks.h" #include "gralloc_drm.h" #define ALIGN(val, align) (((val) + (align) - 1) & ~((align) - 1)) struct droid_yuv_format { /* Lookup keys */ int native; /* HAL_PIXEL_FORMAT_ */ int is_ycrcb; /* 0 if chroma order is {Cb, Cr}, 1 if {Cr, Cb} */ int chroma_step; /* Distance in bytes between subsequent chroma pixels. */ /* Result */ int fourcc; /* __DRI_IMAGE_FOURCC_ */ }; /* The following table is used to look up a DRI image FourCC based * on native format and information contained in android_ycbcr struct. */ static const struct droid_yuv_format droid_yuv_formats[] = { /* Native format, YCrCb, Chroma step, DRI image FourCC */ { HAL_PIXEL_FORMAT_YCbCr_420_888, 0, 2, __DRI_IMAGE_FOURCC_NV12 }, { HAL_PIXEL_FORMAT_YCbCr_420_888, 0, 1, __DRI_IMAGE_FOURCC_YUV420 }, { HAL_PIXEL_FORMAT_YCbCr_420_888, 1, 1, __DRI_IMAGE_FOURCC_YVU420 }, { HAL_PIXEL_FORMAT_YV12, 1, 1, __DRI_IMAGE_FOURCC_YVU420 }, /* HACK: See droid_create_image_from_prime_fd() and * https://issuetracker.google.com/32077885. */ { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 0, 2, __DRI_IMAGE_FOURCC_NV12 }, { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 0, 1, __DRI_IMAGE_FOURCC_YUV420 }, { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 1, 1, __DRI_IMAGE_FOURCC_YVU420 }, }; static int get_fourcc_yuv(int native, int is_ycrcb, int chroma_step) { for (int i = 0; i < ARRAY_SIZE(droid_yuv_formats); ++i) if (droid_yuv_formats[i].native == native && droid_yuv_formats[i].is_ycrcb == is_ycrcb && droid_yuv_formats[i].chroma_step == chroma_step) return droid_yuv_formats[i].fourcc; return -1; } static bool is_yuv(int native) { for (int i = 0; i < ARRAY_SIZE(droid_yuv_formats); ++i) if (droid_yuv_formats[i].native == native) return true; return false; } static int get_format_bpp(int native) { int bpp; switch (native) { case HAL_PIXEL_FORMAT_RGBA_8888: case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: /* * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack. * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed. */ case HAL_PIXEL_FORMAT_RGBX_8888: case HAL_PIXEL_FORMAT_BGRA_8888: bpp = 4; break; case HAL_PIXEL_FORMAT_RGB_565: bpp = 2; break; default: bpp = 0; break; } return bpp; } /* createImageFromFds requires fourcc format */ static int get_fourcc(int native) { switch (native) { case HAL_PIXEL_FORMAT_RGB_565: return __DRI_IMAGE_FOURCC_RGB565; case HAL_PIXEL_FORMAT_BGRA_8888: return __DRI_IMAGE_FOURCC_ARGB8888; case HAL_PIXEL_FORMAT_RGBA_8888: return __DRI_IMAGE_FOURCC_ABGR8888; case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: /* * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack. * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed. */ case HAL_PIXEL_FORMAT_RGBX_8888: return __DRI_IMAGE_FOURCC_XBGR8888; default: _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", native); } return -1; } static int get_format(int format) { switch (format) { case HAL_PIXEL_FORMAT_BGRA_8888: return __DRI_IMAGE_FORMAT_ARGB8888; case HAL_PIXEL_FORMAT_RGB_565: return __DRI_IMAGE_FORMAT_RGB565; case HAL_PIXEL_FORMAT_RGBA_8888: return __DRI_IMAGE_FORMAT_ABGR8888; case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: /* * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack. * TODO: Revert this once https://issuetracker.google.com/32077885 is fixed. */ case HAL_PIXEL_FORMAT_RGBX_8888: return __DRI_IMAGE_FORMAT_XBGR8888; default: _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", format); } return -1; } static int get_native_buffer_fd(struct ANativeWindowBuffer *buf) { native_handle_t *handle = (native_handle_t *)buf->handle; /* * Various gralloc implementations exist, but the dma-buf fd tends * to be first. Access it directly to avoid a dependency on specific * gralloc versions. */ return (handle && handle->numFds) ? handle->data[0] : -1; } static int get_native_buffer_name(struct ANativeWindowBuffer *buf) { return gralloc_drm_get_gem_handle(buf->handle); } static EGLBoolean droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf) { int fence_fd; if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer, &fence_fd)) return EGL_FALSE; /* If access to the buffer is controlled by a sync fence, then block on the * fence. * * It may be more performant to postpone blocking until there is an * immediate need to write to the buffer. But doing so would require adding * hooks to the DRI2 loader. * * From the ANativeWindow::dequeueBuffer documentation: * * The libsync fence file descriptor returned in the int pointed to by * the fenceFd argument will refer to the fence that must signal * before the dequeued buffer may be written to. A value of -1 * indicates that the caller may access the buffer immediately without * waiting on a fence. If a valid file descriptor is returned (i.e. * any value except -1) then the caller is responsible for closing the * file descriptor. */ if (fence_fd >= 0) { /* From the SYNC_IOC_WAIT documentation in : * * Waits indefinitely if timeout < 0. */ int timeout = -1; sync_wait(fence_fd, timeout); close(fence_fd); } dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common); /* Record all the buffers created by ANativeWindow and update back buffer * for updating buffer's age in swap_buffers. */ EGLBoolean updated = EGL_FALSE; for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { if (!dri2_surf->color_buffers[i].buffer) { dri2_surf->color_buffers[i].buffer = dri2_surf->buffer; } if (dri2_surf->color_buffers[i].buffer == dri2_surf->buffer) { dri2_surf->back = &dri2_surf->color_buffers[i]; updated = EGL_TRUE; break; } } if (!updated) { /* In case of all the buffers were recreated by ANativeWindow, reset * the color_buffers */ for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { dri2_surf->color_buffers[i].buffer = NULL; dri2_surf->color_buffers[i].age = 0; } dri2_surf->color_buffers[0].buffer = dri2_surf->buffer; dri2_surf->back = &dri2_surf->color_buffers[0]; } return EGL_TRUE; } static EGLBoolean droid_window_enqueue_buffer(_EGLDisplay *disp, struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); /* To avoid blocking other EGL calls, release the display mutex before * we enter droid_window_enqueue_buffer() and re-acquire the mutex upon * return. */ mtx_unlock(&disp->Mutex); /* Queue the buffer with stored out fence fd. The ANativeWindow or buffer * consumer may choose to wait for the fence to signal before accessing * it. If fence fd value is -1, buffer can be accessed by consumer * immediately. Consumer or application shouldn't rely on timestamp * associated with fence if the fence fd is -1. * * Ownership of fd is transferred to consumer after queueBuffer and the * consumer is responsible for closing it. Caller must not use the fd * after passing it to queueBuffer. */ int fence_fd = dri2_surf->out_fence_fd; dri2_surf->out_fence_fd = -1; dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer, fence_fd); dri2_surf->buffer->common.decRef(&dri2_surf->buffer->common); dri2_surf->buffer = NULL; dri2_surf->back = NULL; mtx_lock(&disp->Mutex); if (dri2_surf->dri_image_back) { dri2_dpy->image->destroyImage(dri2_surf->dri_image_back); dri2_surf->dri_image_back = NULL; } return EGL_TRUE; } static void droid_window_cancel_buffer(struct dri2_egl_surface *dri2_surf) { int ret; int fence_fd = dri2_surf->out_fence_fd; dri2_surf->out_fence_fd = -1; ret = dri2_surf->window->cancelBuffer(dri2_surf->window, dri2_surf->buffer, fence_fd); if (ret < 0) { _eglLog(_EGL_WARNING, "ANativeWindow::cancelBuffer failed"); dri2_surf->base.Lost = EGL_TRUE; } } static _EGLSurface * droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type, _EGLConfig *conf, void *native_window, const EGLint *attrib_list) { __DRIcreateNewDrawableFunc createNewDrawable; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_config *dri2_conf = dri2_egl_config(conf); struct dri2_egl_surface *dri2_surf; struct ANativeWindow *window = native_window; const __DRIconfig *config; dri2_surf = calloc(1, sizeof *dri2_surf); if (!dri2_surf) { _eglError(EGL_BAD_ALLOC, "droid_create_surface"); return NULL; } if (!dri2_init_surface(&dri2_surf->base, disp, type, conf, attrib_list, true)) goto cleanup_surface; if (type == EGL_WINDOW_BIT) { int format; if (window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) { _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface"); goto cleanup_surface; } if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) { _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface"); goto cleanup_surface; } if (format != dri2_conf->base.NativeVisualID) { _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x", format, dri2_conf->base.NativeVisualID); } window->query(window, NATIVE_WINDOW_WIDTH, &dri2_surf->base.Width); window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height); } config = dri2_get_dri_config(dri2_conf, type, dri2_surf->base.GLColorspace); if (!config) goto cleanup_surface; if (dri2_dpy->image_driver) createNewDrawable = dri2_dpy->image_driver->createNewDrawable; else createNewDrawable = dri2_dpy->dri2->createNewDrawable; dri2_surf->dri_drawable = (*createNewDrawable)(dri2_dpy->dri_screen, config, dri2_surf); if (dri2_surf->dri_drawable == NULL) { _eglError(EGL_BAD_ALLOC, "createNewDrawable"); goto cleanup_surface; } if (window) { window->common.incRef(&window->common); dri2_surf->window = window; } return &dri2_surf->base; cleanup_surface: free(dri2_surf); return NULL; } static _EGLSurface * droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, void *native_window, const EGLint *attrib_list) { return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf, native_window, attrib_list); } static _EGLSurface * droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, const EGLint *attrib_list) { return droid_create_surface(drv, disp, EGL_PBUFFER_BIT, conf, NULL, attrib_list); } static EGLBoolean droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); dri2_egl_surface_free_local_buffers(dri2_surf); if (dri2_surf->base.Type == EGL_WINDOW_BIT) { if (dri2_surf->buffer) droid_window_cancel_buffer(dri2_surf); dri2_surf->window->common.decRef(&dri2_surf->window->common); } if (dri2_surf->dri_image_back) { _eglLog(_EGL_DEBUG, "%s : %d : destroy dri_image_back", __func__, __LINE__); dri2_dpy->image->destroyImage(dri2_surf->dri_image_back); dri2_surf->dri_image_back = NULL; } if (dri2_surf->dri_image_front) { _eglLog(_EGL_DEBUG, "%s : %d : destroy dri_image_front", __func__, __LINE__); dri2_dpy->image->destroyImage(dri2_surf->dri_image_front); dri2_surf->dri_image_front = NULL; } dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable); dri2_fini_surface(surf); free(dri2_surf); return EGL_TRUE; } static int update_buffers(struct dri2_egl_surface *dri2_surf) { if (dri2_surf->base.Lost) return -1; if (dri2_surf->base.Type != EGL_WINDOW_BIT) return 0; /* try to dequeue the next back buffer */ if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf)) { _eglLog(_EGL_WARNING, "Could not dequeue buffer from native window"); dri2_surf->base.Lost = EGL_TRUE; return -1; } /* free outdated buffers and update the surface size */ if (dri2_surf->base.Width != dri2_surf->buffer->width || dri2_surf->base.Height != dri2_surf->buffer->height) { dri2_egl_surface_free_local_buffers(dri2_surf); dri2_surf->base.Width = dri2_surf->buffer->width; dri2_surf->base.Height = dri2_surf->buffer->height; } return 0; } static int get_front_bo(struct dri2_egl_surface *dri2_surf, unsigned int format) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); if (dri2_surf->dri_image_front) return 0; if (dri2_surf->base.Type == EGL_WINDOW_BIT) { /* According current EGL spec, front buffer rendering * for window surface is not supported now. * and mesa doesn't have the implementation of this case. * Add warning message, but not treat it as error. */ _eglLog(_EGL_DEBUG, "DRI driver requested unsupported front buffer for window surface"); } else if (dri2_surf->base.Type == EGL_PBUFFER_BIT) { dri2_surf->dri_image_front = dri2_dpy->image->createImage(dri2_dpy->dri_screen, dri2_surf->base.Width, dri2_surf->base.Height, format, 0, dri2_surf); if (!dri2_surf->dri_image_front) { _eglLog(_EGL_WARNING, "dri2_image_front allocation failed"); return -1; } } return 0; } static int get_back_bo(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); int fourcc, pitch; int offset = 0, fd; if (dri2_surf->dri_image_back) return 0; if (dri2_surf->base.Type == EGL_WINDOW_BIT) { if (!dri2_surf->buffer) { _eglLog(_EGL_WARNING, "Could not get native buffer"); return -1; } fd = get_native_buffer_fd(dri2_surf->buffer); if (fd < 0) { _eglLog(_EGL_WARNING, "Could not get native buffer FD"); return -1; } fourcc = get_fourcc(dri2_surf->buffer->format); pitch = dri2_surf->buffer->stride * get_format_bpp(dri2_surf->buffer->format); if (fourcc == -1 || pitch == 0) { _eglLog(_EGL_WARNING, "Invalid buffer fourcc(%x) or pitch(%d)", fourcc, pitch); return -1; } dri2_surf->dri_image_back = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen, dri2_surf->base.Width, dri2_surf->base.Height, fourcc, &fd, 1, &pitch, &offset, dri2_surf); if (!dri2_surf->dri_image_back) { _eglLog(_EGL_WARNING, "failed to create DRI image from FD"); return -1; } } else if (dri2_surf->base.Type == EGL_PBUFFER_BIT) { /* The EGL 1.5 spec states that pbuffers are single-buffered. Specifically, * the spec states that they have a back buffer but no front buffer, in * contrast to pixmaps, which have a front buffer but no back buffer. * * Single-buffered surfaces with no front buffer confuse Mesa; so we deviate * from the spec, following the precedent of Mesa's EGL X11 platform. The * X11 platform correctly assigns pbuffers to single-buffered configs, but * assigns the pbuffer a front buffer instead of a back buffer. * * Pbuffers in the X11 platform mostly work today, so let's just copy its * behavior instead of trying to fix (and hence potentially breaking) the * world. */ _eglLog(_EGL_DEBUG, "DRI driver requested unsupported back buffer for pbuffer surface"); } return 0; } /* Some drivers will pass multiple bits in buffer_mask. * For such case, will go through all the bits, and * will not return error when unsupported buffer is requested, only * return error when the allocation for supported buffer failed. */ static int droid_image_get_buffers(__DRIdrawable *driDrawable, unsigned int format, uint32_t *stamp, void *loaderPrivate, uint32_t buffer_mask, struct __DRIimageList *images) { struct dri2_egl_surface *dri2_surf = loaderPrivate; images->image_mask = 0; images->front = NULL; images->back = NULL; if (update_buffers(dri2_surf) < 0) return 0; if (buffer_mask & __DRI_IMAGE_BUFFER_FRONT) { if (get_front_bo(dri2_surf, format) < 0) return 0; if (dri2_surf->dri_image_front) { images->front = dri2_surf->dri_image_front; images->image_mask |= __DRI_IMAGE_BUFFER_FRONT; } } if (buffer_mask & __DRI_IMAGE_BUFFER_BACK) { if (get_back_bo(dri2_surf) < 0) return 0; if (dri2_surf->dri_image_back) { images->back = dri2_surf->dri_image_back; images->image_mask |= __DRI_IMAGE_BUFFER_BACK; } } return 1; } static EGLint droid_query_buffer_age(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surface) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface); if (update_buffers(dri2_surf) < 0) { _eglError(EGL_BAD_ALLOC, "droid_query_buffer_age"); return -1; } return dri2_surf->back ? dri2_surf->back->age : 0; } static EGLBoolean droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); if (dri2_surf->base.Type != EGL_WINDOW_BIT) return EGL_TRUE; for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { if (dri2_surf->color_buffers[i].age > 0) dri2_surf->color_buffers[i].age++; } /* "XXX: we don't use get_back_bo() since it causes regressions in * several dEQP tests. */ if (dri2_surf->back) dri2_surf->back->age = 1; dri2_flush_drawable_for_swapbuffers(disp, draw); /* dri2_surf->buffer can be null even when no error has occured. For * example, if the user has called no GL rendering commands since the * previous eglSwapBuffers, then the driver may have not triggered * a callback to ANativeWindow::dequeueBuffer, in which case * dri2_surf->buffer remains null. */ if (dri2_surf->buffer) droid_window_enqueue_buffer(disp, dri2_surf); dri2_dpy->flush->invalidate(dri2_surf->dri_drawable); return EGL_TRUE; } #if ANDROID_API_LEVEL >= 23 static EGLBoolean droid_set_damage_region(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw, const EGLint* rects, EGLint n_rects) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); android_native_rect_t* droid_rects = NULL; int ret; if (n_rects == 0) return EGL_TRUE; droid_rects = malloc(n_rects * sizeof(android_native_rect_t)); if (droid_rects == NULL) return _eglError(EGL_BAD_ALLOC, "eglSetDamageRegionKHR"); for (EGLint num_drects = 0; num_drects < n_rects; num_drects++) { EGLint i = num_drects * 4; droid_rects[num_drects].left = rects[i]; droid_rects[num_drects].bottom = rects[i + 1]; droid_rects[num_drects].right = rects[i] + rects[i + 2]; droid_rects[num_drects].top = rects[i + 1] + rects[i + 3]; } /* * XXX/TODO: Need to check for other return values */ ret = native_window_set_surface_damage(dri2_surf->window, droid_rects, n_rects); free(droid_rects); return ret == 0 ? EGL_TRUE : EGL_FALSE; } #endif static _EGLImage * droid_create_image_from_prime_fd_yuv(_EGLDisplay *disp, _EGLContext *ctx, struct ANativeWindowBuffer *buf, int fd) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct android_ycbcr ycbcr; size_t offsets[3]; size_t pitches[3]; int is_ycrcb; int fourcc; int ret; if (!dri2_dpy->gralloc->lock_ycbcr) { _eglLog(_EGL_WARNING, "Gralloc does not support lock_ycbcr"); return NULL; } memset(&ycbcr, 0, sizeof(ycbcr)); ret = dri2_dpy->gralloc->lock_ycbcr(dri2_dpy->gralloc, buf->handle, 0, 0, 0, 0, 0, &ycbcr); if (ret) { /* HACK: See droid_create_image_from_prime_fd() and * https://issuetracker.google.com/32077885.*/ if (buf->format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) return NULL; _eglLog(_EGL_WARNING, "gralloc->lock_ycbcr failed: %d", ret); return NULL; } dri2_dpy->gralloc->unlock(dri2_dpy->gralloc, buf->handle); /* When lock_ycbcr's usage argument contains no SW_READ/WRITE flags * it will return the .y/.cb/.cr pointers based on a NULL pointer, * so they can be interpreted as offsets. */ offsets[0] = (size_t)ycbcr.y; /* We assume here that all the planes are located in one DMA-buf. */ is_ycrcb = (size_t)ycbcr.cr < (size_t)ycbcr.cb; if (is_ycrcb) { offsets[1] = (size_t)ycbcr.cr; offsets[2] = (size_t)ycbcr.cb; } else { offsets[1] = (size_t)ycbcr.cb; offsets[2] = (size_t)ycbcr.cr; } /* .ystride is the line length (in bytes) of the Y plane, * .cstride is the line length (in bytes) of any of the remaining * Cb/Cr/CbCr planes, assumed to be the same for Cb and Cr for fully * planar formats. */ pitches[0] = ycbcr.ystride; pitches[1] = pitches[2] = ycbcr.cstride; /* .chroma_step is the byte distance between the same chroma channel * values of subsequent pixels, assumed to be the same for Cb and Cr. */ fourcc = get_fourcc_yuv(buf->format, is_ycrcb, ycbcr.chroma_step); if (fourcc == -1) { _eglLog(_EGL_WARNING, "unsupported YUV format, native = %x, is_ycrcb = %d, chroma_step = %d", buf->format, is_ycrcb, ycbcr.chroma_step); return NULL; } if (ycbcr.chroma_step == 2) { /* Semi-planar Y + CbCr or Y + CrCb format. */ const EGLint attr_list_2plane[] = { EGL_WIDTH, buf->width, EGL_HEIGHT, buf->height, EGL_LINUX_DRM_FOURCC_EXT, fourcc, EGL_DMA_BUF_PLANE0_FD_EXT, fd, EGL_DMA_BUF_PLANE0_PITCH_EXT, pitches[0], EGL_DMA_BUF_PLANE0_OFFSET_EXT, offsets[0], EGL_DMA_BUF_PLANE1_FD_EXT, fd, EGL_DMA_BUF_PLANE1_PITCH_EXT, pitches[1], EGL_DMA_BUF_PLANE1_OFFSET_EXT, offsets[1], EGL_NONE, 0 }; return dri2_create_image_dma_buf(disp, ctx, NULL, attr_list_2plane); } else { /* Fully planar Y + Cb + Cr or Y + Cr + Cb format. */ const EGLint attr_list_3plane[] = { EGL_WIDTH, buf->width, EGL_HEIGHT, buf->height, EGL_LINUX_DRM_FOURCC_EXT, fourcc, EGL_DMA_BUF_PLANE0_FD_EXT, fd, EGL_DMA_BUF_PLANE0_PITCH_EXT, pitches[0], EGL_DMA_BUF_PLANE0_OFFSET_EXT, offsets[0], EGL_DMA_BUF_PLANE1_FD_EXT, fd, EGL_DMA_BUF_PLANE1_PITCH_EXT, pitches[1], EGL_DMA_BUF_PLANE1_OFFSET_EXT, offsets[1], EGL_DMA_BUF_PLANE2_FD_EXT, fd, EGL_DMA_BUF_PLANE2_PITCH_EXT, pitches[2], EGL_DMA_BUF_PLANE2_OFFSET_EXT, offsets[2], EGL_NONE, 0 }; return dri2_create_image_dma_buf(disp, ctx, NULL, attr_list_3plane); } } static _EGLImage * droid_create_image_from_prime_fd(_EGLDisplay *disp, _EGLContext *ctx, struct ANativeWindowBuffer *buf, int fd) { unsigned int pitch; if (is_yuv(buf->format)) { _EGLImage *image; image = droid_create_image_from_prime_fd_yuv(disp, ctx, buf, fd); /* * HACK: https://issuetracker.google.com/32077885 * There is no API available to properly query the IMPLEMENTATION_DEFINED * format. As a workaround we rely here on gralloc allocating either * an arbitrary YCbCr 4:2:0 or RGBX_8888, with the latter being recognized * by lock_ycbcr failing. */ if (image || buf->format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) return image; } const int fourcc = get_fourcc(buf->format); if (fourcc == -1) { _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR"); return NULL; } pitch = buf->stride * get_format_bpp(buf->format); if (pitch == 0) { _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR"); return NULL; } const EGLint attr_list[] = { EGL_WIDTH, buf->width, EGL_HEIGHT, buf->height, EGL_LINUX_DRM_FOURCC_EXT, fourcc, EGL_DMA_BUF_PLANE0_FD_EXT, fd, EGL_DMA_BUF_PLANE0_PITCH_EXT, pitch, EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0, EGL_NONE, 0 }; return dri2_create_image_dma_buf(disp, ctx, NULL, attr_list); } static _EGLImage * droid_create_image_from_name(_EGLDisplay *disp, _EGLContext *ctx, struct ANativeWindowBuffer *buf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img; int name; int format; name = get_native_buffer_name(buf); if (!name) { _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR"); return NULL; } format = get_format(buf->format); if (format == -1) return NULL; dri2_img = calloc(1, sizeof(*dri2_img)); if (!dri2_img) { _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm"); return NULL; } _eglInitImage(&dri2_img->base, disp); dri2_img->dri_image = dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen, buf->width, buf->height, format, name, buf->stride, dri2_img); if (!dri2_img->dri_image) { free(dri2_img); _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm"); return NULL; } return &dri2_img->base; } static EGLBoolean droid_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint *value) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); switch (attribute) { case EGL_WIDTH: if (dri2_surf->base.Type == EGL_WINDOW_BIT && dri2_surf->window) { dri2_surf->window->query(dri2_surf->window, NATIVE_WINDOW_DEFAULT_WIDTH, value); return EGL_TRUE; } break; case EGL_HEIGHT: if (dri2_surf->base.Type == EGL_WINDOW_BIT && dri2_surf->window) { dri2_surf->window->query(dri2_surf->window, NATIVE_WINDOW_DEFAULT_HEIGHT, value); return EGL_TRUE; } break; default: break; } return _eglQuerySurface(drv, dpy, surf, attribute, value); } static _EGLImage * dri2_create_image_android_native_buffer(_EGLDisplay *disp, _EGLContext *ctx, struct ANativeWindowBuffer *buf) { int fd; if (ctx != NULL) { /* From the EGL_ANDROID_image_native_buffer spec: * * * If is EGL_NATIVE_BUFFER_ANDROID and is not * EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated. */ _eglError(EGL_BAD_CONTEXT, "eglCreateEGLImageKHR: for " "EGL_NATIVE_BUFFER_ANDROID, the context must be " "EGL_NO_CONTEXT"); return NULL; } if (!buf || buf->common.magic != ANDROID_NATIVE_BUFFER_MAGIC || buf->common.version != sizeof(*buf)) { _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR"); return NULL; } fd = get_native_buffer_fd(buf); if (fd >= 0) return droid_create_image_from_prime_fd(disp, ctx, buf, fd); return droid_create_image_from_name(disp, ctx, buf); } static _EGLImage * droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list) { switch (target) { case EGL_NATIVE_BUFFER_ANDROID: return dri2_create_image_android_native_buffer(disp, ctx, (struct ANativeWindowBuffer *) buffer); default: return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list); } } static void droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate) { } static int droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf, unsigned int *attachments, int count) { int num_buffers = 0; /* fill dri2_surf->buffers */ for (int i = 0; i < count * 2; i += 2) { __DRIbuffer *buf, *local; assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers)); buf = &dri2_surf->buffers[num_buffers]; switch (attachments[i]) { case __DRI_BUFFER_BACK_LEFT: if (dri2_surf->base.Type == EGL_WINDOW_BIT) { buf->attachment = attachments[i]; buf->name = get_native_buffer_name(dri2_surf->buffer); buf->cpp = get_format_bpp(dri2_surf->buffer->format); buf->pitch = dri2_surf->buffer->stride * buf->cpp; buf->flags = 0; if (buf->name) num_buffers++; break; } /* fall through for pbuffers */ case __DRI_BUFFER_DEPTH: case __DRI_BUFFER_STENCIL: case __DRI_BUFFER_ACCUM: case __DRI_BUFFER_DEPTH_STENCIL: case __DRI_BUFFER_HIZ: local = dri2_egl_surface_alloc_local_buffer(dri2_surf, attachments[i], attachments[i + 1]); if (local) { *buf = *local; num_buffers++; } break; case __DRI_BUFFER_FRONT_LEFT: case __DRI_BUFFER_FRONT_RIGHT: case __DRI_BUFFER_FAKE_FRONT_LEFT: case __DRI_BUFFER_FAKE_FRONT_RIGHT: case __DRI_BUFFER_BACK_RIGHT: default: /* no front or right buffers */ break; } } return num_buffers; } static __DRIbuffer * droid_get_buffers_with_format(__DRIdrawable * driDrawable, int *width, int *height, unsigned int *attachments, int count, int *out_count, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; if (update_buffers(dri2_surf) < 0) return NULL; *out_count = droid_get_buffers_parse_attachments(dri2_surf, attachments, count); if (width) *width = dri2_surf->base.Width; if (height) *height = dri2_surf->base.Height; return dri2_surf->buffers; } static unsigned droid_get_capability(void *loaderPrivate, enum dri_loader_cap cap) { /* Note: loaderPrivate is _EGLDisplay* */ switch (cap) { case DRI_LOADER_CAP_RGBA_ORDERING: return 1; default: return 0; } } static EGLBoolean droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy); static const struct { int format; unsigned int rgba_masks[4]; } visuals[] = { { HAL_PIXEL_FORMAT_RGBA_8888, { 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 } }, { HAL_PIXEL_FORMAT_RGBX_8888, { 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000 } }, { HAL_PIXEL_FORMAT_RGB_565, { 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000 } }, { HAL_PIXEL_FORMAT_BGRA_8888, { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 } }, }; unsigned int format_count[ARRAY_SIZE(visuals)] = { 0 }; int config_count = 0; /* The nesting of loops is significant here. Also significant is the order * of the HAL pixel formats. Many Android apps (such as Google's official * NDK GLES2 example app), and even portions the core framework code (such * as SystemServiceManager in Nougat), incorrectly choose their EGLConfig. * They neglect to match the EGLConfig's EGL_NATIVE_VISUAL_ID against the * window's native format, and instead choose the first EGLConfig whose * channel sizes match those of the native window format while ignoring the * channel *ordering*. * * We can detect such buggy clients in logcat when they call * eglCreateSurface, by detecting the mismatch between the EGLConfig's * format and the window's format. * * As a workaround, we generate EGLConfigs such that all EGLConfigs for HAL * pixel format i precede those for HAL pixel format i+1. In my * (chadversary) testing on Android Nougat, this was good enough to pacify * the buggy clients. */ for (int i = 0; i < ARRAY_SIZE(visuals); i++) { for (int j = 0; dri2_dpy->driver_configs[j]; j++) { const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT; const EGLint config_attrs[] = { EGL_NATIVE_VISUAL_ID, visuals[i].format, EGL_NATIVE_VISUAL_TYPE, visuals[i].format, EGL_FRAMEBUFFER_TARGET_ANDROID, EGL_TRUE, EGL_RECORDABLE_ANDROID, EGL_TRUE, EGL_NONE }; struct dri2_egl_config *dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j], config_count + 1, surface_type, config_attrs, visuals[i].rgba_masks); if (dri2_conf) { if (dri2_conf->base.ConfigID == config_count + 1) config_count++; format_count[i]++; } } } for (int i = 0; i < ARRAY_SIZE(format_count); i++) { if (!format_count[i]) { _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x", visuals[i].format); } } return (config_count != 0); } static int droid_open_device(struct dri2_egl_display *dri2_dpy) { int fd = -1, err = -EINVAL; if (dri2_dpy->gralloc->perform) err = dri2_dpy->gralloc->perform(dri2_dpy->gralloc, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd); if (err || fd < 0) { _eglLog(_EGL_WARNING, "fail to get drm fd"); fd = -1; } return (fd >= 0) ? fcntl(fd, F_DUPFD_CLOEXEC, 3) : -1; } static const struct dri2_egl_display_vtbl droid_display_vtbl = { .authenticate = NULL, .create_window_surface = droid_create_window_surface, .create_pixmap_surface = dri2_fallback_create_pixmap_surface, .create_pbuffer_surface = droid_create_pbuffer_surface, .destroy_surface = droid_destroy_surface, .create_image = droid_create_image_khr, .swap_buffers = droid_swap_buffers, .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage, /* Android implements the function */ .swap_buffers_region = dri2_fallback_swap_buffers_region, #if ANDROID_API_LEVEL >= 23 .set_damage_region = droid_set_damage_region, #else .set_damage_region = dri2_fallback_set_damage_region, #endif .post_sub_buffer = dri2_fallback_post_sub_buffer, .copy_buffers = dri2_fallback_copy_buffers, .query_buffer_age = droid_query_buffer_age, .query_surface = droid_query_surface, .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image, .get_sync_values = dri2_fallback_get_sync_values, .get_dri_drawable = dri2_surface_get_dri_drawable, }; static const __DRIdri2LoaderExtension droid_dri2_loader_extension = { .base = { __DRI_DRI2_LOADER, 4 }, .getBuffers = NULL, .flushFrontBuffer = droid_flush_front_buffer, .getBuffersWithFormat = droid_get_buffers_with_format, .getCapability = droid_get_capability, }; static const __DRIimageLoaderExtension droid_image_loader_extension = { .base = { __DRI_IMAGE_LOADER, 2 }, .getBuffers = droid_image_get_buffers, .flushFrontBuffer = droid_flush_front_buffer, .getCapability = droid_get_capability, }; static const __DRIextension *droid_dri2_loader_extensions[] = { &droid_dri2_loader_extension.base, &image_lookup_extension.base, &use_invalidate.base, NULL, }; static const __DRIextension *droid_image_loader_extensions[] = { &droid_image_loader_extension.base, &image_lookup_extension.base, &use_invalidate.base, NULL, }; EGLBoolean dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy; const char *err; int ret; /* Not supported yet */ if (disp->Options.ForceSoftware) return EGL_FALSE; loader_set_logger(_eglLog); dri2_dpy = calloc(1, sizeof(*dri2_dpy)); if (!dri2_dpy) return _eglError(EGL_BAD_ALLOC, "eglInitialize"); dri2_dpy->fd = -1; ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, (const hw_module_t **)&dri2_dpy->gralloc); if (ret) { err = "DRI2: failed to get gralloc module"; goto cleanup; } disp->DriverData = (void *) dri2_dpy; dri2_dpy->fd = droid_open_device(dri2_dpy); if (dri2_dpy->fd < 0) { err = "DRI2: failed to open device"; goto cleanup; } dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd); if (dri2_dpy->driver_name == NULL) { err = "DRI2: failed to get driver name"; goto cleanup; } dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER; /* render nodes cannot use Gem names, and thus do not support * the __DRI_DRI2_LOADER extension */ if (!dri2_dpy->is_render_node) { dri2_dpy->loader_extensions = droid_dri2_loader_extensions; if (!dri2_load_driver(disp)) { err = "DRI2: failed to load driver"; goto cleanup; } } else { dri2_dpy->loader_extensions = droid_image_loader_extensions; if (!dri2_load_driver_dri3(disp)) { err = "DRI3: failed to load driver"; goto cleanup; } } if (!dri2_create_screen(disp)) { err = "DRI2: failed to create screen"; goto cleanup; } if (!dri2_setup_extensions(disp)) { err = "DRI2: failed to setup extensions"; goto cleanup; } dri2_setup_screen(disp); if (!droid_add_configs_for_visuals(drv, disp)) { err = "DRI2: failed to add configs"; goto cleanup; } disp->Extensions.ANDROID_framebuffer_target = EGL_TRUE; disp->Extensions.ANDROID_image_native_buffer = EGL_TRUE; disp->Extensions.ANDROID_recordable = EGL_TRUE; disp->Extensions.EXT_buffer_age = EGL_TRUE; #if ANDROID_API_LEVEL >= 23 disp->Extensions.KHR_partial_update = EGL_TRUE; #endif disp->Extensions.KHR_image = EGL_TRUE; /* Fill vtbl last to prevent accidentally calling virtual function during * initialization. */ dri2_dpy->vtbl = &droid_display_vtbl; return EGL_TRUE; cleanup: dri2_display_destroy(disp); return _eglError(EGL_NOT_INITIALIZED, err); }