/* * 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 #include #include #include #include #include "util/compiler.h" #include "util/libsync.h" #include "util/os_file.h" #include "main/glconfig.h" #include "egl_dri2.h" #include "eglglobals.h" #include "loader.h" #include "loader_dri_helper.h" #include "platform_android.h" #include "dri_util.h" static __DRIimage * droid_create_image_from_buffer_info( struct dri2_egl_display *dri2_dpy, int width, int height, struct u_gralloc_buffer_basic_info *buf_info, struct u_gralloc_buffer_color_info *color_info, void *priv) { unsigned error; return dri2_from_dma_bufs( dri2_dpy->dri_screen_render_gpu, width, height, buf_info->drm_fourcc, buf_info->modifier, buf_info->fds, buf_info->num_planes, buf_info->strides, buf_info->offsets, color_info->yuv_color_space, color_info->sample_range, color_info->horizontal_siting, color_info->vertical_siting, 0, &error, priv); } static __DRIimage * droid_create_image_from_native_buffer(_EGLDisplay *disp, struct ANativeWindowBuffer *buf, void *priv) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct u_gralloc_buffer_basic_info buf_info; struct u_gralloc_buffer_color_info color_info = { .yuv_color_space = __DRI_YUV_COLOR_SPACE_ITU_REC601, .sample_range = __DRI_YUV_NARROW_RANGE, .horizontal_siting = __DRI_YUV_CHROMA_SITING_0, .vertical_siting = __DRI_YUV_CHROMA_SITING_0, }; struct u_gralloc_buffer_handle gr_handle = { .handle = buf->handle, .hal_format = buf->format, .pixel_stride = buf->stride, }; __DRIimage *img = NULL; if (u_gralloc_get_buffer_basic_info(dri2_dpy->gralloc, &gr_handle, &buf_info)) return 0; /* May fail in some cases, defaults will be used in that case */ u_gralloc_get_buffer_color_info(dri2_dpy->gralloc, &gr_handle, &color_info); img = droid_create_image_from_buffer_info(dri2_dpy, buf->width, buf->height, &buf_info, &color_info, priv); if (!img) { /* If dri driver is gallium virgl, real modifier info queried back from * CrOS info (and potentially mapper metadata if integrated later) cannot * get resolved and the buffer import will fail. Thus the fallback * behavior is preserved so that the buffer can be imported without * modifier info as a last resort. */ buf_info.modifier = DRM_FORMAT_MOD_INVALID; img = droid_create_image_from_buffer_info( dri2_dpy, buf->width, buf->height, &buf_info, &color_info, priv); } return img; } static void handle_in_fence_fd(struct dri2_egl_surface *dri2_surf, __DRIimage *img) { _EGLDisplay *disp = dri2_surf->base.Resource.Display; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (dri2_surf->in_fence_fd < 0) return; validate_fence_fd(dri2_surf->in_fence_fd); if (dri2_dpy->has_native_fence_fd) { dri2_set_in_fence_fd(img, dri2_surf->in_fence_fd); } else { sync_wait(dri2_surf->in_fence_fd, -1); } } static void close_in_fence_fd(struct dri2_egl_surface *dri2_surf) { validate_fence_fd(dri2_surf->in_fence_fd); if (dri2_surf->in_fence_fd >= 0) close(dri2_surf->in_fence_fd); dri2_surf->in_fence_fd = -1; } static EGLBoolean droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf) { int fence_fd; if (ANativeWindow_dequeueBuffer(dri2_surf->window, &dri2_surf->buffer, &fence_fd)) return EGL_FALSE; close_in_fence_fd(dri2_surf); validate_fence_fd(fence_fd); dri2_surf->in_fence_fd = fence_fd; /* 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 < dri2_surf->color_buffers_count; 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 < dri2_surf->color_buffers_count; 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) { /* 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; ANativeWindow_queueBuffer(dri2_surf->window, dri2_surf->buffer, fence_fd); dri2_surf->buffer = NULL; dri2_surf->back = NULL; if (dri2_surf->dri_image_back) { dri2_destroy_image(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 = ANativeWindow_cancelBuffer(dri2_surf->window, dri2_surf->buffer, fence_fd); dri2_surf->buffer = NULL; if (ret < 0) { _eglLog(_EGL_WARNING, "ANativeWindow_cancelBuffer failed"); dri2_surf->base.Lost = EGL_TRUE; } close_in_fence_fd(dri2_surf); } static bool droid_set_shared_buffer_mode(_EGLDisplay *disp, _EGLSurface *surf, bool mode) { #if ANDROID_API_LEVEL >= 24 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); struct ANativeWindow *window = dri2_surf->window; assert(surf->Type == EGL_WINDOW_BIT); assert(_eglSurfaceHasMutableRenderBuffer(&dri2_surf->base)); _eglLog(_EGL_DEBUG, "%s: mode=%d", __func__, mode); if (ANativeWindow_setSharedBufferMode(window, mode)) { _eglLog(_EGL_WARNING, "failed ANativeWindow_setSharedBufferMode" "(window=%p, mode=%d)", window, mode); return false; } if (mode) dri2_surf->gralloc_usage |= dri2_dpy->front_rendering_usage; else dri2_surf->gralloc_usage &= ~dri2_dpy->front_rendering_usage; if (ANativeWindow_setUsage(window, dri2_surf->gralloc_usage)) { _eglLog(_EGL_WARNING, "failed ANativeWindow_setUsage(window=%p, usage=%u)", window, dri2_surf->gralloc_usage); return false; } return true; #else _eglLog(_EGL_FATAL, "%s:%d: internal error: unreachable", __FILE__, __LINE__); return false; #endif } static _EGLSurface * droid_create_surface(_EGLDisplay *disp, EGLint type, _EGLConfig *conf, void *native_window, const EGLint *attrib_list) { 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; } dri2_surf->in_fence_fd = -1; if (!dri2_init_surface(&dri2_surf->base, disp, type, conf, attrib_list, true, native_window)) goto cleanup_surface; if (type == EGL_WINDOW_BIT) { int format; int buffer_count; int min_undequeued_buffers; format = ANativeWindow_getFormat(window); if (format < 0) { _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface"); goto cleanup_surface; } /* Query ANativeWindow for MIN_UNDEQUEUED_BUFFER, minimum amount * of undequeued buffers. */ if (ANativeWindow_query(window, ANATIVEWINDOW_QUERY_MIN_UNDEQUEUED_BUFFERS, &min_undequeued_buffers)) { _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface"); goto cleanup_surface; } /* Required buffer caching slots. */ buffer_count = min_undequeued_buffers + 2; dri2_surf->color_buffers = calloc(buffer_count, sizeof(*dri2_surf->color_buffers)); if (!dri2_surf->color_buffers) { _eglError(EGL_BAD_ALLOC, "droid_create_surface"); goto cleanup_surface; } dri2_surf->color_buffers_count = buffer_count; if (format != dri2_conf->base.NativeVisualID) { _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x", format, dri2_conf->base.NativeVisualID); } ANativeWindow_query(window, ANATIVEWINDOW_QUERY_DEFAULT_WIDTH, &dri2_surf->base.Width); ANativeWindow_query(window, ANATIVEWINDOW_QUERY_DEFAULT_HEIGHT, &dri2_surf->base.Height); dri2_surf->gralloc_usage = ((strcmp(dri2_dpy->driver_name, "kms_swrast") == 0) || (strcmp(dri2_dpy->driver_name, "swrast") == 0)) ? GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN : GRALLOC_USAGE_HW_RENDER; if (dri2_surf->base.ActiveRenderBuffer == EGL_SINGLE_BUFFER) dri2_surf->gralloc_usage |= dri2_dpy->front_rendering_usage; if (ANativeWindow_setUsage(window, dri2_surf->gralloc_usage)) { _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface"); goto cleanup_surface; } } config = dri2_get_dri_config(dri2_conf, type, dri2_surf->base.GLColorspace); if (!config) { _eglError(EGL_BAD_MATCH, "Unsupported surfacetype/colorspace configuration"); goto cleanup_surface; } if (!dri2_create_drawable(dri2_dpy, config, dri2_surf, dri2_surf)) goto cleanup_surface; if (window) { ANativeWindow_acquire(window); dri2_surf->window = window; } return &dri2_surf->base; cleanup_surface: if (dri2_surf->color_buffers_count) free(dri2_surf->color_buffers); free(dri2_surf); return NULL; } static _EGLSurface * droid_create_window_surface(_EGLDisplay *disp, _EGLConfig *conf, void *native_window, const EGLint *attrib_list) { return droid_create_surface(disp, EGL_WINDOW_BIT, conf, native_window, attrib_list); } static _EGLSurface * droid_create_pbuffer_surface(_EGLDisplay *disp, _EGLConfig *conf, const EGLint *attrib_list) { return droid_create_surface(disp, EGL_PBUFFER_BIT, conf, NULL, attrib_list); } static EGLBoolean droid_destroy_surface(_EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); if (dri2_surf->base.Type == EGL_WINDOW_BIT) { if (dri2_surf->buffer) droid_window_cancel_buffer(dri2_surf); ANativeWindow_release(dri2_surf->window); } if (dri2_surf->dri_image_back) { _eglLog(_EGL_DEBUG, "%s : %d : destroy dri_image_back", __func__, __LINE__); dri2_destroy_image(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_destroy_image(dri2_surf->dri_image_front); dri2_surf->dri_image_front = NULL; } driDestroyDrawable(dri2_surf->dri_drawable); close_in_fence_fd(dri2_surf); dri2_fini_surface(surf); free(dri2_surf->color_buffers); free(dri2_surf); return EGL_TRUE; } static EGLBoolean droid_swap_interval(_EGLDisplay *disp, _EGLSurface *surf, EGLint interval) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); struct ANativeWindow *window = dri2_surf->window; if (ANativeWindow_setSwapInterval(window, interval)) return EGL_FALSE; surf->SwapInterval = interval; 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_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 = dri_create_image( dri2_dpy->dri_screen_render_gpu, dri2_surf->base.Width, dri2_surf->base.Height, format, NULL, 0, 0, NULL); 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) { _EGLDisplay *disp = dri2_surf->base.Resource.Display; 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; } dri2_surf->dri_image_back = droid_create_image_from_native_buffer(disp, dri2_surf->buffer, NULL); if (!dri2_surf->dri_image_back) { _eglLog(_EGL_WARNING, "failed to create DRI image from FD"); return -1; } handle_in_fence_fd(dri2_surf, dri2_surf->dri_image_back); } 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 (_eglSurfaceInSharedBufferMode(&dri2_surf->base)) { if (get_back_bo(dri2_surf) < 0) return 0; /* We have dri_image_back because this is a window surface and * get_back_bo() succeeded. */ assert(dri2_surf->dri_image_back); images->back = dri2_surf->dri_image_back; images->image_mask |= __DRI_IMAGE_BUFFER_SHARED; /* There exists no accompanying back nor front buffer. */ return 1; } 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(_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(_EGLDisplay *disp, _EGLSurface *draw) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); const bool has_mutable_rb = _eglSurfaceHasMutableRenderBuffer(draw); /* From the EGL_KHR_mutable_render_buffer spec (v12): * * If surface is a single-buffered window, pixmap, or pbuffer surface * for which there is no pending change to the EGL_RENDER_BUFFER * attribute, eglSwapBuffers has no effect. */ if (has_mutable_rb && draw->RequestedRenderBuffer == EGL_SINGLE_BUFFER && draw->ActiveRenderBuffer == EGL_SINGLE_BUFFER) { _eglLog(_EGL_DEBUG, "%s: remain in shared buffer mode", __func__); return EGL_TRUE; } for (int i = 0; i < dri2_surf->color_buffers_count; 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_flags(disp, draw, __DRI2_NOTHROTTLE_SWAPBUFFER); if (dri2_dpy->pure_swrast) { driSwapBuffers(dri2_surf->dri_drawable); if (dri2_surf->buffer) droid_window_enqueue_buffer(disp, dri2_surf); } else { /* dri2_surf->buffer can be null even when no error has occurred. 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); dri_invalidate_drawable(dri2_surf->dri_drawable); } /* Update the shared buffer mode */ if (has_mutable_rb && draw->ActiveRenderBuffer != draw->RequestedRenderBuffer) { bool mode = (draw->RequestedRenderBuffer == EGL_SINGLE_BUFFER); _eglLog(_EGL_DEBUG, "%s: change to shared buffer mode %d", __func__, mode); if (!droid_set_shared_buffer_mode(disp, draw, mode)) return EGL_FALSE; draw->ActiveRenderBuffer = draw->RequestedRenderBuffer; } return EGL_TRUE; } static EGLBoolean droid_query_surface(_EGLDisplay *disp, _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) { ANativeWindow_query(dri2_surf->window, ANATIVEWINDOW_QUERY_DEFAULT_WIDTH, value); return EGL_TRUE; } break; case EGL_HEIGHT: if (dri2_surf->base.Type == EGL_WINDOW_BIT && dri2_surf->window) { ANativeWindow_query(dri2_surf->window, ANATIVEWINDOW_QUERY_DEFAULT_HEIGHT, value); return EGL_TRUE; } break; default: break; } return _eglQuerySurface(disp, surf, attribute, value); } static _EGLImage * dri2_create_image_android_native_buffer(_EGLDisplay *disp, _EGLContext *ctx, struct ANativeWindowBuffer *buf) { 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; } __DRIimage *dri_image = droid_create_image_from_native_buffer(disp, buf, buf); if (dri_image) { #if ANDROID_API_LEVEL >= 26 AHardwareBuffer_acquire(ANativeWindowBuffer_getHardwareBuffer(buf)); #endif return dri2_create_image_from_dri(disp, dri_image); } return NULL; } static _EGLImage * droid_create_image_khr(_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(disp, ctx, target, buffer, attr_list); } } static void droid_flush_front_buffer(__DRIdrawable *driDrawable, void *loaderPrivate) { } 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 void droid_destroy_loader_image_state(void *loaderPrivate) { #if ANDROID_API_LEVEL >= 26 if (loaderPrivate) { AHardwareBuffer_release( ANativeWindowBuffer_getHardwareBuffer(loaderPrivate)); } #endif } static void droid_add_configs_for_visuals(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); static const struct { int hal_format; enum pipe_format pipe_format; } visuals[] = { {HAL_PIXEL_FORMAT_RGBA_8888, PIPE_FORMAT_RGBA8888_UNORM}, {HAL_PIXEL_FORMAT_RGBX_8888, PIPE_FORMAT_RGBX8888_UNORM}, {HAL_PIXEL_FORMAT_RGB_565, PIPE_FORMAT_B5G6R5_UNORM}, /* This must be after HAL_PIXEL_FORMAT_RGBA_8888, we only keep BGRA * visual if it turns out RGBA visual is not available. */ {HAL_PIXEL_FORMAT_BGRA_8888, PIPE_FORMAT_BGRA8888_UNORM}, }; unsigned int format_count[ARRAY_SIZE(visuals)] = {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. */ bool has_rgba = false; for (int i = 0; i < ARRAY_SIZE(visuals); i++) { /* Only enable BGRA configs when RGBA is not available. BGRA configs are * buggy on stock Android. */ if (visuals[i].hal_format == HAL_PIXEL_FORMAT_BGRA_8888 && has_rgba) continue; for (int j = 0; dri2_dpy->driver_configs[j]; j++) { const struct gl_config *gl_config = (struct gl_config *) dri2_dpy->driver_configs[j]; /* Rather than have duplicate table entries for _SRGB formats, just * use the linear version of the format for the comparision: */ enum pipe_format linear_format = util_format_linear(gl_config->color_format); if (linear_format != visuals[i].pipe_format) continue; const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT; const EGLint config_attrs[] = { EGL_NATIVE_VISUAL_ID, visuals[i].hal_format, EGL_NATIVE_VISUAL_TYPE, visuals[i].hal_format, EGL_FRAMEBUFFER_TARGET_ANDROID, EGL_TRUE, EGL_RECORDABLE_ANDROID, EGL_TRUE, EGL_NONE, }; struct dri2_egl_config *dri2_conf = dri2_add_config( disp, dri2_dpy->driver_configs[j], surface_type, config_attrs); if (dri2_conf) format_count[i]++; } if (visuals[i].hal_format == HAL_PIXEL_FORMAT_RGBA_8888 && format_count[i]) has_rgba = true; } 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].hal_format); } } } static const struct dri2_egl_display_vtbl droid_display_vtbl = { .authenticate = NULL, .create_window_surface = droid_create_window_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_interval = droid_swap_interval, .query_buffer_age = droid_query_buffer_age, .query_surface = droid_query_surface, .get_dri_drawable = dri2_surface_get_dri_drawable, .set_shared_buffer_mode = droid_set_shared_buffer_mode, }; static const __DRIimageLoaderExtension droid_image_loader_extension = { .base = {__DRI_IMAGE_LOADER, 4}, .getBuffers = droid_image_get_buffers, .flushFrontBuffer = droid_flush_front_buffer, .getCapability = droid_get_capability, .flushSwapBuffers = NULL, .destroyLoaderImageState = droid_destroy_loader_image_state, }; static void droid_display_shared_buffer(__DRIdrawable *driDrawable, int fence_fd, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; struct ANativeWindowBuffer *old_buffer UNUSED = dri2_surf->buffer; if (!_eglSurfaceInSharedBufferMode(&dri2_surf->base)) { _eglLog(_EGL_WARNING, "%s: internal error: buffer is not shared", __func__); return; } if (fence_fd >= 0) { /* The driver's fence is more recent than the surface's out fence, if it * exists at all. So use the driver's fence. */ if (dri2_surf->out_fence_fd >= 0) { close(dri2_surf->out_fence_fd); dri2_surf->out_fence_fd = -1; } } else if (dri2_surf->out_fence_fd >= 0) { fence_fd = dri2_surf->out_fence_fd; dri2_surf->out_fence_fd = -1; } if (ANativeWindow_queueBuffer(dri2_surf->window, dri2_surf->buffer, fence_fd)) { _eglLog(_EGL_WARNING, "%s: ANativeWindow_queueBuffer failed", __func__); close(fence_fd); return; } fence_fd = -1; if (ANativeWindow_dequeueBuffer(dri2_surf->window, &dri2_surf->buffer, &fence_fd)) { /* Tear down the surface because it no longer has a back buffer. */ _eglLog(_EGL_WARNING, "%s: ANativeWindow_dequeueBuffer failed", __func__); dri2_surf->base.Lost = true; dri2_surf->buffer = NULL; dri2_surf->back = NULL; if (dri2_surf->dri_image_back) { dri2_destroy_image(dri2_surf->dri_image_back); dri2_surf->dri_image_back = NULL; } dri_invalidate_drawable(dri2_surf->dri_drawable); return; } close_in_fence_fd(dri2_surf); validate_fence_fd(fence_fd); dri2_surf->in_fence_fd = fence_fd; handle_in_fence_fd(dri2_surf, dri2_surf->dri_image_back); } static void droid_swrast_get_drawable_info(__DRIdrawable *drawable, int *x, int *y, int *width, int *height, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; update_buffers(dri2_surf); *x = 0; *y = 0; *width = dri2_surf->base.Width; *height = dri2_surf->base.Height; } static void droid_swrast_put_image2(__DRIdrawable *draw, int op, int x, int y, int w, int h, int stride, char *data, void *loaderPrivate) { return; } static void droid_swrast_put_image(__DRIdrawable *draw, int op, int x, int y, int w, int h, char *data, void *loaderPrivate) { return; } static void droid_swrast_get_image(__DRIdrawable *read, int x, int y, int w, int h, char *data, void *loaderPrivate) { return; } static const __DRIswrastLoaderExtension swrast_loader_extension = { .base = {__DRI_SWRAST_LOADER, 2}, .getDrawableInfo = droid_swrast_get_drawable_info, .putImage = droid_swrast_put_image, .getImage = droid_swrast_get_image, .putImage2 = droid_swrast_put_image2, }; static const __DRImutableRenderBufferLoaderExtension droid_mutable_render_buffer_extension = { .base = {__DRI_MUTABLE_RENDER_BUFFER_LOADER, 1}, .displaySharedBuffer = droid_display_shared_buffer, }; static const __DRIextension *droid_image_loader_extensions[] = { &droid_image_loader_extension.base, &image_lookup_extension.base, &use_invalidate.base, &droid_mutable_render_buffer_extension.base, NULL, }; static const __DRIextension *droid_swrast_image_loader_extensions[] = { &droid_image_loader_extension.base, &image_lookup_extension.base, &use_invalidate.base, &droid_mutable_render_buffer_extension.base, &swrast_loader_extension.base, NULL, }; static EGLBoolean droid_load_driver(_EGLDisplay *disp, bool swrast) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (disp->Options.Zink) dri2_dpy->driver_name = strdup("zink"); else dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd_render_gpu); if (dri2_dpy->driver_name == NULL) return false; if (swrast && !disp->Options.Zink) { /* Use kms swrast only with vgem / virtio_gpu. * virtio-gpu fallbacks to software rendering when 3D features * are unavailable since 6c5ab. */ if (strcmp(dri2_dpy->driver_name, "vgem") == 0 || strcmp(dri2_dpy->driver_name, "virtio_gpu") == 0) { free(dri2_dpy->driver_name); dri2_dpy->driver_name = strdup("kms_swrast"); } else { goto error; } } dri2_dpy->loader_extensions = droid_image_loader_extensions; if (!dri2_load_driver(disp)) { goto error; } return true; error: free(dri2_dpy->driver_name); dri2_dpy->driver_name = NULL; return false; } static void droid_unload_driver(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); free(dri2_dpy->driver_name); dri2_dpy->driver_name = NULL; } static int droid_filter_device(_EGLDisplay *disp, int fd, const char *vendor) { drmVersionPtr ver = drmGetVersion(fd); if (!ver) return -1; if (strcmp(vendor, ver->name) != 0) { drmFreeVersion(ver); return -1; } drmFreeVersion(ver); return 0; } static EGLBoolean droid_probe_device(_EGLDisplay *disp, bool swrast) { /* Check that the device is supported, by attempting to: * - load the dri module * - and, create a screen */ if (!droid_load_driver(disp, swrast)) return EGL_FALSE; if (!dri2_create_screen(disp)) { _eglLog(_EGL_WARNING, "DRI2: failed to create screen"); droid_unload_driver(disp); return EGL_FALSE; } return EGL_TRUE; } static EGLBoolean droid_open_device(_EGLDisplay *disp, bool swrast) { #define MAX_DRM_DEVICES 64 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); _EGLDevice *dev_list = _eglGlobal.DeviceList; drmDevicePtr device; char *vendor_name = NULL; char vendor_buf[PROPERTY_VALUE_MAX]; #ifdef EGL_FORCE_RENDERNODE const unsigned node_type = DRM_NODE_RENDER; #else const unsigned node_type = swrast ? DRM_NODE_PRIMARY : DRM_NODE_RENDER; #endif if (property_get("drm.gpu.vendor_name", vendor_buf, NULL) > 0) vendor_name = vendor_buf; while (dev_list) { if (!_eglDeviceSupports(dev_list, _EGL_DEVICE_DRM)) goto next; device = _eglDeviceDrm(dev_list); assert(device); if (!(device->available_nodes & (1 << node_type))) goto next; dri2_dpy->fd_render_gpu = loader_open_device(device->nodes[node_type]); if (dri2_dpy->fd_render_gpu < 0) { _eglLog(_EGL_WARNING, "%s() Failed to open DRM device %s", __func__, device->nodes[node_type]); goto next; } /* If a vendor is explicitly provided, we use only that. * Otherwise we fall-back the first device that is supported. */ if (vendor_name) { if (droid_filter_device(disp, dri2_dpy->fd_render_gpu, vendor_name)) { /* Device does not match - try next device */ close(dri2_dpy->fd_render_gpu); dri2_dpy->fd_render_gpu = -1; goto next; } /* If the requested device matches - use it. Regardless if * init fails, do not fall-back to any other device. */ if (!droid_probe_device(disp, false)) { close(dri2_dpy->fd_render_gpu); dri2_dpy->fd_render_gpu = -1; } break; } if (droid_probe_device(disp, swrast)) break; /* No explicit request - attempt the next device */ close(dri2_dpy->fd_render_gpu); dri2_dpy->fd_render_gpu = -1; next: dev_list = _eglDeviceNext(dev_list); } if (dri2_dpy->fd_render_gpu < 0) { _eglLog(_EGL_WARNING, "Failed to open %s DRM device", vendor_name ? "desired" : "any"); return EGL_FALSE; } return EGL_TRUE; } EGLBoolean dri2_initialize_android(_EGLDisplay *disp) { bool device_opened = false; struct dri2_egl_display *dri2_dpy; const char *err; dri2_dpy = dri2_display_create(); if (!dri2_dpy) return _eglError(EGL_BAD_ALLOC, "eglInitialize"); dri2_dpy->gralloc = u_gralloc_create(U_GRALLOC_TYPE_AUTO); if (dri2_dpy->gralloc == NULL) { err = "DRI2: failed to get gralloc"; goto cleanup; } bool force_pure_swrast = debug_get_bool_option("MESA_ANDROID_NO_KMS_SWRAST", false); disp->DriverData = (void *)dri2_dpy; if (!force_pure_swrast) device_opened = droid_open_device(disp, disp->Options.ForceSoftware); if ((!device_opened && disp->Options.ForceSoftware) || force_pure_swrast) { dri2_dpy->driver_name = strdup("swrast"); dri2_dpy->loader_extensions = droid_swrast_image_loader_extensions; dri2_dpy->fd_render_gpu = -1; dri2_dpy->pure_swrast = true; if(!dri2_load_driver(disp)) { err = "DRI2: Failed to load swrast"; goto cleanup; } if (!dri2_create_screen(disp)) { err = "DRI2: Failed to create swrast screen"; goto cleanup; } device_opened = EGL_TRUE; } if (!device_opened) { err = "DRI2: failed to open device"; goto cleanup; } dri2_dpy->fd_display_gpu = dri2_dpy->fd_render_gpu; if (!dri2_dpy->pure_swrast && !dri2_setup_device(disp, false)) { err = "DRI2: failed to setup EGLDevice"; goto cleanup; } dri2_setup_screen(disp); /* We set the maximum swap interval as 1 for Android platform, since it is * the maximum value supported by Android according to the value of * ANativeWindow::maxSwapInterval. */ dri2_setup_swap_interval(disp, 1); disp->Extensions.ANDROID_framebuffer_target = EGL_TRUE; disp->Extensions.ANDROID_image_native_buffer = EGL_TRUE; disp->Extensions.ANDROID_recordable = EGL_TRUE; /* Querying buffer age requires a buffer to be dequeued. Without * EGL_ANDROID_native_fence_sync, dequeue might call eglClientWaitSync and * result in a deadlock (the lock is already held by eglQuerySurface). */ if (disp->Extensions.ANDROID_native_fence_sync) { disp->Extensions.EXT_buffer_age = EGL_TRUE; } else { /* disable KHR_partial_update that might have been enabled in * dri2_setup_screen */ disp->Extensions.KHR_partial_update = EGL_FALSE; } disp->Extensions.KHR_image = EGL_TRUE; dri2_dpy->front_rendering_usage = 0; #if ANDROID_API_LEVEL >= 24 if (!dri2_dpy->swrast_not_kms && dri2_dpy->loader_extensions == droid_image_loader_extensions && /* In big GL, front rendering is done at the core API level by directly * rendering on the front buffer. However, in ES, the front buffer is * completely inaccessible through the core ES API. * * EGL_KHR_mutable_render_buffer is Android's attempt to re-introduce * front rendering into ES by squeezing into EGL. Unlike big GL, this * extension redirects GL_BACK used by ES for front rendering. Thus we * restrict the enabling of this extension to ES only. */ (disp->ClientAPIs & ~(EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT | EGL_OPENGL_ES3_BIT_KHR)) == 0) { /* For cros gralloc, if the front rendering query is supported, then all * available window surface configs support front rendering because: * * 1) EGL queries cros gralloc for the front rendering usage bit here * 2) EGL combines the front rendering usage bit with the existing usage * if the window surface requests mutable render buffer * 3) EGL sets the combined usage onto the ANativeWindow and the next * dequeueBuffer will ask gralloc for an allocation/re-allocation with * the new combined usage * 4) cros gralloc(on top of minigbm) resolves the front rendering usage * bit into either BO_USE_FRONT_RENDERING or BO_USE_LINEAR based on * the format support checking. * * So at least we can force BO_USE_LINEAR as the fallback. */ uint64_t front_rendering_usage = 0; if (!u_gralloc_get_front_rendering_usage(dri2_dpy->gralloc, &front_rendering_usage)) { dri2_dpy->front_rendering_usage = front_rendering_usage; disp->Extensions.KHR_mutable_render_buffer = EGL_TRUE; } } #endif /* Create configs *after* enabling extensions because presence of DRI * driver extensions can affect the capabilities of EGLConfigs. */ droid_add_configs_for_visuals(disp); /* 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); }