/* * 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 #if ANDROID_VERSION >= 0x402 #include #endif #include "loader.h" #include "egl_dri2.h" #include "egl_dri2_fallbacks.h" #include "state_tracker/drm_driver.h" #include "gralloc_drm.h" #include "gralloc_drm_handle.h" #define ALIGN(val, align) (((val) + (align) - 1) & ~((align) - 1)) static int get_format_bpp(int native) { int bpp; switch (native) { case HAL_PIXEL_FORMAT_RGBA_8888: case HAL_PIXEL_FORMAT_RGBX_8888: case HAL_PIXEL_FORMAT_BGRA_8888: bpp = 4; break; case HAL_PIXEL_FORMAT_RGB_888: bpp = 3; break; case HAL_PIXEL_FORMAT_RGB_565: bpp = 2; break; case HAL_PIXEL_FORMAT_YV12: bpp = 1; 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_RGBX_8888: return __DRI_IMAGE_FOURCC_XBGR8888; case HAL_PIXEL_FORMAT_YV12: return __DRI_IMAGE_FOURCC_YVU420; 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_RGBX_8888: return __DRI_IMAGE_FORMAT_XBGR8888; case HAL_PIXEL_FORMAT_RGB_888: /* unsupported */ 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) { struct gralloc_drm_handle_t *handle = gralloc_drm_handle(buf->handle); return (handle) ? handle->name : 0; } static const gralloc_module_t *gr_module = NULL; static EGLBoolean droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf) { #if ANDROID_VERSION >= 0x0402 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); #else if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer)) return EGL_FALSE; dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common); dri2_surf->window->lockBuffer(dri2_surf->window, dri2_surf->buffer); #endif 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); #if ANDROID_VERSION >= 0x0402 /* Queue the buffer without a sync fence. This informs the ANativeWindow * that it may access the buffer immediately. * * From ANativeWindow::dequeueBuffer: * * The fenceFd argument specifies a libsync fence file descriptor for * a fence that must signal before the buffer can be accessed. If * the buffer can be accessed immediately then a value of -1 should * be used. The caller must not use the file descriptor after it * is passed to queueBuffer, and the ANativeWindow implementation * is responsible for closing it. */ int fence_fd = -1; dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer, fence_fd); #else dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer); #endif dri2_surf->buffer->common.decRef(&dri2_surf->buffer->common); dri2_surf->buffer = NULL; mtx_lock(&disp->Mutex); if (dri2_surf->dri_image) { dri2_dpy->image->destroyImage(dri2_surf->dri_image); dri2_surf->dri_image = NULL; } return EGL_TRUE; } static void droid_window_cancel_buffer(_EGLDisplay *disp, struct dri2_egl_surface *dri2_surf) { /* no cancel buffer? */ droid_window_enqueue_buffer(disp, dri2_surf); } static __DRIbuffer * droid_alloc_local_buffer(struct dri2_egl_surface *dri2_surf, unsigned int att, unsigned int format) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); if (att >= ARRAY_SIZE(dri2_surf->local_buffers)) return NULL; if (!dri2_surf->local_buffers[att]) { dri2_surf->local_buffers[att] = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format, dri2_surf->base.Width, dri2_surf->base.Height); } return dri2_surf->local_buffers[att]; } static void droid_free_local_buffers(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); int i; for (i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) { if (dri2_surf->local_buffers[i]) { dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, dri2_surf->local_buffers[i]); dri2_surf->local_buffers[i] = NULL; } } } static _EGLSurface * droid_create_surface(_EGLDriver *drv, _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; } if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list)) goto cleanup_surface; if (type == EGL_WINDOW_BIT) { int format; if (!window || 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, EGL_WINDOW_BIT, dri2_surf->base.GLColorspace); if (!config) goto cleanup_surface; if (dri2_dpy->dri2) { dri2_surf->dri_drawable = dri2_dpy->dri2->createNewDrawable(dri2_dpy->dri_screen, config, dri2_surf); } else { dri2_surf->dri_drawable = dri2_dpy->swrast->createNewDrawable(dri2_dpy->dri_screen, config, dri2_surf); } if (dri2_surf->dri_drawable == NULL) { _eglError(EGL_BAD_ALLOC, "dri2->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); droid_free_local_buffers(dri2_surf); if (dri2_surf->base.Type == EGL_WINDOW_BIT) { if (dri2_surf->buffer) droid_window_cancel_buffer(disp, dri2_surf); dri2_surf->window->common.decRef(&dri2_surf->window->common); } (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable); free(dri2_surf); return EGL_TRUE; } static int update_buffers(struct dri2_egl_surface *dri2_surf) { 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"); 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) { droid_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_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) return 0; if (!dri2_surf->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 = 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) return -1; return 0; } 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; if (update_buffers(dri2_surf) < 0) return 0; if (buffer_mask & __DRI_IMAGE_BUFFER_FRONT) { /* * We don't support front buffers and GLES doesn't require them for * window surfaces, but some DRI drivers will request them anyway. * We just ignore such request as other platforms backends do. */ } if (buffer_mask & __DRI_IMAGE_BUFFER_BACK) { if (get_back_bo(dri2_surf) < 0) return 0; images->back = dri2_surf->dri_image; images->image_mask |= __DRI_IMAGE_BUFFER_BACK; } return 1; } 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; dri2_flush_drawable_for_swapbuffers(disp, draw); if (dri2_surf->buffer) droid_window_enqueue_buffer(disp, dri2_surf); (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable); return EGL_TRUE; } static _EGLImage * droid_create_image_from_prime_fd(_EGLDisplay *disp, _EGLContext *ctx, struct ANativeWindowBuffer *buf, int fd) { unsigned int offsets[3] = { 0, 0, 0 }; unsigned int pitches[3] = { 0, 0, 0 }; const int fourcc = get_fourcc(buf->format); if (fourcc == -1) { _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR"); return NULL; } pitches[0] = buf->stride * get_format_bpp(buf->format); if (pitches[0] == 0) { _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR"); return NULL; } switch (buf->format) { case HAL_PIXEL_FORMAT_YV12: /* Y plane is assumed to be at offset 0. */ /* Cr plane is located after Y plane */ offsets[1] = offsets[0] + pitches[0] * buf->height; pitches[1] = ALIGN(pitches[0] / 2, 16); /* Cb plane is located after Cr plane */ offsets[2] = offsets[1] + pitches[1] * buf->height / 2; pitches[2] = pitches[1]; const EGLint attr_list_yv12[] = { 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_yv12); } 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, pitches[0], 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; } if (!_eglInitImage(&dri2_img->base, disp)) { free(dri2_img); return NULL; } 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, i; /* fill dri2_surf->buffers */ for (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 = droid_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; dri2_surf->buffer_count = droid_get_buffers_parse_attachments(dri2_surf, attachments, count); if (width) *width = dri2_surf->base.Width; if (height) *height = dri2_surf->base.Height; *out_count = dri2_surf->buffer_count; return dri2_surf->buffers; } 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, { 0xff, 0xff00, 0xff0000, 0xff000000 } }, { HAL_PIXEL_FORMAT_RGBX_8888, { 0xff, 0xff00, 0xff0000, 0x0 } }, { HAL_PIXEL_FORMAT_RGB_888, { 0xff, 0xff00, 0xff0000, 0x0 } }, { HAL_PIXEL_FORMAT_RGB_565, { 0xf800, 0x7e0, 0x1f, 0x0 } }, { HAL_PIXEL_FORMAT_BGRA_8888, { 0xff0000, 0xff00, 0xff, 0xff000000 } }, }; EGLint config_attrs[] = { EGL_NATIVE_VISUAL_ID, 0, EGL_NATIVE_VISUAL_TYPE, 0, EGL_FRAMEBUFFER_TARGET_ANDROID, EGL_TRUE, EGL_RECORDABLE_ANDROID, EGL_TRUE, EGL_NONE }; unsigned int format_count[ARRAY_SIZE(visuals)] = { 0 }; int count, i, j; count = 0; for (i = 0; dri2_dpy->driver_configs[i]; i++) { const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT; struct dri2_egl_config *dri2_conf; unsigned int double_buffered = 0; dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i], __DRI_ATTRIB_DOUBLE_BUFFER, &double_buffered); /* support only double buffered configs */ if (!double_buffered) continue; for (j = 0; j < ARRAY_SIZE(visuals); j++) { config_attrs[1] = visuals[j].format; config_attrs[3] = visuals[j].format; dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[i], count + 1, surface_type, config_attrs, visuals[j].rgba_masks); if (dri2_conf) { count++; format_count[j]++; } } } for (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 (count != 0); } static int swrastUpdateBuffer(struct dri2_egl_surface *dri2_surf) { if (dri2_surf->base.Type == EGL_WINDOW_BIT) { if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf)) { _eglLog(_EGL_WARNING, "failed to dequeue buffer for window"); return 1; } dri2_surf->base.Width = dri2_surf->buffer->width; dri2_surf->base.Height = dri2_surf->buffer->height; } return 0; } static void swrastGetDrawableInfo(__DRIdrawable * draw, int *x, int *y, int *w, int *h, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; swrastUpdateBuffer(dri2_surf); *x = 0; *y = 0; *w = dri2_surf->base.Width; *h = dri2_surf->base.Height; } static void swrastPutImage2(__DRIdrawable * draw, int op, int x, int y, int w, int h, int stride, char *data, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; struct _EGLDisplay *egl_dpy = dri2_surf->base.Resource.Display; char *dstPtr, *srcPtr; size_t BPerPixel, dstStride, copyWidth, xOffset; // _eglLog(_EGL_WARNING, "calling swrastPutImage with draw=%p, private=%p, x=%d, y=%d, w=%d, h=%d", // draw, loaderPrivate, x, y, w, h); if (swrastUpdateBuffer(dri2_surf)) { return; } BPerPixel = get_format_bpp(dri2_surf->buffer->format); dstStride = BPerPixel * dri2_surf->buffer->stride; copyWidth = BPerPixel * w; xOffset = BPerPixel * x; /* drivers expect we do these checks (and some rely on it) */ if (copyWidth > dstStride - xOffset) copyWidth = dstStride - xOffset; if (h > dri2_surf->base.Height - y) h = dri2_surf->base.Height - y; if (gr_module->lock(gr_module, dri2_surf->buffer->handle, GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN, 0, 0, dri2_surf->buffer->width, dri2_surf->buffer->height, (void**)&dstPtr)) { _eglLog(_EGL_WARNING, "can not lock window buffer"); return; } dstPtr += y * dstStride + xOffset; srcPtr = data; if (xOffset == 0 && copyWidth == stride && copyWidth == dstStride) { memcpy(dstPtr, srcPtr, copyWidth * h); } else { for (; h>0; h--) { memcpy(dstPtr, srcPtr, copyWidth); srcPtr += stride; dstPtr += dstStride; } } if (gr_module->unlock(gr_module, dri2_surf->buffer->handle)) { _eglLog(_EGL_WARNING, "unlock buffer failed"); } droid_window_enqueue_buffer(egl_dpy, dri2_surf); } static void swrastPutImage(__DRIdrawable * draw, int op, int x, int y, int w, int h, char *data, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; int stride; if (swrastUpdateBuffer(dri2_surf)) { return; } stride = get_format_bpp(dri2_surf->buffer->format) * w; swrastPutImage2(draw, op, x, y, w, h, stride, data, loaderPrivate); } static void swrastGetImage(__DRIdrawable * read, int x, int y, int w, int h, char *data, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; size_t BPerPixel, srcStride, copyWidth, xOffset; char *dstPtr, *srcPtr; _eglLog(_EGL_WARNING, "calling swrastGetImage with read=%p, private=%p, w=%d, h=%d", read, loaderPrivate, w, h); if (swrastUpdateBuffer(dri2_surf)) { _eglLog(_EGL_WARNING, "swrastGetImage failed data unchanged"); return; } BPerPixel = get_format_bpp(dri2_surf->buffer->format); srcStride = BPerPixel * dri2_surf->buffer->stride; copyWidth = BPerPixel * w; xOffset = BPerPixel * x; if (gr_module->lock(gr_module, dri2_surf->buffer->handle, GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN, 0, 0, dri2_surf->buffer->width, dri2_surf->buffer->height, (void**)&srcPtr)) { _eglLog(_EGL_WARNING, "can not lock window buffer"); memset(data, 0, copyWidth * h); return; } srcPtr += y * srcStride + xOffset; dstPtr = data; if (xOffset == 0 && copyWidth == srcStride) { memcpy(dstPtr, srcPtr, copyWidth * h); } else { for (; h>0; h--) { memcpy(dstPtr, srcPtr, copyWidth); srcPtr += srcStride; dstPtr += copyWidth; } } if (gr_module->unlock(gr_module, dri2_surf->buffer->handle)) { _eglLog(_EGL_WARNING, "unlock buffer failed"); } } static EGLBoolean swrast_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); dri2_dpy->core->swapBuffers(dri2_surf->dri_drawable); return EGL_TRUE; } static _EGLImage * swrast_create_image_android_native_buffer(_EGLDisplay *disp, _EGLContext *ctx, struct ANativeWindowBuffer *buf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img; struct winsys_handle whandle; EGLint format; 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; } /* see the table in droid_add_configs_for_visuals */ format = get_format(buf->format); if (format < 0) return NULL; dri2_img = calloc(1, sizeof(*dri2_img)); if (!dri2_img) { _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm"); return NULL; } if (!_eglInitImage(&dri2_img->base, disp)) { free(dri2_img); return NULL; } memset(&whandle, 0, sizeof(whandle)); whandle.type = DRM_API_HANDLE_TYPE_BUFFER; whandle.externalBuffer = buf; whandle.stride = buf->stride * get_format_bpp(buf->format); dri2_img->dri_image = dri2_dpy->swrast->createImageFromWinsys(dri2_dpy->dri_screen, buf->width, buf->height, format, 1, &whandle, 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 _EGLImage * swrast_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 swrast_create_image_android_native_buffer(disp, ctx, (struct ANativeWindowBuffer *) buffer); default: return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list); } } static int load_gralloc(void) { const hw_module_t *mod; int err; err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod); if (!err) { gr_module = (gralloc_module_t *) mod; } else { _eglLog(_EGL_WARNING, "fail to load gralloc"); } return err; } static int is_drm_gralloc(void) { /* need a cleaner way to distinguish drm_gralloc and gralloc.default */ return !!gr_module->perform; } static int droid_open_device(void) { int fd = -1, err; err = gr_module->perform(gr_module, 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; } /* support versions < JellyBean */ #ifndef ALOGW #define ALOGW LOGW #endif #ifndef ALOGD #define ALOGD LOGD #endif #ifndef ALOGI #define ALOGI LOGI #endif static void droid_log(EGLint level, const char *msg) { switch (level) { case _EGL_DEBUG: ALOGD("%s", msg); break; case _EGL_INFO: ALOGI("%s", msg); break; case _EGL_WARNING: ALOGW("%s", msg); break; case _EGL_FATAL: LOG_FATAL("%s", msg); break; default: break; } } static 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_interval = dri2_fallback_swap_interval, .swap_buffers = droid_swap_buffers, .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage, .swap_buffers_region = dri2_fallback_swap_buffers_region, .post_sub_buffer = dri2_fallback_post_sub_buffer, .copy_buffers = dri2_fallback_copy_buffers, .query_buffer_age = dri2_fallback_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, 3 }, .getBuffers = NULL, .flushFrontBuffer = droid_flush_front_buffer, .getBuffersWithFormat = droid_get_buffers_with_format, }; static const __DRIimageLoaderExtension droid_image_loader_extension = { .base = { __DRI_IMAGE_LOADER, 1 }, .getBuffers = droid_image_get_buffers, .flushFrontBuffer = droid_flush_front_buffer, }; static const __DRIswrastLoaderExtension droid_swrast_loader_extension = { .base = { __DRI_SWRAST_LOADER, 2 }, .getDrawableInfo = swrastGetDrawableInfo, .putImage = swrastPutImage, .getImage = swrastGetImage, .putImage2 = swrastPutImage2, }; 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, }; static const __DRIextension *droid_swrast_loader_extensions[] = { &droid_swrast_loader_extension.base, &image_lookup_extension.base, NULL, }; static EGLBoolean dri2_initialize_android_drm(_EGLDriver *drv, _EGLDisplay *dpy) { struct dri2_egl_display *dri2_dpy; const char *err; _eglSetLogProc(droid_log); loader_set_logger(_eglLog); dri2_dpy = calloc(1, sizeof(*dri2_dpy)); if (!dri2_dpy) return _eglError(EGL_BAD_ALLOC, "eglInitialize"); dpy->DriverData = (void *) dri2_dpy; dri2_dpy->fd = droid_open_device(); if (dri2_dpy->fd < 0) { err = "DRI2: failed to open device"; goto cleanup_display; } 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_device; } if (!dri2_load_driver(dpy)) { err = "DRI2: failed to load driver"; goto cleanup_driver_name; } 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; else dri2_dpy->loader_extensions = droid_image_loader_extensions; if (!dri2_create_screen(dpy)) { err = "DRI2: failed to create screen"; goto cleanup_driver; } if (!droid_add_configs_for_visuals(drv, dpy)) { err = "DRI2: failed to add configs"; goto cleanup_screen; } dpy->Extensions.ANDROID_framebuffer_target = EGL_TRUE; dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE; dpy->Extensions.ANDROID_recordable = EGL_TRUE; /* Fill vtbl last to prevent accidentally calling virtual function during * initialization. */ dri2_dpy->vtbl = &droid_display_vtbl; return EGL_TRUE; cleanup_screen: dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); cleanup_driver: dlclose(dri2_dpy->driver); cleanup_driver_name: free(dri2_dpy->driver_name); cleanup_device: close(dri2_dpy->fd); cleanup_display: free(dri2_dpy); dpy->DriverData = NULL; return _eglError(EGL_NOT_INITIALIZED, err); } /* differs with droid_display_vtbl in create_image, swap_buffers */ static struct dri2_egl_display_vtbl swrast_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 = swrast_create_image_khr, .swap_interval = dri2_fallback_swap_interval, .swap_buffers = swrast_swap_buffers, .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage, .swap_buffers_region = dri2_fallback_swap_buffers_region, .post_sub_buffer = dri2_fallback_post_sub_buffer, .copy_buffers = dri2_fallback_copy_buffers, .query_buffer_age = dri2_fallback_query_buffer_age, .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 EGLBoolean dri2_initialize_android_swrast(_EGLDriver *drv, _EGLDisplay *dpy) { struct dri2_egl_display *dri2_dpy; const char *err = ""; const hw_module_t *mod; _eglSetLogProc(droid_log); loader_set_logger(_eglLog); dri2_dpy = calloc(1, sizeof(*dri2_dpy)); if (!dri2_dpy) return _eglError(EGL_BAD_ALLOC, "eglInitialize"); dpy->DriverData = (void *) dri2_dpy; dri2_dpy->driver_name = strdup("swrast"); if (!dri2_load_driver_swrast(dpy)) { err = "DRISW: failed to load swrast driver"; goto cleanup_driver_name; } dri2_dpy->loader_extensions = droid_swrast_loader_extensions; if (!dri2_create_screen(dpy)) { err = "DRISW: failed to create screen"; goto cleanup_driver; } if (!droid_add_configs_for_visuals(drv, dpy)) { err = "DRISW: failed to add configs"; goto cleanup_screen; } dpy->Extensions.ANDROID_framebuffer_target = EGL_TRUE; dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE; dpy->Extensions.ANDROID_recordable = EGL_TRUE; dpy->Extensions.KHR_image_base = EGL_TRUE; /* Fill vtbl last to prevent accidentally calling virtual function during * initialization. */ dri2_dpy->vtbl = &swrast_display_vtbl; return EGL_TRUE; cleanup_screen: dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); cleanup_driver: dlclose(dri2_dpy->driver); cleanup_driver_name: free(dri2_dpy->driver_name); free(dri2_dpy); return _eglError(EGL_NOT_INITIALIZED, err); } EGLBoolean dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy) { EGLBoolean initialized = EGL_TRUE; if (load_gralloc()) { return EGL_FALSE; } int droid_hw_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL) && is_drm_gralloc(); if (droid_hw_accel) { if (!dri2_initialize_android_drm(drv, dpy)) { initialized = dri2_initialize_android_swrast(drv, dpy); if (initialized) { _eglLog(_EGL_INFO, "Android: Fallback to software renderer"); } } } else { initialized = dri2_initialize_android_swrast(drv, dpy); } return initialized; }