X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fegl%2Fdrivers%2Fdri2%2Fplatform_wayland.c;h=a635c758da122c8079005f57e24600232a7385bd;hb=d1314de293e9e4a63c35f094c3893aaaed8580b4;hp=740fc7d4e0ff21e2068e131260af7d7553905797;hpb=de315f76a266ce51ca0638b9ea2ec3ccfd31f03b;p=mesa.git diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c index 740fc7d4e0f..a635c758da1 100644 --- a/src/egl/drivers/dri2/platform_wayland.c +++ b/src/egl/drivers/dri2/platform_wayland.c @@ -1,5 +1,6 @@ /* * Copyright © 2011-2012 Intel Corporation + * Copyright © 2012 Collabora, Ltd. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -26,6 +27,7 @@ * Benjamin Franzke */ +#include #include #include #include @@ -34,17 +36,25 @@ #include #include #include +#include #include "egl_dri2.h" +#include "egl_dri2_fallbacks.h" +#include "loader.h" #include #include "wayland-drm-client-protocol.h" enum wl_drm_format_flags { HAS_ARGB8888 = 1, - HAS_XRGB8888 = 2 + HAS_XRGB8888 = 2, + HAS_RGB565 = 4, }; +static EGLBoolean +dri2_wl_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, + EGLint interval); + static void sync_callback(void *data, struct wl_callback *callback, uint32_t serial) { @@ -55,7 +65,7 @@ sync_callback(void *data, struct wl_callback *callback, uint32_t serial) } static const struct wl_callback_listener sync_listener = { - sync_callback + .done = sync_callback }; static int @@ -94,8 +104,8 @@ wl_buffer_release(void *data, struct wl_buffer *buffer) dri2_surf->color_buffers[i].locked = 0; } -static struct wl_buffer_listener wl_buffer_listener = { - wl_buffer_release +static const struct wl_buffer_listener wl_buffer_listener = { + .release = wl_buffer_release }; static void @@ -112,60 +122,60 @@ resize_callback(struct wl_egl_window *wl_win, void *data) * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). */ static _EGLSurface * -dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type, - _EGLConfig *conf, EGLNativeWindowType window, - const EGLint *attrib_list) +dri2_wl_create_surface(_EGLDriver *drv, _EGLDisplay *disp, + _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 wl_egl_window *window = native_window; struct dri2_egl_surface *dri2_surf; + const __DRIconfig *config; (void) drv; - dri2_surf = malloc(sizeof *dri2_surf); + dri2_surf = calloc(1, sizeof *dri2_surf); if (!dri2_surf) { _eglError(EGL_BAD_ALLOC, "dri2_create_surface"); return NULL; } - - memset(dri2_surf, 0, sizeof *dri2_surf); - if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list)) + + if (!_eglInitSurface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf, attrib_list)) goto cleanup_surf; - if (conf->AlphaSize == 0) + if (conf->RedSize == 5) + dri2_surf->format = WL_DRM_FORMAT_RGB565; + else if (conf->AlphaSize == 0) dri2_surf->format = WL_DRM_FORMAT_XRGB8888; else dri2_surf->format = WL_DRM_FORMAT_ARGB8888; - switch (type) { - case EGL_WINDOW_BIT: - dri2_surf->wl_win = (struct wl_egl_window *) window; - - dri2_surf->wl_win->private = dri2_surf; - dri2_surf->wl_win->resize_callback = resize_callback; - - dri2_surf->base.Width = -1; - dri2_surf->base.Height = -1; - break; - default: + if (!window) { + _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_create_surface"); goto cleanup_surf; } + dri2_surf->wl_win = window; + + dri2_surf->wl_win->private = dri2_surf; + dri2_surf->wl_win->resize_callback = resize_callback; + + dri2_surf->base.Width = -1; + dri2_surf->base.Height = -1; + + config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT, + dri2_surf->base.GLColorspace); + dri2_surf->dri_drawable = - (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen, - type == EGL_WINDOW_BIT ? - dri2_conf->dri_double_config : - dri2_conf->dri_single_config, - dri2_surf); + (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen, config, + dri2_surf); if (dri2_surf->dri_drawable == NULL) { _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable"); - goto cleanup_dri_drawable; + goto cleanup_surf; } return &dri2_surf->base; - cleanup_dri_drawable: - dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable); cleanup_surf: free(dri2_surf); @@ -176,19 +186,42 @@ dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type, * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). */ static _EGLSurface * -dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, - _EGLConfig *conf, EGLNativeWindowType window, - const EGLint *attrib_list) +dri2_wl_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, + _EGLConfig *conf, void *native_window, + const EGLint *attrib_list) +{ + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + _EGLSurface *surf; + + surf = dri2_wl_create_surface(drv, disp, conf, native_window, attrib_list); + + if (surf != NULL) + dri2_wl_swap_interval(drv, disp, surf, dri2_dpy->default_swap_interval); + + return surf; +} + +static _EGLSurface * +dri2_wl_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp, + _EGLConfig *conf, void *native_window, + const EGLint *attrib_list) { - return dri2_create_surface(drv, disp, EGL_WINDOW_BIT, conf, - window, attrib_list); + /* From the EGL_EXT_platform_wayland spec, version 3: + * + * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a + * that belongs to Wayland. Any such call fails and generates + * EGL_BAD_PARAMETER. + */ + _eglError(EGL_BAD_PARAMETER, "cannot create EGL pixmap surfaces on " + "Wayland"); + return NULL; } /** * Called via eglDestroySurface(), drv->API.DestroySurface(). */ static EGLBoolean -dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) +dri2_wl_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); @@ -206,21 +239,26 @@ dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer); if (dri2_surf->color_buffers[i].dri_image) dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image); + if (dri2_surf->color_buffers[i].linear_copy) + dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy); + if (dri2_surf->color_buffers[i].data) + munmap(dri2_surf->color_buffers[i].data, + dri2_surf->color_buffers[i].data_size); } - for (i = 0; i < __DRI_BUFFER_COUNT; i++) - if (dri2_surf->dri_buffers[i] && - dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT) - dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, - dri2_surf->dri_buffers[i]); + if (dri2_dpy->dri2) { + for (i = 0; i < __DRI_BUFFER_COUNT; i++) + if (dri2_surf->dri_buffers[i] && + dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT) + dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, + dri2_surf->dri_buffers[i]); + } - if (dri2_surf->frame_callback) - wl_callback_destroy(dri2_surf->frame_callback); + if (dri2_surf->throttle_callback) + wl_callback_destroy(dri2_surf->throttle_callback); - if (dri2_surf->base.Type == EGL_WINDOW_BIT) { - dri2_surf->wl_win->private = NULL; - dri2_surf->wl_win->resize_callback = NULL; - } + dri2_surf->wl_win->private = NULL; + dri2_surf->wl_win->resize_callback = NULL; free(surf); @@ -228,7 +266,7 @@ dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) } static void -dri2_release_buffers(struct dri2_egl_surface *dri2_surf) +dri2_wl_release_buffers(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); @@ -240,75 +278,132 @@ dri2_release_buffers(struct dri2_egl_surface *dri2_surf) wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer); if (dri2_surf->color_buffers[i].dri_image) dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image); + if (dri2_surf->color_buffers[i].linear_copy) + dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy); + if (dri2_surf->color_buffers[i].data) + munmap(dri2_surf->color_buffers[i].data, + dri2_surf->color_buffers[i].data_size); dri2_surf->color_buffers[i].wl_buffer = NULL; dri2_surf->color_buffers[i].dri_image = NULL; + dri2_surf->color_buffers[i].linear_copy = NULL; + dri2_surf->color_buffers[i].data = NULL; dri2_surf->color_buffers[i].locked = 0; } - for (i = 0; i < __DRI_BUFFER_COUNT; i++) - if (dri2_surf->dri_buffers[i] && - dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT) - dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, - dri2_surf->dri_buffers[i]); + if (dri2_dpy->dri2) { + for (i = 0; i < __DRI_BUFFER_COUNT; i++) + if (dri2_surf->dri_buffers[i] && + dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT) + dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, + dri2_surf->dri_buffers[i]); + } } static int -get_back_bo(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer) +get_back_bo(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); - __DRIimage *image; - int i, name, pitch; + int i; + unsigned int dri_image_format; + + /* currently supports three WL DRM formats, + * WL_DRM_FORMAT_ARGB8888, WL_DRM_FORMAT_XRGB8888, + * and WL_DRM_FORMAT_RGB565 + */ + switch (dri2_surf->format) { + case WL_DRM_FORMAT_ARGB8888: + dri_image_format = __DRI_IMAGE_FORMAT_ARGB8888; + break; + case WL_DRM_FORMAT_XRGB8888: + dri_image_format = __DRI_IMAGE_FORMAT_XRGB8888; + break; + case WL_DRM_FORMAT_RGB565: + dri_image_format = __DRI_IMAGE_FORMAT_RGB565; + break; + default: + /* format is not supported */ + return -1; + } - /* There might be a buffer release already queued that wasn't processed */ - wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_dpy->wl_queue); + /* We always want to throttle to some event (either a frame callback or + * a sync request) after the commit so that we can be sure the + * compositor has had a chance to handle it and send us a release event + * before we look for a free buffer */ + while (dri2_surf->throttle_callback != NULL) + if (wl_display_dispatch_queue(dri2_dpy->wl_dpy, + dri2_dpy->wl_queue) == -1) + return -1; if (dri2_surf->back == NULL) { for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { - /* Get an unlocked buffer, preferrably one with a dri_buffer already - * allocated. */ - if (dri2_surf->color_buffers[i].locked) + /* Get an unlocked buffer, preferrably one with a dri_buffer + * already allocated. */ + if (dri2_surf->color_buffers[i].locked) continue; if (dri2_surf->back == NULL) - dri2_surf->back = &dri2_surf->color_buffers[i]; + dri2_surf->back = &dri2_surf->color_buffers[i]; else if (dri2_surf->back->dri_image == NULL) - dri2_surf->back = &dri2_surf->color_buffers[i]; + dri2_surf->back = &dri2_surf->color_buffers[i]; } } if (dri2_surf->back == NULL) return -1; + + if (dri2_dpy->is_different_gpu && + dri2_surf->back->linear_copy == NULL) { + dri2_surf->back->linear_copy = + dri2_dpy->image->createImage(dri2_dpy->dri_screen, + dri2_surf->base.Width, + dri2_surf->base.Height, + dri_image_format, + __DRI_IMAGE_USE_SHARE | + __DRI_IMAGE_USE_LINEAR, + NULL); + if (dri2_surf->back->linear_copy == NULL) + return -1; + } + if (dri2_surf->back->dri_image == NULL) { - dri2_surf->back->dri_image = + dri2_surf->back->dri_image = dri2_dpy->image->createImage(dri2_dpy->dri_screen, dri2_surf->base.Width, dri2_surf->base.Height, - __DRI_IMAGE_FORMAT_ARGB8888, - __DRI_IMAGE_USE_SHARE, + dri_image_format, + dri2_dpy->is_different_gpu ? + 0 : __DRI_IMAGE_USE_SHARE, NULL); dri2_surf->back->age = 0; } if (dri2_surf->back->dri_image == NULL) return -1; + dri2_surf->back->locked = 1; + + return 0; +} + + +static void +back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer) +{ + struct dri2_egl_display *dri2_dpy = + dri2_egl_display(dri2_surf->base.Resource.Display); + __DRIimage *image; + int name, pitch; + image = dri2_surf->back->dri_image; dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name); dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch); - dri2_surf->back->name = name; - dri2_surf->back->pitch = pitch; - buffer->attachment = __DRI_BUFFER_BACK_LEFT; buffer->name = name; buffer->pitch = pitch; buffer->cpp = 4; buffer->flags = 0; - - dri2_surf->back->locked = 1; - - return 0; } static int @@ -334,22 +429,17 @@ get_aux_bo(struct dri2_egl_surface *dri2_surf, return 0; } -static __DRIbuffer * -dri2_get_buffers_with_format(__DRIdrawable * driDrawable, - int *width, int *height, - unsigned int *attachments, int count, - int *out_count, void *loaderPrivate) +static int +update_buffers(struct dri2_egl_surface *dri2_surf) { - struct dri2_egl_surface *dri2_surf = loaderPrivate; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); - int i, j; + int i; - if (dri2_surf->base.Type == EGL_WINDOW_BIT && - (dri2_surf->base.Width != dri2_surf->wl_win->width || - dri2_surf->base.Height != dri2_surf->wl_win->height)) { + if (dri2_surf->base.Width != dri2_surf->wl_win->width || + dri2_surf->base.Height != dri2_surf->wl_win->height) { - dri2_release_buffers(dri2_surf); + dri2_wl_release_buffers(dri2_surf); dri2_surf->base.Width = dri2_surf->wl_win->width; dri2_surf->base.Height = dri2_surf->wl_win->height; @@ -357,22 +447,9 @@ dri2_get_buffers_with_format(__DRIdrawable * driDrawable, dri2_surf->dy = dri2_surf->wl_win->dy; } - for (i = 0, j = 0; i < 2 * count; i += 2, j++) { - switch (attachments[i]) { - case __DRI_BUFFER_BACK_LEFT: - if (get_back_bo(dri2_surf, &dri2_surf->buffers[j]) < 0) { - _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer"); - return NULL; - } - break; - default: - if (get_aux_bo(dri2_surf, attachments[i], attachments[i + 1], - &dri2_surf->buffers[j]) < 0) { - _eglError(EGL_BAD_ALLOC, "failed to allocate aux buffer"); - return NULL; - } - break; - } + if (get_back_bo(dri2_surf) < 0) { + _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer"); + return -1; } /* If we have an extra unlocked buffer at this point, we had to do triple @@ -383,8 +460,41 @@ dri2_get_buffers_with_format(__DRIdrawable * driDrawable, dri2_surf->color_buffers[i].wl_buffer) { wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer); dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image); + if (dri2_dpy->is_different_gpu) + dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy); dri2_surf->color_buffers[i].wl_buffer = NULL; dri2_surf->color_buffers[i].dri_image = NULL; + dri2_surf->color_buffers[i].linear_copy = NULL; + } + } + + return 0; +} + +static __DRIbuffer * +dri2_wl_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; + int i, j; + + if (update_buffers(dri2_surf) < 0) + return NULL; + + for (i = 0, j = 0; i < 2 * count; i += 2, j++) { + switch (attachments[i]) { + case __DRI_BUFFER_BACK_LEFT: + back_bo_to_dri_buffer(dri2_surf, &dri2_surf->buffers[j]); + break; + default: + if (get_aux_bo(dri2_surf, attachments[i], attachments[i + 1], + &dri2_surf->buffers[j]) < 0) { + _eglError(EGL_BAD_ALLOC, "failed to allocate aux buffer"); + return NULL; + } + break; } } @@ -399,17 +509,32 @@ dri2_get_buffers_with_format(__DRIdrawable * driDrawable, } static __DRIbuffer * -dri2_get_buffers(__DRIdrawable * driDrawable, - int *width, int *height, - unsigned int *attachments, int count, - int *out_count, void *loaderPrivate) +dri2_wl_get_buffers(__DRIdrawable * driDrawable, + int *width, int *height, + unsigned int *attachments, int count, + int *out_count, void *loaderPrivate) { + struct dri2_egl_surface *dri2_surf = loaderPrivate; unsigned int *attachments_with_format; __DRIbuffer *buffer; - const unsigned int format = 32; + unsigned int bpp; + int i; - attachments_with_format = calloc(count * 2, sizeof(unsigned int)); + switch (dri2_surf->format) { + case WL_DRM_FORMAT_ARGB8888: + case WL_DRM_FORMAT_XRGB8888: + bpp = 32; + break; + case WL_DRM_FORMAT_RGB565: + bpp = 16; + break; + default: + /* format is not supported */ + return NULL; + } + + attachments_with_format = calloc(count, 2 * sizeof(unsigned int)); if (!attachments_with_format) { *out_count = 0; return NULL; @@ -417,38 +542,66 @@ dri2_get_buffers(__DRIdrawable * driDrawable, for (i = 0; i < count; ++i) { attachments_with_format[2*i] = attachments[i]; - attachments_with_format[2*i + 1] = format; + attachments_with_format[2*i + 1] = bpp; } buffer = - dri2_get_buffers_with_format(driDrawable, - width, height, - attachments_with_format, count, - out_count, loaderPrivate); + dri2_wl_get_buffers_with_format(driDrawable, + width, height, + attachments_with_format, count, + out_count, loaderPrivate); free(attachments_with_format); return buffer; } +static int +image_get_buffers(__DRIdrawable *driDrawable, + unsigned int format, + uint32_t *stamp, + void *loaderPrivate, + uint32_t buffer_mask, + struct __DRIimageList *buffers) +{ + struct dri2_egl_surface *dri2_surf = loaderPrivate; + + if (update_buffers(dri2_surf) < 0) + return 0; + + buffers->image_mask = __DRI_IMAGE_BUFFER_BACK; + buffers->back = dri2_surf->back->dri_image; + + return 1; +} + static void -dri2_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate) +dri2_wl_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate) { (void) driDrawable; (void) loaderPrivate; } +static const __DRIimageLoaderExtension image_loader_extension = { + .base = { __DRI_IMAGE_LOADER, 1 }, + + .getBuffers = image_get_buffers, + .flushFrontBuffer = dri2_wl_flush_front_buffer, +}; + static void -wayland_frame_callback(void *data, struct wl_callback *callback, uint32_t time) +wayland_throttle_callback(void *data, + struct wl_callback *callback, + uint32_t time) { struct dri2_egl_surface *dri2_surf = data; - dri2_surf->frame_callback = NULL; + dri2_surf->throttle_callback = NULL; wl_callback_destroy(callback); } -static const struct wl_callback_listener frame_listener = { - wayland_frame_callback +static const struct wl_callback_listener throttle_listener = { + .done = wayland_throttle_callback }; static void @@ -456,14 +609,20 @@ create_wl_buffer(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); - int fd; + __DRIimage *image; + int fd, stride, name; if (dri2_surf->current->wl_buffer != NULL) return; + if (dri2_dpy->is_different_gpu) { + image = dri2_surf->current->linear_copy; + } else { + image = dri2_surf->current->dri_image; + } if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) { - dri2_dpy->image->queryImage(dri2_surf->current->dri_image, - __DRI_IMAGE_ATTRIB_FD, &fd); + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd); + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride); dri2_surf->current->wl_buffer = wl_drm_create_prime_buffer(dri2_dpy->wl_drm, @@ -471,17 +630,20 @@ create_wl_buffer(struct dri2_egl_surface *dri2_surf) dri2_surf->base.Width, dri2_surf->base.Height, dri2_surf->format, - 0, dri2_surf->current->pitch, + 0, stride, 0, 0, 0, 0); close(fd); } else { + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name); + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride); + dri2_surf->current->wl_buffer = wl_drm_create_buffer(dri2_dpy->wl_drm, - dri2_surf->current->name, + name, dri2_surf->base.Width, dri2_surf->base.Height, - dri2_surf->current->pitch, + stride, dri2_surf->format); } @@ -495,23 +657,15 @@ create_wl_buffer(struct dri2_egl_surface *dri2_surf) * Called via eglSwapBuffers(), drv->API.SwapBuffers(). */ static EGLBoolean -dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) +dri2_wl_swap_buffers_with_damage(_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); - __DRIbuffer buffer; - int i, ret = 0; - - while (dri2_surf->frame_callback && ret != -1) - ret = wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue); - if (ret < 0) - return EGL_FALSE; - - dri2_surf->frame_callback = wl_surface_frame(dri2_surf->wl_win->surface); - wl_callback_add_listener(dri2_surf->frame_callback, - &frame_listener, dri2_surf); - wl_proxy_set_queue((struct wl_proxy *) dri2_surf->frame_callback, - dri2_dpy->wl_queue); + int i; for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) if (dri2_surf->color_buffers[i].age > 0) @@ -519,11 +673,20 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) /* Make sure we have a back buffer in case we're swapping without ever * rendering. */ - if (get_back_bo(dri2_surf, &buffer) < 0) { + if (get_back_bo(dri2_surf) < 0) { _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers"); return EGL_FALSE; } + if (draw->SwapInterval > 0) { + dri2_surf->throttle_callback = + wl_surface_frame(dri2_surf->wl_win->surface); + wl_callback_add_listener(dri2_surf->throttle_callback, + &throttle_listener, dri2_surf); + wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback, + dri2_dpy->wl_queue); + } + dri2_surf->back->age = 1; dri2_surf->current = dri2_surf->back; dri2_surf->back = NULL; @@ -540,25 +703,52 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) dri2_surf->dx = 0; dri2_surf->dy = 0; - wl_surface_damage(dri2_surf->wl_win->surface, 0, 0, - dri2_surf->base.Width, dri2_surf->base.Height); + /* We deliberately ignore the damage region and post maximum damage, due to + * https://bugs.freedesktop.org/78190 */ + wl_surface_damage(dri2_surf->wl_win->surface, + 0, 0, INT32_MAX, INT32_MAX); + + if (dri2_dpy->is_different_gpu) { + _EGLContext *ctx = _eglGetCurrentContext(); + struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); + dri2_dpy->image->blitImage(dri2_ctx->dri_context, + dri2_surf->current->linear_copy, + dri2_surf->current->dri_image, + 0, 0, dri2_surf->base.Width, + dri2_surf->base.Height, + 0, 0, dri2_surf->base.Width, + dri2_surf->base.Height, 0); + } + + dri2_flush_drawable_for_swapbuffers(disp, draw); + (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable); wl_surface_commit(dri2_surf->wl_win->surface); - (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable); - (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable); + /* If we're not waiting for a frame callback then we'll at least throttle + * to a sync callback so that we always give a chance for the compositor to + * handle the commit and send a release event before checking for a free + * buffer */ + if (dri2_surf->throttle_callback == NULL) { + dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy); + wl_callback_add_listener(dri2_surf->throttle_callback, + &throttle_listener, dri2_surf); + wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback, + dri2_dpy->wl_queue); + } + + wl_display_flush(dri2_dpy->wl_dpy); return EGL_TRUE; } static EGLint -dri2_query_buffer_age(_EGLDriver *drv, - _EGLDisplay *disp, _EGLSurface *surface) +dri2_wl_query_buffer_age(_EGLDriver *drv, + _EGLDisplay *disp, _EGLSurface *surface) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface); - __DRIbuffer buffer; - if (get_back_bo(dri2_surf, &buffer) < 0) { + if (get_back_bo(dri2_surf) < 0) { _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age"); return 0; } @@ -566,12 +756,98 @@ dri2_query_buffer_age(_EGLDriver *drv, return dri2_surf->back->age; } +static EGLBoolean +dri2_wl_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) +{ + return dri2_wl_swap_buffers_with_damage (drv, disp, draw, NULL, 0); +} + +static struct wl_buffer * +dri2_wl_create_wayland_buffer_from_image(_EGLDriver *drv, + _EGLDisplay *disp, + _EGLImage *img) +{ + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + struct dri2_egl_image *dri2_img = dri2_egl_image(img); + __DRIimage *image = dri2_img->dri_image; + struct wl_buffer *buffer; + int width, height, format, pitch; + enum wl_drm_format wl_format; + + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &format); + + switch (format) { + case __DRI_IMAGE_FORMAT_ARGB8888: + if (!(dri2_dpy->formats & HAS_ARGB8888)) + goto bad_format; + wl_format = WL_DRM_FORMAT_ARGB8888; + break; + case __DRI_IMAGE_FORMAT_XRGB8888: + if (!(dri2_dpy->formats & HAS_XRGB8888)) + goto bad_format; + wl_format = WL_DRM_FORMAT_XRGB8888; + break; + default: + goto bad_format; + } + + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_WIDTH, &width); + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_HEIGHT, &height); + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch); + + if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) { + int fd; + + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd); + + buffer = + wl_drm_create_prime_buffer(dri2_dpy->wl_drm, + fd, + width, height, + wl_format, + 0, pitch, + 0, 0, + 0, 0); + + close(fd); + } else { + int name; + + dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name); + + buffer = + wl_drm_create_buffer(dri2_dpy->wl_drm, + name, + width, height, + pitch, + wl_format); + } + + /* The buffer object will have been created with our internal event queue + * because it is using the wl_drm object as a proxy factory. We want the + * buffer to be used by the application so we'll reset it to the display's + * default event queue */ + if (buffer) + wl_proxy_set_queue((struct wl_proxy *) buffer, NULL); + + return buffer; + +bad_format: + _eglError(EGL_BAD_MATCH, "unsupported image format"); + return NULL; +} + static int -dri2_wayland_authenticate(_EGLDisplay *disp, uint32_t id) +dri2_wl_authenticate(_EGLDisplay *disp, uint32_t id) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); int ret = 0; + if (dri2_dpy->is_render_node) { + _eglLog(_EGL_WARNING, "wayland-egl: client asks server to " + "authenticate for render-nodes"); + return 0; + } dri2_dpy->authenticated = 0; wl_drm_authenticate(dri2_dpy->wl_drm, id); @@ -587,31 +863,6 @@ dri2_wayland_authenticate(_EGLDisplay *disp, uint32_t id) return ret; } -/** - * Called via eglTerminate(), drv->API.Terminate(). - */ -static EGLBoolean -dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp) -{ - struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); - - _eglReleaseDisplayResources(drv, disp); - _eglCleanupDisplay(disp); - - dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); - close(dri2_dpy->fd); - dlclose(dri2_dpy->driver); - free(dri2_dpy->driver_name); - free(dri2_dpy->device_name); - wl_drm_destroy(dri2_dpy->wl_drm); - if (dri2_dpy->own_device) - wl_display_disconnect(dri2_dpy->wl_dpy); - free(dri2_dpy); - disp->DriverData = NULL; - - return EGL_TRUE; -} - static void drm_handle_device(void *data, struct wl_drm *drm, const char *device) { @@ -622,24 +873,19 @@ drm_handle_device(void *data, struct wl_drm *drm, const char *device) if (!dri2_dpy->device_name) return; -#ifdef O_CLOEXEC - dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR | O_CLOEXEC); - if (dri2_dpy->fd == -1 && errno == EINVAL) -#endif - { - dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR); - if (dri2_dpy->fd != -1) - fcntl(dri2_dpy->fd, F_SETFD, fcntl(dri2_dpy->fd, F_GETFD) | - FD_CLOEXEC); - } + dri2_dpy->fd = loader_open_device(dri2_dpy->device_name); if (dri2_dpy->fd == -1) { _eglLog(_EGL_WARNING, "wayland-egl: could not open %s (%s)", dri2_dpy->device_name, strerror(errno)); return; } - drmGetMagic(dri2_dpy->fd, &magic); - wl_drm_authenticate(dri2_dpy->wl_drm, magic); + if (drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER) { + dri2_dpy->authenticated = 1; + } else { + drmGetMagic(dri2_dpy->fd, &magic); + wl_drm_authenticate(dri2_dpy->wl_drm, magic); + } } static void @@ -654,6 +900,9 @@ drm_handle_format(void *data, struct wl_drm *drm, uint32_t format) case WL_DRM_FORMAT_XRGB8888: dri2_dpy->formats |= HAS_XRGB8888; break; + case WL_DRM_FORMAT_RGB565: + dri2_dpy->formats |= HAS_RGB565; + break; } } @@ -674,14 +923,14 @@ drm_handle_authenticated(void *data, struct wl_drm *drm) } static const struct wl_drm_listener drm_listener = { - drm_handle_device, - drm_handle_format, - drm_handle_authenticated, - drm_handle_capabilities + .device = drm_handle_device, + .format = drm_handle_format, + .authenticated = drm_handle_authenticated, + .capabilities = drm_handle_capabilities }; static void -registry_handle_global(void *data, struct wl_registry *registry, uint32_t name, +registry_handle_global_drm(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version) { struct dri2_egl_display *dri2_dpy = data; @@ -695,12 +944,91 @@ registry_handle_global(void *data, struct wl_registry *registry, uint32_t name, } } -static const struct wl_registry_listener registry_listener = { - registry_handle_global +static void +registry_handle_global_remove(void *data, struct wl_registry *registry, + uint32_t name) +{ +} + +static const struct wl_registry_listener registry_listener_drm = { + .global = registry_handle_global_drm, + .global_remove = registry_handle_global_remove }; -EGLBoolean -dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) +static EGLBoolean +dri2_wl_swap_interval(_EGLDriver *drv, + _EGLDisplay *disp, + _EGLSurface *surf, + EGLint interval) +{ + if (interval > surf->Config->MaxSwapInterval) + interval = surf->Config->MaxSwapInterval; + else if (interval < surf->Config->MinSwapInterval) + interval = surf->Config->MinSwapInterval; + + surf->SwapInterval = interval; + + return EGL_TRUE; +} + +static void +dri2_wl_setup_swap_interval(struct dri2_egl_display *dri2_dpy) +{ + GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1; + + /* We can't use values greater than 1 on Wayland because we are using the + * frame callback to synchronise the frame and the only way we be sure to + * get a frame callback is to attach a new buffer. Therefore we can't just + * sit drawing nothing to wait until the next ‘n’ frame callbacks */ + + if (dri2_dpy->config) + dri2_dpy->config->configQueryi(dri2_dpy->dri_screen, + "vblank_mode", &vblank_mode); + switch (vblank_mode) { + case DRI_CONF_VBLANK_NEVER: + dri2_dpy->min_swap_interval = 0; + dri2_dpy->max_swap_interval = 0; + dri2_dpy->default_swap_interval = 0; + break; + case DRI_CONF_VBLANK_ALWAYS_SYNC: + dri2_dpy->min_swap_interval = 1; + dri2_dpy->max_swap_interval = 1; + dri2_dpy->default_swap_interval = 1; + break; + case DRI_CONF_VBLANK_DEF_INTERVAL_0: + dri2_dpy->min_swap_interval = 0; + dri2_dpy->max_swap_interval = 1; + dri2_dpy->default_swap_interval = 0; + break; + default: + case DRI_CONF_VBLANK_DEF_INTERVAL_1: + dri2_dpy->min_swap_interval = 0; + dri2_dpy->max_swap_interval = 1; + dri2_dpy->default_swap_interval = 1; + break; + } +} + +static struct dri2_egl_display_vtbl dri2_wl_display_vtbl = { + .authenticate = dri2_wl_authenticate, + .create_window_surface = dri2_wl_create_window_surface, + .create_pixmap_surface = dri2_wl_create_pixmap_surface, + .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface, + .destroy_surface = dri2_wl_destroy_surface, + .create_image = dri2_create_image_khr, + .swap_interval = dri2_wl_swap_interval, + .swap_buffers = dri2_wl_swap_buffers, + .swap_buffers_with_damage = dri2_wl_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_wl_query_buffer_age, + .create_wayland_buffer_from_image = dri2_wl_create_wayland_buffer_from_image, + .get_sync_values = dri2_fallback_get_sync_values, +}; + +static EGLBoolean +dri2_initialize_wayland_drm(_EGLDriver *drv, _EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy; const __DRIconfig *config; @@ -709,12 +1037,9 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) static const unsigned int argb_masks[4] = { 0xff0000, 0xff00, 0xff, 0xff000000 }; static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 }; + static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 }; - drv->API.CreateWindowSurface = dri2_create_window_surface; - drv->API.DestroySurface = dri2_destroy_surface; - drv->API.SwapBuffers = dri2_swap_buffers; - drv->API.Terminate = dri2_terminate; - drv->API.QueryBufferAge = dri2_query_buffer_age; + loader_set_logger(_eglLog); dri2_dpy = calloc(1, sizeof *dri2_dpy); if (!dri2_dpy) @@ -739,9 +1064,9 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry, dri2_dpy->wl_queue); wl_registry_add_listener(dri2_dpy->wl_registry, - ®istry_listener, dri2_dpy); + ®istry_listener_drm, dri2_dpy); if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_drm == NULL) - goto cleanup_dpy; + goto cleanup_registry; if (roundtrip(dri2_dpy) < 0 || dri2_dpy->fd == -1) goto cleanup_drm; @@ -749,7 +1074,25 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) if (roundtrip(dri2_dpy) < 0 || !dri2_dpy->authenticated) goto cleanup_fd; - dri2_dpy->driver_name = dri2_get_driver_for_fd(dri2_dpy->fd); + dri2_dpy->fd = loader_get_user_preferred_fd(dri2_dpy->fd, + &dri2_dpy->is_different_gpu); + if (dri2_dpy->is_different_gpu) { + free(dri2_dpy->device_name); + dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd); + if (!dri2_dpy->device_name) { + _eglError(EGL_BAD_ALLOC, "wayland-egl: failed to get device name " + "for requested GPU"); + goto cleanup_fd; + } + } + + /* we have to do the check now, because loader_get_user_preferred_fd + * will return a render-node when the requested gpu is different + * to the server, but also if the client asks for the same gpu than + * the server by requesting its pci-id */ + dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER; + + dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0); if (dri2_dpy->driver_name == NULL) { _eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name"); goto cleanup_fd; @@ -758,40 +1101,93 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) if (!dri2_load_driver(disp)) goto cleanup_driver_name; - dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER; - dri2_dpy->dri2_loader_extension.base.version = 3; - dri2_dpy->dri2_loader_extension.getBuffers = dri2_get_buffers; - dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_flush_front_buffer; - dri2_dpy->dri2_loader_extension.getBuffersWithFormat = - dri2_get_buffers_with_format; - - dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base; + dri2_dpy->extensions[0] = &image_loader_extension.base; dri2_dpy->extensions[1] = &image_lookup_extension.base; dri2_dpy->extensions[2] = &use_invalidate.base; - dri2_dpy->extensions[3] = NULL; + + /* render nodes cannot use Gem names, and thus do not support + * the __DRI_DRI2_LOADER extension */ + if (!dri2_dpy->is_render_node) { + dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER; + dri2_dpy->dri2_loader_extension.base.version = 3; + dri2_dpy->dri2_loader_extension.getBuffers = dri2_wl_get_buffers; + dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_wl_flush_front_buffer; + dri2_dpy->dri2_loader_extension.getBuffersWithFormat = + dri2_wl_get_buffers_with_format; + dri2_dpy->extensions[3] = &dri2_dpy->dri2_loader_extension.base; + dri2_dpy->extensions[4] = NULL; + } else + dri2_dpy->extensions[3] = NULL; + + dri2_dpy->swap_available = EGL_TRUE; if (!dri2_create_screen(disp)) goto cleanup_driver; + dri2_wl_setup_swap_interval(dri2_dpy); + + /* To use Prime, we must have _DRI_IMAGE v7 at least. + * createImageFromFds support indicates that Prime export/import + * is supported by the driver. Fall back to + * gem names if we don't have Prime support. */ + + if (dri2_dpy->image->base.version < 7 || + dri2_dpy->image->createImageFromFds == NULL) + dri2_dpy->capabilities &= ~WL_DRM_CAPABILITY_PRIME; + + /* We cannot use Gem names with render-nodes, only prime fds (dma-buf). + * The server needs to accept them */ + if (dri2_dpy->is_render_node && + !(dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME)) { + _eglLog(_EGL_WARNING, "wayland-egl: display is not render-node capable"); + goto cleanup_screen; + } + + if (dri2_dpy->is_different_gpu && + (dri2_dpy->image->base.version < 9 || + dri2_dpy->image->blitImage == NULL)) { + _eglLog(_EGL_WARNING, "wayland-egl: Different GPU selected, but the " + "Image extension in the driver is not " + "compatible. Version 9 or later and blitImage() " + "are required"); + goto cleanup_screen; + } + types = EGL_WINDOW_BIT; for (i = 0; dri2_dpy->driver_configs[i]; i++) { config = dri2_dpy->driver_configs[i]; if (dri2_dpy->formats & HAS_XRGB8888) - dri2_add_config(disp, config, i + 1, 0, types, NULL, rgb_masks); + dri2_add_config(disp, config, i + 1, types, NULL, rgb_masks); if (dri2_dpy->formats & HAS_ARGB8888) - dri2_add_config(disp, config, i + 1, 0, types, NULL, argb_masks); + dri2_add_config(disp, config, i + 1, types, NULL, argb_masks); + if (dri2_dpy->formats & HAS_RGB565) + dri2_add_config(disp, config, i + 1, types, NULL, rgb565_masks); } disp->Extensions.WL_bind_wayland_display = EGL_TRUE; + /* When cannot convert EGLImage to wl_buffer when on a different gpu, + * because the buffer of the EGLImage has likely a tiling mode the server + * gpu won't support. These is no way to check for now. Thus do not support the + * extension */ + if (!dri2_dpy->is_different_gpu) { + disp->Extensions.WL_create_wayland_buffer_from_image = EGL_TRUE; + } else { + dri2_wl_display_vtbl.create_wayland_buffer_from_image = + dri2_fallback_create_wayland_buffer_from_image; + } disp->Extensions.EXT_buffer_age = EGL_TRUE; - dri2_dpy->authenticate = dri2_wayland_authenticate; - /* we're supporting EGL 1.4 */ - disp->VersionMajor = 1; - disp->VersionMinor = 4; + disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE; + + /* Fill vtbl last to prevent accidentally calling virtual function during + * initialization. + */ + dri2_dpy->vtbl = &dri2_wl_display_vtbl; return EGL_TRUE; + cleanup_screen: + dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); cleanup_driver: dlclose(dri2_dpy->driver); cleanup_driver_name: @@ -801,8 +1197,674 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) cleanup_drm: free(dri2_dpy->device_name); wl_drm_destroy(dri2_dpy->wl_drm); + cleanup_registry: + wl_registry_destroy(dri2_dpy->wl_registry); + wl_event_queue_destroy(dri2_dpy->wl_queue); cleanup_dpy: free(dri2_dpy); - + return EGL_FALSE; } + +static int +dri2_wl_swrast_get_stride_for_format(int format, int w) +{ + if (format == WL_SHM_FORMAT_RGB565) + return 2 * w; + else /* ARGB8888 || XRGB8888 */ + return 4 * w; +} + +/* + * Taken from weston shared/os-compatibility.c + */ + +#ifndef HAVE_MKOSTEMP + +static int +set_cloexec_or_close(int fd) +{ + long flags; + + if (fd == -1) + return -1; + + flags = fcntl(fd, F_GETFD); + if (flags == -1) + goto err; + + if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1) + goto err; + + return fd; + +err: + close(fd); + return -1; +} + +#endif + +/* + * Taken from weston shared/os-compatibility.c + */ + +static int +create_tmpfile_cloexec(char *tmpname) +{ + int fd; + +#ifdef HAVE_MKOSTEMP + fd = mkostemp(tmpname, O_CLOEXEC); + if (fd >= 0) + unlink(tmpname); +#else + fd = mkstemp(tmpname); + if (fd >= 0) { + fd = set_cloexec_or_close(fd); + unlink(tmpname); + } +#endif + + return fd; +} + +/* + * Taken from weston shared/os-compatibility.c + * + * Create a new, unique, anonymous file of the given size, and + * return the file descriptor for it. The file descriptor is set + * CLOEXEC. The file is immediately suitable for mmap()'ing + * the given size at offset zero. + * + * The file should not have a permanent backing store like a disk, + * but may have if XDG_RUNTIME_DIR is not properly implemented in OS. + * + * The file name is deleted from the file system. + * + * The file is suitable for buffer sharing between processes by + * transmitting the file descriptor over Unix sockets using the + * SCM_RIGHTS methods. + * + * If the C library implements posix_fallocate(), it is used to + * guarantee that disk space is available for the file at the + * given size. If disk space is insufficent, errno is set to ENOSPC. + * If posix_fallocate() is not supported, program may receive + * SIGBUS on accessing mmap()'ed file contents instead. + */ +static int +os_create_anonymous_file(off_t size) +{ + static const char template[] = "/mesa-shared-XXXXXX"; + const char *path; + char *name; + int fd; + int ret; + + path = getenv("XDG_RUNTIME_DIR"); + if (!path) { + errno = ENOENT; + return -1; + } + + name = malloc(strlen(path) + sizeof(template)); + if (!name) + return -1; + + strcpy(name, path); + strcat(name, template); + + fd = create_tmpfile_cloexec(name); + + free(name); + + if (fd < 0) + return -1; + + ret = ftruncate(fd, size); + if (ret < 0) { + close(fd); + return -1; + } + + return fd; +} + + +static EGLBoolean +dri2_wl_swrast_allocate_buffer(struct dri2_egl_display *dri2_dpy, + int format, int w, int h, + void **data, int *size, + struct wl_buffer **buffer) +{ + struct wl_shm_pool *pool; + int fd, stride, size_map; + void *data_map; + + stride = dri2_wl_swrast_get_stride_for_format(format, w); + size_map = h * stride; + + /* Create a sharable buffer */ + fd = os_create_anonymous_file(size_map); + if (fd < 0) + return EGL_FALSE; + + data_map = mmap(NULL, size_map, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + if (data_map == MAP_FAILED) { + close(fd); + return EGL_FALSE; + } + + /* Share it in a wl_buffer */ + pool = wl_shm_create_pool(dri2_dpy->wl_shm, fd, size_map); + *buffer = wl_shm_pool_create_buffer(pool, 0, w, h, stride, format); + wl_shm_pool_destroy(pool); + close(fd); + + *data = data_map; + *size = size_map; + return EGL_TRUE; +} + +static int +swrast_update_buffers(struct dri2_egl_surface *dri2_surf) +{ + struct dri2_egl_display *dri2_dpy = + dri2_egl_display(dri2_surf->base.Resource.Display); + int i; + + /* we need to do the following operations only once per frame */ + if (dri2_surf->back) + return 0; + + if (dri2_surf->base.Width != dri2_surf->wl_win->width || + dri2_surf->base.Height != dri2_surf->wl_win->height) { + + dri2_wl_release_buffers(dri2_surf); + + dri2_surf->base.Width = dri2_surf->wl_win->width; + dri2_surf->base.Height = dri2_surf->wl_win->height; + dri2_surf->dx = dri2_surf->wl_win->dx; + dri2_surf->dy = dri2_surf->wl_win->dy; + dri2_surf->current = NULL; + } + + /* find back buffer */ + + /* We always want to throttle to some event (either a frame callback or + * a sync request) after the commit so that we can be sure the + * compositor has had a chance to handle it and send us a release event + * before we look for a free buffer */ + while (dri2_surf->throttle_callback != NULL) + if (wl_display_dispatch_queue(dri2_dpy->wl_dpy, + dri2_dpy->wl_queue) == -1) + return -1; + + /* try get free buffer already created */ + for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { + if (!dri2_surf->color_buffers[i].locked && + dri2_surf->color_buffers[i].wl_buffer) { + dri2_surf->back = &dri2_surf->color_buffers[i]; + break; + } + } + + /* else choose any another free location */ + if (!dri2_surf->back) { + for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { + if (!dri2_surf->color_buffers[i].locked) { + dri2_surf->back = &dri2_surf->color_buffers[i]; + if (!dri2_wl_swrast_allocate_buffer(dri2_dpy, + dri2_surf->format, + dri2_surf->base.Width, + dri2_surf->base.Height, + &dri2_surf->back->data, + &dri2_surf->back->data_size, + &dri2_surf->back->wl_buffer)) { + _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer"); + return -1; + } + wl_proxy_set_queue((struct wl_proxy *) dri2_surf->back->wl_buffer, + dri2_dpy->wl_queue); + wl_buffer_add_listener(dri2_surf->back->wl_buffer, + &wl_buffer_listener, dri2_surf); + break; + } + } + } + + if (!dri2_surf->back) { + _eglError(EGL_BAD_ALLOC, "failed to find free buffer"); + return -1; + } + + dri2_surf->back->locked = 1; + + /* If we have an extra unlocked buffer at this point, we had to do triple + * buffering for a while, but now can go back to just double buffering. + * That means we can free any unlocked buffer now. */ + for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { + if (!dri2_surf->color_buffers[i].locked && + dri2_surf->color_buffers[i].wl_buffer) { + wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer); + munmap(dri2_surf->color_buffers[i].data, + dri2_surf->color_buffers[i].data_size); + dri2_surf->color_buffers[i].wl_buffer = NULL; + dri2_surf->color_buffers[i].data = NULL; + } + } + + return 0; +} + +static void* +dri2_wl_swrast_get_frontbuffer_data(struct dri2_egl_surface *dri2_surf) +{ + /* if there has been a resize: */ + if (!dri2_surf->current) + return NULL; + + return dri2_surf->current->data; +} + +static void* +dri2_wl_swrast_get_backbuffer_data(struct dri2_egl_surface *dri2_surf) +{ + assert(dri2_surf->back); + return dri2_surf->back->data; +} + +static void +dri2_wl_swrast_commit_backbuffer(struct dri2_egl_surface *dri2_surf) +{ + struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); + + if (dri2_surf->base.SwapInterval > 0) { + dri2_surf->throttle_callback = + wl_surface_frame(dri2_surf->wl_win->surface); + wl_callback_add_listener(dri2_surf->throttle_callback, + &throttle_listener, dri2_surf); + wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback, + dri2_dpy->wl_queue); + } + + dri2_surf->current = dri2_surf->back; + dri2_surf->back = NULL; + + wl_surface_attach(dri2_surf->wl_win->surface, + dri2_surf->current->wl_buffer, + dri2_surf->dx, dri2_surf->dy); + + dri2_surf->wl_win->attached_width = dri2_surf->base.Width; + dri2_surf->wl_win->attached_height = dri2_surf->base.Height; + /* reset resize growing parameters */ + dri2_surf->dx = 0; + dri2_surf->dy = 0; + + wl_surface_damage(dri2_surf->wl_win->surface, + 0, 0, INT32_MAX, INT32_MAX); + wl_surface_commit(dri2_surf->wl_win->surface); + + /* If we're not waiting for a frame callback then we'll at least throttle + * to a sync callback so that we always give a chance for the compositor to + * handle the commit and send a release event before checking for a free + * buffer */ + if (dri2_surf->throttle_callback == NULL) { + dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy); + wl_callback_add_listener(dri2_surf->throttle_callback, + &throttle_listener, dri2_surf); + wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback, + dri2_dpy->wl_queue); + } + + wl_display_flush(dri2_dpy->wl_dpy); +} + +static void +dri2_wl_swrast_get_drawable_info(__DRIdrawable * draw, + int *x, int *y, int *w, int *h, + void *loaderPrivate) +{ + struct dri2_egl_surface *dri2_surf = loaderPrivate; + + (void) swrast_update_buffers(dri2_surf); + *x = 0; + *y = 0; + *w = dri2_surf->base.Width; + *h = dri2_surf->base.Height; +} + +static void +dri2_wl_swrast_get_image(__DRIdrawable * read, + int x, int y, int w, int h, + char *data, void *loaderPrivate) +{ + struct dri2_egl_surface *dri2_surf = loaderPrivate; + int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w); + int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x); + int src_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width); + int dst_stride = copy_width; + char *src, *dst; + + src = dri2_wl_swrast_get_frontbuffer_data(dri2_surf); + if (!src) { + memset(data, 0, copy_width * h); + return; + } + + assert(data != src); + assert(copy_width <= src_stride); + + src += x_offset; + src += y * src_stride; + dst = data; + + if (copy_width > src_stride-x_offset) + copy_width = src_stride-x_offset; + if (h > dri2_surf->base.Height-y) + h = dri2_surf->base.Height-y; + + for (; h>0; h--) { + memcpy(dst, src, copy_width); + src += src_stride; + dst += dst_stride; + } +} + +static void +dri2_wl_swrast_put_image2(__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; + int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w); + int dst_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width); + int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x); + char *src, *dst; + + assert(copy_width <= stride); + + (void) swrast_update_buffers(dri2_surf); + dst = dri2_wl_swrast_get_backbuffer_data(dri2_surf); + + /* partial copy, copy old content */ + if (copy_width < dst_stride) + dri2_wl_swrast_get_image(draw, 0, 0, + dri2_surf->base.Width, dri2_surf->base.Height, + dst, loaderPrivate); + + dst += x_offset; + dst += y * dst_stride; + + src = data; + + /* drivers expect we do these checks (and some rely on it) */ + if (copy_width > dst_stride-x_offset) + copy_width = dst_stride-x_offset; + if (h > dri2_surf->base.Height-y) + h = dri2_surf->base.Height-y; + + for (; h>0; h--) { + memcpy(dst, src, copy_width); + src += stride; + dst += dst_stride; + } + dri2_wl_swrast_commit_backbuffer(dri2_surf); +} + +static void +dri2_wl_swrast_put_image(__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; + + stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w); + dri2_wl_swrast_put_image2(draw, op, x, y, w, h, + stride, data, loaderPrivate); +} + +/** + * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). + */ +static _EGLSurface * +dri2_wl_swrast_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, + _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 wl_egl_window *window = native_window; + struct dri2_egl_surface *dri2_surf; + const __DRIconfig *config; + + (void) drv; + + dri2_surf = calloc(1, sizeof *dri2_surf); + if (!dri2_surf) { + _eglError(EGL_BAD_ALLOC, "dri2_create_surface"); + return NULL; + } + + if (!_eglInitSurface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf, attrib_list)) + goto cleanup_surf; + + if (conf->RedSize == 5) + dri2_surf->format = WL_SHM_FORMAT_RGB565; + else if (conf->AlphaSize == 0) + dri2_surf->format = WL_SHM_FORMAT_XRGB8888; + else + dri2_surf->format = WL_SHM_FORMAT_ARGB8888; + + dri2_surf->wl_win = window; + + dri2_surf->base.Width = -1; + dri2_surf->base.Height = -1; + + config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT, + dri2_surf->base.GLColorspace); + + 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, "swrast->createNewDrawable"); + goto cleanup_dri_drawable; + } + + dri2_wl_swap_interval(drv, disp, &dri2_surf->base, + dri2_dpy->default_swap_interval); + + return &dri2_surf->base; + + cleanup_dri_drawable: + dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable); + cleanup_surf: + free(dri2_surf); + + return NULL; +} + +static EGLBoolean +dri2_wl_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 void +shm_handle_format(void *data, struct wl_shm *shm, uint32_t format) +{ + struct dri2_egl_display *dri2_dpy = data; + + switch (format) { + case WL_SHM_FORMAT_ARGB8888: + dri2_dpy->formats |= HAS_ARGB8888; + break; + case WL_SHM_FORMAT_XRGB8888: + dri2_dpy->formats |= HAS_XRGB8888; + break; + case WL_SHM_FORMAT_RGB565: + dri2_dpy->formats |= HAS_RGB565; + break; + } +} + +static const struct wl_shm_listener shm_listener = { + .format = shm_handle_format +}; + +static void +registry_handle_global_swrast(void *data, struct wl_registry *registry, uint32_t name, + const char *interface, uint32_t version) +{ + struct dri2_egl_display *dri2_dpy = data; + + if (strcmp(interface, "wl_shm") == 0) { + dri2_dpy->wl_shm = + wl_registry_bind(registry, name, &wl_shm_interface, 1); + wl_shm_add_listener(dri2_dpy->wl_shm, &shm_listener, dri2_dpy); + } +} + +static const struct wl_registry_listener registry_listener_swrast = { + .global = registry_handle_global_swrast, + .global_remove = registry_handle_global_remove +}; + +static struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl = { + .authenticate = NULL, + .create_window_surface = dri2_wl_swrast_create_window_surface, + .create_pixmap_surface = dri2_wl_create_pixmap_surface, + .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface, + .destroy_surface = dri2_wl_destroy_surface, + .create_image = dri2_fallback_create_image_khr, + .swap_interval = dri2_wl_swap_interval, + .swap_buffers = dri2_wl_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, +}; + +static EGLBoolean +dri2_initialize_wayland_swrast(_EGLDriver *drv, _EGLDisplay *disp) +{ + struct dri2_egl_display *dri2_dpy; + const __DRIconfig *config; + uint32_t types; + int i; + static const unsigned int argb_masks[4] = + { 0xff0000, 0xff00, 0xff, 0xff000000 }; + static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 }; + static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 }; + + loader_set_logger(_eglLog); + + dri2_dpy = calloc(1, sizeof *dri2_dpy); + if (!dri2_dpy) + return _eglError(EGL_BAD_ALLOC, "eglInitialize"); + + disp->DriverData = (void *) dri2_dpy; + if (disp->PlatformDisplay == NULL) { + dri2_dpy->wl_dpy = wl_display_connect(NULL); + if (dri2_dpy->wl_dpy == NULL) + goto cleanup_dpy; + dri2_dpy->own_device = 1; + } else { + dri2_dpy->wl_dpy = disp->PlatformDisplay; + } + + dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy); + + if (dri2_dpy->own_device) + wl_display_dispatch_pending(dri2_dpy->wl_dpy); + + dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy); + wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry, + dri2_dpy->wl_queue); + wl_registry_add_listener(dri2_dpy->wl_registry, + ®istry_listener_swrast, dri2_dpy); + + if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_shm == NULL) + goto cleanup_registry; + + if (roundtrip(dri2_dpy) < 0 || dri2_dpy->formats == 0) + goto cleanup_shm; + + dri2_dpy->fd = -1; + dri2_dpy->driver_name = strdup("swrast"); + if (!dri2_load_driver_swrast(disp)) + goto cleanup_shm; + + dri2_dpy->swrast_loader_extension.base.name = __DRI_SWRAST_LOADER; + dri2_dpy->swrast_loader_extension.base.version = 2; + dri2_dpy->swrast_loader_extension.getDrawableInfo = dri2_wl_swrast_get_drawable_info; + dri2_dpy->swrast_loader_extension.putImage = dri2_wl_swrast_put_image; + dri2_dpy->swrast_loader_extension.getImage = dri2_wl_swrast_get_image; + dri2_dpy->swrast_loader_extension.putImage2 = dri2_wl_swrast_put_image2; + + dri2_dpy->extensions[0] = &dri2_dpy->swrast_loader_extension.base; + dri2_dpy->extensions[1] = NULL; + + if (!dri2_create_screen(disp)) + goto cleanup_driver; + + dri2_wl_setup_swap_interval(dri2_dpy); + + types = EGL_WINDOW_BIT; + for (i = 0; dri2_dpy->driver_configs[i]; i++) { + config = dri2_dpy->driver_configs[i]; + if (dri2_dpy->formats & HAS_XRGB8888) + dri2_add_config(disp, config, i + 1, types, NULL, rgb_masks); + if (dri2_dpy->formats & HAS_ARGB8888) + dri2_add_config(disp, config, i + 1, types, NULL, argb_masks); + if (dri2_dpy->formats & HAS_RGB565) + dri2_add_config(disp, config, i + 1, types, NULL, rgb565_masks); + } + + /* Fill vtbl last to prevent accidentally calling virtual function during + * initialization. + */ + dri2_dpy->vtbl = &dri2_wl_swrast_display_vtbl; + + return EGL_TRUE; + + cleanup_driver: + dlclose(dri2_dpy->driver); + cleanup_shm: + wl_shm_destroy(dri2_dpy->wl_shm); + cleanup_registry: + wl_registry_destroy(dri2_dpy->wl_registry); + wl_event_queue_destroy(dri2_dpy->wl_queue); + cleanup_dpy: + free(dri2_dpy); + + return EGL_FALSE; +} + +EGLBoolean +dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) +{ + EGLBoolean initialized = EGL_TRUE; + + int hw_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL); + + if (hw_accel) { + if (!dri2_initialize_wayland_drm(drv, disp)) { + initialized = dri2_initialize_wayland_swrast(drv, disp); + } + } else { + initialized = dri2_initialize_wayland_swrast(drv, disp); + } + + return initialized; + +}