/* * 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 (including the next * paragraph) 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. * * Authors: * Kristian Høgsberg */ #include #include #include #include #include #include #include #include #include #include /* clang-format off */ #include #include #include #include /* clang-format on */ #ifdef HAVE_LIBDRM #include #include "platform_x11_dri3.h" #endif #include "util/bitscan.h" #include "util/macros.h" #include "util/u_debug.h" #include "util/log.h" #include #include #include "loader_x11.h" #include "kopper_interface.h" #include "loader.h" #include "platform_x11.h" #include "drm-uapi/drm_fourcc.h" #include "dri_util.h" static EGLBoolean dri2_x11_swap_interval(_EGLDisplay *disp, _EGLSurface *surf, EGLint interval); static void swrastCreateDrawable(struct dri2_egl_display *dri2_dpy, struct dri2_egl_surface *dri2_surf) { uint32_t mask; const uint32_t function = GXcopy; uint32_t valgc[2]; /* create GC's */ dri2_surf->gc = xcb_generate_id(dri2_dpy->conn); mask = XCB_GC_FUNCTION; xcb_create_gc(dri2_dpy->conn, dri2_surf->gc, dri2_surf->drawable, mask, &function); dri2_surf->swapgc = xcb_generate_id(dri2_dpy->conn); mask = XCB_GC_FUNCTION | XCB_GC_GRAPHICS_EXPOSURES; valgc[0] = function; valgc[1] = False; xcb_create_gc(dri2_dpy->conn, dri2_surf->swapgc, dri2_surf->drawable, mask, valgc); switch (dri2_surf->depth) { case 32: case 30: case 24: dri2_surf->bytes_per_pixel = 4; break; case 16: dri2_surf->bytes_per_pixel = 2; break; case 8: dri2_surf->bytes_per_pixel = 1; break; case 0: dri2_surf->bytes_per_pixel = 0; break; default: _eglLog(_EGL_WARNING, "unsupported depth %d", dri2_surf->depth); } } static void swrastDestroyDrawable(struct dri2_egl_display *dri2_dpy, struct dri2_egl_surface *dri2_surf) { xcb_free_gc(dri2_dpy->conn, dri2_surf->gc); xcb_free_gc(dri2_dpy->conn, dri2_surf->swapgc); } static bool x11_get_drawable_info(__DRIdrawable *draw, int *x, int *y, int *w, int *h, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); xcb_get_geometry_cookie_t cookie; xcb_get_geometry_reply_t *reply; xcb_generic_error_t *error; bool ret; cookie = xcb_get_geometry(dri2_dpy->conn, dri2_surf->drawable); reply = xcb_get_geometry_reply(dri2_dpy->conn, cookie, &error); if (reply == NULL) return false; if (error != NULL) { ret = false; _eglLog(_EGL_WARNING, "error in xcb_get_geometry"); free(error); } else { *x = reply->x; *y = reply->y; *w = reply->width; *h = reply->height; ret = true; } free(reply); return ret; } static void swrastGetDrawableInfo(__DRIdrawable *draw, int *x, int *y, int *w, int *h, void *loaderPrivate) { *x = *y = *w = *h = 0; x11_get_drawable_info(draw, x, y, w, h, loaderPrivate); } 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 dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); int stride_b = dri2_surf->bytes_per_pixel * w; size_t hdr_len = sizeof(xcb_put_image_request_t); size_t size = (hdr_len + stride_b * h) >> 2; uint64_t max_req_len = xcb_get_maximum_request_length(dri2_dpy->conn); xcb_gcontext_t gc; xcb_void_cookie_t cookie; switch (op) { case __DRI_SWRAST_IMAGE_OP_DRAW: gc = dri2_surf->gc; break; case __DRI_SWRAST_IMAGE_OP_SWAP: gc = dri2_surf->swapgc; break; default: return; } /* clamp to drawable size */ if (y + h > dri2_surf->base.Height) h = dri2_surf->base.Height - y; /* If stride of pixels to copy is different from the surface stride * then we need to copy lines one by one. */ if (stride_b != stride) { for (unsigned i = 0; i < h; i++) { cookie = xcb_put_image( dri2_dpy->conn, XCB_IMAGE_FORMAT_Z_PIXMAP, dri2_surf->drawable, gc, w, 1, x, y+i, 0, dri2_surf->depth, stride_b, (uint8_t*)data); xcb_discard_reply(dri2_dpy->conn, cookie.sequence); data += stride; } } else if (size < max_req_len) { cookie = xcb_put_image( dri2_dpy->conn, XCB_IMAGE_FORMAT_Z_PIXMAP, dri2_surf->drawable, gc, w, h, x, y, 0, dri2_surf->depth, h * stride_b, (const uint8_t *)data); xcb_discard_reply(dri2_dpy->conn, cookie.sequence); } else { int num_lines = ((max_req_len << 2) - hdr_len) / stride_b; int y_start = 0; int y_todo = h; while (y_todo) { int this_lines = MIN2(num_lines, y_todo); cookie = xcb_put_image(dri2_dpy->conn, XCB_IMAGE_FORMAT_Z_PIXMAP, dri2_surf->drawable, gc, w, this_lines, x, y_start, 0, dri2_surf->depth, this_lines * stride_b, ((const uint8_t *)data + y_start * stride_b)); xcb_discard_reply(dri2_dpy->conn, cookie.sequence); y_start += this_lines; y_todo -= this_lines; } } xcb_flush(dri2_dpy->conn); } 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_b = dri2_surf->bytes_per_pixel * w; swrastPutImage2(draw, op, x, y, w, h, stride_b, data, loaderPrivate); } static void swrastGetImage2(__DRIdrawable * read, int x, int y, int w, int h, int stride, char *data, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); xcb_get_image_cookie_t cookie; xcb_get_image_reply_t *reply; xcb_generic_error_t *error; cookie = xcb_get_image(dri2_dpy->conn, XCB_IMAGE_FORMAT_Z_PIXMAP, dri2_surf->drawable, x, y, w, h, ~0); reply = xcb_get_image_reply(dri2_dpy->conn, cookie, &error); if (reply == NULL) return; if (error != NULL) { _eglLog(_EGL_WARNING, "error in xcb_get_image"); free(error); } else { uint32_t bytes = xcb_get_image_data_length(reply); uint8_t *idata = xcb_get_image_data(reply); int stride_b = w * dri2_surf->bytes_per_pixel; /* Only copy line by line if we have a different stride */ if (stride != stride_b) { for (int i = 0; i < h; i++) { memcpy(data, idata, stride_b); data += stride; idata += stride_b; } } else { memcpy(data, idata, bytes); } } free(reply); } static void swrastGetImage(__DRIdrawable *read, int x, int y, int w, int h, char *data, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; int stride_b = w * dri2_surf->bytes_per_pixel; swrastGetImage2(read, x, y, w, h, stride_b, data, loaderPrivate); } static void swrastPutImageShm(__DRIdrawable * draw, int op, int x, int y, int w, int h, int stride, int shmid, char *shmaddr, unsigned offset, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); xcb_generic_error_t *error = NULL; xcb_shm_seg_t shm_seg = xcb_generate_id(dri2_dpy->conn); error = xcb_request_check(dri2_dpy->conn, xcb_shm_attach_checked(dri2_dpy->conn, shm_seg, shmid, 0)); if (error) { mesa_loge("Failed to attach to x11 shm"); _eglError(EGL_BAD_SURFACE, "xcb_shm_attach_checked"); free(error); return; } xcb_gcontext_t gc; xcb_void_cookie_t cookie; switch (op) { case __DRI_SWRAST_IMAGE_OP_DRAW: gc = dri2_surf->gc; break; case __DRI_SWRAST_IMAGE_OP_SWAP: gc = dri2_surf->swapgc; break; default: return; } cookie = xcb_shm_put_image(dri2_dpy->conn, dri2_surf->drawable, gc, stride / dri2_surf->bytes_per_pixel, h, x, 0, w, h, x, y, dri2_surf->depth, XCB_IMAGE_FORMAT_Z_PIXMAP, 0, shm_seg, stride * y); xcb_discard_reply(dri2_dpy->conn, cookie.sequence); xcb_flush(dri2_dpy->conn); xcb_shm_detach(dri2_dpy->conn, shm_seg); } static void swrastGetImageShm(__DRIdrawable * read, int x, int y, int w, int h, int shmid, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); xcb_generic_error_t *error = NULL; xcb_shm_seg_t shm_seg = xcb_generate_id(dri2_dpy->conn); error = xcb_request_check(dri2_dpy->conn, xcb_shm_attach_checked(dri2_dpy->conn, shm_seg, shmid, 0)); if (error) { mesa_loge("Failed to attach to x11 shm"); _eglError(EGL_BAD_SURFACE, "xcb_shm_attach_checked"); free(error); return; } xcb_shm_get_image_cookie_t cookie; xcb_shm_get_image_reply_t *reply; cookie = xcb_shm_get_image(dri2_dpy->conn, dri2_surf->drawable, x, y, w, h, ~0, XCB_IMAGE_FORMAT_Z_PIXMAP, shm_seg, 0); reply = xcb_shm_get_image_reply(dri2_dpy->conn, cookie, NULL); if (reply == NULL) _eglLog(_EGL_WARNING, "error in xcb_shm_get_image"); else free(reply); xcb_shm_detach(dri2_dpy->conn, shm_seg); } static xcb_screen_t * get_xcb_screen(xcb_screen_iterator_t iter, int screen) { for (; iter.rem; --screen, xcb_screen_next(&iter)) if (screen == 0) return iter.data; return NULL; } static xcb_visualtype_t * get_xcb_visualtype_for_depth(struct dri2_egl_display *dri2_dpy, int depth) { xcb_visualtype_iterator_t visual_iter; xcb_screen_t *screen = dri2_dpy->screen; xcb_depth_iterator_t depth_iter = xcb_screen_allowed_depths_iterator(screen); for (; depth_iter.rem; xcb_depth_next(&depth_iter)) { if (depth_iter.data->depth != depth) continue; visual_iter = xcb_depth_visuals_iterator(depth_iter.data); if (visual_iter.rem) return visual_iter.data; } return NULL; } /* Get red channel mask for given depth. */ unsigned int dri2_x11_get_red_mask_for_depth(struct dri2_egl_display *dri2_dpy, int depth) { xcb_visualtype_t *visual = get_xcb_visualtype_for_depth(dri2_dpy, depth); if (visual) return visual->red_mask; return 0; } /** * Called via eglCreateWindowSurface(), drv->CreateWindowSurface(). */ static _EGLSurface * dri2_x11_create_surface(_EGLDisplay *disp, EGLint type, _EGLConfig *conf, void *native_surface, 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; xcb_get_geometry_cookie_t cookie; xcb_get_geometry_reply_t *reply; xcb_generic_error_t *error; const __DRIconfig *config; dri2_surf = calloc(1, sizeof *dri2_surf); if (!dri2_surf) { _eglError(EGL_BAD_ALLOC, "dri2_create_surface"); return NULL; } if (!dri2_init_surface(&dri2_surf->base, disp, type, conf, attrib_list, false, native_surface)) goto cleanup_surf; dri2_surf->region = XCB_NONE; if (type == EGL_PBUFFER_BIT) { dri2_surf->drawable = xcb_generate_id(dri2_dpy->conn); xcb_create_pixmap(dri2_dpy->conn, conf->BufferSize, dri2_surf->drawable, dri2_dpy->screen->root, dri2_surf->base.Width, dri2_surf->base.Height); } else { STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface)); dri2_surf->drawable = (uintptr_t)native_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_pixmap; } if (type != EGL_PBUFFER_BIT) { cookie = xcb_get_geometry(dri2_dpy->conn, dri2_surf->drawable); reply = xcb_get_geometry_reply(dri2_dpy->conn, cookie, &error); if (error != NULL) { if (error->error_code == BadAlloc) _eglError(EGL_BAD_ALLOC, "xcb_get_geometry"); else if (type == EGL_WINDOW_BIT) _eglError(EGL_BAD_NATIVE_WINDOW, "xcb_get_geometry"); else _eglError(EGL_BAD_NATIVE_PIXMAP, "xcb_get_geometry"); free(error); free(reply); goto cleanup_dri_drawable; } else if (reply == NULL) { _eglError(EGL_BAD_ALLOC, "xcb_get_geometry"); goto cleanup_dri_drawable; } dri2_surf->base.Width = reply->width; dri2_surf->base.Height = reply->height; dri2_surf->depth = reply->depth; free(reply); } if (!dri2_create_drawable(dri2_dpy, config, dri2_surf, dri2_surf)) goto cleanup_pixmap; #ifdef HAVE_X11_DRI2 if (!dri2_dpy->swrast) { xcb_void_cookie_t cookie; int conn_error; cookie = xcb_dri2_create_drawable_checked(dri2_dpy->conn, dri2_surf->drawable); error = xcb_request_check(dri2_dpy->conn, cookie); conn_error = xcb_connection_has_error(dri2_dpy->conn); if (conn_error || error != NULL) { if (type == EGL_PBUFFER_BIT || conn_error || error->error_code == BadAlloc) _eglError(EGL_BAD_ALLOC, "xcb_dri2_create_drawable_checked"); else if (type == EGL_WINDOW_BIT) _eglError(EGL_BAD_NATIVE_WINDOW, "xcb_dri2_create_drawable_checked"); else _eglError(EGL_BAD_NATIVE_PIXMAP, "xcb_dri2_create_drawable_checked"); free(error); goto cleanup_dri_drawable; } } else #endif { if (type == EGL_PBUFFER_BIT) { dri2_surf->depth = conf->BufferSize; } swrastCreateDrawable(dri2_dpy, dri2_surf); } /* we always copy the back buffer to front */ dri2_surf->base.PostSubBufferSupportedNV = EGL_TRUE; return &dri2_surf->base; cleanup_dri_drawable: driDestroyDrawable(dri2_surf->dri_drawable); cleanup_pixmap: if (type == EGL_PBUFFER_BIT) xcb_free_pixmap(dri2_dpy->conn, dri2_surf->drawable); cleanup_surf: free(dri2_surf); return NULL; } /** * Called via eglCreateWindowSurface(), drv->CreateWindowSurface(). */ static _EGLSurface * dri2_x11_create_window_surface(_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_x11_create_surface(disp, EGL_WINDOW_BIT, conf, native_window, attrib_list); if (surf != NULL) { /* When we first create the DRI2 drawable, its swap interval on the * server side is 1. */ surf->SwapInterval = 1; /* Override that with a driconf-set value. */ dri2_x11_swap_interval(disp, surf, dri2_dpy->default_swap_interval); } return surf; } static _EGLSurface * dri2_x11_create_pixmap_surface(_EGLDisplay *disp, _EGLConfig *conf, void *native_pixmap, const EGLint *attrib_list) { return dri2_x11_create_surface(disp, EGL_PIXMAP_BIT, conf, native_pixmap, attrib_list); } static _EGLSurface * dri2_x11_create_pbuffer_surface(_EGLDisplay *disp, _EGLConfig *conf, const EGLint *attrib_list) { return dri2_x11_create_surface(disp, EGL_PBUFFER_BIT, conf, NULL, attrib_list); } static EGLBoolean dri2_x11_destroy_surface(_EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); driDestroyDrawable(dri2_surf->dri_drawable); if (!dri2_dpy->swrast) { #ifdef HAVE_X11_DRI2 xcb_dri2_destroy_drawable(dri2_dpy->conn, dri2_surf->drawable); #endif } else { swrastDestroyDrawable(dri2_dpy, dri2_surf); } if (surf->Type == EGL_PBUFFER_BIT) xcb_free_pixmap(dri2_dpy->conn, dri2_surf->drawable); dri2_fini_surface(surf); free(surf); return EGL_TRUE; } /** * Function utilizes swrastGetDrawableInfo to get surface * geometry from x server and calls default query surface * implementation that returns the updated values. * * In case of errors we still return values that we currently * have. */ static EGLBoolean dri2_query_surface(_EGLDisplay *disp, _EGLSurface *surf, EGLint attribute, EGLint *value) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); int x, y, w, h; __DRIdrawable *drawable = dri2_dpy->vtbl->get_dri_drawable(surf); switch (attribute) { case EGL_WIDTH: case EGL_HEIGHT: if (x11_get_drawable_info(drawable, &x, &y, &w, &h, dri2_surf)) { bool changed = surf->Width != w || surf->Height != h; surf->Width = w; surf->Height = h; if (changed && !dri2_dpy->swrast_not_kms) dri_invalidate_drawable(drawable); } break; default: break; } return _eglQuerySurface(disp, surf, attribute, value); } #ifdef HAVE_X11_DRI2 /** * Process list of buffer received from the server * * Processes the list of buffers received in a reply from the server to either * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat. */ static void dri2_x11_process_buffers(struct dri2_egl_surface *dri2_surf, xcb_dri2_dri2_buffer_t *buffers, unsigned count) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); xcb_rectangle_t rectangle; dri2_surf->have_fake_front = false; /* This assumes the DRI2 buffer attachment tokens matches the * __DRIbuffer tokens. */ for (unsigned i = 0; i < count; i++) { dri2_surf->buffers[i].attachment = buffers[i].attachment; dri2_surf->buffers[i].name = buffers[i].name; dri2_surf->buffers[i].pitch = buffers[i].pitch; dri2_surf->buffers[i].cpp = buffers[i].cpp; dri2_surf->buffers[i].flags = buffers[i].flags; /* We only use the DRI drivers single buffer configs. This * means that if we try to render to a window, DRI2 will give us * the fake front buffer, which we'll use as a back buffer. * Note that EGL doesn't require that several clients rendering * to the same window must see the same aux buffers. */ if (dri2_surf->buffers[i].attachment == __DRI_BUFFER_FAKE_FRONT_LEFT) dri2_surf->have_fake_front = true; } if (dri2_surf->region != XCB_NONE) xcb_xfixes_destroy_region(dri2_dpy->conn, dri2_surf->region); rectangle.x = 0; rectangle.y = 0; rectangle.width = dri2_surf->base.Width; rectangle.height = dri2_surf->base.Height; dri2_surf->region = xcb_generate_id(dri2_dpy->conn); xcb_xfixes_create_region(dri2_dpy->conn, dri2_surf->region, 1, &rectangle); } static __DRIbuffer * dri2_x11_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; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); xcb_dri2_dri2_buffer_t *buffers; xcb_dri2_get_buffers_reply_t *reply; xcb_dri2_get_buffers_cookie_t cookie; (void)driDrawable; cookie = xcb_dri2_get_buffers_unchecked(dri2_dpy->conn, dri2_surf->drawable, count, count, attachments); reply = xcb_dri2_get_buffers_reply(dri2_dpy->conn, cookie, NULL); if (reply == NULL) return NULL; buffers = xcb_dri2_get_buffers_buffers(reply); if (buffers == NULL) { free(reply); return NULL; } *out_count = reply->count; dri2_surf->base.Width = *width = reply->width; dri2_surf->base.Height = *height = reply->height; dri2_x11_process_buffers(dri2_surf, buffers, *out_count); free(reply); return dri2_surf->buffers; } static __DRIbuffer * dri2_x11_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; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); xcb_dri2_dri2_buffer_t *buffers; xcb_dri2_get_buffers_with_format_reply_t *reply; xcb_dri2_get_buffers_with_format_cookie_t cookie; xcb_dri2_attach_format_t *format_attachments; (void)driDrawable; format_attachments = (xcb_dri2_attach_format_t *)attachments; cookie = xcb_dri2_get_buffers_with_format_unchecked( dri2_dpy->conn, dri2_surf->drawable, count, count, format_attachments); reply = xcb_dri2_get_buffers_with_format_reply(dri2_dpy->conn, cookie, NULL); if (reply == NULL) return NULL; buffers = xcb_dri2_get_buffers_with_format_buffers(reply); dri2_surf->base.Width = *width = reply->width; dri2_surf->base.Height = *height = reply->height; *out_count = reply->count; dri2_x11_process_buffers(dri2_surf, buffers, *out_count); free(reply); return dri2_surf->buffers; } static void dri2_x11_flush_front_buffer(__DRIdrawable *driDrawable, void *loaderPrivate) { (void)driDrawable; /* FIXME: Does EGL support front buffer rendering at all? */ #if 0 struct dri2_egl_surface *dri2_surf = loaderPrivate; dri2WaitGL(dri2_surf); #else (void)loaderPrivate; #endif } static int dri2_x11_do_authenticate(struct dri2_egl_display *dri2_dpy, uint32_t id) { xcb_dri2_authenticate_reply_t *authenticate; xcb_dri2_authenticate_cookie_t authenticate_cookie; int ret = 0; authenticate_cookie = xcb_dri2_authenticate_unchecked( dri2_dpy->conn, dri2_dpy->screen->root, id); authenticate = xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL); if (authenticate == NULL || !authenticate->authenticated) ret = -1; free(authenticate); return ret; } static EGLBoolean dri2_x11_local_authenticate(struct dri2_egl_display *dri2_dpy) { #ifdef HAVE_LIBDRM drm_magic_t magic; if (drmGetMagic(dri2_dpy->fd_render_gpu, &magic)) { _eglLog(_EGL_WARNING, "DRI2: failed to get drm magic"); return EGL_FALSE; } if (dri2_x11_do_authenticate(dri2_dpy, magic) < 0) { _eglLog(_EGL_WARNING, "DRI2: failed to authenticate"); return EGL_FALSE; } #endif return EGL_TRUE; } static EGLBoolean dri2_x11_connect(struct dri2_egl_display *dri2_dpy) { xcb_xfixes_query_version_reply_t *xfixes_query; xcb_xfixes_query_version_cookie_t xfixes_query_cookie; xcb_dri2_query_version_reply_t *dri2_query; xcb_dri2_query_version_cookie_t dri2_query_cookie; xcb_dri2_connect_reply_t *connect; xcb_dri2_connect_cookie_t connect_cookie; xcb_generic_error_t *error; char *driver_name, *loader_driver_name, *device_name; const xcb_query_extension_reply_t *extension; xcb_prefetch_extension_data(dri2_dpy->conn, &xcb_xfixes_id); xcb_prefetch_extension_data(dri2_dpy->conn, &xcb_dri2_id); extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_xfixes_id); if (!(extension && extension->present)) return EGL_FALSE; extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_dri2_id); if (!(extension && extension->present)) return EGL_FALSE; xfixes_query_cookie = xcb_xfixes_query_version( dri2_dpy->conn, XCB_XFIXES_MAJOR_VERSION, XCB_XFIXES_MINOR_VERSION); dri2_query_cookie = xcb_dri2_query_version( dri2_dpy->conn, XCB_DRI2_MAJOR_VERSION, XCB_DRI2_MINOR_VERSION); connect_cookie = xcb_dri2_connect_unchecked( dri2_dpy->conn, dri2_dpy->screen->root, XCB_DRI2_DRIVER_TYPE_DRI); xfixes_query = xcb_xfixes_query_version_reply(dri2_dpy->conn, xfixes_query_cookie, &error); if (xfixes_query == NULL || error != NULL || xfixes_query->major_version < 2) { _eglLog(_EGL_WARNING, "DRI2: failed to query xfixes version"); free(error); free(xfixes_query); return EGL_FALSE; } free(xfixes_query); dri2_query = xcb_dri2_query_version_reply(dri2_dpy->conn, dri2_query_cookie, &error); if (dri2_query == NULL || error != NULL) { _eglLog(_EGL_WARNING, "DRI2: failed to query version"); free(error); free(dri2_query); return EGL_FALSE; } dri2_dpy->dri2_major = dri2_query->major_version; dri2_dpy->dri2_minor = dri2_query->minor_version; free(dri2_query); connect = xcb_dri2_connect_reply(dri2_dpy->conn, connect_cookie, NULL); if (connect == NULL || connect->driver_name_length + connect->device_name_length == 0) { _eglLog(_EGL_WARNING, "DRI2: failed to authenticate"); free(connect); return EGL_FALSE; } device_name = xcb_dri2_connect_device_name(connect); dri2_dpy->fd_render_gpu = loader_open_device(device_name); if (dri2_dpy->fd_render_gpu == -1) { _eglLog(_EGL_WARNING, "DRI2: could not open %s (%s)", device_name, strerror(errno)); free(connect); return EGL_FALSE; } if (!dri2_x11_local_authenticate(dri2_dpy)) { close(dri2_dpy->fd_render_gpu); free(connect); return EGL_FALSE; } driver_name = xcb_dri2_connect_driver_name(connect); /* If Mesa knows about the appropriate driver for this fd, then trust it. * Otherwise, default to the server's value. */ loader_driver_name = loader_get_driver_for_fd(dri2_dpy->fd_render_gpu); if (loader_driver_name) { dri2_dpy->driver_name = loader_driver_name; } else { dri2_dpy->driver_name = strndup(driver_name, xcb_dri2_connect_driver_name_length(connect)); } if (!strcmp(dri2_dpy->driver_name, "zink")) { close(dri2_dpy->fd_render_gpu); return EGL_FALSE; } if (dri2_dpy->driver_name == NULL) { close(dri2_dpy->fd_render_gpu); free(connect); return EGL_FALSE; } #ifdef HAVE_WAYLAND_PLATFORM dri2_dpy->device_name = strndup(device_name, xcb_dri2_connect_device_name_length(connect)); #endif free(connect); return EGL_TRUE; } static int dri2_x11_authenticate(_EGLDisplay *disp, uint32_t id) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); return dri2_x11_do_authenticate(dri2_dpy, id); } #endif static void dri2_x11_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy, _EGLDisplay *disp, bool supports_preserved) { xcb_depth_iterator_t d; xcb_visualtype_t *visuals; EGLint surface_type; d = xcb_screen_allowed_depths_iterator(dri2_dpy->screen); surface_type = EGL_WINDOW_BIT | EGL_PIXMAP_BIT | EGL_PBUFFER_BIT; if (supports_preserved) surface_type |= EGL_SWAP_BEHAVIOR_PRESERVED_BIT; while (d.rem > 0) { EGLBoolean class_added[6] = { 0, }; visuals = xcb_depth_visuals(d.data); for (int i = 0; i < xcb_depth_visuals_length(d.data); i++) { if (class_added[visuals[i]._class]) continue; class_added[visuals[i]._class] = EGL_TRUE; const int rgb_shifts[3] = { ffs(visuals[i].red_mask) - 1, ffs(visuals[i].green_mask) - 1, ffs(visuals[i].blue_mask) - 1, }; const unsigned int rgb_sizes[3] = { util_bitcount(visuals[i].red_mask), util_bitcount(visuals[i].green_mask), util_bitcount(visuals[i].blue_mask), }; const EGLint config_attrs[] = { EGL_NATIVE_VISUAL_ID, visuals[i].visual_id, EGL_NATIVE_VISUAL_TYPE, visuals[i]._class, EGL_NONE, }; const EGLint config_attrs_2nd_group[] = { EGL_NATIVE_VISUAL_ID, visuals[i].visual_id, EGL_NATIVE_VISUAL_TYPE, visuals[i]._class, EGL_CONFIG_SELECT_GROUP_EXT, 1, EGL_NONE, }; for (int j = 0; dri2_dpy->driver_configs[j]; j++) { const __DRIconfig *config = dri2_dpy->driver_configs[j]; int shifts[4]; unsigned int sizes[4]; dri2_get_shifts_and_sizes(config, shifts, sizes); if (memcmp(shifts, rgb_shifts, sizeof(rgb_shifts)) != 0 || memcmp(sizes, rgb_sizes, sizeof(rgb_sizes)) != 0) { continue; } /* Allows RGB visuals to match a 32-bit RGBA EGLConfig. * Otherwise it will only match a 32-bit RGBA visual. On a * composited window manager on X11, this will make all of the * EGLConfigs with destination alpha get blended by the * compositor. This is probably not what the application * wants... especially on drivers that only have 32-bit RGBA * EGLConfigs! */ if (sizes[3] != 0) { unsigned int rgba_mask = ~(visuals[i].red_mask | visuals[i].green_mask | visuals[i].blue_mask); if (shifts[3] != ffs(rgba_mask) - 1 || sizes[3] != util_bitcount(rgba_mask)) continue; } unsigned int bit_per_pixel = sizes[0] + sizes[1] + sizes[2] + sizes[3]; if (sizes[3] != 0 && d.data->depth == bit_per_pixel) { dri2_add_config(disp, config, surface_type, config_attrs_2nd_group); } else { dri2_add_config(disp, config, surface_type, config_attrs); } } } xcb_depth_next(&d); } } #ifdef HAVE_X11_DRI2 static EGLBoolean dri2_copy_region(_EGLDisplay *disp, _EGLSurface *draw, xcb_xfixes_region_t region) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); enum xcb_dri2_attachment_t render_attachment; xcb_dri2_copy_region_cookie_t cookie; /* No-op for a pixmap or pbuffer surface */ if (draw->Type == EGL_PIXMAP_BIT || draw->Type == EGL_PBUFFER_BIT) return EGL_TRUE; assert(!dri2_dpy->kopper); dri_flush_drawable(dri2_surf->dri_drawable); if (dri2_surf->have_fake_front) render_attachment = XCB_DRI2_ATTACHMENT_BUFFER_FAKE_FRONT_LEFT; else render_attachment = XCB_DRI2_ATTACHMENT_BUFFER_BACK_LEFT; cookie = xcb_dri2_copy_region_unchecked( dri2_dpy->conn, dri2_surf->drawable, region, XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT, render_attachment); free(xcb_dri2_copy_region_reply(dri2_dpy->conn, cookie, NULL)); return EGL_TRUE; } static int64_t dri2_x11_swap_buffers_msc(_EGLDisplay *disp, _EGLSurface *draw, int64_t msc, int64_t divisor, int64_t remainder) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); uint32_t msc_hi = msc >> 32; uint32_t msc_lo = msc & 0xffffffff; uint32_t divisor_hi = divisor >> 32; uint32_t divisor_lo = divisor & 0xffffffff; uint32_t remainder_hi = remainder >> 32; uint32_t remainder_lo = remainder & 0xffffffff; xcb_dri2_swap_buffers_cookie_t cookie; xcb_dri2_swap_buffers_reply_t *reply; int64_t swap_count = -1; if (draw->SwapBehavior == EGL_BUFFER_PRESERVED || !dri2_dpy->swap_available) { swap_count = dri2_copy_region(disp, draw, dri2_surf->region) ? 0 : -1; } else { dri2_flush_drawable_for_swapbuffers(disp, draw); cookie = xcb_dri2_swap_buffers_unchecked( dri2_dpy->conn, dri2_surf->drawable, msc_hi, msc_lo, divisor_hi, divisor_lo, remainder_hi, remainder_lo); reply = xcb_dri2_swap_buffers_reply(dri2_dpy->conn, cookie, NULL); if (reply) { swap_count = combine_u32_into_u64(reply->swap_hi, reply->swap_lo); free(reply); } } /* Since we aren't watching for the server's invalidate events like we're * supposed to (due to XCB providing no mechanism for filtering the events * the way xlib does), and SwapBuffers is a common cause of invalidate * events, just shove one down to the driver, even though we haven't told * the driver that we're the kind of loader that provides reliable * invalidate events. This causes the driver to request buffers again at * its next draw, so that we get the correct buffers if a pageflip * happened. The driver should still be using the viewport hack to catch * window resizes. */ dri_invalidate_drawable(dri2_surf->dri_drawable); return swap_count; } #endif static EGLBoolean dri2_x11_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); if (dri2_dpy->kopper) { /* From the EGL 1.4 spec (page 52): * * "The contents of ancillary buffers are always undefined * after calling eglSwapBuffers." */ kopperSwapBuffers(dri2_surf->dri_drawable, __DRI2_FLUSH_INVALIDATE_ANCILLARY); return EGL_TRUE; } else if (dri2_dpy->swrast) { /* aka the swrast path, which does the swap in the gallium driver. */ driSwapBuffers(dri2_surf->dri_drawable); return EGL_TRUE; } #ifdef HAVE_X11_DRI2 if (dri2_x11_swap_buffers_msc(disp, draw, 0, 0, 0) == -1) { /* Swap failed with a window drawable. */ return _eglError(EGL_BAD_NATIVE_WINDOW, __func__); } #endif return EGL_TRUE; } #ifdef HAVE_X11_DRI2 static EGLBoolean dri2_x11_swap_buffers_region(_EGLDisplay *disp, _EGLSurface *draw, EGLint numRects, const EGLint *rects) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); EGLBoolean ret; xcb_xfixes_region_t region; xcb_rectangle_t rectangles[16]; if (numRects > (int)ARRAY_SIZE(rectangles)) return dri2_copy_region(disp, draw, dri2_surf->region); for (int i = 0; i < numRects; i++) { rectangles[i].x = rects[i * 4]; rectangles[i].y = dri2_surf->base.Height - rects[i * 4 + 1] - rects[i * 4 + 3]; rectangles[i].width = rects[i * 4 + 2]; rectangles[i].height = rects[i * 4 + 3]; } region = xcb_generate_id(dri2_dpy->conn); xcb_xfixes_create_region(dri2_dpy->conn, region, numRects, rectangles); ret = dri2_copy_region(disp, draw, region); xcb_xfixes_destroy_region(dri2_dpy->conn, region); return ret; } static EGLBoolean dri2_x11_post_sub_buffer(_EGLDisplay *disp, _EGLSurface *draw, EGLint x, EGLint y, EGLint width, EGLint height) { const EGLint rect[4] = {x, y, width, height}; if (x < 0 || y < 0 || width < 0 || height < 0) _eglError(EGL_BAD_PARAMETER, "eglPostSubBufferNV"); return dri2_x11_swap_buffers_region(disp, draw, 1, rect); } #else #define dri2_x11_swap_buffers_region NULL #define dri2_x11_post_sub_buffer NULL #endif static EGLBoolean dri2_x11_kopper_swap_buffers_with_damage(_EGLDisplay *disp, _EGLSurface *draw, const EGLint *rects, EGLint numRects) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); /* swrast path unsupported for now */ assert(dri2_dpy->kopper); if (numRects) { if (dri2_dpy->kopper) kopperSwapBuffersWithDamage(dri2_surf->dri_drawable, __DRI2_FLUSH_INVALIDATE_ANCILLARY, numRects, rects); else driSwapBuffersWithDamage(dri2_surf->dri_drawable, numRects, rects); } else { if (dri2_dpy->kopper) kopperSwapBuffers(dri2_surf->dri_drawable, __DRI2_FLUSH_INVALIDATE_ANCILLARY); else driSwapBuffers(dri2_surf->dri_drawable); } return EGL_TRUE; } static EGLBoolean dri2_x11_swap_buffers_with_damage(_EGLDisplay *disp, _EGLSurface *draw, const EGLint *rects, EGLint numRects) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); if (numRects) driSwapBuffersWithDamage(dri2_surf->dri_drawable, numRects, rects); else driSwapBuffers(dri2_surf->dri_drawable); return EGL_TRUE; } static EGLBoolean dri2_x11_swap_interval(_EGLDisplay *disp, _EGLSurface *surf, EGLint interval) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); if (dri2_dpy->kopper) { kopperSetSwapInterval(dri2_surf->dri_drawable, interval); return EGL_TRUE; } #ifdef HAVE_X11_DRI2 if (dri2_dpy->swap_available) xcb_dri2_swap_interval(dri2_dpy->conn, dri2_surf->drawable, interval); #endif return EGL_TRUE; } static EGLBoolean dri2_x11_copy_buffers(_EGLDisplay *disp, _EGLSurface *surf, void *native_pixmap_target) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); xcb_gcontext_t gc; xcb_pixmap_t target; STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_pixmap_target)); target = (uintptr_t)native_pixmap_target; if (!dri2_dpy->swrast_not_kms) dri_flush_drawable(dri2_surf->dri_drawable); else { /* This should not be a swapBuffers, because it could present an * incomplete frame, and it could invalidate the back buffer if it's not * preserved. We really do want to flush. But it ends up working out * okay-ish on swrast because those aren't invalidating the back buffer on * swap. */ driSwapBuffers(dri2_surf->dri_drawable); } gc = xcb_generate_id(dri2_dpy->conn); xcb_create_gc(dri2_dpy->conn, gc, target, 0, NULL); xcb_copy_area(dri2_dpy->conn, dri2_surf->drawable, target, gc, 0, 0, 0, 0, dri2_surf->base.Width, dri2_surf->base.Height); xcb_free_gc(dri2_dpy->conn, gc); return EGL_TRUE; } uint32_t dri2_fourcc_for_depth(struct dri2_egl_display *dri2_dpy, uint32_t depth) { switch (depth) { case 16: return DRM_FORMAT_RGB565; case 24: return DRM_FORMAT_XRGB8888; case 30: /* Different preferred formats for different hw */ if (dri2_x11_get_red_mask_for_depth(dri2_dpy, 30) == 0x3ff) return DRM_FORMAT_XBGR2101010; else return DRM_FORMAT_XRGB2101010; case 32: return DRM_FORMAT_ARGB8888; default: return DRM_FORMAT_INVALID; } } #ifdef HAVE_X11_DRI2 static _EGLImage * dri2_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx, EGLClientBuffer buffer, const EGLint *attr_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img; unsigned int attachments[1]; xcb_drawable_t drawable; xcb_dri2_get_buffers_cookie_t buffers_cookie; xcb_dri2_get_buffers_reply_t *buffers_reply; xcb_dri2_dri2_buffer_t *buffers; xcb_get_geometry_cookie_t geometry_cookie; xcb_get_geometry_reply_t *geometry_reply; xcb_generic_error_t *error; int fourcc; (void)ctx; drawable = (xcb_drawable_t)(uintptr_t)buffer; xcb_dri2_create_drawable(dri2_dpy->conn, drawable); attachments[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT; buffers_cookie = xcb_dri2_get_buffers_unchecked(dri2_dpy->conn, drawable, 1, 1, attachments); geometry_cookie = xcb_get_geometry(dri2_dpy->conn, drawable); buffers_reply = xcb_dri2_get_buffers_reply(dri2_dpy->conn, buffers_cookie, NULL); if (buffers_reply == NULL) return NULL; buffers = xcb_dri2_get_buffers_buffers(buffers_reply); if (buffers == NULL) { free(buffers_reply); return NULL; } geometry_reply = xcb_get_geometry_reply(dri2_dpy->conn, geometry_cookie, &error); if (geometry_reply == NULL || error != NULL) { _eglError(EGL_BAD_ALLOC, "xcb_get_geometry"); free(error); free(buffers_reply); free(geometry_reply); return NULL; } fourcc = dri2_fourcc_for_depth(dri2_dpy, geometry_reply->depth); if (fourcc == DRM_FORMAT_INVALID) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr: unsupported pixmap depth"); free(buffers_reply); free(geometry_reply); return NULL; } dri2_img = malloc(sizeof *dri2_img); if (!dri2_img) { free(buffers_reply); free(geometry_reply); _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } _eglInitImage(&dri2_img->base, disp); dri2_img->dri_image = dri2_from_names( dri2_dpy->dri_screen_render_gpu, buffers_reply->width, buffers_reply->height, fourcc, (int *) &buffers[0].name, 1, (int *) &buffers[0].pitch, 0, dri2_img); free(buffers_reply); free(geometry_reply); return &dri2_img->base; } static _EGLImage * dri2_x11_create_image_khr(_EGLDisplay *disp, _EGLContext *ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list) { switch (target) { case EGL_NATIVE_PIXMAP_KHR: return dri2_create_image_khr_pixmap(disp, ctx, buffer, attr_list); default: return dri2_create_image_khr(disp, ctx, target, buffer, attr_list); } } static EGLBoolean dri2_x11_get_sync_values(_EGLDisplay *display, _EGLSurface *surface, EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(display); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface); xcb_dri2_get_msc_cookie_t cookie; xcb_dri2_get_msc_reply_t *reply; cookie = xcb_dri2_get_msc(dri2_dpy->conn, dri2_surf->drawable); reply = xcb_dri2_get_msc_reply(dri2_dpy->conn, cookie, NULL); if (!reply) return _eglError(EGL_BAD_ACCESS, __func__); *ust = ((EGLuint64KHR)reply->ust_hi << 32) | reply->ust_lo; *msc = ((EGLuint64KHR)reply->msc_hi << 32) | reply->msc_lo; *sbc = ((EGLuint64KHR)reply->sbc_hi << 32) | reply->sbc_lo; free(reply); return EGL_TRUE; } #endif static int box_intersection_area(int16_t a_x, int16_t a_y, int16_t a_width, int16_t a_height, int16_t b_x, int16_t b_y, int16_t b_width, int16_t b_height) { int w = MIN2(a_x + a_width, b_x + b_width) - MAX2(a_x, b_x); int h = MIN2(a_y + a_height, b_y + b_height) - MAX2(a_y, b_y); return (w < 0 || h < 0) ? 0 : w * h; } EGLBoolean dri2_x11_get_msc_rate(_EGLDisplay *display, _EGLSurface *surface, EGLint *numerator, EGLint *denominator) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(display); #ifdef HAVE_LIBDRM loader_update_screen_resources(&dri2_dpy->screen_resources); if (dri2_dpy->screen_resources.num_crtcs == 0) { /* If there's no CRTC active, use the present fake vblank of 1Hz */ *numerator = 1; *denominator = 1; return EGL_TRUE; } /* Default to the first CRTC in the list */ *numerator = dri2_dpy->screen_resources.crtcs[0].refresh_numerator; *denominator = dri2_dpy->screen_resources.crtcs[0].refresh_denominator; /* If there's only one active CRTC, we're done */ if (dri2_dpy->screen_resources.num_crtcs == 1) return EGL_TRUE; #else *numerator = 0; *denominator = 1; #endif /* In a multi-monitor setup, look at each CRTC and perform a box * intersection between the CRTC and surface. Use the CRTC whose * box intersection has the largest area. */ if (surface->Type != EGL_WINDOW_BIT) return EGL_TRUE; xcb_window_t window = (uintptr_t)surface->NativeSurface; xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates_unchecked(dri2_dpy->conn, window, dri2_dpy->screen->root, 0, 0); xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply(dri2_dpy->conn, cookie, NULL); if (!reply) { _eglError(EGL_BAD_SURFACE, "eglGetMscRateANGLE failed to translate coordinates"); return EGL_FALSE; } #ifdef HAVE_LIBDRM int area = 0; for (unsigned c = 0; c < dri2_dpy->screen_resources.num_crtcs; c++) { struct loader_crtc_info *crtc = &dri2_dpy->screen_resources.crtcs[c]; int c_area = box_intersection_area( reply->dst_x, reply->dst_y, surface->Width, surface->Height, crtc->x, crtc->y, crtc->width, crtc->height); if (c_area > area) { *numerator = crtc->refresh_numerator; *denominator = crtc->refresh_denominator; area = c_area; } } #endif /* If the window is entirely off-screen, then area will still be 0. * We defaulted to the first CRTC in the list's refresh rate, earlier. */ return EGL_TRUE; } static EGLBoolean dri2_kopper_swap_interval(_EGLDisplay *disp, _EGLSurface *surf, EGLint interval) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); /* This can legitimately be null for lavapipe */ if (dri2_dpy->kopper) kopperSetSwapInterval(dri2_surf->dri_drawable, interval); return EGL_TRUE; } static _EGLSurface * dri2_kopper_create_window_surface(_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_x11_create_surface(disp, EGL_WINDOW_BIT, conf, native_window, attrib_list); if (surf != NULL) { /* When we first create the DRI2 drawable, its swap interval on the * server side is 1. */ surf->SwapInterval = 1; /* Override that with a driconf-set value. */ dri2_kopper_swap_interval(disp, surf, dri2_dpy->default_swap_interval); } return surf; } static EGLint dri2_kopper_query_buffer_age(_EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); /* This can legitimately be null for lavapipe */ if (dri2_dpy->kopper) return kopperQueryBufferAge(dri2_surf->dri_drawable); else return driSWRastQueryBufferAge(dri2_surf->dri_drawable); return 0; } static EGLint dri2_swrast_query_buffer_age(_EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); return driSWRastQueryBufferAge(dri2_surf->dri_drawable); } static const struct dri2_egl_display_vtbl dri2_x11_swrast_display_vtbl = { .authenticate = NULL, .create_window_surface = dri2_x11_create_window_surface, .create_pixmap_surface = dri2_x11_create_pixmap_surface, .create_pbuffer_surface = dri2_x11_create_pbuffer_surface, .destroy_surface = dri2_x11_destroy_surface, .create_image = dri2_create_image_khr, .swap_buffers = dri2_x11_swap_buffers, .swap_buffers_region = dri2_x11_swap_buffers_region, .swap_buffers_with_damage = dri2_x11_swap_buffers_with_damage, .post_sub_buffer = dri2_x11_post_sub_buffer, .copy_buffers = dri2_x11_copy_buffers, .query_buffer_age = dri2_swrast_query_buffer_age, /* XXX: should really implement this since X11 has pixmaps */ .query_surface = dri2_query_surface, .get_msc_rate = dri2_x11_get_msc_rate, .get_dri_drawable = dri2_surface_get_dri_drawable, }; static const struct dri2_egl_display_vtbl dri2_x11_kopper_display_vtbl = { .authenticate = NULL, .create_window_surface = dri2_kopper_create_window_surface, .create_pixmap_surface = dri2_x11_create_pixmap_surface, .create_pbuffer_surface = dri2_x11_create_pbuffer_surface, .destroy_surface = dri2_x11_destroy_surface, .create_image = dri2_create_image_khr, .swap_interval = dri2_kopper_swap_interval, .swap_buffers = dri2_x11_swap_buffers, .swap_buffers_region = dri2_x11_swap_buffers_region, .swap_buffers_with_damage = dri2_x11_kopper_swap_buffers_with_damage, .post_sub_buffer = dri2_x11_post_sub_buffer, .copy_buffers = dri2_x11_copy_buffers, .query_buffer_age = dri2_kopper_query_buffer_age, /* XXX: should really implement this since X11 has pixmaps */ .query_surface = dri2_query_surface, .get_msc_rate = dri2_x11_get_msc_rate, .get_dri_drawable = dri2_surface_get_dri_drawable, }; #ifdef HAVE_X11_DRI2 static const struct dri2_egl_display_vtbl dri2_x11_display_vtbl = { .authenticate = dri2_x11_authenticate, .create_window_surface = dri2_x11_create_window_surface, .create_pixmap_surface = dri2_x11_create_pixmap_surface, .create_pbuffer_surface = dri2_x11_create_pbuffer_surface, .destroy_surface = dri2_x11_destroy_surface, .create_image = dri2_x11_create_image_khr, .swap_interval = dri2_x11_swap_interval, .swap_buffers = dri2_x11_swap_buffers, .swap_buffers_region = dri2_x11_swap_buffers_region, .post_sub_buffer = dri2_x11_post_sub_buffer, .copy_buffers = dri2_x11_copy_buffers, .query_surface = dri2_query_surface, .get_sync_values = dri2_x11_get_sync_values, .get_msc_rate = dri2_x11_get_msc_rate, .get_dri_drawable = dri2_surface_get_dri_drawable, }; #endif static const __DRIswrastLoaderExtension swrast_loader_extension = { .base = {__DRI_SWRAST_LOADER, 1}, .getDrawableInfo = swrastGetDrawableInfo, .putImage = swrastPutImage, .putImage2 = swrastPutImage2, .getImage = swrastGetImage, }; static const __DRIswrastLoaderExtension swrast_loader_shm_extension = { .base = {__DRI_SWRAST_LOADER, 4}, .getDrawableInfo = swrastGetDrawableInfo, .putImage = swrastPutImage, .putImage2 = swrastPutImage2, .putImageShm = swrastPutImageShm, .getImage = swrastGetImage, .getImage2 = swrastGetImage2, .getImageShm = swrastGetImageShm, }; static_assert(sizeof(struct kopper_vk_surface_create_storage) >= sizeof(VkXcbSurfaceCreateInfoKHR), ""); static void kopperSetSurfaceCreateInfo(void *_draw, struct kopper_loader_info *ci) { struct dri2_egl_surface *dri2_surf = _draw; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); VkXcbSurfaceCreateInfoKHR *xcb = (VkXcbSurfaceCreateInfoKHR *)&ci->bos; if (dri2_surf->base.Type != EGL_WINDOW_BIT) return; xcb->sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR; xcb->pNext = NULL; xcb->flags = 0; xcb->connection = dri2_dpy->conn; xcb->window = dri2_surf->drawable; ci->has_alpha = dri2_surf->depth == 32; ci->present_opaque = dri2_surf->base.PresentOpaque; } static const __DRIkopperLoaderExtension kopper_loader_extension = { .base = {__DRI_KOPPER_LOADER, 1}, .SetSurfaceCreateInfo = kopperSetSurfaceCreateInfo, }; static const __DRIextension *kopper_loader_extensions[] = { &swrast_loader_extension.base, &image_lookup_extension.base, &kopper_loader_extension.base, &use_invalidate.base, NULL, }; static const __DRIextension *swrast_loader_extensions[] = { &swrast_loader_extension.base, &image_lookup_extension.base, &kopper_loader_extension.base, NULL, }; static const __DRIextension *swrast_loader_shm_extensions[] = { &swrast_loader_shm_extension.base, &image_lookup_extension.base, &kopper_loader_extension.base, NULL, }; static int dri2_find_screen_for_display(const _EGLDisplay *disp, int fallback_screen) { const EGLAttrib *attr; if (!disp->Options.Attribs) return fallback_screen; for (attr = disp->Options.Attribs; attr[0] != EGL_NONE; attr += 2) { if (attr[0] == EGL_PLATFORM_X11_SCREEN_EXT || attr[0] == EGL_PLATFORM_XCB_SCREEN_EXT) return attr[1]; } return fallback_screen; } static EGLBoolean dri2_get_xcb_connection(_EGLDisplay *disp, struct dri2_egl_display *dri2_dpy) { xcb_screen_iterator_t s; int screen; const char *msg; disp->DriverData = (void *)dri2_dpy; if (disp->PlatformDisplay == NULL) { dri2_dpy->conn = xcb_connect(NULL, &screen); dri2_dpy->own_device = true; screen = dri2_find_screen_for_display(disp, screen); } else if (disp->Platform == _EGL_PLATFORM_X11) { Display *dpy = disp->PlatformDisplay; dri2_dpy->conn = XGetXCBConnection(dpy); screen = DefaultScreen(dpy); } else { /* _EGL_PLATFORM_XCB */ dri2_dpy->conn = disp->PlatformDisplay; screen = dri2_find_screen_for_display(disp, 0); } if (!dri2_dpy->conn || xcb_connection_has_error(dri2_dpy->conn)) { msg = "xcb_connect failed"; goto disconnect; } s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); dri2_dpy->screen = get_xcb_screen(s, screen); if (!dri2_dpy->screen) { msg = "failed to get xcb screen"; goto disconnect; } return EGL_TRUE; disconnect: if (disp->PlatformDisplay == NULL) xcb_disconnect(dri2_dpy->conn); return _eglError(EGL_BAD_ALLOC, msg); } static void dri2_x11_setup_swap_interval(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); int arbitrary_max_interval = 1000; /* default behavior for no SwapBuffers support: no vblank syncing * either. */ dri2_dpy->min_swap_interval = 0; dri2_dpy->max_swap_interval = 0; dri2_dpy->default_swap_interval = 0; if (!dri2_dpy->swap_available) return; /* If we do have swapbuffers, then we can support pretty much any swap * interval. Unless we're kopper, for now. */ if (dri2_dpy->kopper) arbitrary_max_interval = 1; dri2_setup_swap_interval(disp, arbitrary_max_interval); } static bool check_xshm(struct dri2_egl_display *dri2_dpy) { xcb_void_cookie_t cookie; xcb_generic_error_t *error; int ret = true; xcb_query_extension_cookie_t shm_cookie; xcb_query_extension_reply_t *shm_reply; bool has_mit_shm; shm_cookie = xcb_query_extension(dri2_dpy->conn, 7, "MIT-SHM"); shm_reply = xcb_query_extension_reply(dri2_dpy->conn, shm_cookie, NULL); has_mit_shm = shm_reply->present; free(shm_reply); if (!has_mit_shm) return false; cookie = xcb_shm_detach_checked(dri2_dpy->conn, 0); if ((error = xcb_request_check(dri2_dpy->conn, cookie))) { /* BadRequest means we're a remote client. If we were local we'd * expect BadValue since 'info' has an invalid segment name. */ if (error->error_code == BadRequest) ret = false; free(error); } return ret; } static EGLBoolean dri2_x11_check_multibuffers(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); #ifdef HAVE_X11_DRM bool err; dri2_dpy->multibuffers_available = x11_dri3_check_multibuffer(dri2_dpy->conn, &err, &dri2_dpy->explicit_modifiers); if (disp->Options.Zink && !disp->Options.ForceSoftware && !dri2_dpy->multibuffers_available && !dri2_dpy->kopper_without_modifiers) return EGL_FALSE; #endif return EGL_TRUE; } static EGLBoolean dri2_initialize_x11_swrast(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_display_create(); if (!dri2_dpy) return EGL_FALSE; if (!dri2_get_xcb_connection(disp, dri2_dpy)) goto cleanup; /* * Every hardware driver_name is set using strdup. Doing the same in * here will allow is to simply free the memory at dri2_terminate(). */ dri2_dpy->driver_name = strdup(disp->Options.Zink ? "zink" : "swrast"); #ifdef HAVE_LIBDRM if (disp->Options.Zink && !debug_get_bool_option("LIBGL_DRI3_DISABLE", false) && (!disp->Options.Zink || !debug_get_bool_option("LIBGL_KOPPER_DRI2", false))) dri3_x11_connect(dri2_dpy, disp->Options.Zink, disp->Options.ForceSoftware); #endif if (!dri2_load_driver(disp)) goto cleanup; if (disp->Options.Zink && !disp->Options.ForceSoftware) { dri2_dpy->loader_extensions = kopper_loader_extensions; } else if (check_xshm(dri2_dpy)) { dri2_dpy->loader_extensions = swrast_loader_shm_extensions; } else { dri2_dpy->loader_extensions = swrast_loader_extensions; } if (!dri2_x11_check_multibuffers(disp)) goto cleanup; if (!dri2_create_screen(disp)) goto cleanup; if (!dri2_setup_device(disp, disp->Options.ForceSoftware || dri2_dpy->kopper_without_modifiers)) { _eglError(EGL_NOT_INITIALIZED, "DRI2: failed to setup EGLDevice"); goto cleanup; } dri2_setup_screen(disp); if (disp->Options.Zink) { /* kopper */ #ifdef HAVE_WAYLAND_PLATFORM dri2_dpy->device_name = strdup("zink"); #endif dri2_dpy->swap_available = EGL_TRUE; dri2_x11_setup_swap_interval(disp); if (dri2_dpy->fd_render_gpu == dri2_dpy->fd_display_gpu) disp->Extensions.KHR_image_pixmap = EGL_TRUE; disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE; disp->Extensions.CHROMIUM_sync_control = EGL_TRUE; disp->Extensions.EXT_swap_buffers_with_damage = !!dri2_dpy->kopper; #ifdef HAVE_LIBDRM if (dri2_dpy->multibuffers_available) dri2_set_WL_bind_wayland_display(disp); #endif } else { disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE; } disp->Extensions.EXT_buffer_age = EGL_TRUE; disp->Extensions.ANGLE_sync_control_rate = EGL_TRUE; dri2_x11_add_configs_for_visuals(dri2_dpy, disp, !disp->Options.Zink); /* Fill vtbl last to prevent accidentally calling virtual function during * initialization. */ if (disp->Options.Zink) dri2_dpy->vtbl = &dri2_x11_kopper_display_vtbl; else dri2_dpy->vtbl = &dri2_x11_swrast_display_vtbl; return EGL_TRUE; cleanup: dri2_display_destroy(disp); return EGL_FALSE; } #ifdef HAVE_LIBDRM static const __DRIextension *dri3_image_loader_extensions[] = { &dri3_image_loader_extension.base, &image_lookup_extension.base, &use_invalidate.base, &background_callable_extension.base, NULL, }; static enum dri2_egl_driver_fail dri2_initialize_x11_dri3(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_display_create(); enum dri2_egl_driver_fail status = DRI2_EGL_DRIVER_FAILED; if (!dri2_dpy) return DRI2_EGL_DRIVER_FAILED; if (!dri2_get_xcb_connection(disp, dri2_dpy)) goto cleanup; status = dri3_x11_connect(dri2_dpy, disp->Options.Zink, disp->Options.ForceSoftware); if (status != DRI2_EGL_DRIVER_LOADED) goto cleanup; if (!dri2_load_driver(disp)) goto cleanup; dri2_dpy->loader_extensions = dri3_image_loader_extensions; dri2_dpy->swap_available = true; dri2_dpy->invalidate_available = true; if (!dri2_x11_check_multibuffers(disp)) goto cleanup; if (!dri2_create_screen(disp)) goto cleanup; if (!dri2_setup_device(disp, false)) { _eglError(EGL_NOT_INITIALIZED, "DRI2: failed to setup EGLDevice"); goto cleanup; } dri2_setup_screen(disp); dri2_x11_setup_swap_interval(disp); if (dri2_dpy->fd_render_gpu == dri2_dpy->fd_display_gpu) disp->Extensions.KHR_image_pixmap = EGL_TRUE; disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE; disp->Extensions.CHROMIUM_sync_control = EGL_TRUE; disp->Extensions.ANGLE_sync_control_rate = EGL_TRUE; disp->Extensions.EXT_buffer_age = EGL_TRUE; disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE; dri2_set_WL_bind_wayland_display(disp); dri2_x11_add_configs_for_visuals(dri2_dpy, disp, false); loader_init_screen_resources(&dri2_dpy->screen_resources, dri2_dpy->conn, dri2_dpy->screen); /* Fill vtbl last to prevent accidentally calling virtual function during * initialization. */ dri2_dpy->vtbl = &dri3_x11_display_vtbl; _eglLog(_EGL_INFO, "Using DRI3"); return DRI2_EGL_DRIVER_LOADED; cleanup: dri2_display_destroy(disp); return status == DRI2_EGL_DRIVER_PREFER_ZINK ? DRI2_EGL_DRIVER_PREFER_ZINK : DRI2_EGL_DRIVER_FAILED; } #endif #ifdef HAVE_X11_DRI2 static const __DRIdri2LoaderExtension dri2_loader_extension_old = { .base = {__DRI_DRI2_LOADER, 2}, .getBuffers = dri2_x11_get_buffers, .flushFrontBuffer = dri2_x11_flush_front_buffer, .getBuffersWithFormat = NULL, }; static const __DRIdri2LoaderExtension dri2_loader_extension = { .base = {__DRI_DRI2_LOADER, 3}, .getBuffers = dri2_x11_get_buffers, .flushFrontBuffer = dri2_x11_flush_front_buffer, .getBuffersWithFormat = dri2_x11_get_buffers_with_format, }; static const __DRIextension *dri2_loader_extensions_old[] = { &dri2_loader_extension_old.base, &image_lookup_extension.base, &background_callable_extension.base, NULL, }; static const __DRIextension *dri2_loader_extensions[] = { &dri2_loader_extension.base, &image_lookup_extension.base, &use_invalidate.base, &background_callable_extension.base, NULL, }; static EGLBoolean dri2_initialize_x11_dri2(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_display_create(); if (!dri2_dpy) return EGL_FALSE; if (!dri2_get_xcb_connection(disp, dri2_dpy)) goto cleanup; if (!dri2_x11_connect(dri2_dpy)) goto cleanup; if (!dri2_load_driver(disp)) goto cleanup; if (dri2_dpy->dri2_minor >= 1) dri2_dpy->loader_extensions = dri2_loader_extensions; else dri2_dpy->loader_extensions = dri2_loader_extensions_old; dri2_dpy->swap_available = (dri2_dpy->dri2_minor >= 2); dri2_dpy->invalidate_available = (dri2_dpy->dri2_minor >= 3); if (!dri2_x11_check_multibuffers(disp)) goto cleanup; if (!dri2_create_screen(disp)) goto cleanup; if (!dri2_setup_device(disp, false)) { _eglError(EGL_NOT_INITIALIZED, "DRI2: failed to setup EGLDevice"); goto cleanup; } dri2_setup_screen(disp); dri2_x11_setup_swap_interval(disp); disp->Extensions.KHR_image_pixmap = EGL_TRUE; disp->Extensions.NOK_swap_region = EGL_TRUE; disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE; disp->Extensions.NV_post_sub_buffer = EGL_TRUE; disp->Extensions.CHROMIUM_sync_control = EGL_TRUE; disp->Extensions.ANGLE_sync_control_rate = EGL_TRUE; dri2_set_WL_bind_wayland_display(disp); dri2_x11_add_configs_for_visuals(dri2_dpy, disp, true); /* Fill vtbl last to prevent accidentally calling virtual function during * initialization. */ dri2_dpy->vtbl = &dri2_x11_display_vtbl; _eglLog(_EGL_INFO, "Using DRI2"); return EGL_TRUE; cleanup: dri2_display_destroy(disp); return EGL_FALSE; } #endif EGLBoolean dri2_initialize_x11(_EGLDisplay *disp) { enum dri2_egl_driver_fail status = DRI2_EGL_DRIVER_FAILED; if (disp->Options.ForceSoftware || (disp->Options.Zink && !debug_get_bool_option("LIBGL_KOPPER_DISABLE", false))) return dri2_initialize_x11_swrast(disp); #ifdef HAVE_LIBDRM if (!debug_get_bool_option("LIBGL_DRI3_DISABLE", false)) { status = dri2_initialize_x11_dri3(disp); if (status == DRI2_EGL_DRIVER_LOADED) return EGL_TRUE; } #endif #ifdef HAVE_X11_DRI2 if (!debug_get_bool_option("LIBGL_DRI2_DISABLE", false) && status != DRI2_EGL_DRIVER_PREFER_ZINK) if (dri2_initialize_x11_dri2(disp)) return EGL_TRUE; #endif return EGL_FALSE; } void dri2_teardown_x11(struct dri2_egl_display *dri2_dpy) { #ifdef HAVE_LIBDRM if (dri2_dpy->dri2_major >= 3) loader_destroy_screen_resources(&dri2_dpy->screen_resources); #endif if (dri2_dpy->own_device) xcb_disconnect(dri2_dpy->conn); }