diff options
Diffstat (limited to 'src/egl/drivers/dri2/platform_x11.c')
| -rw-r--r-- | src/egl/drivers/dri2/platform_x11.c | 792 |
1 files changed, 792 insertions, 0 deletions
diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c new file mode 100644 index 0000000000..3b2f06e748 --- /dev/null +++ b/src/egl/drivers/dri2/platform_x11.c @@ -0,0 +1,792 @@ +/* + * 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 <krh@bitplanet.net> + */ + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <limits.h> +#include <dlfcn.h> +#include <fcntl.h> +#include <errno.h> +#include <unistd.h> +#include <xf86drm.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include "egl_dri2.h" + +/** + * 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) +{ + 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_screen_iterator_t s; + xcb_generic_error_t *error; + + (void) drv; + + dri2_surf = malloc(sizeof *dri2_surf); + if (!dri2_surf) { + _eglError(EGL_BAD_ALLOC, "dri2_create_surface"); + return NULL; + } + + if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list)) + goto cleanup_surf; + + dri2_surf->region = XCB_NONE; + if (type == EGL_PBUFFER_BIT) { + dri2_surf->drawable = xcb_generate_id(dri2_dpy->conn); + s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); + xcb_create_pixmap(dri2_dpy->conn, conf->BufferSize, + dri2_surf->drawable, s.data->root, + dri2_surf->base.Width, dri2_surf->base.Height); + } else { + dri2_surf->drawable = window; + } + + dri2_surf->dri_drawable = + (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen, + dri2_conf->dri_config, dri2_surf); + if (dri2_surf->dri_drawable == NULL) { + _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable"); + goto cleanup_pixmap; + } + + xcb_dri2_create_drawable (dri2_dpy->conn, dri2_surf->drawable); + + 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 (reply == NULL || error != NULL) { + _eglError(EGL_BAD_ALLOC, "xcb_get_geometry"); + free(error); + goto cleanup_dri_drawable; + } + + dri2_surf->base.Width = reply->width; + dri2_surf->base.Height = reply->height; + free(reply); + } + + return &dri2_surf->base; + + cleanup_dri_drawable: + dri2_dpy->core->destroyDrawable(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->API.CreateWindowSurface(). + */ +static _EGLSurface * +dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, + _EGLConfig *conf, EGLNativeWindowType window, + const EGLint *attrib_list) +{ + return dri2_create_surface(drv, disp, EGL_WINDOW_BIT, conf, + window, attrib_list); +} + +static _EGLSurface * +dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp, + _EGLConfig *conf, EGLNativePixmapType pixmap, + const EGLint *attrib_list) +{ + return dri2_create_surface(drv, disp, EGL_PIXMAP_BIT, conf, + pixmap, attrib_list); +} + +static _EGLSurface * +dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp, + _EGLConfig *conf, const EGLint *attrib_list) +{ + return dri2_create_surface(drv, disp, EGL_PBUFFER_BIT, conf, + XCB_WINDOW_NONE, attrib_list); +} + +static EGLBoolean +dri2_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); + + (void) drv; + + if (!_eglPutSurface(surf)) + return EGL_TRUE; + + (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable); + + xcb_dri2_destroy_drawable (dri2_dpy->conn, dri2_surf->drawable); + + if (surf->Type == EGL_PBUFFER_BIT) + xcb_free_pixmap (dri2_dpy->conn, dri2_surf->drawable); + + free(surf); + + return EGL_TRUE; +} + +/** + * 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_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; + unsigned i; + + dri2_surf->buffer_count = count; + dri2_surf->have_fake_front = 0; + + /* This assumes the DRI2 buffer attachment tokens matches the + * __DRIbuffer tokens. */ + for (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 = 1; + } + + 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_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); + buffers = xcb_dri2_get_buffers_buffers (reply); + if (buffers == NULL) + return NULL; + + *out_count = reply->count; + dri2_surf->base.Width = *width = reply->width; + dri2_surf->base.Height = *height = reply->height; + dri2_process_buffers(dri2_surf, buffers, *out_count); + + free(reply); + + return dri2_surf->buffers; +} + +static __DRIbuffer * +dri2_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_process_buffers(dri2_surf, buffers, *out_count); + + free(reply); + + return dri2_surf->buffers; +} + +static void +dri2_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 char * +dri2_strndup(const char *s, int length) +{ + char *d; + + d = malloc(length + 1); + if (d == NULL) + return NULL; + + memcpy(d, s, length); + d[length] = '\0'; + + return d; +} + +static EGLBoolean +dri2_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; + xcb_screen_iterator_t s; + + xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id); + xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri2_id); + + 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); + + s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); + connect_cookie = xcb_dri2_connect_unchecked (dri2_dpy->conn, + s.data->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_FATAL, "DRI2: failed to query xfixes version"); + free(error); + 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_FATAL, "DRI2: failed to query version"); + free(error); + 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_FATAL, "DRI2: failed to authenticate"); + return EGL_FALSE; + } + + dri2_dpy->device_name = + dri2_strndup(xcb_dri2_connect_device_name (connect), + xcb_dri2_connect_device_name_length (connect)); + + dri2_dpy->driver_name = + dri2_strndup(xcb_dri2_connect_driver_name (connect), + xcb_dri2_connect_driver_name_length (connect)); + + if (dri2_dpy->device_name == NULL || dri2_dpy->driver_name == NULL) { + free(dri2_dpy->device_name); + free(dri2_dpy->driver_name); + free(connect); + return EGL_FALSE; + } + free(connect); + + return EGL_TRUE; +} + +static EGLBoolean +dri2_authenticate(struct dri2_egl_display *dri2_dpy) +{ + xcb_dri2_authenticate_reply_t *authenticate; + xcb_dri2_authenticate_cookie_t authenticate_cookie; + xcb_screen_iterator_t s; + drm_magic_t magic; + + if (drmGetMagic(dri2_dpy->fd, &magic)) { + _eglLog(_EGL_FATAL, "DRI2: failed to get drm magic"); + return EGL_FALSE; + } + + s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); + authenticate_cookie = + xcb_dri2_authenticate_unchecked(dri2_dpy->conn, s.data->root, magic); + authenticate = + xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL); + if (authenticate == NULL || !authenticate->authenticated) { + _eglLog(_EGL_FATAL, "DRI2: failed to authenticate"); + free(authenticate); + return EGL_FALSE; + } + + free(authenticate); + + return EGL_TRUE; +} + +static EGLBoolean +dri2_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy, + _EGLDisplay *disp) +{ + xcb_screen_iterator_t s; + xcb_depth_iterator_t d; + xcb_visualtype_t *visuals; + int i, j, id; + struct dri2_egl_config *conf; + EGLint surface_type; + + s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); + d = xcb_screen_allowed_depths_iterator(s.data); + id = 1; + + surface_type = + EGL_WINDOW_BIT | + EGL_PIXMAP_BIT | + EGL_PBUFFER_BIT | + EGL_SWAP_BEHAVIOR_PRESERVED_BIT; + + while (d.rem > 0) { + EGLBoolean class_added[6] = { 0, }; + + visuals = xcb_depth_visuals(d.data); + for (i = 0; i < xcb_depth_visuals_length(d.data); i++) { + if (class_added[visuals[i]._class]) + continue; + + class_added[visuals[i]._class] = EGL_TRUE; + for (j = 0; dri2_dpy->driver_configs[j]; j++) { + conf = dri2_add_config(disp, dri2_dpy->driver_configs[j], + id++, d.data->depth, surface_type); + if (conf == NULL) + continue; + _eglSetConfigKey(&conf->base, + EGL_NATIVE_VISUAL_ID, visuals[i].visual_id); + _eglSetConfigKey(&conf->base, + EGL_NATIVE_VISUAL_TYPE, visuals[i]._class); + } + } + + xcb_depth_next(&d); + } + + if (!_eglGetArraySize(disp->Configs)) { + _eglLog(_EGL_WARNING, "DRI2: failed to create any config"); + return EGL_FALSE; + } + + return EGL_TRUE; +} + +static EGLBoolean +dri2_copy_region(_EGLDriver *drv, _EGLDisplay *disp, + _EGLSurface *draw, xcb_xfixes_region_t region) +{ + struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); + _EGLContext *ctx; + xcb_dri2_copy_region_cookie_t cookie; + + if (dri2_drv->glFlush) { + ctx = _eglGetCurrentContext(); + if (ctx && ctx->DrawSurface == &dri2_surf->base) + dri2_drv->glFlush(); + } + + (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable); + +#if 0 + /* FIXME: Add support for dri swapbuffers, that'll give us swap + * interval and page flipping (at least for fullscreen windows) as + * well as the page flip event. Unless surface->SwapBehavior is + * EGL_BUFFER_PRESERVED. */ +#if __DRI2_FLUSH_VERSION >= 2 + if (pdraw->psc->f) + (*pdraw->psc->f->flushInvalidate)(pdraw->driDrawable); +#endif +#endif + + if (!dri2_surf->have_fake_front) + return EGL_TRUE; + + cookie = xcb_dri2_copy_region_unchecked(dri2_dpy->conn, + dri2_surf->drawable, + region, + XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT, + XCB_DRI2_ATTACHMENT_BUFFER_FAKE_FRONT_LEFT); + free(xcb_dri2_copy_region_reply(dri2_dpy->conn, cookie, NULL)); + + return EGL_TRUE; +} + +static EGLBoolean +dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) +{ + struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); + + return dri2_copy_region(drv, disp, draw, dri2_surf->region); +} + +static EGLBoolean +dri2_swap_buffers_region(_EGLDriver *drv, _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]; + int i; + + if (numRects > (int)ARRAY_SIZE(rectangles)) + return dri2_copy_region(drv, disp, draw, dri2_surf->region); + + /* FIXME: Invert y here? */ + for (i = 0; i < numRects; i++) { + rectangles[i].x = rects[i * 4]; + rectangles[i].y = rects[i * 4 + 1]; + 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(drv, disp, draw, region); + xcb_xfixes_destroy_region(dri2_dpy->conn, region); + + return ret; +} + +static EGLBoolean +dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, + EGLNativePixmapType 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; + + (void) drv; + + (*dri2_dpy->flush->flush)(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; +} + +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 stride, format; + + (void) ctx; + + drawable = (xcb_drawable_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); + buffers = xcb_dri2_get_buffers_buffers (buffers_reply); + if (buffers == NULL) { + 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); + } + + switch (geometry_reply->depth) { + case 16: + format = __DRI_IMAGE_FORMAT_RGB565; + break; + case 24: + format = __DRI_IMAGE_FORMAT_XRGB8888; + break; + case 32: + format = __DRI_IMAGE_FORMAT_ARGB8888; + break; + default: + _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; + } + + if (!_eglInitImage(&dri2_img->base, disp)) { + free(buffers_reply); + free(geometry_reply); + return EGL_NO_IMAGE_KHR; + } + + stride = buffers[0].pitch / buffers[0].cpp; + dri2_img->dri_image = + dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen, + buffers_reply->width, + buffers_reply->height, + format, + buffers[0].name, + stride, + dri2_img); + + free(buffers_reply); + free(geometry_reply); + + return &dri2_img->base; +} + +static _EGLImage * +dri2_x11_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, + _EGLContext *ctx, EGLenum target, + EGLClientBuffer buffer, const EGLint *attr_list) +{ + (void) drv; + + switch (target) { + case EGL_NATIVE_PIXMAP_KHR: + return dri2_create_image_khr_pixmap(disp, ctx, buffer, attr_list); + default: + return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list); + } +} + +EGLBoolean +dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp) +{ + struct dri2_egl_display *dri2_dpy; + + drv->API.CreateWindowSurface = dri2_create_window_surface; + drv->API.CreatePixmapSurface = dri2_create_pixmap_surface; + drv->API.CreatePbufferSurface = dri2_create_pbuffer_surface; + drv->API.DestroySurface = dri2_destroy_surface; + drv->API.SwapBuffers = dri2_swap_buffers; + drv->API.CopyBuffers = dri2_copy_buffers; + drv->API.CreateImageKHR = dri2_x11_create_image_khr; + drv->API.SwapBuffersRegionNOK = dri2_swap_buffers_region; + + dri2_dpy = malloc(sizeof *dri2_dpy); + if (!dri2_dpy) + return _eglError(EGL_BAD_ALLOC, "eglInitialize"); + + disp->DriverData = (void *) dri2_dpy; + if (disp->PlatformDisplay == NULL) { + dri2_dpy->conn = xcb_connect(0, 0); + } else { + dri2_dpy->conn = XGetXCBConnection((Display *) disp->PlatformDisplay); + } + + if (xcb_connection_has_error(dri2_dpy->conn)) { + _eglLog(_EGL_WARNING, "DRI2: xcb_connect failed"); + goto cleanup_dpy; + } + + if (dri2_dpy->conn) { + if (!dri2_connect(dri2_dpy)) + goto cleanup_conn; + } + + if (!dri2_load_driver(disp)) + goto cleanup_conn; + + dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR); + if (dri2_dpy->fd == -1) { + _eglLog(_EGL_WARNING, + "DRI2: could not open %s (%s)", dri2_dpy->device_name, + strerror(errno)); + goto cleanup_driver; + } + + if (dri2_dpy->conn) { + if (!dri2_authenticate(dri2_dpy)) + goto cleanup_fd; + } + + if (dri2_dpy->dri2_minor >= 1) { + dri2_dpy->loader_extension.base.name = __DRI_DRI2_LOADER; + dri2_dpy->loader_extension.base.version = 3; + dri2_dpy->loader_extension.getBuffers = dri2_get_buffers; + dri2_dpy->loader_extension.flushFrontBuffer = dri2_flush_front_buffer; + dri2_dpy->loader_extension.getBuffersWithFormat = + dri2_get_buffers_with_format; + } else { + dri2_dpy->loader_extension.base.name = __DRI_DRI2_LOADER; + dri2_dpy->loader_extension.base.version = 2; + dri2_dpy->loader_extension.getBuffers = dri2_get_buffers; + dri2_dpy->loader_extension.flushFrontBuffer = dri2_flush_front_buffer; + dri2_dpy->loader_extension.getBuffersWithFormat = NULL; + } + + dri2_dpy->extensions[0] = &dri2_dpy->loader_extension.base; + dri2_dpy->extensions[1] = &image_lookup_extension.base; + dri2_dpy->extensions[2] = NULL; + + if (!dri2_create_screen(disp)) + goto cleanup_fd; + + if (dri2_dpy->conn) { + if (!dri2_add_configs_for_visuals(dri2_dpy, disp)) + goto cleanup_configs; + } + + disp->Extensions.MESA_drm_image = EGL_TRUE; + disp->Extensions.KHR_image_base = EGL_TRUE; + disp->Extensions.KHR_image_pixmap = EGL_TRUE; + disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE; + disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE; + disp->Extensions.NOK_swap_region = EGL_TRUE; + disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE; + + /* we're supporting EGL 1.4 */ + disp->VersionMajor = 1; + disp->VersionMinor = 4; + + return EGL_TRUE; + + cleanup_configs: + _eglCleanupDisplay(disp); + dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); + cleanup_fd: + close(dri2_dpy->fd); + cleanup_driver: + dlclose(dri2_dpy->driver); + cleanup_conn: + if (disp->PlatformDisplay == NULL) + xcb_disconnect(dri2_dpy->conn); + cleanup_dpy: + free(dri2_dpy); + + return EGL_FALSE; +} |