| /* |
| * Copyright © 2010 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 <GL/gl.h> |
| #include <GL/internal/dri_interface.h> |
| #include <xcb/xcb.h> |
| #include <xcb/dri2.h> |
| #include <xcb/xfixes.h> |
| #include <X11/Xlib-xcb.h> |
| |
| #include <glapi/glapi.h> |
| #include "eglconfig.h" |
| #include "eglcontext.h" |
| #include "egldisplay.h" |
| #include "egldriver.h" |
| #include "eglcurrent.h" |
| #include "egllog.h" |
| #include "eglsurface.h" |
| #include "eglimage.h" |
| |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| |
| struct dri2_egl_driver |
| { |
| _EGLDriver base; |
| |
| void (*glFlush)(void); |
| }; |
| |
| struct dri2_egl_display |
| { |
| xcb_connection_t *conn; |
| int dri2_major; |
| int dri2_minor; |
| __DRIscreen *dri_screen; |
| const __DRIconfig **driver_configs; |
| void *driver; |
| __DRIcoreExtension *core; |
| __DRIdri2Extension *dri2; |
| __DRI2flushExtension *flush; |
| __DRItexBufferExtension *tex_buffer; |
| __DRIimageExtension *image; |
| int fd; |
| |
| char *device_name; |
| char *driver_name; |
| |
| __DRIdri2LoaderExtension loader_extension; |
| __DRIimageLookupExtension image_lookup_extension; |
| const __DRIextension *extensions[3]; |
| }; |
| |
| struct dri2_egl_context |
| { |
| _EGLContext base; |
| __DRIcontext *dri_context; |
| }; |
| |
| struct dri2_egl_surface |
| { |
| _EGLSurface base; |
| __DRIdrawable *dri_drawable; |
| xcb_drawable_t drawable; |
| __DRIbuffer buffers[5]; |
| int buffer_count; |
| xcb_xfixes_region_t region; |
| int have_fake_front; |
| int swap_interval; |
| }; |
| |
| struct dri2_egl_config |
| { |
| _EGLConfig base; |
| const __DRIconfig *dri_config; |
| }; |
| |
| struct dri2_egl_image |
| { |
| _EGLImage base; |
| __DRIimage *dri_image; |
| }; |
| |
| /* standard typecasts */ |
| _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl) |
| _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj) |
| |
| EGLint dri2_to_egl_attribute_map[] = { |
| 0, |
| EGL_BUFFER_SIZE, /* __DRI_ATTRIB_BUFFER_SIZE */ |
| EGL_LEVEL, /* __DRI_ATTRIB_LEVEL */ |
| EGL_RED_SIZE, /* __DRI_ATTRIB_RED_SIZE */ |
| EGL_GREEN_SIZE, /* __DRI_ATTRIB_GREEN_SIZE */ |
| EGL_BLUE_SIZE, /* __DRI_ATTRIB_BLUE_SIZE */ |
| EGL_LUMINANCE_SIZE, /* __DRI_ATTRIB_LUMINANCE_SIZE */ |
| EGL_ALPHA_SIZE, /* __DRI_ATTRIB_ALPHA_SIZE */ |
| 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */ |
| EGL_DEPTH_SIZE, /* __DRI_ATTRIB_DEPTH_SIZE */ |
| EGL_STENCIL_SIZE, /* __DRI_ATTRIB_STENCIL_SIZE */ |
| 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */ |
| 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */ |
| 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */ |
| 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */ |
| EGL_SAMPLE_BUFFERS, /* __DRI_ATTRIB_SAMPLE_BUFFERS */ |
| EGL_SAMPLES, /* __DRI_ATTRIB_SAMPLES */ |
| 0, /* __DRI_ATTRIB_RENDER_TYPE, */ |
| 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */ |
| 0, /* __DRI_ATTRIB_CONFORMANT */ |
| 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */ |
| 0, /* __DRI_ATTRIB_STEREO */ |
| 0, /* __DRI_ATTRIB_AUX_BUFFERS */ |
| 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */ |
| 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */ |
| 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */ |
| 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */ |
| 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */ |
| 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */ |
| 0, /* __DRI_ATTRIB_FLOAT_MODE */ |
| 0, /* __DRI_ATTRIB_RED_MASK */ |
| 0, /* __DRI_ATTRIB_GREEN_MASK */ |
| 0, /* __DRI_ATTRIB_BLUE_MASK */ |
| 0, /* __DRI_ATTRIB_ALPHA_MASK */ |
| EGL_MAX_PBUFFER_WIDTH, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */ |
| EGL_MAX_PBUFFER_HEIGHT, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */ |
| EGL_MAX_PBUFFER_PIXELS, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */ |
| 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */ |
| 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */ |
| 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */ |
| 0, /* __DRI_ATTRIB_SWAP_METHOD */ |
| EGL_MAX_SWAP_INTERVAL, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */ |
| EGL_MIN_SWAP_INTERVAL, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */ |
| 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */ |
| 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */ |
| 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */ |
| 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */ |
| EGL_Y_INVERTED_NOK, /* __DRI_ATTRIB_YINVERTED */ |
| }; |
| |
| static void |
| dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id, |
| int depth, xcb_visualtype_t *visual) |
| { |
| struct dri2_egl_config *conf; |
| struct dri2_egl_display *dri2_dpy; |
| _EGLConfig base; |
| unsigned int attrib, value, double_buffer; |
| EGLint key, bind_to_texture_rgb, bind_to_texture_rgba; |
| int i; |
| |
| dri2_dpy = disp->DriverData; |
| _eglInitConfig(&base, disp, id); |
| |
| i = 0; |
| while (dri2_dpy->core->indexConfigAttrib(dri_config, i++, &attrib, &value)) { |
| switch (attrib) { |
| case __DRI_ATTRIB_RENDER_TYPE: |
| if (value & __DRI_ATTRIB_RGBA_BIT) |
| value = EGL_RGB_BUFFER; |
| else if (value & __DRI_ATTRIB_LUMINANCE_BIT) |
| value = EGL_LUMINANCE_BUFFER; |
| else |
| /* not valid */; |
| _eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value); |
| break; |
| |
| case __DRI_ATTRIB_CONFIG_CAVEAT: |
| if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG) |
| value = EGL_NON_CONFORMANT_CONFIG; |
| else if (value & __DRI_ATTRIB_SLOW_BIT) |
| value = EGL_SLOW_CONFIG; |
| else |
| value = EGL_NONE; |
| _eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value); |
| break; |
| |
| case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB: |
| bind_to_texture_rgb = value; |
| break; |
| |
| case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA: |
| bind_to_texture_rgba = value; |
| break; |
| |
| case __DRI_ATTRIB_DOUBLE_BUFFER: |
| double_buffer = value; |
| break; |
| |
| default: |
| key = dri2_to_egl_attribute_map[attrib]; |
| if (key != 0) |
| _eglSetConfigKey(&base, key, value); |
| break; |
| } |
| } |
| |
| /* In EGL, double buffer or not isn't a config attribute. Pixmaps |
| * surfaces are always single buffered, pbuffer surfaces are always |
| * back buffers and windows can be either, selected by passing an |
| * attribute at window surface construction time. To support this |
| * we ignore all double buffer configs and manipulate the buffer we |
| * return in the getBuffer callback to get the behaviour we want. */ |
| |
| if (double_buffer) |
| return; |
| |
| if (visual != NULL) { |
| if (depth != _eglGetConfigKey(&base, EGL_BUFFER_SIZE)) |
| return; |
| |
| _eglSetConfigKey(&base, EGL_SURFACE_TYPE, |
| EGL_WINDOW_BIT | EGL_PIXMAP_BIT | EGL_PBUFFER_BIT | |
| EGL_SWAP_BEHAVIOR_PRESERVED_BIT); |
| |
| _eglSetConfigKey(&base, EGL_NATIVE_VISUAL_ID, visual->visual_id); |
| _eglSetConfigKey(&base, EGL_NATIVE_VISUAL_TYPE, visual->_class); |
| } else { |
| _eglSetConfigKey(&base, EGL_SURFACE_TYPE, |
| EGL_PIXMAP_BIT | EGL_PBUFFER_BIT); |
| } |
| |
| _eglSetConfigKey(&base, EGL_NATIVE_RENDERABLE, EGL_TRUE); |
| _eglSetConfigKey(&base, EGL_BIND_TO_TEXTURE_RGB, bind_to_texture_rgb); |
| if (_eglGetConfigKey(&base, EGL_ALPHA_SIZE) > 0) |
| _eglSetConfigKey(&base, |
| EGL_BIND_TO_TEXTURE_RGBA, bind_to_texture_rgba); |
| |
| _eglSetConfigKey(&base, EGL_RENDERABLE_TYPE, disp->ClientAPIsMask); |
| _eglSetConfigKey(&base, EGL_CONFORMANT, disp->ClientAPIsMask); |
| |
| if (!_eglValidateConfig(&base, EGL_FALSE)) { |
| _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id); |
| return; |
| } |
| |
| conf = malloc(sizeof *conf); |
| if (conf != NULL) { |
| memcpy(&conf->base, &base, sizeof base); |
| conf->dri_config = dri_config; |
| _eglAddConfig(disp, &conf->base); |
| } |
| } |
| |
| /** |
| * 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; |
| int 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; |
| |
| 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 void |
| dri2_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate) |
| { |
| /* FIXME: Does EGL support front buffer rendering at all? */ |
| |
| #if 0 |
| struct dri2_egl_surface *dri2_surf = loaderPrivate; |
| |
| dri2WaitGL(dri2_surf); |
| #endif |
| } |
| |
| static __DRIimage * |
| dri2_lookup_egl_image(__DRIcontext *context, void *image, void *data) |
| { |
| struct dri2_egl_context *dri2_ctx = data; |
| _EGLDisplay *disp = dri2_ctx->base.Resource.Display; |
| struct dri2_egl_image *dri2_img; |
| _EGLImage *img; |
| |
| img = _eglLookupImage(image, disp); |
| if (img == NULL) { |
| _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image"); |
| return NULL; |
| } |
| |
| dri2_img = dri2_egl_image(image); |
| |
| return dri2_img->dri_image; |
| } |
| |
| 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; |
| |
| 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 const char dri_driver_path[] = DEFAULT_DRIVER_DIR; |
| |
| struct dri2_extension_match { |
| const char *name; |
| int version; |
| int offset; |
| }; |
| |
| static struct dri2_extension_match dri2_driver_extensions[] = { |
| { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) }, |
| { __DRI_DRI2, 1, offsetof(struct dri2_egl_display, dri2) }, |
| { NULL } |
| }; |
| |
| static struct dri2_extension_match dri2_core_extensions[] = { |
| { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) }, |
| { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) }, |
| { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) }, |
| { NULL } |
| }; |
| |
| static EGLBoolean |
| dri2_bind_extensions(struct dri2_egl_display *dri2_dpy, |
| struct dri2_extension_match *matches, |
| const __DRIextension **extensions) |
| { |
| int i, j, ret = EGL_TRUE; |
| void *field; |
| |
| for (i = 0; extensions[i]; i++) { |
| _eglLog(_EGL_DEBUG, "DRI2: found extension `%s'", extensions[i]->name); |
| for (j = 0; matches[j].name; j++) { |
| if (strcmp(extensions[i]->name, matches[j].name) == 0 && |
| extensions[i]->version >= matches[j].version) { |
| field = ((char *) dri2_dpy + matches[j].offset); |
| *(const __DRIextension **) field = extensions[i]; |
| _eglLog(_EGL_INFO, "DRI2: found extension %s version %d", |
| extensions[i]->name, extensions[i]->version); |
| } |
| } |
| } |
| |
| for (j = 0; matches[j].name; j++) { |
| field = ((char *) dri2_dpy + matches[j].offset); |
| if (*(const __DRIextension **) field == NULL) { |
| _eglLog(_EGL_FATAL, "DRI2: did not find extension %s version %d", |
| matches[j].name, matches[j].version); |
| ret = EGL_FALSE; |
| } |
| } |
| |
| return ret; |
| } |
| |
| 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; |
| |
| s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); |
| d = xcb_screen_allowed_depths_iterator(s.data); |
| id = 1; |
| 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++) |
| dri2_add_config(disp, dri2_dpy->driver_configs[j], |
| id++, d.data->depth, &visuals[i]); |
| } |
| |
| 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_load_driver(_EGLDisplay *disp) |
| { |
| struct dri2_egl_display *dri2_dpy = disp->DriverData; |
| const __DRIextension **extensions; |
| char path[PATH_MAX], *search_paths, *p, *next, *end; |
| |
| search_paths = NULL; |
| if (geteuid() == getuid()) { |
| /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */ |
| search_paths = getenv("LIBGL_DRIVERS_PATH"); |
| } |
| if (search_paths == NULL) |
| search_paths = DEFAULT_DRIVER_DIR; |
| |
| dri2_dpy->driver = NULL; |
| end = search_paths + strlen(search_paths); |
| for (p = search_paths; p < end && dri2_dpy->driver == NULL; p = next + 1) { |
| int len; |
| next = strchr(p, ':'); |
| if (next == NULL) |
| next = end; |
| |
| len = next - p; |
| #if GLX_USE_TLS |
| snprintf(path, sizeof path, |
| "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name); |
| dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
| #endif |
| if (dri2_dpy->driver == NULL) { |
| snprintf(path, sizeof path, |
| "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name); |
| dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
| if (dri2_dpy->driver == NULL) |
| _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror()); |
| } |
| } |
| |
| if (dri2_dpy->driver == NULL) { |
| _eglLog(_EGL_WARNING, |
| "DRI2: failed to open any driver (search paths %s)", |
| search_paths); |
| return EGL_FALSE; |
| } |
| |
| _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path); |
| extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS); |
| if (extensions == NULL) { |
| _eglLog(_EGL_WARNING, |
| "DRI2: driver exports no extensions (%s)", dlerror()); |
| dlclose(dri2_dpy->driver); |
| return EGL_FALSE; |
| } |
| |
| if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) { |
| dlclose(dri2_dpy->driver); |
| return EGL_FALSE; |
| } |
| |
| return EGL_TRUE; |
| } |
| |
| |
| /** |
| * Called via eglInitialize(), GLX_drv->API.Initialize(). |
| */ |
| static EGLBoolean |
| dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp, |
| EGLint *major, EGLint *minor) |
| { |
| const __DRIextension **extensions; |
| struct dri2_egl_display *dri2_dpy; |
| unsigned int api_mask; |
| |
| if (disp->Platform != _EGL_PLATFORM_X11) |
| return EGL_FALSE; |
| |
| 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->image_lookup_extension.base.name = __DRI_IMAGE_LOOKUP; |
| dri2_dpy->image_lookup_extension.base.version = 1; |
| dri2_dpy->image_lookup_extension.lookupEGLImage = dri2_lookup_egl_image; |
| |
| dri2_dpy->extensions[0] = &dri2_dpy->loader_extension.base; |
| dri2_dpy->extensions[1] = &dri2_dpy->image_lookup_extension.base; |
| dri2_dpy->extensions[2] = NULL; |
| |
| dri2_dpy->dri_screen = |
| dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd, dri2_dpy->extensions, |
| &dri2_dpy->driver_configs, dri2_dpy); |
| |
| if (dri2_dpy->dri_screen == NULL) { |
| _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen"); |
| goto cleanup_fd; |
| } |
| |
| extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen); |
| if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions)) |
| goto cleanup_dri_screen; |
| |
| if (dri2_dpy->dri2->base.version >= 2) |
| api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen); |
| else |
| api_mask = __DRI_API_OPENGL; |
| |
| disp->ClientAPIsMask = 0; |
| if (api_mask & (1 <<__DRI_API_OPENGL)) |
| disp->ClientAPIsMask |= EGL_OPENGL_BIT; |
| if (api_mask & (1 <<__DRI_API_GLES)) |
| disp->ClientAPIsMask |= EGL_OPENGL_ES_BIT; |
| if (api_mask & (1 << __DRI_API_GLES2)) |
| disp->ClientAPIsMask |= EGL_OPENGL_ES2_BIT; |
| |
| if (dri2_dpy->conn) { |
| if (!dri2_add_configs_for_visuals(dri2_dpy, disp)) |
| goto cleanup_configs; |
| } |
| |
| 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 */ |
| *major = 1; |
| *minor = 4; |
| |
| return EGL_TRUE; |
| |
| cleanup_configs: |
| _eglCleanupDisplay(disp); |
| cleanup_dri_screen: |
| 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; |
| } |
| |
| /** |
| * 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); |
| if (disp->PlatformDisplay == NULL) |
| xcb_disconnect(dri2_dpy->conn); |
| free(dri2_dpy); |
| disp->DriverData = NULL; |
| |
| return EGL_TRUE; |
| } |
| |
| |
| /** |
| * Called via eglCreateContext(), drv->API.CreateContext(). |
| */ |
| static _EGLContext * |
| dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, |
| _EGLContext *share_list, const EGLint *attrib_list) |
| { |
| struct dri2_egl_context *dri2_ctx; |
| struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
| struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list); |
| struct dri2_egl_config *dri2_config = dri2_egl_config(conf); |
| int api; |
| |
| dri2_ctx = malloc(sizeof *dri2_ctx); |
| if (!dri2_ctx) { |
| _eglError(EGL_BAD_ALLOC, "eglCreateContext"); |
| return NULL; |
| } |
| |
| if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list)) |
| goto cleanup; |
| |
| switch (dri2_ctx->base.ClientAPI) { |
| case EGL_OPENGL_ES_API: |
| switch (dri2_ctx->base.ClientVersion) { |
| case 1: |
| api = __DRI_API_GLES; |
| break; |
| case 2: |
| api = __DRI_API_GLES2; |
| break; |
| default: |
| _eglError(EGL_BAD_PARAMETER, "eglCreateContext"); |
| return NULL; |
| } |
| break; |
| case EGL_OPENGL_API: |
| api = __DRI_API_OPENGL; |
| break; |
| default: |
| _eglError(EGL_BAD_PARAMETER, "eglCreateContext"); |
| return NULL; |
| } |
| |
| if (dri2_dpy->dri2->base.version >= 2) { |
| dri2_ctx->dri_context = |
| dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen, |
| api, |
| dri2_config->dri_config, |
| dri2_ctx_shared ? |
| dri2_ctx_shared->dri_context : NULL, |
| dri2_ctx); |
| } else if (api == __DRI_API_OPENGL) { |
| dri2_ctx->dri_context = |
| dri2_dpy->dri2->createNewContext(dri2_dpy->dri_screen, |
| dri2_config->dri_config, |
| dri2_ctx_shared ? |
| dri2_ctx_shared->dri_context : NULL, |
| dri2_ctx); |
| } else { |
| /* fail */ |
| } |
| |
| if (!dri2_ctx->dri_context) |
| goto cleanup; |
| |
| return &dri2_ctx->base; |
| |
| cleanup: |
| free(dri2_ctx); |
| return NULL; |
| } |
| |
| 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); |
| |
| if (_eglIsSurfaceBound(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; |
| } |
| |
| /** |
| * Called via eglMakeCurrent(), drv->API.MakeCurrent(). |
| */ |
| static EGLBoolean |
| dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf, |
| _EGLSurface *rsurf, _EGLContext *ctx) |
| { |
| 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_dsurf = dri2_egl_surface(dsurf); |
| struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf); |
| struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); |
| __DRIdrawable *ddraw, *rdraw; |
| __DRIcontext *cctx; |
| |
| /* bind the new context and return the "orphaned" one */ |
| if (!_eglBindContext(&ctx, &dsurf, &rsurf)) |
| return EGL_FALSE; |
| |
| /* flush before context switch */ |
| if (ctx && dri2_drv->glFlush) |
| dri2_drv->glFlush(); |
| |
| ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL; |
| rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL; |
| cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL; |
| |
| if ((cctx == NULL && ddraw == NULL && rdraw == NULL) || |
| dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) { |
| if (dsurf && !_eglIsSurfaceLinked(dsurf)) |
| dri2_destroy_surface(drv, disp, dsurf); |
| if (rsurf && rsurf != dsurf && !_eglIsSurfaceLinked(dsurf)) |
| dri2_destroy_surface(drv, disp, rsurf); |
| if (ctx != NULL && !_eglIsContextLinked(ctx)) |
| dri2_dpy->core->unbindContext(dri2_egl_context(ctx)->dri_context); |
| |
| return EGL_TRUE; |
| } else { |
| _eglBindContext(&ctx, &dsurf, &rsurf); |
| |
| return EGL_FALSE; |
| } |
| } |
| |
| /** |
| * 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; |
| |
| 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, |
| _eglGetConfigKey(conf, EGL_BUFFER_SIZE), |
| 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_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 > 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; |
| } |
| |
| /* |
| * Called from eglGetProcAddress() via drv->API.GetProcAddress(). |
| */ |
| static _EGLProc |
| dri2_get_proc_address(_EGLDriver *drv, const char *procname) |
| { |
| /* FIXME: Do we need to support lookup of EGL symbols too? */ |
| |
| return (_EGLProc) _glapi_get_proc_address(procname); |
| } |
| |
| static EGLBoolean |
| dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx) |
| { |
| struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
| struct dri2_egl_surface *dri2_surf = dri2_egl_surface(ctx->DrawSurface); |
| |
| /* FIXME: If EGL allows frontbuffer rendering for window surfaces, |
| * we need to copy fake to real here.*/ |
| |
| (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable); |
| |
| return EGL_TRUE; |
| } |
| |
| static EGLBoolean |
| dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine) |
| { |
| if (engine != EGL_CORE_NATIVE_ENGINE) |
| return _eglError(EGL_BAD_PARAMETER, "eglWaitNative"); |
| /* glXWaitX(); */ |
| |
| return EGL_TRUE; |
| } |
| |
| static void |
| dri2_unload(_EGLDriver *drv) |
| { |
| struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); |
| free(dri2_drv); |
| } |
| |
| 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; |
| |
| (*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 EGLBoolean |
| dri2_bind_tex_image(_EGLDriver *drv, |
| _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer) |
| { |
| struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
| struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); |
| struct dri2_egl_context *dri2_ctx; |
| _EGLContext *ctx; |
| GLint format, target; |
| |
| ctx = _eglGetCurrentContext(); |
| dri2_ctx = dri2_egl_context(ctx); |
| |
| if (!_eglBindTexImage(drv, disp, surf, buffer)) |
| return EGL_FALSE; |
| |
| switch (dri2_surf->base.TextureFormat) { |
| case EGL_TEXTURE_RGB: |
| format = __DRI_TEXTURE_FORMAT_RGB; |
| break; |
| case EGL_TEXTURE_RGBA: |
| format = __DRI_TEXTURE_FORMAT_RGBA; |
| break; |
| default: |
| assert(0); |
| } |
| |
| switch (dri2_surf->base.TextureTarget) { |
| case EGL_TEXTURE_2D: |
| target = GL_TEXTURE_2D; |
| break; |
| default: |
| assert(0); |
| } |
| |
| (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context, |
| target, format, |
| dri2_surf->dri_drawable); |
| |
| return EGL_TRUE; |
| } |
| |
| static EGLBoolean |
| dri2_release_tex_image(_EGLDriver *drv, |
| _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer) |
| { |
| 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_context *dri2_ctx = dri2_egl_context(ctx); |
| 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; |
| |
| 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, attr_list)) { |
| 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_ctx->dri_context, |
| 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_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx, |
| EGLClientBuffer buffer, |
| const EGLint *attr_list) |
| { |
| struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
| struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); |
| struct dri2_egl_image *dri2_img; |
| GLuint renderbuffer = (GLuint) buffer; |
| |
| if (renderbuffer == 0) { |
| _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); |
| return EGL_NO_IMAGE_KHR; |
| } |
| |
| dri2_img = malloc(sizeof *dri2_img); |
| if (!dri2_img) { |
| _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr"); |
| return EGL_NO_IMAGE_KHR; |
| } |
| |
| if (!_eglInitImage(&dri2_img->base, disp, attr_list)) |
| return EGL_NO_IMAGE_KHR; |
| |
| dri2_img->dri_image = |
| dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context, |
| renderbuffer, |
| dri2_img); |
| |
| return &dri2_img->base; |
| } |
| |
| static _EGLImage * |
| dri2_create_image_khr(_EGLDriver *drv, _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); |
| case EGL_GL_RENDERBUFFER_KHR: |
| return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list); |
| default: |
| _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); |
| return EGL_NO_IMAGE_KHR; |
| } |
| } |
| |
| static EGLBoolean |
| dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image) |
| { |
| struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
| struct dri2_egl_image *dri2_img = dri2_egl_image(image); |
| |
| dri2_dpy->image->destroyImage(dri2_img->dri_image); |
| free(dri2_img); |
| |
| return EGL_TRUE; |
| } |
| |
| /** |
| * This is the main entrypoint into the driver, called by libEGL. |
| * Create a new _EGLDriver object and init its dispatch table. |
| */ |
| _EGLDriver * |
| _eglMain(const char *args) |
| { |
| struct dri2_egl_driver *dri2_drv; |
| |
| dri2_drv = malloc(sizeof *dri2_drv); |
| if (!dri2_drv) |
| return NULL; |
| |
| memset(dri2_drv, 0, sizeof *dri2_drv); |
| _eglInitDriverFallbacks(&dri2_drv->base); |
| dri2_drv->base.API.Initialize = dri2_initialize; |
| dri2_drv->base.API.Terminate = dri2_terminate; |
| dri2_drv->base.API.CreateContext = dri2_create_context; |
| dri2_drv->base.API.MakeCurrent = dri2_make_current; |
| dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface; |
| dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface; |
| dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface; |
| dri2_drv->base.API.DestroySurface = dri2_destroy_surface; |
| dri2_drv->base.API.SwapBuffers = dri2_swap_buffers; |
| dri2_drv->base.API.GetProcAddress = dri2_get_proc_address; |
| dri2_drv->base.API.WaitClient = dri2_wait_client; |
| dri2_drv->base.API.WaitNative = dri2_wait_native; |
| dri2_drv->base.API.CopyBuffers = dri2_copy_buffers; |
| dri2_drv->base.API.BindTexImage = dri2_bind_tex_image; |
| dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image; |
| dri2_drv->base.API.CreateImageKHR = dri2_create_image_khr; |
| dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr; |
| dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region; |
| |
| dri2_drv->base.Name = "DRI2"; |
| dri2_drv->base.Unload = dri2_unload; |
| |
| dri2_drv->glFlush = |
| (void (*)(void)) dri2_get_proc_address(&dri2_drv->base, "glFlush"); |
| |
| return &dri2_drv->base; |
| } |