/* * 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 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "egl_dri2.h" const __DRIuseInvalidateExtension use_invalidate = { { __DRI_USE_INVALIDATE, 1 } }; 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 */ 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */ }; static EGLBoolean dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria) { if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0) return EGL_FALSE; if (!_eglMatchConfig(conf, criteria)) return EGL_FALSE; return EGL_TRUE; } struct dri2_egl_config * dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id, int depth, EGLint surface_type, const EGLint *attr_list, const unsigned int *rgba_masks) { 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; unsigned int dri_masks[4] = { 0, 0, 0, 0 }; _EGLConfig *matching_config; EGLint num_configs = 0; EGLint config_id; int i; dri2_dpy = disp->DriverData; _eglInitConfig(&base, disp, id); i = 0; double_buffer = 0; bind_to_texture_rgb = 0; bind_to_texture_rgba = 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; case __DRI_ATTRIB_RED_MASK: dri_masks[0] = value; break; case __DRI_ATTRIB_GREEN_MASK: dri_masks[1] = value; break; case __DRI_ATTRIB_BLUE_MASK: dri_masks[2] = value; break; case __DRI_ATTRIB_ALPHA_MASK: dri_masks[3] = value; break; default: key = dri2_to_egl_attribute_map[attrib]; if (key != 0) _eglSetConfigKey(&base, key, value); break; } } if (attr_list) for (i = 0; attr_list[i] != EGL_NONE; i += 2) _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]); if (depth > 0 && depth != base.BufferSize) return NULL; if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks))) return NULL; base.NativeRenderable = EGL_TRUE; base.SurfaceType = surface_type; if (surface_type & (EGL_PBUFFER_BIT | (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) { base.BindToTextureRGB = bind_to_texture_rgb; if (base.AlphaSize > 0) base.BindToTextureRGBA = bind_to_texture_rgba; } base.RenderableType = disp->ClientAPIs; base.Conformant = disp->ClientAPIs; if (!_eglValidateConfig(&base, EGL_FALSE)) { _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id); return NULL; } config_id = base.ConfigID; base.ConfigID = EGL_DONT_CARE; base.SurfaceType = EGL_DONT_CARE; num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1, (_EGLArrayForEach) dri2_match_config, &base); if (num_configs == 1) { conf = (struct dri2_egl_config *) matching_config; if (double_buffer && !conf->dri_double_config) conf->dri_double_config = dri_config; else if (!double_buffer && !conf->dri_single_config) conf->dri_single_config = dri_config; else /* a similar config type is already added (unlikely) => discard */ return NULL; } else if (num_configs == 0) { conf = malloc(sizeof *conf); if (conf == NULL) return NULL; memcpy(&conf->base, &base, sizeof base); if (double_buffer) { conf->dri_double_config = dri_config; conf->dri_single_config = NULL; } else { conf->dri_single_config = dri_config; conf->dri_double_config = NULL; } conf->base.SurfaceType = 0; conf->base.ConfigID = config_id; _eglLinkConfig(&conf->base); } else { assert(0); return NULL; } if (double_buffer) { surface_type &= ~EGL_PIXMAP_BIT; if (dri2_dpy->swap_available) { conf->base.MinSwapInterval = 0; conf->base.MaxSwapInterval = 1000; /* XXX arbitrary value */ } } conf->base.SurfaceType |= surface_type; return conf; } __DRIimage * dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data) { _EGLDisplay *disp = data; struct dri2_egl_image *dri2_img; _EGLImage *img; (void) screen; 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; } const __DRIimageLookupExtension image_lookup_extension = { { __DRI_IMAGE_LOOKUP, 1 }, dri2_lookup_egl_image }; 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, 0, 0 } }; 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, 0, 0 } }; static struct dri2_extension_match swrast_driver_extensions[] = { { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) }, { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) }, { NULL } }; static struct dri2_extension_match swrast_core_extensions[] = { { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) }, { 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 const __DRIextension ** dri2_open_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 %s (search paths %s)", dri2_dpy->driver_name, search_paths); return NULL; } _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 extensions; } EGLBoolean dri2_load_driver(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = disp->DriverData; const __DRIextension **extensions; extensions = dri2_open_driver(disp); if (!extensions) return EGL_FALSE; if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) { dlclose(dri2_dpy->driver); return EGL_FALSE; } return EGL_TRUE; } EGLBoolean dri2_load_driver_swrast(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = disp->DriverData; const __DRIextension **extensions; dri2_dpy->driver_name = "swrast"; extensions = dri2_open_driver(disp); if (!extensions) return EGL_FALSE; if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions)) { dlclose(dri2_dpy->driver); return EGL_FALSE; } return EGL_TRUE; } void dri2_setup_screen(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); unsigned int api_mask; if (dri2_dpy->dri2) { if (dri2_dpy->dri2->base.version >= 2) api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen); else api_mask = 1 << __DRI_API_OPENGL; } else { assert(dri2_dpy->swrast); if (dri2_dpy->swrast->base.version >= 2) api_mask = 1 << __DRI_API_OPENGL | 1 << __DRI_API_GLES | 1 << __DRI_API_GLES2; else api_mask = 1 << __DRI_API_OPENGL; } disp->ClientAPIs = 0; if (api_mask & (1 <<__DRI_API_OPENGL)) disp->ClientAPIs |= EGL_OPENGL_BIT; if (api_mask & (1 <<__DRI_API_GLES)) disp->ClientAPIs |= EGL_OPENGL_ES_BIT; if (api_mask & (1 << __DRI_API_GLES2)) disp->ClientAPIs |= EGL_OPENGL_ES2_BIT; if (dri2_dpy->dri2) { if (dri2_dpy->dri2->base.version >= 2) { disp->Extensions.KHR_surfaceless_gles1 = EGL_TRUE; disp->Extensions.KHR_surfaceless_gles2 = EGL_TRUE; disp->Extensions.KHR_surfaceless_opengl = EGL_TRUE; } } else { assert(dri2_dpy->swrast); if (dri2_dpy->swrast->base.version >= 2) { disp->Extensions.KHR_surfaceless_gles1 = EGL_TRUE; disp->Extensions.KHR_surfaceless_gles2 = EGL_TRUE; disp->Extensions.KHR_surfaceless_opengl = EGL_TRUE; } } if (dri2_dpy->image) { disp->Extensions.MESA_drm_image = EGL_TRUE; disp->Extensions.KHR_image_base = EGL_TRUE; disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE; } } EGLBoolean dri2_create_screen(_EGLDisplay *disp) { const __DRIextension **extensions; struct dri2_egl_display *dri2_dpy; dri2_dpy = disp->DriverData; if (dri2_dpy->dri2) { dri2_dpy->dri_screen = dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd, dri2_dpy->extensions, &dri2_dpy->driver_configs, disp); } else { assert(dri2_dpy->swrast); dri2_dpy->dri_screen = dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions, &dri2_dpy->driver_configs, disp); } if (dri2_dpy->dri_screen == NULL) { _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen"); return EGL_FALSE; } dri2_dpy->own_dri_screen = 1; extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen); if (dri2_dpy->dri2) { if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions)) goto cleanup_dri_screen; } else { assert(dri2_dpy->swrast); if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions)) goto cleanup_dri_screen; } dri2_setup_screen(disp); return EGL_TRUE; cleanup_dri_screen: dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); return EGL_FALSE; } /** * Called via eglInitialize(), GLX_drv->API.Initialize(). */ static EGLBoolean dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp) { /* not until swrast_dri is supported */ if (disp->Options.UseFallback) return EGL_FALSE; switch (disp->Platform) { #ifdef HAVE_X11_PLATFORM case _EGL_PLATFORM_X11: if (disp->Options.TestOnly) return EGL_TRUE; return dri2_initialize_x11(drv, disp); #endif #ifdef HAVE_LIBUDEV #ifdef HAVE_DRM_PLATFORM case _EGL_PLATFORM_DRM: if (disp->Options.TestOnly) return EGL_TRUE; return dri2_initialize_drm(drv, disp); #endif #ifdef HAVE_WAYLAND_PLATFORM case _EGL_PLATFORM_WAYLAND: if (disp->Options.TestOnly) return EGL_TRUE; return dri2_initialize_wayland(drv, disp); #endif #endif #ifdef HAVE_ANDROID_PLATFORM case _EGL_PLATFORM_ANDROID: if (disp->Options.TestOnly) return EGL_TRUE; return dri2_initialize_android(drv, disp); #endif default: 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); if (dri2_dpy->own_dri_screen) dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); if (dri2_dpy->fd) close(dri2_dpy->fd); if (dri2_dpy->driver) dlclose(dri2_dpy->driver); if (dri2_dpy->device_name) free(dri2_dpy->device_name); if (disp->PlatformDisplay == NULL) { switch (disp->Platform) { #ifdef HAVE_X11_PLATFORM case _EGL_PLATFORM_X11: xcb_disconnect(dri2_dpy->conn); break; #endif #ifdef HAVE_DRM_PLATFORM case _EGL_PLATFORM_DRM: if (dri2_dpy->own_device) { gbm_device_destroy(&dri2_dpy->gbm_dri->base.base); } break; #endif default: break; } } 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); const __DRIconfig *dri_config; int api; (void) drv; 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 (conf != NULL) { /* The config chosen here isn't necessarily * used for surfaces later. * A pixmap surface will use the single config. * This opportunity depends on disabling the * doubleBufferMode check in * src/mesa/main/context.c:check_compatible() */ if (dri2_config->dri_double_config) dri_config = dri2_config->dri_double_config; else dri_config = dri2_config->dri_single_config; /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This * makes sure the back buffer will always be used. */ if (conf->SurfaceType & EGL_WINDOW_BIT) dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER; } else dri_config = NULL; if (dri2_dpy->dri2) { if (dri2_dpy->dri2->base.version >= 2) { dri2_ctx->dri_context = dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen, api, 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, dri_config, dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL, dri2_ctx); } else { /* fail */ } } else { assert(dri2_dpy->swrast); if (dri2_dpy->swrast->base.version >= 2) { dri2_ctx->dri_context = dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen, api, 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->core->createNewContext(dri2_dpy->dri_screen, 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; } /** * Called via eglDestroyContext(), drv->API.DestroyContext(). */ static EGLBoolean dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx) { struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (_eglPutContext(ctx)) { dri2_dpy->core->destroyContext(dri2_ctx->dri_context); free(dri2_ctx); } 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); _EGLContext *old_ctx; _EGLSurface *old_dsurf, *old_rsurf; __DRIdrawable *ddraw, *rdraw; __DRIcontext *cctx; /* make new bindings */ if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) return EGL_FALSE; /* flush before context switch */ if (old_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 (old_ctx) { __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context; dri2_dpy->core->unbindContext(old_cctx); } if ((cctx == NULL && ddraw == NULL && rdraw == NULL) || dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) { if (old_dsurf) drv->API.DestroySurface(drv, disp, old_dsurf); if (old_rsurf) drv->API.DestroySurface(drv, disp, old_rsurf); if (old_ctx) drv->API.DestroyContext(drv, disp, old_ctx); return EGL_TRUE; } else { /* undo the previous _eglBindContext */ _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf); assert(&dri2_ctx->base == ctx && &dri2_dsurf->base == dsurf && &dri2_rsurf->base == rsurf); _eglPutSurface(dsurf); _eglPutSurface(rsurf); _eglPutContext(ctx); _eglPutSurface(old_dsurf); _eglPutSurface(old_rsurf); _eglPutContext(old_ctx); return EGL_FALSE; } } /* * Called from eglGetProcAddress() via drv->API.GetProcAddress(). */ static _EGLProc dri2_get_proc_address(_EGLDriver *drv, const char *procname) { struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); return dri2_drv->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); (void) drv; /* 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) { (void) drv; (void) disp; if (engine != EGL_CORE_NATIVE_ENGINE) return _eglError(EGL_BAD_PARAMETER, "eglWaitNative"); /* glXWaitX(); */ 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) { #if __DRI_TEX_BUFFER_VERSION >= 3 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 target; ctx = _eglGetCurrentContext(); dri2_ctx = dri2_egl_context(ctx); if (!_eglReleaseTexImage(drv, disp, surf, buffer)) return EGL_FALSE; switch (dri2_surf->base.TextureTarget) { case EGL_TEXTURE_2D: target = GL_TEXTURE_2D; break; default: assert(0); } if (dri2_dpy->tex_buffer->releaseTexBuffer!=NULL) (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context, target, dri2_surf->dri_drawable); #endif return EGL_TRUE; } 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) (uintptr_t) 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)) { free(dri2_img); 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_drm_name(_EGLDisplay *disp, _EGLContext *ctx, EGLint name, const _EGLImageAttribs *attrs, EGLint format, EGLint pitch) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img; (void) ctx; dri2_img = malloc(sizeof *dri2_img); if (!dri2_img) { _eglError(EGL_BAD_ALLOC, "dri2_create_image_mesa_drm"); return NULL; } if (!_eglInitImage(&dri2_img->base, disp)) { free(dri2_img); return NULL; } dri2_img->dri_image = dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen, attrs->Width, attrs->Height, format, name, pitch, dri2_img); if (dri2_img->dri_image == NULL) { free(dri2_img); _eglError(EGL_BAD_ALLOC, "dri2_create_image_mesa_drm"); return NULL; } return &dri2_img->base; } static _EGLImage * dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx, EGLClientBuffer buffer, const EGLint *attr_list) { EGLint format, name, pitch, err; _EGLImageAttribs attrs; name = (EGLint) (uintptr_t) buffer; err = _eglParseImageAttribList(&attrs, disp, attr_list); if (err != EGL_SUCCESS) return NULL; if (attrs.Width <= 0 || attrs.Height <= 0 || attrs.DRMBufferStrideMESA <= 0) { _eglError(EGL_BAD_PARAMETER, "bad width, height or stride"); return NULL; } switch (attrs.DRMBufferFormatMESA) { case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA: format = __DRI_IMAGE_FORMAT_ARGB8888; pitch = attrs.DRMBufferStrideMESA; break; default: _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr: unsupported pixmap depth"); return NULL; } return dri2_create_image_drm_name (disp, ctx, name, &attrs, format, pitch); } #ifdef HAVE_WAYLAND_PLATFORM static _EGLImage * dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx, EGLClientBuffer _buffer, const EGLint *attr_list) { struct wl_buffer *buffer = (struct wl_buffer *) _buffer; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); __DRIimage *dri_image; _EGLImageAttribs attrs; EGLint format, name, stride, pitch, err; if (!wayland_buffer_is_drm(buffer)) return NULL; dri_image = wayland_drm_buffer_get_buffer(buffer); dri2_dpy->image->queryImage(dri_image, __DRI_IMAGE_ATTRIB_NAME, &name); dri2_dpy->image->queryImage(dri_image, __DRI_IMAGE_ATTRIB_STRIDE, &stride); err = _eglParseImageAttribList(&attrs, disp, attr_list); if (err != EGL_SUCCESS) return NULL; attrs.Width = buffer->width; attrs.Height = buffer->height; switch (wayland_drm_buffer_get_format(buffer)) { case WL_DRM_FORMAT_ARGB8888: format = __DRI_IMAGE_FORMAT_ARGB8888; break; case WL_DRM_FORMAT_XRGB8888: format = __DRI_IMAGE_FORMAT_XRGB8888; break; default: _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr: unsupported wl_buffer format"); return NULL; } pitch = stride / 4; return dri2_create_image_drm_name(disp, ctx, name, &attrs, format, pitch); } #endif _EGLImage * dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list) { (void) drv; switch (target) { case EGL_GL_RENDERBUFFER_KHR: return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list); case EGL_DRM_BUFFER_MESA: return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list); #ifdef HAVE_WAYLAND_PLATFORM case EGL_WAYLAND_BUFFER_WL: return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list); #endif 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); (void) drv; dri2_dpy->image->destroyImage(dri2_img->dri_image); free(dri2_img); return EGL_TRUE; } static _EGLImage * dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, const EGLint *attr_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img; _EGLImageAttribs attrs; unsigned int dri_use, valid_mask; int format; EGLint err = EGL_SUCCESS; (void) drv; dri2_img = malloc(sizeof *dri2_img); if (!dri2_img) { _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } if (!attr_list) { err = EGL_BAD_PARAMETER; goto cleanup_img; } if (!_eglInitImage(&dri2_img->base, disp)) { err = EGL_BAD_PARAMETER; goto cleanup_img; } err = _eglParseImageAttribList(&attrs, disp, attr_list); if (err != EGL_SUCCESS) goto cleanup_img; if (attrs.Width <= 0 || attrs.Height <= 0) { _eglLog(_EGL_WARNING, "bad width or height (%dx%d)", attrs.Width, attrs.Height); goto cleanup_img; } switch (attrs.DRMBufferFormatMESA) { case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA: format = __DRI_IMAGE_FORMAT_ARGB8888; break; default: _eglLog(_EGL_WARNING, "bad image format value 0x%04x", attrs.DRMBufferFormatMESA); goto cleanup_img; } valid_mask = EGL_DRM_BUFFER_USE_SCANOUT_MESA | EGL_DRM_BUFFER_USE_SHARE_MESA | EGL_DRM_BUFFER_USE_CURSOR_MESA; if (attrs.DRMBufferUseMESA & ~valid_mask) { _eglLog(_EGL_WARNING, "bad image use bit 0x%04x", attrs.DRMBufferUseMESA & ~valid_mask); goto cleanup_img; } dri_use = 0; if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA) dri_use |= __DRI_IMAGE_USE_SHARE; if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA) dri_use |= __DRI_IMAGE_USE_SCANOUT; if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA) dri_use |= __DRI_IMAGE_USE_CURSOR; dri2_img->dri_image = dri2_dpy->image->createImage(dri2_dpy->dri_screen, attrs.Width, attrs.Height, format, dri_use, dri2_img); if (dri2_img->dri_image == NULL) { err = EGL_BAD_ALLOC; goto cleanup_img; } return &dri2_img->base; cleanup_img: free(dri2_img); _eglError(err, "dri2_create_drm_image_mesa"); return EGL_NO_IMAGE_KHR; } static EGLBoolean dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img, EGLint *name, EGLint *handle, EGLint *stride) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img = dri2_egl_image(img); (void) drv; if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_NAME, name)) { _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa"); return EGL_FALSE; } if (handle) dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_HANDLE, handle); if (stride) dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_STRIDE, stride); return EGL_TRUE; } #ifdef HAVE_WAYLAND_PLATFORM static void * dri2_wl_reference_buffer(void *user_data, uint32_t name, int32_t width, int32_t height, uint32_t stride, uint32_t format) { _EGLDisplay *disp = user_data; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); __DRIimage *image; int dri_format; switch (format) { case WL_DRM_FORMAT_ARGB8888: dri_format =__DRI_IMAGE_FORMAT_ARGB8888; break; case WL_DRM_FORMAT_XRGB8888: dri_format = __DRI_IMAGE_FORMAT_XRGB8888; break; default: return NULL; } image = dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen, width, height, dri_format, name, stride / 4, NULL); return image; } static void dri2_wl_release_buffer(void *user_data, void *buffer) { _EGLDisplay *disp = user_data; __DRIimage *image = buffer; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); dri2_dpy->image->destroyImage(image); } static struct wayland_drm_callbacks wl_drm_callbacks = { .authenticate = NULL, .reference_buffer = dri2_wl_reference_buffer, .release_buffer = dri2_wl_release_buffer }; static EGLBoolean dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp, struct wl_display *wl_dpy) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); (void) drv; if (dri2_dpy->wl_server_drm) return EGL_FALSE; wl_drm_callbacks.authenticate = (int(*)(void *, uint32_t)) dri2_dpy->authenticate; dri2_dpy->wl_server_drm = wayland_drm_init(wl_dpy, dri2_dpy->device_name, &wl_drm_callbacks, disp); if (!dri2_dpy->wl_server_drm) return EGL_FALSE; return EGL_TRUE; } static EGLBoolean dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp, struct wl_display *wl_dpy) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); (void) drv; if (!dri2_dpy->wl_server_drm) return EGL_FALSE; wayland_drm_uninit(dri2_dpy->wl_server_drm); dri2_dpy->wl_server_drm = NULL; return EGL_TRUE; } #endif static void dri2_unload(_EGLDriver *drv) { struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); if (dri2_drv->handle) dlclose(dri2_drv->handle); free(dri2_drv); } static EGLBoolean dri2_load(_EGLDriver *drv) { struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); #ifdef HAVE_SHARED_GLAPI #ifdef HAVE_ANDROID_PLATFORM const char *libname = "libglapi.so"; #else const char *libname = "libglapi.so.0"; #endif #else /* * Both libGL.so and libglapi.so are glapi providers. There is no way to * tell which one to load. */ const char *libname = NULL; #endif void *handle; /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */ handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL); if (handle) { dri2_drv->get_proc_address = (_EGLProc (*)(const char *)) dlsym(handle, "_glapi_get_proc_address"); if (!dri2_drv->get_proc_address || !libname) { /* no need to keep a reference */ dlclose(handle); handle = NULL; } } /* if glapi is not available, loading DRI drivers will fail */ if (!dri2_drv->get_proc_address) { _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address"); return EGL_FALSE; } dri2_drv->glFlush = (void (*)(void)) dri2_drv->get_proc_address("glFlush"); dri2_drv->handle = handle; 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 * _eglBuiltInDriverDRI2(const char *args) { struct dri2_egl_driver *dri2_drv; (void) args; dri2_drv = malloc(sizeof *dri2_drv); if (!dri2_drv) return NULL; memset(dri2_drv, 0, sizeof *dri2_drv); if (!dri2_load(&dri2_drv->base)) { free(dri2_drv); return NULL; } _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.DestroyContext = dri2_destroy_context; dri2_drv->base.API.MakeCurrent = dri2_make_current; 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.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.CreateDRMImageMESA = dri2_create_drm_image_mesa; dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa; #ifdef HAVE_WAYLAND_PLATFORM dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl; dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl; #endif dri2_drv->base.Name = "DRI2"; dri2_drv->base.Unload = dri2_unload; return &dri2_drv->base; }