| /* |
| * Mesa 3-D graphics library |
| * Version: 7.8 |
| * |
| * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> |
| * |
| * 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 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. |
| */ |
| |
| #include "egldriver.h" |
| #include "eglcurrent.h" |
| #include "egllog.h" |
| |
| #include "pipe/p_screen.h" |
| #include "util/u_memory.h" |
| #include "util/u_format.h" |
| #include "util/u_string.h" |
| #include "util/u_atomic.h" |
| |
| #include "egl_g3d.h" |
| #include "egl_g3d_api.h" |
| #include "egl_g3d_st.h" |
| #include "egl_g3d_loader.h" |
| #include "native.h" |
| |
| static void |
| egl_g3d_invalid_surface(struct native_display *ndpy, |
| struct native_surface *nsurf, |
| unsigned int seq_num) |
| { |
| /* XXX not thread safe? */ |
| struct egl_g3d_surface *gsurf = egl_g3d_surface(nsurf->user_data); |
| |
| if (gsurf && gsurf->stfbi) |
| p_atomic_inc(&gsurf->stfbi->stamp); |
| } |
| |
| static struct pipe_screen * |
| egl_g3d_new_drm_screen(struct native_display *ndpy, const char *name, int fd) |
| { |
| _EGLDisplay *dpy = (_EGLDisplay *) ndpy->user_data; |
| struct egl_g3d_display *gdpy = egl_g3d_display(dpy); |
| return gdpy->loader->create_drm_screen(name, fd); |
| } |
| |
| static struct pipe_screen * |
| egl_g3d_new_sw_screen(struct native_display *ndpy, struct sw_winsys *ws) |
| { |
| _EGLDisplay *dpy = (_EGLDisplay *) ndpy->user_data; |
| struct egl_g3d_display *gdpy = egl_g3d_display(dpy); |
| return gdpy->loader->create_sw_screen(ws); |
| } |
| |
| static struct pipe_resource * |
| egl_g3d_lookup_egl_image(struct native_display *ndpy, void *egl_image) |
| { |
| _EGLDisplay *dpy = (_EGLDisplay *) ndpy->user_data; |
| struct egl_g3d_display *gdpy = egl_g3d_display(dpy); |
| struct st_egl_image img; |
| struct pipe_resource *resource = NULL; |
| |
| memset(&img, 0, sizeof(img)); |
| if (gdpy->smapi->get_egl_image(gdpy->smapi, egl_image, &img)) |
| resource = img.texture; |
| |
| return resource; |
| } |
| |
| static const struct native_event_handler egl_g3d_native_event_handler = { |
| egl_g3d_invalid_surface, |
| egl_g3d_new_drm_screen, |
| egl_g3d_new_sw_screen, |
| egl_g3d_lookup_egl_image |
| }; |
| |
| /** |
| * Get the native platform. |
| */ |
| static const struct native_platform * |
| egl_g3d_get_platform(_EGLDriver *drv, _EGLPlatformType plat) |
| { |
| struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); |
| |
| if (!gdrv->platforms[plat]) { |
| const char *plat_name = NULL; |
| const struct native_platform *nplat = NULL; |
| |
| switch (plat) { |
| case _EGL_PLATFORM_WINDOWS: |
| plat_name = "Windows"; |
| #ifdef HAVE_GDI_BACKEND |
| nplat = native_get_gdi_platform(&egl_g3d_native_event_handler); |
| #endif |
| break; |
| case _EGL_PLATFORM_X11: |
| plat_name = "X11"; |
| #ifdef HAVE_X11_BACKEND |
| nplat = native_get_x11_platform(&egl_g3d_native_event_handler); |
| #endif |
| break; |
| case _EGL_PLATFORM_WAYLAND: |
| plat_name = "wayland"; |
| #ifdef HAVE_WAYLAND_BACKEND |
| nplat = native_get_wayland_platform(&egl_g3d_native_event_handler); |
| #endif |
| break; |
| case _EGL_PLATFORM_DRM: |
| plat_name = "DRM"; |
| #ifdef HAVE_DRM_BACKEND |
| nplat = native_get_drm_platform(&egl_g3d_native_event_handler); |
| #endif |
| break; |
| case _EGL_PLATFORM_FBDEV: |
| plat_name = "FBDEV"; |
| #ifdef HAVE_FBDEV_BACKEND |
| nplat = native_get_fbdev_platform(&egl_g3d_native_event_handler); |
| #endif |
| break; |
| case _EGL_PLATFORM_NULL: |
| plat_name = "NULL"; |
| #ifdef HAVE_NULL_BACKEND |
| nplat = native_get_null_platform(&egl_g3d_native_event_handler); |
| #endif |
| break; |
| case _EGL_PLATFORM_ANDROID: |
| plat_name = "Android"; |
| #ifdef HAVE_ANDROID_BACKEND |
| nplat = native_get_android_platform(&egl_g3d_native_event_handler); |
| #endif |
| break; |
| default: |
| break; |
| } |
| |
| if (!nplat) |
| _eglLog(_EGL_WARNING, "unsupported platform %s", plat_name); |
| |
| gdrv->platforms[plat] = nplat; |
| } |
| |
| return gdrv->platforms[plat]; |
| } |
| |
| #ifdef EGL_MESA_screen_surface |
| |
| static void |
| egl_g3d_add_screens(_EGLDriver *drv, _EGLDisplay *dpy) |
| { |
| struct egl_g3d_display *gdpy = egl_g3d_display(dpy); |
| const struct native_connector **native_connectors; |
| EGLint num_connectors, i; |
| |
| native_connectors = |
| gdpy->native->modeset->get_connectors(gdpy->native, &num_connectors, NULL); |
| if (!num_connectors) { |
| if (native_connectors) |
| FREE(native_connectors); |
| return; |
| } |
| |
| for (i = 0; i < num_connectors; i++) { |
| const struct native_connector *nconn = native_connectors[i]; |
| struct egl_g3d_screen *gscr; |
| const struct native_mode **native_modes; |
| EGLint num_modes, j; |
| |
| /* TODO support for hotplug */ |
| native_modes = |
| gdpy->native->modeset->get_modes(gdpy->native, nconn, &num_modes); |
| if (!num_modes) { |
| if (native_modes) |
| FREE(native_modes); |
| continue; |
| } |
| |
| gscr = CALLOC_STRUCT(egl_g3d_screen); |
| if (!gscr) { |
| FREE(native_modes); |
| continue; |
| } |
| |
| _eglInitScreen(&gscr->base, dpy, num_modes); |
| for (j = 0; j < gscr->base.NumModes; j++) { |
| const struct native_mode *nmode = native_modes[j]; |
| _EGLMode *mode = &gscr->base.Modes[j]; |
| |
| mode->Width = nmode->width; |
| mode->Height = nmode->height; |
| mode->RefreshRate = nmode->refresh_rate; |
| mode->Optimal = EGL_FALSE; |
| mode->Interlaced = EGL_FALSE; |
| /* no need to strdup() */ |
| mode->Name = nmode->desc; |
| } |
| |
| gscr->native = nconn; |
| gscr->native_modes = native_modes; |
| |
| _eglLinkScreen(&gscr->base); |
| } |
| |
| FREE(native_connectors); |
| } |
| |
| #endif /* EGL_MESA_screen_surface */ |
| |
| /** |
| * Initialize and validate the EGL config attributes. |
| */ |
| static EGLBoolean |
| init_config_attributes(_EGLConfig *conf, const struct native_config *nconf, |
| EGLint api_mask, enum pipe_format depth_stencil_format, |
| EGLint preserve_buffer, EGLint max_swap_interval, |
| EGLBoolean pre_alpha) |
| { |
| uint rgba[4], depth_stencil[2], buffer_size; |
| EGLint surface_type; |
| EGLint i; |
| |
| /* get the color and depth/stencil component sizes */ |
| assert(nconf->color_format != PIPE_FORMAT_NONE); |
| buffer_size = 0; |
| for (i = 0; i < 4; i++) { |
| rgba[i] = util_format_get_component_bits(nconf->color_format, |
| UTIL_FORMAT_COLORSPACE_RGB, i); |
| buffer_size += rgba[i]; |
| } |
| for (i = 0; i < 2; i++) { |
| if (depth_stencil_format != PIPE_FORMAT_NONE) { |
| depth_stencil[i] = |
| util_format_get_component_bits(depth_stencil_format, |
| UTIL_FORMAT_COLORSPACE_ZS, i); |
| } |
| else { |
| depth_stencil[i] = 0; |
| } |
| } |
| |
| surface_type = 0x0; |
| /* pixmap surfaces should be EGL_SINGLE_BUFFER */ |
| if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_FRONT_LEFT)) { |
| if (nconf->pixmap_bit) |
| surface_type |= EGL_PIXMAP_BIT; |
| } |
| /* the others surfaces should be EGL_BACK_BUFFER (or settable) */ |
| if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_BACK_LEFT)) { |
| if (nconf->window_bit) |
| surface_type |= EGL_WINDOW_BIT; |
| #ifdef EGL_MESA_screen_surface |
| if (nconf->scanout_bit) |
| surface_type |= EGL_SCREEN_BIT_MESA; |
| #endif |
| surface_type |= EGL_PBUFFER_BIT; |
| } |
| |
| if (preserve_buffer) |
| surface_type |= EGL_SWAP_BEHAVIOR_PRESERVED_BIT; |
| |
| if (pre_alpha && rgba[3]) { |
| surface_type |= EGL_VG_ALPHA_FORMAT_PRE_BIT; |
| /* st/vega does not support premultiplied alpha yet */ |
| api_mask &= ~EGL_OPENVG_BIT; |
| } |
| |
| conf->Conformant = api_mask; |
| conf->RenderableType = api_mask; |
| |
| conf->RedSize = rgba[0]; |
| conf->GreenSize = rgba[1]; |
| conf->BlueSize = rgba[2]; |
| conf->AlphaSize = rgba[3]; |
| conf->BufferSize = buffer_size; |
| |
| conf->DepthSize = depth_stencil[0]; |
| conf->StencilSize = depth_stencil[1]; |
| |
| /* st/vega will allocate the mask on demand */ |
| if (api_mask & EGL_OPENVG_BIT) |
| conf->AlphaMaskSize = 8; |
| |
| conf->SurfaceType = surface_type; |
| |
| conf->NativeRenderable = EGL_TRUE; |
| if (surface_type & EGL_WINDOW_BIT) { |
| conf->NativeVisualID = nconf->native_visual_id; |
| conf->NativeVisualType = nconf->native_visual_type; |
| } |
| |
| if (surface_type & EGL_PBUFFER_BIT) { |
| conf->BindToTextureRGB = EGL_TRUE; |
| if (rgba[3]) |
| conf->BindToTextureRGBA = EGL_TRUE; |
| |
| conf->MaxPbufferWidth = 4096; |
| conf->MaxPbufferHeight = 4096; |
| conf->MaxPbufferPixels = 4096 * 4096; |
| } |
| |
| conf->Level = nconf->level; |
| |
| if (nconf->transparent_rgb) { |
| conf->TransparentType = EGL_TRANSPARENT_RGB; |
| conf->TransparentRedValue = nconf->transparent_rgb_values[0]; |
| conf->TransparentGreenValue = nconf->transparent_rgb_values[1]; |
| conf->TransparentBlueValue = nconf->transparent_rgb_values[2]; |
| } |
| |
| conf->MinSwapInterval = 0; |
| conf->MaxSwapInterval = max_swap_interval; |
| |
| return _eglValidateConfig(conf, EGL_FALSE); |
| } |
| |
| /** |
| * Initialize an EGL config from the native config. |
| */ |
| static EGLBoolean |
| egl_g3d_init_config(_EGLDriver *drv, _EGLDisplay *dpy, |
| _EGLConfig *conf, const struct native_config *nconf, |
| enum pipe_format depth_stencil_format, |
| int preserve_buffer, int max_swap_interval, |
| int pre_alpha) |
| { |
| struct egl_g3d_config *gconf = egl_g3d_config(conf); |
| EGLint buffer_mask; |
| EGLBoolean valid; |
| |
| buffer_mask = 0x0; |
| if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_FRONT_LEFT)) |
| buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK; |
| if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_BACK_LEFT)) |
| buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK; |
| if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_FRONT_RIGHT)) |
| buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK; |
| if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_BACK_RIGHT)) |
| buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK; |
| |
| gconf->stvis.buffer_mask = buffer_mask; |
| gconf->stvis.color_format = nconf->color_format; |
| gconf->stvis.depth_stencil_format = depth_stencil_format; |
| gconf->stvis.accum_format = PIPE_FORMAT_NONE; |
| gconf->stvis.samples = 0; |
| |
| /* will be overridden per surface */ |
| gconf->stvis.render_buffer = (buffer_mask & ST_ATTACHMENT_BACK_LEFT_MASK) ? |
| ST_ATTACHMENT_BACK_LEFT : ST_ATTACHMENT_FRONT_LEFT; |
| |
| valid = init_config_attributes(&gconf->base, |
| nconf, dpy->ClientAPIs, depth_stencil_format, |
| preserve_buffer, max_swap_interval, pre_alpha); |
| if (!valid) { |
| _eglLog(_EGL_DEBUG, "skip invalid config 0x%x", nconf->native_visual_id); |
| return EGL_FALSE; |
| } |
| |
| gconf->native = nconf; |
| |
| return EGL_TRUE; |
| } |
| |
| /** |
| * Get all interested depth/stencil formats of a display. |
| */ |
| static EGLint |
| egl_g3d_fill_depth_stencil_formats(_EGLDisplay *dpy, |
| enum pipe_format formats[8]) |
| { |
| struct egl_g3d_display *gdpy = egl_g3d_display(dpy); |
| struct pipe_screen *screen = gdpy->native->screen; |
| const EGLint candidates[] = { |
| 1, PIPE_FORMAT_Z16_UNORM, |
| 1, PIPE_FORMAT_Z32_UNORM, |
| 2, PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_S8_UINT_Z24_UNORM, |
| 2, PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM, |
| 0 |
| }; |
| const EGLint *fmt = candidates; |
| EGLint count; |
| |
| count = 0; |
| formats[count++] = PIPE_FORMAT_NONE; |
| |
| while (*fmt) { |
| EGLint i, n = *fmt++; |
| |
| /* pick the first supported format */ |
| for (i = 0; i < n; i++) { |
| if (screen->is_format_supported(screen, fmt[i], |
| PIPE_TEXTURE_2D, 0, PIPE_BIND_DEPTH_STENCIL)) { |
| formats[count++] = fmt[i]; |
| break; |
| } |
| } |
| |
| fmt += n; |
| } |
| |
| return count; |
| } |
| |
| /** |
| * Add configs to display and return the next config ID. |
| */ |
| static EGLint |
| egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id) |
| { |
| struct egl_g3d_display *gdpy = egl_g3d_display(dpy); |
| const struct native_config **native_configs; |
| enum pipe_format depth_stencil_formats[8]; |
| int num_formats, num_configs, i, j; |
| int preserve_buffer, max_swap_interval, premultiplied_alpha; |
| |
| native_configs = gdpy->native->get_configs(gdpy->native, &num_configs); |
| if (!num_configs) { |
| if (native_configs) |
| FREE(native_configs); |
| return id; |
| } |
| |
| preserve_buffer = |
| gdpy->native->get_param(gdpy->native, NATIVE_PARAM_PRESERVE_BUFFER); |
| max_swap_interval = |
| gdpy->native->get_param(gdpy->native, NATIVE_PARAM_MAX_SWAP_INTERVAL); |
| premultiplied_alpha = |
| gdpy->native->get_param(gdpy->native, NATIVE_PARAM_PREMULTIPLIED_ALPHA); |
| |
| num_formats = egl_g3d_fill_depth_stencil_formats(dpy, |
| depth_stencil_formats); |
| |
| for (i = 0; i < num_configs; i++) { |
| for (j = 0; j < num_formats; j++) { |
| struct egl_g3d_config *gconf; |
| |
| gconf = CALLOC_STRUCT(egl_g3d_config); |
| if (gconf) { |
| _eglInitConfig(&gconf->base, dpy, id); |
| if (!egl_g3d_init_config(drv, dpy, &gconf->base, |
| native_configs[i], depth_stencil_formats[j], |
| preserve_buffer, max_swap_interval, |
| premultiplied_alpha)) { |
| FREE(gconf); |
| break; |
| } |
| |
| _eglLinkConfig(&gconf->base); |
| id++; |
| } |
| } |
| } |
| |
| FREE(native_configs); |
| return id; |
| } |
| |
| static void |
| egl_g3d_free_config(void *conf) |
| { |
| struct egl_g3d_config *gconf = egl_g3d_config((_EGLConfig *) conf); |
| FREE(gconf); |
| } |
| |
| static void |
| egl_g3d_free_screen(void *scr) |
| { |
| #ifdef EGL_MESA_screen_surface |
| struct egl_g3d_screen *gscr = egl_g3d_screen((_EGLScreen *) scr); |
| FREE(gscr->native_modes); |
| FREE(gscr); |
| #endif |
| } |
| |
| static EGLBoolean |
| egl_g3d_terminate(_EGLDriver *drv, _EGLDisplay *dpy) |
| { |
| struct egl_g3d_display *gdpy = egl_g3d_display(dpy); |
| |
| _eglReleaseDisplayResources(drv, dpy); |
| |
| if (dpy->Configs) { |
| _eglDestroyArray(dpy->Configs, egl_g3d_free_config); |
| dpy->Configs = NULL; |
| } |
| if (dpy->Screens) { |
| _eglDestroyArray(dpy->Screens, egl_g3d_free_screen); |
| dpy->Screens = NULL; |
| } |
| |
| _eglCleanupDisplay(dpy); |
| |
| if (gdpy->smapi) |
| egl_g3d_destroy_st_manager(gdpy->smapi); |
| |
| if (gdpy->native) |
| gdpy->native->destroy(gdpy->native); |
| |
| FREE(gdpy); |
| dpy->DriverData = NULL; |
| |
| return EGL_TRUE; |
| } |
| |
| static EGLBoolean |
| egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy) |
| { |
| struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); |
| struct egl_g3d_display *gdpy; |
| const struct native_platform *nplat; |
| |
| nplat = egl_g3d_get_platform(drv, dpy->Platform); |
| if (!nplat) |
| return EGL_FALSE; |
| |
| if (dpy->Options.TestOnly) |
| return EGL_TRUE; |
| |
| gdpy = CALLOC_STRUCT(egl_g3d_display); |
| if (!gdpy) { |
| _eglError(EGL_BAD_ALLOC, "eglInitialize"); |
| goto fail; |
| } |
| gdpy->loader = gdrv->loader; |
| dpy->DriverData = gdpy; |
| |
| _eglLog(_EGL_INFO, "use %s for display %p", |
| nplat->name, dpy->PlatformDisplay); |
| gdpy->native = |
| nplat->create_display(dpy->PlatformDisplay, dpy->Options.UseFallback); |
| if (!gdpy->native) { |
| _eglError(EGL_NOT_INITIALIZED, "eglInitialize(no usable display)"); |
| goto fail; |
| } |
| gdpy->native->user_data = (void *) dpy; |
| if (!gdpy->native->init_screen(gdpy->native)) { |
| _eglError(EGL_NOT_INITIALIZED, |
| "eglInitialize(failed to initialize screen)"); |
| goto fail; |
| } |
| |
| if (gdpy->loader->profile_masks[ST_API_OPENGL] & ST_PROFILE_DEFAULT_MASK) |
| dpy->ClientAPIs |= EGL_OPENGL_BIT; |
| if (gdpy->loader->profile_masks[ST_API_OPENGL] & ST_PROFILE_OPENGL_ES1_MASK) |
| dpy->ClientAPIs |= EGL_OPENGL_ES_BIT; |
| if (gdpy->loader->profile_masks[ST_API_OPENGL] & ST_PROFILE_OPENGL_ES2_MASK) |
| dpy->ClientAPIs |= EGL_OPENGL_ES2_BIT; |
| if (gdpy->loader->profile_masks[ST_API_OPENVG] & ST_PROFILE_DEFAULT_MASK) |
| dpy->ClientAPIs |= EGL_OPENVG_BIT; |
| |
| gdpy->smapi = egl_g3d_create_st_manager(dpy); |
| if (!gdpy->smapi) { |
| _eglError(EGL_NOT_INITIALIZED, |
| "eglInitialize(failed to create st manager)"); |
| goto fail; |
| } |
| |
| #ifdef EGL_MESA_screen_surface |
| /* enable MESA_screen_surface before adding (and validating) configs */ |
| if (gdpy->native->modeset) { |
| dpy->Extensions.MESA_screen_surface = EGL_TRUE; |
| egl_g3d_add_screens(drv, dpy); |
| } |
| #endif |
| |
| dpy->Extensions.KHR_image_base = EGL_TRUE; |
| if (gdpy->native->get_param(gdpy->native, NATIVE_PARAM_USE_NATIVE_BUFFER)) |
| dpy->Extensions.KHR_image_pixmap = EGL_TRUE; |
| |
| dpy->Extensions.KHR_reusable_sync = EGL_TRUE; |
| dpy->Extensions.KHR_fence_sync = EGL_TRUE; |
| |
| dpy->Extensions.KHR_surfaceless_context = EGL_TRUE; |
| |
| if (dpy->Platform == _EGL_PLATFORM_DRM) { |
| dpy->Extensions.MESA_drm_display = EGL_TRUE; |
| if (gdpy->native->buffer) |
| dpy->Extensions.MESA_drm_image = EGL_TRUE; |
| } |
| |
| if (dpy->Platform == _EGL_PLATFORM_WAYLAND && gdpy->native->buffer) |
| dpy->Extensions.MESA_drm_image = EGL_TRUE; |
| |
| #ifdef EGL_ANDROID_image_native_buffer |
| if (dpy->Platform == _EGL_PLATFORM_ANDROID && gdpy->native->buffer) |
| dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE; |
| #endif |
| |
| #ifdef EGL_WL_bind_wayland_display |
| if (gdpy->native->wayland_bufmgr) |
| dpy->Extensions.WL_bind_wayland_display = EGL_TRUE; |
| #endif |
| |
| if (gdpy->native->get_param(gdpy->native, NATIVE_PARAM_PRESENT_REGION) && |
| gdpy->native->get_param(gdpy->native, NATIVE_PARAM_PRESERVE_BUFFER)) { |
| #ifdef EGL_NOK_swap_region |
| dpy->Extensions.NOK_swap_region = EGL_TRUE; |
| #endif |
| dpy->Extensions.NV_post_sub_buffer = EGL_TRUE; |
| } |
| |
| if (egl_g3d_add_configs(drv, dpy, 1) == 1) { |
| _eglError(EGL_NOT_INITIALIZED, "eglInitialize(unable to add configs)"); |
| goto fail; |
| } |
| |
| dpy->VersionMajor = 1; |
| dpy->VersionMinor = 4; |
| |
| return EGL_TRUE; |
| |
| fail: |
| if (gdpy) |
| egl_g3d_terminate(drv, dpy); |
| return EGL_FALSE; |
| } |
| |
| static _EGLProc |
| egl_g3d_get_proc_address(_EGLDriver *drv, const char *procname) |
| { |
| struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); |
| struct st_api *stapi = NULL; |
| |
| if (procname && procname[0] == 'v' && procname[1] == 'g') |
| stapi = gdrv->loader->get_st_api(ST_API_OPENVG); |
| else if (procname && procname[0] == 'g' && procname[1] == 'l') |
| stapi = gdrv->loader->get_st_api(ST_API_OPENGL); |
| |
| return (_EGLProc) ((stapi) ? |
| stapi->get_proc_address(stapi, procname) : NULL); |
| } |
| |
| _EGLDriver * |
| egl_g3d_create_driver(const struct egl_g3d_loader *loader) |
| { |
| struct egl_g3d_driver *gdrv; |
| |
| gdrv = CALLOC_STRUCT(egl_g3d_driver); |
| if (!gdrv) |
| return NULL; |
| |
| gdrv->loader = loader; |
| |
| egl_g3d_init_driver_api(&gdrv->base); |
| gdrv->base.API.Initialize = egl_g3d_initialize; |
| gdrv->base.API.Terminate = egl_g3d_terminate; |
| gdrv->base.API.GetProcAddress = egl_g3d_get_proc_address; |
| |
| /* to be filled by the caller */ |
| gdrv->base.Name = NULL; |
| gdrv->base.Unload = NULL; |
| |
| return &gdrv->base; |
| } |
| |
| void |
| egl_g3d_destroy_driver(_EGLDriver *drv) |
| { |
| struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); |
| FREE(gdrv); |
| } |