/* * 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 #ifdef HAVE_LIBDRM #include #include "drm-uapi/drm_fourcc.h" #endif #include #include #include #include #ifdef HAVE_WAYLAND_PLATFORM #include #include "wayland-drm.h" #include "wayland-drm-client-protocol.h" #include "linux-dmabuf-unstable-v1-client-protocol.h" #endif #ifdef HAVE_X11_PLATFORM #include "X11/Xlibint.h" #endif #include "egldefines.h" #include "egl_dri2.h" #include "GL/mesa_glinterop.h" #include "loader/loader.h" #include "util/libsync.h" #include "util/os_file.h" #include "util/u_atomic.h" #include "util/u_vector.h" #include "mapi/glapi/glapi.h" #include "util/bitscan.h" #include "util/driconf.h" #include "util/u_math.h" #include "ohos_log.h" #define NUM_ATTRIBS 12 static const struct dri2_pbuffer_visual { const char *format_name; unsigned int dri_image_format; int rgba_shifts[4]; unsigned int rgba_sizes[4]; } dri2_pbuffer_visuals[] = { { "ABGR16F", __DRI_IMAGE_FORMAT_ABGR16161616F, { 0, 16, 32, 48 }, { 16, 16, 16, 16 } }, { "XBGR16F", __DRI_IMAGE_FORMAT_XBGR16161616F, { 0, 16, 32, -1 }, { 16, 16, 16, 0 } }, { "A2RGB10", __DRI_IMAGE_FORMAT_ARGB2101010, { 20, 10, 0, 30 }, { 10, 10, 10, 2 } }, { "X2RGB10", __DRI_IMAGE_FORMAT_XRGB2101010, { 20, 10, 0, -1 }, { 10, 10, 10, 0 } }, { "ARGB8888", __DRI_IMAGE_FORMAT_ARGB8888, { 16, 8, 0, 24 }, { 8, 8, 8, 8 } }, { "RGB888", __DRI_IMAGE_FORMAT_XRGB8888, { 16, 8, 0, -1 }, { 8, 8, 8, 0 } }, { "RGB565", __DRI_IMAGE_FORMAT_RGB565, { 11, 5, 0, -1 }, { 5, 6, 5, 0 } }, }; static void dri_set_background_context(void *loaderPrivate) { _EGLContext *ctx = _eglGetCurrentContext(); _EGLThreadInfo *t = _eglGetCurrentThread(); _eglBindContextToThread(ctx, t); } static void dri2_gl_flush() { static void (*glFlush)(void); static mtx_t glFlushMutex = _MTX_INITIALIZER_NP; mtx_lock(&glFlushMutex); if (!glFlush) glFlush = _glapi_get_proc_address("glFlush"); mtx_unlock(&glFlushMutex); /* if glFlush is not available things are horribly broken */ if (!glFlush) { _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point"); return; } glFlush(); } static GLboolean dri_is_thread_safe(void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; UNUSED _EGLDisplay *display = dri2_surf->base.Resource.Display; #ifdef HAVE_X11_PLATFORM Display *xdpy = (Display*)display->PlatformDisplay; /* Check Xlib is running in thread safe mode when running on EGL/X11-xlib * platform * * 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'. * It wll be NULL if XInitThreads wasn't called. */ if (display->Platform == _EGL_PLATFORM_X11 && xdpy && !xdpy->lock_fns) return false; #endif return true; } const __DRIbackgroundCallableExtension background_callable_extension = { .base = { __DRI_BACKGROUND_CALLABLE, 2 }, .setBackgroundContext = dri_set_background_context, .isThreadSafe = dri_is_thread_safe, }; const __DRIuseInvalidateExtension use_invalidate = { .base = { __DRI_USE_INVALIDATE, 1 } }; static void dri2_get_pbuffer_drawable_info(__DRIdrawable * draw, int *x, int *y, int *w, int *h, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; *x = *y = 0; *w = dri2_surf->base.Width; *h = dri2_surf->base.Height; } static int dri2_get_bytes_per_pixel(struct dri2_egl_surface *dri2_surf) { const int depth = dri2_surf->base.Config->BufferSize; return depth ? util_next_power_of_two(depth / 8) : 0; } static void dri2_put_image(__DRIdrawable * draw, int op, int x, int y, int w, int h, char *data, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; const int bpp = dri2_get_bytes_per_pixel(dri2_surf); const int width = dri2_surf->base.Width; const int height = dri2_surf->base.Height; const int dst_stride = width*bpp; const int src_stride = w*bpp; const int x_offset = x*bpp; int copy_width = src_stride; if (!dri2_surf->swrast_device_buffer) dri2_surf->swrast_device_buffer = malloc(height*dst_stride); if (dri2_surf->swrast_device_buffer) { const char *src = data; char *dst = dri2_surf->swrast_device_buffer; dst += x_offset; dst += y*dst_stride; /* Drivers are allowed to submit OOB PutImage requests, so clip here. */ if (copy_width > dst_stride - x_offset) copy_width = dst_stride - x_offset; if (h > height - y) h = height - y; for (; 0 < h; --h) { memcpy(dst, src, copy_width); dst += dst_stride; src += src_stride; } } } static void dri2_get_image(__DRIdrawable * read, int x, int y, int w, int h, char *data, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; const int bpp = dri2_get_bytes_per_pixel(dri2_surf); const int width = dri2_surf->base.Width; const int height = dri2_surf->base.Height; const int src_stride = width*bpp; const int dst_stride = w*bpp; const int x_offset = x*bpp; int copy_width = dst_stride; const char *src = dri2_surf->swrast_device_buffer; char *dst = data; if (!src) { memset(data, 0, copy_width * h); return; } src += x_offset; src += y*src_stride; /* Drivers are allowed to submit OOB GetImage requests, so clip here. */ if (copy_width > src_stride - x_offset) copy_width = src_stride - x_offset; if (h > height - y) h = height - y; for (; 0 < h; --h) { memcpy(dst, src, copy_width); src += src_stride; dst += dst_stride; } } /* HACK: technically we should have swrast_null, instead of these. */ const __DRIswrastLoaderExtension swrast_pbuffer_loader_extension = { .base = { __DRI_SWRAST_LOADER, 1 }, .getDrawableInfo = dri2_get_pbuffer_drawable_info, .putImage = dri2_put_image, .getImage = dri2_get_image, }; static const EGLint dri2_to_egl_attribute_map[__DRI_ATTRIB_MAX] = { [__DRI_ATTRIB_BUFFER_SIZE ] = EGL_BUFFER_SIZE, [__DRI_ATTRIB_LEVEL] = EGL_LEVEL, [__DRI_ATTRIB_LUMINANCE_SIZE] = EGL_LUMINANCE_SIZE, [__DRI_ATTRIB_DEPTH_SIZE] = EGL_DEPTH_SIZE, [__DRI_ATTRIB_STENCIL_SIZE] = EGL_STENCIL_SIZE, [__DRI_ATTRIB_SAMPLE_BUFFERS] = EGL_SAMPLE_BUFFERS, [__DRI_ATTRIB_SAMPLES] = EGL_SAMPLES, [__DRI_ATTRIB_MAX_PBUFFER_WIDTH] = EGL_MAX_PBUFFER_WIDTH, [__DRI_ATTRIB_MAX_PBUFFER_HEIGHT] = EGL_MAX_PBUFFER_HEIGHT, [__DRI_ATTRIB_MAX_PBUFFER_PIXELS] = EGL_MAX_PBUFFER_PIXELS, [__DRI_ATTRIB_MAX_SWAP_INTERVAL] = EGL_MAX_SWAP_INTERVAL, [__DRI_ATTRIB_MIN_SWAP_INTERVAL] = EGL_MIN_SWAP_INTERVAL, [__DRI_ATTRIB_YINVERTED] = EGL_Y_INVERTED_NOK, }; const __DRIconfig * dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type, EGLenum colorspace) { const bool double_buffer = surface_type == EGL_WINDOW_BIT; const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR; return conf->dri_config[double_buffer][srgb]; } 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; } void dri2_get_shifts_and_sizes(const __DRIcoreExtension *core, const __DRIconfig *config, int *shifts, unsigned int *sizes) { unsigned int mask; if (core->getConfigAttrib(config, __DRI_ATTRIB_RED_SHIFT, (unsigned int *)&shifts[0])) { core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SHIFT, (unsigned int *)&shifts[1]); core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SHIFT, (unsigned int *)&shifts[2]); core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SHIFT, (unsigned int *)&shifts[3]); } else { /* Driver isn't exposing shifts, so convert masks to shifts */ core->getConfigAttrib(config, __DRI_ATTRIB_RED_MASK, &mask); shifts[0] = ffs(mask) - 1; core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_MASK, &mask); shifts[1] = ffs(mask) - 1; core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_MASK, &mask); shifts[2] = ffs(mask) - 1; core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_MASK, &mask); shifts[3] = ffs(mask) - 1; } core->getConfigAttrib(config, __DRI_ATTRIB_RED_SIZE, &sizes[0]); core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SIZE, &sizes[1]); core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SIZE, &sizes[2]); core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SIZE, &sizes[3]); } void dri2_get_render_type_float(const __DRIcoreExtension *core, const __DRIconfig *config, bool *is_float) { unsigned int render_type; core->getConfigAttrib(config, __DRI_ATTRIB_RENDER_TYPE, &render_type); *is_float = (render_type & __DRI_ATTRIB_FLOAT_BIT) ? true : false; } unsigned int dri2_image_format_for_pbuffer_config(struct dri2_egl_display *dri2_dpy, const __DRIconfig *config) { int shifts[4]; unsigned int sizes[4]; dri2_get_shifts_and_sizes(dri2_dpy->core, config, shifts, sizes); for (unsigned i = 0; i < ARRAY_SIZE(dri2_pbuffer_visuals); ++i) { const struct dri2_pbuffer_visual *visual = &dri2_pbuffer_visuals[i]; if (shifts[0] == visual->rgba_shifts[0] && shifts[1] == visual->rgba_shifts[1] && shifts[2] == visual->rgba_shifts[2] && shifts[3] == visual->rgba_shifts[3] && sizes[0] == visual->rgba_sizes[0] && sizes[1] == visual->rgba_sizes[1] && sizes[2] == visual->rgba_sizes[2] && sizes[3] == visual->rgba_sizes[3]) { return visual->dri_image_format; } } return __DRI_IMAGE_FORMAT_NONE; } struct dri2_egl_config * dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id, EGLint surface_type, const EGLint *attr_list, const int *rgba_shifts, const unsigned int *rgba_sizes) { struct dri2_egl_config *conf; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); _EGLConfig base; unsigned int attrib, value, double_buffer; bool srgb = false; EGLint key, bind_to_texture_rgb, bind_to_texture_rgba; int dri_shifts[4] = { -1, -1, -1, -1 }; unsigned int dri_sizes[4] = { 0, 0, 0, 0 }; _EGLConfig *matching_config; EGLint num_configs = 0; EGLint config_id; _eglInitConfig(&base, disp, id); double_buffer = 0; bind_to_texture_rgb = 0; bind_to_texture_rgba = 0; for (int i = 0; i < __DRI_ATTRIB_MAX; ++i) { if (!dri2_dpy->core->indexConfigAttrib(dri_config, i, &attrib, &value)) break; switch (attrib) { case __DRI_ATTRIB_RENDER_TYPE: if (value & __DRI_ATTRIB_FLOAT_BIT) base.ComponentType = EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT; if (value & __DRI_ATTRIB_RGBA_BIT) value = EGL_RGB_BUFFER; else if (value & __DRI_ATTRIB_LUMINANCE_BIT) value = EGL_LUMINANCE_BUFFER; else return NULL; base.ColorBufferType = 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; base.ConfigCaveat = 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_SIZE: dri_sizes[0] = value; base.RedSize = value; break; case __DRI_ATTRIB_RED_MASK: dri_shifts[0] = ffs(value) - 1; break; case __DRI_ATTRIB_RED_SHIFT: dri_shifts[0] = value; break; case __DRI_ATTRIB_GREEN_SIZE: dri_sizes[1] = value; base.GreenSize = value; break; case __DRI_ATTRIB_GREEN_MASK: dri_shifts[1] = ffs(value) - 1; break; case __DRI_ATTRIB_GREEN_SHIFT: dri_shifts[1] = value; break; case __DRI_ATTRIB_BLUE_SIZE: dri_sizes[2] = value; base.BlueSize = value; break; case __DRI_ATTRIB_BLUE_MASK: dri_shifts[2] = ffs(value) - 1; break; case __DRI_ATTRIB_BLUE_SHIFT: dri_shifts[2] = value; break; case __DRI_ATTRIB_ALPHA_SIZE: dri_sizes[3] = value; base.AlphaSize = value; break; case __DRI_ATTRIB_ALPHA_MASK: dri_shifts[3] = ffs(value) - 1; break; case __DRI_ATTRIB_ALPHA_SHIFT: dri_shifts[3] = value; break; case __DRI_ATTRIB_ACCUM_RED_SIZE: case __DRI_ATTRIB_ACCUM_GREEN_SIZE: case __DRI_ATTRIB_ACCUM_BLUE_SIZE: case __DRI_ATTRIB_ACCUM_ALPHA_SIZE: /* Don't expose visuals with the accumulation buffer. */ if (value > 0) return NULL; break; case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE: srgb = value != 0; if (!disp->Extensions.KHR_gl_colorspace && srgb) return NULL; break; case __DRI_ATTRIB_MAX_PBUFFER_WIDTH: base.MaxPbufferWidth = _EGL_MAX_PBUFFER_WIDTH; break; case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT: base.MaxPbufferHeight = _EGL_MAX_PBUFFER_HEIGHT; break; case __DRI_ATTRIB_MUTABLE_RENDER_BUFFER: if (disp->Extensions.KHR_mutable_render_buffer) surface_type |= EGL_MUTABLE_RENDER_BUFFER_BIT_KHR; break; default: key = dri2_to_egl_attribute_map[attrib]; if (key != 0) _eglSetConfigKey(&base, key, value); break; } } if (attr_list) for (int i = 0; attr_list[i] != EGL_NONE; i += 2) _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]); if (rgba_shifts && memcmp(rgba_shifts, dri_shifts, sizeof(dri_shifts))) return NULL; if (rgba_sizes && memcmp(rgba_sizes, dri_sizes, sizeof(dri_sizes))) 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; } if (double_buffer) { surface_type &= ~EGL_PIXMAP_BIT; } if (!surface_type) return NULL; base.RenderableType = disp->ClientAPIs; base.Conformant = disp->ClientAPIs; base.MinSwapInterval = dri2_dpy->min_swap_interval; base.MaxSwapInterval = dri2_dpy->max_swap_interval; 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 (!conf->dri_config[double_buffer][srgb]) conf->dri_config[double_buffer][srgb] = dri_config; else /* a similar config type is already added (unlikely) => discard */ return NULL; } else if (num_configs == 0) { conf = calloc(1, sizeof *conf); if (conf == NULL) return NULL; conf->dri_config[double_buffer][srgb] = dri_config; memcpy(&conf->base, &base, sizeof base); conf->base.SurfaceType = 0; conf->base.ConfigID = config_id; _eglLinkConfig(&conf->base); } else { unreachable("duplicates should not be possible"); return NULL; } conf->base.SurfaceType |= surface_type; return conf; } EGLBoolean dri2_add_pbuffer_configs_for_visuals(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); unsigned int format_count[ARRAY_SIZE(dri2_pbuffer_visuals)] = { 0 }; unsigned int config_count = 0; for (unsigned i = 0; dri2_dpy->driver_configs[i] != NULL; i++) { for (unsigned j = 0; j < ARRAY_SIZE(dri2_pbuffer_visuals); j++) { struct dri2_egl_config *dri2_conf; dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i], config_count + 1, EGL_PBUFFER_BIT, NULL, dri2_pbuffer_visuals[j].rgba_shifts, dri2_pbuffer_visuals[j].rgba_sizes); if (dri2_conf) { if (dri2_conf->base.ConfigID == config_count + 1) config_count++; format_count[j]++; } } } for (unsigned i = 0; i < ARRAY_SIZE(format_count); i++) { if (!format_count[i]) { _eglLog(_EGL_DEBUG, "No DRI config supports native format %s", dri2_pbuffer_visuals[i].format_name); } } return (config_count != 0); } GLboolean dri2_validate_egl_image(void *image, void *data) { _EGLDisplay *disp = data; _EGLImage *img; mtx_lock(&disp->Mutex); img = _eglLookupImage(image, disp); mtx_unlock(&disp->Mutex); if (img == NULL) { _eglError(EGL_BAD_PARAMETER, "dri2_validate_egl_image"); return false; } return true; } __DRIimage * dri2_lookup_egl_image_validated(void *image, void *data) { struct dri2_egl_image *dri2_img; (void)data; dri2_img = dri2_egl_image(image); return dri2_img->dri_image; } __DRIimage * dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data) { (void) screen; if (!dri2_validate_egl_image(image, data)) return NULL; return dri2_lookup_egl_image_validated(image, data); } const __DRIimageLookupExtension image_lookup_extension = { .base = { __DRI_IMAGE_LOOKUP, 2 }, .lookupEGLImage = dri2_lookup_egl_image, .validateEGLImage = dri2_validate_egl_image, .lookupEGLImageValidated = dri2_lookup_egl_image_validated, }; struct dri2_extension_match { const char *name; int version; int offset; }; static const struct dri2_extension_match dri3_driver_extensions[] = { { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) }, { __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) }, { NULL, 0, 0 } }; static const struct dri2_extension_match dri2_driver_extensions[] = { { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) }, { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) }, { NULL, 0, 0 } }; static const 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 const 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, 0, 0 } }; static const struct dri2_extension_match swrast_core_extensions[] = { { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) }, { NULL, 0, 0 } }; static const struct dri2_extension_match optional_driver_extensions[] = { { __DRI_CONFIG_OPTIONS, 1, offsetof(struct dri2_egl_display, configOptions) }, { NULL, 0, 0 } }; static const struct dri2_extension_match optional_core_extensions[] = { { __DRI2_ROBUSTNESS, 1, offsetof(struct dri2_egl_display, robustness) }, { __DRI2_CONFIG_QUERY, 1, offsetof(struct dri2_egl_display, config) }, { __DRI2_FENCE, 1, offsetof(struct dri2_egl_display, fence) }, { __DRI2_BUFFER_DAMAGE, 1, offsetof(struct dri2_egl_display, buffer_damage) }, { __DRI2_RENDERER_QUERY, 1, offsetof(struct dri2_egl_display, rendererQuery) }, { __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) }, { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) }, { __DRI2_FLUSH_CONTROL, 1, offsetof(struct dri2_egl_display, flush_control) }, { __DRI2_BLOB, 1, offsetof(struct dri2_egl_display, blob) }, { __DRI_MUTABLE_RENDER_BUFFER_DRIVER, 1, offsetof(struct dri2_egl_display, mutable_render_buffer) }, { __DRI_KOPPER, 1, offsetof(struct dri2_egl_display, kopper) }, { NULL, 0, 0 } }; static EGLBoolean dri2_bind_extensions(struct dri2_egl_display *dri2_dpy, const struct dri2_extension_match *matches, const __DRIextension **extensions, bool optional) { int ret = EGL_TRUE; void *field; for (int i = 0; extensions[i]; i++) { _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name); for (int 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, "found extension %s version %d", extensions[i]->name, extensions[i]->version); break; } } } for (int j = 0; matches[j].name; j++) { field = ((char *) dri2_dpy + matches[j].offset); if (*(const __DRIextension **) field == NULL) { if (optional) { _eglLog(_EGL_DEBUG, "did not find optional extension %s version %d", matches[j].name, matches[j].version); } else { _eglLog(_EGL_WARNING, "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 = dri2_egl_display(disp); static const char *search_path_vars[] = { "LIBGL_DRIVERS_PATH", NULL, }; return loader_open_driver(dri2_dpy->driver_name, &dri2_dpy->driver, search_path_vars); } static EGLBoolean dri2_load_driver_common(_EGLDisplay *disp, const struct dri2_extension_match *driver_extensions) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); const __DRIextension **extensions; extensions = dri2_open_driver(disp); if (!extensions) return EGL_FALSE; if (!dri2_bind_extensions(dri2_dpy, driver_extensions, extensions, false)) { dlclose(dri2_dpy->driver); dri2_dpy->driver = NULL; return EGL_FALSE; } dri2_dpy->driver_extensions = extensions; dri2_bind_extensions(dri2_dpy, optional_driver_extensions, extensions, true); return EGL_TRUE; } EGLBoolean dri2_load_driver(_EGLDisplay *disp) { return dri2_load_driver_common(disp, dri2_driver_extensions); } EGLBoolean dri2_load_driver_dri3(_EGLDisplay *disp) { return dri2_load_driver_common(disp, dri3_driver_extensions); } EGLBoolean dri2_load_driver_swrast(_EGLDisplay *disp) { return dri2_load_driver_common(disp, swrast_driver_extensions); } static unsigned dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param) { const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery; unsigned int value = 0; if (!rendererQuery || rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1) return 0; return value; } static const char * dri2_query_driver_name(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); return dri2_dpy->driver_name; } static char * dri2_query_driver_config(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); const __DRIconfigOptionsExtension *ext = dri2_dpy->configOptions; if (ext->base.version >= 2) return ext->getXml(dri2_dpy->driver_name); return strdup(ext->xml); } void dri2_setup_screen(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); unsigned int api_mask; /* * EGL 1.5 specification defines the default value to 1. Moreover, * eglSwapInterval() is required to clamp requested value to the supported * range. Since the default value is implicitly assumed to be supported, * use it as both minimum and maximum for the platforms that do not allow * changing the interval. Platforms, which allow it (e.g. x11, wayland) * override these values already. */ dri2_dpy->min_swap_interval = 1; dri2_dpy->max_swap_interval = 1; dri2_dpy->default_swap_interval = 1; if (dri2_dpy->image_driver) { api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen); } else if (dri2_dpy->dri2) { api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen); } else { assert(dri2_dpy->swrast); api_mask = 1 << __DRI_API_OPENGL | 1 << __DRI_API_GLES | 1 << __DRI_API_GLES2 | 1 << __DRI_API_GLES3; } disp->ClientAPIs = 0; if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API)) disp->ClientAPIs |= EGL_OPENGL_BIT; if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API)) disp->ClientAPIs |= EGL_OPENGL_ES_BIT; if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API)) disp->ClientAPIs |= EGL_OPENGL_ES2_BIT; if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API)) disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR; assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast); disp->Extensions.KHR_no_config_context = EGL_TRUE; disp->Extensions.KHR_surfaceless_context = EGL_TRUE; if (dri2_dpy->configOptions) { disp->Extensions.MESA_query_driver = EGL_TRUE; } /* Report back to EGL the bitmask of priorities supported */ disp->Extensions.IMG_context_priority = dri2_renderer_query_integer(dri2_dpy, __DRI2_RENDERER_HAS_CONTEXT_PRIORITY); disp->Extensions.EXT_pixel_format_float = EGL_TRUE; if (dri2_renderer_query_integer(dri2_dpy, __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB)) disp->Extensions.KHR_gl_colorspace = EGL_TRUE; if (dri2_dpy->image_driver || (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) || (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) { disp->Extensions.KHR_create_context = EGL_TRUE; if (dri2_dpy->robustness) disp->Extensions.EXT_create_context_robustness = EGL_TRUE; } if (dri2_renderer_query_integer(dri2_dpy, __DRI2_RENDERER_HAS_NO_ERROR_CONTEXT)) disp->Extensions.KHR_create_context_no_error = EGL_TRUE; if (dri2_dpy->fence) { disp->Extensions.KHR_fence_sync = EGL_TRUE; disp->Extensions.KHR_wait_sync = EGL_TRUE; if (dri2_dpy->fence->get_fence_from_cl_event) disp->Extensions.KHR_cl_event2 = EGL_TRUE; if (dri2_dpy->fence->base.version >= 2 && dri2_dpy->fence->get_capabilities) { unsigned capabilities = dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen); disp->Extensions.ANDROID_native_fence_sync = (capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0; } } if (dri2_dpy->blob) disp->Extensions.ANDROID_blob_cache = EGL_TRUE; disp->Extensions.KHR_reusable_sync = EGL_TRUE; if (dri2_dpy->image) { if (dri2_dpy->image->base.version >= 10 && dri2_dpy->image->getCapabilities != NULL) { int capabilities; capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen); disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0; if (dri2_dpy->image->base.version >= 11) disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE; } else { disp->Extensions.MESA_drm_image = EGL_TRUE; if (dri2_dpy->image->base.version >= 11) disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE; } disp->Extensions.KHR_image_base = EGL_TRUE; disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE; if (dri2_dpy->image->base.version >= 5 && dri2_dpy->image->createImageFromTexture) { disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE; disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE; if (dri2_renderer_query_integer(dri2_dpy, __DRI2_RENDERER_HAS_TEXTURE_3D)) disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE; } #ifdef HAVE_LIBDRM if (dri2_dpy->image->base.version >= 8 && dri2_dpy->image->createImageFromDmaBufs) { disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE; disp->Extensions.EXT_image_dma_buf_import_modifiers = EGL_TRUE; } #endif } if (dri2_dpy->flush_control) disp->Extensions.KHR_context_flush_control = EGL_TRUE; if (dri2_dpy->buffer_damage && dri2_dpy->buffer_damage->set_damage_region) disp->Extensions.KHR_partial_update = EGL_TRUE; disp->Extensions.EXT_protected_surface = dri2_renderer_query_integer(dri2_dpy, __DRI2_RENDERER_HAS_PROTECTED_CONTENT); } void dri2_setup_swap_interval(_EGLDisplay *disp, int max_swap_interval) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1; /* Allow driconf to override applications.*/ if (dri2_dpy->config) dri2_dpy->config->configQueryi(dri2_dpy->dri_screen, "vblank_mode", &vblank_mode); switch (vblank_mode) { case DRI_CONF_VBLANK_NEVER: dri2_dpy->min_swap_interval = 0; dri2_dpy->max_swap_interval = 0; dri2_dpy->default_swap_interval = 0; break; case DRI_CONF_VBLANK_ALWAYS_SYNC: dri2_dpy->min_swap_interval = 1; dri2_dpy->max_swap_interval = max_swap_interval; dri2_dpy->default_swap_interval = 1; break; case DRI_CONF_VBLANK_DEF_INTERVAL_0: dri2_dpy->min_swap_interval = 0; dri2_dpy->max_swap_interval = max_swap_interval; dri2_dpy->default_swap_interval = 0; break; default: case DRI_CONF_VBLANK_DEF_INTERVAL_1: dri2_dpy->min_swap_interval = 0; dri2_dpy->max_swap_interval = max_swap_interval; dri2_dpy->default_swap_interval = 1; break; } } /* All platforms but DRM call this function to create the screen and populate * the driver_configs. DRM inherits that information from its display - GBM. */ EGLBoolean dri2_create_screen(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (dri2_dpy->image_driver) { dri2_dpy->dri_screen = dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd, dri2_dpy->loader_extensions, dri2_dpy->driver_extensions, &dri2_dpy->driver_configs, disp); } else if (dri2_dpy->dri2) { if (dri2_dpy->dri2->base.version >= 4) { dri2_dpy->dri_screen = dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd, dri2_dpy->loader_extensions, dri2_dpy->driver_extensions, &dri2_dpy->driver_configs, disp); } else { dri2_dpy->dri_screen = dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd, dri2_dpy->loader_extensions, &dri2_dpy->driver_configs, disp); } } else { assert(dri2_dpy->swrast); if (dri2_dpy->swrast->base.version >= 4) { dri2_dpy->dri_screen = dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions, dri2_dpy->driver_extensions, &dri2_dpy->driver_configs, disp); } else { dri2_dpy->dri_screen = dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions, &dri2_dpy->driver_configs, disp); } } if (dri2_dpy->dri_screen == NULL) { _eglLog(_EGL_WARNING, "egl: failed to create dri2 screen"); return EGL_FALSE; } dri2_dpy->own_dri_screen = true; return EGL_TRUE; } EGLBoolean dri2_setup_extensions(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); const struct dri2_extension_match *mandatory_core_extensions; const __DRIextension **extensions; extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen); if (dri2_dpy->image_driver || dri2_dpy->dri2) mandatory_core_extensions = dri2_core_extensions; else mandatory_core_extensions = swrast_core_extensions; if (!dri2_bind_extensions(dri2_dpy, mandatory_core_extensions, extensions, false)) return EGL_FALSE; #ifdef HAVE_DRI3_MODIFIERS dri2_dpy->multibuffers_available = (dri2_dpy->dri3_major_version > 1 || (dri2_dpy->dri3_major_version == 1 && dri2_dpy->dri3_minor_version >= 2)) && (dri2_dpy->present_major_version > 1 || (dri2_dpy->present_major_version == 1 && dri2_dpy->present_minor_version >= 2)) && (dri2_dpy->image && dri2_dpy->image->base.version >= 15); #endif dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true); return EGL_TRUE; } /** * Called via eglInitialize(), drv->Initialize(). * * This must be guaranteed to be called exactly once, even if eglInitialize is * called many times (without a eglTerminate in between). */ static EGLBoolean dri2_initialize(_EGLDisplay *disp) { EGLBoolean ret = EGL_FALSE; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); /* In the case where the application calls eglMakeCurrent(context1), * eglTerminate, then eglInitialize again (without a call to eglReleaseThread * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still * initialized, as we need it to be able to free context1 correctly. * * It would probably be safest to forcibly release the display with * dri2_display_release, to make sure the display is reinitialized correctly. * However, the EGL spec states that we need to keep a reference to the * current context (so we cannot call dri2_make_current(NULL)), and therefore * we would leak context1 as we would be missing the old display connection * to free it up correctly. */ if (dri2_dpy) { dri2_dpy->ref_count++; return EGL_TRUE; } loader_set_logger(_eglLog); switch (disp->Platform) { case _EGL_PLATFORM_SURFACELESS: ret = dri2_initialize_surfaceless(disp); break; case _EGL_PLATFORM_DEVICE: ret = dri2_initialize_device(disp); break; case _EGL_PLATFORM_X11: case _EGL_PLATFORM_XCB: ret = dri2_initialize_x11(disp); break; case _EGL_PLATFORM_DRM: ret = dri2_initialize_drm(disp); break; case _EGL_PLATFORM_WAYLAND: ret = dri2_initialize_wayland(disp); break; case _EGL_PLATFORM_ANDROID: ret = dri2_initialize_android(disp); break; case _EGL_PLATFORM_OHOS: // NEED add openharmony init for dri2 ret = dri2_initialize_ohos(disp); break; default: unreachable("Callers ensure we cannot get here."); return EGL_FALSE; } if (!ret) return EGL_FALSE; dri2_dpy = dri2_egl_display(disp); dri2_dpy->ref_count++; return EGL_TRUE; } /** * Decrement display reference count, and free up display if necessary. */ static void dri2_display_release(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy; if (!disp) return; dri2_dpy = dri2_egl_display(disp); assert(dri2_dpy->ref_count > 0); dri2_dpy->ref_count--; if (dri2_dpy->ref_count > 0) return; _eglCleanupDisplay(disp); dri2_display_destroy(disp); } void dri2_display_destroy(_EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (dri2_dpy->own_dri_screen) { if (dri2_dpy->vtbl && dri2_dpy->vtbl->close_screen_notify) dri2_dpy->vtbl->close_screen_notify(disp); dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); } if (dri2_dpy->fd >= 0) close(dri2_dpy->fd); /* Don't dlclose the driver when building with the address sanitizer, so you * get good symbols from the leak reports. */ #if !BUILT_WITH_ASAN || defined(NDEBUG) if (dri2_dpy->driver) dlclose(dri2_dpy->driver); #endif free(dri2_dpy->driver_name); #ifdef HAVE_WAYLAND_PLATFORM free(dri2_dpy->device_name); #endif switch (disp->Platform) { case _EGL_PLATFORM_X11: dri2_teardown_x11(dri2_dpy); break; case _EGL_PLATFORM_DRM: dri2_teardown_drm(dri2_dpy); break; case _EGL_PLATFORM_WAYLAND: dri2_teardown_wayland(dri2_dpy); break; default: /* TODO: add teardown for other platforms */ break; } /* The drm platform does not create the screen/driver_configs but reuses * the ones from the gbm device. As such the gbm itself is responsible * for the cleanup. */ if (disp->Platform != _EGL_PLATFORM_DRM && dri2_dpy->driver_configs) { for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++) free((__DRIconfig *) dri2_dpy->driver_configs[i]); free(dri2_dpy->driver_configs); } free(dri2_dpy); disp->DriverData = NULL; } __DRIbuffer * dri2_egl_surface_alloc_local_buffer(struct dri2_egl_surface *dri2_surf, unsigned int att, unsigned int format) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); if (att >= ARRAY_SIZE(dri2_surf->local_buffers)) return NULL; if (!dri2_surf->local_buffers[att]) { dri2_surf->local_buffers[att] = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format, dri2_surf->base.Width, dri2_surf->base.Height); } return dri2_surf->local_buffers[att]; } void dri2_egl_surface_free_local_buffers(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); for (int i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) { if (dri2_surf->local_buffers[i]) { dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, dri2_surf->local_buffers[i]); dri2_surf->local_buffers[i] = NULL; } } } /** * Called via eglTerminate(), drv->Terminate(). * * This must be guaranteed to be called exactly once, even if eglTerminate is * called many times (without a eglInitialize in between). */ static EGLBoolean dri2_terminate(_EGLDisplay *disp) { /* Release all non-current Context/Surfaces. */ _eglReleaseDisplayResources(disp); dri2_display_release(disp); return EGL_TRUE; } /** * Set the error code after a call to * dri2_egl_display::dri2::createContextAttribs. */ static void dri2_create_context_attribs_error(int dri_error) { EGLint egl_error; switch (dri_error) { case __DRI_CTX_ERROR_SUCCESS: return; case __DRI_CTX_ERROR_NO_MEMORY: egl_error = EGL_BAD_ALLOC; break; /* From the EGL_KHR_create_context spec, section "Errors": * * * If does not support a client API context compatible * with the requested API major and minor version, [...] context flags, * and context reset notification behavior (for client API types where * these attributes are supported), then an EGL_BAD_MATCH error is * generated. * * * If an OpenGL ES context is requested and the values for * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that * is not defined, than an EGL_BAD_MATCH error is generated. * * * If an OpenGL context is requested, the requested version is * greater than 3.2, and the value for attribute * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than * one of these bits set; or if the implementation does not support * the requested profile, then an EGL_BAD_MATCH error is generated. */ case __DRI_CTX_ERROR_BAD_API: case __DRI_CTX_ERROR_BAD_VERSION: case __DRI_CTX_ERROR_BAD_FLAG: egl_error = EGL_BAD_MATCH; break; /* From the EGL_KHR_create_context spec, section "Errors": * * * If an attribute name or attribute value in is not * recognized (including unrecognized bits in bitmask attributes), * then an EGL_BAD_ATTRIBUTE error is generated." */ case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE: case __DRI_CTX_ERROR_UNKNOWN_FLAG: egl_error = EGL_BAD_ATTRIBUTE; break; default: assert(!"unknown dri_error code"); egl_error = EGL_BAD_MATCH; break; } _eglError(egl_error, "dri2_create_context"); } static bool dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx, struct dri2_egl_display *dri2_dpy, uint32_t *ctx_attribs, unsigned *num_attribs) { int pos = 0; assert(*num_attribs >= NUM_ATTRIBS); ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION; ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion; ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION; ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion; if (dri2_ctx->base.Flags != 0) { /* If the implementation doesn't support the __DRI2_ROBUSTNESS * extension, don't even try to send it the robust-access flag. * It may explode. Instead, generate the required EGL error here. */ if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0 && !dri2_dpy->robustness) { _eglError(EGL_BAD_MATCH, "eglCreateContext"); return false; } ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS; ctx_attribs[pos++] = dri2_ctx->base.Flags; } if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) { /* If the implementation doesn't support the __DRI2_ROBUSTNESS * extension, don't even try to send it a reset strategy. It may * explode. Instead, generate the required EGL error here. */ if (!dri2_dpy->robustness) { _eglError(EGL_BAD_CONFIG, "eglCreateContext"); return false; } ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY; ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT; } if (dri2_ctx->base.ContextPriority != EGL_CONTEXT_PRIORITY_MEDIUM_IMG) { unsigned val; switch (dri2_ctx->base.ContextPriority) { case EGL_CONTEXT_PRIORITY_HIGH_IMG: val = __DRI_CTX_PRIORITY_HIGH; break; case EGL_CONTEXT_PRIORITY_MEDIUM_IMG: val = __DRI_CTX_PRIORITY_MEDIUM; break; case EGL_CONTEXT_PRIORITY_LOW_IMG: val = __DRI_CTX_PRIORITY_LOW; break; default: _eglError(EGL_BAD_CONFIG, "eglCreateContext"); return false; } ctx_attribs[pos++] = __DRI_CTX_ATTRIB_PRIORITY; ctx_attribs[pos++] = val; } if (dri2_ctx->base.ReleaseBehavior == EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR) { ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR; ctx_attribs[pos++] = __DRI_CTX_RELEASE_BEHAVIOR_NONE; } if (dri2_ctx->base.NoError) { ctx_attribs[pos++] = __DRI_CTX_ATTRIB_NO_ERROR; ctx_attribs[pos++] = true; } *num_attribs = pos; return true; } /** * Called via eglCreateContext(), drv->CreateContext(). */ static _EGLContext * dri2_create_context(_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); __DRIcontext *shared = dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL; struct dri2_egl_config *dri2_config = dri2_egl_config(conf); const __DRIconfig *dri_config; int api; unsigned error; unsigned num_attribs = NUM_ATTRIBS; uint32_t ctx_attribs[NUM_ATTRIBS]; 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; /* The EGL_EXT_create_context_robustness spec says: * * "Add to the eglCreateContext context creation errors: [...] * * * If the reset notification behavior of and the * newly created context are different then an EGL_BAD_MATCH error is * generated." */ if (share_list && share_list->ResetNotificationStrategy != dri2_ctx->base.ResetNotificationStrategy) { _eglError(EGL_BAD_MATCH, "eglCreateContext"); goto cleanup; } /* The EGL_KHR_create_context_no_error spec says: * * "BAD_MATCH is generated if the value of EGL_CONTEXT_OPENGL_NO_ERROR_KHR * used to create does not match the value of * EGL_CONTEXT_OPENGL_NO_ERROR_KHR for the context being created." */ if (share_list && share_list->NoError != dri2_ctx->base.NoError) { _eglError(EGL_BAD_MATCH, "eglCreateContext"); goto cleanup; } switch (dri2_ctx->base.ClientAPI) { case EGL_OPENGL_ES_API: switch (dri2_ctx->base.ClientMajorVersion) { case 1: api = __DRI_API_GLES; break; case 2: api = __DRI_API_GLES2; break; case 3: api = __DRI_API_GLES3; break; default: _eglError(EGL_BAD_PARAMETER, "eglCreateContext"); free(dri2_ctx); return NULL; } break; case EGL_OPENGL_API: if ((dri2_ctx->base.ClientMajorVersion >= 4 || (dri2_ctx->base.ClientMajorVersion == 3 && dri2_ctx->base.ClientMinorVersion >= 2)) && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR) api = __DRI_API_OPENGL_CORE; else if (dri2_ctx->base.ClientMajorVersion == 3 && dri2_ctx->base.ClientMinorVersion == 1) api = __DRI_API_OPENGL_CORE; else api = __DRI_API_OPENGL; break; default: _eglError(EGL_BAD_PARAMETER, "eglCreateContext"); free(dri2_ctx); 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_config[1][0]) dri_config = dri2_config->dri_config[1][0]; else dri_config = dri2_config->dri_config[0][0]; } else dri_config = NULL; if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs, &num_attribs)) goto cleanup; if (dri2_dpy->image_driver) { dri2_ctx->dri_context = dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen, api, dri_config, shared, num_attribs / 2, ctx_attribs, & error, dri2_ctx); dri2_create_context_attribs_error(error); } else if (dri2_dpy->dri2) { if (dri2_dpy->dri2->base.version >= 3) { dri2_ctx->dri_context = dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen, api, dri_config, shared, num_attribs / 2, ctx_attribs, & error, dri2_ctx); dri2_create_context_attribs_error(error); } else { dri2_ctx->dri_context = dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen, api, dri_config, shared, dri2_ctx); } } else { assert(dri2_dpy->swrast); if (dri2_dpy->swrast->base.version >= 3) { dri2_ctx->dri_context = dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen, api, dri_config, shared, num_attribs / 2, ctx_attribs, & error, dri2_ctx); dri2_create_context_attribs_error(error); } else { dri2_ctx->dri_context = dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen, api, dri_config, shared, dri2_ctx); } } if (!dri2_ctx->dri_context) goto cleanup; return &dri2_ctx->base; cleanup: free(dri2_ctx); return NULL; } /** * Called via eglDestroyContext(), drv->DestroyContext(). */ static EGLBoolean dri2_destroy_context(_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; } EGLBoolean dri2_init_surface(_EGLSurface *surf, _EGLDisplay *disp, EGLint type, _EGLConfig *conf, const EGLint *attrib_list, EGLBoolean enable_out_fence, void *native_surface) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); dri2_surf->out_fence_fd = -1; dri2_surf->enable_out_fence = false; if (dri2_dpy->fence && dri2_dpy->fence->base.version >= 2 && dri2_dpy->fence->get_capabilities && (dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen) & __DRI_FENCE_CAP_NATIVE_FD)) { dri2_surf->enable_out_fence = enable_out_fence; } return _eglInitSurface(surf, disp, type, conf, attrib_list, native_surface); } static void dri2_surface_set_out_fence_fd( _EGLSurface *surf, int fence_fd) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); if (dri2_surf->out_fence_fd >= 0) close(dri2_surf->out_fence_fd); dri2_surf->out_fence_fd = fence_fd; } void dri2_fini_surface(_EGLSurface *surf) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); dri2_surface_set_out_fence_fd(surf, -1); dri2_surf->enable_out_fence = false; } static EGLBoolean dri2_destroy_surface(_EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!_eglPutSurface(surf)) return EGL_TRUE; return dri2_dpy->vtbl->destroy_surface(disp, surf); } static void dri2_surf_update_fence_fd(_EGLContext *ctx, _EGLDisplay *disp, _EGLSurface *surf) { __DRIcontext *dri_ctx = dri2_egl_context(ctx)->dri_context; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); int fence_fd = -1; void *fence; if (!dri2_surf->enable_out_fence) return; fence = dri2_dpy->fence->create_fence_fd(dri_ctx, -1); if (fence) { fence_fd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen, fence); dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, fence); } dri2_surface_set_out_fence_fd(surf, fence_fd); } EGLBoolean dri2_create_drawable(struct dri2_egl_display *dri2_dpy, const __DRIconfig *config, struct dri2_egl_surface *dri2_surf, void *loaderPrivate) { if (dri2_dpy->kopper) { dri2_surf->dri_drawable = dri2_dpy->kopper->createNewDrawable(dri2_dpy->dri_screen, config, loaderPrivate, dri2_surf->base.Type == EGL_PBUFFER_BIT || dri2_surf->base.Type == EGL_PIXMAP_BIT); } else { __DRIcreateNewDrawableFunc createNewDrawable; if (dri2_dpy->image_driver) createNewDrawable = dri2_dpy->image_driver->createNewDrawable; else if (dri2_dpy->dri2) createNewDrawable = dri2_dpy->dri2->createNewDrawable; else if (dri2_dpy->swrast) createNewDrawable = dri2_dpy->swrast->createNewDrawable; else return _eglError(EGL_BAD_ALLOC, "no createNewDrawable"); dri2_surf->dri_drawable = createNewDrawable(dri2_dpy->dri_screen, config, loaderPrivate); } if (dri2_surf->dri_drawable == NULL) return _eglError(EGL_BAD_ALLOC, "createNewDrawable"); return EGL_TRUE; } /** * Called via eglMakeCurrent(), drv->MakeCurrent(). */ static EGLBoolean dri2_make_current(_EGLDisplay *disp, _EGLSurface *dsurf, _EGLSurface *rsurf, _EGLContext *ctx) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); _EGLDisplay *old_disp = NULL; struct dri2_egl_display *old_dri2_dpy = NULL; _EGLContext *old_ctx; _EGLSurface *old_dsurf, *old_rsurf; _EGLSurface *tmp_dsurf, *tmp_rsurf; __DRIdrawable *ddraw, *rdraw; __DRIcontext *cctx; EGLint egl_error = EGL_SUCCESS; if (!dri2_dpy) return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent"); /* make new bindings, set the EGL error otherwise */ if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) return EGL_FALSE; if (old_ctx == ctx && old_dsurf == dsurf && old_rsurf == rsurf) { _eglPutSurface(old_dsurf); _eglPutSurface(old_rsurf); _eglPutContext(old_ctx); return EGL_TRUE; } if (old_ctx) { __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context; old_disp = old_ctx->Resource.Display; old_dri2_dpy = dri2_egl_display(old_disp); /* Disable shared buffer mode */ if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) && old_dri2_dpy->vtbl->set_shared_buffer_mode) { old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, false); } dri2_dpy->core->unbindContext(old_cctx); if (old_dsurf) dri2_surf_update_fence_fd(old_ctx, disp, old_dsurf); } ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL; rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL; cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL; if (cctx || ddraw || rdraw) { if (!dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) { _EGLContext *tmp_ctx; /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but * setting the error to EGL_BAD_MATCH is surely better than leaving it * as EGL_SUCCESS. */ egl_error = EGL_BAD_MATCH; /* undo the previous _eglBindContext */ _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf); assert(&dri2_ctx->base == ctx && tmp_dsurf == dsurf && tmp_rsurf == rsurf); _eglPutSurface(dsurf); _eglPutSurface(rsurf); _eglPutContext(ctx); _eglPutSurface(old_dsurf); _eglPutSurface(old_rsurf); _eglPutContext(old_ctx); ddraw = (old_dsurf) ? dri2_dpy->vtbl->get_dri_drawable(old_dsurf) : NULL; rdraw = (old_rsurf) ? dri2_dpy->vtbl->get_dri_drawable(old_rsurf) : NULL; cctx = (old_ctx) ? dri2_egl_context(old_ctx)->dri_context : NULL; /* undo the previous dri2_dpy->core->unbindContext */ if (dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) { if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) && old_dri2_dpy->vtbl->set_shared_buffer_mode) { old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, true); } return _eglError(egl_error, "eglMakeCurrent"); } /* We cannot restore the same state as it was before calling * eglMakeCurrent() and the spec isn't clear about what to do. We * can prevent EGL from calling into the DRI driver with no DRI * context bound. */ dsurf = rsurf = NULL; ctx = NULL; _eglBindContext(ctx, dsurf, rsurf, &tmp_ctx, &tmp_dsurf, &tmp_rsurf); assert(tmp_ctx == old_ctx && tmp_dsurf == old_dsurf && tmp_rsurf == old_rsurf); _eglLog(_EGL_WARNING, "DRI2: failed to rebind the previous context"); } else { /* dri2_dpy->core->bindContext succeeded, so take a reference on the * dri2_dpy. This prevents dri2_dpy from being reinitialized when a * EGLDisplay is terminated and then initialized again while a * context is still bound. See dri2_intitialize() for a more in depth * explanation. */ dri2_dpy->ref_count++; } } dri2_destroy_surface(disp, old_dsurf); dri2_destroy_surface(disp, old_rsurf); if (old_ctx) { dri2_destroy_context(disp, old_ctx); dri2_display_release(old_disp); } if (egl_error != EGL_SUCCESS) return _eglError(egl_error, "eglMakeCurrent"); if (dsurf && _eglSurfaceHasMutableRenderBuffer(dsurf) && dri2_dpy->vtbl->set_shared_buffer_mode) { /* Always update the shared buffer mode. This is obviously needed when * the active EGL_RENDER_BUFFER is EGL_SINGLE_BUFFER. When * EGL_RENDER_BUFFER is EGL_BACK_BUFFER, the update protects us in the * case where external non-EGL API may have changed window's shared * buffer mode since we last saw it. */ bool mode = (dsurf->ActiveRenderBuffer == EGL_SINGLE_BUFFER); dri2_dpy->vtbl->set_shared_buffer_mode(disp, dsurf, mode); } return EGL_TRUE; } __DRIdrawable * dri2_surface_get_dri_drawable(_EGLSurface *surf) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); return dri2_surf->dri_drawable; } /* * Called from eglGetProcAddress() via drv->GetProcAddress(). */ static _EGLProc dri2_get_proc_address(const char *procname) { DISPLAY_LOGI("procname = %{public}s", procname); return _glapi_get_proc_address(procname); } static _EGLSurface* dri2_create_window_surface(_EGLDisplay *disp, _EGLConfig *conf, void *native_window, const EGLint *attrib_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); return dri2_dpy->vtbl->create_window_surface(disp, conf, native_window, attrib_list); } static _EGLSurface* dri2_create_pixmap_surface(_EGLDisplay *disp, _EGLConfig *conf, void *native_pixmap, const EGLint *attrib_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!dri2_dpy->vtbl->create_pixmap_surface) return NULL; return dri2_dpy->vtbl->create_pixmap_surface(disp, conf, native_pixmap, attrib_list); } static _EGLSurface* dri2_create_pbuffer_surface(_EGLDisplay *disp, _EGLConfig *conf, const EGLint *attrib_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!dri2_dpy->vtbl->create_pbuffer_surface) return NULL; return dri2_dpy->vtbl->create_pbuffer_surface(disp, conf, attrib_list); } static EGLBoolean dri2_swap_interval(_EGLDisplay *disp, _EGLSurface *surf, EGLint interval) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!dri2_dpy->vtbl->swap_interval) return EGL_TRUE; return dri2_dpy->vtbl->swap_interval(disp, surf, interval); } /** * Asks the client API to flush any rendering to the drawable so that we can * do our swapbuffers. */ void dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw); if (dri2_dpy->flush) { if (dri2_dpy->flush->base.version >= 4) { /* We know there's a current context because: * * "If surface is not bound to the calling thread’s current * context, an EGL_BAD_SURFACE error is generated." */ _EGLContext *ctx = _eglGetCurrentContext(); struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); /* From the EGL 1.4 spec (page 52): * * "The contents of ancillary buffers are always undefined * after calling eglSwapBuffers." */ dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context, dri_drawable, __DRI2_FLUSH_DRAWABLE | __DRI2_FLUSH_INVALIDATE_ANCILLARY, __DRI2_THROTTLE_SWAPBUFFER); } else { dri2_dpy->flush->flush(dri_drawable); } } } static EGLBoolean dri2_swap_buffers(_EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf); _EGLContext *ctx = _eglGetCurrentContext(); EGLBoolean ret; if (ctx && surf) dri2_surf_update_fence_fd(ctx, disp, surf); ret = dri2_dpy->vtbl->swap_buffers(disp, surf); /* SwapBuffers marks the end of the frame; reset the damage region for * use again next time. */ if (ret && dri2_dpy->buffer_damage && dri2_dpy->buffer_damage->set_damage_region) dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL); return ret; } static EGLBoolean dri2_swap_buffers_with_damage(_EGLDisplay *disp, _EGLSurface *surf, const EGLint *rects, EGLint n_rects) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf); _EGLContext *ctx = _eglGetCurrentContext(); EGLBoolean ret; if (ctx && surf) dri2_surf_update_fence_fd(ctx, disp, surf); if (dri2_dpy->vtbl->swap_buffers_with_damage) ret = dri2_dpy->vtbl->swap_buffers_with_damage(disp, surf, rects, n_rects); else ret = dri2_dpy->vtbl->swap_buffers(disp, surf); /* SwapBuffers marks the end of the frame; reset the damage region for * use again next time. */ if (ret && dri2_dpy->buffer_damage && dri2_dpy->buffer_damage->set_damage_region) dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL); return ret; } static EGLBoolean dri2_swap_buffers_region(_EGLDisplay *disp, _EGLSurface *surf, EGLint numRects, const EGLint *rects) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf); EGLBoolean ret; if (!dri2_dpy->vtbl->swap_buffers_region) return EGL_FALSE; ret = dri2_dpy->vtbl->swap_buffers_region(disp, surf, numRects, rects); /* SwapBuffers marks the end of the frame; reset the damage region for * use again next time. */ if (ret && dri2_dpy->buffer_damage && dri2_dpy->buffer_damage->set_damage_region) dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL); return ret; } static EGLBoolean dri2_set_damage_region(_EGLDisplay *disp, _EGLSurface *surf, EGLint *rects, EGLint n_rects) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); __DRIdrawable *drawable = dri2_dpy->vtbl->get_dri_drawable(surf); if (!dri2_dpy->buffer_damage || !dri2_dpy->buffer_damage->set_damage_region) return EGL_FALSE; dri2_dpy->buffer_damage->set_damage_region(drawable, n_rects, rects); return EGL_TRUE; } static EGLBoolean dri2_post_sub_buffer(_EGLDisplay *disp, _EGLSurface *surf, EGLint x, EGLint y, EGLint width, EGLint height) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!dri2_dpy->vtbl->post_sub_buffer) return EGL_FALSE; return dri2_dpy->vtbl->post_sub_buffer(disp, surf, x, y, width, height); } static EGLBoolean dri2_copy_buffers(_EGLDisplay *disp, _EGLSurface *surf, void *native_pixmap_target) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!dri2_dpy->vtbl->copy_buffers) return _eglError(EGL_BAD_NATIVE_PIXMAP, "no support for native pixmaps"); return dri2_dpy->vtbl->copy_buffers(disp, surf, native_pixmap_target); } static EGLint dri2_query_buffer_age(_EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!dri2_dpy->vtbl->query_buffer_age) return 0; return dri2_dpy->vtbl->query_buffer_age(disp, surf); } static EGLBoolean dri2_wait_client(_EGLDisplay *disp, _EGLContext *ctx) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); _EGLSurface *surf = ctx->DrawSurface; __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf); /* FIXME: If EGL allows frontbuffer rendering for window surfaces, * we need to copy fake to real here.*/ if (dri2_dpy->flush != NULL) dri2_dpy->flush->flush(dri_drawable); return EGL_TRUE; } static EGLBoolean dri2_wait_native(EGLint engine) { if (engine != EGL_CORE_NATIVE_ENGINE) return _eglError(EGL_BAD_PARAMETER, "eglWaitNative"); /* glXWaitX(); */ return EGL_TRUE; } static EGLBoolean dri2_bind_tex_image(_EGLDisplay *disp, _EGLSurface *surf, EGLint buffer) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_context *dri2_ctx; _EGLContext *ctx; GLint format, target; __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf); ctx = _eglGetCurrentContext(); dri2_ctx = dri2_egl_context(ctx); if (!_eglBindTexImage(disp, surf, buffer)) return EGL_FALSE; switch (surf->TextureFormat) { case EGL_TEXTURE_RGB: format = __DRI_TEXTURE_FORMAT_RGB; break; case EGL_TEXTURE_RGBA: format = __DRI_TEXTURE_FORMAT_RGBA; break; default: assert(!"Unexpected texture format in dri2_bind_tex_image()"); format = __DRI_TEXTURE_FORMAT_RGBA; } switch (surf->TextureTarget) { case EGL_TEXTURE_2D: target = GL_TEXTURE_2D; break; default: target = GL_TEXTURE_2D; assert(!"Unexpected texture target in dri2_bind_tex_image()"); } dri2_dpy->tex_buffer->setTexBuffer2(dri2_ctx->dri_context, target, format, dri_drawable); return EGL_TRUE; } static EGLBoolean dri2_release_tex_image(_EGLDisplay *disp, _EGLSurface *surf, EGLint buffer) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_context *dri2_ctx; _EGLContext *ctx; GLint target; __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf); ctx = _eglGetCurrentContext(); dri2_ctx = dri2_egl_context(ctx); if (!_eglReleaseTexImage(disp, surf, buffer)) return EGL_FALSE; switch (surf->TextureTarget) { case EGL_TEXTURE_2D: target = GL_TEXTURE_2D; break; default: assert(!"missing texture target"); } if (dri2_dpy->tex_buffer->base.version >= 3 && dri2_dpy->tex_buffer->releaseTexBuffer != NULL) { dri2_dpy->tex_buffer->releaseTexBuffer(dri2_ctx->dri_context, target, dri_drawable); } return EGL_TRUE; } static _EGLImage* dri2_create_image(_EGLDisplay *disp, _EGLContext *ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); return dri2_dpy->vtbl->create_image(disp, ctx, target, buffer, attr_list); } _EGLImage * dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image) { struct dri2_egl_image *dri2_img; if (dri_image == NULL) { _eglError(EGL_BAD_ALLOC, "dri2_create_image"); return NULL; } dri2_img = malloc(sizeof *dri2_img); if (!dri2_img) { _eglError(EGL_BAD_ALLOC, "dri2_create_image"); return NULL; } _eglInitImage(&dri2_img->base, disp); dri2_img->dri_image = dri_image; return &dri2_img->base; } /** * Translate a DRI Image extension error code into an EGL error code. */ static EGLint egl_error_from_dri_image_error(int dri_error) { switch (dri_error) { case __DRI_IMAGE_ERROR_SUCCESS: return EGL_SUCCESS; case __DRI_IMAGE_ERROR_BAD_ALLOC: return EGL_BAD_ALLOC; case __DRI_IMAGE_ERROR_BAD_MATCH: return EGL_BAD_MATCH; case __DRI_IMAGE_ERROR_BAD_PARAMETER: return EGL_BAD_PARAMETER; case __DRI_IMAGE_ERROR_BAD_ACCESS: return EGL_BAD_ACCESS; default: assert(!"unknown dri_error code"); return EGL_BAD_ALLOC; } } 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); GLuint renderbuffer = (GLuint) (uintptr_t) buffer; __DRIimage *dri_image; if (renderbuffer == 0) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } if (!disp->Extensions.KHR_gl_renderbuffer_image) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } if (dri2_dpy->image->base.version >= 17 && dri2_dpy->image->createImageFromRenderbuffer2) { unsigned error = ~0; dri_image = dri2_dpy->image->createImageFromRenderbuffer2( dri2_ctx->dri_context, renderbuffer, NULL, &error); assert(!!dri_image == (error == __DRI_IMAGE_ERROR_SUCCESS)); if (!dri_image) { _eglError(egl_error_from_dri_image_error(error), "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } } else { dri_image = dri2_dpy->image->createImageFromRenderbuffer( dri2_ctx->dri_context, renderbuffer, NULL); if (!dri_image) { _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } } return dri2_create_image_from_dri(disp, dri_image); } #ifdef HAVE_WAYLAND_PLATFORM /* This structure describes how a wl_buffer maps to one or more * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the * offsets and strides of the planes in the buffer. This table maps a * wl_drm format code to a description of the planes in the buffer * that lets us create a __DRIimage for each of the planes. */ static const struct wl_drm_components_descriptor { uint32_t dri_components; EGLint components; int nplanes; } wl_drm_components[] = { { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 }, { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 }, { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 }, { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 }, { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 }, }; static _EGLImage * dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx, EGLClientBuffer _buffer, const EGLint *attr_list) { struct wl_drm_buffer *buffer; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); const struct wl_drm_components_descriptor *f; __DRIimage *dri_image; _EGLImageAttribs attrs; int32_t plane; buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, (struct wl_resource *) _buffer); if (!buffer) return NULL; if (!_eglParseImageAttribList(&attrs, disp, attr_list)) return NULL; plane = attrs.PlaneWL; f = buffer->driver_format; if (plane < 0 || plane >= f->nplanes) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer (plane out of bounds)"); return NULL; } dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL); if (dri_image == NULL && plane == 0) dri_image = dri2_dpy->image->dupImage(buffer->driver_buffer, NULL); if (dri_image == NULL) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer"); return NULL; } return dri2_create_image_from_dri(disp, dri_image); } #endif static EGLBoolean dri2_get_sync_values_chromium(_EGLDisplay *disp, _EGLSurface *surf, EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!dri2_dpy->vtbl->get_sync_values) return EGL_FALSE; return dri2_dpy->vtbl->get_sync_values(disp, surf, ust, msc, sbc); } /** * Set the error code after a call to * dri2_egl_image::dri_image::createImageFromTexture. */ static void dri2_create_image_khr_texture_error(int dri_error) { EGLint egl_error = egl_error_from_dri_image_error(dri_error); if (egl_error != EGL_SUCCESS) _eglError(egl_error, "dri2_create_image_khr_texture"); } static _EGLImage * dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx, EGLenum target, 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 texture = (GLuint) (uintptr_t) buffer; _EGLImageAttribs attrs; GLuint depth; GLenum gl_target; unsigned error; if (texture == 0) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } if (!_eglParseImageAttribList(&attrs, disp, attr_list)) return EGL_NO_IMAGE_KHR; switch (target) { case EGL_GL_TEXTURE_2D_KHR: if (!disp->Extensions.KHR_gl_texture_2D_image) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } depth = 0; gl_target = GL_TEXTURE_2D; break; case EGL_GL_TEXTURE_3D_KHR: if (!disp->Extensions.KHR_gl_texture_3D_image) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } depth = attrs.GLTextureZOffset; gl_target = GL_TEXTURE_3D; break; case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR: case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR: case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR: case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR: case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR: case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR: if (!disp->Extensions.KHR_gl_texture_cubemap_image) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR; gl_target = GL_TEXTURE_CUBE_MAP; break; default: unreachable("Unexpected target in dri2_create_image_khr_texture()"); 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; } _eglInitImage(&dri2_img->base, disp); dri2_img->dri_image = dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context, gl_target, texture, depth, attrs.GLTextureLevel, &error, NULL); dri2_create_image_khr_texture_error(error); if (!dri2_img->dri_image) { free(dri2_img); return EGL_NO_IMAGE_KHR; } return &dri2_img->base; } static EGLBoolean dri2_query_surface(_EGLDisplay *disp, _EGLSurface *surf, EGLint attribute, EGLint *value) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!dri2_dpy->vtbl->query_surface) return _eglQuerySurface(disp, surf, attribute, value); return dri2_dpy->vtbl->query_surface(disp, surf, attribute, value); } static struct wl_buffer* dri2_create_wayland_buffer_from_image(_EGLDisplay *disp, _EGLImage *img) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (!dri2_dpy->vtbl->create_wayland_buffer_from_image) return NULL; return dri2_dpy->vtbl->create_wayland_buffer_from_image(disp, img); } #ifdef HAVE_LIBDRM static _EGLImage * dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx, EGLClientBuffer buffer, const EGLint *attr_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); EGLint format, name, pitch; _EGLImageAttribs attrs; __DRIimage *dri_image; name = (EGLint) (uintptr_t) buffer; if (!_eglParseImageAttribList(&attrs, disp, attr_list)) 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; } dri_image = dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen, attrs.Width, attrs.Height, format, name, pitch, NULL); return dri2_create_image_from_dri(disp, dri_image); } static EGLBoolean dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs) { /** * The spec says: * * "Required attributes and their values are as follows: * * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels * * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified * by drm_fourcc.h and used as the pixel_format parameter of the * drm_mode_fb_cmd2 ioctl." * * and * * "* If is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is * incomplete, EGL_BAD_PARAMETER is generated." */ if (attrs->Width <= 0 || attrs->Height <= 0 || !attrs->DMABufFourCC.IsPresent) return _eglError(EGL_BAD_PARAMETER, "attribute(s) missing"); /** * Also: * * "If is EGL_LINUX_DMA_BUF_EXT and one or more of the values * specified for a plane's pitch or offset isn't supported by EGL, * EGL_BAD_ACCESS is generated." */ for (unsigned i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) { if (attrs->DMABufPlanePitches[i].IsPresent && attrs->DMABufPlanePitches[i].Value <= 0) return _eglError(EGL_BAD_ACCESS, "invalid pitch"); } /** * If is EGL_LINUX_DMA_BUF_EXT, both or neither of the following * attribute values may be given. * * This is referring to EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT and * EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, and the same for other planes. */ for (unsigned i = 0; i < DMA_BUF_MAX_PLANES; ++i) { if (attrs->DMABufPlaneModifiersLo[i].IsPresent != attrs->DMABufPlaneModifiersHi[i].IsPresent) return _eglError(EGL_BAD_PARAMETER, "modifier attribute lo or hi missing"); } /* Although the EGL_EXT_image_dma_buf_import_modifiers spec doesn't * mandate it, we only accept the same modifier across all planes. */ for (unsigned i = 1; i < DMA_BUF_MAX_PLANES; ++i) { if (attrs->DMABufPlaneFds[i].IsPresent) { if ((attrs->DMABufPlaneModifiersLo[0].IsPresent != attrs->DMABufPlaneModifiersLo[i].IsPresent) || (attrs->DMABufPlaneModifiersLo[0].Value != attrs->DMABufPlaneModifiersLo[i].Value) || (attrs->DMABufPlaneModifiersHi[0].Value != attrs->DMABufPlaneModifiersHi[i].Value)) return _eglError(EGL_BAD_PARAMETER, "modifier attributes not equal"); } } return EGL_TRUE; } /* Returns the total number of planes for the format or zero if it isn't a * valid fourcc format. */ static unsigned dri2_num_fourcc_format_planes(EGLint format) { switch (format) { case DRM_FORMAT_R8: case DRM_FORMAT_RG88: case DRM_FORMAT_GR88: case DRM_FORMAT_R16: case DRM_FORMAT_GR1616: case DRM_FORMAT_RGB332: case DRM_FORMAT_BGR233: case DRM_FORMAT_XRGB4444: case DRM_FORMAT_XBGR4444: case DRM_FORMAT_RGBX4444: case DRM_FORMAT_BGRX4444: case DRM_FORMAT_ARGB4444: case DRM_FORMAT_ABGR4444: case DRM_FORMAT_RGBA4444: case DRM_FORMAT_BGRA4444: case DRM_FORMAT_XRGB1555: case DRM_FORMAT_XBGR1555: case DRM_FORMAT_RGBX5551: case DRM_FORMAT_BGRX5551: case DRM_FORMAT_ARGB1555: case DRM_FORMAT_ABGR1555: case DRM_FORMAT_RGBA5551: case DRM_FORMAT_BGRA5551: case DRM_FORMAT_RGB565: case DRM_FORMAT_BGR565: case DRM_FORMAT_RGB888: case DRM_FORMAT_BGR888: case DRM_FORMAT_XRGB8888: case DRM_FORMAT_XBGR8888: case DRM_FORMAT_RGBX8888: case DRM_FORMAT_BGRX8888: case DRM_FORMAT_ARGB8888: case DRM_FORMAT_ABGR8888: case DRM_FORMAT_RGBA8888: case DRM_FORMAT_BGRA8888: case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_XBGR2101010: case DRM_FORMAT_RGBX1010102: case DRM_FORMAT_BGRX1010102: case DRM_FORMAT_ARGB2101010: case DRM_FORMAT_ABGR2101010: case DRM_FORMAT_RGBA1010102: case DRM_FORMAT_BGRA1010102: case DRM_FORMAT_ABGR16161616: case DRM_FORMAT_XBGR16161616: case DRM_FORMAT_XBGR16161616F: case DRM_FORMAT_ABGR16161616F: case DRM_FORMAT_YUYV: case DRM_FORMAT_YVYU: case DRM_FORMAT_UYVY: case DRM_FORMAT_VYUY: case DRM_FORMAT_AYUV: case DRM_FORMAT_XYUV8888: case DRM_FORMAT_Y210: case DRM_FORMAT_Y212: case DRM_FORMAT_Y216: case DRM_FORMAT_Y410: case DRM_FORMAT_Y412: case DRM_FORMAT_Y416: return 1; case DRM_FORMAT_NV12: case DRM_FORMAT_NV21: case DRM_FORMAT_NV16: case DRM_FORMAT_NV61: case DRM_FORMAT_P010: case DRM_FORMAT_P012: case DRM_FORMAT_P016: return 2; case DRM_FORMAT_YUV410: case DRM_FORMAT_YVU410: case DRM_FORMAT_YUV411: case DRM_FORMAT_YVU411: case DRM_FORMAT_YUV420: case DRM_FORMAT_YVU420: case DRM_FORMAT_YUV422: case DRM_FORMAT_YVU422: case DRM_FORMAT_YUV444: case DRM_FORMAT_YVU444: return 3; default: return 0; } } /* Returns the total number of file descriptors. Zero indicates an error. */ static unsigned dri2_check_dma_buf_format(const _EGLImageAttribs *attrs) { unsigned plane_n = dri2_num_fourcc_format_planes(attrs->DMABufFourCC.Value); if (plane_n == 0) { _eglError(EGL_BAD_MATCH, "unknown drm fourcc format"); return 0; } for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; i++) { /** * The modifiers extension spec says: * * "Modifiers may modify any attribute of a buffer import, including * but not limited to adding extra planes to a format which * otherwise does not have those planes. As an example, a modifier * may add a plane for an external compression buffer to a * single-plane format. The exact meaning and effect of any * modifier is canonically defined by drm_fourcc.h, not as part of * this extension." */ if (attrs->DMABufPlaneModifiersLo[i].IsPresent && attrs->DMABufPlaneModifiersHi[i].IsPresent) { plane_n = i + 1; } } /** * The spec says: * * "* If is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is * incomplete, EGL_BAD_PARAMETER is generated." */ for (unsigned i = 0; i < plane_n; ++i) { if (!attrs->DMABufPlaneFds[i].IsPresent || !attrs->DMABufPlaneOffsets[i].IsPresent || !attrs->DMABufPlanePitches[i].IsPresent) { _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing"); return 0; } } /** * The spec also says: * * "If is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_* * or EGL_DMA_BUF_PLANE3_* attributes are specified." */ for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; ++i) { if (attrs->DMABufPlaneFds[i].IsPresent || attrs->DMABufPlaneOffsets[i].IsPresent || attrs->DMABufPlanePitches[i].IsPresent) { _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes"); return 0; } } return plane_n; } static EGLBoolean dri2_query_dma_buf_formats(_EGLDisplay *disp, EGLint max, EGLint *formats, EGLint *count) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (max < 0 || (max > 0 && formats == NULL)) return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats"); if (dri2_dpy->image->base.version < 15 || dri2_dpy->image->queryDmaBufFormats == NULL) return EGL_FALSE; if (!dri2_dpy->image->queryDmaBufFormats(dri2_dpy->dri_screen, max, formats, count)) return EGL_FALSE; if (max > 0) { /* Assert that all of the formats returned are actually fourcc formats. * Some day, if we want the internal interface function to be able to * return the fake fourcc formats defined in dri_interface.h, we'll have * to do something more clever here to pair the list down to just real * fourcc formats so that we don't leak the fake internal ones. */ for (int i = 0; i < *count; i++) { assert(dri2_num_fourcc_format_planes(formats[i]) > 0); } } return EGL_TRUE; } static EGLBoolean dri2_query_dma_buf_modifiers(_EGLDisplay *disp, EGLint format, EGLint max, EGLuint64KHR *modifiers, EGLBoolean *external_only, EGLint *count) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); if (dri2_num_fourcc_format_planes(format) == 0) return _eglError(EGL_BAD_PARAMETER, "invalid fourcc format"); if (max < 0) return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats"); if (max > 0 && modifiers == NULL) return _eglError(EGL_BAD_PARAMETER, "invalid modifiers array"); if (dri2_dpy->image->base.version < 15 || dri2_dpy->image->queryDmaBufModifiers == NULL) return EGL_FALSE; if (dri2_dpy->image->queryDmaBufModifiers(dri2_dpy->dri_screen, format, max, modifiers, (unsigned int *) external_only, count) == false) return _eglError(EGL_BAD_PARAMETER, "invalid format"); return EGL_TRUE; } /** * The spec says: * * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the * EGL will take a reference to the dma_buf(s) which it will release at any * time while the EGLDisplay is initialized. It is the responsibility of the * application to close the dma_buf file descriptors." * * Therefore we must never close or otherwise modify the file descriptors. */ _EGLImage * dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx, EGLClientBuffer buffer, const EGLint *attr_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); _EGLImage *res; _EGLImageAttribs attrs; __DRIimage *dri_image; unsigned num_fds; int fds[DMA_BUF_MAX_PLANES]; int pitches[DMA_BUF_MAX_PLANES]; int offsets[DMA_BUF_MAX_PLANES]; uint64_t modifier; bool has_modifier = false; unsigned error; /** * The spec says: * * ""* If is EGL_LINUX_DMA_BUF_EXT and is not NULL, the * error EGL_BAD_PARAMETER is generated." */ if (buffer != NULL) { _eglError(EGL_BAD_PARAMETER, "buffer not NULL"); return NULL; } if (!_eglParseImageAttribList(&attrs, disp, attr_list)) return NULL; if (!dri2_check_dma_buf_attribs(&attrs)) return NULL; num_fds = dri2_check_dma_buf_format(&attrs); if (!num_fds) return NULL; for (unsigned i = 0; i < num_fds; ++i) { fds[i] = attrs.DMABufPlaneFds[i].Value; pitches[i] = attrs.DMABufPlanePitches[i].Value; offsets[i] = attrs.DMABufPlaneOffsets[i].Value; } /* dri2_check_dma_buf_attribs ensures that the modifier, if available, * will be present in attrs.DMABufPlaneModifiersLo[0] and * attrs.DMABufPlaneModifiersHi[0] */ if (attrs.DMABufPlaneModifiersLo[0].IsPresent) { modifier = combine_u32_into_u64(attrs.DMABufPlaneModifiersHi[0].Value, attrs.DMABufPlaneModifiersLo[0].Value); has_modifier = true; } if (attrs.ProtectedContent) { if (dri2_dpy->image->base.version < 18 || dri2_dpy->image->createImageFromDmaBufs3 == NULL) { _eglError(EGL_BAD_MATCH, "unsupported protected_content attribute"); return EGL_NO_IMAGE_KHR; } if (!has_modifier) modifier = DRM_FORMAT_MOD_INVALID; dri_image = dri2_dpy->image->createImageFromDmaBufs3(dri2_dpy->dri_screen, attrs.Width, attrs.Height, attrs.DMABufFourCC.Value, modifier, fds, num_fds, pitches, offsets, attrs.DMABufYuvColorSpaceHint.Value, attrs.DMABufSampleRangeHint.Value, attrs.DMABufChromaHorizontalSiting.Value, attrs.DMABufChromaVerticalSiting.Value, attrs.ProtectedContent ? __DRI_IMAGE_PROTECTED_CONTENT_FLAG : 0, &error, NULL); } else if (has_modifier) { if (dri2_dpy->image->base.version < 15 || dri2_dpy->image->createImageFromDmaBufs2 == NULL) { _eglError(EGL_BAD_MATCH, "unsupported dma_buf format modifier"); return EGL_NO_IMAGE_KHR; } dri_image = dri2_dpy->image->createImageFromDmaBufs2(dri2_dpy->dri_screen, attrs.Width, attrs.Height, attrs.DMABufFourCC.Value, modifier, fds, num_fds, pitches, offsets, attrs.DMABufYuvColorSpaceHint.Value, attrs.DMABufSampleRangeHint.Value, attrs.DMABufChromaHorizontalSiting.Value, attrs.DMABufChromaVerticalSiting.Value, &error, NULL); } else { dri_image = dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen, attrs.Width, attrs.Height, attrs.DMABufFourCC.Value, fds, num_fds, pitches, offsets, attrs.DMABufYuvColorSpaceHint.Value, attrs.DMABufSampleRangeHint.Value, attrs.DMABufChromaHorizontalSiting.Value, attrs.DMABufChromaVerticalSiting.Value, &error, NULL); } dri2_create_image_khr_texture_error(error); if (!dri_image) return EGL_NO_IMAGE_KHR; res = dri2_create_image_from_dri(disp, dri_image); return res; } static _EGLImage * dri2_create_drm_image_mesa(_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; if (!attr_list) { _eglError(EGL_BAD_PARAMETER, __func__); return EGL_NO_IMAGE_KHR; } if (!_eglParseImageAttribList(&attrs, disp, attr_list)) return EGL_NO_IMAGE_KHR; if (attrs.Width <= 0 || attrs.Height <= 0) { _eglError(EGL_BAD_PARAMETER, __func__); return EGL_NO_IMAGE_KHR; } switch (attrs.DRMBufferFormatMESA) { case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA: format = __DRI_IMAGE_FORMAT_ARGB8888; break; default: _eglError(EGL_BAD_PARAMETER, __func__); return EGL_NO_IMAGE_KHR; } 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) { _eglError(EGL_BAD_PARAMETER, __func__); return EGL_NO_IMAGE_KHR; } 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 = malloc(sizeof *dri2_img); if (!dri2_img) { _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } _eglInitImage(&dri2_img->base, disp); 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) { free(dri2_img); _eglError(EGL_BAD_ALLOC, "dri2_create_drm_image_mesa"); return EGL_NO_IMAGE_KHR; } return &dri2_img->base; } static EGLBoolean dri2_export_drm_image_mesa(_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); if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_NAME, name)) return _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa"); 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; } /** * Checks if we can support EGL_MESA_image_dma_buf_export on this image. * The spec provides a boolean return for the driver to reject exporting for * basically any reason, but doesn't specify any particular error cases. For * now, we just fail if we don't have a DRM fourcc for the format. */ static bool dri2_can_export_dma_buf_image(_EGLDisplay *disp, _EGLImage *img) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img = dri2_egl_image(img); EGLint fourcc; if (!dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_FOURCC, &fourcc)) { return false; } return true; } static EGLBoolean dri2_export_dma_buf_image_query_mesa(_EGLDisplay *disp, _EGLImage *img, EGLint *fourcc, EGLint *nplanes, EGLuint64KHR *modifiers) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img = dri2_egl_image(img); int num_planes; if (!dri2_can_export_dma_buf_image(disp, img)) return EGL_FALSE; dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_NUM_PLANES, &num_planes); if (nplanes) *nplanes = num_planes; if (fourcc) dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_FOURCC, fourcc); if (modifiers) { int mod_hi, mod_lo; uint64_t modifier = DRM_FORMAT_MOD_INVALID; bool query; query = dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_MODIFIER_UPPER, &mod_hi); query &= dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_MODIFIER_LOWER, &mod_lo); if (query) modifier = combine_u32_into_u64 (mod_hi, mod_lo); for (int i = 0; i < num_planes; i++) modifiers[i] = modifier; } return EGL_TRUE; } static EGLBoolean dri2_export_dma_buf_image_mesa(_EGLDisplay *disp, _EGLImage *img, int *fds, EGLint *strides, EGLint *offsets) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img = dri2_egl_image(img); EGLint nplanes; if (!dri2_can_export_dma_buf_image(disp, img)) return EGL_FALSE; /* EGL_MESA_image_dma_buf_export spec says: * "If the number of fds is less than the number of planes, then * subsequent fd slots should contain -1." */ if (fds) { /* Query nplanes so that we know how big the given array is. */ dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_NUM_PLANES, &nplanes); memset(fds, -1, nplanes * sizeof(int)); } /* rework later to provide multiple fds/strides/offsets */ if (fds) dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_FD, fds); if (strides) dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_STRIDE, strides); if (offsets) { int img_offset; bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image, __DRI_IMAGE_ATTRIB_OFFSET, &img_offset); if (ret) offsets[0] = img_offset; else offsets[0] = 0; } return EGL_TRUE; } #endif _EGLImage * dri2_create_image_khr(_EGLDisplay *disp, _EGLContext *ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list) { switch (target) { case EGL_GL_TEXTURE_2D_KHR: case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR: case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR: case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR: case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR: case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR: case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR: case EGL_GL_TEXTURE_3D_KHR: return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list); case EGL_GL_RENDERBUFFER_KHR: return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list); #ifdef HAVE_LIBDRM case EGL_DRM_BUFFER_MESA: return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list); case EGL_LINUX_DMA_BUF_EXT: return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list); #endif #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(_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; } #ifdef HAVE_WAYLAND_PLATFORM static void dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd, struct wl_drm_buffer *buffer) { _EGLDisplay *disp = user_data; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); __DRIimage *img; int dri_components = 0; if (fd == -1) img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen, buffer->width, buffer->height, buffer->format, (int*)&name, 1, buffer->stride, buffer->offset, NULL); else img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen, buffer->width, buffer->height, buffer->format, &fd, 1, buffer->stride, buffer->offset, NULL); if (img == NULL) return; dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components); buffer->driver_format = NULL; for (int i = 0; i < ARRAY_SIZE(wl_drm_components); i++) if (wl_drm_components[i].dri_components == dri_components) buffer->driver_format = &wl_drm_components[i]; if (buffer->driver_format == NULL) dri2_dpy->image->destroyImage(img); else buffer->driver_buffer = img; } static void dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer) { _EGLDisplay *disp = user_data; struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); dri2_dpy->image->destroyImage(buffer->driver_buffer); } static EGLBoolean dri2_bind_wayland_display_wl(_EGLDisplay *disp, struct wl_display *wl_dpy) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); const struct wayland_drm_callbacks wl_drm_callbacks = { .authenticate = (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate, .reference_buffer = dri2_wl_reference_buffer, .release_buffer = dri2_wl_release_buffer, .is_format_supported = dri2_wl_is_format_supported }; int flags = 0; char *device_name; uint64_t cap; if (dri2_dpy->wl_server_drm) return EGL_FALSE; device_name = drmGetRenderDeviceNameFromFd(dri2_dpy->fd); if (!device_name) device_name = strdup(dri2_dpy->device_name); if (!device_name) return EGL_FALSE; if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 && cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) && dri2_dpy->image->base.version >= 7 && dri2_dpy->image->createImageFromFds != NULL) flags |= WAYLAND_DRM_PRIME; dri2_dpy->wl_server_drm = wayland_drm_init(wl_dpy, device_name, &wl_drm_callbacks, disp, flags); free(device_name); if (!dri2_dpy->wl_server_drm) return EGL_FALSE; #ifdef HAVE_DRM_PLATFORM /* We have to share the wl_drm instance with gbm, so gbm can convert * wl_buffers to gbm bos. */ if (dri2_dpy->gbm_dri) dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm; #endif return EGL_TRUE; } static EGLBoolean dri2_unbind_wayland_display_wl(_EGLDisplay *disp, struct wl_display *wl_dpy) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); 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; } static EGLBoolean dri2_query_wayland_buffer_wl(_EGLDisplay *disp, struct wl_resource *buffer_resource, EGLint attribute, EGLint *value) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct wl_drm_buffer *buffer; const struct wl_drm_components_descriptor *format; buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource); if (!buffer) return EGL_FALSE; format = buffer->driver_format; switch (attribute) { case EGL_TEXTURE_FORMAT: *value = format->components; return EGL_TRUE; case EGL_WIDTH: *value = buffer->width; return EGL_TRUE; case EGL_HEIGHT: *value = buffer->height; return EGL_TRUE; } return EGL_FALSE; } #endif static void dri2_egl_ref_sync(struct dri2_egl_sync *sync) { p_atomic_inc(&sync->refcount); } static void dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy, struct dri2_egl_sync *dri2_sync) { if (p_atomic_dec_zero(&dri2_sync->refcount)) { switch (dri2_sync->base.Type) { case EGL_SYNC_REUSABLE_KHR: cnd_destroy(&dri2_sync->cond); break; case EGL_SYNC_NATIVE_FENCE_ANDROID: if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID) close(dri2_sync->base.SyncFd); break; default: break; } if (dri2_sync->fence) dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence); free(dri2_sync); } } static _EGLSync * dri2_create_sync(_EGLDisplay *disp, EGLenum type, const EGLAttrib *attrib_list) { _EGLContext *ctx = _eglGetCurrentContext(); struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); struct dri2_egl_sync *dri2_sync; EGLint ret; pthread_condattr_t attr; dri2_sync = calloc(1, sizeof(struct dri2_egl_sync)); if (!dri2_sync) { _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR"); return NULL; } if (!_eglInitSync(&dri2_sync->base, disp, type, attrib_list)) { free(dri2_sync); return NULL; } switch (type) { case EGL_SYNC_FENCE_KHR: dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context); if (!dri2_sync->fence) { /* Why did it fail? DRI doesn't return an error code, so we emit * a generic EGL error that doesn't communicate user error. */ _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR"); free(dri2_sync); return NULL; } break; case EGL_SYNC_CL_EVENT_KHR: dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event( dri2_dpy->dri_screen, dri2_sync->base.CLEvent); /* this can only happen if the cl_event passed in is invalid. */ if (!dri2_sync->fence) { _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR"); free(dri2_sync); return NULL; } /* the initial status must be "signaled" if the cl_event is signaled */ if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context, dri2_sync->fence, 0, 0)) dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR; break; case EGL_SYNC_REUSABLE_KHR: /* intialize attr */ ret = pthread_condattr_init(&attr); if (ret) { _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR"); free(dri2_sync); return NULL; } /* change clock attribute to CLOCK_MONOTONIC */ ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC); if (ret) { _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR"); free(dri2_sync); return NULL; } ret = pthread_cond_init(&dri2_sync->cond, &attr); if (ret) { _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR"); free(dri2_sync); return NULL; } /* initial status of reusable sync must be "unsignaled" */ dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR; break; case EGL_SYNC_NATIVE_FENCE_ANDROID: if (dri2_dpy->fence->create_fence_fd) { dri2_sync->fence = dri2_dpy->fence->create_fence_fd( dri2_ctx->dri_context, dri2_sync->base.SyncFd); } if (!dri2_sync->fence) { _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR"); free(dri2_sync); return NULL; } break; } p_atomic_set(&dri2_sync->refcount, 1); return &dri2_sync->base; } static EGLBoolean dri2_destroy_sync(_EGLDisplay *disp, _EGLSync *sync) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync); EGLint ret = EGL_TRUE; EGLint err; /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet, * then unlock all threads possibly blocked by the reusable sync before * destroying it. */ if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) { dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR; /* unblock all threads currently blocked by sync */ err = cnd_broadcast(&dri2_sync->cond); if (err) { _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR"); ret = EGL_FALSE; } } dri2_egl_unref_sync(dri2_dpy, dri2_sync); return ret; } static EGLint dri2_dup_native_fence_fd(_EGLDisplay *disp, _EGLSync *sync) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync); assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID); if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) { /* try to retrieve the actual native fence fd.. if rendering is * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD: */ sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen, dri2_sync->fence); } if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) { /* if native fence fd still not created, return an error: */ _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID"); return EGL_NO_NATIVE_FENCE_FD_ANDROID; } assert(sync_valid_fd(sync->SyncFd)); return os_dupfd_cloexec(sync->SyncFd); } static void dri2_set_blob_cache_funcs(_EGLDisplay *disp, EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); dri2_dpy->blob->set_cache_funcs(dri2_dpy->dri_screen, disp->BlobCacheSet, disp->BlobCacheGet); } static EGLint dri2_client_wait_sync(_EGLDisplay *disp, _EGLSync *sync, EGLint flags, EGLTime timeout) { _EGLContext *ctx = _eglGetCurrentContext(); struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync); unsigned wait_flags = 0; EGLint ret = EGL_CONDITION_SATISFIED_KHR; /* The EGL_KHR_fence_sync spec states: * * "If no context is current for the bound API, * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored. */ if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR) wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS; /* the sync object should take a reference while waiting */ dri2_egl_ref_sync(dri2_sync); switch (sync->Type) { case EGL_SYNC_FENCE_KHR: case EGL_SYNC_NATIVE_FENCE_ANDROID: case EGL_SYNC_CL_EVENT_KHR: if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL, dri2_sync->fence, wait_flags, timeout)) dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR; else ret = EGL_TIMEOUT_EXPIRED_KHR; break; case EGL_SYNC_REUSABLE_KHR: if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR && (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) { /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */ dri2_gl_flush(); } /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/ if (timeout == EGL_FOREVER_KHR) { mtx_lock(&dri2_sync->mutex); cnd_wait(&dri2_sync->cond, &dri2_sync->mutex); mtx_unlock(&dri2_sync->mutex); } else { /* if reusable sync has not been yet signaled */ if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) { /* timespecs for cnd_timedwait */ struct timespec current; struct timespec expire; /* We override the clock to monotonic when creating the condition * variable. */ clock_gettime(CLOCK_MONOTONIC, ¤t); /* calculating when to expire */ expire.tv_nsec = timeout % 1000000000L; expire.tv_sec = timeout / 1000000000L; expire.tv_nsec += current.tv_nsec; expire.tv_sec += current.tv_sec; /* expire.nsec now is a number between 0 and 1999999998 */ if (expire.tv_nsec > 999999999L) { expire.tv_sec++; expire.tv_nsec -= 1000000000L; } mtx_lock(&dri2_sync->mutex); ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire); mtx_unlock(&dri2_sync->mutex); if (ret == thrd_timedout) { if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) { ret = EGL_TIMEOUT_EXPIRED_KHR; } else { _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR"); ret = EGL_FALSE; } } } } break; } dri2_egl_unref_sync(dri2_dpy, dri2_sync); return ret; } static EGLBoolean dri2_signal_sync(_EGLDisplay *disp, _EGLSync *sync, EGLenum mode) { struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync); EGLint ret; if (sync->Type != EGL_SYNC_REUSABLE_KHR) return _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR"); if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR) return _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR"); dri2_sync->base.SyncStatus = mode; if (mode == EGL_SIGNALED_KHR) { ret = cnd_broadcast(&dri2_sync->cond); /* fail to broadcast */ if (ret) return _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR"); } return EGL_TRUE; } static EGLint dri2_server_wait_sync(_EGLDisplay *disp, _EGLSync *sync) { _EGLContext *ctx = _eglGetCurrentContext(); struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync); dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context, dri2_sync->fence, 0); return EGL_TRUE; } static int dri2_interop_query_device_info(_EGLDisplay *disp, _EGLContext *ctx, struct mesa_glinterop_device_info *out) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); if (!dri2_dpy->interop) return MESA_GLINTEROP_UNSUPPORTED; return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out); } static int dri2_interop_export_object(_EGLDisplay *disp, _EGLContext *ctx, struct mesa_glinterop_export_in *in, struct mesa_glinterop_export_out *out) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); if (!dri2_dpy->interop) return MESA_GLINTEROP_UNSUPPORTED; return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out); } const _EGLDriver _eglDriver = { .Initialize = dri2_initialize, .Terminate = dri2_terminate, .CreateContext = dri2_create_context, .DestroyContext = dri2_destroy_context, .MakeCurrent = dri2_make_current, .CreateWindowSurface = dri2_create_window_surface, .CreatePixmapSurface = dri2_create_pixmap_surface, .CreatePbufferSurface = dri2_create_pbuffer_surface, .DestroySurface = dri2_destroy_surface, .GetProcAddress = dri2_get_proc_address, .WaitClient = dri2_wait_client, .WaitNative = dri2_wait_native, .BindTexImage = dri2_bind_tex_image, .ReleaseTexImage = dri2_release_tex_image, .SwapInterval = dri2_swap_interval, .SwapBuffers = dri2_swap_buffers, .SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage, .SwapBuffersRegionNOK = dri2_swap_buffers_region, .SetDamageRegion = dri2_set_damage_region, .PostSubBufferNV = dri2_post_sub_buffer, .CopyBuffers = dri2_copy_buffers, .QueryBufferAge = dri2_query_buffer_age, .CreateImageKHR = dri2_create_image, .DestroyImageKHR = dri2_destroy_image_khr, .CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image, .QuerySurface = dri2_query_surface, .QueryDriverName = dri2_query_driver_name, .QueryDriverConfig = dri2_query_driver_config, #ifdef HAVE_LIBDRM .CreateDRMImageMESA = dri2_create_drm_image_mesa, .ExportDRMImageMESA = dri2_export_drm_image_mesa, .ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa, .ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa, .QueryDmaBufFormatsEXT = dri2_query_dma_buf_formats, .QueryDmaBufModifiersEXT = dri2_query_dma_buf_modifiers, #endif #ifdef HAVE_WAYLAND_PLATFORM .BindWaylandDisplayWL = dri2_bind_wayland_display_wl, .UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl, .QueryWaylandBufferWL = dri2_query_wayland_buffer_wl, #endif .GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium, .CreateSyncKHR = dri2_create_sync, .ClientWaitSyncKHR = dri2_client_wait_sync, .SignalSyncKHR = dri2_signal_sync, .WaitSyncKHR = dri2_server_wait_sync, .DestroySyncKHR = dri2_destroy_sync, .GLInteropQueryDeviceInfo = dri2_interop_query_device_info, .GLInteropExportObject = dri2_interop_export_object, .DupNativeFenceFDANDROID = dri2_dup_native_fence_fd, .SetBlobCacheFuncsANDROID = dri2_set_blob_cache_funcs, };