/* * GStreamer * Copyright (C) 2013 Sebastian Dröge * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include /* FIXME: Sharing contexts requires the EGLDisplay to be the same * may need to box it. */ #include "gstglcontext_egl.h" #include #include #include "gstegl.h" #include "../utils/opengl_versions.h" #include "../utils/gles_versions.h" #if GST_GL_HAVE_WINDOW_X11 #include "../x11/gstglwindow_x11.h" #include #endif #if GST_GL_HAVE_WINDOW_WAYLAND #include "../wayland/gstglwindow_wayland_egl.h" #endif #if GST_GL_HAVE_WINDOW_WIN32 #include "../win32/gstglwindow_win32.h" #endif #if GST_GL_HAVE_WINDOW_DISPMANX #include "../dispmanx/gstglwindow_dispmanx_egl.h" #endif #if GST_GL_HAVE_WINDOW_GBM #include "../gbm/gstglwindow_gbm_egl.h" #endif #if GST_GL_HAVE_WINDOW_VIV_FB #include "../viv-fb/gstglwindow_viv_fb_egl.h" #endif #define GST_CAT_DEFAULT gst_gl_context_debug typedef struct _GstGLDmaFormat GstGLDmaFormat; /** * GstGLDmaFormat: (skip) * * Opaque struct */ struct _GstGLDmaFormat { gint fourcc; GArray *modifiers; }; static gboolean gst_gl_context_egl_create_context (GstGLContext * context, GstGLAPI gl_api, GstGLContext * other_context, GError ** error); static void gst_gl_context_egl_destroy_context (GstGLContext * context); static gboolean gst_gl_context_egl_choose_format (GstGLContext * context, GError ** error); static gboolean gst_gl_context_egl_activate (GstGLContext * context, gboolean activate); static void gst_gl_context_egl_swap_buffers (GstGLContext * context); static guintptr gst_gl_context_egl_get_gl_context (GstGLContext * context); static GstGLAPI gst_gl_context_egl_get_gl_api (GstGLContext * context); static GstGLPlatform gst_gl_context_egl_get_gl_platform (GstGLContext * context); static gboolean gst_gl_context_egl_check_feature (GstGLContext * context, const gchar * feature); static void gst_gl_context_egl_get_gl_platform_version (GstGLContext * context, gint * major, gint * minor); static GstStructure *gst_gl_context_egl_get_config (GstGLContext * context); static gboolean gst_gl_context_egl_request_config (GstGLContext * context, GstStructure * config); G_DEFINE_TYPE (GstGLContextEGL, gst_gl_context_egl, GST_TYPE_GL_CONTEXT); static void gst_gl_context_egl_class_init (GstGLContextEGLClass * klass) { GstGLContextClass *context_class = (GstGLContextClass *) klass; context_class->get_gl_context = GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_gl_context); context_class->activate = GST_DEBUG_FUNCPTR (gst_gl_context_egl_activate); context_class->create_context = GST_DEBUG_FUNCPTR (gst_gl_context_egl_create_context); context_class->destroy_context = GST_DEBUG_FUNCPTR (gst_gl_context_egl_destroy_context); context_class->choose_format = GST_DEBUG_FUNCPTR (gst_gl_context_egl_choose_format); context_class->swap_buffers = GST_DEBUG_FUNCPTR (gst_gl_context_egl_swap_buffers); context_class->get_gl_api = GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_gl_api); context_class->get_gl_platform = GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_gl_platform); context_class->get_proc_address = GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_proc_address); context_class->check_feature = GST_DEBUG_FUNCPTR (gst_gl_context_egl_check_feature); context_class->get_current_context = GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_current_context); context_class->get_gl_platform_version = GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_gl_platform_version); context_class->get_config = GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_config); context_class->request_config = GST_DEBUG_FUNCPTR (gst_gl_context_egl_request_config); } static void gst_gl_context_egl_init (GstGLContextEGL * context) { } /* Must be called in the gl thread */ GstGLContextEGL * gst_gl_context_egl_new (GstGLDisplay * display) { GstGLContextEGL *context; /* XXX: display type could theoretically be anything, as long as * eglGetDisplay supports it. */ context = g_object_new (GST_TYPE_GL_CONTEXT_EGL, NULL); gst_object_ref_sink (context); return context; } static gboolean gst_gl_context_egl_choose_format (GstGLContext * context, GError ** error) { #if GST_GL_HAVE_WINDOW_X11 if (GST_IS_GL_WINDOW_X11 (context->window)) { GstGLWindow *window = gst_gl_context_get_window (context); GstGLWindowX11 *window_x11 = GST_GL_WINDOW_X11 (window); gint ret; window_x11->visual_info = g_new0 (XVisualInfo, 1); ret = XMatchVisualInfo (window_x11->device, window_x11->screen_num, window_x11->depth, TrueColor, window_x11->visual_info); gst_object_unref (window); if (ret == 0) { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "Failed to match XVisualInfo"); return FALSE; } } #endif return TRUE; } static GstGLAPI egl_conformant_to_gst (int conformant) { GstGLAPI ret = GST_GL_API_NONE; if (conformant & EGL_OPENGL_BIT) ret |= GST_GL_API_OPENGL | GST_GL_API_OPENGL3; if (conformant & EGL_OPENGL_ES_BIT) ret |= GST_GL_API_GLES1; if (conformant & EGL_OPENGL_ES2_BIT) ret |= GST_GL_API_GLES2; #if defined(EGL_KHR_create_context) if (conformant & EGL_OPENGL_ES3_BIT_KHR) /* FIXME: need another gles3 value? */ ret |= GST_GL_API_GLES2; #endif #if 0 if (conformant & EGL_OPENVG_BIT) conformant_values[i++] = "OpenVG"; #endif return ret; } static GstGLConfigSurfaceType egl_surface_type_to_gst (int surface) { GstGLConfigSurfaceType ret = GST_GL_CONFIG_SURFACE_TYPE_NONE; if (surface & EGL_WINDOW_BIT) ret |= GST_GL_CONFIG_SURFACE_TYPE_WINDOW; if (surface & EGL_PBUFFER_BIT) ret |= GST_GL_CONFIG_SURFACE_TYPE_PBUFFER; #if 0 if (surface & EGL_MULTISAMPLE_RESOLVE_BOX_BIT) surface_values[i++] = "multisample-resolve-box"; if (surface & EGL_SWAP_BEHAVIOR_PRESERVED_BIT) surface_values[i++] = "swap-behaviour-preserved"; if (surface & EGL_VG_ALPHA_FORMAT_PRE_BIT) surface_values[i++] = "vg-alpha-format-pre"; if (surface & EGL_VG_COLORSPACE_LINEAR_BIT) surface_values[i++] = "vg-colorspace-linear"; #endif return ret; } static GstGLConfigCaveat egl_caveat_to_gst (int caveat) { switch (caveat) { case EGL_NONE: return GST_GL_CONFIG_CAVEAT_NONE; case EGL_SLOW_CONFIG: return GST_GL_CONFIG_CAVEAT_SLOW; case EGL_NON_CONFORMANT_CONFIG: return GST_GL_CONFIG_CAVEAT_NON_CONFORMANT; default: GST_WARNING ("unknown EGL caveat value %u (0x%x)", caveat, caveat); return GST_GL_CONFIG_CAVEAT_NON_CONFORMANT; } } static GstStructure * egl_config_to_structure (EGLDisplay egl_display, EGLConfig config) { GstStructure *ret; int val; int buffer_type; if (!egl_display) return NULL; ret = gst_structure_new (GST_GL_CONFIG_STRUCTURE_NAME, GST_GL_CONFIG_STRUCTURE_SET_ARGS (PLATFORM, GstGLPlatform, GST_GL_PLATFORM_EGL), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_CONFIG_ID, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (CONFIG_ID, int, val), NULL); #if 0 { /* Don't know how to translate this value, it's platform and implementation * dependant */ int native_visual_type; if (!eglGetConfigAttrib (egl_display, config, EGL_NATIVE_VISUAL_TYPE, &native_visual_type)) goto failure; } #endif if (!eglGetConfigAttrib (egl_display, config, EGL_NATIVE_VISUAL_ID, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (NATIVE_VISUAL_ID, guint, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_NATIVE_RENDERABLE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (NATIVE_RENDERABLE, gboolean, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_CONFORMANT, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (CONFORMANT_API, GstGLAPI, egl_conformant_to_gst (val)), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_RENDERABLE_TYPE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (RENDERABLE_API, GstGLAPI, egl_conformant_to_gst (val)), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_SURFACE_TYPE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (SURFACE_TYPE, GstGLConfigSurfaceType, egl_surface_type_to_gst (val)), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_CONFIG_CAVEAT, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (CAVEAT, GstGLConfigCaveat, egl_caveat_to_gst (val)), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_LEVEL, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (LEVEL, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_COLOR_BUFFER_TYPE, &buffer_type)) goto failure; if (buffer_type == EGL_RGB_BUFFER) { if (!eglGetConfigAttrib (egl_display, config, EGL_RED_SIZE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (RED_SIZE, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_GREEN_SIZE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (GREEN_SIZE, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_BLUE_SIZE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (BLUE_SIZE, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_ALPHA_SIZE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (ALPHA_SIZE, int, val), NULL); } else if (buffer_type == EGL_LUMINANCE_BUFFER) { if (!eglGetConfigAttrib (egl_display, config, EGL_LUMINANCE_SIZE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (LUMINANCE_SIZE, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_ALPHA_SIZE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (ALPHA_SIZE, int, val), NULL); } else { GST_WARNING ("unknown EGL_COLOR_BUFFER_TYPE value %x", buffer_type); goto failure; } if (!eglGetConfigAttrib (egl_display, config, EGL_DEPTH_SIZE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (DEPTH_SIZE, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_STENCIL_SIZE, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (STENCIL_SIZE, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_MIN_SWAP_INTERVAL, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MIN_SWAP_INTERVAL, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_MAX_SWAP_INTERVAL, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_SWAP_INTERVAL, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_MAX_PBUFFER_WIDTH, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_PBUFFER_WIDTH, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_MAX_PBUFFER_HEIGHT, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_PBUFFER_HEIGHT, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_MAX_PBUFFER_PIXELS, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_PBUFFER_PIXELS, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_SAMPLE_BUFFERS, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (SAMPLE_BUFFERS, int, val), NULL); if (!eglGetConfigAttrib (egl_display, config, EGL_SAMPLES, &val)) goto failure; gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (SAMPLES, int, val), NULL); return ret; failure: gst_structure_free (ret); return NULL; } static void gst_gl_context_egl_dump_config (GstGLContextEGL * egl, EGLConfig config) { int id; int buffer_type; if (!egl->egl_display) return; { int native_visual_id, native_visual_type; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_CONFIG_ID, &id)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_NATIVE_VISUAL_ID, &native_visual_id)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_NATIVE_VISUAL_TYPE, &native_visual_type)) return; GST_DEBUG_OBJECT (egl, "dumping EGLConfig %p with id 0x%x and " "native visual id 0x%x of type 0x%x", config, id, native_visual_id, native_visual_type); } { #define MAX_CONFORMANT 8 int conformant, i = 0; const char *conformant_values[MAX_CONFORMANT] = { NULL, }; char *conformant_str = NULL;; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_CONFORMANT, &conformant)) return; if (conformant & EGL_OPENGL_BIT) conformant_values[i++] = "OpenGL"; if (conformant & EGL_OPENGL_ES_BIT) conformant_values[i++] = "OpenGL ES"; if (conformant & EGL_OPENGL_ES2_BIT) conformant_values[i++] = "OpenGL ES 2.x"; #if defined(EGL_KHR_create_context) if (conformant & EGL_OPENGL_ES3_BIT_KHR) conformant_values[i++] = "OpenGL ES 3.x"; #endif if (conformant & EGL_OPENVG_BIT) conformant_values[i++] = "OpenVG"; /* bad things have happened if this fails: we haven't allocated enough * space to hold all the values */ g_assert (i < MAX_CONFORMANT); conformant_str = g_strjoinv ("|", (char **) conformant_values); GST_DEBUG_OBJECT (egl, "Conformant for %s", conformant_str); g_free (conformant_str); #undef MAX_CONFORMANT } { #define MAX_RENDERABLE 8 int renderable, i = 0; const char *renderable_values[MAX_RENDERABLE] = { NULL, }; char *renderable_str = NULL; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_RENDERABLE_TYPE, &renderable)) return; if (renderable & EGL_OPENGL_BIT) renderable_values[i++] = "OpenGL"; if (renderable & EGL_OPENGL_ES_BIT) renderable_values[i++] = "OpenGL ES"; if (renderable & EGL_OPENGL_ES2_BIT) renderable_values[i++] = "OpenGL ES 2.x"; #if defined(EGL_KHR_create_context) if (renderable & EGL_OPENGL_ES3_BIT_KHR) renderable_values[i++] = "OpenGL ES 3.x"; #endif if (renderable & EGL_OPENVG_BIT) renderable_values[i++] = "OpenVG"; /* bad things have happened if this fails: we haven't allocated enough * space to hold all the values */ g_assert (i < MAX_RENDERABLE); renderable_str = g_strjoinv ("|", (char **) renderable_values); GST_DEBUG_OBJECT (egl, "Renderable for %s", renderable_str); g_free (renderable_str); #undef MAX_RENDERABLE } { #define MAX_SURFACE 8 int surface, i = 0; const char *surface_values[MAX_SURFACE] = { NULL, }; char *surface_str = NULL; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_SURFACE_TYPE, &surface)) return; if (surface & EGL_WINDOW_BIT) surface_values[i++] = "window"; if (surface & EGL_PBUFFER_BIT) surface_values[i++] = "pbuffer"; if (surface & EGL_MULTISAMPLE_RESOLVE_BOX_BIT) surface_values[i++] = "multisample-resolve-box"; if (surface & EGL_SWAP_BEHAVIOR_PRESERVED_BIT) surface_values[i++] = "swap-behaviour-preserved"; if (surface & EGL_VG_ALPHA_FORMAT_PRE_BIT) surface_values[i++] = "vg-alpha-format-pre"; if (surface & EGL_VG_COLORSPACE_LINEAR_BIT) surface_values[i++] = "vg-colorspace-linear"; /* bad things have happened if this fails: we haven't allocated enough * space to hold all the values */ g_assert (i < MAX_SURFACE); surface_str = g_strjoinv ("|", (char **) surface_values); GST_DEBUG_OBJECT (egl, "Surface for (0x%x) %s", surface, surface_str); g_free (surface_str); #undef MAX_RENDERABLE } { #define MAX_CAVEAT 8 int caveat, i = 0; const char *caveat_values[MAX_CAVEAT] = { NULL, }; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_CONFIG_CAVEAT, &caveat)) return; if (caveat == EGL_SLOW_CONFIG) { caveat_values[i++] = "slow"; } else if (caveat == EGL_NON_CONFORMANT_CONFIG) { caveat_values[i++] = "non-conformant"; } if (i > 0) { char *caveat_str = g_strjoinv ("|", (char **) caveat_values); GST_DEBUG_OBJECT (egl, "Advertised as %s", caveat_str); g_free (caveat_str); } #undef MAX_CAVEAT } if (!eglGetConfigAttrib (egl->egl_display, config, EGL_COLOR_BUFFER_TYPE, &buffer_type)) return; if (buffer_type == EGL_RGB_BUFFER) { int red, blue, green, alpha; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_RED_SIZE, &red)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_GREEN_SIZE, &green)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_BLUE_SIZE, &blue)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_ALPHA_SIZE, &alpha)) return; GST_DEBUG_OBJECT (egl, "[R, G, B, A] = [%i, %i, %i, %i]", red, green, blue, alpha); } else if (buffer_type == EGL_LUMINANCE_BUFFER) { int luminance, alpha; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_LUMINANCE_SIZE, &luminance)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_ALPHA_SIZE, &alpha)) return; GST_DEBUG_OBJECT (egl, "[L, A] = [%i, %i]", luminance, alpha); } else { GST_WARNING_OBJECT (egl, "unknown EGL_COLOR_BUFFER_TYPE value %x", buffer_type); return; } { int depth, stencil; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_DEPTH_SIZE, &depth)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_STENCIL_SIZE, &stencil)) return; GST_DEBUG_OBJECT (egl, "[D, S] = [%i, %i]", depth, stencil); } { int min, max; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MIN_SWAP_INTERVAL, &min)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MAX_SWAP_INTERVAL, &max)) return; GST_DEBUG_OBJECT (egl, "Swap interval range is [%i, %i]", min, max); } { int width, height, pixels; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MAX_PBUFFER_WIDTH, &width)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MAX_PBUFFER_HEIGHT, &height)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MAX_PBUFFER_PIXELS, &pixels)) return; GST_DEBUG_OBJECT (egl, "PBuffer maximum dimensions are [%i, %i]. Max pixels are %i", width, height, pixels); } { int sample_buffers, samples_per_pixel; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_SAMPLE_BUFFERS, &sample_buffers)) return; if (!eglGetConfigAttrib (egl->egl_display, config, EGL_SAMPLES, &samples_per_pixel)) return; GST_DEBUG_OBJECT (egl, "Multisample buffers: %i and Samples per pixel: %i", sample_buffers, samples_per_pixel); } } static void gst_gl_context_egl_dump_all_configs (GstGLContextEGL * egl) { int i, n; EGLConfig *configs; if (!eglGetConfigs (egl->egl_display, NULL, 0, &n)) { GST_WARNING_OBJECT (egl, "Failed to get number of EGLConfig's"); return; } configs = g_new0 (EGLConfig, n); if (!eglGetConfigs (egl->egl_display, configs, n, &n)) { GST_WARNING_OBJECT (egl, "Failed to get the list of EGLConfig's"); goto out; } for (i = 0; i < n; i++) gst_gl_context_egl_dump_config (egl, configs[i]); out: g_free (configs); } static gboolean gst_gl_context_egl_choose_config (GstGLContextEGL * egl, GstGLAPI gl_api, gint major, GError ** error) { gboolean create_context; EGLint numConfigs; gint i, n; EGLint config_attrib[20]; EGLint egl_api = 0; EGLBoolean ret = EGL_FALSE; EGLint surface_type = EGL_WINDOW_BIT; EGLint alpha_size = 1; GstGLWindow *window; window = gst_gl_context_get_window (GST_GL_CONTEXT (egl)); if (!window || !gst_gl_window_has_output_surface (window)) { GST_INFO_OBJECT (egl, "gl window has no output surface, use pixel buffer surfaces"); surface_type = EGL_PBUFFER_BIT; } if (window) gst_object_unref (window); create_context = gst_gl_check_extension ("EGL_KHR_create_context", egl->egl_exts); /* silence unused warnings */ (void) create_context; if (gl_api & GST_GL_API_GLES2) { if (major == 3) { #if defined(EGL_KHR_create_context) if (create_context) { egl_api = EGL_OPENGL_ES3_BIT_KHR; } else #endif { return FALSE; } } else { egl_api = EGL_OPENGL_ES2_BIT; } } else egl_api = EGL_OPENGL_BIT; try_again: i = 0; n = G_N_ELEMENTS (config_attrib); config_attrib[i++] = EGL_SURFACE_TYPE; config_attrib[i++] = surface_type; config_attrib[i++] = EGL_RENDERABLE_TYPE; config_attrib[i++] = egl_api; if (egl->requested_config) { #define TRANSFORM_VALUE(GL_CONF_NAME,EGL_ATTR_NAME) \ G_STMT_START { \ if (gst_structure_has_field_typed (egl->requested_config, \ GST_GL_CONFIG_ATTRIB_NAME(GL_CONF_NAME), \ GST_GL_CONFIG_ATTRIB_GTYPE(GL_CONF_NAME))) { \ int val; \ if (gst_structure_get (egl->requested_config, \ GST_GL_CONFIG_ATTRIB_NAME(GL_CONF_NAME), \ GST_GL_CONFIG_ATTRIB_GTYPE(GL_CONF_NAME), &val, NULL)) { \ config_attrib[i++] = EGL_ATTR_NAME; \ config_attrib[i++] = (int) val; \ g_assert (i <= n); \ } \ } \ } G_STMT_END TRANSFORM_VALUE (CONFIG_ID, EGL_CONFIG_ID); TRANSFORM_VALUE (RED_SIZE, EGL_RED_SIZE); TRANSFORM_VALUE (GREEN_SIZE, EGL_GREEN_SIZE); TRANSFORM_VALUE (BLUE_SIZE, EGL_BLUE_SIZE); TRANSFORM_VALUE (ALPHA_SIZE, EGL_ALPHA_SIZE); TRANSFORM_VALUE (DEPTH_SIZE, EGL_DEPTH_SIZE); TRANSFORM_VALUE (STENCIL_SIZE, EGL_STENCIL_SIZE); /* TODO: more values */ #undef TRANSFORM_VALUE } else { config_attrib[i++] = EGL_DEPTH_SIZE; config_attrib[i++] = 16; config_attrib[i++] = EGL_RED_SIZE; config_attrib[i++] = 1; config_attrib[i++] = EGL_GREEN_SIZE; config_attrib[i++] = 1; config_attrib[i++] = EGL_BLUE_SIZE; config_attrib[i++] = 1; config_attrib[i++] = EGL_ALPHA_SIZE; config_attrib[i++] = alpha_size; } config_attrib[i++] = EGL_NONE; g_assert (i <= n); ret = eglChooseConfig (egl->egl_display, config_attrib, &egl->egl_config, 1, &numConfigs); if (ret && numConfigs == 0) { if (surface_type == EGL_PBUFFER_BIT) { surface_type = EGL_WINDOW_BIT; GST_TRACE_OBJECT (egl, "Retrying config with window bit"); goto try_again; } if (alpha_size == 1) { alpha_size = 0; GST_TRACE_OBJECT (egl, "Retrying config not forcing an alpha channel"); goto try_again; } } if (ret && numConfigs == 1) { GST_INFO ("config set: %" G_GUINTPTR_FORMAT ", %u", (guintptr) egl->egl_config, (unsigned int) numConfigs); } else { if (!ret) { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "Failed to choose EGLConfig: %s", gst_egl_get_error_string (eglGetError ())); } else if (numConfigs <= 1) { g_set_error_literal (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "Could not find a compatible EGLConfig:"); } else { g_warn_if_reached (); } goto failure; } GST_DEBUG_OBJECT (egl, "chosen EGLConfig:"); gst_gl_context_egl_dump_config (egl, egl->egl_config); return TRUE; failure: return FALSE; } static EGLContext _create_context_with_flags (GstGLContextEGL * egl, EGLContext share_context, GstGLAPI gl_api, gint major, gint minor, gint contextFlags, gint profileMask) { gboolean create_context; #define N_ATTRIBS 20 gint attribs[N_ATTRIBS]; gint n = 0; /* fail creation of apis/versions/flags that require EGL_KHR_create_context * if the extension doesn't exist, namely:0 * * - profile mask * - context flags * - GL3 > 3.1 * - GLES2 && minor > 0 */ create_context = gst_gl_check_extension ("EGL_KHR_create_context", egl->egl_exts); (void) create_context; if (!create_context && (profileMask || contextFlags || ((gl_api & GST_GL_API_OPENGL3) && GST_GL_CHECK_GL_VERSION (major, minor, 3, 2)) || ((gl_api & GST_GL_API_GLES2) && minor > 0))) { return 0; } GST_DEBUG_OBJECT (egl, "attempting to create OpenGL%s context version %d.%d " "flags %x profile %x", gl_api & GST_GL_API_GLES2 ? " ES" : "", major, minor, contextFlags, profileMask); #if defined(EGL_KHR_create_context) if (create_context) { if (major) { attribs[n++] = EGL_CONTEXT_MAJOR_VERSION_KHR; attribs[n++] = major; } if (minor) { attribs[n++] = EGL_CONTEXT_MINOR_VERSION_KHR; attribs[n++] = minor; } if (contextFlags) { attribs[n++] = EGL_CONTEXT_FLAGS_KHR; attribs[n++] = contextFlags; } if (profileMask) { attribs[n++] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR; attribs[n++] = profileMask; } } else #endif { attribs[n++] = EGL_CONTEXT_CLIENT_VERSION; attribs[n++] = major; } attribs[n++] = EGL_NONE; g_assert (n < N_ATTRIBS); #undef N_ATTRIBS return eglCreateContext (egl->egl_display, egl->egl_config, share_context, attribs); } static void gst_gl_context_egl_window_handle_changed_cb (GstGLContextEGL * egl, GstGLWindow * window) { if (egl->egl_surface != EGL_NO_SURFACE) { if (!eglDestroySurface (egl->egl_display, egl->egl_surface)) GST_WARNING_OBJECT (egl, "Failed to destroy old window surface: %s", gst_egl_get_error_string (eglGetError ())); egl->egl_surface = EGL_NO_SURFACE; } } static gboolean gst_gl_context_egl_create_context (GstGLContext * context, GstGLAPI gl_api, GstGLContext * other_context, GError ** error) { GstGLContextEGL *egl; GstGLWindow *window = NULL; guintptr window_handle = 0; EGLint egl_major; EGLint egl_minor; gboolean need_surface = TRUE; guintptr external_gl_context = 0; guintptr egl_display; egl = GST_GL_CONTEXT_EGL (context); window = gst_gl_context_get_window (context); GST_DEBUG_OBJECT (context, "Creating EGL context"); if (other_context) { if (gst_gl_context_get_gl_platform (other_context) != GST_GL_PLATFORM_EGL) { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "Cannot share context with non-EGL context"); goto failure; } external_gl_context = gst_gl_context_get_gl_context (other_context); } if ((gl_api & (GST_GL_API_OPENGL | GST_GL_API_OPENGL3 | GST_GL_API_GLES2)) == GST_GL_API_NONE) { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_API, "EGL supports opengl or gles2"); goto failure; } if (!egl->display_egl) { GstGLDisplay *display = gst_gl_context_get_display (context); egl->display_egl = gst_gl_display_egl_from_gl_display (display); if (!egl->display_egl) { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, "Failed to create EGLDisplay from native display"); gst_object_unref (display); goto failure; } gst_object_unref (display); } egl_display = gst_gl_display_get_handle (GST_GL_DISPLAY (egl->display_egl)); egl->egl_display = (EGLDisplay) egl_display; if (eglInitialize (egl->egl_display, &egl_major, &egl_minor)) { GST_INFO ("egl initialized, version: %d.%d", egl_major, egl_minor); } else { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, "Failed to initialize egl: %s", gst_egl_get_error_string (eglGetError ())); goto failure; } egl->egl_exts = eglQueryString (egl->egl_display, EGL_EXTENSIONS); GST_DEBUG_OBJECT (egl, "Have EGL extensions: %s", egl->egl_exts); gst_gl_context_egl_dump_all_configs (egl); if (gl_api & (GST_GL_API_OPENGL | GST_GL_API_OPENGL3)) { GstGLAPI chosen_gl_api = 0; gint i; /* egl + opengl only available with EGL 1.4+ */ if (egl_major == 1 && egl_minor <= 3) { if ((gl_api & ~GST_GL_API_OPENGL) == GST_GL_API_NONE) { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_OLD_LIBS, "EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)", egl_major, egl_minor); goto failure; } else { GST_WARNING ("EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)", egl_major, egl_minor); if (gl_api & GST_GL_API_GLES2) { goto try_gles2; } else { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "Failed to choose a suitable OpenGL API"); goto failure; } } } if (!eglBindAPI (EGL_OPENGL_API)) { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED, "Failed to bind OpenGL API: %s", gst_egl_get_error_string (eglGetError ())); goto failure; } GST_INFO ("Bound OpenGL"); /* api, version only matters for gles */ if (!gst_gl_context_egl_choose_config (egl, GST_GL_API_OPENGL, 0, error)) { g_assert (error == NULL || *error != NULL); goto failure; } for (i = 0; i < G_N_ELEMENTS (opengl_versions); i++) { gint profileMask = 0; gint contextFlags = 0; if (GST_GL_CHECK_GL_VERSION (opengl_versions[i].major, opengl_versions[i].minor, 3, 2)) { /* skip gl3 contexts if requested */ if ((gl_api & GST_GL_API_OPENGL3) == 0) continue; chosen_gl_api = GST_GL_API_OPENGL3; #if defined(EGL_KHR_create_context) profileMask |= EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR; contextFlags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR; #endif } else if (opengl_versions[i].major == 3 && opengl_versions[i].minor == 1) { /* skip 3.1, the implementation is free to give us either a core or a * compatibility context (we have no say) */ continue; } else { /* skip legacy contexts if requested */ if ((gl_api & GST_GL_API_OPENGL) == 0) continue; chosen_gl_api = GST_GL_API_OPENGL; } egl->egl_context = _create_context_with_flags (egl, (EGLContext) external_gl_context, chosen_gl_api, opengl_versions[i].major, opengl_versions[i].minor, contextFlags, profileMask); if (egl->egl_context) break; #if defined(EGL_KHR_create_context) profileMask &= ~EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR; egl->egl_context = _create_context_with_flags (egl, (EGLContext) external_gl_context, chosen_gl_api, opengl_versions[i].major, opengl_versions[i].minor, contextFlags, profileMask); if (egl->egl_context) break; #endif } egl->gl_api = chosen_gl_api; } else if (gl_api & GST_GL_API_GLES2) { gint i; try_gles2: if (!eglBindAPI (EGL_OPENGL_ES_API)) { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED, "Failed to bind OpenGL|ES API: %s", gst_egl_get_error_string (eglGetError ())); goto failure; } GST_INFO ("Bound OpenGL|ES"); for (i = 0; i < G_N_ELEMENTS (gles2_versions); i++) { gint profileMask = 0; gint contextFlags = 0; guint maj = gles2_versions[i].major; guint min = gles2_versions[i].minor; if (!gst_gl_context_egl_choose_config (egl, GST_GL_API_GLES2, maj, error)) { GST_DEBUG_OBJECT (context, "Failed to choose a GLES%d config: %s", maj, error && *error ? (*error)->message : "Unknown"); g_clear_error (error); continue; } #if defined(EGL_KHR_create_context) /* try a debug context */ contextFlags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR; egl->egl_context = _create_context_with_flags (egl, (EGLContext) external_gl_context, GST_GL_API_GLES2, maj, min, contextFlags, profileMask); if (egl->egl_context) break; /* try without a debug context */ contextFlags &= ~EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR; #endif egl->egl_context = _create_context_with_flags (egl, (EGLContext) external_gl_context, GST_GL_API_GLES2, maj, min, contextFlags, profileMask); if (egl->egl_context) break; } egl->gl_api = GST_GL_API_GLES2; } if (egl->egl_context != EGL_NO_CONTEXT) { GST_INFO ("gl context created: %" G_GUINTPTR_FORMAT, (guintptr) egl->egl_context); } else { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_CREATE_CONTEXT, "Failed to create a OpenGL context: %s", gst_egl_get_error_string (eglGetError ())); goto failure; } /* FIXME do we want a window vfunc ? */ #if GST_GL_HAVE_WINDOW_X11 if (GST_IS_GL_WINDOW_X11 (context->window)) { gst_gl_window_x11_create_window ((GstGLWindowX11 *) context->window); } #endif if (other_context == NULL) { /* FIXME: fails to show two outputs at all. We need a property/option for * glimagesink to say its a visible context */ #if GST_GL_HAVE_WINDOW_WAYLAND if (GST_IS_GL_WINDOW_WAYLAND_EGL (context->window)) { gst_gl_window_wayland_egl_create_window ((GstGLWindowWaylandEGL *) context->window); } #endif #if GST_GL_HAVE_WINDOW_WIN32 if (GST_IS_GL_WINDOW_WIN32 (context->window)) { gst_gl_window_win32_create_window ((GstGLWindowWin32 *) context->window, NULL); } #endif #if GST_GL_HAVE_WINDOW_DISPMANX if (GST_IS_GL_WINDOW_DISPMANX_EGL (context->window)) { gst_gl_window_dispmanx_egl_create_window ((GstGLWindowDispmanxEGL *) context->window); } #endif #if GST_GL_HAVE_WINDOW_GBM if (GST_IS_GL_WINDOW_GBM_EGL (context->window)) { gst_gl_window_gbm_egl_create_window ((GstGLWindowGBMEGL *) context->window); } #endif #if GST_GL_HAVE_WINDOW_VIV_FB if (GST_IS_GL_WINDOW_VIV_FB_EGL (context->window)) { gst_gl_window_viv_fb_egl_create_window ((GstGLWindowVivFBEGL *) context->window); } #endif } if (window) window_handle = gst_gl_window_get_window_handle (window); if (window_handle) { #if GST_GL_HAVE_WINDOW_WINRT && defined (EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER) const EGLint attrs[] = { /* EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER is an optimization that can * have large performance benefits on mobile devices. */ EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER, EGL_TRUE, EGL_NONE }; #else const EGLint *attrs = NULL; #endif GST_DEBUG ("Creating EGLSurface from window_handle %p", (void *) window_handle); egl->egl_surface = eglCreateWindowSurface (egl->egl_display, egl->egl_config, (EGLNativeWindowType) window_handle, attrs); } else if (!gst_gl_check_extension ("EGL_KHR_surfaceless_context", egl->egl_exts)) { EGLint surface_attrib[7]; gint j = 0; GST_DEBUG ("Surfaceless context, creating PBufferSurface"); /* FIXME: Width/height doesn't seem to matter but we can't leave them * at 0, otherwise X11 complains about BadValue */ surface_attrib[j++] = EGL_WIDTH; surface_attrib[j++] = 1; surface_attrib[j++] = EGL_HEIGHT; surface_attrib[j++] = 1; surface_attrib[j++] = EGL_LARGEST_PBUFFER; surface_attrib[j++] = EGL_TRUE; surface_attrib[j++] = EGL_NONE; egl->egl_surface = eglCreatePbufferSurface (egl->egl_display, egl->egl_config, surface_attrib); } else { GST_DEBUG ("No surface/handle !"); egl->egl_surface = EGL_NO_SURFACE; need_surface = FALSE; } if (need_surface) { if (egl->egl_surface != EGL_NO_SURFACE) { GST_INFO ("surface created"); } else { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED, "Failed to create window surface: %s", gst_egl_get_error_string (eglGetError ())); goto failure; } } egl->egl_major = egl_major; egl->egl_minor = egl_minor; if (window) { egl->window_handle_signal = g_signal_connect_swapped (window, "window-handle-changed", G_CALLBACK (gst_gl_context_egl_window_handle_changed_cb), egl); gst_object_unref (window); } return TRUE; failure: if (window) gst_object_unref (window); return FALSE; } static void gst_gl_context_egl_destroy_context (GstGLContext * context) { GstGLContextEGL *egl; GstGLWindow *window; egl = GST_GL_CONTEXT_EGL (context); window = gst_gl_context_get_window (context); if (window && egl->window_handle_signal) { g_signal_handler_disconnect (window, egl->window_handle_signal); egl->window_handle_signal = 0; } if (window) { gst_object_unref (window); } g_clear_pointer (&egl->dma_formats, g_array_unref); gst_gl_context_egl_activate (context, FALSE); if (egl->egl_surface) { eglDestroySurface (egl->egl_display, egl->egl_surface); egl->egl_surface = EGL_NO_SURFACE; } if (egl->egl_context) { eglDestroyContext (egl->egl_display, egl->egl_context); egl->egl_context = NULL; } eglReleaseThread (); if (egl->display_egl) { gst_object_unref (egl->display_egl); egl->display_egl = NULL; } if (egl->requested_config) gst_structure_free (egl->requested_config); egl->requested_config = NULL; } static gboolean gst_gl_context_egl_activate (GstGLContext * context, gboolean activate) { GstGLContextEGL *egl; gboolean result; egl = GST_GL_CONTEXT_EGL (context); if (activate) { GstGLWindow *window = gst_gl_context_get_window (context); guintptr handle = 0; /* Check if the backing handle changed */ if (window) { handle = gst_gl_window_get_window_handle (window); gst_object_unref (window); } if (handle && (egl->egl_surface == EGL_NO_SURFACE)) { #if GST_GL_HAVE_WINDOW_WINRT && defined (EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER) const EGLint attrs[] = { /* EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER is an optimization that can * have large performance benefits on mobile devices. */ EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER, EGL_TRUE, EGL_NONE }; #else const EGLint *attrs = NULL; #endif GST_DEBUG_OBJECT (context, "Handle changed (have:%p, now:%p), switching surface", (void *) egl->window_handle, (void *) handle); egl->egl_surface = eglCreateWindowSurface (egl->egl_display, egl->egl_config, (EGLNativeWindowType) handle, attrs); egl->window_handle = handle; if (egl->egl_surface == EGL_NO_SURFACE) { GST_ERROR_OBJECT (context, "Failed to create window surface: %s", gst_egl_get_error_string (eglGetError ())); result = FALSE; goto done; } } result = eglMakeCurrent (egl->egl_display, egl->egl_surface, egl->egl_surface, egl->egl_context); } else { result = eglMakeCurrent (egl->egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); } if (!result) { GST_ERROR_OBJECT (context, "Failed to bind context to the current rendering thread: %s", gst_egl_get_error_string (eglGetError ())); } done: return result; } static guintptr gst_gl_context_egl_get_gl_context (GstGLContext * context) { return (guintptr) GST_GL_CONTEXT_EGL (context)->egl_context; } static void gst_gl_context_egl_swap_buffers (GstGLContext * context) { GstGLContextEGL *egl; egl = GST_GL_CONTEXT_EGL (context); eglSwapBuffers (egl->egl_display, egl->egl_surface); } static GstGLAPI gst_gl_context_egl_get_gl_api (GstGLContext * context) { return GST_GL_CONTEXT_EGL (context)->gl_api; } static GstGLPlatform gst_gl_context_egl_get_gl_platform (GstGLContext * context) { return GST_GL_PLATFORM_EGL; } static GModule *module_egl; static gpointer load_egl_module (gpointer user_data) { #ifdef GST_GL_LIBEGL_MODULE_NAME module_egl = g_module_open (GST_GL_LIBEGL_MODULE_NAME, G_MODULE_BIND_LAZY); #else /* On Linux the .so is only in -dev packages, try with a real soname * Proper compilers will optimize away the strcmp */ if (g_strcmp0 (G_MODULE_SUFFIX, "so") == 0) module_egl = g_module_open ("libEGL.so.1", G_MODULE_BIND_LAZY); /* This automatically handles the suffix and even .la files */ if (!module_egl) module_egl = g_module_open ("libEGL", G_MODULE_BIND_LAZY); #endif return NULL; } gpointer gst_gl_context_egl_get_proc_address (GstGLAPI gl_api, const gchar * name) { gpointer result = NULL; static GOnce g_once = G_ONCE_INIT; #ifdef __APPLE__ #if GST_GL_HAVE_OPENGL && !defined(GST_GL_LIBGL_MODULE_NAME) if (!result && (gl_api & (GST_GL_API_OPENGL | GST_GL_API_OPENGL3))) { static GModule *module_opengl = NULL; if (g_once_init_enter (&module_opengl)) { GModule *setup_module_opengl = g_module_open ("libGL.dylib", G_MODULE_BIND_LAZY); g_once_init_leave (&module_opengl, setup_module_opengl); } if (module_opengl) g_module_symbol (module_opengl, name, &result); } #endif #if GST_GL_HAVE_GLES2 && !defined(GST_GL_LIBGLESV2_MODULE_NAME) if (!result && (gl_api & (GST_GL_API_GLES2))) { static GModule *module_gles2 = NULL; if (g_once_init_enter (&module_gles2)) { GModule *setup_module_gles2 = g_module_open ("libGLESv2.dylib", G_MODULE_BIND_LAZY); g_once_init_leave (&module_gles2, setup_module_gles2); } if (module_gles2) g_module_symbol (module_gles2, name, &result); } #endif #endif // __APPLE__ if (!result) result = gst_gl_context_default_get_proc_address (gl_api, name); g_once (&g_once, load_egl_module, NULL); if (!result && module_egl) { g_module_symbol (module_egl, name, &result); } /* FIXME: On Android this returns wrong addresses for non-EGL functions */ #if GST_GL_HAVE_WINDOW_ANDROID if (!result && g_str_has_prefix (name, "egl")) { #else if (!result) { result = eglGetProcAddress (name); #endif } return result; } static gboolean gst_gl_context_egl_check_feature (GstGLContext * context, const gchar * feature) { GstGLContextEGL *context_egl = GST_GL_CONTEXT_EGL (context); return gst_gl_check_extension (feature, context_egl->egl_exts); } guintptr gst_gl_context_egl_get_current_context (void) { return (guintptr) eglGetCurrentContext (); } static void gst_gl_context_egl_get_gl_platform_version (GstGLContext * context, gint * major, gint * minor) { GstGLContextEGL *context_egl = GST_GL_CONTEXT_EGL (context); *major = context_egl->egl_major; *minor = context_egl->egl_minor; } static GstStructure * gst_gl_context_egl_get_config (GstGLContext * context) { GstGLContextEGL *egl = GST_GL_CONTEXT_EGL (context); g_return_val_if_fail (egl->egl_config, NULL); return egl_config_to_structure (egl->egl_display, egl->egl_config); } static gboolean gst_gl_context_egl_request_config (GstGLContext * context, GstStructure * config) { GstGLContextEGL *egl = GST_GL_CONTEXT_EGL (context); if (egl->requested_config) gst_structure_free (egl->requested_config); egl->requested_config = config; return TRUE; } gboolean gst_gl_context_egl_fill_info (GstGLContext * context, GError ** error) { EGLContext egl_context = (EGLContext) gst_gl_context_get_gl_context (context); GstGLDisplay *display_egl; GstStructure *config; EGLDisplay *egl_display; EGLConfig egl_config; int config_id, n_configs; int attrs[3]; if (!egl_context) { g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, "no EGL context"); return FALSE; } display_egl = GST_GL_DISPLAY (gst_gl_display_egl_from_gl_display (context->display)); egl_display = (EGLDisplay) gst_gl_display_get_handle (display_egl); if (EGL_TRUE != eglQueryContext (egl_display, egl_context, EGL_CONFIG_ID, &config_id)) { GST_WARNING_OBJECT (context, "could not retrieve egl config id from egl context: %s", gst_egl_get_error_string (eglGetError ())); g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "could not retrieve egl config id from egl context: %s", gst_egl_get_error_string (eglGetError ())); goto failure; } if (config_id == 0) { GST_INFO_OBJECT (context, "egl config not available. ID is 0"); gst_object_unref (display_egl); return TRUE; } attrs[0] = EGL_CONFIG_ID; attrs[1] = config_id; attrs[2] = EGL_NONE; if (EGL_TRUE != eglChooseConfig (egl_display, attrs, &egl_config, 1, &n_configs) || n_configs <= 0) { GST_WARNING_OBJECT (context, "could not retrieve egl config from its ID 0x%x. " "Wrong EGLDisplay or context?", config_id); g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "could not retrieve egl config from its ID 0x%x. " "Wrong EGLDisplay or context?", config_id); goto failure; } config = egl_config_to_structure (egl_display, egl_config); if (!config) { GST_WARNING_OBJECT (context, "could not transform config id 0x%x into " "GstStructure", config_id); g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "could not transform config id 0x%x into GstStructure", config_id); goto failure; } GST_INFO_OBJECT (context, "found config %" GST_PTR_FORMAT, config); g_object_set_data_full (G_OBJECT (context), GST_GL_CONTEXT_WRAPPED_GL_CONFIG_NAME, config, (GDestroyNotify) gst_structure_free); gst_object_unref (display_egl); return TRUE; failure: gst_object_unref (display_egl); return FALSE; } #if GST_GL_HAVE_DMABUF static void _print_all_dma_formats (GstGLContext * context, GArray * dma_formats) { #ifndef GST_DISABLE_GST_DEBUG GstGLDmaFormat *dma_fmt; GstGLDmaModifier *dma_modifier; const gchar *fmt_str, *gst_fmt_str; GString *str; guint i, j; if (gst_debug_category_get_threshold (GST_CAT_DEFAULT) < GST_LEVEL_INFO) return; str = g_string_new (NULL); g_string_append_printf (str, "\n============= All DMA Formats With" " Modifiers ============="); g_string_append_printf (str, "\n| Gst Format | DRM Format " " | External Flag |"); g_string_append_printf (str, "\n|================================" "========================|"); for (i = 0; i < dma_formats->len; i++) { dma_fmt = &g_array_index (dma_formats, GstGLDmaFormat, i); gst_fmt_str = gst_video_format_to_string (gst_video_dma_drm_fourcc_to_format (dma_fmt->fourcc)); g_string_append_printf (str, "\n| %-12s |", gst_fmt_str); if (!dma_fmt->modifiers) { fmt_str = gst_video_dma_drm_fourcc_to_string (dma_fmt->fourcc, 0); g_string_append_printf (str, " %-23s |", fmt_str); g_string_append_printf (str, " %-13s |\n", "external only"); } else { for (j = 0; j < dma_fmt->modifiers->len; j++) { dma_modifier = &g_array_index (dma_fmt->modifiers, GstGLDmaModifier, j); fmt_str = gst_video_dma_drm_fourcc_to_string (dma_fmt->fourcc, dma_modifier->modifier); if (j > 0) g_string_append_printf (str, "| |"); g_string_append_printf (str, " %-23s |", fmt_str); g_string_append_printf (str, " %-13s |\n", dma_modifier->external_only ? "external only" : ""); } } if (i < dma_formats->len - 1) g_string_append_printf (str, "|--------------------------------" "------------------------|"); } g_string_append_printf (str, "=================================" "========================="); GST_INFO_OBJECT (context, "%s", str->str); g_string_free (str, TRUE); #endif } static int _compare_dma_formats (gconstpointer a, gconstpointer b) { return ((((GstGLDmaFormat *) a)->fourcc) - (((GstGLDmaFormat *) b)->fourcc)); } static void _free_dma_formats (gpointer data) { GstGLDmaFormat *format = data; if (format->modifiers) g_array_unref (format->modifiers); } /** * gst_gl_context_egl_get_dma_formats: (skip) * @context: A #GstGLContextEGL object * * Returns: %TRUE if the array of DMABufs modifiers were fetched. Otherwise, * %FALSE */ static gboolean gst_gl_context_egl_fetch_dma_formats (GstGLContext * context) { GstGLContextEGL *egl; EGLDisplay egl_dpy = EGL_DEFAULT_DISPLAY; GstGLDisplayEGL *gl_dpy_egl; EGLint *formats = NULL, num_formats, mods_len = 0; guint i, j; gboolean ret; EGLuint64KHR *modifiers = NULL; EGLBoolean *ext_only = NULL; GArray *dma_formats; EGLBoolean (*gst_eglQueryDmaBufFormatsEXT) (EGLDisplay dpy, EGLint max_formats, EGLint * formats, EGLint * num_formats); EGLBoolean (*gst_eglQueryDmaBufModifiersEXT) (EGLDisplay dpy, EGLint format, EGLint max_modifiers, EGLuint64KHR * modifiers, EGLBoolean * external_only, EGLint * num_modifiers); egl = GST_GL_CONTEXT_EGL (context); GST_OBJECT_LOCK (context); if (egl->dma_formats) { GST_OBJECT_UNLOCK (context); return TRUE; } GST_OBJECT_UNLOCK (context); if (!gst_gl_context_check_feature (context, "EGL_EXT_image_dma_buf_import_modifiers")) { GST_WARNING_OBJECT (context, "\"EGL_EXT_image_dma_buf_import_modifiers\" " "feature is not available"); goto failed; } gst_eglQueryDmaBufFormatsEXT = gst_gl_context_get_proc_address (context, "eglQueryDmaBufFormatsEXT"); if (!gst_eglQueryDmaBufFormatsEXT) { GST_ERROR_OBJECT (context, "\"eglQueryDmaBufFormatsEXT\" not exposed by the" " implementation as required by EGL >= 1.2"); goto failed; } gst_eglQueryDmaBufModifiersEXT = gst_gl_context_get_proc_address (context, "eglQueryDmaBufModifiersEXT"); if (!gst_eglQueryDmaBufModifiersEXT) { GST_ERROR_OBJECT (context, "\"eglQueryDmaBufModifiersEXT\" not exposed by " "the implementation as required by EGL >= 1.2"); goto failed; } gl_dpy_egl = gst_gl_display_egl_from_gl_display (context->display); if (!gl_dpy_egl) { GST_WARNING_OBJECT (context, "Failed to retrieve GstGLDisplayEGL from %" GST_PTR_FORMAT, context->display); goto failed; } egl_dpy = (EGLDisplay) gst_gl_display_get_handle (GST_GL_DISPLAY (gl_dpy_egl)); gst_object_unref (gl_dpy_egl); ret = gst_eglQueryDmaBufFormatsEXT (egl_dpy, 0, NULL, &num_formats); if (!ret) { GST_WARNING_OBJECT (context, "Failed to get number of DMABuf formats: %s", gst_egl_get_error_string (eglGetError ())); goto failed; } if (num_formats == 0) { GST_INFO_OBJECT (context, "No DMABuf formats available"); goto failed; } formats = g_new (EGLint, num_formats); ret = gst_eglQueryDmaBufFormatsEXT (egl_dpy, num_formats, formats, &num_formats); if (!ret) { GST_ERROR_OBJECT (context, "Failed to get number of DMABuf formats: %s", gst_egl_get_error_string (eglGetError ())); goto failed; } if (num_formats == 0) { GST_ERROR_OBJECT (context, "No DMABuf formats available"); goto failed; } dma_formats = g_array_sized_new (FALSE, FALSE, sizeof (GstGLDmaFormat), num_formats); g_array_set_clear_func (dma_formats, _free_dma_formats); for (i = 0; i < num_formats; i++) { EGLint num_mods = 0; GstVideoFormat gst_format; GstGLDmaFormat dma_frmt; gst_format = gst_video_dma_drm_fourcc_to_format (formats[i]); if (gst_format == GST_VIDEO_FORMAT_UNKNOWN) continue; dma_frmt.fourcc = formats[i]; dma_frmt.modifiers = NULL; ret = gst_eglQueryDmaBufModifiersEXT (egl_dpy, formats[i], 0, NULL, NULL, &num_mods); if (!ret) { GST_WARNING_OBJECT (context, "Failed to get number of DMABuf modifiers: " "%s", gst_egl_get_error_string (eglGetError ())); continue; } if (num_mods > 0) { if (mods_len == 0) { modifiers = g_new (EGLuint64KHR, num_mods); ext_only = g_new (EGLBoolean, num_mods); mods_len = num_mods; } else if (mods_len < num_mods) { modifiers = g_renew (EGLuint64KHR, modifiers, num_mods); ext_only = g_renew (EGLBoolean, ext_only, num_mods); mods_len = num_mods; } ret = gst_eglQueryDmaBufModifiersEXT (egl_dpy, formats[i], num_mods, modifiers, ext_only, &num_mods); if (!ret) { GST_ERROR_OBJECT (context, "Failed to get number of DMABuf modifiers: " "%s", gst_egl_get_error_string (eglGetError ())); continue; } dma_frmt.modifiers = g_array_sized_new (FALSE, FALSE, sizeof (GstGLDmaModifier), num_mods); dma_frmt.modifiers = g_array_set_size (dma_frmt.modifiers, num_mods); for (j = 0; j < num_mods; j++) { GstGLDmaModifier *modifier = &g_array_index (dma_frmt.modifiers, GstGLDmaModifier, j); modifier->modifier = modifiers[j]; modifier->external_only = ext_only[j]; } } g_array_append_val (dma_formats, dma_frmt); } g_array_sort (dma_formats, _compare_dma_formats); _print_all_dma_formats (context, dma_formats); GST_OBJECT_LOCK (context); egl->dma_formats = dma_formats; GST_OBJECT_UNLOCK (context); g_free (formats); g_free (modifiers); g_free (ext_only); return TRUE; failed: { g_free (formats); GST_OBJECT_UNLOCK (context); return FALSE; } } #endif /* GST_GL_HAVE_DMABUF */ /** * gst_gl_context_egl_get_format_modifiers: (skip) * @context: an EGL #GStGLContext * @fourcc: the FourCC format to look up * @modifiers: (out) (nullable) (element-type GstGLDmaModifier) (transfer none): * #GArray of modifiers for @fourcc * * Don't modify the content of @modifiers. * * Returns: %TRUE if the @modifiers for @fourcc were fetched correctly. * * Since: 1.24 */ gboolean gst_gl_context_egl_get_format_modifiers (GstGLContext * context, gint fourcc, const GArray ** modifiers) { #if GST_GL_HAVE_DMABUF GstGLContextEGL *egl; GstGLDmaFormat *format; guint index; gboolean ret = FALSE; g_return_val_if_fail (GST_IS_GL_CONTEXT_EGL (context), FALSE); if (!gst_gl_context_egl_fetch_dma_formats (context)) return FALSE; egl = GST_GL_CONTEXT_EGL (context); GST_OBJECT_LOCK (context); if (!egl->dma_formats) goto beach; if (!g_array_binary_search (egl->dma_formats, &fourcc, _compare_dma_formats, &index)) goto beach; format = &g_array_index (egl->dma_formats, GstGLDmaFormat, index); if (!format) goto beach; *modifiers = format->modifiers; ret = TRUE; beach: GST_OBJECT_UNLOCK (context); return ret; #endif return FALSE; } /** * gst_gl_context_egl_supports_modifier: (skip) * @context: an EGL #GStGLContext * * Returns: %TRUE if the @context supports the modifiers. * * Since: 1.24 */ gboolean gst_gl_context_egl_supports_modifier (GstGLContext * context) { #if GST_GL_HAVE_DMABUF g_return_val_if_fail (GST_IS_GL_CONTEXT_EGL (context), FALSE); return gst_gl_context_egl_fetch_dma_formats (context); #else return FALSE; #endif }