From 43cea54c905cc5b46541f28e828497c47bb027d5 Mon Sep 17 00:00:00 2001 From: Emil Velikov Date: Mon, 14 Nov 2016 16:03:45 +0000 Subject: [PATCH] gl-renderer: add support for EGL_KHR_swap_buffers_with_damage Extension is identical to the EXT one, yet we need to check for the KHR abbreviated extension name + entry-point. v2: s/foo/swap_damage_ext_to_entrypoint/ (Eric, Daniel) Signed-off-by: Emil Velikov Reviewed-by: Eric Engestrom (v1) Reviewed-by: Daniel Stone --- libweston/gl-renderer.c | 32 ++++++++++++++++++++++++++------ 1 file changed, 26 insertions(+), 6 deletions(-) diff --git a/libweston/gl-renderer.c b/libweston/gl-renderer.c index 2f46373..d072caf 100644 --- a/libweston/gl-renderer.c +++ b/libweston/gl-renderer.c @@ -2812,6 +2812,18 @@ renderer_setup_egl_client_extensions(struct gl_renderer *gr) static int gl_renderer_setup_egl_extensions(struct weston_compositor *ec) { + static const struct { + char *extension, *entrypoint; + } swap_damage_ext_to_entrypoint[] = { + { + .extension = "EGL_EXT_swap_buffers_with_damage", + .entrypoint = "eglSwapBuffersWithDamageEXT", + }, + { + .extension = "EGL_KHR_swap_buffers_with_damage", + .entrypoint = "eglSwapBuffersWithDamageKHR", + }, + }; struct gl_renderer *gr = get_renderer(ec); const char *extensions; EGLBoolean ret; @@ -2846,12 +2858,20 @@ gl_renderer_setup_egl_extensions(struct weston_compositor *ec) weston_log("warning: EGL_EXT_buffer_age not supported. " "Performance could be affected.\n"); - if (weston_check_egl_extension(extensions, "EGL_EXT_swap_buffers_with_damage")) - gr->swap_buffers_with_damage = - (void *) eglGetProcAddress("eglSwapBuffersWithDamageEXT"); - else - weston_log("warning: EGL_EXT_swap_buffers_with_damage not " - "supported. Performance could be affected.\n"); + for (unsigned i = 0; i < ARRAY_LENGTH(swap_damage_ext_to_entrypoint); i++) { + if (weston_check_egl_extension(extensions, + swap_damage_ext_to_entrypoint[i].extension)) { + gr->swap_buffers_with_damage = + (void *) eglGetProcAddress( + swap_damage_ext_to_entrypoint[i].entrypoint); + break; + } + } + if (!gr->swap_buffers_with_damage) + weston_log("warning: neither %s or %s is supported. " + "Performance could be affected.\n", + swap_damage_ext_to_entrypoint[0].extension, + swap_damage_ext_to_entrypoint[1].extension); if (weston_check_egl_extension(extensions, "EGL_KHR_no_config_context") || weston_check_egl_extension(extensions, "EGL_MESA_configless_context")) -- 2.7.4