From 457bfcab1978f6b2bff42982b8fcbf220246ee54 Mon Sep 17 00:00:00 2001 From: emersion Date: Fri, 8 Jun 2018 00:17:45 +0100 Subject: [PATCH] render/egl: only request high priority context on DRM --- include/wlr/render/egl.h | 3 +- render/egl.c | 75 +++++++++++++++++++--------------------- render/gles2/texture.c | 2 +- 3 files changed, 38 insertions(+), 42 deletions(-) diff --git a/include/wlr/render/egl.h b/include/wlr/render/egl.h index 26e367a1..55086755 100644 --- a/include/wlr/render/egl.h +++ b/include/wlr/render/egl.h @@ -18,12 +18,11 @@ struct wlr_egl { struct { bool bind_wayland_display; bool buffer_age; - bool context_priority; bool dmabuf_import_modifiers; bool dmabuf_import; bool image_base; bool swap_buffers_with_damage; - } egl_exts; + } exts; struct wl_display *wl_display; }; diff --git a/render/egl.c b/render/egl.c index 9d54e38d..7717b805 100644 --- a/render/egl.c +++ b/render/egl.c @@ -7,10 +7,6 @@ #include #include "glapi.h" -// Extension documentation -// https://www.khronos.org/registry/EGL/extensions/KHR/EGL_KHR_image_base.txt. -// https://cgit.freedesktop.org/mesa/mesa/tree/docs/specs/WL_bind_wayland_display.spec - static bool egl_get_config(EGLDisplay disp, EGLint *attribs, EGLConfig *out, EGLint visual_id) { EGLint count = 0, matched = 0, ret; @@ -61,27 +57,27 @@ static void egl_log(EGLenum error, const char *command, EGLint msg_type, _wlr_log(egl_log_importance_to_wlr(msg_type), "[EGL] %s: %s", command, msg); } -static bool check_egl_ext(const char *egl_exts, const char *ext) { +static bool check_egl_ext(const char *exts, const char *ext) { size_t extlen = strlen(ext); - const char *end = egl_exts + strlen(egl_exts); + const char *end = exts + strlen(exts); - while (egl_exts < end) { - if (*egl_exts == ' ') { - egl_exts++; + while (exts < end) { + if (*exts == ' ') { + exts++; continue; } - size_t n = strcspn(egl_exts, " "); - if (n == extlen && strncmp(ext, egl_exts, n) == 0) { + size_t n = strcspn(exts, " "); + if (n == extlen && strncmp(ext, exts, n) == 0) { return true; } - egl_exts += n; + exts += n; } return false; } static void print_dmabuf_formats(struct wlr_egl *egl) { /* Avoid log msg if extension is not present */ - if (!egl->egl_exts.dmabuf_import_modifiers) { + if (!egl->exts.dmabuf_import_modifiers) { return; } @@ -150,36 +146,31 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, wlr_log(L_INFO, "Supported EGL extensions: %s", egl->exts_str); wlr_log(L_INFO, "EGL vendor: %s", eglQueryString(egl->display, EGL_VENDOR)); - if (!check_egl_ext(egl->exts_str, "EGL_KHR_image_base")) { - wlr_log(L_ERROR, "Required EGL_KHR_image_base extension not supported"); - goto error; - } - - egl->egl_exts.image_base = + egl->exts.image_base = check_egl_ext(egl->exts_str, "EGL_KHR_image_base") && eglCreateImageKHR && eglDestroyImageKHR; - egl->egl_exts.buffer_age = + egl->exts.buffer_age = check_egl_ext(egl->exts_str, "EGL_EXT_buffer_age"); - egl->egl_exts.swap_buffers_with_damage = + egl->exts.swap_buffers_with_damage = (check_egl_ext(egl->exts_str, "EGL_EXT_swap_buffers_with_damage") && eglSwapBuffersWithDamageEXT) || (check_egl_ext(egl->exts_str, "EGL_KHR_swap_buffers_with_damage") && eglSwapBuffersWithDamageKHR); - egl->egl_exts.dmabuf_import = + egl->exts.dmabuf_import = check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import"); - egl->egl_exts.dmabuf_import_modifiers = + egl->exts.dmabuf_import_modifiers = check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers") && eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT; print_dmabuf_formats(egl); - egl->egl_exts.bind_wayland_display = + egl->exts.bind_wayland_display = check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display") && eglBindWaylandDisplayWL && eglUnbindWaylandDisplayWL && eglQueryWaylandBufferWL; - egl->egl_exts.context_priority = + bool ext_context_priority = check_egl_ext(egl->exts_str, "EGL_IMG_context_priority"); size_t atti = 0; @@ -187,9 +178,13 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, attribs[atti++] = EGL_CONTEXT_CLIENT_VERSION; attribs[atti++] = 2; + // On DRM, request a high priority context if possible + bool request_high_priority = ext_context_priority && + platform == EGL_PLATFORM_GBM_MESA; + // Try to reschedule all of our rendering to be completed first. If it // fails, it will fallback to the default priority (MEDIUM). - if (egl->egl_exts.context_priority) { + if (request_high_priority) { attribs[atti++] = EGL_CONTEXT_PRIORITY_LEVEL_IMG; attribs[atti++] = EGL_CONTEXT_PRIORITY_HIGH_IMG; } @@ -204,12 +199,14 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, goto error; } - if (egl->egl_exts.context_priority) { + if (request_high_priority) { EGLint priority = EGL_CONTEXT_PRIORITY_MEDIUM_IMG; eglQueryContext(egl->display, egl->context, EGL_CONTEXT_PRIORITY_LEVEL_IMG, &priority); if (priority != EGL_CONTEXT_PRIORITY_HIGH_IMG) { wlr_log(L_INFO, "Failed to obtain a high priority context"); + } else { + wlr_log(L_DEBUG, "Obtained high priority context"); } } @@ -237,7 +234,7 @@ void wlr_egl_finish(struct wlr_egl *egl) { eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); if (egl->wl_display) { - assert(egl->egl_exts.bind_wayland_display); + assert(egl->exts.bind_wayland_display); eglUnbindWaylandDisplayWL(egl->display, egl->wl_display); } @@ -247,7 +244,7 @@ void wlr_egl_finish(struct wlr_egl *egl) { } bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display) { - if (!egl->egl_exts.bind_wayland_display) { + if (!egl->exts.bind_wayland_display) { return false; } @@ -260,7 +257,7 @@ bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display) } bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImage image) { - if (!egl->egl_exts.image_base) { + if (!egl->exts.image_base) { return false; } if (!image) { @@ -281,7 +278,7 @@ EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window) { } static int egl_get_buffer_age(struct wlr_egl *egl, EGLSurface surface) { - if (!egl->egl_exts.buffer_age) { + if (!egl->exts.buffer_age) { return -1; } @@ -316,7 +313,7 @@ bool wlr_egl_is_current(struct wlr_egl *egl) { bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface, pixman_region32_t *damage) { EGLBoolean ret; - if (damage != NULL && egl->egl_exts.swap_buffers_with_damage) { + if (damage != NULL && egl->exts.swap_buffers_with_damage) { int nrects; pixman_box32_t *rects = pixman_region32_rectangles(damage, &nrects); @@ -350,7 +347,7 @@ bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface, EGLImageKHR wlr_egl_create_image_from_wl_drm(struct wlr_egl *egl, struct wl_resource *data, EGLint *fmt, int *width, int *height, bool *inverted_y) { - if (!egl->egl_exts.bind_wayland_display || !egl->egl_exts.image_base) { + if (!egl->exts.bind_wayland_display || !egl->exts.image_base) { return NULL; } @@ -379,13 +376,13 @@ EGLImageKHR wlr_egl_create_image_from_wl_drm(struct wlr_egl *egl, EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl, struct wlr_dmabuf_attributes *attributes) { - if (!egl->egl_exts.image_base) { + if (!egl->exts.image_base) { return NULL; } bool has_modifier = false; if (attributes->modifier != DRM_FORMAT_MOD_INVALID) { - if (!egl->egl_exts.dmabuf_import_modifiers) { + if (!egl->exts.dmabuf_import_modifiers) { return NULL; } has_modifier = true; @@ -457,8 +454,8 @@ EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl, int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int **formats) { - if (!egl->egl_exts.dmabuf_import || - !egl->egl_exts.dmabuf_import_modifiers) { + if (!egl->exts.dmabuf_import || + !egl->exts.dmabuf_import_modifiers) { wlr_log(L_DEBUG, "dmabuf extension not present"); return -1; } @@ -485,8 +482,8 @@ int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl, int format, uint64_t **modifiers) { - if (!egl->egl_exts.dmabuf_import || - !egl->egl_exts.dmabuf_import_modifiers) { + if (!egl->exts.dmabuf_import || + !egl->exts.dmabuf_import_modifiers) { wlr_log(L_DEBUG, "dmabuf extension not present"); return -1; } diff --git a/render/gles2/texture.c b/render/gles2/texture.c index 89a175c4..ca1398e8 100644 --- a/render/gles2/texture.c +++ b/render/gles2/texture.c @@ -210,7 +210,7 @@ struct wlr_texture *wlr_gles2_texture_from_dmabuf(struct wlr_egl *egl, return NULL; } - if (!egl->egl_exts.dmabuf_import) { + if (!egl->exts.dmabuf_import) { wlr_log(L_ERROR, "Cannot create DMA-BUF texture: EGL extension " "unavailable"); return NULL;