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Merge pull request #1028 from emersion/egl-context-priority

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Request a high priority EGL context
This commit is contained in:
emersion 2018-06-08 21:06:01 +01:00 committed by GitHub
commit 8770449eb7
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 97 additions and 57 deletions
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11
include/wlr/render/egl.h
View file

@ -16,12 +16,13 @@ struct wlr_egl {
const char *exts_str;
struct {
bool buffer_age;
bool swap_buffers_with_damage;
bool dmabuf_import;
bool dmabuf_import_modifiers;
bool bind_wayland_display;
} egl_exts;
bool buffer_age;
bool dmabuf_import_modifiers;
bool dmabuf_import;
bool image_base;
bool swap_buffers_with_damage;
} exts;
struct wl_display *wl_display;
};

141
render/egl.c
View file

@ -7,10 +7,6 @@
#include <wlr/util/log.h>
#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;
}
@ -144,43 +140,81 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
goto error;
}
static const EGLint attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
egl->context = eglCreateContext(egl->display, egl->config,
EGL_NO_CONTEXT, attribs);
if (egl->context == EGL_NO_CONTEXT) {
wlr_log(L_ERROR, "Failed to create EGL context");
goto error;
}
eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context);
egl->exts_str = eglQueryString(egl->display, EGL_EXTENSIONS);
wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor);
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");
egl->exts.image_base =
check_egl_ext(egl->exts_str, "EGL_KHR_image_base")
&& eglCreateImageKHR && eglDestroyImageKHR;
egl->exts.buffer_age =
check_egl_ext(egl->exts_str, "EGL_EXT_buffer_age");
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->exts.dmabuf_import =
check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import");
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->exts.bind_wayland_display =
check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display")
&& eglBindWaylandDisplayWL && eglUnbindWaylandDisplayWL
&& eglQueryWaylandBufferWL;
bool ext_context_priority =
check_egl_ext(egl->exts_str, "EGL_IMG_context_priority");
size_t atti = 0;
EGLint attribs[5];
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 (request_high_priority) {
attribs[atti++] = EGL_CONTEXT_PRIORITY_LEVEL_IMG;
attribs[atti++] = EGL_CONTEXT_PRIORITY_HIGH_IMG;
}
attribs[atti++] = EGL_NONE;
assert(atti < sizeof(attribs)/sizeof(attribs[0]));
egl->context = eglCreateContext(egl->display, egl->config,
EGL_NO_CONTEXT, attribs);
if (egl->context == EGL_NO_CONTEXT) {
wlr_log(L_ERROR, "Failed to create EGL context");
goto error;
}
egl->egl_exts.buffer_age =
check_egl_ext(egl->exts_str, "EGL_EXT_buffer_age");
egl->egl_exts.swap_buffers_with_damage =
check_egl_ext(egl->exts_str, "EGL_EXT_swap_buffers_with_damage") ||
check_egl_ext(egl->exts_str, "EGL_KHR_swap_buffers_with_damage");
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");
}
}
egl->egl_exts.dmabuf_import =
check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import");
egl->egl_exts.dmabuf_import_modifiers =
check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers")
&& eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT;
egl->egl_exts.bind_wayland_display =
check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display");
print_dmabuf_formats(egl);
if (!eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE,
egl->context)) {
wlr_log(L_ERROR, "Failed to make EGL context current");
goto error;
}
return true;
@ -199,7 +233,8 @@ void wlr_egl_finish(struct wlr_egl *egl) {
}
eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (egl->wl_display && egl->egl_exts.bind_wayland_display) {
if (egl->wl_display) {
assert(egl->exts.bind_wayland_display);
eglUnbindWaylandDisplayWL(egl->display, egl->wl_display);
}
@ -209,7 +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;
}
@ -222,7 +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 (!eglDestroyImageKHR) {
if (!egl->exts.image_base) {
return false;
}
if (!image) {
@ -243,7 +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;
}
@ -278,7 +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);
@ -312,7 +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 (!eglQueryWaylandBufferWL || !eglCreateImageKHR) {
if (!egl->exts.bind_wayland_display || !egl->exts.image_base) {
return NULL;
}
@ -341,9 +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->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;
@ -415,8 +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;
}
@ -443,8 +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;
}

2
render/gles2/texture.c
View file

@ -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;