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Refactor wlr_egl_init to accept config_attribs

This commit is contained in:
emersion 2017-12-17 23:51:04 +01:00
parent bc5bdb7793
commit b99d1f4fcc
No known key found for this signature in database
GPG Key ID: 0FDE7BE0E88F5E48
6 changed files with 36 additions and 106 deletions
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4
backend/drm/renderer.c
View File

@ -24,8 +24,8 @@ bool wlr_drm_renderer_init(struct wlr_drm_backend *drm,
return false;
}
if (!wlr_egl_init(&renderer->egl, EGL_PLATFORM_GBM_MESA,
GBM_FORMAT_ARGB8888, renderer->gbm)) {
if (!wlr_egl_init(&renderer->egl, EGL_PLATFORM_GBM_MESA, renderer->gbm,
NULL, GBM_FORMAT_ARGB8888)) {
goto error_gbm;
}

108
backend/headless/backend.c
View File

@ -73,98 +73,6 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
backend_destroy(&backend->backend);
}
static bool egl_get_config(EGLDisplay disp, EGLConfig *out) {
EGLint count = 0, matched = 0, ret;
ret = eglGetConfigs(disp, NULL, 0, &count);
if (ret == EGL_FALSE || count == 0) {
wlr_log(L_ERROR, "eglGetConfigs returned no configs");
return false;
}
EGLConfig configs[count];
static const EGLint attribs[] = {
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_ALPHA_SIZE, 0,
EGL_BLUE_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_RED_SIZE, 8,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE,
};
ret = eglChooseConfig(disp, attribs, configs, count, &matched);
if (ret == EGL_FALSE) {
wlr_log(L_ERROR, "eglChooseConfig failed");
return false;
}
// TODO
*out = configs[0];
return true;
}
static bool egl_init(struct wlr_egl *egl) {
if (!load_glapi()) {
return false;
}
if (eglBindAPI(EGL_OPENGL_ES_API) == EGL_FALSE) {
wlr_log(L_ERROR, "Failed to bind to the OpenGL ES API: %s", egl_error());
goto error;
}
egl->display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (egl->display == EGL_NO_DISPLAY) {
wlr_log(L_ERROR, "Failed to create EGL display: %s", egl_error());
goto error;
}
EGLint major, minor;
if (eglInitialize(egl->display, &major, &minor) == EGL_FALSE) {
wlr_log(L_ERROR, "Failed to initialize EGL: %s", egl_error());
goto error;
}
if (!egl_get_config(egl->display, &egl->config)) {
wlr_log(L_ERROR, "Failed to get EGL config");
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: %s", egl_error());
goto error;
}
eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context);
egl->egl_exts = eglQueryString(egl->display, EGL_EXTENSIONS);
if (strstr(egl->egl_exts, "EGL_KHR_image_base") == NULL) {
wlr_log(L_ERROR, "Required egl extensions not supported");
goto error;
}
egl->gl_exts = (const char*) glGetString(GL_EXTENSIONS);
wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor);
wlr_log(L_INFO, "Using %s", glGetString(GL_VERSION));
wlr_log(L_INFO, "Supported EGL extensions: %s", egl->egl_exts);
wlr_log(L_INFO, "Supported OpenGL ES extensions: %s", egl->gl_exts);
return true;
error:
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglTerminate(egl->display);
eglReleaseThread();
return false;
}
struct wlr_backend *wlr_headless_backend_create(struct wl_display *display) {
wlr_log(L_INFO, "Creating headless backend");
@ -179,7 +87,21 @@ struct wlr_backend *wlr_headless_backend_create(struct wl_display *display) {
wl_list_init(&backend->outputs);
wl_list_init(&backend->input_devices);
egl_init(&backend->egl);
static const EGLint config_attribs[] = {
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_ALPHA_SIZE, 0,
EGL_BLUE_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_RED_SIZE, 8,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE,
};
bool ok = wlr_egl_init(&backend->egl, EGL_PLATFORM_SURFACELESS_MESA, NULL,
(EGLint *)config_attribs, 0);
if (!ok) {
free(backend);
return NULL;
}
backend->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &backend->display_destroy);

2
backend/wayland/backend.c
View File

@ -185,7 +185,7 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display) {
}
wlr_egl_init(&backend->egl, EGL_PLATFORM_WAYLAND_EXT,
WL_SHM_FORMAT_ARGB8888, backend->remote_display);
backend->remote_display, NULL, WL_SHM_FORMAT_ARGB8888);
wlr_egl_bind_display(&backend->egl, backend->local_display);
backend->local_display_destroy.notify = handle_display_destroy;

4
backend/x11/backend.c
View File

@ -311,8 +311,8 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
x11->screen = xcb_setup_roots_iterator(xcb_get_setup(x11->xcb_conn)).data;
if (!wlr_egl_init(&x11->egl, EGL_PLATFORM_X11_KHR,
x11->screen->root_visual, x11->xlib_conn)) {
if (!wlr_egl_init(&x11->egl, EGL_PLATFORM_X11_KHR, x11->xlib_conn, NULL,
x11->screen->root_visual)) {
goto error_event;
}

3
include/wlr/render/egl.h
View File

@ -22,7 +22,8 @@ struct wlr_egl {
* Initializes an egl context for the given platform and remote display.
* Will attempt to load all possibly required api functions.
*/
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, EGLint visual_id, void *display);
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
EGLint *config_attribs, EGLint visual_id);
/**
* Frees all related egl resources, makes the context not-current and

21
render/egl.c
View File

@ -1,3 +1,4 @@
#include <assert.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
@ -47,7 +48,8 @@ const char *egl_error(void) {
}
}
static bool egl_get_config(EGLDisplay disp, EGLConfig *out, EGLint visual_id) {
static bool egl_get_config(EGLDisplay disp, EGLint *attribs, EGLConfig *out,
EGLint visual_id) {
EGLint count = 0, matched = 0, ret;
ret = eglGetConfigs(disp, NULL, 0, &count);
@ -58,7 +60,7 @@ static bool egl_get_config(EGLDisplay disp, EGLConfig *out, EGLint visual_id) {
EGLConfig configs[count];
ret = eglChooseConfig(disp, NULL, configs, count, &matched);
ret = eglChooseConfig(disp, attribs, configs, count, &matched);
if (ret == EGL_FALSE) {
wlr_log(L_ERROR, "eglChooseConfig failed");
return false;
@ -71,7 +73,7 @@ static bool egl_get_config(EGLDisplay disp, EGLConfig *out, EGLint visual_id) {
continue;
}
if (visual == visual_id) {
if (!visual_id || visual == visual_id) {
*out = configs[i];
return true;
}
@ -81,8 +83,8 @@ static bool egl_get_config(EGLDisplay disp, EGLConfig *out, EGLint visual_id) {
return false;
}
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, EGLint visual_id,
void *remote_display) {
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
EGLint *config_attribs, EGLint visual_id) {
if (!load_glapi()) {
return false;
}
@ -92,7 +94,12 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, EGLint visual_id,
goto error;
}
egl->display = eglGetPlatformDisplayEXT(platform, remote_display, NULL);
if (platform == EGL_PLATFORM_SURFACELESS_MESA) {
assert(remote_display == NULL);
egl->display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
} else {
egl->display = eglGetPlatformDisplayEXT(platform, remote_display, NULL);
}
if (egl->display == EGL_NO_DISPLAY) {
wlr_log(L_ERROR, "Failed to create EGL display: %s", egl_error());
goto error;
@ -104,7 +111,7 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, EGLint visual_id,
goto error;
}
if (!egl_get_config(egl->display, &egl->config, visual_id)) {
if (!egl_get_config(egl->display, config_attribs, &egl->config, visual_id)) {
wlr_log(L_ERROR, "Failed to get EGL config");
goto error;
}