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backend/headless: use FBOs instead of pbuffers

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Simon Ser 2020-03-10 17:07:49 +01:00 • committed by Drew DeVault
parent 5dc3a9c754
commit 40513f1a0e
3 changed files with 86 additions and 33 deletions
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27
backend/headless/backend.c
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@ -1,9 +1,10 @@
#include <assert.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <stdlib.h>
#include <wlr/interfaces/wlr_input_device.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/render/egl.h>
#include <wlr/render/gles2.h>
#include <wlr/util/log.h>
#include "backend/headless.h"
#include "util/signal.h"
@ -100,9 +101,8 @@ struct wlr_backend *wlr_headless_backend_create(struct wl_display *display,
wl_list_init(&backend->input_devices);
static const EGLint config_attribs[] = {
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_SURFACE_TYPE, 0,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_ALPHA_SIZE, 0,
EGL_BLUE_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_RED_SIZE, 1,
@ -118,14 +118,31 @@ struct wlr_backend *wlr_headless_backend_create(struct wl_display *display,
(EGLint*)config_attribs, 0);
if (!backend->renderer) {
wlr_log(WLR_ERROR, "Failed to create renderer");
free(backend);
return NULL;
goto error_backend;
}
if (wlr_gles2_renderer_check_ext(backend->renderer, "GL_OES_rgb8_rgba8") ||
wlr_gles2_renderer_check_ext(backend->renderer,
"GL_OES_required_internalformat") ||
wlr_gles2_renderer_check_ext(backend->renderer, "GL_ARM_rgba8")) {
backend->internal_format = GL_RGBA8_OES;
} else {
wlr_log(WLR_INFO, "GL_RGBA8_OES not supported, "
"falling back to GL_RGBA4 internal format "
"(performance may be affected)");
backend->internal_format = GL_RGBA4;
}
backend->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &backend->display_destroy);
return &backend->backend;
error_renderer:
wlr_renderer_destroy(backend->renderer);
error_backend:
free(backend);
return NULL;
}
bool wlr_backend_is_headless(struct wlr_backend *backend) {