mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-22 12:55:58 +01:00
backend/headless: use FBOs instead of pbuffers
This commit is contained in:
parent
5dc3a9c754
commit
40513f1a0e
3 changed files with 86 additions and 33 deletions
|
@ -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) {
|
||||
|
|
|
@ -1,4 +1,6 @@
|
|||
#include <assert.h>
|
||||
#include <GLES2/gl2.h>
|
||||
#include <GLES2/gl2ext.h>
|
||||
#include <stdlib.h>
|
||||
#include <wlr/interfaces/wlr_output.h>
|
||||
#include <wlr/render/wlr_renderer.h>
|
||||
|
@ -12,33 +14,59 @@ static struct wlr_headless_output *headless_output_from_output(
|
|||
return (struct wlr_headless_output *)wlr_output;
|
||||
}
|
||||
|
||||
static EGLSurface egl_create_surface(struct wlr_egl *egl, unsigned int width,
|
||||
unsigned int height) {
|
||||
EGLint attribs[] = {EGL_WIDTH, width, EGL_HEIGHT, height, EGL_NONE};
|
||||
|
||||
EGLSurface surf = eglCreatePbufferSurface(egl->display, egl->config, attribs);
|
||||
if (surf == EGL_NO_SURFACE) {
|
||||
wlr_log(WLR_ERROR, "Failed to create EGL surface");
|
||||
return EGL_NO_SURFACE;
|
||||
static bool create_fbo(struct wlr_headless_output *output,
|
||||
unsigned int width, unsigned int height) {
|
||||
if (!wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL)) {
|
||||
return false;
|
||||
}
|
||||
return surf;
|
||||
|
||||
GLuint rbo;
|
||||
glGenRenderbuffers(1, &rbo);
|
||||
glBindRenderbuffer(GL_RENDERBUFFER, rbo);
|
||||
glRenderbufferStorage(GL_RENDERBUFFER, output->backend->internal_format,
|
||||
width, height);
|
||||
glBindRenderbuffer(GL_RENDERBUFFER, 0);
|
||||
|
||||
GLuint fbo;
|
||||
glGenFramebuffers(1, &fbo);
|
||||
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
|
||||
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
||||
GL_RENDERBUFFER, rbo);
|
||||
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
||||
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
||||
|
||||
if (status != GL_FRAMEBUFFER_COMPLETE) {
|
||||
wlr_log(WLR_ERROR, "Failed to create FBO");
|
||||
return false;
|
||||
}
|
||||
|
||||
output->fbo = fbo;
|
||||
output->rbo = rbo;
|
||||
return true;
|
||||
}
|
||||
|
||||
static void destroy_fbo(struct wlr_headless_output *output) {
|
||||
if (!wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL)) {
|
||||
return;
|
||||
}
|
||||
|
||||
glDeleteFramebuffers(1, &output->fbo);
|
||||
glDeleteRenderbuffers(1, &output->rbo);
|
||||
output->fbo = 0;
|
||||
output->rbo = 0;
|
||||
}
|
||||
|
||||
static bool output_set_custom_mode(struct wlr_output *wlr_output, int32_t width,
|
||||
int32_t height, int32_t refresh) {
|
||||
struct wlr_headless_output *output =
|
||||
headless_output_from_output(wlr_output);
|
||||
struct wlr_headless_backend *backend = output->backend;
|
||||
|
||||
if (refresh <= 0) {
|
||||
refresh = HEADLESS_DEFAULT_REFRESH;
|
||||
}
|
||||
|
||||
wlr_egl_destroy_surface(&backend->egl, output->egl_surface);
|
||||
|
||||
output->egl_surface = egl_create_surface(&backend->egl, width, height);
|
||||
if (output->egl_surface == EGL_NO_SURFACE) {
|
||||
wlr_log(WLR_ERROR, "Failed to recreate EGL surface");
|
||||
destroy_fbo(output);
|
||||
if (!create_fbo(output, width, height)) {
|
||||
wlr_output_destroy(wlr_output);
|
||||
return false;
|
||||
}
|
||||
|
@ -53,8 +81,17 @@ static bool output_attach_render(struct wlr_output *wlr_output,
|
|||
int *buffer_age) {
|
||||
struct wlr_headless_output *output =
|
||||
headless_output_from_output(wlr_output);
|
||||
return wlr_egl_make_current(&output->backend->egl, output->egl_surface,
|
||||
buffer_age);
|
||||
|
||||
if (!wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
glBindFramebuffer(GL_FRAMEBUFFER, output->fbo);
|
||||
|
||||
if (buffer_age != NULL) {
|
||||
*buffer_age = 0; // We only have one buffer
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool output_test(struct wlr_output *wlr_output) {
|
||||
|
@ -88,11 +125,12 @@ static bool output_commit(struct wlr_output *wlr_output) {
|
|||
}
|
||||
|
||||
if (wlr_output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
||||
// Nothing needs to be done for pbuffers
|
||||
// Nothing needs to be done for FBOs
|
||||
wlr_output_send_present(wlr_output, NULL);
|
||||
}
|
||||
|
||||
wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL);
|
||||
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
@ -101,17 +139,15 @@ static void output_rollback(struct wlr_output *wlr_output) {
|
|||
struct wlr_headless_output *output =
|
||||
headless_output_from_output(wlr_output);
|
||||
wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL);
|
||||
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
||||
}
|
||||
|
||||
static void output_destroy(struct wlr_output *wlr_output) {
|
||||
struct wlr_headless_output *output =
|
||||
headless_output_from_output(wlr_output);
|
||||
|
||||
wl_list_remove(&output->link);
|
||||
|
||||
wl_event_source_remove(output->frame_timer);
|
||||
|
||||
wlr_egl_destroy_surface(&output->backend->egl, output->egl_surface);
|
||||
destroy_fbo(output);
|
||||
free(output);
|
||||
}
|
||||
|
||||
|
@ -149,9 +185,7 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
|
|||
backend->display);
|
||||
struct wlr_output *wlr_output = &output->wlr_output;
|
||||
|
||||
output->egl_surface = egl_create_surface(&backend->egl, width, height);
|
||||
if (output->egl_surface == EGL_NO_SURFACE) {
|
||||
wlr_log(WLR_ERROR, "Failed to create EGL surface");
|
||||
if (!create_fbo(output, width, height)) {
|
||||
goto error;
|
||||
}
|
||||
|
||||
|
@ -166,8 +200,7 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
|
|||
"Headless output %zd", backend->last_output_num);
|
||||
wlr_output_set_description(wlr_output, description);
|
||||
|
||||
if (!wlr_egl_make_current(&output->backend->egl, output->egl_surface,
|
||||
NULL)) {
|
||||
if (!output_attach_render(wlr_output, NULL)) {
|
||||
goto error;
|
||||
}
|
||||
|
||||
|
|
|
@ -3,6 +3,7 @@
|
|||
|
||||
#include <wlr/backend/headless.h>
|
||||
#include <wlr/backend/interface.h>
|
||||
#include <wlr/render/gles2.h>
|
||||
|
||||
#define HEADLESS_DEFAULT_REFRESH (60 * 1000) // 60 Hz
|
||||
|
||||
|
@ -16,6 +17,7 @@ struct wlr_headless_backend {
|
|||
struct wl_list input_devices;
|
||||
struct wl_listener display_destroy;
|
||||
bool started;
|
||||
GLenum internal_format;
|
||||
};
|
||||
|
||||
struct wlr_headless_output {
|
||||
|
@ -24,7 +26,8 @@ struct wlr_headless_output {
|
|||
struct wlr_headless_backend *backend;
|
||||
struct wl_list link;
|
||||
|
||||
void *egl_surface;
|
||||
GLuint fbo, rbo;
|
||||
|
||||
struct wl_event_source *frame_timer;
|
||||
int frame_delay; // ms
|
||||
};
|
||||
|
|
Loading…
Reference in a new issue