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backend/headless: switch to wlr_swapchain

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This commit is contained in:
Simon Ser 2020-08-22 17:24:16 +02:00
parent eb8360bda3
commit 61f8cdfb9e
3 changed files with 83 additions and 84 deletions
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54
backend/headless/backend.c
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@ -1,12 +1,18 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <drm_fourcc.h>
#include <stdlib.h>
#include <unistd.h>
#include <wlr/interfaces/wlr_input_device.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/render/egl.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/render/gles2.h>
#include <wlr/util/log.h>
#include <xf86drm.h>
#include "backend/headless.h"
#include "render/drm_format_set.h"
#include "render/gbm_allocator.h"
#include "util/signal.h"
struct wlr_headless_backend *headless_backend_from_backend(
@ -62,6 +68,8 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
wlr_signal_emit_safe(&wlr_backend->events.destroy, backend);
free(backend->format);
wlr_allocator_destroy(backend->allocator);
if (backend->egl == &backend->priv_egl) {
wlr_renderer_destroy(backend->renderer);
wlr_egl_finish(&backend->priv_egl);
@ -104,18 +112,40 @@ static bool backend_init(struct wlr_headless_backend *backend,
backend->renderer = renderer;
backend->egl = wlr_gles2_renderer_get_egl(renderer);
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;
int fd = wlr_renderer_get_drm_fd(renderer);
if (fd < 0) {
wlr_log(WLR_ERROR, "Failed to get DRM device FD from renderer");
return false;
}
fd = dup(fd);
if (fd < 0) {
wlr_log_errno(WLR_ERROR, "dup failed");
return false;
}
struct wlr_gbm_allocator *alloc = wlr_gbm_allocator_create(fd);
if (alloc == NULL) {
wlr_log(WLR_ERROR, "Failed to create GBM allocator");
return false;
}
backend->allocator = &alloc->base;
const struct wlr_drm_format_set *formats =
wlr_renderer_get_dmabuf_formats(backend->renderer);
if (formats == NULL) {
wlr_log(WLR_ERROR, "Failed to get available DMA-BUF formats from renderer");
return false;
}
// TODO: filter modifiers with external_only=false
const struct wlr_drm_format *format =
wlr_drm_format_set_get(formats, DRM_FORMAT_XRGB8888);
if (format == NULL) {
wlr_log(WLR_ERROR, "Renderer doesn't support XRGB8888");
return false;
}
backend->format = wlr_drm_format_dup(format);
backend->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &backend->display_destroy);