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#include "yagl_onscreen_display.h"
#include "yagl_log.h"
#include "yagl_malloc.h"
#include <sys/fcntl.h>
#include <stdio.h>
#include <stdlib.h>
struct yagl_onscreen_display
*yagl_onscreen_display_create(EGLNativeDisplayType display_id,
Display *x_dpy,
yagl_host_handle host_dpy)
{
struct yagl_onscreen_display *tmp_dpy;
struct yagl_onscreen_display *dpy = NULL;
int ret;
int event_base, error_base;
int dri_major, dri_minor;
char *dri_driver = NULL;
char *dri_device = NULL;
int drm_fd = -1;
drm_magic_t magic;
struct vigs_drm_device *drm_dev = NULL;
YAGL_LOG_FUNC_SET(eglGetDisplay);
tmp_dpy = yagl_malloc0(sizeof(*dpy));
yagl_display_init(&tmp_dpy->base, display_id, x_dpy, host_dpy);
if (!yagl_DRI2QueryExtension(x_dpy, &event_base, &error_base)) {
fprintf(stderr, "Critical error! Failed to DRI2QueryExtension on YaGL display, DRI2 not enabled ?\n");
goto out;
}
YAGL_LOG_TRACE("DRI2QueryExtension returned %d %d",
event_base, error_base);
if (!yagl_DRI2QueryVersion(x_dpy, &dri_major, &dri_minor)) {
fprintf(stderr, "Critical error! Failed to DRI2QueryVersion on YaGL display, DRI2 not enabled ?\n");
goto out;
}
YAGL_LOG_TRACE("DRI2QueryVersion returned %d %d",
dri_major, dri_minor);
if (!yagl_DRI2Connect(x_dpy,
RootWindow(x_dpy, DefaultScreen(x_dpy)),
&dri_driver,
&dri_device)) {
fprintf(stderr, "Critical error! Failed to DRI2Connect on YaGL display, DRI2 not enabled ?\n");
goto out;
}
YAGL_LOG_TRACE("DRI2Connect returned %s %s",
dri_driver, dri_device);
drm_fd = open(dri_device, O_RDWR);
if (drm_fd < 0) {
fprintf(stderr, "Critical error! Failed to open(\"%s\"): %s\n", dri_device, strerror(errno));
goto fail;
}
memset(&magic, 0, sizeof(magic));
ret = drmGetMagic(drm_fd, &magic);
if (ret != 0) {
fprintf(stderr, "Critical error! drmGetMagic failed: %s\n", strerror(-ret));
goto fail;
}
if (!yagl_DRI2Authenticate(x_dpy,
RootWindow(x_dpy, DefaultScreen(x_dpy)),
magic)) {
fprintf(stderr, "Critical error! Failed to DRI2Authenticate on YaGL display, DRI2 not enabled ?\n");
goto fail;
}
ret = vigs_drm_device_create(drm_fd, &drm_dev);
if (ret != 0) {
fprintf(stderr, "Critical error! vigs_drm_device_create failed: %s\n", strerror(-ret));
goto fail;
}
tmp_dpy->drm_fd = drm_fd;
tmp_dpy->drm_dev = drm_dev;
dpy = tmp_dpy;
tmp_dpy = NULL;
goto out;
fail:
if (drm_dev) {
vigs_drm_device_destroy(drm_dev);
}
if (drm_fd >= 0) {
close(drm_fd);
}
out:
if (dri_driver) {
Xfree(dri_driver);
}
if (dri_device) {
Xfree(dri_device);
}
if (tmp_dpy) {
yagl_display_cleanup(&tmp_dpy->base);
yagl_free(tmp_dpy);
}
return dpy;
}
struct yagl_onscreen_buffer
*yagl_onscreen_display_create_buffer(struct yagl_onscreen_display* dpy,
Drawable d,
unsigned int attachment,
uint32_t check_name)
{
int ret;
unsigned int attachments[1] =
{
attachment
};
yagl_DRI2Buffer *tmp_buffer;
int tmp_width, tmp_height, num_buffers;
struct vigs_drm_surface *drm_sfc;
struct yagl_onscreen_buffer *buffer;
YAGL_LOG_FUNC_ENTER(yagl_onscreen_display_create_buffer,
"dpy = %p, d = 0x%X, attachment = %u",
dpy,
d,
attachment);
tmp_buffer = yagl_DRI2GetBuffers(dpy->base.x_dpy, d,
&tmp_width, &tmp_height,
&attachments[0],
sizeof(attachments)/sizeof(attachments[0]),
&num_buffers);
if (!tmp_buffer) {
YAGL_LOG_ERROR("DRI2GetBuffers failed for drawable 0x%X", d);
YAGL_LOG_FUNC_EXIT(NULL);
return NULL;
}
if (tmp_buffer->name == check_name) {
Xfree(tmp_buffer);
YAGL_LOG_FUNC_EXIT(NULL);
return NULL;
}
ret = vigs_drm_surface_open(dpy->drm_dev, tmp_buffer->name, &drm_sfc);
if (ret != 0) {
YAGL_LOG_ERROR("vigs_drm_surface_open failed for drawable 0x%X: %s",
d,
strerror(-ret));
Xfree(tmp_buffer);
YAGL_LOG_FUNC_EXIT(NULL);
return NULL;
}
buffer = yagl_malloc0(sizeof(*buffer));
buffer->dri2_buffer = tmp_buffer;
buffer->drm_sfc = drm_sfc;
YAGL_LOG_FUNC_EXIT(NULL);
return buffer;
}
void yagl_onscreen_display_destroy_buffer(struct yagl_onscreen_buffer *buffer)
{
Xfree(buffer->dri2_buffer);
vigs_drm_gem_unref(&buffer->drm_sfc->gem);
yagl_free(buffer);
}
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