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egl: print supported dmabuf formats

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Useful for debugging dmabuf related problems e.g. when a client requests
a certain and we fail to support it.
This commit is contained in:
Guido Günther 2018-03-16 09:11:06 +01:00
parent 7d3c4c2450
commit 7fd7dff26f
1 changed files with 22 additions and 0 deletions
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22
render/egl.c
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@ -1,4 +1,5 @@
#include <assert.h>
#include <stdio.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
@ -101,6 +102,26 @@ static bool check_egl_ext(const char *egl_exts, const char *ext) {
return false;
}
static void print_dmabuf_formats(struct wlr_egl *egl) {
/* Avoid log msg if extension is not present */
if (!egl->egl_exts.dmabuf_import_modifiers) {
return;
}
int *formats;
int num = wlr_egl_get_dmabuf_formats(egl, &formats);
if (num < 0) {
return;
}
char str_formats[num * 5 + 1];
for (int i = 0; i < num; i++) {
snprintf(&str_formats[i*5], (num - i) * 5 + 1, "%.4s ", (char*)&formats[i]);
}
wlr_log(L_INFO, "Supported dmabuf buffer formats: %s", str_formats);
free(formats);
}
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
EGLint *config_attribs, EGLint visual_id) {
if (!load_glapi()) {
@ -172,6 +193,7 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
egl->egl_exts.dmabuf_import_modifiers =
check_egl_ext(egl->egl_exts_str, "EGL_EXT_image_dma_buf_import_modifiers")
&& eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT;
print_dmabuf_formats(egl);
return true;