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cogl-winsys-egl: Log the color depth in use

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Enable it with environment `COGL_DEBUG=winsys`.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1387
This commit is contained in:
Daniel van Vugt 2020-07-29 16:39:32 +08:00 committed by Jonas Ådahl
parent d2f8a30625
commit 0501d3020e
1 changed files with 41 additions and 0 deletions
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41
cogl/cogl/winsys/cogl-winsys-egl.c
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@ -309,6 +309,45 @@ cleanup_context (CoglDisplay *display)
egl_renderer->platform_vtable->cleanup_context (display); egl_renderer->platform_vtable->cleanup_context (display);
} }
static void
print_attribs (EGLDisplay egl_display,
EGLConfig egl_config)
{
const EGLint names[] =
{
EGL_BUFFER_SIZE,
EGL_RED_SIZE,
EGL_GREEN_SIZE,
EGL_BLUE_SIZE,
EGL_ALPHA_SIZE,
};
struct
{
EGLint buffer_size;
EGLint red_size;
EGLint green_size;
EGLint blue_size;
EGLint alpha_size;
} values;
int i;
for (i = 0; i < G_N_ELEMENTS (names); i++)
{
if (!eglGetConfigAttrib (egl_display,
egl_config,
names[i],
(EGLint *) &values + i))
((EGLint *) &values)[i] = -1;
}
COGL_NOTE (WINSYS, "EGL color depth is %d-bit (R:G:B:A = %d:%d:%d:%d)",
(int) values.buffer_size,
(int) values.red_size,
(int) values.green_size,
(int) values.blue_size,
(int) values.alpha_size);
}
static gboolean static gboolean
try_create_context (CoglDisplay *display, try_create_context (CoglDisplay *display,
GError **error) GError **error)
@ -415,6 +454,8 @@ try_create_context (CoglDisplay *display,
!egl_renderer->platform_vtable->context_created (display, error)) !egl_renderer->platform_vtable->context_created (display, error))
return FALSE; return FALSE;
print_attribs (egl_renderer->edpy, config);
return TRUE; return TRUE;
fail: fail: