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winsys: Check for KHR_swap_buffers_with_damage

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Previously, we would only check for EXT_swap_buffers_with_damage which
generally will find an implementation. However, some EGL implementations
do not appear to support that naming of the extension, preferring to
only advertise KHR_swap_buffers_with_damage.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2316>
This commit is contained in:
Christian Hergert 2022-03-03 00:30:56 -08:00 committed by Marge Bot
parent 3c9622bea9
commit 858f89084e
2 changed files with 32 additions and 7 deletions
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24
cogl/cogl/winsys/cogl-onscreen-egl.c
View file

@ -36,6 +36,9 @@
typedef struct _CoglOnscreenEglPrivate
{
EGLSurface egl_surface;
/* Can use PFNEGLSWAPBUFFERSWITHDAMAGEKHRPROC (or the EXT variant) */
EGLBoolean (*pf_eglSwapBuffersWithDamage) (EGLDisplay, EGLSurface, const EGLint *, EGLint);
} CoglOnscreenEglPrivate;
G_DEFINE_TYPE_WITH_PRIVATE (CoglOnscreenEgl, cogl_onscreen_egl,
@ -143,6 +146,17 @@ bind_onscreen_with_context (CoglOnscreen *onscreen,
CoglRenderer *renderer = context->display->renderer;
CoglRendererEGL *egl_renderer = renderer->winsys;
if (egl_renderer->pf_eglSwapBuffersWithDamageKHR)
{
priv->pf_eglSwapBuffersWithDamage =
egl_renderer->pf_eglSwapBuffersWithDamageKHR;
}
else
{
priv->pf_eglSwapBuffersWithDamage =
egl_renderer->pf_eglSwapBuffersWithDamageEXT;
}
eglSwapInterval (egl_renderer->edpy, 1);
}
}
@ -310,7 +324,7 @@ cogl_onscreen_egl_swap_buffers_with_damage (CoglOnscreen *onscreen,
cogl_framebuffer_create_timestamp_query (COGL_FRAMEBUFFER (onscreen));
}
if (n_rectangles && egl_renderer->pf_eglSwapBuffersWithDamage)
if (n_rectangles && priv->pf_eglSwapBuffersWithDamage)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
size_t size = n_rectangles * sizeof (int) * 4;
@ -327,10 +341,10 @@ cogl_onscreen_egl_swap_buffers_with_damage (CoglOnscreen *onscreen,
cogl_framebuffer_get_height (framebuffer) - rect[1] - rect[3];
}
if (egl_renderer->pf_eglSwapBuffersWithDamage (egl_renderer->edpy,
priv->egl_surface,
flipped,
n_rectangles) == EGL_FALSE)
if (priv->pf_eglSwapBuffersWithDamage (egl_renderer->edpy,
priv->egl_surface,
flipped,
n_rectangles) == EGL_FALSE)
g_warning ("Error reported by eglSwapBuffersWithDamage");
}
else

15
cogl/cogl/winsys/cogl-winsys-egl-feature-functions.h
View file

@ -105,11 +105,22 @@ COGL_WINSYS_FEATURE_BEGIN (buffer_age,
COGL_EGL_WINSYS_FEATURE_BUFFER_AGE)
COGL_WINSYS_FEATURE_END ()
COGL_WINSYS_FEATURE_BEGIN (swap_buffers_with_damage,
COGL_WINSYS_FEATURE_BEGIN (KHR_swap_buffers_with_damage,
"KHR\0",
"swap_buffers_with_damage\0",
0)
COGL_WINSYS_FEATURE_FUNCTION (EGLBoolean, eglSwapBuffersWithDamageKHR,
(EGLDisplay dpy,
EGLSurface surface,
const EGLint *rects,
EGLint n_rects))
COGL_WINSYS_FEATURE_END ()
COGL_WINSYS_FEATURE_BEGIN (EXT_swap_buffers_with_damage,
"EXT\0",
"swap_buffers_with_damage\0",
0)
COGL_WINSYS_FEATURE_FUNCTION (EGLBoolean, eglSwapBuffersWithDamage,
COGL_WINSYS_FEATURE_FUNCTION (EGLBoolean, eglSwapBuffersWithDamageEXT,
(EGLDisplay dpy,
EGLSurface surface,
const EGLint *rects,