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simple-egl: add support for EGL_KHR_swap_buffers_with_damage

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Functionally identical to the EXT version of the extension.

v2: s/foo/swap_damage_ext_to_entrypoint/ (Eric, Daniel)
v3: do the above sed for real (Frank)

[daniels: Fixed signed vs. unsigned warning.]

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com> (v1)
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Emil Velikov 2016-11-14 17:27:14 +00:00 committed by Daniel Stone
parent 46dc9b440b
commit c77d30c516
1 changed files with 27 additions and 6 deletions
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33
clients/simple-egl.c
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@ -48,6 +48,7 @@
#include "protocol/ivi-application-client-protocol.h"
#define IVI_SURFACE_ID 9000
#include "shared/helpers.h"
#include "shared/platform.h"
#include "weston-egl-ext.h"
@ -125,6 +126,19 @@ static int running = 1;
static void
init_egl(struct display *display, struct window *window)
{
static const struct {
char *extension, *entrypoint;
} swap_damage_ext_to_entrypoint[] = {
{
.extension = "EGL_EXT_swap_buffers_with_damage",
.entrypoint = "eglSwapBuffersWithDamageEXT",
},
{
.extension = "EGL_KHR_swap_buffers_with_damage",
.entrypoint = "eglSwapBuffersWithDamageKHR",
},
};
static const EGLint context_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
@ -191,14 +205,21 @@ init_egl(struct display *display, struct window *window)
display->swap_buffers_with_damage = NULL;
extensions = eglQueryString(display->egl.dpy, EGL_EXTENSIONS);
if (extensions &&
weston_check_egl_extension(extensions, "EGL_EXT_swap_buffers_with_damage") &&
weston_check_egl_extension(extensions, "EGL_EXT_buffer_age"))
display->swap_buffers_with_damage =
(PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC)
eglGetProcAddress("eglSwapBuffersWithDamageEXT");
weston_check_egl_extension(extensions, "EGL_EXT_buffer_age")) {
for (i = 0; i < (int) ARRAY_LENGTH(swap_damage_ext_to_entrypoint); i++) {
if (weston_check_egl_extension(extensions,
swap_damage_ext_to_entrypoint[i].extension)) {
/* The EXTPROC is identical to the KHR one */
display->swap_buffers_with_damage =
(PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC)
eglGetProcAddress(swap_damage_ext_to_entrypoint[i].entrypoint);
break;
}
}
}
if (display->swap_buffers_with_damage)
printf("has EGL_EXT_buffer_age and EGL_EXT_swap_buffers_with_damage\n");
printf("has EGL_EXT_buffer_age and %s\n", swap_damage_ext_to_entrypoint[i].extension);
}