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Swap buffers with damage

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emersion 2018-02-09 22:54:14 +01:00
parent 34489dca16
commit bf6d245400
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GPG key ID: 0FDE7BE0E88F5E48
11 changed files with 80 additions and 33 deletions
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39
render/egl.c
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@ -1,8 +1,8 @@
#include <assert.h>
#include <stdlib.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
#include <stdlib.h>
#include <wlr/util/log.h>
#include <wlr/render/egl.h>
#include "glapi.h"
@ -143,6 +143,9 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
egl->egl_exts.buffer_age =
strstr(egl->egl_exts_str, "EGL_EXT_buffer_age") != NULL;
egl->egl_exts.swap_buffers_with_damage =
strstr(egl->egl_exts_str, "EGL_EXT_swap_buffers_with_damage") != NULL ||
strstr(egl->egl_exts_str, "EGL_KHR_swap_buffers_with_damage") != NULL;
return true;
@ -242,3 +245,37 @@ bool wlr_egl_make_current(struct wlr_egl *egl, EGLSurface surface,
}
return true;
}
bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
pixman_region32_t *damage) {
EGLBoolean ret;
if (damage != NULL && egl->egl_exts.swap_buffers_with_damage) {
int nrects;
pixman_box32_t *rects =
pixman_region32_rectangles(damage, &nrects);
EGLint egl_damage[4 * nrects];
for (int i = 0; i < nrects; ++i) {
egl_damage[4*i] = rects[i].x1;
egl_damage[4*i + 1] = rects[i].y1;
egl_damage[4*i + 2] = rects[i].x2 - rects[i].x1;
egl_damage[4*i + 3] = rects[i].y2 - rects[i].y1;
}
assert(eglSwapBuffersWithDamageEXT || eglSwapBuffersWithDamageKHR);
if (eglSwapBuffersWithDamageEXT) {
ret = eglSwapBuffersWithDamageEXT(egl->display, surface, egl_damage,
nrects);
} else {
ret = eglSwapBuffersWithDamageKHR(egl->display, surface, egl_damage,
nrects);
}
} else {
ret = eglSwapBuffers(egl->display, surface);
}
if (!ret) {
wlr_log(L_ERROR, "eglSwapBuffers failed: %s", egl_error());
return false;
}
return true;
}

2
render/glapi.txt
View file

@ -6,3 +6,5 @@ eglCreatePlatformWindowSurfaceEXT
-eglBindWaylandDisplayWL
-eglUnbindWaylandDisplayWL
-glEGLImageTargetTexture2DOES
-eglSwapBuffersWithDamageEXT
-eglSwapBuffersWithDamageKHR