From f8c324268223611ce7d14c4109faed4ab0eb3798 Mon Sep 17 00:00:00 2001 From: Robert Bragg Date: Fri, 10 Feb 2012 16:59:31 +0000 Subject: [PATCH] egl/wayland: Implement EGL_EXT_swap_buffers_with_damage MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Eric Anholt Reviewed-by: Kristian Høgsberg --- src/egl/drivers/dri2/platform_wayland.c | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c index 8e4b3ce..b5523be 100644 --- a/src/egl/drivers/dri2/platform_wayland.c +++ b/src/egl/drivers/dri2/platform_wayland.c @@ -495,7 +495,11 @@ create_wl_buffer(struct dri2_egl_surface *dri2_surf) * Called via eglSwapBuffers(), drv->API.SwapBuffers(). */ static EGLBoolean -dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) +dri2_swap_buffers_with_damage(_EGLDriver *drv, + _EGLDisplay *disp, + _EGLSurface *draw, + const EGLint *rects, + EGLint n_rects) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); @@ -540,8 +544,18 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) dri2_surf->dx = 0; dri2_surf->dy = 0; - wl_surface_damage(dri2_surf->wl_win->surface, 0, 0, - dri2_surf->base.Width, dri2_surf->base.Height); + if (n_rects == 0) { + wl_surface_damage(dri2_surf->wl_win->surface, 0, 0, + dri2_surf->base.Width, dri2_surf->base.Height); + } else { + for (i = 0; i < n_rects; i++) { + const int *rect = &rects[i * 4]; + wl_surface_damage(dri2_surf->wl_win->surface, + rect[0], + dri2_surf->base.Height - rect[1] - rect[3], + rect[2], rect[3]); + } + } wl_surface_commit(dri2_surf->wl_win->surface); @@ -566,6 +580,12 @@ dri2_query_buffer_age(_EGLDriver *drv, return dri2_surf->back->age; } +static EGLBoolean +dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) +{ + return dri2_swap_buffers_with_damage (drv, disp, draw, NULL, 0); +} + static int dri2_wayland_authenticate(_EGLDisplay *disp, uint32_t id) { @@ -713,6 +733,7 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) drv->API.CreateWindowSurface = dri2_create_window_surface; drv->API.DestroySurface = dri2_destroy_surface; drv->API.SwapBuffers = dri2_swap_buffers; + drv->API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage; drv->API.Terminate = dri2_terminate; drv->API.QueryBufferAge = dri2_query_buffer_age; @@ -795,6 +816,8 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) disp->Extensions.EXT_buffer_age = EGL_TRUE; dri2_dpy->authenticate = dri2_wayland_authenticate; + disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE; + /* we're supporting EGL 1.4 */ disp->VersionMajor = 1; disp->VersionMinor = 4; -- 2.7.4