diff options
| author | Fredrik Höglund <fredrik@kde.org> | 2011-12-14 21:24:11 +0100 |
|---|---|---|
| committer | Chia-I Wu <olv@lunarg.com> | 2011-12-20 17:09:06 +0800 |
| commit | 75772842133d101223ca31400e100b83476f327b (patch) | |
| tree | 362360f6f4e21399b51b3a3ff14e5adace2caba7 | |
| parent | 71b8fc9872077d30307329b27ffc135d2d460dc9 (diff) | |
st/egl: Add support for EGL_NV_post_sub_buffer
Signed-off-by: Fredrik Höglund <fredrik@kde.org>
[olv: remove #ifdef checks]
| -rw-r--r-- | src/gallium/state_trackers/egl/common/egl_g3d.c | 6 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/common/egl_g3d_api.c | 20 |
2 files changed, 24 insertions, 2 deletions
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.c b/src/gallium/state_trackers/egl/common/egl_g3d.c index 53811b8fc8..d147ad0026 100644 --- a/src/gallium/state_trackers/egl/common/egl_g3d.c +++ b/src/gallium/state_trackers/egl/common/egl_g3d.c @@ -606,11 +606,13 @@ egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy) dpy->Extensions.WL_bind_wayland_display = EGL_TRUE; #endif -#ifdef EGL_NOK_swap_region if (gdpy->native->get_param(gdpy->native, NATIVE_PARAM_PRESENT_REGION) && - gdpy->native->get_param(gdpy->native, NATIVE_PARAM_PRESERVE_BUFFER)) + gdpy->native->get_param(gdpy->native, NATIVE_PARAM_PRESERVE_BUFFER)) { +#ifdef EGL_NOK_swap_region dpy->Extensions.NOK_swap_region = EGL_TRUE; #endif + dpy->Extensions.NV_post_sub_buffer = EGL_TRUE; + } if (egl_g3d_add_configs(drv, dpy, 1) == 1) { _eglError(EGL_NOT_INITIALIZED, "eglInitialize(unable to add configs)"); diff --git a/src/gallium/state_trackers/egl/common/egl_g3d_api.c b/src/gallium/state_trackers/egl/common/egl_g3d_api.c index ed424f9fc1..606e7601f9 100644 --- a/src/gallium/state_trackers/egl/common/egl_g3d_api.c +++ b/src/gallium/state_trackers/egl/common/egl_g3d_api.c @@ -296,6 +296,14 @@ egl_g3d_create_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, gconf->stvis.buffer_mask & ST_ATTACHMENT_FRONT_LEFT_MASK) gsurf->stvis.render_buffer = ST_ATTACHMENT_FRONT_LEFT; + if (dpy->Extensions.NV_post_sub_buffer) { + if (gsurf->base.Type == EGL_WINDOW_BIT && + gsurf->base.RenderBuffer == EGL_BACK_BUFFER) + gsurf->base.PostSubBufferSupportedNV = EGL_TRUE; + else + gsurf->base.PostSubBufferSupportedNV = EGL_FALSE; + } + gsurf->stfbi = egl_g3d_create_st_framebuffer(&gsurf->base); if (!gsurf->stfbi) { nsurf->destroy(nsurf); @@ -602,6 +610,16 @@ egl_g3d_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf #endif /* EGL_NOK_swap_region */ static EGLBoolean +egl_g3d_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, + EGLint x, EGLint y, EGLint width, EGLint height) +{ + /* Note: y=0=bottom */ + const EGLint rect[4] = { x, surf->Height - y - height, width, height }; + + return swap_buffers(drv, dpy, surf, 1, rect, EGL_TRUE); +} + +static EGLBoolean egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLNativePixmapType target) { @@ -891,4 +909,6 @@ egl_g3d_init_driver_api(_EGLDriver *drv) #ifdef EGL_NOK_swap_region drv->API.SwapBuffersRegionNOK = egl_g3d_swap_buffers_region; #endif + + drv->API.PostSubBufferNV = egl_g3d_post_sub_buffer; } |