From 75772842133d101223ca31400e100b83476f327b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Fredrik=20H=C3=B6glund?= Date: Wed, 14 Dec 2011 21:24:11 +0100 Subject: [PATCH] st/egl: Add support for EGL_NV_post_sub_buffer MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Fredrik Höglund [olv: remove #ifdef checks] --- .../state_trackers/egl/common/egl_g3d.c | 6 ++++-- .../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 53811b8fc88..d147ad00261 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 ed424f9fc11..606e7601f9a 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); @@ -601,6 +609,16 @@ 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; } -- 2.30.2