From: Stanislav Vorobiov <s.vorobiov@samsung.com>
Date: Tue, 5 Nov 2013 10:25:27 +0000 (+0400)
Subject: YaGL: Fix surface invalidation in onscreen backend
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.1~558
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bf10df307b1815ae98c8bc61cc731ed0e55d04a5;p=sdk%2Femulator%2Fqemu.git

YaGL: Fix surface invalidation in onscreen backend

We should always bind framebuffer zero before attaching
new texture/renderbuffer since current framebuffer might be
different from framebuffer zero

Change-Id: I797b9686473def2c85060a88ad7e9ae794070165
---

diff --git a/hw/yagl/yagl_backends/egl_onscreen/yagl_egl_onscreen_surface.c b/hw/yagl/yagl_backends/egl_onscreen/yagl_egl_onscreen_surface.c
index bd9f2c3534..911e22a6b7 100644
--- a/hw/yagl/yagl_backends/egl_onscreen/yagl_egl_onscreen_surface.c
+++ b/hw/yagl/yagl_backends/egl_onscreen/yagl_egl_onscreen_surface.c
@@ -79,8 +79,20 @@ static void yagl_egl_onscreen_surface_invalidate(struct yagl_eglb_surface *sfc,
     osfc->ws_sfc = ws_sfc;
 
     if (egl_onscreen_ts->sfc_draw == osfc) {
+        GLuint cur_fb = 0;
+
         yagl_egl_onscreen_surface_setup(osfc);
+
+        egl_onscreen->gles_driver->GetIntegerv(GL_FRAMEBUFFER_BINDING,
+                                               (GLint*)&cur_fb);
+
+        egl_onscreen->gles_driver->BindFramebuffer(GL_FRAMEBUFFER,
+                                                   egl_onscreen_ts->ctx->fb);
+
         yagl_egl_onscreen_surface_attach_to_framebuffer(osfc);
+
+        egl_onscreen->gles_driver->BindFramebuffer(GL_FRAMEBUFFER,
+                                                   cur_fb);
     }
 
     YAGL_LOG_FUNC_EXIT(NULL);