am ba43e0a1: Merge "SurfaceFlinger: remove all GLES scissor calls." into jb-dev

* commit 'ba43e0a1faee9629ca2d0beb53dd6c44bb9bfd05':
  SurfaceFlinger: remove all GLES scissor calls.
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index f4779e7..25e80d7 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -960,7 +960,6 @@
     glDisable(GL_TEXTURE_EXTERNAL_OES);
     glDisable(GL_TEXTURE_2D);
     glDisable(GL_BLEND);
-    glDisable(GL_SCISSOR_TEST);
 
     static int toggle = 0;
     toggle = 1 - toggle;
@@ -1819,7 +1818,6 @@
     // redraw the screen entirely...
     glDisable(GL_TEXTURE_EXTERNAL_OES);
     glDisable(GL_TEXTURE_2D);
-    glDisable(GL_SCISSOR_TEST);
     glClearColor(0,0,0,1);
     glClear(GL_COLOR_BUFFER_BIT);
     glMatrixMode(GL_MODELVIEW);
@@ -1835,7 +1833,6 @@
 
     // back to main framebuffer
     glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
-    glDisable(GL_SCISSOR_TEST);
     glDeleteFramebuffersOES(1, &name);
 
     *textureName = tname;
@@ -2048,7 +2045,6 @@
     glDeleteTextures(1, &tname);
     glDisable(GL_TEXTURE_2D);
     glDisable(GL_BLEND);
-    glDisable(GL_SCISSOR_TEST);
     return NO_ERROR;
 }
 
@@ -2200,7 +2196,6 @@
     glDeleteTextures(1, &tname);
     glDisable(GL_TEXTURE_2D);
     glDisable(GL_BLEND);
-    glDisable(GL_SCISSOR_TEST);
 
     return NO_ERROR;
 }
@@ -2228,7 +2223,6 @@
 
     // always clear the whole screen at the end of the animation
     glClearColor(0,0,0,1);
-    glDisable(GL_SCISSOR_TEST);
     glClear(GL_COLOR_BUFFER_BIT);
     hw.flip( Region(hw.bounds()) );
 
@@ -2366,7 +2360,6 @@
 
         // invert everything, b/c glReadPixel() below will invert the FB
         glViewport(0, 0, sw, sh);
-        glScissor(0, 0, sw, sh);
         glMatrixMode(GL_PROJECTION);
         glPushMatrix();
         glLoadIdentity();
@@ -2390,10 +2383,6 @@
             }
         }
 
-        // XXX: this is needed on tegra
-        glEnable(GL_SCISSOR_TEST);
-        glScissor(0, 0, sw, sh);
-
         // check for errors and return screen capture
         if (glGetError() != GL_NO_ERROR) {
             // error while rendering
@@ -2419,7 +2408,6 @@
                 result = NO_MEMORY;
             }
         }
-        glDisable(GL_SCISSOR_TEST);
         glViewport(0, 0, hw_w, hw_h);
         glMatrixMode(GL_PROJECTION);
         glPopMatrix();