Revert "evas/gl: improve the rendering quality."

This reverts commit 5e18223f67a62ad752c3aac16ed23e390a9e0fe4.

Conflicts:

	src/modules/evas/engines/gl_common/evas_gl_context.c

we've got a side effect(another quality issue) of the patch. so revert it.

diff --git a/src/modules/evas/engines/gl_common/evas_gl_context.c b/src/modules/evas/engines/gl_common/evas_gl_context.c
index 6d788ce..c607571 100644 (file)
--- a/src/modules/evas/engines/gl_common/evas_gl_context.c
+++ b/src/modules/evas/engines/gl_common/evas_gl_context.c
@@ -1858,19 +1858,6 @@ evas_gl_common_context_image_push(Evas_Engine_GL_Context *gc,
         ty2 = ((double)(offsety) + sy + sh) / (double)pt->h;
      }
 
-   /* To avoid texture bleeding in the texture atlas,
-      we adjust texture uv point as much as a half uv point.
-      Especially, This improves the rendering quality when the image has the
-      border area. */
-   if (smooth)
-     {
-        GLfloat txhu, txhv;   //texture uv half point
-        txhu = (0.5f * (tx2 - tx1)) / (GLfloat) sw;
-        txhv = (0.5f * (ty2 - ty1)) / (GLfloat) sh;
-        tx1 += txhu; tx2 -= txhu;
-        ty1 += txhv; ty2 -= txhv;
-     }
-
    PUSH_VERTEX(pn, x    , y    , 0);
    PUSH_VERTEX(pn, x + w, y    , 0);
    PUSH_VERTEX(pn, x    , y + h, 0);