Remove subpixel offset from viewport

remove subpixel offset inherited from r100 code.
based on 038f0bf5916df5bae1145d234589e5fd528bb7fa

diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c
index d45580178da7d62ede5222f9c0e3d75a4cdf8ab9..e3e78df16c2e3a4a0b142311a42ae25f24fac7dd 100644 (file)
--- a/src/mesa/drivers/dri/r600/r700_state.c
+++ b/src/mesa/drivers/dri/r600/r700_state.c
@@ -482,9 +482,6 @@ static void r700StencilOpSeparate(GLcontext * ctx, GLenum face,
 {
 }
 
-#define SUBPIXEL_X 0.125
-#define SUBPIXEL_Y 0.125
-
 static void r700Viewport(GLcontext * ctx, 
                          GLint x, 
                          GLint y,
@@ -520,9 +517,9 @@ static void r700Viewport(GLcontext * ctx,
     }
 
     sx = v[MAT_SX];
-       tx = v[MAT_TX] + xoffset + SUBPIXEL_X;
+       tx = v[MAT_TX] + xoffset;
        sy = -v[MAT_SY];
-       ty = (-v[MAT_TY]) + yoffset + SUBPIXEL_Y;
+       ty = (-v[MAT_TY]) + yoffset;
        sz = v[MAT_SZ] * scale;
        tz = v[MAT_TZ] * scale;