Mesa (r6xx-rewrite): Remove subpixel offset from viewport
Alex Deucher
agd5f at kemper.freedesktop.org
Fri May 29 17:38:00 UTC 2009
Module: Mesa
Branch: r6xx-rewrite
Commit: 9b10d19d4a3820958c4bd7d5c8fb7eaf1ef3fce0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9b10d19d4a3820958c4bd7d5c8fb7eaf1ef3fce0
Author: Alex Deucher <alexdeucher at gmail.com>
Date: Fri May 29 10:04:03 2009 -0400
Remove subpixel offset from viewport
remove subpixel offset inherited from r100 code.
based on 038f0bf5916df5bae1145d234589e5fd528bb7fa
---
src/mesa/drivers/dri/r600/r700_state.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c
index d455801..e3e78df 100644
--- 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;
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