Mesa (master): mesa: Replace CLAMP_SELF() macro with more obvious CLAMP() usage.
Eric Anholt
anholt at kemper.freedesktop.org
Tue Dec 22 22:21:03 UTC 2009
Module: Mesa
Branch: master
Commit: d203dbc73d3b036937e0404b580fb04d23e10652
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d203dbc73d3b036937e0404b580fb04d23e10652
Author: Eric Anholt <eric at anholt.net>
Date: Tue Dec 22 11:04:32 2009 -0800
mesa: Replace CLAMP_SELF() macro with more obvious CLAMP() usage.
The same code is generated, and readers and static analyzers are
happier.
---
src/mesa/drivers/dri/i915/i830_state.c | 4 ++--
src/mesa/drivers/dri/i915/i915_state.c | 4 ++--
src/mesa/drivers/glide/fxddtex.c | 5 +++--
src/mesa/main/macros.h | 6 ------
4 files changed, 7 insertions(+), 12 deletions(-)
diff --git a/src/mesa/drivers/dri/i915/i830_state.c b/src/mesa/drivers/dri/i915/i830_state.c
index 645ebe3..acda7e7 100644
--- a/src/mesa/drivers/dri/i915/i830_state.c
+++ b/src/mesa/drivers/dri/i915/i830_state.c
@@ -620,7 +620,7 @@ i830LineWidth(GLcontext * ctx, GLfloat widthf)
DBG("%s\n", __FUNCTION__);
width = (int) (widthf * 2);
- CLAMP_SELF(width, 1, 15);
+ width = CLAMP(width, 1, 15);
state5 = i830->state.Ctx[I830_CTXREG_STATE5] & ~FIXED_LINE_WIDTH_MASK;
state5 |= (ENABLE_FIXED_LINE_WIDTH | FIXED_LINE_WIDTH(width));
@@ -639,7 +639,7 @@ i830PointSize(GLcontext * ctx, GLfloat size)
DBG("%s\n", __FUNCTION__);
- CLAMP_SELF(point_size, 1, 256);
+ point_size = CLAMP(point_size, 1, 256);
I830_STATECHANGE(i830, I830_UPLOAD_CTX);
i830->state.Ctx[I830_CTXREG_STATE5] &= ~FIXED_POINT_WIDTH_MASK;
i830->state.Ctx[I830_CTXREG_STATE5] |= (ENABLE_FIXED_POINT_WIDTH |
diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c
index cc98d12..9d7a9e1 100644
--- a/src/mesa/drivers/dri/i915/i915_state.c
+++ b/src/mesa/drivers/dri/i915/i915_state.c
@@ -571,7 +571,7 @@ i915LineWidth(GLcontext * ctx, GLfloat widthf)
DBG("%s\n", __FUNCTION__);
width = (int) (widthf * 2);
- CLAMP_SELF(width, 1, 0xf);
+ width = CLAMP(width, 1, 0xf);
lis4 |= width << S4_LINE_WIDTH_SHIFT;
if (lis4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
@@ -589,7 +589,7 @@ i915PointSize(GLcontext * ctx, GLfloat size)
DBG("%s\n", __FUNCTION__);
- CLAMP_SELF(point_size, 1, 255);
+ point_size = CLAMP(point_size, 1, 255);
lis4 |= point_size << S4_POINT_WIDTH_SHIFT;
if (lis4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
diff --git a/src/mesa/drivers/glide/fxddtex.c b/src/mesa/drivers/glide/fxddtex.c
index a863b02..9dd4f1e 100644
--- a/src/mesa/drivers/glide/fxddtex.c
+++ b/src/mesa/drivers/glide/fxddtex.c
@@ -275,8 +275,9 @@ fxDDTexEnv(GLcontext * ctx, GLenum target, GLenum pname,
/* apply any lod biasing right now */
if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
GLfloat bias = *param;
- CLAMP_SELF(bias, -ctx->Const.MaxTextureLodBias,
- ctx->Const.MaxTextureLodBias - 0.25);
+ bias = CLAMP(bias,
+ -ctx->Const.MaxTextureLodBias,
+ ctx->Const.MaxTextureLodBias - 0.25);
grTexLodBiasValue(GR_TMU0, bias);
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index f0ea463..55578ad 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -626,12 +626,6 @@ do { \
/** Clamp X to [MIN,MAX] */
#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) )
-/** Assign X to CLAMP(X, MIN, MAX) */
-#define CLAMP_SELF(x, mn, mx) \
- ( (x)<(mn) ? ((x) = (mn)) : ((x)>(mx) ? ((x)=(mx)) : (x)) )
-
-
-
/** Minimum of two values: */
#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) )
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