summaryrefslogtreecommitdiff
path: root/src/mesa/swrast/s_texcombine.c
diff options
context:
space:
mode:
authorBrian Paul <brianp@vmware.com>2009-03-09 21:20:25 -0600
committerBrian Paul <brianp@vmware.com>2009-04-01 20:24:22 -0600
commitaef2e1c1dcda77b6dc5fcfd2de7c9d720effa4e7 (patch)
tree6590391525b00152693b87ea26b68aa41ccd08a2 /src/mesa/swrast/s_texcombine.c
parentefe3d10aea305c89e66decfb5a9012feb7a4695c (diff)
swrast: minor improvements, clean-ups in texcombine code
Diffstat (limited to 'src/mesa/swrast/s_texcombine.c')
-rw-r--r--src/mesa/swrast/s_texcombine.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/src/mesa/swrast/s_texcombine.c b/src/mesa/swrast/s_texcombine.c
index f783f56add..550c99b7d2 100644
--- a/src/mesa/swrast/s_texcombine.c
+++ b/src/mesa/swrast/s_texcombine.c
@@ -189,15 +189,15 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
break;
case GL_SRC_ALPHA:
for (i = 0; i < n; i++) {
- dst[i][RCOMP] = src[i][ACOMP];
- dst[i][GCOMP] = src[i][ACOMP];
+ dst[i][RCOMP] =
+ dst[i][GCOMP] =
dst[i][BCOMP] = src[i][ACOMP];
}
break;
case GL_ONE_MINUS_SRC_ALPHA:
for (i = 0; i < n; i++) {
- dst[i][RCOMP] = 1.0F - src[i][ACOMP];
- dst[i][GCOMP] = 1.0F - src[i][ACOMP];
+ dst[i][RCOMP] =
+ dst[i][GCOMP] =
dst[i][BCOMP] = 1.0F - src[i][ACOMP];
}
break;
@@ -361,7 +361,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
(arg0[i][BCOMP] - 0.5F) * (arg1[i][BCOMP] - 0.5F))
* 4.0F;
dot = CLAMP(dot, 0.0F, 1.0F);
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = (GLfloat) dot;
+ rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = dot;
}
break;
case GL_DOT3_RGB:
@@ -373,7 +373,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
(arg0[i][BCOMP] - 0.5F) * (arg1[i][BCOMP] - 0.5F))
* 4.0F * scaleRGB;
dot = CLAMP(dot, 0.0, 1.0F);
- rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = (GLfloat) dot;
+ rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = dot;
}
break;
case GL_MODULATE_ADD_ATI:
@@ -440,8 +440,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
switch (combine->ModeA) {
case GL_REPLACE:
for (i = 0; i < n; i++) {
- GLfloat a = arg0[i][ACOMP] * scaleA;
- rgba[i][ACOMP] = (GLfloat) MIN2(a, 1.0F);
+ rgba[i][ACOMP] = arg0[i][ACOMP] * scaleA;
}
break;
case GL_MODULATE:
@@ -481,7 +480,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
break;
case GL_INTERPOLATE:
- for (i=0; i<n; i++) {
+ for (i = 0; i < n; i++) {
rgba[i][ACOMP] = (arg0[i][ACOMP] * arg2[i][ACOMP] +
arg1[i][ACOMP] * (1.0F - arg2[i][ACOMP]))
* scaleA;