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-rw-r--r--src/mesa/main/pixel.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c
index 6a31d5a59f..dc8f5be307 100644
--- a/src/mesa/main/pixel.c
+++ b/src/mesa/main/pixel.c
@@ -1,4 +1,4 @@
-/* $Id: pixel.c,v 1.27 2001/03/12 00:48:38 gareth Exp $ */
+/* $Id: pixel.c,v 1.28 2001/04/10 15:25:45 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -832,10 +832,10 @@ _mesa_map_rgba( const GLcontext *ctx, GLuint n, GLfloat rgba[][4] )
const GLfloat *aMap = ctx->Pixel.MapAtoA;
GLuint i;
for (i=0;i<n;i++) {
- rgba[i][RCOMP] = rMap[(GLint) (rgba[i][RCOMP] * rscale + 0.5F)];
- rgba[i][GCOMP] = gMap[(GLint) (rgba[i][GCOMP] * gscale + 0.5F)];
- rgba[i][BCOMP] = bMap[(GLint) (rgba[i][BCOMP] * bscale + 0.5F)];
- rgba[i][ACOMP] = aMap[(GLint) (rgba[i][ACOMP] * ascale + 0.5F)];
+ rgba[i][RCOMP] = rMap[IROUND(rgba[i][RCOMP] * rscale)];
+ rgba[i][GCOMP] = gMap[IROUND(rgba[i][GCOMP] * gscale)];
+ rgba[i][BCOMP] = bMap[IROUND(rgba[i][BCOMP] * bscale)];
+ rgba[i][ACOMP] = aMap[IROUND(rgba[i][ACOMP] * ascale)];
}
}
@@ -888,7 +888,7 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLchan *lut = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint j = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
+ GLint j = IROUND(rgba[i][RCOMP] * scale);
GLfloat c = CHAN_TO_FLOAT(lut[j]);
rgba[i][RCOMP] = rgba[i][GCOMP] =
rgba[i][BCOMP] = rgba[i][ACOMP] = c;
@@ -900,7 +900,7 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLfloat *lut = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint j = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
+ GLint j = IROUND(rgba[i][RCOMP] * scale);
GLfloat c = lut[j];
rgba[i][RCOMP] = rgba[i][GCOMP] =
rgba[i][BCOMP] = rgba[i][ACOMP] = c;
@@ -914,7 +914,7 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLchan *lut = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint j = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
+ GLint j = IROUND(rgba[i][RCOMP] * scale);
GLfloat c = CHAN_TO_FLOAT(lut[j]);
rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c;
}
@@ -924,7 +924,7 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLfloat *lut = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint j = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
+ GLint j = IROUND(rgba[i][RCOMP] * scale);
GLfloat c = lut[j];
rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c;
}
@@ -937,7 +937,7 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLchan *lut = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint j = (GLint) (rgba[i][ACOMP] * scale + 0.5F);
+ GLint j = IROUND(rgba[i][ACOMP] * scale);
rgba[i][ACOMP] = CHAN_TO_FLOAT(lut[j]);
}
}
@@ -946,7 +946,7 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLfloat *lut = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint j = (GLint) (rgba[i][ACOMP] * scale + 0.5F);
+ GLint j = IROUND(rgba[i][ACOMP] * scale);
rgba[i][ACOMP] = lut[j];
}
}
@@ -958,8 +958,8 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLchan *lut = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint jL = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
- GLint jA = (GLint) (rgba[i][ACOMP] * scale + 0.5F);
+ GLint jL = IROUND(rgba[i][RCOMP] * scale);
+ GLint jA = IROUND(rgba[i][ACOMP] * scale);
GLfloat luminance = CHAN_TO_FLOAT(lut[jL * 2 + 0]);
GLfloat alpha = CHAN_TO_FLOAT(lut[jA * 2 + 1]);
rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance;
@@ -971,8 +971,8 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLfloat *lut = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint jL = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
- GLint jA = (GLint) (rgba[i][ACOMP] * scale + 0.5F);
+ GLint jL = IROUND(rgba[i][RCOMP] * scale);
+ GLint jA = IROUND(rgba[i][ACOMP] * scale);
GLfloat luminance = lut[jL * 2 + 0];
GLfloat alpha = lut[jA * 2 + 1];
rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance;
@@ -987,9 +987,9 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLchan *lut = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint jR = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
- GLint jG = (GLint) (rgba[i][GCOMP] * scale + 0.5F);
- GLint jB = (GLint) (rgba[i][BCOMP] * scale + 0.5F);
+ GLint jR = IROUND(rgba[i][RCOMP] * scale);
+ GLint jG = IROUND(rgba[i][GCOMP] * scale);
+ GLint jB = IROUND(rgba[i][BCOMP] * scale);
rgba[i][RCOMP] = CHAN_TO_FLOAT(lut[jR * 3 + 0]);
rgba[i][GCOMP] = CHAN_TO_FLOAT(lut[jG * 3 + 1]);
rgba[i][BCOMP] = CHAN_TO_FLOAT(lut[jB * 3 + 2]);
@@ -1000,9 +1000,9 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLfloat *lut = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint jR = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
- GLint jG = (GLint) (rgba[i][GCOMP] * scale + 0.5F);
- GLint jB = (GLint) (rgba[i][BCOMP] * scale + 0.5F);
+ GLint jR = IROUND(rgba[i][RCOMP] * scale);
+ GLint jG = IROUND(rgba[i][GCOMP] * scale);
+ GLint jB = IROUND(rgba[i][BCOMP] * scale);
rgba[i][RCOMP] = lut[jR * 3 + 0];
rgba[i][GCOMP] = lut[jG * 3 + 1];
rgba[i][BCOMP] = lut[jB * 3 + 2];
@@ -1016,10 +1016,10 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLchan *lut = (const GLchan *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint jR = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
- GLint jG = (GLint) (rgba[i][GCOMP] * scale + 0.5F);
- GLint jB = (GLint) (rgba[i][BCOMP] * scale + 0.5F);
- GLint jA = (GLint) (rgba[i][ACOMP] * scale + 0.5F);
+ GLint jR = IROUND(rgba[i][RCOMP] * scale);
+ GLint jG = IROUND(rgba[i][GCOMP] * scale);
+ GLint jB = IROUND(rgba[i][BCOMP] * scale);
+ GLint jA = IROUND(rgba[i][ACOMP] * scale);
rgba[i][RCOMP] = CHAN_TO_FLOAT(lut[jR * 4 + 0]);
rgba[i][GCOMP] = CHAN_TO_FLOAT(lut[jG * 4 + 1]);
rgba[i][BCOMP] = CHAN_TO_FLOAT(lut[jB * 4 + 2]);
@@ -1031,10 +1031,10 @@ _mesa_lookup_rgba(const struct gl_color_table *table,
const GLfloat *lut = (const GLfloat *) table->Table;
GLuint i;
for (i = 0; i < n; i++) {
- GLint jR = (GLint) (rgba[i][RCOMP] * scale + 0.5F);
- GLint jG = (GLint) (rgba[i][GCOMP] * scale + 0.5F);
- GLint jB = (GLint) (rgba[i][BCOMP] * scale + 0.5F);
- GLint jA = (GLint) (rgba[i][ACOMP] * scale + 0.5F);
+ GLint jR = IROUND(rgba[i][RCOMP] * scale);
+ GLint jG = IROUND(rgba[i][GCOMP] * scale);
+ GLint jB = IROUND(rgba[i][BCOMP] * scale);
+ GLint jA = IROUND(rgba[i][ACOMP] * scale);
rgba[i][RCOMP] = lut[jR * 4 + 0];
rgba[i][GCOMP] = lut[jG * 4 + 1];
rgba[i][BCOMP] = lut[jB * 4 + 2];
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-30 17:10:43 +0000