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-rw-r--r--src/mesa/main/histogram.c65
1 files changed, 0 insertions, 65 deletions
diff --git a/src/mesa/main/histogram.c b/src/mesa/main/histogram.c
index 6a7f09489c..77c458d540 100644
--- a/src/mesa/main/histogram.c
+++ b/src/mesa/main/histogram.c
@@ -31,71 +31,6 @@
#include "histogram.h"
-/**********************************************************************
- * Internal functions
- */
-
-
-/*
- * Update the min/max values from an array of fragment colors.
- */
-void
-_mesa_update_minmax(GLcontext *ctx, GLuint n, const GLfloat rgba[][4])
-{
- GLuint i;
- for (i = 0; i < n; i++) {
- /* update mins */
- if (rgba[i][RCOMP] < ctx->MinMax.Min[RCOMP])
- ctx->MinMax.Min[RCOMP] = rgba[i][RCOMP];
- if (rgba[i][GCOMP] < ctx->MinMax.Min[GCOMP])
- ctx->MinMax.Min[GCOMP] = rgba[i][GCOMP];
- if (rgba[i][BCOMP] < ctx->MinMax.Min[BCOMP])
- ctx->MinMax.Min[BCOMP] = rgba[i][BCOMP];
- if (rgba[i][ACOMP] < ctx->MinMax.Min[ACOMP])
- ctx->MinMax.Min[ACOMP] = rgba[i][ACOMP];
-
- /* update maxs */
- if (rgba[i][RCOMP] > ctx->MinMax.Max[RCOMP])
- ctx->MinMax.Max[RCOMP] = rgba[i][RCOMP];
- if (rgba[i][GCOMP] > ctx->MinMax.Max[GCOMP])
- ctx->MinMax.Max[GCOMP] = rgba[i][GCOMP];
- if (rgba[i][BCOMP] > ctx->MinMax.Max[BCOMP])
- ctx->MinMax.Max[BCOMP] = rgba[i][BCOMP];
- if (rgba[i][ACOMP] > ctx->MinMax.Max[ACOMP])
- ctx->MinMax.Max[ACOMP] = rgba[i][ACOMP];
- }
-}
-
-
-/*
- * Update the histogram values from an array of fragment colors.
- */
-void
-_mesa_update_histogram(GLcontext *ctx, GLuint n, const GLfloat rgba[][4])
-{
- const GLint max = ctx->Histogram.Width - 1;
- GLfloat w = (GLfloat) max;
- GLuint i;
-
- if (ctx->Histogram.Width == 0)
- return;
-
- for (i = 0; i < n; i++) {
- GLint ri = IROUND(rgba[i][RCOMP] * w);
- GLint gi = IROUND(rgba[i][GCOMP] * w);
- GLint bi = IROUND(rgba[i][BCOMP] * w);
- GLint ai = IROUND(rgba[i][ACOMP] * w);
- ri = CLAMP(ri, 0, max);
- gi = CLAMP(gi, 0, max);
- bi = CLAMP(bi, 0, max);
- ai = CLAMP(ai, 0, max);
- ctx->Histogram.Count[ri][RCOMP]++;
- ctx->Histogram.Count[gi][GCOMP]++;
- ctx->Histogram.Count[bi][BCOMP]++;
- ctx->Histogram.Count[ai][ACOMP]++;
- }
-}
-
/*
* XXX the packed pixel formats haven't been tested.