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authorBrian Paul <brian.paul@tungstengraphics.com>2008-06-09 15:14:02 -0600
committerBrian Paul <brian.paul@tungstengraphics.com>2008-06-09 15:14:02 -0600
commiteded7f010d344a909cf9c403eb3bdad91804d174 (patch)
tree82b5054b6d8f301041625e085a18fc4dff22d646 /src/mesa/main
parentbce428c4a65fdcb890ea18bf4a1dfb42ed109006 (diff)
mesa: refactor: move _mesa_update_minmax/histogram() into image.c
Diffstat (limited to 'src/mesa/main')
-rw-r--r--src/mesa/main/histogram.c65
-rw-r--r--src/mesa/main/histogram.h6
-rw-r--r--src/mesa/main/image.c67
3 files changed, 64 insertions, 74 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.
diff --git a/src/mesa/main/histogram.h b/src/mesa/main/histogram.h
index 974447231d..367e9b11ba 100644
--- a/src/mesa/main/histogram.h
+++ b/src/mesa/main/histogram.h
@@ -71,12 +71,6 @@ _mesa_ResetHistogram(GLenum target);
extern void GLAPIENTRY
_mesa_ResetMinmax(GLenum target);
-extern void
-_mesa_update_minmax(GLcontext *ctx, GLuint n, const GLfloat rgba[][4]);
-
-extern void
-_mesa_update_histogram(GLcontext *ctx, GLuint n, const GLfloat rgba[][4]);
-
extern void _mesa_init_histogram( GLcontext * ctx );
#else
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index 63bcc48e68..a6ac821251 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -34,7 +34,6 @@
#include "context.h"
#include "image.h"
#include "imports.h"
-#include "histogram.h"
#include "macros.h"
#include "pixel.h"
@@ -1431,6 +1430,68 @@ _mesa_scale_and_bias_depth_uint(const GLcontext *ctx, GLuint n,
}
+
+/*
+ * Update the min/max values from an array of fragment colors.
+ */
+static void
+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.
+ */
+static void
+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]++;
+ }
+}
+
+
/**
* Apply various pixel transfer operations to an array of RGBA pixels
* as indicated by the transferOps bitmask
@@ -1486,11 +1547,11 @@ _mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLbitfield transferOps,
}
/* update histogram count */
if (transferOps & IMAGE_HISTOGRAM_BIT) {
- _mesa_update_histogram(ctx, n, (CONST GLfloat (*)[4]) rgba);
+ update_histogram(ctx, n, (CONST GLfloat (*)[4]) rgba);
}
/* update min/max values */
if (transferOps & IMAGE_MIN_MAX_BIT) {
- _mesa_update_minmax(ctx, n, (CONST GLfloat (*)[4]) rgba);
+ update_minmax(ctx, n, (CONST GLfloat (*)[4]) rgba);
}
/* clamping to [0,1] */
if (transferOps & IMAGE_CLAMP_BIT) {