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Diffstat (limited to 'mesalib/src/mesa/main/histogram.c')
-rw-r--r--mesalib/src/mesa/main/histogram.c1255
1 files changed, 150 insertions, 1105 deletions
diff --git a/mesalib/src/mesa/main/histogram.c b/mesalib/src/mesa/main/histogram.c
index 4e482bcd5..f12428121 100644
--- a/mesalib/src/mesa/main/histogram.c
+++ b/mesalib/src/mesa/main/histogram.c
@@ -1,1105 +1,150 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.3
- *
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "glheader.h"
-#include "bufferobj.h"
-#include "colormac.h"
-#include "context.h"
-#include "image.h"
-#include "histogram.h"
-#include "macros.h"
-#include "main/dispatch.h"
-
-
-#if FEATURE_histogram
-
-
-/*
- * XXX the packed pixel formats haven't been tested.
- */
-static void
-pack_histogram( GLcontext *ctx,
- GLuint n, CONST GLuint rgba[][4],
- GLenum format, GLenum type, GLvoid *destination,
- const struct gl_pixelstore_attrib *packing )
-{
- const GLint comps = _mesa_components_in_format(format);
- GLuint luminance[MAX_WIDTH];
-
- if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) {
- GLuint i;
- for (i = 0; i < n; i++) {
- luminance[i] = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP];
- }
- }
-
-#define PACK_MACRO(TYPE) \
- { \
- GLuint i; \
- switch (format) { \
- case GL_RED: \
- for (i=0;i<n;i++) \
- dst[i] = (TYPE) rgba[i][RCOMP]; \
- break; \
- case GL_GREEN: \
- for (i=0;i<n;i++) \
- dst[i] = (TYPE) rgba[i][GCOMP]; \
- break; \
- case GL_BLUE: \
- for (i=0;i<n;i++) \
- dst[i] = (TYPE) rgba[i][BCOMP]; \
- break; \
- case GL_ALPHA: \
- for (i=0;i<n;i++) \
- dst[i] = (TYPE) rgba[i][ACOMP]; \
- break; \
- case GL_LUMINANCE: \
- for (i=0;i<n;i++) \
- dst[i] = (TYPE) luminance[i]; \
- break; \
- case GL_LUMINANCE_ALPHA: \
- for (i=0;i<n;i++) { \
- dst[i*2+0] = (TYPE) luminance[i]; \
- dst[i*2+1] = (TYPE) rgba[i][ACOMP]; \
- } \
- break; \
- case GL_RGB: \
- for (i=0;i<n;i++) { \
- dst[i*3+0] = (TYPE) rgba[i][RCOMP]; \
- dst[i*3+1] = (TYPE) rgba[i][GCOMP]; \
- dst[i*3+2] = (TYPE) rgba[i][BCOMP]; \
- } \
- break; \
- case GL_RGBA: \
- for (i=0;i<n;i++) { \
- dst[i*4+0] = (TYPE) rgba[i][RCOMP]; \
- dst[i*4+1] = (TYPE) rgba[i][GCOMP]; \
- dst[i*4+2] = (TYPE) rgba[i][BCOMP]; \
- dst[i*4+3] = (TYPE) rgba[i][ACOMP]; \
- } \
- break; \
- case GL_BGR: \
- for (i=0;i<n;i++) { \
- dst[i*3+0] = (TYPE) rgba[i][BCOMP]; \
- dst[i*3+1] = (TYPE) rgba[i][GCOMP]; \
- dst[i*3+2] = (TYPE) rgba[i][RCOMP]; \
- } \
- break; \
- case GL_BGRA: \
- for (i=0;i<n;i++) { \
- dst[i*4+0] = (TYPE) rgba[i][BCOMP]; \
- dst[i*4+1] = (TYPE) rgba[i][GCOMP]; \
- dst[i*4+2] = (TYPE) rgba[i][RCOMP]; \
- dst[i*4+3] = (TYPE) rgba[i][ACOMP]; \
- } \
- break; \
- case GL_ABGR_EXT: \
- for (i=0;i<n;i++) { \
- dst[i*4+0] = (TYPE) rgba[i][ACOMP]; \
- dst[i*4+1] = (TYPE) rgba[i][BCOMP]; \
- dst[i*4+2] = (TYPE) rgba[i][GCOMP]; \
- dst[i*4+3] = (TYPE) rgba[i][RCOMP]; \
- } \
- break; \
- default: \
- _mesa_problem(ctx, "bad format in pack_histogram"); \
- } \
- }
-
- switch (type) {
- case GL_UNSIGNED_BYTE:
- {
- GLubyte *dst = (GLubyte *) destination;
- PACK_MACRO(GLubyte);
- }
- break;
- case GL_BYTE:
- {
- GLbyte *dst = (GLbyte *) destination;
- PACK_MACRO(GLbyte);
- }
- break;
- case GL_UNSIGNED_SHORT:
- {
- GLushort *dst = (GLushort *) destination;
- PACK_MACRO(GLushort);
- if (packing->SwapBytes) {
- _mesa_swap2(dst, n * comps);
- }
- }
- break;
- case GL_SHORT:
- {
- GLshort *dst = (GLshort *) destination;
- PACK_MACRO(GLshort);
- if (packing->SwapBytes) {
- _mesa_swap2((GLushort *) dst, n * comps);
- }
- }
- break;
- case GL_UNSIGNED_INT:
- {
- GLuint *dst = (GLuint *) destination;
- PACK_MACRO(GLuint);
- if (packing->SwapBytes) {
- _mesa_swap4(dst, n * comps);
- }
- }
- break;
- case GL_INT:
- {
- GLint *dst = (GLint *) destination;
- PACK_MACRO(GLint);
- if (packing->SwapBytes) {
- _mesa_swap4((GLuint *) dst, n * comps);
- }
- }
- break;
- case GL_FLOAT:
- {
- GLfloat *dst = (GLfloat *) destination;
- PACK_MACRO(GLfloat);
- if (packing->SwapBytes) {
- _mesa_swap4((GLuint *) dst, n * comps);
- }
- }
- break;
- case GL_HALF_FLOAT_ARB:
- {
- /* temporarily store as GLuints */
- GLuint temp[4*HISTOGRAM_TABLE_SIZE];
- GLuint *dst = temp;
- GLhalfARB *half = (GLhalfARB *) destination;
- GLuint i;
- /* get GLuint values */
- PACK_MACRO(GLuint);
- /* convert to GLhalf */
- for (i = 0; i < n * comps; i++) {
- half[i] = _mesa_float_to_half((GLfloat) temp[i]);
- }
- if (packing->SwapBytes) {
- _mesa_swap2((GLushort *) half, n * comps);
- }
- }
- break;
- case GL_UNSIGNED_BYTE_3_3_2:
- if (format == GL_RGB) {
- GLubyte *dst = (GLubyte *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x7) << 5)
- | ((rgba[i][GCOMP] & 0x7) << 2)
- | ((rgba[i][BCOMP] & 0x3) );
- }
- }
- else {
- GLubyte *dst = (GLubyte *) destination;
- GLuint i;
- ASSERT(format == GL_BGR);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x7) << 5)
- | ((rgba[i][GCOMP] & 0x7) << 2)
- | ((rgba[i][RCOMP] & 0x3) );
- }
- }
- break;
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- if (format == GL_RGB) {
- GLubyte *dst = (GLubyte *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x3) << 6)
- | ((rgba[i][GCOMP] & 0x7) << 3)
- | ((rgba[i][BCOMP] & 0x7) );
- }
- }
- else {
- GLubyte *dst = (GLubyte *) destination;
- GLuint i;
- ASSERT(format == GL_BGR);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x3) << 6)
- | ((rgba[i][GCOMP] & 0x7) << 3)
- | ((rgba[i][RCOMP] & 0x7) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_5_6_5:
- if (format == GL_RGB) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x3f) << 5)
- | ((rgba[i][BCOMP] & 0x1f) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_BGR);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x3f) << 5)
- | ((rgba[i][RCOMP] & 0x1f) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- if (format == GL_RGB) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x3f) << 5)
- | ((rgba[i][RCOMP] & 0x1f) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_BGR);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x3f) << 5)
- | ((rgba[i][BCOMP] & 0x1f) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_4_4_4_4:
- if (format == GL_RGBA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0xf) << 12)
- | ((rgba[i][GCOMP] & 0xf) << 8)
- | ((rgba[i][BCOMP] & 0xf) << 4)
- | ((rgba[i][ACOMP] & 0xf) );
- }
- }
- else if (format == GL_BGRA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0xf) << 12)
- | ((rgba[i][GCOMP] & 0xf) << 8)
- | ((rgba[i][RCOMP] & 0xf) << 4)
- | ((rgba[i][ACOMP] & 0xf) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xf) << 12)
- | ((rgba[i][BCOMP] & 0xf) << 8)
- | ((rgba[i][GCOMP] & 0xf) << 4)
- | ((rgba[i][RCOMP] & 0xf) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- if (format == GL_RGBA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xf) << 12)
- | ((rgba[i][BCOMP] & 0xf) << 8)
- | ((rgba[i][GCOMP] & 0xf) << 4)
- | ((rgba[i][RCOMP] & 0xf) );
- }
- }
- else if (format == GL_BGRA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xf) << 12)
- | ((rgba[i][RCOMP] & 0xf) << 8)
- | ((rgba[i][GCOMP] & 0xf) << 4)
- | ((rgba[i][BCOMP] & 0xf) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0xf) << 12)
- | ((rgba[i][GCOMP] & 0xf) << 8)
- | ((rgba[i][BCOMP] & 0xf) << 4)
- | ((rgba[i][ACOMP] & 0xf) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_5_5_5_1:
- if (format == GL_RGBA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x1f) << 6)
- | ((rgba[i][BCOMP] & 0x1f) << 1)
- | ((rgba[i][ACOMP] & 0x1) );
- }
- }
- else if (format == GL_BGRA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x1f) << 6)
- | ((rgba[i][RCOMP] & 0x1f) << 1)
- | ((rgba[i][ACOMP] & 0x1) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11)
- | ((rgba[i][BCOMP] & 0x1f) << 6)
- | ((rgba[i][GCOMP] & 0x1f) << 1)
- | ((rgba[i][RCOMP] & 0x1) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- if (format == GL_RGBA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11)
- | ((rgba[i][BCOMP] & 0x1f) << 6)
- | ((rgba[i][GCOMP] & 0x1f) << 1)
- | ((rgba[i][RCOMP] & 0x1) );
- }
- }
- else if (format == GL_BGRA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11)
- | ((rgba[i][RCOMP] & 0x1f) << 6)
- | ((rgba[i][GCOMP] & 0x1f) << 1)
- | ((rgba[i][BCOMP] & 0x1) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x1f) << 6)
- | ((rgba[i][BCOMP] & 0x1f) << 1)
- | ((rgba[i][ACOMP] & 0x1) );
- }
- }
- break;
- case GL_UNSIGNED_INT_8_8_8_8:
- if (format == GL_RGBA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0xff) << 24)
- | ((rgba[i][GCOMP] & 0xff) << 16)
- | ((rgba[i][BCOMP] & 0xff) << 8)
- | ((rgba[i][ACOMP] & 0xff) );
- }
- }
- else if (format == GL_BGRA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0xff) << 24)
- | ((rgba[i][GCOMP] & 0xff) << 16)
- | ((rgba[i][RCOMP] & 0xff) << 8)
- | ((rgba[i][ACOMP] & 0xff) );
- }
- }
- else {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xff) << 24)
- | ((rgba[i][BCOMP] & 0xff) << 16)
- | ((rgba[i][GCOMP] & 0xff) << 8)
- | ((rgba[i][RCOMP] & 0xff) );
- }
- }
- break;
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- if (format == GL_RGBA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xff) << 24)
- | ((rgba[i][BCOMP] & 0xff) << 16)
- | ((rgba[i][GCOMP] & 0xff) << 8)
- | ((rgba[i][RCOMP] & 0xff) );
- }
- }
- else if (format == GL_BGRA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xff) << 24)
- | ((rgba[i][RCOMP] & 0xff) << 16)
- | ((rgba[i][GCOMP] & 0xff) << 8)
- | ((rgba[i][BCOMP] & 0xff) );
- }
- }
- else {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0xff) << 24)
- | ((rgba[i][GCOMP] & 0xff) << 16)
- | ((rgba[i][BCOMP] & 0xff) << 8)
- | ((rgba[i][ACOMP] & 0xff) );
- }
- }
- break;
- case GL_UNSIGNED_INT_10_10_10_2:
- if (format == GL_RGBA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22)
- | ((rgba[i][GCOMP] & 0x3ff) << 12)
- | ((rgba[i][BCOMP] & 0x3ff) << 2)
- | ((rgba[i][ACOMP] & 0x3) );
- }
- }
- else if (format == GL_BGRA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x3ff) << 22)
- | ((rgba[i][GCOMP] & 0x3ff) << 12)
- | ((rgba[i][RCOMP] & 0x3ff) << 2)
- | ((rgba[i][ACOMP] & 0x3) );
- }
- }
- else {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22)
- | ((rgba[i][BCOMP] & 0x3ff) << 12)
- | ((rgba[i][GCOMP] & 0x3ff) << 2)
- | ((rgba[i][RCOMP] & 0x3) );
- }
- }
- break;
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- if (format == GL_RGBA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22)
- | ((rgba[i][BCOMP] & 0x3ff) << 12)
- | ((rgba[i][GCOMP] & 0x3ff) << 2)
- | ((rgba[i][RCOMP] & 0x3) );
- }
- }
- else if (format == GL_BGRA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22)
- | ((rgba[i][RCOMP] & 0x3ff) << 12)
- | ((rgba[i][GCOMP] & 0x3ff) << 2)
- | ((rgba[i][BCOMP] & 0x3) );
- }
- }
- else {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22)
- | ((rgba[i][GCOMP] & 0x3ff) << 12)
- | ((rgba[i][BCOMP] & 0x3ff) << 2)
- | ((rgba[i][ACOMP] & 0x3) );
- }
- }
- break;
- default:
- _mesa_problem(ctx, "Bad type in pack_histogram");
- }
-
-#undef PACK_MACRO
-}
-
-
-/*
- * Given an internalFormat token passed to glHistogram or glMinMax,
- * return the corresponding base format.
- * Return -1 if invalid token.
- */
-static GLint
-base_histogram_format( GLenum format )
-{
- switch (format) {
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- return GL_ALPHA;
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- return GL_LUMINANCE;
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- return GL_LUMINANCE_ALPHA;
- case GL_RGB:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return GL_RGB;
- case GL_RGBA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return GL_RGBA;
- default:
- return -1; /* error */
- }
-}
-
-
-
-/**********************************************************************
- * API functions
- */
-
-
-/* this is defined below */
-static void GLAPIENTRY _mesa_ResetMinmax(GLenum target);
-
-
-static void GLAPIENTRY
-_mesa_GetMinmax(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax");
- return;
- }
-
- if (target != GL_MINMAX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmax(target)");
- return;
- }
-
- if (format != GL_RED &&
- format != GL_GREEN &&
- format != GL_BLUE &&
- format != GL_ALPHA &&
- format != GL_RGB &&
- format != GL_BGR &&
- format != GL_RGBA &&
- format != GL_BGRA &&
- format != GL_ABGR_EXT &&
- format != GL_LUMINANCE &&
- format != GL_LUMINANCE_ALPHA) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMax(format)");
- }
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax(format or type)");
- return;
- }
-
-
- values = _mesa_map_validate_pbo_dest(ctx, 1, &ctx->Pack, 2, 1, 1,
- format, type, values, "glGetMinmax");
- if (!values)
- return;
-
- {
- GLfloat minmax[2][4];
- minmax[0][RCOMP] = CLAMP(ctx->MinMax.Min[RCOMP], 0.0F, 1.0F);
- minmax[0][GCOMP] = CLAMP(ctx->MinMax.Min[GCOMP], 0.0F, 1.0F);
- minmax[0][BCOMP] = CLAMP(ctx->MinMax.Min[BCOMP], 0.0F, 1.0F);
- minmax[0][ACOMP] = CLAMP(ctx->MinMax.Min[ACOMP], 0.0F, 1.0F);
- minmax[1][RCOMP] = CLAMP(ctx->MinMax.Max[RCOMP], 0.0F, 1.0F);
- minmax[1][GCOMP] = CLAMP(ctx->MinMax.Max[GCOMP], 0.0F, 1.0F);
- minmax[1][BCOMP] = CLAMP(ctx->MinMax.Max[BCOMP], 0.0F, 1.0F);
- minmax[1][ACOMP] = CLAMP(ctx->MinMax.Max[ACOMP], 0.0F, 1.0F);
- _mesa_pack_rgba_span_float(ctx, 2, minmax,
- format, type, values, &ctx->Pack, 0x0);
- }
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-
- if (reset) {
- _mesa_ResetMinmax(GL_MINMAX);
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_GetHistogram(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram");
- return;
- }
-
- if (target != GL_HISTOGRAM) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(target)");
- return;
- }
-
- if (format != GL_RED &&
- format != GL_GREEN &&
- format != GL_BLUE &&
- format != GL_ALPHA &&
- format != GL_RGB &&
- format != GL_BGR &&
- format != GL_RGBA &&
- format != GL_BGRA &&
- format != GL_ABGR_EXT &&
- format != GL_LUMINANCE &&
- format != GL_LUMINANCE_ALPHA) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(format)");
- }
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram(format or type)");
- return;
- }
-
- values = _mesa_map_validate_pbo_dest(ctx, 1, &ctx->Pack,
- ctx->Histogram.Width, 1, 1,
- format, type, values,
- "glGetHistogram");
- if (!values)
- return;
-
- pack_histogram(ctx, ctx->Histogram.Width,
- (CONST GLuint (*)[4]) ctx->Histogram.Count,
- format, type, values, &ctx->Pack);
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-
- if (reset) {
- GLuint i;
- for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) {
- ctx->Histogram.Count[i][0] = 0;
- ctx->Histogram.Count[i][1] = 0;
- ctx->Histogram.Count[i][2] = 0;
- ctx->Histogram.Count[i][3] = 0;
- }
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_GetHistogramParameterfv(GLenum target, GLenum pname, GLfloat *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameterfv");
- return;
- }
-
- if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(target)");
- return;
- }
-
- switch (pname) {
- case GL_HISTOGRAM_WIDTH:
- *params = (GLfloat) ctx->Histogram.Width;
- break;
- case GL_HISTOGRAM_FORMAT:
- *params = (GLfloat) ctx->Histogram.Format;
- break;
- case GL_HISTOGRAM_RED_SIZE:
- *params = (GLfloat) ctx->Histogram.RedSize;
- break;
- case GL_HISTOGRAM_GREEN_SIZE:
- *params = (GLfloat) ctx->Histogram.GreenSize;
- break;
- case GL_HISTOGRAM_BLUE_SIZE:
- *params = (GLfloat) ctx->Histogram.BlueSize;
- break;
- case GL_HISTOGRAM_ALPHA_SIZE:
- *params = (GLfloat) ctx->Histogram.AlphaSize;
- break;
- case GL_HISTOGRAM_LUMINANCE_SIZE:
- *params = (GLfloat) ctx->Histogram.LuminanceSize;
- break;
- case GL_HISTOGRAM_SINK:
- *params = (GLfloat) ctx->Histogram.Sink;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(pname)");
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_GetHistogramParameteriv(GLenum target, GLenum pname, GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameteriv");
- return;
- }
-
- if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(target)");
- return;
- }
-
- switch (pname) {
- case GL_HISTOGRAM_WIDTH:
- *params = (GLint) ctx->Histogram.Width;
- break;
- case GL_HISTOGRAM_FORMAT:
- *params = (GLint) ctx->Histogram.Format;
- break;
- case GL_HISTOGRAM_RED_SIZE:
- *params = (GLint) ctx->Histogram.RedSize;
- break;
- case GL_HISTOGRAM_GREEN_SIZE:
- *params = (GLint) ctx->Histogram.GreenSize;
- break;
- case GL_HISTOGRAM_BLUE_SIZE:
- *params = (GLint) ctx->Histogram.BlueSize;
- break;
- case GL_HISTOGRAM_ALPHA_SIZE:
- *params = (GLint) ctx->Histogram.AlphaSize;
- break;
- case GL_HISTOGRAM_LUMINANCE_SIZE:
- *params = (GLint) ctx->Histogram.LuminanceSize;
- break;
- case GL_HISTOGRAM_SINK:
- *params = (GLint) ctx->Histogram.Sink;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(pname)");
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_GetMinmaxParameterfv(GLenum target, GLenum pname, GLfloat *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameterfv");
- return;
- }
- if (target != GL_MINMAX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameterfv(target)");
- return;
- }
- if (pname == GL_MINMAX_FORMAT) {
- *params = (GLfloat) ctx->MinMax.Format;
- }
- else if (pname == GL_MINMAX_SINK) {
- *params = (GLfloat) ctx->MinMax.Sink;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameterfv(pname)");
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_GetMinmaxParameteriv(GLenum target, GLenum pname, GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameteriv");
- return;
- }
- if (target != GL_MINMAX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameteriv(target)");
- return;
- }
- if (pname == GL_MINMAX_FORMAT) {
- *params = (GLint) ctx->MinMax.Format;
- }
- else if (pname == GL_MINMAX_SINK) {
- *params = (GLint) ctx->MinMax.Sink;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameteriv(pname)");
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_Histogram(GLenum target, GLsizei width, GLenum internalFormat, GLboolean sink)
-{
- GLuint i;
- GLboolean error = GL_FALSE;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glHistogram");
- return;
- }
-
- if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(target)");
- return;
- }
-
- if (width < 0 || width > HISTOGRAM_TABLE_SIZE) {
- if (target == GL_PROXY_HISTOGRAM) {
- error = GL_TRUE;
- }
- else {
- if (width < 0)
- _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)");
- else
- _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glHistogram(width)");
- return;
- }
- }
-
- if (width != 0 && !_mesa_is_pow_two(width)) {
- if (target == GL_PROXY_HISTOGRAM) {
- error = GL_TRUE;
- }
- else {
- _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)");
- return;
- }
- }
-
- if (base_histogram_format(internalFormat) < 0) {
- if (target == GL_PROXY_HISTOGRAM) {
- error = GL_TRUE;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(internalFormat)");
- return;
- }
- }
-
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
-
- /* reset histograms */
- for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) {
- ctx->Histogram.Count[i][0] = 0;
- ctx->Histogram.Count[i][1] = 0;
- ctx->Histogram.Count[i][2] = 0;
- ctx->Histogram.Count[i][3] = 0;
- }
-
- if (error) {
- ctx->Histogram.Width = 0;
- ctx->Histogram.Format = 0;
- ctx->Histogram.RedSize = 0;
- ctx->Histogram.GreenSize = 0;
- ctx->Histogram.BlueSize = 0;
- ctx->Histogram.AlphaSize = 0;
- ctx->Histogram.LuminanceSize = 0;
- }
- else {
- ctx->Histogram.Width = width;
- ctx->Histogram.Format = internalFormat;
- ctx->Histogram.Sink = sink;
- ctx->Histogram.RedSize = 8 * sizeof(GLuint);
- ctx->Histogram.GreenSize = 8 * sizeof(GLuint);
- ctx->Histogram.BlueSize = 8 * sizeof(GLuint);
- ctx->Histogram.AlphaSize = 8 * sizeof(GLuint);
- ctx->Histogram.LuminanceSize = 8 * sizeof(GLuint);
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_Minmax(GLenum target, GLenum internalFormat, GLboolean sink)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glMinmax");
- return;
- }
-
- if (target != GL_MINMAX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(target)");
- return;
- }
-
- if (base_histogram_format(internalFormat) < 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(internalFormat)");
- return;
- }
-
- if (ctx->MinMax.Sink == sink)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->MinMax.Sink = sink;
-}
-
-
-static void GLAPIENTRY
-_mesa_ResetHistogram(GLenum target)
-{
- GLuint i;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glResetHistogram");
- return;
- }
-
- if (target != GL_HISTOGRAM) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glResetHistogram(target)");
- return;
- }
-
- for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) {
- ctx->Histogram.Count[i][0] = 0;
- ctx->Histogram.Count[i][1] = 0;
- ctx->Histogram.Count[i][2] = 0;
- ctx->Histogram.Count[i][3] = 0;
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_ResetMinmax(GLenum target)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glResetMinmax");
- return;
- }
-
- if (target != GL_MINMAX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glResetMinMax(target)");
- return;
- }
-
- ctx->MinMax.Min[RCOMP] = 1000; ctx->MinMax.Max[RCOMP] = -1000;
- ctx->MinMax.Min[GCOMP] = 1000; ctx->MinMax.Max[GCOMP] = -1000;
- ctx->MinMax.Min[BCOMP] = 1000; ctx->MinMax.Max[BCOMP] = -1000;
- ctx->MinMax.Min[ACOMP] = 1000; ctx->MinMax.Max[ACOMP] = -1000;
-}
-
-
-void
-_mesa_init_histogram_dispatch(struct _glapi_table *disp)
-{
- SET_GetHistogram(disp, _mesa_GetHistogram);
- SET_GetHistogramParameterfv(disp, _mesa_GetHistogramParameterfv);
- SET_GetHistogramParameteriv(disp, _mesa_GetHistogramParameteriv);
- SET_GetMinmax(disp, _mesa_GetMinmax);
- SET_GetMinmaxParameterfv(disp, _mesa_GetMinmaxParameterfv);
- SET_GetMinmaxParameteriv(disp, _mesa_GetMinmaxParameteriv);
- SET_Histogram(disp, _mesa_Histogram);
- SET_Minmax(disp, _mesa_Minmax);
- SET_ResetHistogram(disp, _mesa_ResetHistogram);
- SET_ResetMinmax(disp, _mesa_ResetMinmax);
-}
-
-
-#endif /* FEATURE_histogram */
-
-
-/**********************************************************************/
-/***** Initialization *****/
-/**********************************************************************/
-
-void _mesa_init_histogram( GLcontext * ctx )
-{
- int i;
-
- /* Histogram group */
- ctx->Histogram.Width = 0;
- ctx->Histogram.Format = GL_RGBA;
- ctx->Histogram.Sink = GL_FALSE;
- ctx->Histogram.RedSize = 0;
- ctx->Histogram.GreenSize = 0;
- ctx->Histogram.BlueSize = 0;
- ctx->Histogram.AlphaSize = 0;
- ctx->Histogram.LuminanceSize = 0;
- for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) {
- ctx->Histogram.Count[i][0] = 0;
- ctx->Histogram.Count[i][1] = 0;
- ctx->Histogram.Count[i][2] = 0;
- ctx->Histogram.Count[i][3] = 0;
- }
-
- /* Min/Max group */
- ctx->MinMax.Format = GL_RGBA;
- ctx->MinMax.Sink = GL_FALSE;
- ctx->MinMax.Min[RCOMP] = 1000; ctx->MinMax.Max[RCOMP] = -1000;
- ctx->MinMax.Min[GCOMP] = 1000; ctx->MinMax.Max[GCOMP] = -1000;
- ctx->MinMax.Min[BCOMP] = 1000; ctx->MinMax.Max[BCOMP] = -1000;
- ctx->MinMax.Min[ACOMP] = 1000; ctx->MinMax.Max[ACOMP] = -1000;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.3
+ *
+ * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "glheader.h"
+#include "bufferobj.h"
+#include "colormac.h"
+#include "histogram.h"
+#include "macros.h"
+#include "main/dispatch.h"
+
+
+#if FEATURE_histogram
+
+/**********************************************************************
+ * API functions
+ */
+
+
+/* this is defined below */
+static void GLAPIENTRY _mesa_ResetMinmax(GLenum target);
+
+
+static void GLAPIENTRY
+_mesa_GetMinmax(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax");
+}
+
+
+static void GLAPIENTRY
+_mesa_GetHistogram(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram");
+}
+
+
+static void GLAPIENTRY
+_mesa_GetHistogramParameterfv(GLenum target, GLenum pname, GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameterfv");
+}
+
+
+static void GLAPIENTRY
+_mesa_GetHistogramParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameteriv");
+}
+
+
+static void GLAPIENTRY
+_mesa_GetMinmaxParameterfv(GLenum target, GLenum pname, GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameterfv");
+}
+
+
+static void GLAPIENTRY
+_mesa_GetMinmaxParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameteriv");
+}
+
+
+static void GLAPIENTRY
+_mesa_Histogram(GLenum target, GLsizei width, GLenum internalFormat, GLboolean sink)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glHistogram");
+}
+
+
+static void GLAPIENTRY
+_mesa_Minmax(GLenum target, GLenum internalFormat, GLboolean sink)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glMinmax");
+}
+
+
+static void GLAPIENTRY
+_mesa_ResetHistogram(GLenum target)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glResetHistogram");
+}
+
+
+static void GLAPIENTRY
+_mesa_ResetMinmax(GLenum target)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glResetMinmax");
+}
+
+
+void
+_mesa_init_histogram_dispatch(struct _glapi_table *disp)
+{
+ SET_GetHistogram(disp, _mesa_GetHistogram);
+ SET_GetHistogramParameterfv(disp, _mesa_GetHistogramParameterfv);
+ SET_GetHistogramParameteriv(disp, _mesa_GetHistogramParameteriv);
+ SET_GetMinmax(disp, _mesa_GetMinmax);
+ SET_GetMinmaxParameterfv(disp, _mesa_GetMinmaxParameterfv);
+ SET_GetMinmaxParameteriv(disp, _mesa_GetMinmaxParameteriv);
+ SET_Histogram(disp, _mesa_Histogram);
+ SET_Minmax(disp, _mesa_Minmax);
+ SET_ResetHistogram(disp, _mesa_ResetHistogram);
+ SET_ResetMinmax(disp, _mesa_ResetMinmax);
+}
+
+#endif /* FEATURE_histogram */