-/* $Id: histogram.c,v 1.3 2000/12/10 19:23:19 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 6.3
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * 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"),
*/
-#ifdef PC_HEADER
-#include "all.h"
-#else
#include "glheader.h"
+#include "bufferobj.h"
#include "colormac.h"
#include "context.h"
#include "image.h"
#include "histogram.h"
-#include "mmath.h"
-#endif
+
+
+/**********************************************************************
+ * 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];
+ }
+}
/*
- * XXX need to handle packed datatypes!
+ * 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.
*/
static void
pack_histogram( GLcontext *ctx,
} \
break; \
default: \
- gl_problem(ctx, "bad format in pack_histogram"); \
+ _mesa_problem(ctx, "bad format in pack_histogram"); \
} \
}
}
}
break;
- default:
- gl_problem(ctx, "Bad type in pack_histogram");
- }
-
-#undef PACK_MACRO
-}
-
-
-
-/*
- * XXX need to handle packed datatypes!
- */
-static void
-pack_minmax( GLcontext *ctx, CONST GLfloat minmax[2][4],
- GLenum format, GLenum type, GLvoid *destination,
- const struct gl_pixelstore_attrib *packing )
-{
- const GLint comps = _mesa_components_in_format(format);
- GLuint luminance[2];
-
- if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) {
- luminance[0] = minmax[0][RCOMP] + minmax[0][GCOMP] + minmax[0][BCOMP];
- luminance[1] = minmax[1][RCOMP] + minmax[1][GCOMP] + minmax[1][BCOMP];
- }
-
-#define PACK_MACRO(TYPE, CONVERSION) \
- { \
- GLuint i; \
- switch (format) { \
- case GL_RED: \
- for (i=0;i<2;i++) \
- dst[i] = CONVERSION (minmax[i][RCOMP]); \
- break; \
- case GL_GREEN: \
- for (i=0;i<2;i++) \
- dst[i] = CONVERSION (minmax[i][GCOMP]); \
- break; \
- case GL_BLUE: \
- for (i=0;i<2;i++) \
- dst[i] = CONVERSION (minmax[i][BCOMP]); \
- break; \
- case GL_ALPHA: \
- for (i=0;i<2;i++) \
- dst[i] = CONVERSION (minmax[i][ACOMP]); \
- break; \
- case GL_LUMINANCE: \
- for (i=0;i<2;i++) \
- dst[i] = CONVERSION (luminance[i]); \
- break; \
- case GL_LUMINANCE_ALPHA: \
- for (i=0;i<2;i++) { \
- dst[i*2+0] = CONVERSION (luminance[i]); \
- dst[i*2+1] = CONVERSION (minmax[i][ACOMP]); \
- } \
- break; \
- case GL_RGB: \
- for (i=0;i<2;i++) { \
- dst[i*3+0] = CONVERSION (minmax[i][RCOMP]); \
- dst[i*3+1] = CONVERSION (minmax[i][GCOMP]); \
- dst[i*3+2] = CONVERSION (minmax[i][BCOMP]); \
- } \
- break; \
- case GL_RGBA: \
- for (i=0;i<2;i++) { \
- dst[i*4+0] = CONVERSION (minmax[i][RCOMP]); \
- dst[i*4+1] = CONVERSION (minmax[i][GCOMP]); \
- dst[i*4+2] = CONVERSION (minmax[i][BCOMP]); \
- dst[i*4+3] = CONVERSION (minmax[i][ACOMP]); \
- } \
- break; \
- case GL_BGR: \
- for (i=0;i<2;i++) { \
- dst[i*3+0] = CONVERSION (minmax[i][BCOMP]); \
- dst[i*3+1] = CONVERSION (minmax[i][GCOMP]); \
- dst[i*3+2] = CONVERSION (minmax[i][RCOMP]); \
- } \
- break; \
- case GL_BGRA: \
- for (i=0;i<2;i++) { \
- dst[i*4+0] = CONVERSION (minmax[i][BCOMP]); \
- dst[i*4+1] = CONVERSION (minmax[i][GCOMP]); \
- dst[i*4+2] = CONVERSION (minmax[i][RCOMP]); \
- dst[i*4+3] = CONVERSION (minmax[i][ACOMP]); \
- } \
- break; \
- case GL_ABGR_EXT: \
- for (i=0;i<2;i++) { \
- dst[i*4+0] = CONVERSION (minmax[i][ACOMP]); \
- dst[i*4+1] = CONVERSION (minmax[i][BCOMP]); \
- dst[i*4+2] = CONVERSION (minmax[i][GCOMP]); \
- dst[i*4+3] = CONVERSION (minmax[i][RCOMP]); \
- } \
- break; \
- default: \
- gl_problem(ctx, "bad format in pack_minmax"); \
- } \
- }
-
- switch (type) {
- case GL_UNSIGNED_BYTE:
+ case GL_HALF_FLOAT_ARB:
{
+ /* temporarily store as GLuints */
+ GLuint temp[4*HISTOGRAM_TABLE_SIZE];
+ GLhalfARB *dst = (GLhalfARB *) destination;
+ GLuint i;
+ /* get GLuint values */
+ PACK_MACRO(GLuint);
+ /* convert to GLhalf */
+ for (i = 0; i < n * comps; i++) {
+ dst[i] = _mesa_float_to_half((GLfloat) temp[i]);
+ }
+ if (packing->SwapBytes) {
+ _mesa_swap2((GLushort *) dst, n * comps);
+ }
+ }
+ break;
+ case GL_UNSIGNED_BYTE_3_3_2:
+ if (format == GL_RGB) {
GLubyte *dst = (GLubyte *) destination;
- PACK_MACRO(GLubyte, FLOAT_TO_UBYTE);
+ 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_BYTE:
- {
- GLbyte *dst = (GLbyte *) destination;
- PACK_MACRO(GLbyte, FLOAT_TO_BYTE);
+ 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:
- {
+ case GL_UNSIGNED_SHORT_5_6_5:
+ if (format == GL_RGB) {
GLushort *dst = (GLushort *) destination;
- PACK_MACRO(GLushort, FLOAT_TO_USHORT);
- if (packing->SwapBytes) {
- _mesa_swap2(dst, 2 * comps);
+ 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_SHORT:
- {
- GLshort *dst = (GLshort *) destination;
- PACK_MACRO(GLshort, FLOAT_TO_SHORT);
- if (packing->SwapBytes) {
- _mesa_swap2((GLushort *) dst, 2 * comps);
+ 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_INT:
- {
+ 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;
- PACK_MACRO(GLuint, FLOAT_TO_UINT);
- if (packing->SwapBytes) {
- _mesa_swap4(dst, 2 * comps);
+ 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_INT:
- {
- GLint *dst = (GLint *) destination;
- PACK_MACRO(GLint, FLOAT_TO_INT);
- if (packing->SwapBytes) {
- _mesa_swap4((GLuint *) dst, 2 * comps);
+ 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_FLOAT:
- {
- GLfloat *dst = (GLfloat *) destination;
- PACK_MACRO(GLfloat, (GLfloat));
- if (packing->SwapBytes) {
- _mesa_swap4((GLuint *) dst, 2 * comps);
+ 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:
- gl_problem(ctx, "Bad type in pack_minmax");
+ _mesa_problem(ctx, "Bad type in pack_histogram");
}
#undef PACK_MACRO
}
-void
+
+/**********************************************************************
+ * API functions
+ */
+
+
+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, "glGetMinmax");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glGetMinmax");
+ if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax");
return;
}
if (target != GL_MINMAX) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetMinmax(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmax(target)");
return;
}
- if (!_mesa_is_legal_format_and_type(format, type)) {
- gl_error(ctx, GL_INVALID_OPERATION, "glGetMinmax(format or type)");
+ 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;
}
- if (!values)
+ if (ctx->Pack.BufferObj->Name) {
+ /* pack min/max values into a PBO */
+ GLubyte *buf;
+ if (!_mesa_validate_pbo_access(1, &ctx->Pack, 2, 1, 1,
+ format, type, values)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetMinMax(invalid PBO access)");
+ return;
+ }
+ buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ GL_WRITE_ONLY_ARB,
+ ctx->Pack.BufferObj);
+ if (!buf) {
+ /* buffer is already mapped - that's an error */
+ _mesa_error(ctx, GL_INVALID_OPERATION,"glGetMinMax(PBO is mapped)");
+ return;
+ }
+ values = ADD_POINTERS(buf, values);
+ }
+ else if (!values) {
+ /* not an error */
return;
+ }
{
GLfloat minmax[2][4];
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);
- pack_minmax(ctx, (CONST GLfloat (*)[4]) minmax,
- format, type, values, &ctx->Pack);
+ _mesa_pack_rgba_span_float(ctx, 2, minmax,
+ format, type, values, &ctx->Pack, 0x0);
+ }
+
+ if (ctx->Pack.BufferObj->Name) {
+ ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ ctx->Pack.BufferObj);
}
if (reset) {
}
-void
+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, "glGetHistogram");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glGetHistogram");
+ if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram");
return;
}
if (target != GL_HISTOGRAM) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetHistogram(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(target)");
return;
}
- if (!_mesa_is_legal_format_and_type(format, type)) {
- gl_error(ctx, GL_INVALID_OPERATION, "glGetHistogram(format or type)");
+ 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;
}
- if (!values)
+ if (ctx->Pack.BufferObj->Name) {
+ /* pack min/max values into a PBO */
+ GLubyte *buf;
+ if (!_mesa_validate_pbo_access(1, &ctx->Pack, ctx->Histogram.Width, 1, 1,
+ format, type, values)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetHistogram(invalid PBO access)");
+ return;
+ }
+ buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ GL_WRITE_ONLY_ARB,
+ ctx->Pack.BufferObj);
+ if (!buf) {
+ /* buffer is already mapped - that's an error */
+ _mesa_error(ctx,GL_INVALID_OPERATION,"glGetHistogram(PBO is mapped)");
+ return;
+ }
+ values = ADD_POINTERS(buf, values);
+ }
+ else if (!values) {
+ /* not an error */
return;
+ }
pack_histogram(ctx, ctx->Histogram.Width,
(CONST GLuint (*)[4]) ctx->Histogram.Count,
format, type, values, &ctx->Pack);
+ if (ctx->Pack.BufferObj->Name) {
+ ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ ctx->Pack.BufferObj);
+ }
+
if (reset) {
GLuint i;
for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) {
}
-void
+void GLAPIENTRY
_mesa_GetHistogramParameterfv(GLenum target, GLenum pname, GLfloat *params)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetHistogramParameterfv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameterfv");
+ 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) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(target)");
return;
}
*params = (GLfloat) ctx->Histogram.Sink;
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(pname)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(pname)");
}
}
-void
+void GLAPIENTRY
_mesa_GetHistogramParameteriv(GLenum target, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetHistogramParameteriv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameteriv");
+ 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) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(target)");
return;
}
*params = (GLint) ctx->Histogram.Sink;
break;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(pname)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(pname)");
}
}
-void
+void GLAPIENTRY
_mesa_GetMinmaxParameterfv(GLenum target, GLenum pname, GLfloat *params)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetMinmaxParameterfv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameterfv");
+ if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameterfv");
return;
}
if (target != GL_MINMAX) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameterfv(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameterfv(target)");
return;
}
if (pname == GL_MINMAX_FORMAT) {
*params = (GLfloat) ctx->MinMax.Sink;
}
else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameterfv(pname)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameterfv(pname)");
}
}
-void
+void GLAPIENTRY
_mesa_GetMinmaxParameteriv(GLenum target, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetMinmaxParameteriv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameteriv");
+ if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameteriv");
return;
}
if (target != GL_MINMAX) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameteriv(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameteriv(target)");
return;
}
if (pname == GL_MINMAX_FORMAT) {
*params = (GLint) ctx->MinMax.Sink;
}
else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameteriv(pname)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameteriv(pname)");
}
}
-void
+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, "glHistogram");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glHistogram");
+ 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) {
- gl_error(ctx, GL_INVALID_ENUM, "glHistogram(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(target)");
return;
}
}
else {
if (width < 0)
- gl_error(ctx, GL_INVALID_VALUE, "glHistogram(width)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)");
else
- gl_error(ctx, GL_TABLE_TOO_LARGE, "glHistogram(width)");
+ _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glHistogram(width)");
return;
}
}
error = GL_TRUE;
}
else {
- gl_error(ctx, GL_INVALID_VALUE, "glHistogram(width)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)");
return;
}
}
error = GL_TRUE;
}
else {
- gl_error(ctx, GL_INVALID_ENUM, "glHistogram(internalFormat)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(internalFormat)");
return;
}
}
ctx->Histogram.Width = width;
ctx->Histogram.Format = internalFormat;
ctx->Histogram.Sink = sink;
- ctx->Histogram.RedSize = 0xffffffff;
- ctx->Histogram.GreenSize = 0xffffffff;
- ctx->Histogram.BlueSize = 0xffffffff;
- ctx->Histogram.AlphaSize = 0xffffffff;
- ctx->Histogram.LuminanceSize = 0xffffffff;
+ 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);
}
-
+
ctx->NewState |= _NEW_PIXEL;
}
-void
+void GLAPIENTRY
_mesa_Minmax(GLenum target, GLenum internalFormat, GLboolean sink)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glMinmax");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glMinmax");
+ if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glMinmax");
return;
}
if (target != GL_MINMAX) {
- gl_error(ctx, GL_INVALID_ENUM, "glMinMax(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(target)");
return;
}
if (base_histogram_format(internalFormat) < 0) {
- gl_error(ctx, GL_INVALID_ENUM, "glMinMax(internalFormat)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(internalFormat)");
return;
}
+ if (ctx->MinMax.Sink == sink)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->MinMax.Sink = sink;
- ctx->NewState |= _NEW_PIXEL;
}
-void
+void GLAPIENTRY
_mesa_ResetHistogram(GLenum target)
{
GLuint i;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glResetHistogram");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glResetHistogram");
+ if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glResetHistogram");
return;
}
if (target != GL_HISTOGRAM) {
- gl_error(ctx, GL_INVALID_ENUM, "glResetHistogram(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glResetHistogram(target)");
return;
}
}
-void
+void GLAPIENTRY
_mesa_ResetMinmax(GLenum target)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glResetMinmax");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (!ctx->Extensions.EXT_histogram) {
- gl_error(ctx, GL_INVALID_OPERATION, "glResetMinmax");
+ if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glResetMinmax");
return;
}
if (target != GL_MINMAX) {
- gl_error(ctx, GL_INVALID_ENUM, "glResetMinMax(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glResetMinMax(target)");
return;
}
ctx->MinMax.Min[ACOMP] = 1000; ctx->MinMax.Max[ACOMP] = -1000;
ctx->NewState |= _NEW_PIXEL;
}
+
+
+
+/**********************************************************************/
+/***** 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;
+}
projects / mesa.git / blobdiff