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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 55 | pj | 1 | /* $Id: histogram.c,v 1.1 2003-02-28 11:42:02 pj Exp $ */ |
| 2 | |||
| 3 | /* |
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| 4 | * Mesa 3-D graphics library |
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| 5 | * Version: 3.5 |
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| 6 | * |
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| 7 | * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. |
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| 8 | * |
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 10 | * copy of this software and associated documentation files (the "Software"), |
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| 11 | * to deal in the Software without restriction, including without limitation |
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 14 | * Software is furnished to do so, subject to the following conditions: |
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| 15 | * |
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| 16 | * The above copyright notice and this permission notice shall be included |
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| 17 | * in all copies or substantial portions of the Software. |
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| 18 | * |
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 22 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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| 23 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | */ |
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| 26 | |||
| 27 | |||
| 28 | #include "glheader.h" |
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| 29 | #include "colormac.h" |
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| 30 | #include "context.h" |
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| 31 | #include "image.h" |
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| 32 | #include "histogram.h" |
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| 33 | #include "mmath.h" |
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| 34 | |||
| 35 | |||
| 36 | /* |
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| 37 | * XXX the packed pixel formats haven't been tested. |
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| 38 | */ |
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| 39 | static void |
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| 40 | pack_histogram( GLcontext *ctx, |
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| 41 | GLuint n, CONST GLuint rgba[][4], |
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| 42 | GLenum format, GLenum type, GLvoid *destination, |
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| 43 | const struct gl_pixelstore_attrib *packing ) |
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| 44 | { |
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| 45 | const GLint comps = _mesa_components_in_format(format); |
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| 46 | GLuint luminance[MAX_WIDTH]; |
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| 47 | |||
| 48 | if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) { |
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| 49 | GLuint i; |
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| 50 | for (i = 0; i < n; i++) { |
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| 51 | luminance[i] = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; |
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| 52 | } |
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| 53 | } |
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| 54 | |||
| 55 | #define PACK_MACRO(TYPE) \ |
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| 56 | { \ |
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| 57 | GLuint i; \ |
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| 58 | switch (format) { \ |
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| 59 | case GL_RED: \ |
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| 60 | for (i=0;i<n;i++) \ |
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| 61 | dst[i] = (TYPE) rgba[i][RCOMP]; \ |
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| 62 | break; \ |
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| 63 | case GL_GREEN: \ |
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| 64 | for (i=0;i<n;i++) \ |
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| 65 | dst[i] = (TYPE) rgba[i][GCOMP]; \ |
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| 66 | break; \ |
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| 67 | case GL_BLUE: \ |
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| 68 | for (i=0;i<n;i++) \ |
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| 69 | dst[i] = (TYPE) rgba[i][BCOMP]; \ |
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| 70 | break; \ |
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| 71 | case GL_ALPHA: \ |
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| 72 | for (i=0;i<n;i++) \ |
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| 73 | dst[i] = (TYPE) rgba[i][ACOMP]; \ |
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| 74 | break; \ |
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| 75 | case GL_LUMINANCE: \ |
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| 76 | for (i=0;i<n;i++) \ |
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| 77 | dst[i] = (TYPE) luminance[i]; \ |
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| 78 | break; \ |
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| 79 | case GL_LUMINANCE_ALPHA: \ |
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| 80 | for (i=0;i<n;i++) { \ |
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| 81 | dst[i*2+0] = (TYPE) luminance[i]; \ |
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| 82 | dst[i*2+1] = (TYPE) rgba[i][ACOMP]; \ |
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| 83 | } \ |
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| 84 | break; \ |
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| 85 | case GL_RGB: \ |
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| 86 | for (i=0;i<n;i++) { \ |
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| 87 | dst[i*3+0] = (TYPE) rgba[i][RCOMP]; \ |
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| 88 | dst[i*3+1] = (TYPE) rgba[i][GCOMP]; \ |
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| 89 | dst[i*3+2] = (TYPE) rgba[i][BCOMP]; \ |
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| 90 | } \ |
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| 91 | break; \ |
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| 92 | case GL_RGBA: \ |
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| 93 | for (i=0;i<n;i++) { \ |
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| 94 | dst[i*4+0] = (TYPE) rgba[i][RCOMP]; \ |
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| 95 | dst[i*4+1] = (TYPE) rgba[i][GCOMP]; \ |
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| 96 | dst[i*4+2] = (TYPE) rgba[i][BCOMP]; \ |
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| 97 | dst[i*4+3] = (TYPE) rgba[i][ACOMP]; \ |
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| 98 | } \ |
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| 99 | break; \ |
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| 100 | case GL_BGR: \ |
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| 101 | for (i=0;i<n;i++) { \ |
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| 102 | dst[i*3+0] = (TYPE) rgba[i][BCOMP]; \ |
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| 103 | dst[i*3+1] = (TYPE) rgba[i][GCOMP]; \ |
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| 104 | dst[i*3+2] = (TYPE) rgba[i][RCOMP]; \ |
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| 105 | } \ |
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| 106 | break; \ |
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| 107 | case GL_BGRA: \ |
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| 108 | for (i=0;i<n;i++) { \ |
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| 109 | dst[i*4+0] = (TYPE) rgba[i][BCOMP]; \ |
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| 110 | dst[i*4+1] = (TYPE) rgba[i][GCOMP]; \ |
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| 111 | dst[i*4+2] = (TYPE) rgba[i][RCOMP]; \ |
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| 112 | dst[i*4+3] = (TYPE) rgba[i][ACOMP]; \ |
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| 113 | } \ |
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| 114 | break; \ |
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| 115 | case GL_ABGR_EXT: \ |
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| 116 | for (i=0;i<n;i++) { \ |
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| 117 | dst[i*4+0] = (TYPE) rgba[i][ACOMP]; \ |
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| 118 | dst[i*4+1] = (TYPE) rgba[i][BCOMP]; \ |
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| 119 | dst[i*4+2] = (TYPE) rgba[i][GCOMP]; \ |
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| 120 | dst[i*4+3] = (TYPE) rgba[i][RCOMP]; \ |
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| 121 | } \ |
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| 122 | break; \ |
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| 123 | default: \ |
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| 124 | _mesa_problem(ctx, "bad format in pack_histogram"); \ |
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| 125 | } \ |
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| 126 | } |
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| 127 | |||
| 128 | switch (type) { |
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| 129 | case GL_UNSIGNED_BYTE: |
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| 130 | { |
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| 131 | GLubyte *dst = (GLubyte *) destination; |
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| 132 | PACK_MACRO(GLubyte); |
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| 133 | } |
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| 134 | break; |
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| 135 | case GL_BYTE: |
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| 136 | { |
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| 137 | GLbyte *dst = (GLbyte *) destination; |
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| 138 | PACK_MACRO(GLbyte); |
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| 139 | } |
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| 140 | break; |
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| 141 | case GL_UNSIGNED_SHORT: |
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| 142 | { |
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| 143 | GLushort *dst = (GLushort *) destination; |
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| 144 | PACK_MACRO(GLushort); |
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| 145 | if (packing->SwapBytes) { |
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| 146 | _mesa_swap2(dst, n * comps); |
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| 147 | } |
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| 148 | } |
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| 149 | break; |
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| 150 | case GL_SHORT: |
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| 151 | { |
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| 152 | GLshort *dst = (GLshort *) destination; |
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| 153 | PACK_MACRO(GLshort); |
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| 154 | if (packing->SwapBytes) { |
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| 155 | _mesa_swap2((GLushort *) dst, n * comps); |
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| 156 | } |
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| 157 | } |
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| 158 | break; |
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| 159 | case GL_UNSIGNED_INT: |
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| 160 | { |
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| 161 | GLuint *dst = (GLuint *) destination; |
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| 162 | PACK_MACRO(GLuint); |
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| 163 | if (packing->SwapBytes) { |
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| 164 | _mesa_swap4(dst, n * comps); |
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| 165 | } |
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| 166 | } |
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| 167 | break; |
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| 168 | case GL_INT: |
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| 169 | { |
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| 170 | GLint *dst = (GLint *) destination; |
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| 171 | PACK_MACRO(GLint); |
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| 172 | if (packing->SwapBytes) { |
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| 173 | _mesa_swap4((GLuint *) dst, n * comps); |
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| 174 | } |
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| 175 | } |
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| 176 | break; |
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| 177 | case GL_FLOAT: |
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| 178 | { |
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| 179 | GLfloat *dst = (GLfloat *) destination; |
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| 180 | PACK_MACRO(GLfloat); |
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| 181 | if (packing->SwapBytes) { |
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| 182 | _mesa_swap4((GLuint *) dst, n * comps); |
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| 183 | } |
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| 184 | } |
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| 185 | break; |
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| 186 | case GL_UNSIGNED_BYTE_3_3_2: |
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| 187 | if (format == GL_RGB) { |
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| 188 | GLubyte *dst = (GLubyte *) destination; |
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| 189 | GLuint i; |
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| 190 | for (i = 0; i < n; i++) { |
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| 191 | dst[i] = ((rgba[i][RCOMP] & 0x7) << 5) |
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| 192 | | ((rgba[i][GCOMP] & 0x7) << 2) |
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| 193 | | ((rgba[i][BCOMP] & 0x3) ); |
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| 194 | } |
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| 195 | } |
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| 196 | else { |
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| 197 | GLubyte *dst = (GLubyte *) destination; |
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| 198 | GLuint i; |
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| 199 | ASSERT(format == GL_BGR); |
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| 200 | for (i = 0; i < n; i++) { |
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| 201 | dst[i] = ((rgba[i][BCOMP] & 0x7) << 5) |
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| 202 | | ((rgba[i][GCOMP] & 0x7) << 2) |
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| 203 | | ((rgba[i][RCOMP] & 0x3) ); |
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| 204 | } |
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| 205 | } |
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| 206 | break; |
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| 207 | case GL_UNSIGNED_BYTE_2_3_3_REV: |
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| 208 | if (format == GL_RGB) { |
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| 209 | GLubyte *dst = (GLubyte *) destination; |
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| 210 | GLuint i; |
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| 211 | for (i = 0; i < n; i++) { |
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| 212 | dst[i] = ((rgba[i][RCOMP] & 0x3) << 6) |
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| 213 | | ((rgba[i][GCOMP] & 0x7) << 3) |
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| 214 | | ((rgba[i][BCOMP] & 0x7) ); |
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| 215 | } |
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| 216 | } |
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| 217 | else { |
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| 218 | GLubyte *dst = (GLubyte *) destination; |
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| 219 | GLuint i; |
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| 220 | ASSERT(format == GL_BGR); |
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| 221 | for (i = 0; i < n; i++) { |
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| 222 | dst[i] = ((rgba[i][BCOMP] & 0x3) << 6) |
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| 223 | | ((rgba[i][GCOMP] & 0x7) << 3) |
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| 224 | | ((rgba[i][RCOMP] & 0x7) ); |
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| 225 | } |
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| 226 | } |
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| 227 | break; |
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| 228 | case GL_UNSIGNED_SHORT_5_6_5: |
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| 229 | if (format == GL_RGB) { |
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| 230 | GLushort *dst = (GLushort *) destination; |
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| 231 | GLuint i; |
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| 232 | for (i = 0; i < n; i++) { |
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| 233 | dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) |
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| 234 | | ((rgba[i][GCOMP] & 0x3f) << 5) |
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| 235 | | ((rgba[i][BCOMP] & 0x1f) ); |
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| 236 | } |
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| 237 | } |
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| 238 | else { |
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| 239 | GLushort *dst = (GLushort *) destination; |
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| 240 | GLuint i; |
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| 241 | ASSERT(format == GL_BGR); |
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| 242 | for (i = 0; i < n; i++) { |
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| 243 | dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11) |
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| 244 | | ((rgba[i][GCOMP] & 0x3f) << 5) |
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| 245 | | ((rgba[i][RCOMP] & 0x1f) ); |
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| 246 | } |
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| 247 | } |
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| 248 | break; |
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| 249 | case GL_UNSIGNED_SHORT_5_6_5_REV: |
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| 250 | if (format == GL_RGB) { |
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| 251 | GLushort *dst = (GLushort *) destination; |
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| 252 | GLuint i; |
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| 253 | for (i = 0; i < n; i++) { |
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| 254 | dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11) |
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| 255 | | ((rgba[i][GCOMP] & 0x3f) << 5) |
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| 256 | | ((rgba[i][RCOMP] & 0x1f) ); |
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| 257 | } |
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| 258 | } |
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| 259 | else { |
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| 260 | GLushort *dst = (GLushort *) destination; |
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| 261 | GLuint i; |
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| 262 | ASSERT(format == GL_BGR); |
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| 263 | for (i = 0; i < n; i++) { |
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| 264 | dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) |
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| 265 | | ((rgba[i][GCOMP] & 0x3f) << 5) |
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| 266 | | ((rgba[i][BCOMP] & 0x1f) ); |
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| 267 | } |
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| 268 | } |
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| 269 | break; |
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| 270 | case GL_UNSIGNED_SHORT_4_4_4_4: |
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| 271 | if (format == GL_RGBA) { |
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| 272 | GLushort *dst = (GLushort *) destination; |
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| 273 | GLuint i; |
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| 274 | for (i = 0; i < n; i++) { |
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| 275 | dst[i] = ((rgba[i][RCOMP] & 0xf) << 12) |
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| 276 | | ((rgba[i][GCOMP] & 0xf) << 8) |
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| 277 | | ((rgba[i][BCOMP] & 0xf) << 4) |
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| 278 | | ((rgba[i][ACOMP] & 0xf) ); |
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| 279 | } |
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| 280 | } |
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| 281 | else if (format == GL_BGRA) { |
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| 282 | GLushort *dst = (GLushort *) destination; |
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| 283 | GLuint i; |
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| 284 | for (i = 0; i < n; i++) { |
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| 285 | dst[i] = ((rgba[i][BCOMP] & 0xf) << 12) |
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| 286 | | ((rgba[i][GCOMP] & 0xf) << 8) |
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| 287 | | ((rgba[i][RCOMP] & 0xf) << 4) |
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| 288 | | ((rgba[i][ACOMP] & 0xf) ); |
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| 289 | } |
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| 290 | } |
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| 291 | else { |
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| 292 | GLushort *dst = (GLushort *) destination; |
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| 293 | GLuint i; |
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| 294 | ASSERT(format == GL_ABGR_EXT); |
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| 295 | for (i = 0; i < n; i++) { |
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| 296 | dst[i] = ((rgba[i][ACOMP] & 0xf) << 12) |
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| 297 | | ((rgba[i][BCOMP] & 0xf) << 8) |
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| 298 | | ((rgba[i][GCOMP] & 0xf) << 4) |
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| 299 | | ((rgba[i][RCOMP] & 0xf) ); |
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| 300 | } |
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| 301 | } |
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| 302 | break; |
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| 303 | case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
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| 304 | if (format == GL_RGBA) { |
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| 305 | GLushort *dst = (GLushort *) destination; |
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| 306 | GLuint i; |
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| 307 | for (i = 0; i < n; i++) { |
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| 308 | dst[i] = ((rgba[i][ACOMP] & 0xf) << 12) |
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| 309 | | ((rgba[i][BCOMP] & 0xf) << 8) |
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| 310 | | ((rgba[i][GCOMP] & 0xf) << 4) |
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| 311 | | ((rgba[i][RCOMP] & 0xf) ); |
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| 312 | } |
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| 313 | } |
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| 314 | else if (format == GL_BGRA) { |
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| 315 | GLushort *dst = (GLushort *) destination; |
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| 316 | GLuint i; |
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| 317 | for (i = 0; i < n; i++) { |
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| 318 | dst[i] = ((rgba[i][ACOMP] & 0xf) << 12) |
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| 319 | | ((rgba[i][RCOMP] & 0xf) << 8) |
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| 320 | | ((rgba[i][GCOMP] & 0xf) << 4) |
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| 321 | | ((rgba[i][BCOMP] & 0xf) ); |
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| 322 | } |
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| 323 | } |
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| 324 | else { |
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| 325 | GLushort *dst = (GLushort *) destination; |
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| 326 | GLuint i; |
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| 327 | ASSERT(format == GL_ABGR_EXT); |
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| 328 | for (i = 0; i < n; i++) { |
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| 329 | dst[i] = ((rgba[i][RCOMP] & 0xf) << 12) |
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| 330 | | ((rgba[i][GCOMP] & 0xf) << 8) |
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| 331 | | ((rgba[i][BCOMP] & 0xf) << 4) |
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| 332 | | ((rgba[i][ACOMP] & 0xf) ); |
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| 333 | } |
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| 334 | } |
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| 335 | break; |
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| 336 | case GL_UNSIGNED_SHORT_5_5_5_1: |
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| 337 | if (format == GL_RGBA) { |
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| 338 | GLushort *dst = (GLushort *) destination; |
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| 339 | GLuint i; |
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| 340 | for (i = 0; i < n; i++) { |
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| 341 | dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) |
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| 342 | | ((rgba[i][GCOMP] & 0x1f) << 6) |
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| 343 | | ((rgba[i][BCOMP] & 0x1f) << 1) |
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| 344 | | ((rgba[i][ACOMP] & 0x1) ); |
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| 345 | } |
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| 346 | } |
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| 347 | else if (format == GL_BGRA) { |
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| 348 | GLushort *dst = (GLushort *) destination; |
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| 349 | GLuint i; |
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| 350 | for (i = 0; i < n; i++) { |
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| 351 | dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11) |
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| 352 | | ((rgba[i][GCOMP] & 0x1f) << 6) |
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| 353 | | ((rgba[i][RCOMP] & 0x1f) << 1) |
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| 354 | | ((rgba[i][ACOMP] & 0x1) ); |
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| 355 | } |
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| 356 | } |
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| 357 | else { |
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| 358 | GLushort *dst = (GLushort *) destination; |
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| 359 | GLuint i; |
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| 360 | ASSERT(format == GL_ABGR_EXT); |
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| 361 | for (i = 0; i < n; i++) { |
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| 362 | dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11) |
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| 363 | | ((rgba[i][BCOMP] & 0x1f) << 6) |
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| 364 | | ((rgba[i][GCOMP] & 0x1f) << 1) |
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| 365 | | ((rgba[i][RCOMP] & 0x1) ); |
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| 366 | } |
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| 367 | } |
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| 368 | break; |
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| 369 | case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
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| 370 | if (format == GL_RGBA) { |
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| 371 | GLushort *dst = (GLushort *) destination; |
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| 372 | GLuint i; |
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| 373 | for (i = 0; i < n; i++) { |
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| 374 | dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11) |
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| 375 | | ((rgba[i][BCOMP] & 0x1f) << 6) |
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| 376 | | ((rgba[i][GCOMP] & 0x1f) << 1) |
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| 377 | | ((rgba[i][RCOMP] & 0x1) ); |
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| 378 | } |
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| 379 | } |
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| 380 | else if (format == GL_BGRA) { |
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| 381 | GLushort *dst = (GLushort *) destination; |
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| 382 | GLuint i; |
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| 383 | for (i = 0; i < n; i++) { |
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| 384 | dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11) |
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| 385 | | ((rgba[i][RCOMP] & 0x1f) << 6) |
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| 386 | | ((rgba[i][GCOMP] & 0x1f) << 1) |
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| 387 | | ((rgba[i][BCOMP] & 0x1) ); |
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| 388 | } |
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| 389 | } |
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| 390 | else { |
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| 391 | GLushort *dst = (GLushort *) destination; |
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| 392 | GLuint i; |
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| 393 | ASSERT(format == GL_ABGR_EXT); |
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| 394 | for (i = 0; i < n; i++) { |
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| 395 | dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) |
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| 396 | | ((rgba[i][GCOMP] & 0x1f) << 6) |
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| 397 | | ((rgba[i][BCOMP] & 0x1f) << 1) |
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| 398 | | ((rgba[i][ACOMP] & 0x1) ); |
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| 399 | } |
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| 400 | } |
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| 401 | break; |
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| 402 | case GL_UNSIGNED_INT_8_8_8_8: |
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| 403 | if (format == GL_RGBA) { |
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| 404 | GLuint *dst = (GLuint *) destination; |
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| 405 | GLuint i; |
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| 406 | for (i = 0; i < n; i++) { |
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| 407 | dst[i] = ((rgba[i][RCOMP] & 0xff) << 24) |
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| 408 | | ((rgba[i][GCOMP] & 0xff) << 16) |
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| 409 | | ((rgba[i][BCOMP] & 0xff) << 8) |
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| 410 | | ((rgba[i][ACOMP] & 0xff) ); |
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| 411 | } |
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| 412 | } |
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| 413 | else if (format == GL_BGRA) { |
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| 414 | GLuint *dst = (GLuint *) destination; |
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| 415 | GLuint i; |
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| 416 | for (i = 0; i < n; i++) { |
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| 417 | dst[i] = ((rgba[i][BCOMP] & 0xff) << 24) |
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| 418 | | ((rgba[i][GCOMP] & 0xff) << 16) |
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| 419 | | ((rgba[i][RCOMP] & 0xff) << 8) |
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| 420 | | ((rgba[i][ACOMP] & 0xff) ); |
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| 421 | } |
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| 422 | } |
||
| 423 | else { |
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| 424 | GLuint *dst = (GLuint *) destination; |
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| 425 | GLuint i; |
||
| 426 | ASSERT(format == GL_ABGR_EXT); |
||
| 427 | for (i = 0; i < n; i++) { |
||
| 428 | dst[i] = ((rgba[i][ACOMP] & 0xff) << 24) |
||
| 429 | | ((rgba[i][BCOMP] & 0xff) << 16) |
||
| 430 | | ((rgba[i][GCOMP] & 0xff) << 8) |
||
| 431 | | ((rgba[i][RCOMP] & 0xff) ); |
||
| 432 | } |
||
| 433 | } |
||
| 434 | break; |
||
| 435 | case GL_UNSIGNED_INT_8_8_8_8_REV: |
||
| 436 | if (format == GL_RGBA) { |
||
| 437 | GLuint *dst = (GLuint *) destination; |
||
| 438 | GLuint i; |
||
| 439 | for (i = 0; i < n; i++) { |
||
| 440 | dst[i] = ((rgba[i][ACOMP] & 0xff) << 24) |
||
| 441 | | ((rgba[i][BCOMP] & 0xff) << 16) |
||
| 442 | | ((rgba[i][GCOMP] & 0xff) << 8) |
||
| 443 | | ((rgba[i][RCOMP] & 0xff) ); |
||
| 444 | } |
||
| 445 | } |
||
| 446 | else if (format == GL_BGRA) { |
||
| 447 | GLuint *dst = (GLuint *) destination; |
||
| 448 | GLuint i; |
||
| 449 | for (i = 0; i < n; i++) { |
||
| 450 | dst[i] = ((rgba[i][ACOMP] & 0xff) << 24) |
||
| 451 | | ((rgba[i][RCOMP] & 0xff) << 16) |
||
| 452 | | ((rgba[i][GCOMP] & 0xff) << 8) |
||
| 453 | | ((rgba[i][BCOMP] & 0xff) ); |
||
| 454 | } |
||
| 455 | } |
||
| 456 | else { |
||
| 457 | GLuint *dst = (GLuint *) destination; |
||
| 458 | GLuint i; |
||
| 459 | ASSERT(format == GL_ABGR_EXT); |
||
| 460 | for (i = 0; i < n; i++) { |
||
| 461 | dst[i] = ((rgba[i][RCOMP] & 0xff) << 24) |
||
| 462 | | ((rgba[i][GCOMP] & 0xff) << 16) |
||
| 463 | | ((rgba[i][BCOMP] & 0xff) << 8) |
||
| 464 | | ((rgba[i][ACOMP] & 0xff) ); |
||
| 465 | } |
||
| 466 | } |
||
| 467 | break; |
||
| 468 | case GL_UNSIGNED_INT_10_10_10_2: |
||
| 469 | if (format == GL_RGBA) { |
||
| 470 | GLuint *dst = (GLuint *) destination; |
||
| 471 | GLuint i; |
||
| 472 | for (i = 0; i < n; i++) { |
||
| 473 | dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22) |
||
| 474 | | ((rgba[i][GCOMP] & 0x3ff) << 12) |
||
| 475 | | ((rgba[i][BCOMP] & 0x3ff) << 2) |
||
| 476 | | ((rgba[i][ACOMP] & 0x3) ); |
||
| 477 | } |
||
| 478 | } |
||
| 479 | else if (format == GL_BGRA) { |
||
| 480 | GLuint *dst = (GLuint *) destination; |
||
| 481 | GLuint i; |
||
| 482 | for (i = 0; i < n; i++) { |
||
| 483 | dst[i] = ((rgba[i][BCOMP] & 0x3ff) << 22) |
||
| 484 | | ((rgba[i][GCOMP] & 0x3ff) << 12) |
||
| 485 | | ((rgba[i][RCOMP] & 0x3ff) << 2) |
||
| 486 | | ((rgba[i][ACOMP] & 0x3) ); |
||
| 487 | } |
||
| 488 | } |
||
| 489 | else { |
||
| 490 | GLuint *dst = (GLuint *) destination; |
||
| 491 | GLuint i; |
||
| 492 | ASSERT(format == GL_ABGR_EXT); |
||
| 493 | for (i = 0; i < n; i++) { |
||
| 494 | dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22) |
||
| 495 | | ((rgba[i][BCOMP] & 0x3ff) << 12) |
||
| 496 | | ((rgba[i][GCOMP] & 0x3ff) << 2) |
||
| 497 | | ((rgba[i][RCOMP] & 0x3) ); |
||
| 498 | } |
||
| 499 | } |
||
| 500 | break; |
||
| 501 | case GL_UNSIGNED_INT_2_10_10_10_REV: |
||
| 502 | if (format == GL_RGBA) { |
||
| 503 | GLuint *dst = (GLuint *) destination; |
||
| 504 | GLuint i; |
||
| 505 | for (i = 0; i < n; i++) { |
||
| 506 | dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22) |
||
| 507 | | ((rgba[i][BCOMP] & 0x3ff) << 12) |
||
| 508 | | ((rgba[i][GCOMP] & 0x3ff) << 2) |
||
| 509 | | ((rgba[i][RCOMP] & 0x3) ); |
||
| 510 | } |
||
| 511 | } |
||
| 512 | else if (format == GL_BGRA) { |
||
| 513 | GLuint *dst = (GLuint *) destination; |
||
| 514 | GLuint i; |
||
| 515 | for (i = 0; i < n; i++) { |
||
| 516 | dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22) |
||
| 517 | | ((rgba[i][RCOMP] & 0x3ff) << 12) |
||
| 518 | | ((rgba[i][GCOMP] & 0x3ff) << 2) |
||
| 519 | | ((rgba[i][BCOMP] & 0x3) ); |
||
| 520 | } |
||
| 521 | } |
||
| 522 | else { |
||
| 523 | GLuint *dst = (GLuint *) destination; |
||
| 524 | GLuint i; |
||
| 525 | ASSERT(format == GL_ABGR_EXT); |
||
| 526 | for (i = 0; i < n; i++) { |
||
| 527 | dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22) |
||
| 528 | | ((rgba[i][GCOMP] & 0x3ff) << 12) |
||
| 529 | | ((rgba[i][BCOMP] & 0x3ff) << 2) |
||
| 530 | | ((rgba[i][ACOMP] & 0x3) ); |
||
| 531 | } |
||
| 532 | } |
||
| 533 | break; |
||
| 534 | default: |
||
| 535 | _mesa_problem(ctx, "Bad type in pack_histogram"); |
||
| 536 | } |
||
| 537 | |||
| 538 | #undef PACK_MACRO |
||
| 539 | } |
||
| 540 | |||
| 541 | |||
| 542 | /* |
||
| 543 | * Given an internalFormat token passed to glHistogram or glMinMax, |
||
| 544 | * return the corresponding base format. |
||
| 545 | * Return -1 if invalid token. |
||
| 546 | */ |
||
| 547 | static GLint |
||
| 548 | base_histogram_format( GLenum format ) |
||
| 549 | { |
||
| 550 | switch (format) { |
||
| 551 | case GL_ALPHA: |
||
| 552 | case GL_ALPHA4: |
||
| 553 | case GL_ALPHA8: |
||
| 554 | case GL_ALPHA12: |
||
| 555 | case GL_ALPHA16: |
||
| 556 | return GL_ALPHA; |
||
| 557 | case GL_LUMINANCE: |
||
| 558 | case GL_LUMINANCE4: |
||
| 559 | case GL_LUMINANCE8: |
||
| 560 | case GL_LUMINANCE12: |
||
| 561 | case GL_LUMINANCE16: |
||
| 562 | return GL_LUMINANCE; |
||
| 563 | case GL_LUMINANCE_ALPHA: |
||
| 564 | case GL_LUMINANCE4_ALPHA4: |
||
| 565 | case GL_LUMINANCE6_ALPHA2: |
||
| 566 | case GL_LUMINANCE8_ALPHA8: |
||
| 567 | case GL_LUMINANCE12_ALPHA4: |
||
| 568 | case GL_LUMINANCE12_ALPHA12: |
||
| 569 | case GL_LUMINANCE16_ALPHA16: |
||
| 570 | return GL_LUMINANCE_ALPHA; |
||
| 571 | case GL_RGB: |
||
| 572 | case GL_R3_G3_B2: |
||
| 573 | case GL_RGB4: |
||
| 574 | case GL_RGB5: |
||
| 575 | case GL_RGB8: |
||
| 576 | case GL_RGB10: |
||
| 577 | case GL_RGB12: |
||
| 578 | case GL_RGB16: |
||
| 579 | return GL_RGB; |
||
| 580 | case GL_RGBA: |
||
| 581 | case GL_RGBA2: |
||
| 582 | case GL_RGBA4: |
||
| 583 | case GL_RGB5_A1: |
||
| 584 | case GL_RGBA8: |
||
| 585 | case GL_RGB10_A2: |
||
| 586 | case GL_RGBA12: |
||
| 587 | case GL_RGBA16: |
||
| 588 | return GL_RGBA; |
||
| 589 | default: |
||
| 590 | return -1; /* error */ |
||
| 591 | } |
||
| 592 | } |
||
| 593 | |||
| 594 | |||
| 595 | void |
||
| 596 | _mesa_GetMinmax(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values) |
||
| 597 | { |
||
| 598 | GET_CURRENT_CONTEXT(ctx); |
||
| 599 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
||
| 600 | |||
| 601 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 602 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax"); |
||
| 603 | return; |
||
| 604 | } |
||
| 605 | |||
| 606 | if (target != GL_MINMAX) { |
||
| 607 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmax(target)"); |
||
| 608 | return; |
||
| 609 | } |
||
| 610 | |||
| 611 | if (!_mesa_is_legal_format_and_type(format, type)) { |
||
| 612 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax(format or type)"); |
||
| 613 | return; |
||
| 614 | } |
||
| 615 | |||
| 616 | if (type != GL_UNSIGNED_BYTE && |
||
| 617 | type != GL_BYTE && |
||
| 618 | type != GL_UNSIGNED_SHORT && |
||
| 619 | type != GL_SHORT && |
||
| 620 | type != GL_UNSIGNED_INT && |
||
| 621 | type != GL_INT && |
||
| 622 | type != GL_FLOAT && |
||
| 623 | type != GL_UNSIGNED_BYTE_3_3_2 && |
||
| 624 | type != GL_UNSIGNED_BYTE_2_3_3_REV && |
||
| 625 | type != GL_UNSIGNED_SHORT_5_6_5 && |
||
| 626 | type != GL_UNSIGNED_SHORT_5_6_5_REV && |
||
| 627 | type != GL_UNSIGNED_SHORT_4_4_4_4 && |
||
| 628 | type != GL_UNSIGNED_SHORT_4_4_4_4_REV && |
||
| 629 | type != GL_UNSIGNED_SHORT_5_5_5_1 && |
||
| 630 | type != GL_UNSIGNED_SHORT_1_5_5_5_REV && |
||
| 631 | type != GL_UNSIGNED_INT_8_8_8_8 && |
||
| 632 | type != GL_UNSIGNED_INT_8_8_8_8_REV && |
||
| 633 | type != GL_UNSIGNED_INT_10_10_10_2 && |
||
| 634 | type != GL_UNSIGNED_INT_2_10_10_10_REV) { |
||
| 635 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmax(type)"); |
||
| 636 | return; |
||
| 637 | } |
||
| 638 | |||
| 639 | if (!values) |
||
| 640 | return; |
||
| 641 | |||
| 642 | { |
||
| 643 | GLfloat minmax[2][4]; |
||
| 644 | minmax[0][RCOMP] = CLAMP(ctx->MinMax.Min[RCOMP], 0.0F, 1.0F); |
||
| 645 | minmax[0][GCOMP] = CLAMP(ctx->MinMax.Min[GCOMP], 0.0F, 1.0F); |
||
| 646 | minmax[0][BCOMP] = CLAMP(ctx->MinMax.Min[BCOMP], 0.0F, 1.0F); |
||
| 647 | minmax[0][ACOMP] = CLAMP(ctx->MinMax.Min[ACOMP], 0.0F, 1.0F); |
||
| 648 | minmax[1][RCOMP] = CLAMP(ctx->MinMax.Max[RCOMP], 0.0F, 1.0F); |
||
| 649 | minmax[1][GCOMP] = CLAMP(ctx->MinMax.Max[GCOMP], 0.0F, 1.0F); |
||
| 650 | minmax[1][BCOMP] = CLAMP(ctx->MinMax.Max[BCOMP], 0.0F, 1.0F); |
||
| 651 | minmax[1][ACOMP] = CLAMP(ctx->MinMax.Max[ACOMP], 0.0F, 1.0F); |
||
| 652 | _mesa_pack_float_rgba_span(ctx, 2, (CONST GLfloat (*)[4]) minmax, |
||
| 653 | format, type, values, &ctx->Pack, 0); |
||
| 654 | } |
||
| 655 | |||
| 656 | if (reset) { |
||
| 657 | _mesa_ResetMinmax(GL_MINMAX); |
||
| 658 | } |
||
| 659 | } |
||
| 660 | |||
| 661 | |||
| 662 | void |
||
| 663 | _mesa_GetHistogram(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values) |
||
| 664 | { |
||
| 665 | GET_CURRENT_CONTEXT(ctx); |
||
| 666 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
||
| 667 | |||
| 668 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 669 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram"); |
||
| 670 | return; |
||
| 671 | } |
||
| 672 | |||
| 673 | if (target != GL_HISTOGRAM) { |
||
| 674 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(target)"); |
||
| 675 | return; |
||
| 676 | } |
||
| 677 | |||
| 678 | if (!_mesa_is_legal_format_and_type(format, type)) { |
||
| 679 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram(format or type)"); |
||
| 680 | return; |
||
| 681 | } |
||
| 682 | |||
| 683 | if (type != GL_UNSIGNED_BYTE && |
||
| 684 | type != GL_BYTE && |
||
| 685 | type != GL_UNSIGNED_SHORT && |
||
| 686 | type != GL_SHORT && |
||
| 687 | type != GL_UNSIGNED_INT && |
||
| 688 | type != GL_INT && |
||
| 689 | type != GL_FLOAT && |
||
| 690 | type != GL_UNSIGNED_BYTE_3_3_2 && |
||
| 691 | type != GL_UNSIGNED_BYTE_2_3_3_REV && |
||
| 692 | type != GL_UNSIGNED_SHORT_5_6_5 && |
||
| 693 | type != GL_UNSIGNED_SHORT_5_6_5_REV && |
||
| 694 | type != GL_UNSIGNED_SHORT_4_4_4_4 && |
||
| 695 | type != GL_UNSIGNED_SHORT_4_4_4_4_REV && |
||
| 696 | type != GL_UNSIGNED_SHORT_5_5_5_1 && |
||
| 697 | type != GL_UNSIGNED_SHORT_1_5_5_5_REV && |
||
| 698 | type != GL_UNSIGNED_INT_8_8_8_8 && |
||
| 699 | type != GL_UNSIGNED_INT_8_8_8_8_REV && |
||
| 700 | type != GL_UNSIGNED_INT_10_10_10_2 && |
||
| 701 | type != GL_UNSIGNED_INT_2_10_10_10_REV) { |
||
| 702 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(type)"); |
||
| 703 | return; |
||
| 704 | } |
||
| 705 | |||
| 706 | if (!values) |
||
| 707 | return; |
||
| 708 | |||
| 709 | pack_histogram(ctx, ctx->Histogram.Width, |
||
| 710 | (CONST GLuint (*)[4]) ctx->Histogram.Count, |
||
| 711 | format, type, values, &ctx->Pack); |
||
| 712 | |||
| 713 | if (reset) { |
||
| 714 | GLuint i; |
||
| 715 | for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { |
||
| 716 | ctx->Histogram.Count[i][0] = 0; |
||
| 717 | ctx->Histogram.Count[i][1] = 0; |
||
| 718 | ctx->Histogram.Count[i][2] = 0; |
||
| 719 | ctx->Histogram.Count[i][3] = 0; |
||
| 720 | } |
||
| 721 | } |
||
| 722 | } |
||
| 723 | |||
| 724 | |||
| 725 | void |
||
| 726 | _mesa_GetHistogramParameterfv(GLenum target, GLenum pname, GLfloat *params) |
||
| 727 | { |
||
| 728 | GET_CURRENT_CONTEXT(ctx); |
||
| 729 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
| 730 | |||
| 731 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 732 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameterfv"); |
||
| 733 | return; |
||
| 734 | } |
||
| 735 | |||
| 736 | if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) { |
||
| 737 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(target)"); |
||
| 738 | return; |
||
| 739 | } |
||
| 740 | |||
| 741 | switch (pname) { |
||
| 742 | case GL_HISTOGRAM_WIDTH: |
||
| 743 | *params = (GLfloat) ctx->Histogram.Width; |
||
| 744 | break; |
||
| 745 | case GL_HISTOGRAM_FORMAT: |
||
| 746 | *params = (GLfloat) ctx->Histogram.Format; |
||
| 747 | break; |
||
| 748 | case GL_HISTOGRAM_RED_SIZE: |
||
| 749 | *params = (GLfloat) ctx->Histogram.RedSize; |
||
| 750 | break; |
||
| 751 | case GL_HISTOGRAM_GREEN_SIZE: |
||
| 752 | *params = (GLfloat) ctx->Histogram.GreenSize; |
||
| 753 | break; |
||
| 754 | case GL_HISTOGRAM_BLUE_SIZE: |
||
| 755 | *params = (GLfloat) ctx->Histogram.BlueSize; |
||
| 756 | break; |
||
| 757 | case GL_HISTOGRAM_ALPHA_SIZE: |
||
| 758 | *params = (GLfloat) ctx->Histogram.AlphaSize; |
||
| 759 | break; |
||
| 760 | case GL_HISTOGRAM_LUMINANCE_SIZE: |
||
| 761 | *params = (GLfloat) ctx->Histogram.LuminanceSize; |
||
| 762 | break; |
||
| 763 | case GL_HISTOGRAM_SINK: |
||
| 764 | *params = (GLfloat) ctx->Histogram.Sink; |
||
| 765 | break; |
||
| 766 | default: |
||
| 767 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(pname)"); |
||
| 768 | } |
||
| 769 | } |
||
| 770 | |||
| 771 | |||
| 772 | void |
||
| 773 | _mesa_GetHistogramParameteriv(GLenum target, GLenum pname, GLint *params) |
||
| 774 | { |
||
| 775 | GET_CURRENT_CONTEXT(ctx); |
||
| 776 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
| 777 | |||
| 778 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 779 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameteriv"); |
||
| 780 | return; |
||
| 781 | } |
||
| 782 | |||
| 783 | if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) { |
||
| 784 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(target)"); |
||
| 785 | return; |
||
| 786 | } |
||
| 787 | |||
| 788 | switch (pname) { |
||
| 789 | case GL_HISTOGRAM_WIDTH: |
||
| 790 | *params = (GLint) ctx->Histogram.Width; |
||
| 791 | break; |
||
| 792 | case GL_HISTOGRAM_FORMAT: |
||
| 793 | *params = (GLint) ctx->Histogram.Format; |
||
| 794 | break; |
||
| 795 | case GL_HISTOGRAM_RED_SIZE: |
||
| 796 | *params = (GLint) ctx->Histogram.RedSize; |
||
| 797 | break; |
||
| 798 | case GL_HISTOGRAM_GREEN_SIZE: |
||
| 799 | *params = (GLint) ctx->Histogram.GreenSize; |
||
| 800 | break; |
||
| 801 | case GL_HISTOGRAM_BLUE_SIZE: |
||
| 802 | *params = (GLint) ctx->Histogram.BlueSize; |
||
| 803 | break; |
||
| 804 | case GL_HISTOGRAM_ALPHA_SIZE: |
||
| 805 | *params = (GLint) ctx->Histogram.AlphaSize; |
||
| 806 | break; |
||
| 807 | case GL_HISTOGRAM_LUMINANCE_SIZE: |
||
| 808 | *params = (GLint) ctx->Histogram.LuminanceSize; |
||
| 809 | break; |
||
| 810 | case GL_HISTOGRAM_SINK: |
||
| 811 | *params = (GLint) ctx->Histogram.Sink; |
||
| 812 | break; |
||
| 813 | default: |
||
| 814 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(pname)"); |
||
| 815 | } |
||
| 816 | } |
||
| 817 | |||
| 818 | |||
| 819 | void |
||
| 820 | _mesa_GetMinmaxParameterfv(GLenum target, GLenum pname, GLfloat *params) |
||
| 821 | { |
||
| 822 | GET_CURRENT_CONTEXT(ctx); |
||
| 823 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
| 824 | |||
| 825 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 826 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameterfv"); |
||
| 827 | return; |
||
| 828 | } |
||
| 829 | if (target != GL_MINMAX) { |
||
| 830 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameterfv(target)"); |
||
| 831 | return; |
||
| 832 | } |
||
| 833 | if (pname == GL_MINMAX_FORMAT) { |
||
| 834 | *params = (GLfloat) ctx->MinMax.Format; |
||
| 835 | } |
||
| 836 | else if (pname == GL_MINMAX_SINK) { |
||
| 837 | *params = (GLfloat) ctx->MinMax.Sink; |
||
| 838 | } |
||
| 839 | else { |
||
| 840 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameterfv(pname)"); |
||
| 841 | } |
||
| 842 | } |
||
| 843 | |||
| 844 | |||
| 845 | void |
||
| 846 | _mesa_GetMinmaxParameteriv(GLenum target, GLenum pname, GLint *params) |
||
| 847 | { |
||
| 848 | GET_CURRENT_CONTEXT(ctx); |
||
| 849 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
| 850 | |||
| 851 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 852 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameteriv"); |
||
| 853 | return; |
||
| 854 | } |
||
| 855 | if (target != GL_MINMAX) { |
||
| 856 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameteriv(target)"); |
||
| 857 | return; |
||
| 858 | } |
||
| 859 | if (pname == GL_MINMAX_FORMAT) { |
||
| 860 | *params = (GLint) ctx->MinMax.Format; |
||
| 861 | } |
||
| 862 | else if (pname == GL_MINMAX_SINK) { |
||
| 863 | *params = (GLint) ctx->MinMax.Sink; |
||
| 864 | } |
||
| 865 | else { |
||
| 866 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameteriv(pname)"); |
||
| 867 | } |
||
| 868 | } |
||
| 869 | |||
| 870 | |||
| 871 | void |
||
| 872 | _mesa_Histogram(GLenum target, GLsizei width, GLenum internalFormat, GLboolean sink) |
||
| 873 | { |
||
| 874 | GLuint i; |
||
| 875 | GLboolean error = GL_FALSE; |
||
| 876 | GET_CURRENT_CONTEXT(ctx); |
||
| 877 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */ |
||
| 878 | |||
| 879 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 880 | _mesa_error(ctx, GL_INVALID_OPERATION, "glHistogram"); |
||
| 881 | return; |
||
| 882 | } |
||
| 883 | |||
| 884 | if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) { |
||
| 885 | _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(target)"); |
||
| 886 | return; |
||
| 887 | } |
||
| 888 | |||
| 889 | if (width < 0 || width > HISTOGRAM_TABLE_SIZE) { |
||
| 890 | if (target == GL_PROXY_HISTOGRAM) { |
||
| 891 | error = GL_TRUE; |
||
| 892 | } |
||
| 893 | else { |
||
| 894 | if (width < 0) |
||
| 895 | _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)"); |
||
| 896 | else |
||
| 897 | _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glHistogram(width)"); |
||
| 898 | return; |
||
| 899 | } |
||
| 900 | } |
||
| 901 | |||
| 902 | if (width != 0 && _mesa_bitcount(width) != 1) { |
||
| 903 | if (target == GL_PROXY_HISTOGRAM) { |
||
| 904 | error = GL_TRUE; |
||
| 905 | } |
||
| 906 | else { |
||
| 907 | _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)"); |
||
| 908 | return; |
||
| 909 | } |
||
| 910 | } |
||
| 911 | |||
| 912 | if (base_histogram_format(internalFormat) < 0) { |
||
| 913 | if (target == GL_PROXY_HISTOGRAM) { |
||
| 914 | error = GL_TRUE; |
||
| 915 | } |
||
| 916 | else { |
||
| 917 | _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(internalFormat)"); |
||
| 918 | return; |
||
| 919 | } |
||
| 920 | } |
||
| 921 | |||
| 922 | /* reset histograms */ |
||
| 923 | for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { |
||
| 924 | ctx->Histogram.Count[i][0] = 0; |
||
| 925 | ctx->Histogram.Count[i][1] = 0; |
||
| 926 | ctx->Histogram.Count[i][2] = 0; |
||
| 927 | ctx->Histogram.Count[i][3] = 0; |
||
| 928 | } |
||
| 929 | |||
| 930 | if (error) { |
||
| 931 | ctx->Histogram.Width = 0; |
||
| 932 | ctx->Histogram.Format = 0; |
||
| 933 | ctx->Histogram.RedSize = 0; |
||
| 934 | ctx->Histogram.GreenSize = 0; |
||
| 935 | ctx->Histogram.BlueSize = 0; |
||
| 936 | ctx->Histogram.AlphaSize = 0; |
||
| 937 | ctx->Histogram.LuminanceSize = 0; |
||
| 938 | } |
||
| 939 | else { |
||
| 940 | ctx->Histogram.Width = width; |
||
| 941 | ctx->Histogram.Format = internalFormat; |
||
| 942 | ctx->Histogram.Sink = sink; |
||
| 943 | ctx->Histogram.RedSize = 8 * sizeof(GLuint); |
||
| 944 | ctx->Histogram.GreenSize = 8 * sizeof(GLuint); |
||
| 945 | ctx->Histogram.BlueSize = 8 * sizeof(GLuint); |
||
| 946 | ctx->Histogram.AlphaSize = 8 * sizeof(GLuint); |
||
| 947 | ctx->Histogram.LuminanceSize = 8 * sizeof(GLuint); |
||
| 948 | } |
||
| 949 | |||
| 950 | ctx->NewState |= _NEW_PIXEL; |
||
| 951 | } |
||
| 952 | |||
| 953 | |||
| 954 | void |
||
| 955 | _mesa_Minmax(GLenum target, GLenum internalFormat, GLboolean sink) |
||
| 956 | { |
||
| 957 | GET_CURRENT_CONTEXT(ctx); |
||
| 958 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
| 959 | |||
| 960 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 961 | _mesa_error(ctx, GL_INVALID_OPERATION, "glMinmax"); |
||
| 962 | return; |
||
| 963 | } |
||
| 964 | |||
| 965 | if (target != GL_MINMAX) { |
||
| 966 | _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(target)"); |
||
| 967 | return; |
||
| 968 | } |
||
| 969 | |||
| 970 | if (base_histogram_format(internalFormat) < 0) { |
||
| 971 | _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(internalFormat)"); |
||
| 972 | return; |
||
| 973 | } |
||
| 974 | |||
| 975 | if (ctx->MinMax.Sink == sink) |
||
| 976 | return; |
||
| 977 | FLUSH_VERTICES(ctx, _NEW_PIXEL); |
||
| 978 | ctx->MinMax.Sink = sink; |
||
| 979 | } |
||
| 980 | |||
| 981 | |||
| 982 | void |
||
| 983 | _mesa_ResetHistogram(GLenum target) |
||
| 984 | { |
||
| 985 | GLuint i; |
||
| 986 | GET_CURRENT_CONTEXT(ctx); |
||
| 987 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */ |
||
| 988 | |||
| 989 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 990 | _mesa_error(ctx, GL_INVALID_OPERATION, "glResetHistogram"); |
||
| 991 | return; |
||
| 992 | } |
||
| 993 | |||
| 994 | if (target != GL_HISTOGRAM) { |
||
| 995 | _mesa_error(ctx, GL_INVALID_ENUM, "glResetHistogram(target)"); |
||
| 996 | return; |
||
| 997 | } |
||
| 998 | |||
| 999 | for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { |
||
| 1000 | ctx->Histogram.Count[i][0] = 0; |
||
| 1001 | ctx->Histogram.Count[i][1] = 0; |
||
| 1002 | ctx->Histogram.Count[i][2] = 0; |
||
| 1003 | ctx->Histogram.Count[i][3] = 0; |
||
| 1004 | } |
||
| 1005 | |||
| 1006 | ctx->NewState |= _NEW_PIXEL; |
||
| 1007 | } |
||
| 1008 | |||
| 1009 | |||
| 1010 | void |
||
| 1011 | _mesa_ResetMinmax(GLenum target) |
||
| 1012 | { |
||
| 1013 | GET_CURRENT_CONTEXT(ctx); |
||
| 1014 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
||
| 1015 | |||
| 1016 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
||
| 1017 | _mesa_error(ctx, GL_INVALID_OPERATION, "glResetMinmax"); |
||
| 1018 | return; |
||
| 1019 | } |
||
| 1020 | |||
| 1021 | if (target != GL_MINMAX) { |
||
| 1022 | _mesa_error(ctx, GL_INVALID_ENUM, "glResetMinMax(target)"); |
||
| 1023 | return; |
||
| 1024 | } |
||
| 1025 | |||
| 1026 | ctx->MinMax.Min[RCOMP] = 1000; ctx->MinMax.Max[RCOMP] = -1000; |
||
| 1027 | ctx->MinMax.Min[GCOMP] = 1000; ctx->MinMax.Max[GCOMP] = -1000; |
||
| 1028 | ctx->MinMax.Min[BCOMP] = 1000; ctx->MinMax.Max[BCOMP] = -1000; |
||
| 1029 | ctx->MinMax.Min[ACOMP] = 1000; ctx->MinMax.Max[ACOMP] = -1000; |
||
| 1030 | ctx->NewState |= _NEW_PIXEL; |
||
| 1031 | } |