/* * Mesa 3-D graphics library * * Copyright (c) 2011 VMware, Inc. * * 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 * THE AUTHORS 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 "colormac.h" #include "format_unpack.h" #include "macros.h" #include "../../gallium/auxiliary/util/u_format_rgb9e5.h" #include "../../gallium/auxiliary/util/u_format_r11g11b10f.h" /* Expand 1, 2, 3, 4, 5, 6-bit values to fill 8 bits */ #define EXPAND_1_8(X) ( (X) ? 0xff : 0x0 ) #define EXPAND_2_8(X) ( ((X) << 6) | ((X) << 4) | ((X) << 2) | (X) ) #define EXPAND_3_8(X) ( ((X) << 5) | ((X) << 2) | ((X) > 1) ) #define EXPAND_4_8(X) ( ((X) << 4) | (X) ) #define EXPAND_5_8(X) ( ((X) << 3) | ((X) >> 2) ) #define EXPAND_6_8(X) ( ((X) << 2) | ((X) >> 4) ) /** * Convert an 8-bit sRGB value from non-linear space to a * linear RGB value in [0, 1]. * Implemented with a 256-entry lookup table. */ static inline GLfloat nonlinear_to_linear(GLubyte cs8) { static GLfloat table[256]; static GLboolean tableReady = GL_FALSE; if (!tableReady) { /* compute lookup table now */ GLuint i; for (i = 0; i < 256; i++) { const GLfloat cs = UBYTE_TO_FLOAT(i); if (cs <= 0.04045) { table[i] = cs / 12.92f; } else { table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4); } } tableReady = GL_TRUE; } return table[cs8]; } /**********************************************************************/ /* Unpack, returning GLfloat colors */ /**********************************************************************/ typedef void (*unpack_rgba_func)(const void *src, GLfloat dst[][4], GLuint n); static void unpack_RGBA8888(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] >> 24) ); dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff ); dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff ); dst[i][ACOMP] = UBYTE_TO_FLOAT( (s[i] ) & 0xff ); } } static void unpack_RGBA8888_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] ) & 0xff ); dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff ); dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff ); dst[i][ACOMP] = UBYTE_TO_FLOAT( (s[i] >> 24) ); } } static void unpack_ARGB8888(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff ); dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff ); dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] ) & 0xff ); dst[i][ACOMP] = UBYTE_TO_FLOAT( (s[i] >> 24) ); } } static void unpack_ARGB8888_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff ); dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff ); dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] >> 24) ); dst[i][ACOMP] = UBYTE_TO_FLOAT( (s[i] ) & 0xff ); } } static void unpack_RGBX8888(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] >> 24) ); dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff ); dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff ); dst[i][ACOMP] = 1.0f; } } static void unpack_RGBX8888_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] ) & 0xff ); dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff ); dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff ); dst[i][ACOMP] = 1.0f; } } static void unpack_XRGB8888(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff ); dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff ); dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] ) & 0xff ); dst[i][ACOMP] = 1.0f; } } static void unpack_XRGB8888_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff ); dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff ); dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] >> 24) ); dst[i][ACOMP] = 1.0f; } } static void unpack_RGB888(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = (const GLubyte *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( s[i*3+2] ); dst[i][GCOMP] = UBYTE_TO_FLOAT( s[i*3+1] ); dst[i][BCOMP] = UBYTE_TO_FLOAT( s[i*3+0] ); dst[i][ACOMP] = 1.0F; } } static void unpack_BGR888(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = (const GLubyte *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( s[i*3+0] ); dst[i][GCOMP] = UBYTE_TO_FLOAT( s[i*3+1] ); dst[i][BCOMP] = UBYTE_TO_FLOAT( s[i*3+2] ); dst[i][ACOMP] = 1.0F; } } static void unpack_RGB565(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = ((s[i] >> 11) & 0x1f) * (1.0F / 31.0F); dst[i][GCOMP] = ((s[i] >> 5 ) & 0x3f) * (1.0F / 63.0F); dst[i][BCOMP] = ((s[i] ) & 0x1f) * (1.0F / 31.0F); dst[i][ACOMP] = 1.0F; } } static void unpack_RGB565_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { GLuint t = (s[i] >> 8) | (s[i] << 8); /* byte swap */ dst[i][RCOMP] = UBYTE_TO_FLOAT( ((t >> 8) & 0xf8) | ((t >> 13) & 0x7) ); dst[i][GCOMP] = UBYTE_TO_FLOAT( ((t >> 3) & 0xfc) | ((t >> 9) & 0x3) ); dst[i][BCOMP] = UBYTE_TO_FLOAT( ((t << 3) & 0xf8) | ((t >> 2) & 0x7) ); dst[i][ACOMP] = 1.0F; } } static void unpack_ARGB4444(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = ((s[i] >> 8) & 0xf) * (1.0F / 15.0F); dst[i][GCOMP] = ((s[i] >> 4) & 0xf) * (1.0F / 15.0F); dst[i][BCOMP] = ((s[i] ) & 0xf) * (1.0F / 15.0F); dst[i][ACOMP] = ((s[i] >> 12) & 0xf) * (1.0F / 15.0F); } } static void unpack_ARGB4444_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = ((s[i] ) & 0xf) * (1.0F / 15.0F); dst[i][GCOMP] = ((s[i] >> 12) & 0xf) * (1.0F / 15.0F); dst[i][BCOMP] = ((s[i] >> 8) & 0xf) * (1.0F / 15.0F); dst[i][ACOMP] = ((s[i] >> 4) & 0xf) * (1.0F / 15.0F); } } static void unpack_RGBA5551(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = ((s[i] >> 11) & 0x1f) * (1.0F / 31.0F); dst[i][GCOMP] = ((s[i] >> 6) & 0x1f) * (1.0F / 31.0F); dst[i][BCOMP] = ((s[i] >> 1) & 0x1f) * (1.0F / 31.0F); dst[i][ACOMP] = ((s[i] ) & 0x01) * 1.0F; } } static void unpack_ARGB1555(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = ((s[i] >> 10) & 0x1f) * (1.0F / 31.0F); dst[i][GCOMP] = ((s[i] >> 5) & 0x1f) * (1.0F / 31.0F); dst[i][BCOMP] = ((s[i] >> 0) & 0x1f) * (1.0F / 31.0F); dst[i][ACOMP] = ((s[i] >> 15) & 0x01) * 1.0F; } } static void unpack_ARGB1555_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { GLushort tmp = (s[i] << 8) | (s[i] >> 8); /* byteswap */ dst[i][RCOMP] = ((tmp >> 10) & 0x1f) * (1.0F / 31.0F); dst[i][GCOMP] = ((tmp >> 5) & 0x1f) * (1.0F / 31.0F); dst[i][BCOMP] = ((tmp >> 0) & 0x1f) * (1.0F / 31.0F); dst[i][ACOMP] = ((tmp >> 15) & 0x01) * 1.0F; } } static void unpack_AL44(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = (s[i] & 0xf) * (1.0F / 15.0F); dst[i][ACOMP] = ((s[i] >> 4) & 0xf) * (1.0F / 15.0F); } } static void unpack_AL88(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = UBYTE_TO_FLOAT( s[i] & 0xff ); dst[i][ACOMP] = UBYTE_TO_FLOAT( s[i] >> 8 ); } } static void unpack_AL88_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = UBYTE_TO_FLOAT( s[i] >> 8 ); dst[i][ACOMP] = UBYTE_TO_FLOAT( s[i] & 0xff ); } } static void unpack_AL1616(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = USHORT_TO_FLOAT( s[i] & 0xffff ); dst[i][ACOMP] = USHORT_TO_FLOAT( s[i] >> 16 ); } } static void unpack_AL1616_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = USHORT_TO_FLOAT( s[i] >> 16 ); dst[i][ACOMP] = USHORT_TO_FLOAT( s[i] & 0xffff ); } } static void unpack_RGB332(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = ((s[i] >> 5) & 0x7) * (1.0F / 7.0F); dst[i][GCOMP] = ((s[i] >> 2) & 0x7) * (1.0F / 7.0F); dst[i][BCOMP] = ((s[i] ) & 0x3) * (1.0F / 3.0F); dst[i][ACOMP] = 1.0F; } } static void unpack_A8(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = UBYTE_TO_FLOAT(s[i]); } } static void unpack_A16(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = USHORT_TO_FLOAT(s[i]); } } static void unpack_L8(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = UBYTE_TO_FLOAT(s[i]); dst[i][ACOMP] = 1.0F; } } static void unpack_L16(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = USHORT_TO_FLOAT(s[i]); dst[i][ACOMP] = 1.0F; } } static void unpack_I8(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = dst[i][ACOMP] = UBYTE_TO_FLOAT(s[i]); } } static void unpack_I16(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = dst[i][ACOMP] = USHORT_TO_FLOAT(s[i]); } } static void unpack_YCBCR(const void *src, GLfloat dst[][4], GLuint n) { GLuint i; for (i = 0; i < n; i++) { const GLushort *src0 = ((const GLushort *) src) + i * 2; /* even */ const GLushort *src1 = src0 + 1; /* odd */ const GLubyte y0 = (*src0 >> 8) & 0xff; /* luminance */ const GLubyte cb = *src0 & 0xff; /* chroma U */ const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */ const GLubyte cr = *src1 & 0xff; /* chroma V */ const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); r *= (1.0F / 255.0F); g *= (1.0F / 255.0F); b *= (1.0F / 255.0F); dst[i][RCOMP] = CLAMP(r, 0.0F, 1.0F); dst[i][GCOMP] = CLAMP(g, 0.0F, 1.0F); dst[i][BCOMP] = CLAMP(b, 0.0F, 1.0F); dst[i][ACOMP] = 1.0F; } } static void unpack_YCBCR_REV(const void *src, GLfloat dst[][4], GLuint n) { GLuint i; for (i = 0; i < n; i++) { const GLushort *src0 = ((const GLushort *) src) + i * 2; /* even */ const GLushort *src1 = src0 + 1; /* odd */ const GLubyte y0 = *src0 & 0xff; /* luminance */ const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */ const GLubyte y1 = *src1 & 0xff; /* luminance */ const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */ const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); r *= (1.0F / 255.0F); g *= (1.0F / 255.0F); b *= (1.0F / 255.0F); dst[i][RCOMP] = CLAMP(r, 0.0F, 1.0F); dst[i][GCOMP] = CLAMP(g, 0.0F, 1.0F); dst[i][BCOMP] = CLAMP(b, 0.0F, 1.0F); dst[i][ACOMP] = 1.0F; } } static void unpack_R8(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][0] = UBYTE_TO_FLOAT(s[i]); dst[i][1] = dst[i][2] = 0.0F; dst[i][3] = 1.0F; } } static void unpack_GR88(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( s[i] & 0xff ); dst[i][GCOMP] = UBYTE_TO_FLOAT( s[i] >> 8 ); dst[i][BCOMP] = 0.0; dst[i][ACOMP] = 1.0; } } static void unpack_RG88(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = UBYTE_TO_FLOAT( s[i] >> 8 ); dst[i][GCOMP] = UBYTE_TO_FLOAT( s[i] & 0xff ); dst[i][BCOMP] = 0.0; dst[i][ACOMP] = 1.0; } } static void unpack_R16(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = USHORT_TO_FLOAT(s[i]); dst[i][GCOMP] = 0.0; dst[i][BCOMP] = 0.0; dst[i][ACOMP] = 1.0; } } static void unpack_RG1616(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = USHORT_TO_FLOAT( s[i] & 0xffff ); dst[i][GCOMP] = USHORT_TO_FLOAT( s[i] >> 16 ); dst[i][BCOMP] = 0.0; dst[i][ACOMP] = 1.0; } } static void unpack_RG1616_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = USHORT_TO_FLOAT( s[i] >> 16 ); dst[i][GCOMP] = USHORT_TO_FLOAT( s[i] & 0xffff ); dst[i][BCOMP] = 0.0; dst[i][ACOMP] = 1.0; } } static void unpack_ARGB2101010(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = ((s[i] >> 20) & 0x3ff) * (1.0F / 1023.0F); dst[i][GCOMP] = ((s[i] >> 10) & 0x3ff) * (1.0F / 1023.0F); dst[i][BCOMP] = ((s[i] >> 0) & 0x3ff) * (1.0F / 1023.0F); dst[i][ACOMP] = ((s[i] >> 30) & 0x03) * (1.0F / 3.0F); } } static void unpack_Z24_S8(const void *src, GLfloat dst[][4], GLuint n) { /* only return Z, not stencil data */ const GLuint *s = ((const GLuint *) src); const GLdouble scale = 1.0 / (GLdouble) 0xffffff; GLuint i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = (s[i] >> 8) * scale; dst[i][3] = 1.0F; ASSERT(dst[i][0] >= 0.0F); ASSERT(dst[i][0] <= 1.0F); } } static void unpack_S8_Z24(const void *src, GLfloat dst[][4], GLuint n) { /* only return Z, not stencil data */ const GLuint *s = ((const GLuint *) src); const GLdouble scale = 1.0 / (GLdouble) 0xffffff; GLuint i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = (s[i] & 0x00ffffff) * scale; dst[i][3] = 1.0F; ASSERT(dst[i][0] >= 0.0F); ASSERT(dst[i][0] <= 1.0F); } } static void unpack_Z16(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = s[i] * (1.0F / 65535.0F); dst[i][3] = 1.0F; } } static void unpack_X8_Z24(const void *src, GLfloat dst[][4], GLuint n) { unpack_S8_Z24(src, dst, n); } static void unpack_Z24_X8(const void *src, GLfloat dst[][4], GLuint n) { unpack_Z24_S8(src, dst, n); } static void unpack_Z32(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = s[i] * (1.0F / 0xffffffff); dst[i][3] = 1.0F; } } static void unpack_Z32_FLOAT(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = ((const GLfloat *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = s[i * 2]; dst[i][3] = 1.0F; } } static void unpack_Z32_FLOAT_X24S8(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = ((const GLfloat *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = s[i]; dst[i][3] = 1.0F; } } static void unpack_S8(const void *src, GLfloat dst[][4], GLuint n) { /* should never be used */ GLuint i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = 0.0F; dst[i][3] = 1.0F; } } static void unpack_SRGB8(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = (const GLubyte *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = nonlinear_to_linear(s[i*3+2]); dst[i][GCOMP] = nonlinear_to_linear(s[i*3+1]); dst[i][BCOMP] = nonlinear_to_linear(s[i*3+0]); dst[i][ACOMP] = 1.0F; } } static void unpack_SRGBA8(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = nonlinear_to_linear( (s[i] >> 24) ); dst[i][GCOMP] = nonlinear_to_linear( (s[i] >> 16) & 0xff ); dst[i][BCOMP] = nonlinear_to_linear( (s[i] >> 8) & 0xff ); dst[i][ACOMP] = UBYTE_TO_FLOAT( s[i] & 0xff ); /* linear! */ } } static void unpack_SARGB8(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = nonlinear_to_linear( (s[i] >> 16) & 0xff ); dst[i][GCOMP] = nonlinear_to_linear( (s[i] >> 8) & 0xff ); dst[i][BCOMP] = nonlinear_to_linear( (s[i] ) & 0xff ); dst[i][ACOMP] = UBYTE_TO_FLOAT( s[i] >> 24 ); /* linear! */ } } static void unpack_SL8(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = nonlinear_to_linear(s[i]); dst[i][ACOMP] = 1.0F; } } static void unpack_SLA8(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = (const GLushort *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = nonlinear_to_linear(s[i] & 0xff); dst[i][ACOMP] = UBYTE_TO_FLOAT(s[i] >> 8); /* linear! */ } } static void unpack_SRGB_DXT1(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_SRGBA_DXT1(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_SRGBA_DXT3(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_SRGBA_DXT5(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_RGB_FXT1(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_RGBA_FXT1(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_RGB_DXT1(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_RGBA_DXT1(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_RGBA_DXT3(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_RGBA_DXT5(const void *src, GLfloat dst[][4], GLuint n) { } static void unpack_RGBA_FLOAT32(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = (const GLfloat *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = s[i*4+0]; dst[i][GCOMP] = s[i*4+1]; dst[i][BCOMP] = s[i*4+2]; dst[i][ACOMP] = s[i*4+3]; } } static void unpack_RGBA_FLOAT16(const void *src, GLfloat dst[][4], GLuint n) { const GLhalfARB *s = (const GLhalfARB *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = _mesa_half_to_float(s[i*4+0]); dst[i][GCOMP] = _mesa_half_to_float(s[i*4+1]); dst[i][BCOMP] = _mesa_half_to_float(s[i*4+2]); dst[i][ACOMP] = _mesa_half_to_float(s[i*4+3]); } } static void unpack_RGB_FLOAT32(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = (const GLfloat *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = s[i*3+0]; dst[i][GCOMP] = s[i*3+1]; dst[i][BCOMP] = s[i*3+2]; dst[i][ACOMP] = 1.0F; } } static void unpack_RGB_FLOAT16(const void *src, GLfloat dst[][4], GLuint n) { const GLhalfARB *s = (const GLhalfARB *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = _mesa_half_to_float(s[i*3+0]); dst[i][GCOMP] = _mesa_half_to_float(s[i*3+1]); dst[i][BCOMP] = _mesa_half_to_float(s[i*3+2]); dst[i][ACOMP] = 1.0F; } } static void unpack_ALPHA_FLOAT32(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = (const GLfloat *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = s[i]; } } static void unpack_ALPHA_FLOAT16(const void *src, GLfloat dst[][4], GLuint n) { const GLhalfARB *s = (const GLhalfARB *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = _mesa_half_to_float(s[i]); } } static void unpack_LUMINANCE_FLOAT32(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = (const GLfloat *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = s[i]; dst[i][ACOMP] = 1.0F; } } static void unpack_LUMINANCE_FLOAT16(const void *src, GLfloat dst[][4], GLuint n) { const GLhalfARB *s = (const GLhalfARB *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = _mesa_half_to_float(s[i]); dst[i][ACOMP] = 1.0F; } } static void unpack_LUMINANCE_ALPHA_FLOAT32(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = (const GLfloat *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = s[i*2+0]; dst[i][ACOMP] = s[i*2+1]; } } static void unpack_LUMINANCE_ALPHA_FLOAT16(const void *src, GLfloat dst[][4], GLuint n) { const GLhalfARB *s = (const GLhalfARB *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = _mesa_half_to_float(s[i*2+0]); dst[i][ACOMP] = _mesa_half_to_float(s[i*2+1]); } } static void unpack_INTENSITY_FLOAT32(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = (const GLfloat *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = dst[i][ACOMP] = s[i]; } } static void unpack_INTENSITY_FLOAT16(const void *src, GLfloat dst[][4], GLuint n) { const GLhalfARB *s = (const GLhalfARB *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = dst[i][ACOMP] = _mesa_half_to_float(s[i]); } } static void unpack_R_FLOAT32(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = (const GLfloat *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = s[i]; dst[i][GCOMP] = 0.0F; dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = 1.0F; } } static void unpack_R_FLOAT16(const void *src, GLfloat dst[][4], GLuint n) { const GLhalfARB *s = (const GLhalfARB *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = _mesa_half_to_float(s[i]); dst[i][GCOMP] = 0.0F; dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = 1.0F; } } static void unpack_RG_FLOAT32(const void *src, GLfloat dst[][4], GLuint n) { const GLfloat *s = (const GLfloat *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = s[i*2+0]; dst[i][GCOMP] = s[i*2+1]; dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = 1.0F; } } static void unpack_RG_FLOAT16(const void *src, GLfloat dst[][4], GLuint n) { const GLhalfARB *s = (const GLhalfARB *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = _mesa_half_to_float(s[i*2+0]); dst[i][GCOMP] = _mesa_half_to_float(s[i*2+1]); dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = 1.0F; } } static void unpack_RGBA_INT8(const void *src, GLfloat dst[][4], GLuint n) { const GLbyte *s = (const GLbyte *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (GLfloat) s[i*4+0]; dst[i][GCOMP] = (GLfloat) s[i*4+1]; dst[i][BCOMP] = (GLfloat) s[i*4+2]; dst[i][ACOMP] = (GLfloat) s[i*4+3]; } } static void unpack_RGBA_INT16(const void *src, GLfloat dst[][4], GLuint n) { const GLshort *s = (const GLshort *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (GLfloat) s[i*4+0]; dst[i][GCOMP] = (GLfloat) s[i*4+1]; dst[i][BCOMP] = (GLfloat) s[i*4+2]; dst[i][ACOMP] = (GLfloat) s[i*4+3]; } } static void unpack_RGBA_INT32(const void *src, GLfloat dst[][4], GLuint n) { const GLint *s = (const GLint *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (GLfloat) s[i*4+0]; dst[i][GCOMP] = (GLfloat) s[i*4+1]; dst[i][BCOMP] = (GLfloat) s[i*4+2]; dst[i][ACOMP] = (GLfloat) s[i*4+3]; } } static void unpack_RGBA_UINT8(const void *src, GLfloat dst[][4], GLuint n) { const GLubyte *s = (const GLubyte *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (GLfloat) s[i*4+0]; dst[i][GCOMP] = (GLfloat) s[i*4+1]; dst[i][BCOMP] = (GLfloat) s[i*4+2]; dst[i][ACOMP] = (GLfloat) s[i*4+3]; } } static void unpack_RGBA_UINT16(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = (const GLushort *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (GLfloat) s[i*4+0]; dst[i][GCOMP] = (GLfloat) s[i*4+1]; dst[i][BCOMP] = (GLfloat) s[i*4+2]; dst[i][ACOMP] = (GLfloat) s[i*4+3]; } } static void unpack_RGBA_UINT32(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = (const GLuint *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (GLfloat) s[i*4+0]; dst[i][GCOMP] = (GLfloat) s[i*4+1]; dst[i][BCOMP] = (GLfloat) s[i*4+2]; dst[i][ACOMP] = (GLfloat) s[i*4+3]; } } static void unpack_DUDV8(const void *src, GLfloat dst[][4], GLuint n) { const GLbyte *s = (const GLbyte *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = BYTE_TO_FLOAT(s[i*2+0]); dst[i][GCOMP] = BYTE_TO_FLOAT(s[i*2+1]); dst[i][BCOMP] = 0; dst[i][ACOMP] = 0; } } static void unpack_SIGNED_R8(const void *src, GLfloat dst[][4], GLuint n) { const GLbyte *s = ((const GLbyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = BYTE_TO_FLOAT_TEX( s[i] ); dst[i][GCOMP] = 0.0F; dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = 1.0F; } } static void unpack_SIGNED_RG88_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] & 0xff) ); dst[i][GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 8) ); dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = 1.0F; } } static void unpack_SIGNED_RGBX8888(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 24) ); dst[i][GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 16) ); dst[i][BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 8) ); dst[i][ACOMP] = 1.0f; } } static void unpack_SIGNED_RGBA8888(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 24) ); dst[i][GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 16) ); dst[i][BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 8) ); dst[i][ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] ) ); } } static void unpack_SIGNED_RGBA8888_REV(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] ) ); dst[i][GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 8) ); dst[i][BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 16) ); dst[i][ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 24) ); } } static void unpack_SIGNED_R16(const void *src, GLfloat dst[][4], GLuint n) { const GLshort *s = ((const GLshort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = SHORT_TO_FLOAT_TEX( s[i] ); dst[i][GCOMP] = 0.0F; dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = 1.0F; } } static void unpack_SIGNED_GR1616(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = SHORT_TO_FLOAT_TEX( (GLshort) (s[i] & 0xffff) ); dst[i][GCOMP] = SHORT_TO_FLOAT_TEX( (GLshort) (s[i] >> 16) ); dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = 1.0F; } } static void unpack_SIGNED_RGB_16(const void *src, GLfloat dst[][4], GLuint n) { const GLshort *s = (const GLshort *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = SHORT_TO_FLOAT_TEX( s[i*3+0] ); dst[i][GCOMP] = SHORT_TO_FLOAT_TEX( s[i*3+1] ); dst[i][BCOMP] = SHORT_TO_FLOAT_TEX( s[i*3+2] ); dst[i][ACOMP] = 1.0F; } } static void unpack_SIGNED_RGBA_16(const void *src, GLfloat dst[][4], GLuint n) { const GLshort *s = (const GLshort *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = SHORT_TO_FLOAT_TEX( s[i*4+0] ); dst[i][GCOMP] = SHORT_TO_FLOAT_TEX( s[i*4+1] ); dst[i][BCOMP] = SHORT_TO_FLOAT_TEX( s[i*4+2] ); dst[i][ACOMP] = SHORT_TO_FLOAT_TEX( s[i*4+3] ); } } static void unpack_RGBA_16(const void *src, GLfloat dst[][4], GLuint n) { const GLushort *s = (const GLushort *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = USHORT_TO_FLOAT( s[i*4+0] ); dst[i][GCOMP] = USHORT_TO_FLOAT( s[i*4+1] ); dst[i][BCOMP] = USHORT_TO_FLOAT( s[i*4+2] ); dst[i][ACOMP] = USHORT_TO_FLOAT( s[i*4+3] ); } } static void unpack_RED_RGTC1(const void *src, GLfloat dst[][4], GLuint n) { /* XXX to do */ } static void unpack_SIGNED_RED_RGTC1(const void *src, GLfloat dst[][4], GLuint n) { /* XXX to do */ } static void unpack_RG_RGTC2(const void *src, GLfloat dst[][4], GLuint n) { /* XXX to do */ } static void unpack_SIGNED_RG_RGTC2(const void *src, GLfloat dst[][4], GLuint n) { /* XXX to do */ } static void unpack_L_LATC1(const void *src, GLfloat dst[][4], GLuint n) { /* XXX to do */ } static void unpack_SIGNED_L_LATC1(const void *src, GLfloat dst[][4], GLuint n) { /* XXX to do */ } static void unpack_LA_LATC2(const void *src, GLfloat dst[][4], GLuint n) { /* XXX to do */ } static void unpack_SIGNED_LA_LATC2(const void *src, GLfloat dst[][4], GLuint n) { /* XXX to do */ } static void unpack_ETC1_RGB8(const void *src, GLfloat dst[][4], GLuint n) { /* XXX to do */ } static void unpack_SIGNED_A8(const void *src, GLfloat dst[][4], GLuint n) { const GLbyte *s = ((const GLbyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = 0.0F; dst[i][GCOMP] = 0.0F; dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = BYTE_TO_FLOAT_TEX( s[i] ); } } static void unpack_SIGNED_L8(const void *src, GLfloat dst[][4], GLuint n) { const GLbyte *s = ((const GLbyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = BYTE_TO_FLOAT_TEX( s[i] ); dst[i][ACOMP] = 1.0F; } } static void unpack_SIGNED_AL88(const void *src, GLfloat dst[][4], GLuint n) { const GLshort *s = ((const GLshort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] & 0xff) ); dst[i][ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 8) ); } } static void unpack_SIGNED_I8(const void *src, GLfloat dst[][4], GLuint n) { const GLbyte *s = ((const GLbyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = dst[i][ACOMP] = BYTE_TO_FLOAT_TEX( s[i] ); } } static void unpack_SIGNED_A16(const void *src, GLfloat dst[][4], GLuint n) { const GLshort *s = ((const GLshort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = 0.0F; dst[i][GCOMP] = 0.0F; dst[i][BCOMP] = 0.0F; dst[i][ACOMP] = SHORT_TO_FLOAT_TEX( s[i] ); } } static void unpack_SIGNED_L16(const void *src, GLfloat dst[][4], GLuint n) { const GLshort *s = ((const GLshort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = SHORT_TO_FLOAT_TEX( s[i] ); dst[i][ACOMP] = 1.0F; } } static void unpack_SIGNED_AL1616(const void *src, GLfloat dst[][4], GLuint n) { const GLshort *s = (const GLshort *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = SHORT_TO_FLOAT_TEX( s[i*2+0] ); dst[i][ACOMP] = SHORT_TO_FLOAT_TEX( s[i*2+1] ); } } static void unpack_SIGNED_I16(const void *src, GLfloat dst[][4], GLuint n) { const GLshort *s = ((const GLshort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = dst[i][ACOMP] = SHORT_TO_FLOAT_TEX( s[i] ); } } static void unpack_RGB9_E5_FLOAT(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = (const GLuint *) src; GLuint i; for (i = 0; i < n; i++) { rgb9e5_to_float3(s[i], dst[i]); dst[i][ACOMP] = 1.0F; } } static void unpack_R11_G11_B10_FLOAT(const void *src, GLfloat dst[][4], GLuint n) { const GLuint *s = (const GLuint *) src; GLuint i; for (i = 0; i < n; i++) { r11g11b10f_to_float3(s[i], dst[i]); dst[i][ACOMP] = 1.0F; } } /** * Return the unpacker function for the given format. */ static unpack_rgba_func get_unpack_rgba_function(gl_format format) { static unpack_rgba_func table[MESA_FORMAT_COUNT]; static GLboolean initialized = GL_FALSE; if (!initialized) { table[MESA_FORMAT_NONE] = NULL; table[MESA_FORMAT_RGBA8888] = unpack_RGBA8888; table[MESA_FORMAT_RGBA8888_REV] = unpack_RGBA8888_REV; table[MESA_FORMAT_ARGB8888] = unpack_ARGB8888; table[MESA_FORMAT_ARGB8888_REV] = unpack_ARGB8888_REV; table[MESA_FORMAT_RGBX8888] = unpack_RGBX8888; table[MESA_FORMAT_RGBX8888_REV] = unpack_RGBX8888_REV; table[MESA_FORMAT_XRGB8888] = unpack_XRGB8888; table[MESA_FORMAT_XRGB8888_REV] = unpack_XRGB8888_REV; table[MESA_FORMAT_RGB888] = unpack_RGB888; table[MESA_FORMAT_BGR888] = unpack_BGR888; table[MESA_FORMAT_RGB565] = unpack_RGB565; table[MESA_FORMAT_RGB565_REV] = unpack_RGB565_REV; table[MESA_FORMAT_ARGB4444] = unpack_ARGB4444; table[MESA_FORMAT_ARGB4444_REV] = unpack_ARGB4444_REV; table[MESA_FORMAT_RGBA5551] = unpack_RGBA5551; table[MESA_FORMAT_ARGB1555] = unpack_ARGB1555; table[MESA_FORMAT_ARGB1555_REV] = unpack_ARGB1555_REV; table[MESA_FORMAT_AL44] = unpack_AL44; table[MESA_FORMAT_AL88] = unpack_AL88; table[MESA_FORMAT_AL88_REV] = unpack_AL88_REV; table[MESA_FORMAT_AL1616] = unpack_AL1616; table[MESA_FORMAT_AL1616_REV] = unpack_AL1616_REV; table[MESA_FORMAT_RGB332] = unpack_RGB332; table[MESA_FORMAT_A8] = unpack_A8; table[MESA_FORMAT_A16] = unpack_A16; table[MESA_FORMAT_L8] = unpack_L8; table[MESA_FORMAT_L16] = unpack_L16; table[MESA_FORMAT_I8] = unpack_I8; table[MESA_FORMAT_I16] = unpack_I16; table[MESA_FORMAT_YCBCR] = unpack_YCBCR; table[MESA_FORMAT_YCBCR_REV] = unpack_YCBCR_REV; table[MESA_FORMAT_R8] = unpack_R8; table[MESA_FORMAT_GR88] = unpack_GR88; table[MESA_FORMAT_RG88] = unpack_RG88; table[MESA_FORMAT_R16] = unpack_R16; table[MESA_FORMAT_RG1616] = unpack_RG1616; table[MESA_FORMAT_RG1616_REV] = unpack_RG1616_REV; table[MESA_FORMAT_ARGB2101010] = unpack_ARGB2101010; table[MESA_FORMAT_Z24_S8] = unpack_Z24_S8; table[MESA_FORMAT_S8_Z24] = unpack_S8_Z24; table[MESA_FORMAT_Z16] = unpack_Z16; table[MESA_FORMAT_X8_Z24] = unpack_X8_Z24; table[MESA_FORMAT_Z24_X8] = unpack_Z24_X8; table[MESA_FORMAT_Z32] = unpack_Z32; table[MESA_FORMAT_S8] = unpack_S8; table[MESA_FORMAT_SRGB8] = unpack_SRGB8; table[MESA_FORMAT_SRGBA8] = unpack_SRGBA8; table[MESA_FORMAT_SARGB8] = unpack_SARGB8; table[MESA_FORMAT_SL8] = unpack_SL8; table[MESA_FORMAT_SLA8] = unpack_SLA8; table[MESA_FORMAT_SRGB_DXT1] = unpack_SRGB_DXT1; table[MESA_FORMAT_SRGBA_DXT1] = unpack_SRGBA_DXT1; table[MESA_FORMAT_SRGBA_DXT3] = unpack_SRGBA_DXT3; table[MESA_FORMAT_SRGBA_DXT5] = unpack_SRGBA_DXT5; table[MESA_FORMAT_RGB_FXT1] = unpack_RGB_FXT1; table[MESA_FORMAT_RGBA_FXT1] = unpack_RGBA_FXT1; table[MESA_FORMAT_RGB_DXT1] = unpack_RGB_DXT1; table[MESA_FORMAT_RGBA_DXT1] = unpack_RGBA_DXT1; table[MESA_FORMAT_RGBA_DXT3] = unpack_RGBA_DXT3; table[MESA_FORMAT_RGBA_DXT5] = unpack_RGBA_DXT5; table[MESA_FORMAT_RGBA_FLOAT32] = unpack_RGBA_FLOAT32; table[MESA_FORMAT_RGBA_FLOAT16] = unpack_RGBA_FLOAT16; table[MESA_FORMAT_RGB_FLOAT32] = unpack_RGB_FLOAT32; table[MESA_FORMAT_RGB_FLOAT16] = unpack_RGB_FLOAT16; table[MESA_FORMAT_ALPHA_FLOAT32] = unpack_ALPHA_FLOAT32; table[MESA_FORMAT_ALPHA_FLOAT16] = unpack_ALPHA_FLOAT16; table[MESA_FORMAT_LUMINANCE_FLOAT32] = unpack_LUMINANCE_FLOAT32; table[MESA_FORMAT_LUMINANCE_FLOAT16] = unpack_LUMINANCE_FLOAT16; table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = unpack_LUMINANCE_ALPHA_FLOAT32; table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16] = unpack_LUMINANCE_ALPHA_FLOAT16; table[MESA_FORMAT_INTENSITY_FLOAT32] = unpack_INTENSITY_FLOAT32; table[MESA_FORMAT_INTENSITY_FLOAT16] = unpack_INTENSITY_FLOAT16; table[MESA_FORMAT_R_FLOAT32] = unpack_R_FLOAT32; table[MESA_FORMAT_R_FLOAT16] = unpack_R_FLOAT16; table[MESA_FORMAT_RG_FLOAT32] = unpack_RG_FLOAT32; table[MESA_FORMAT_RG_FLOAT16] = unpack_RG_FLOAT16; table[MESA_FORMAT_RGBA_INT8] = unpack_RGBA_INT8; table[MESA_FORMAT_RGBA_INT16] = unpack_RGBA_INT16; table[MESA_FORMAT_RGBA_INT32] = unpack_RGBA_INT32; table[MESA_FORMAT_RGBA_UINT8] = unpack_RGBA_UINT8; table[MESA_FORMAT_RGBA_UINT16] = unpack_RGBA_UINT16; table[MESA_FORMAT_RGBA_UINT32] = unpack_RGBA_UINT32; table[MESA_FORMAT_DUDV8] = unpack_DUDV8; table[MESA_FORMAT_SIGNED_R8] = unpack_SIGNED_R8; table[MESA_FORMAT_SIGNED_RG88_REV] = unpack_SIGNED_RG88_REV; table[MESA_FORMAT_SIGNED_RGBX8888] = unpack_SIGNED_RGBX8888; table[MESA_FORMAT_SIGNED_RGBA8888] = unpack_SIGNED_RGBA8888; table[MESA_FORMAT_SIGNED_RGBA8888_REV] = unpack_SIGNED_RGBA8888_REV; table[MESA_FORMAT_SIGNED_R16] = unpack_SIGNED_R16; table[MESA_FORMAT_SIGNED_GR1616] = unpack_SIGNED_GR1616; table[MESA_FORMAT_SIGNED_RGB_16] = unpack_SIGNED_RGB_16; table[MESA_FORMAT_SIGNED_RGBA_16] = unpack_SIGNED_RGBA_16; table[MESA_FORMAT_RGBA_16] = unpack_RGBA_16; table[MESA_FORMAT_RED_RGTC1] = unpack_RED_RGTC1; table[MESA_FORMAT_SIGNED_RED_RGTC1] = unpack_SIGNED_RED_RGTC1; table[MESA_FORMAT_RG_RGTC2] = unpack_RG_RGTC2; table[MESA_FORMAT_SIGNED_RG_RGTC2] = unpack_SIGNED_RG_RGTC2; table[MESA_FORMAT_L_LATC1] = unpack_L_LATC1; table[MESA_FORMAT_SIGNED_L_LATC1] = unpack_SIGNED_L_LATC1; table[MESA_FORMAT_LA_LATC2] = unpack_LA_LATC2; table[MESA_FORMAT_SIGNED_LA_LATC2] = unpack_SIGNED_LA_LATC2; table[MESA_FORMAT_ETC1_RGB8] = unpack_ETC1_RGB8; table[MESA_FORMAT_SIGNED_A8] = unpack_SIGNED_A8; table[MESA_FORMAT_SIGNED_L8] = unpack_SIGNED_L8; table[MESA_FORMAT_SIGNED_AL88] = unpack_SIGNED_AL88; table[MESA_FORMAT_SIGNED_I8] = unpack_SIGNED_I8; table[MESA_FORMAT_SIGNED_A16] = unpack_SIGNED_A16; table[MESA_FORMAT_SIGNED_L16] = unpack_SIGNED_L16; table[MESA_FORMAT_SIGNED_AL1616] = unpack_SIGNED_AL1616; table[MESA_FORMAT_SIGNED_I16] = unpack_SIGNED_I16; table[MESA_FORMAT_RGB9_E5_FLOAT] = unpack_RGB9_E5_FLOAT; table[MESA_FORMAT_R11_G11_B10_FLOAT] = unpack_R11_G11_B10_FLOAT; table[MESA_FORMAT_Z32_FLOAT] = unpack_Z32_FLOAT; table[MESA_FORMAT_Z32_FLOAT_X24S8] = unpack_Z32_FLOAT_X24S8; initialized = GL_TRUE; } return table[format]; } /** * Unpack rgba colors, returning as GLfloat values. */ void _mesa_unpack_rgba_row(gl_format format, GLuint n, const void *src, GLfloat dst[][4]) { unpack_rgba_func unpack = get_unpack_rgba_function(format); unpack(src, dst, n); } /**********************************************************************/ /* Unpack, returning GLubyte colors */ /**********************************************************************/ static void unpack_ubyte_RGBA8888(const void *src, GLubyte dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (s[i] >> 24); dst[i][GCOMP] = (s[i] >> 16) & 0xff; dst[i][BCOMP] = (s[i] >> 8) & 0xff; dst[i][ACOMP] = (s[i] ) & 0xff; } } static void unpack_ubyte_RGBA8888_REV(const void *src, GLubyte dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (s[i] ) & 0xff; dst[i][GCOMP] = (s[i] >> 8) & 0xff; dst[i][BCOMP] = (s[i] >> 16) & 0xff; dst[i][ACOMP] = (s[i] >> 24); } } static void unpack_ubyte_ARGB8888(const void *src, GLubyte dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (s[i] >> 16) & 0xff; dst[i][GCOMP] = (s[i] >> 8) & 0xff; dst[i][BCOMP] = (s[i] ) & 0xff; dst[i][ACOMP] = (s[i] >> 24); } } static void unpack_ubyte_ARGB8888_REV(const void *src, GLubyte dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (s[i] >> 8) & 0xff; dst[i][GCOMP] = (s[i] >> 16) & 0xff; dst[i][BCOMP] = (s[i] >> 24); dst[i][ACOMP] = (s[i] ) & 0xff; } } static void unpack_ubyte_RGBX8888(const void *src, GLubyte dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (s[i] >> 24); dst[i][GCOMP] = (s[i] >> 16) & 0xff; dst[i][BCOMP] = (s[i] >> 8) & 0xff; dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_RGBX8888_REV(const void *src, GLubyte dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (s[i] ) & 0xff; dst[i][GCOMP] = (s[i] >> 8) & 0xff; dst[i][BCOMP] = (s[i] >> 16) & 0xff; dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_XRGB8888(const void *src, GLubyte dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (s[i] >> 16) & 0xff; dst[i][GCOMP] = (s[i] >> 8) & 0xff; dst[i][BCOMP] = (s[i] ) & 0xff; dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_XRGB8888_REV(const void *src, GLubyte dst[][4], GLuint n) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = (s[i] >> 8) & 0xff; dst[i][GCOMP] = (s[i] >> 16) & 0xff; dst[i][BCOMP] = (s[i] >> 24); dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_RGB888(const void *src, GLubyte dst[][4], GLuint n) { const GLubyte *s = (const GLubyte *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = s[i*3+2]; dst[i][GCOMP] = s[i*3+1]; dst[i][BCOMP] = s[i*3+0]; dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_BGR888(const void *src, GLubyte dst[][4], GLuint n) { const GLubyte *s = (const GLubyte *) src; GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = s[i*3+0]; dst[i][GCOMP] = s[i*3+1]; dst[i][BCOMP] = s[i*3+2]; dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_RGB565(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = EXPAND_5_8((s[i] >> 11) & 0x1f); dst[i][GCOMP] = EXPAND_6_8((s[i] >> 5 ) & 0x3f); dst[i][BCOMP] = EXPAND_5_8( s[i] & 0x1f); dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_RGB565_REV(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { GLuint t = (s[i] >> 8) | (s[i] << 8); /* byte swap */ dst[i][RCOMP] = EXPAND_5_8((t >> 11) & 0x1f); dst[i][GCOMP] = EXPAND_6_8((t >> 5 ) & 0x3f); dst[i][BCOMP] = EXPAND_5_8( t & 0x1f); dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_ARGB4444(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = EXPAND_4_8((s[i] >> 8) & 0xf); dst[i][GCOMP] = EXPAND_4_8((s[i] >> 4) & 0xf); dst[i][BCOMP] = EXPAND_4_8((s[i] ) & 0xf); dst[i][ACOMP] = EXPAND_4_8((s[i] >> 12) & 0xf); } } static void unpack_ubyte_ARGB4444_REV(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = EXPAND_4_8((s[i] ) & 0xf); dst[i][GCOMP] = EXPAND_4_8((s[i] >> 12) & 0xf); dst[i][BCOMP] = EXPAND_4_8((s[i] >> 8) & 0xf); dst[i][ACOMP] = EXPAND_4_8((s[i] >> 4) & 0xf); } } static void unpack_ubyte_RGBA5551(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = EXPAND_5_8((s[i] >> 11) & 0x1f); dst[i][GCOMP] = EXPAND_5_8((s[i] >> 6) & 0x1f); dst[i][BCOMP] = EXPAND_5_8((s[i] >> 1) & 0x1f); dst[i][ACOMP] = EXPAND_1_8((s[i] ) & 0x01); } } static void unpack_ubyte_ARGB1555(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = EXPAND_5_8((s[i] >> 10) & 0x1f); dst[i][GCOMP] = EXPAND_5_8((s[i] >> 5) & 0x1f); dst[i][BCOMP] = EXPAND_5_8((s[i] >> 0) & 0x1f); dst[i][ACOMP] = EXPAND_1_8((s[i] >> 15) & 0x01); } } static void unpack_ubyte_ARGB1555_REV(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { GLushort tmp = (s[i] << 8) | (s[i] >> 8); /* byteswap */ dst[i][RCOMP] = EXPAND_5_8((tmp >> 10) & 0x1f); dst[i][GCOMP] = EXPAND_5_8((tmp >> 5) & 0x1f); dst[i][BCOMP] = EXPAND_5_8((tmp >> 0) & 0x1f); dst[i][ACOMP] = EXPAND_1_8((tmp >> 15) & 0x01); } } static void unpack_ubyte_AL44(const void *src, GLubyte dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = EXPAND_4_8(s[i] & 0xf); dst[i][ACOMP] = EXPAND_4_8(s[i] >> 4); } } static void unpack_ubyte_AL88(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = EXPAND_4_8(s[i] & 0xff); dst[i][ACOMP] = EXPAND_4_8(s[i] >> 8); } } static void unpack_ubyte_AL88_REV(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = EXPAND_4_8(s[i] >> 8); dst[i][ACOMP] = EXPAND_4_8(s[i] & 0xff); } } static void unpack_ubyte_RGB332(const void *src, GLubyte dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = EXPAND_3_8((s[i] >> 5) & 0x7); dst[i][GCOMP] = EXPAND_3_8((s[i] >> 2) & 0x7); dst[i][BCOMP] = EXPAND_2_8((s[i] ) & 0x3); dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_A8(const void *src, GLubyte dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = 0; dst[i][ACOMP] = s[i]; } } static void unpack_ubyte_L8(const void *src, GLubyte dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = s[i]; dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_I8(const void *src, GLubyte dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = dst[i][GCOMP] = dst[i][BCOMP] = dst[i][ACOMP] = s[i]; } } static void unpack_ubyte_R8(const void *src, GLubyte dst[][4], GLuint n) { const GLubyte *s = ((const GLubyte *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][0] = s[i]; dst[i][1] = dst[i][2] = 0; dst[i][3] = 0xff; } } static void unpack_ubyte_GR88(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = s[i] & 0xff; dst[i][GCOMP] = s[i] >> 8; dst[i][BCOMP] = 0; dst[i][ACOMP] = 0xff; } } static void unpack_ubyte_RG88(const void *src, GLubyte dst[][4], GLuint n) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i][RCOMP] = s[i] >> 8; dst[i][GCOMP] = s[i] & 0xff; dst[i][BCOMP] = 0; dst[i][ACOMP] = 0xff; } } /** * Unpack rgba colors, returning as GLubyte values. This should usually * only be used for unpacking formats that use 8 bits or less per channel. */ void _mesa_unpack_ubyte_rgba_row(gl_format format, GLuint n, const void *src, GLubyte dst[][4]) { switch (format) { case MESA_FORMAT_RGBA8888: unpack_ubyte_RGBA8888(src, dst, n); break; case MESA_FORMAT_RGBA8888_REV: unpack_ubyte_RGBA8888_REV(src, dst, n); break; case MESA_FORMAT_ARGB8888: unpack_ubyte_ARGB8888(src, dst, n); break; case MESA_FORMAT_ARGB8888_REV: unpack_ubyte_ARGB8888_REV(src, dst, n); break; case MESA_FORMAT_RGBX8888: unpack_ubyte_RGBX8888(src, dst, n); break; case MESA_FORMAT_RGBX8888_REV: unpack_ubyte_RGBX8888_REV(src, dst, n); break; case MESA_FORMAT_XRGB8888: unpack_ubyte_XRGB8888(src, dst, n); break; case MESA_FORMAT_XRGB8888_REV: unpack_ubyte_XRGB8888_REV(src, dst, n); break; case MESA_FORMAT_RGB888: unpack_ubyte_RGB888(src, dst, n); break; case MESA_FORMAT_BGR888: unpack_ubyte_BGR888(src, dst, n); break; case MESA_FORMAT_RGB565: unpack_ubyte_RGB565(src, dst, n); break; case MESA_FORMAT_RGB565_REV: unpack_ubyte_RGB565_REV(src, dst, n); break; case MESA_FORMAT_ARGB4444: unpack_ubyte_ARGB4444(src, dst, n); break; case MESA_FORMAT_ARGB4444_REV: unpack_ubyte_ARGB4444_REV(src, dst, n); break; case MESA_FORMAT_RGBA5551: unpack_ubyte_RGBA5551(src, dst, n); break; case MESA_FORMAT_ARGB1555: unpack_ubyte_ARGB1555(src, dst, n); break; case MESA_FORMAT_ARGB1555_REV: unpack_ubyte_ARGB1555_REV(src, dst, n); break; case MESA_FORMAT_AL44: unpack_ubyte_AL44(src, dst, n); break; case MESA_FORMAT_AL88: unpack_ubyte_AL88(src, dst, n); break; case MESA_FORMAT_AL88_REV: unpack_ubyte_AL88_REV(src, dst, n); break; case MESA_FORMAT_RGB332: unpack_ubyte_RGB332(src, dst, n); break; case MESA_FORMAT_A8: unpack_ubyte_A8(src, dst, n); break; case MESA_FORMAT_L8: unpack_ubyte_L8(src, dst, n); break; case MESA_FORMAT_I8: unpack_ubyte_I8(src, dst, n); break; case MESA_FORMAT_R8: unpack_ubyte_R8(src, dst, n); break; case MESA_FORMAT_GR88: unpack_ubyte_GR88(src, dst, n); break; case MESA_FORMAT_RG88: unpack_ubyte_RG88(src, dst, n); break; default: /* get float values, convert to ubyte */ { GLfloat *tmp = (GLfloat *) malloc(n * 4 * sizeof(GLfloat)); if (tmp) { GLuint i; _mesa_unpack_rgba_row(format, n, src, (GLfloat (*)[4]) tmp); for (i = 0; i < n; i++) { UNCLAMPED_FLOAT_TO_UBYTE(dst[i][0], tmp[i*4+0]); UNCLAMPED_FLOAT_TO_UBYTE(dst[i][1], tmp[i*4+1]); UNCLAMPED_FLOAT_TO_UBYTE(dst[i][2], tmp[i*4+2]); UNCLAMPED_FLOAT_TO_UBYTE(dst[i][3], tmp[i*4+3]); } free(tmp); } } break; } } /**********************************************************************/ /* Unpack, returning GLuint colors */ /**********************************************************************/ static void unpack_int_rgba_RGBA_UINT32(const GLuint *src, GLuint dst[][4], GLuint n) { memcpy(dst, src, n * 4 * sizeof(GLuint)); } static void unpack_int_rgba_RGBA_UINT16(const GLushort *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 4 + 0]; dst[i][1] = src[i * 4 + 1]; dst[i][2] = src[i * 4 + 2]; dst[i][3] = src[i * 4 + 3]; } } static void unpack_int_rgba_RGBA_INT16(const GLshort *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 4 + 0]; dst[i][1] = src[i * 4 + 1]; dst[i][2] = src[i * 4 + 2]; dst[i][3] = src[i * 4 + 3]; } } static void unpack_int_rgba_RGBA_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 4 + 0]; dst[i][1] = src[i * 4 + 1]; dst[i][2] = src[i * 4 + 2]; dst[i][3] = src[i * 4 + 3]; } } static void unpack_int_rgba_RGBA_INT8(const GLbyte *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 4 + 0]; dst[i][1] = src[i * 4 + 1]; dst[i][2] = src[i * 4 + 2]; dst[i][3] = src[i * 4 + 3]; } } static void unpack_int_rgba_RGB_UINT32(const GLuint *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 3 + 0]; dst[i][1] = src[i * 3 + 1]; dst[i][2] = src[i * 3 + 2]; dst[i][3] = 1; } } static void unpack_int_rgba_RGB_UINT16(const GLushort *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 3 + 0]; dst[i][1] = src[i * 3 + 1]; dst[i][2] = src[i * 3 + 2]; dst[i][3] = 1; } } static void unpack_int_rgba_RGB_INT16(const GLshort *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 3 + 0]; dst[i][1] = src[i * 3 + 1]; dst[i][2] = src[i * 3 + 2]; dst[i][3] = 1; } } static void unpack_int_rgba_RGB_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 3 + 0]; dst[i][1] = src[i * 3 + 1]; dst[i][2] = src[i * 3 + 2]; dst[i][3] = 1; } } static void unpack_int_rgba_RGB_INT8(const GLbyte *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 3 + 0]; dst[i][1] = src[i * 3 + 1]; dst[i][2] = src[i * 3 + 2]; dst[i][3] = 1; } } static void unpack_int_rgba_RG_UINT32(const GLuint *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i * 2 + 0]; dst[i][1] = src[i * 2 + 1]; dst[i][2] = 0; dst[i][3] = 1; } } static void unpack_int_rgba_R_UINT32(const GLuint *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = src[i]; dst[i][1] = 0; dst[i][2] = 0; dst[i][3] = 1; } } static void unpack_int_rgba_LUMINANCE_UINT32(const GLuint *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = src[i]; dst[i][3] = 1; } } static void unpack_int_rgba_LUMINANCE_ALPHA_UINT32(const GLuint *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = src[i * 2 + 0]; dst[i][3] = src[i * 2 + 1]; } } static void unpack_int_rgba_INTENSITY_UINT32(const GLuint *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { dst[i][0] = dst[i][1] = dst[i][2] = dst[i][3] = src[i]; } } static void unpack_int_rgba_ARGB2101010_UINT(const GLuint *src, GLuint dst[][4], GLuint n) { unsigned int i; for (i = 0; i < n; i++) { GLuint tmp = src[i]; dst[i][0] = (tmp >> 20) & 0x3ff; dst[i][1] = (tmp >> 10) & 0x3ff; dst[i][2] = (tmp >> 0) & 0x3ff; dst[i][3] = (tmp >> 30) & 0x3; } } void _mesa_unpack_uint_rgba_row(gl_format format, GLuint n, const void *src, GLuint dst[][4]) { switch (format) { /* Since there won't be any sign extension happening, there's no need to * make separate paths for 32-bit-to-32-bit integer unpack. */ case MESA_FORMAT_RGBA_UINT32: case MESA_FORMAT_RGBA_INT32: unpack_int_rgba_RGBA_UINT32(src, dst, n); break; case MESA_FORMAT_RGBA_UINT16: unpack_int_rgba_RGBA_UINT16(src, dst, n); break; case MESA_FORMAT_RGBA_INT16: unpack_int_rgba_RGBA_INT16(src, dst, n); break; case MESA_FORMAT_RGBA_UINT8: unpack_int_rgba_RGBA_UINT8(src, dst, n); break; case MESA_FORMAT_RGBA_INT8: unpack_int_rgba_RGBA_INT8(src, dst, n); break; case MESA_FORMAT_RGB_UINT32: case MESA_FORMAT_RGB_INT32: unpack_int_rgba_RGB_UINT32(src, dst, n); break; case MESA_FORMAT_RGB_UINT16: unpack_int_rgba_RGB_UINT16(src, dst, n); break; case MESA_FORMAT_RGB_INT16: unpack_int_rgba_RGB_INT16(src, dst, n); break; case MESA_FORMAT_RGB_UINT8: unpack_int_rgba_RGB_UINT8(src, dst, n); break; case MESA_FORMAT_RGB_INT8: unpack_int_rgba_RGB_INT8(src, dst, n); break; case MESA_FORMAT_RG_UINT32: case MESA_FORMAT_RG_INT32: unpack_int_rgba_RG_UINT32(src, dst, n); break; case MESA_FORMAT_R_UINT32: case MESA_FORMAT_R_INT32: unpack_int_rgba_R_UINT32(src, dst, n); break; case MESA_FORMAT_LUMINANCE_UINT32: case MESA_FORMAT_LUMINANCE_INT32: unpack_int_rgba_LUMINANCE_UINT32(src, dst, n); break; case MESA_FORMAT_LUMINANCE_ALPHA_UINT32: case MESA_FORMAT_LUMINANCE_ALPHA_INT32: unpack_int_rgba_LUMINANCE_ALPHA_UINT32(src, dst, n); break; case MESA_FORMAT_INTENSITY_UINT32: case MESA_FORMAT_INTENSITY_INT32: unpack_int_rgba_INTENSITY_UINT32(src, dst, n); break; case MESA_FORMAT_ARGB2101010_UINT: unpack_int_rgba_ARGB2101010_UINT(src, dst, n); break; default: _mesa_problem(NULL, "%s: bad format %s", __FUNCTION__, _mesa_get_format_name(format)); return; } } /** * Unpack a 2D rect of pixels returning float RGBA colors. * \param format the source image format * \param src start address of the source image * \param srcRowStride source image row stride in bytes * \param dst start address of the dest image * \param dstRowStride dest image row stride in bytes * \param x source image start X pos * \param y source image start Y pos * \param width width of rect region to convert * \param height height of rect region to convert */ void _mesa_unpack_rgba_block(gl_format format, const void *src, GLint srcRowStride, GLfloat dst[][4], GLint dstRowStride, GLuint x, GLuint y, GLuint width, GLuint height) { unpack_rgba_func unpack = get_unpack_rgba_function(format); const GLuint srcPixStride = _mesa_get_format_bytes(format); const GLuint dstPixStride = 4 * sizeof(GLfloat); const GLubyte *srcRow; GLubyte *dstRow; GLuint i; /* XXX needs to be fixed for compressed formats */ srcRow = ((const GLubyte *) src) + srcRowStride * y + srcPixStride * x; dstRow = ((GLubyte *) dst) + dstRowStride * y + dstPixStride * x; for (i = 0; i < height; i++) { unpack(srcRow, (GLfloat (*)[4]) dstRow, width); dstRow += dstRowStride; srcRow += srcRowStride; } } typedef void (*unpack_float_z_func)(GLuint n, const void *src, GLfloat *dst); static void unpack_float_z_Z24_X8(GLuint n, const void *src, GLfloat *dst) { /* only return Z, not stencil data */ const GLuint *s = ((const GLuint *) src); const GLdouble scale = 1.0 / (GLdouble) 0xffffff; GLuint i; for (i = 0; i < n; i++) { dst[i] = (s[i] >> 8) * scale; ASSERT(dst[i] >= 0.0F); ASSERT(dst[i] <= 1.0F); } } static void unpack_float_z_X8_Z24(GLuint n, const void *src, GLfloat *dst) { /* only return Z, not stencil data */ const GLuint *s = ((const GLuint *) src); const GLdouble scale = 1.0 / (GLdouble) 0xffffff; GLuint i; for (i = 0; i < n; i++) { dst[i] = (s[i] & 0x00ffffff) * scale; ASSERT(dst[i] >= 0.0F); ASSERT(dst[i] <= 1.0F); } } static void unpack_float_z_Z16(GLuint n, const void *src, GLfloat *dst) { const GLushort *s = ((const GLushort *) src); GLuint i; for (i = 0; i < n; i++) { dst[i] = s[i] * (1.0F / 65535.0F); } } static void unpack_float_z_Z32(GLuint n, const void *src, GLfloat *dst) { const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i] = s[i] * (1.0F / 0xffffffff); } } static void unpack_float_z_Z32F(GLuint n, const void *src, GLfloat *dst) { memcpy(dst, src, n * sizeof(float)); } static void unpack_float_z_Z32X24S8(GLuint n, const void *src, GLfloat *dst) { const GLfloat *s = ((const GLfloat *) src); GLuint i; for (i = 0; i < n; i++) { dst[i] = s[i * 2]; } } /** * Unpack Z values. * The returned values will always be in the range [0.0, 1.0]. */ void _mesa_unpack_float_z_row(gl_format format, GLuint n, const void *src, GLfloat *dst) { unpack_float_z_func unpack; switch (format) { case MESA_FORMAT_Z24_S8: case MESA_FORMAT_Z24_X8: unpack = unpack_float_z_Z24_X8; break; case MESA_FORMAT_S8_Z24: case MESA_FORMAT_X8_Z24: unpack = unpack_float_z_X8_Z24; break; case MESA_FORMAT_Z16: unpack = unpack_float_z_Z16; break; case MESA_FORMAT_Z32: unpack = unpack_float_z_Z32; break; case MESA_FORMAT_Z32_FLOAT: unpack = unpack_float_z_Z32F; break; case MESA_FORMAT_Z32_FLOAT_X24S8: unpack = unpack_float_z_Z32X24S8; break; default: _mesa_problem(NULL, "bad format %s in _mesa_unpack_float_z_row", _mesa_get_format_name(format)); return; } unpack(n, src, dst); } typedef void (*unpack_uint_z_func)(const void *src, GLuint *dst, GLuint n); static void unpack_uint_z_Z24_X8(const void *src, GLuint *dst, GLuint n) { /* only return Z, not stencil data */ const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i] = (s[i] & 0xffffff00) | (s[i] >> 24); } } static void unpack_uint_z_X8_Z24(const void *src, GLuint *dst, GLuint n) { /* only return Z, not stencil data */ const GLuint *s = ((const GLuint *) src); GLuint i; for (i = 0; i < n; i++) { dst[i] = (s[i] << 8) | ((s[i] >> 16) & 0xff); } } static void unpack_uint_z_Z16(const void *src, GLuint *dst, GLuint n) { const GLushort *s = ((const GLushort *)src); GLuint i; for (i = 0; i < n; i++) { dst[i] = (s[i] << 16) | s[i]; } } static void unpack_uint_z_Z32(const void *src, GLuint *dst, GLuint n) { memcpy(dst, src, n * sizeof(GLuint)); } /** * Unpack Z values. * The returned values will always be in the range [0, 0xffffffff]. */ void _mesa_unpack_uint_z_row(gl_format format, GLuint n, const void *src, GLuint *dst) { unpack_uint_z_func unpack; const GLubyte *srcPtr = (GLubyte *) src; switch (format) { case MESA_FORMAT_Z24_S8: case MESA_FORMAT_Z24_X8: unpack = unpack_uint_z_Z24_X8; break; case MESA_FORMAT_S8_Z24: case MESA_FORMAT_X8_Z24: unpack = unpack_uint_z_X8_Z24; break; case MESA_FORMAT_Z16: unpack = unpack_uint_z_Z16; break; case MESA_FORMAT_Z32: unpack = unpack_uint_z_Z32; break; default: _mesa_problem(NULL, "bad format %s in _mesa_unpack_uint_z_row", _mesa_get_format_name(format)); return; } unpack(srcPtr, dst, n); } static void unpack_ubyte_s_S8(const void *src, GLubyte *dst, GLuint n) { memcpy(dst, src, n); } static void unpack_ubyte_s_Z24_S8(const void *src, GLubyte *dst, GLuint n) { GLuint i; const GLuint *src32 = src; for (i = 0; i < n; i++) dst[i] = src32[i] & 0xff; } static void unpack_ubyte_s_S8_Z24(const void *src, GLubyte *dst, GLuint n) { GLuint i; const GLuint *src32 = src; for (i = 0; i < n; i++) dst[i] = src32[i] >> 24; } static void unpack_ubyte_s_Z32_FLOAT_X24S8(const void *src, GLubyte *dst, GLuint n) { GLuint i; const GLuint *src32 = src; for (i = 0; i < n; i++) dst[i] = src32[i * 2 + 1] & 0xff; } void _mesa_unpack_ubyte_stencil_row(gl_format format, GLuint n, const void *src, GLubyte *dst) { switch (format) { case MESA_FORMAT_S8: unpack_ubyte_s_S8(src, dst, n); break; case MESA_FORMAT_Z24_S8: unpack_ubyte_s_Z24_S8(src, dst, n); break; case MESA_FORMAT_S8_Z24: unpack_ubyte_s_S8_Z24(src, dst, n); break; case MESA_FORMAT_Z32_FLOAT_X24S8: unpack_ubyte_s_Z32_FLOAT_X24S8(src, dst, n); break; default: _mesa_problem(NULL, "bad format %s in _mesa_unpack_ubyte_s_row", _mesa_get_format_name(format)); return; } } static void unpack_uint_24_8_depth_stencil_S8_Z24(const GLuint *src, GLuint *dst, GLuint n) { GLuint i; for (i = 0; i < n; i++) { GLuint val = src[i]; dst[i] = val >> 24 | val << 8; } } static void unpack_uint_24_8_depth_stencil_Z24_S8(const GLuint *src, GLuint *dst, GLuint n) { memcpy(dst, src, n * 4); } void _mesa_unpack_uint_24_8_depth_stencil_row(gl_format format, GLuint n, const void *src, GLuint *dst) { switch (format) { case MESA_FORMAT_Z24_S8: unpack_uint_24_8_depth_stencil_Z24_S8(src, dst, n); break; case MESA_FORMAT_S8_Z24: unpack_uint_24_8_depth_stencil_S8_Z24(src, dst, n); break; default: _mesa_problem(NULL, "bad format %s in _mesa_unpack_uint_24_8_depth_stencil_row", _mesa_get_format_name(format)); return; } }