2012-08-22 17:58:09 +00:00
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/*
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* Mesa 3-D graphics library
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*
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* Copyright (c) 2011 VMware, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* Color, depth, stencil packing functions.
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* Used to pack basic color, depth and stencil formats to specific
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* hardware formats.
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*
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* There are both per-pixel and per-row packing functions:
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* - The former will be used by swrast to write values to the color, depth,
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* stencil buffers when drawing points, lines and masked spans.
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* - The later will be used for image-oriented functions like glDrawPixels,
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* glAccum, and glTexImage.
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*/
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#include "colormac.h"
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#include "format_pack.h"
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#include "macros.h"
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typedef void (*pack_ubyte_rgba_row_func)(GLuint n,
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const GLubyte src[][4], void *dst);
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typedef void (*pack_float_rgba_row_func)(GLuint n,
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const GLfloat src[][4], void *dst);
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/*
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* MESA_FORMAT_RGBA8888
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*/
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static void
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pack_ubyte_RGBA8888(const GLubyte src[4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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*d = PACK_COLOR_8888(src[RCOMP], src[GCOMP], src[BCOMP], src[ACOMP]);
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}
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static void
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pack_float_RGBA8888(const GLfloat src[4], void *dst)
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{
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src);
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pack_ubyte_RGBA8888(v, dst);
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}
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static void
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pack_row_ubyte_RGBA8888(GLuint n, const GLubyte src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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d[i] = PACK_COLOR_8888(src[i][RCOMP], src[i][GCOMP],
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src[i][BCOMP], src[i][ACOMP]);
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}
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}
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static void
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pack_row_float_RGBA8888(GLuint n, const GLfloat src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
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pack_ubyte_RGBA8888(v, d + i);
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}
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}
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/*
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* MESA_FORMAT_RGBA8888_REV
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*/
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static void
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pack_ubyte_RGBA8888_REV(const GLubyte src[4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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*d = PACK_COLOR_8888(src[ACOMP], src[BCOMP], src[GCOMP], src[RCOMP]);
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}
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static void
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pack_float_RGBA8888_REV(const GLfloat src[4], void *dst)
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{
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src);
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pack_ubyte_RGBA8888_REV(v, dst);
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}
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static void
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pack_row_ubyte_RGBA8888_REV(GLuint n, const GLubyte src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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d[i] = PACK_COLOR_8888(src[i][ACOMP], src[i][BCOMP],
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src[i][GCOMP], src[i][RCOMP]);
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}
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}
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static void
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pack_row_float_RGBA8888_REV(GLuint n, const GLfloat src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
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pack_ubyte_RGBA8888_REV(v, d + i);
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}
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}
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/*
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* MESA_FORMAT_ARGB8888
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*/
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static void
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pack_ubyte_ARGB8888(const GLubyte src[4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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*d = PACK_COLOR_8888(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]);
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}
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static void
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pack_float_ARGB8888(const GLfloat src[4], void *dst)
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{
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src);
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pack_ubyte_ARGB8888(v, dst);
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}
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static void
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pack_row_ubyte_ARGB8888(GLuint n, const GLubyte src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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d[i] = PACK_COLOR_8888(src[i][ACOMP], src[i][RCOMP],
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src[i][GCOMP], src[i][BCOMP]);
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}
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}
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static void
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pack_row_float_ARGB8888(GLuint n, const GLfloat src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
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pack_ubyte_ARGB8888(v, d + i);
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}
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}
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/*
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* MESA_FORMAT_ARGB8888_REV
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*/
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static void
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pack_ubyte_ARGB8888_REV(const GLubyte src[4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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*d = PACK_COLOR_8888(src[BCOMP], src[GCOMP], src[RCOMP], src[ACOMP]);
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}
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static void
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pack_float_ARGB8888_REV(const GLfloat src[4], void *dst)
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{
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src);
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pack_ubyte_ARGB8888_REV(v, dst);
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}
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static void
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pack_row_ubyte_ARGB8888_REV(GLuint n, const GLubyte src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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d[i] = PACK_COLOR_8888(src[i][BCOMP], src[i][GCOMP],
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src[i][RCOMP], src[i][ACOMP]);
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}
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}
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static void
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pack_row_float_ARGB8888_REV(GLuint n, const GLfloat src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
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pack_ubyte_ARGB8888_REV(v, d + i);
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}
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}
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/*
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* MESA_FORMAT_XRGB8888
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*/
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static void
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pack_ubyte_XRGB8888(const GLubyte src[4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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*d = PACK_COLOR_8888(0x0, src[RCOMP], src[GCOMP], src[BCOMP]);
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}
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static void
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pack_float_XRGB8888(const GLfloat src[4], void *dst)
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{
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src);
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pack_ubyte_XRGB8888(v, dst);
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}
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static void
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pack_row_ubyte_XRGB8888(GLuint n, const GLubyte src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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d[i] = PACK_COLOR_8888(0, src[i][RCOMP], src[i][GCOMP], src[i][BCOMP]);
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}
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}
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static void
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pack_row_float_XRGB8888(GLuint n, const GLfloat src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
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pack_ubyte_XRGB8888(v, d + i);
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}
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}
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/*
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* MESA_FORMAT_XRGB8888_REV
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*/
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static void
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pack_ubyte_XRGB8888_REV(const GLubyte src[4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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*d = PACK_COLOR_8888(src[BCOMP], src[GCOMP], src[RCOMP], 0);
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}
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static void
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pack_float_XRGB8888_REV(const GLfloat src[4], void *dst)
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{
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src);
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pack_ubyte_XRGB8888_REV(v, dst);
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}
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static void
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pack_row_ubyte_XRGB8888_REV(GLuint n, const GLubyte src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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d[i] = PACK_COLOR_8888(src[i][BCOMP], src[i][GCOMP], src[i][RCOMP], 0);
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}
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}
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static void
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pack_row_float_XRGB8888_REV(GLuint n, const GLfloat src[][4], void *dst)
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{
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GLuint *d = ((GLuint *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
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pack_ubyte_XRGB8888_REV(v, d + i);
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}
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}
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/*
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* MESA_FORMAT_RGB888
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*/
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static void
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pack_ubyte_RGB888(const GLubyte src[4], void *dst)
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{
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GLubyte *d = ((GLubyte *) dst);
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d[2] = src[RCOMP];
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d[1] = src[GCOMP];
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d[0] = src[BCOMP];
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}
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static void
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pack_float_RGB888(const GLfloat src[4], void *dst)
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{
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GLubyte *d = ((GLubyte *) dst);
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UNCLAMPED_FLOAT_TO_UBYTE(d[2], src[RCOMP]);
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UNCLAMPED_FLOAT_TO_UBYTE(d[1], src[GCOMP]);
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UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[BCOMP]);
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}
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static void
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pack_row_ubyte_RGB888(GLuint n, const GLubyte src[][4], void *dst)
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{
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GLubyte *d = ((GLubyte *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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d[i*3+2] = src[i][RCOMP];
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d[i*3+1] = src[i][GCOMP];
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d[i*3+0] = src[i][BCOMP];
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}
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}
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static void
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pack_row_float_RGB888(GLuint n, const GLfloat src[][4], void *dst)
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{
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GLubyte *d = ((GLubyte *) dst);
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GLuint i;
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for (i = 0; i < n; i++) {
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GLubyte v[4];
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_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
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d[i*3+2] = v[RCOMP];
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d[i*3+1] = v[GCOMP];
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d[i*3+0] = v[BCOMP];
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}
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}
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/*
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* MESA_FORMAT_BGR888
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*/
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static void
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pack_ubyte_BGR888(const GLubyte src[4], void *dst)
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{
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|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
d[2] = src[BCOMP];
|
|
|
|
d[1] = src[GCOMP];
|
|
|
|
d[0] = src[RCOMP];
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_BGR888(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(d[2], src[BCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(d[1], src[GCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[RCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_row_ubyte_BGR888(GLuint n, const GLubyte src[][4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
d[i*3+2] = src[i][BCOMP];
|
|
|
|
d[i*3+1] = src[i][GCOMP];
|
|
|
|
d[i*3+0] = src[i][RCOMP];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_row_float_BGR888(GLuint n, const GLfloat src[][4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
GLubyte v[4];
|
|
|
|
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
|
|
|
|
d[i*3+2] = v[BCOMP];
|
|
|
|
d[i*3+1] = v[GCOMP];
|
|
|
|
d[i*3+0] = v[RCOMP];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* MESA_FORMAT_RGB565
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_RGB565(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = PACK_COLOR_565(src[RCOMP], src[GCOMP], src[BCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_RGB565(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[3];
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[1], src[GCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[2], src[BCOMP]);
|
|
|
|
pack_ubyte_RGB565(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_row_ubyte_RGB565(GLuint n, const GLubyte src[][4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
pack_ubyte_RGB565(src[i], d + i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_row_float_RGB565(GLuint n, const GLfloat src[][4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
GLubyte v[4];
|
|
|
|
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
|
|
|
|
pack_ubyte_RGB565(v, d + i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* MESA_FORMAT_RGB565_REV
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_RGB565_REV(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = PACK_COLOR_565_REV(src[RCOMP], src[GCOMP], src[BCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_RGB565_REV(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
GLubyte r, g, b;
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(r, src[RCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(g, src[GCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(b, src[BCOMP]);
|
|
|
|
*d = PACK_COLOR_565_REV(r, g, b);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_row_ubyte_RGB565_REV(GLuint n, const GLubyte src[][4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
pack_ubyte_RGB565_REV(src[i], d + i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_row_float_RGB565_REV(GLuint n, const GLfloat src[][4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
GLubyte v[4];
|
|
|
|
_mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
|
|
|
|
pack_ubyte_RGB565_REV(v, d + i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* MESA_FORMAT_ARGB4444
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_ARGB4444(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = PACK_COLOR_4444(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_ARGB4444(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[4];
|
|
|
|
_mesa_unclamped_float_rgba_to_ubyte(v, src);
|
|
|
|
pack_ubyte_ARGB4444(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* use fallback row packing functions */
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* MESA_FORMAT_ARGB4444_REV
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_ARGB4444_REV(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = PACK_COLOR_4444(src[GCOMP], src[BCOMP], src[ACOMP], src[RCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_ARGB4444_REV(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[4];
|
|
|
|
_mesa_unclamped_float_rgba_to_ubyte(v, src);
|
|
|
|
pack_ubyte_ARGB4444_REV(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* use fallback row packing functions */
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* MESA_FORMAT_RGBA5551
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_RGBA5551(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = PACK_COLOR_5551(src[RCOMP], src[GCOMP], src[BCOMP], src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_RGBA5551(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[4];
|
|
|
|
_mesa_unclamped_float_rgba_to_ubyte(v, src);
|
|
|
|
pack_ubyte_RGBA5551(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* use fallback row packing functions */
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* MESA_FORMAT_ARGB1555
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_ARGB1555(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = PACK_COLOR_1555(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_ARGB1555(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[4];
|
|
|
|
_mesa_unclamped_float_rgba_to_ubyte(v, src);
|
|
|
|
pack_ubyte_ARGB1555(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_ARGB1555_REV */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_ARGB1555_REV(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst), tmp;
|
|
|
|
tmp = PACK_COLOR_1555(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]);
|
|
|
|
*d = (tmp >> 8) | (tmp << 8);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_ARGB1555_REV(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[4];
|
|
|
|
_mesa_unclamped_float_rgba_to_ubyte(v, src);
|
|
|
|
pack_ubyte_ARGB1555_REV(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_AL44 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_AL44(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
*d = PACK_COLOR_44(src[ACOMP], src[RCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_AL44(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[4];
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[3], src[ACOMP]);
|
|
|
|
pack_ubyte_AL44(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_AL88 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_AL88(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = PACK_COLOR_88(src[ACOMP], src[RCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_AL88(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[4];
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[3], src[ACOMP]);
|
|
|
|
pack_ubyte_AL88(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_AL88_REV */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_AL88_REV(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = PACK_COLOR_88(src[RCOMP], src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_AL88_REV(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[4];
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[3], src[ACOMP]);
|
|
|
|
pack_ubyte_AL88_REV(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_AL1616 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_AL1616(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
GLushort l = UBYTE_TO_USHORT(src[RCOMP]);
|
|
|
|
GLushort a = UBYTE_TO_USHORT(src[ACOMP]);
|
|
|
|
*d = PACK_COLOR_1616(a, l);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_AL1616(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
GLushort l, a;
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(l, src[RCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]);
|
|
|
|
*d = PACK_COLOR_1616(a, l);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_AL1616_REV */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_AL1616_REV(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
GLushort l = UBYTE_TO_USHORT(src[RCOMP]);
|
|
|
|
GLushort a = UBYTE_TO_USHORT(src[ACOMP]);
|
|
|
|
*d = PACK_COLOR_1616(l, a);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_AL1616_REV(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
GLushort l, a;
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(l, src[RCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]);
|
|
|
|
*d = PACK_COLOR_1616(l, a);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_RGB332 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_RGB332(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
*d = PACK_COLOR_332(src[RCOMP], src[GCOMP], src[BCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_RGB332(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte v[4];
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[1], src[GCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[2], src[BCOMP]);
|
|
|
|
pack_ubyte_RGB332(v, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_A8 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_A8(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
*d = src[ACOMP];
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_A8(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_A16 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_A16(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = UBYTE_TO_USHORT(src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_A16(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(d[0], src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_L8 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_L8(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
*d = src[RCOMP];
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_L8(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[RCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_L16 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_L16(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = UBYTE_TO_USHORT(src[RCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_L16(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(d[0], src[RCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_YCBCR */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_YCBCR(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
/* todo */
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_YCBCR(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
/* todo */
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_YCBCR_REV */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_YCBCR_REV(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
/* todo */
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_YCBCR_REV(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
/* todo */
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_RGBA_FLOAT32 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_RGBA_FLOAT32(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = UBYTE_TO_FLOAT(src[0]);
|
|
|
|
d[1] = UBYTE_TO_FLOAT(src[1]);
|
|
|
|
d[2] = UBYTE_TO_FLOAT(src[2]);
|
|
|
|
d[3] = UBYTE_TO_FLOAT(src[3]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_RGBA_FLOAT32(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = src[0];
|
|
|
|
d[1] = src[1];
|
|
|
|
d[2] = src[2];
|
|
|
|
d[3] = src[3];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_RGBA_FLOAT16 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_RGBA_FLOAT16(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[0]));
|
|
|
|
d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[1]));
|
|
|
|
d[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[2]));
|
|
|
|
d[3] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[3]));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_RGBA_FLOAT16(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(src[0]);
|
|
|
|
d[1] = _mesa_float_to_half(src[1]);
|
|
|
|
d[2] = _mesa_float_to_half(src[2]);
|
|
|
|
d[3] = _mesa_float_to_half(src[3]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_RGB_FLOAT32 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_RGB_FLOAT32(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = UBYTE_TO_FLOAT(src[0]);
|
|
|
|
d[1] = UBYTE_TO_FLOAT(src[1]);
|
|
|
|
d[2] = UBYTE_TO_FLOAT(src[2]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_RGB_FLOAT32(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = src[0];
|
|
|
|
d[1] = src[1];
|
|
|
|
d[2] = src[2];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_RGB_FLOAT16 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_RGB_FLOAT16(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[0]));
|
|
|
|
d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[1]));
|
|
|
|
d[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[2]));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_RGB_FLOAT16(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(src[0]);
|
|
|
|
d[1] = _mesa_float_to_half(src[1]);
|
|
|
|
d[2] = _mesa_float_to_half(src[2]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_ALPHA_FLOAT32 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_ALPHA_FLOAT32(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = UBYTE_TO_FLOAT(src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_ALPHA_FLOAT32(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = src[ACOMP];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_ALPHA_FLOAT16 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_ALPHA_FLOAT16(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[ACOMP]));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_ALPHA_FLOAT16(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_LUMINANCE_FLOAT32 (and INTENSITY_FLOAT32, R_FLOAT32) */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_LUMINANCE_FLOAT32(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = UBYTE_TO_FLOAT(src[RCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_LUMINANCE_FLOAT32(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = src[RCOMP];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_LUMINANCE_FLOAT16 (and INTENSITY_FLOAT16, R_FLOAT32) */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_LUMINANCE_FLOAT16(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[RCOMP]));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_LUMINANCE_FLOAT16(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(src[RCOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_LUMINANCE_ALPHA_FLOAT32(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = UBYTE_TO_FLOAT(src[RCOMP]);
|
|
|
|
d[1] = UBYTE_TO_FLOAT(src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_LUMINANCE_ALPHA_FLOAT32(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat *d = ((GLfloat *) dst);
|
|
|
|
d[0] = src[RCOMP];
|
|
|
|
d[1] = src[ACOMP];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_LUMINANCE_ALPHA_FLOAT16(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[RCOMP]));
|
|
|
|
d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[ACOMP]));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_LUMINANCE_ALPHA_FLOAT16(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLhalfARB *d = ((GLhalfARB *) dst);
|
|
|
|
d[0] = _mesa_float_to_half(src[RCOMP]);
|
|
|
|
d[1] = _mesa_float_to_half(src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* MESA_FORMAT_RGBA_16 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_RGBA_16(const GLubyte src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
d[0] = UBYTE_TO_USHORT(src[RCOMP]);
|
|
|
|
d[1] = UBYTE_TO_USHORT(src[GCOMP]);
|
|
|
|
d[2] = UBYTE_TO_USHORT(src[BCOMP]);
|
|
|
|
d[3] = UBYTE_TO_USHORT(src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_RGBA_16(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(d[0], src[RCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(d[1], src[GCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(d[2], src[BCOMP]);
|
|
|
|
UNCLAMPED_FLOAT_TO_USHORT(d[3], src[ACOMP]);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* MESA_FORMAT_SIGNED_RGBA_16
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_SIGNED_RGBA_16(const GLfloat src[4], void *dst)
|
|
|
|
{
|
|
|
|
GLshort *d = (GLshort *) dst;
|
|
|
|
d[0] = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f));
|
|
|
|
d[1] = FLOAT_TO_SHORT(CLAMP(src[GCOMP], -1.0f, 1.0f));
|
|
|
|
d[2] = FLOAT_TO_SHORT(CLAMP(src[BCOMP], -1.0f, 1.0f));
|
|
|
|
d[3] = FLOAT_TO_SHORT(CLAMP(src[ACOMP], -1.0f, 1.0f));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Return a function that can pack a GLubyte rgba[4] color.
|
|
|
|
*/
|
|
|
|
gl_pack_ubyte_rgba_func
|
|
|
|
_mesa_get_pack_ubyte_rgba_function(gl_format format)
|
|
|
|
{
|
|
|
|
static gl_pack_ubyte_rgba_func table[MESA_FORMAT_COUNT];
|
|
|
|
static GLboolean initialized = GL_FALSE;
|
|
|
|
|
|
|
|
if (!initialized) {
|
|
|
|
memset(table, 0, sizeof(table));
|
|
|
|
|
|
|
|
table[MESA_FORMAT_NONE] = NULL;
|
|
|
|
|
|
|
|
table[MESA_FORMAT_RGBA8888] = pack_ubyte_RGBA8888;
|
|
|
|
table[MESA_FORMAT_RGBA8888_REV] = pack_ubyte_RGBA8888_REV;
|
|
|
|
table[MESA_FORMAT_ARGB8888] = pack_ubyte_ARGB8888;
|
|
|
|
table[MESA_FORMAT_ARGB8888_REV] = pack_ubyte_ARGB8888_REV;
|
|
|
|
table[MESA_FORMAT_RGBX8888] = pack_ubyte_RGBA8888; /* reused */
|
|
|
|
table[MESA_FORMAT_RGBX8888_REV] = pack_ubyte_RGBA8888_REV; /* reused */
|
|
|
|
table[MESA_FORMAT_XRGB8888] = pack_ubyte_XRGB8888;
|
|
|
|
table[MESA_FORMAT_XRGB8888_REV] = pack_ubyte_XRGB8888_REV;
|
|
|
|
table[MESA_FORMAT_RGB888] = pack_ubyte_RGB888;
|
|
|
|
table[MESA_FORMAT_BGR888] = pack_ubyte_BGR888;
|
|
|
|
table[MESA_FORMAT_RGB565] = pack_ubyte_RGB565;
|
|
|
|
table[MESA_FORMAT_RGB565_REV] = pack_ubyte_RGB565_REV;
|
|
|
|
table[MESA_FORMAT_ARGB4444] = pack_ubyte_ARGB4444;
|
|
|
|
table[MESA_FORMAT_ARGB4444_REV] = pack_ubyte_ARGB4444_REV;
|
|
|
|
table[MESA_FORMAT_RGBA5551] = pack_ubyte_RGBA5551;
|
|
|
|
table[MESA_FORMAT_ARGB1555] = pack_ubyte_ARGB1555;
|
|
|
|
table[MESA_FORMAT_ARGB1555_REV] = pack_ubyte_ARGB1555_REV;
|
|
|
|
table[MESA_FORMAT_AL44] = pack_ubyte_AL44;
|
|
|
|
table[MESA_FORMAT_AL88] = pack_ubyte_AL88;
|
|
|
|
table[MESA_FORMAT_AL88_REV] = pack_ubyte_AL88_REV;
|
|
|
|
table[MESA_FORMAT_AL1616] = pack_ubyte_AL1616;
|
|
|
|
table[MESA_FORMAT_AL1616_REV] = pack_ubyte_AL1616_REV;
|
|
|
|
table[MESA_FORMAT_RGB332] = pack_ubyte_RGB332;
|
|
|
|
table[MESA_FORMAT_A8] = pack_ubyte_A8;
|
|
|
|
table[MESA_FORMAT_A16] = pack_ubyte_A16;
|
|
|
|
table[MESA_FORMAT_L8] = pack_ubyte_L8;
|
|
|
|
table[MESA_FORMAT_L16] = pack_ubyte_L16;
|
|
|
|
table[MESA_FORMAT_I8] = pack_ubyte_L8; /* reuse pack_ubyte_L8 */
|
|
|
|
table[MESA_FORMAT_I16] = pack_ubyte_L16; /* reuse pack_ubyte_L16 */
|
|
|
|
table[MESA_FORMAT_YCBCR] = pack_ubyte_YCBCR;
|
|
|
|
table[MESA_FORMAT_YCBCR_REV] = pack_ubyte_YCBCR_REV;
|
|
|
|
|
|
|
|
/* should never convert RGBA to these formats */
|
|
|
|
table[MESA_FORMAT_Z16] = NULL;
|
|
|
|
table[MESA_FORMAT_X8_Z24] = NULL;
|
|
|
|
table[MESA_FORMAT_Z24_X8] = NULL;
|
|
|
|
table[MESA_FORMAT_Z32] = NULL;
|
|
|
|
table[MESA_FORMAT_S8] = NULL;
|
|
|
|
|
|
|
|
table[MESA_FORMAT_RGBA_FLOAT32] = pack_ubyte_RGBA_FLOAT32;
|
|
|
|
table[MESA_FORMAT_RGBA_FLOAT16] = pack_ubyte_RGBA_FLOAT16;
|
|
|
|
table[MESA_FORMAT_RGB_FLOAT32] = pack_ubyte_RGB_FLOAT32;
|
|
|
|
table[MESA_FORMAT_RGB_FLOAT16] = pack_ubyte_RGB_FLOAT16;
|
|
|
|
table[MESA_FORMAT_ALPHA_FLOAT32] = pack_ubyte_ALPHA_FLOAT32;
|
|
|
|
table[MESA_FORMAT_ALPHA_FLOAT16] = pack_ubyte_ALPHA_FLOAT16;
|
|
|
|
table[MESA_FORMAT_LUMINANCE_FLOAT32] = pack_ubyte_LUMINANCE_FLOAT32;
|
|
|
|
table[MESA_FORMAT_LUMINANCE_FLOAT16] = pack_ubyte_LUMINANCE_FLOAT16;
|
|
|
|
table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = pack_ubyte_LUMINANCE_ALPHA_FLOAT32;
|
|
|
|
table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16] = pack_ubyte_LUMINANCE_ALPHA_FLOAT16;
|
|
|
|
table[MESA_FORMAT_INTENSITY_FLOAT32] = pack_ubyte_LUMINANCE_FLOAT32;
|
|
|
|
table[MESA_FORMAT_INTENSITY_FLOAT16] = pack_ubyte_LUMINANCE_FLOAT16;
|
|
|
|
|
|
|
|
/* n/a */
|
|
|
|
table[MESA_FORMAT_RGBA_INT8] = NULL; /* pack_ubyte_RGBA_INT8 */
|
|
|
|
table[MESA_FORMAT_RGBA_INT16] = NULL; /* pack_ubyte_RGBA_INT16 */
|
|
|
|
table[MESA_FORMAT_RGBA_INT32] = NULL; /* pack_ubyte_RGBA_INT32 */
|
|
|
|
table[MESA_FORMAT_RGBA_UINT8] = NULL; /* pack_ubyte_RGBA_UINT8 */
|
|
|
|
table[MESA_FORMAT_RGBA_UINT16] = NULL; /* pack_ubyte_RGBA_UINT16 */
|
|
|
|
table[MESA_FORMAT_RGBA_UINT32] = NULL; /* pack_ubyte_RGBA_UINT32 */
|
|
|
|
|
|
|
|
table[MESA_FORMAT_RGBA_16] = pack_ubyte_RGBA_16;
|
|
|
|
|
|
|
|
table[MESA_FORMAT_SIGNED_RGBA_16] = NULL;
|
|
|
|
|
|
|
|
|
|
|
|
table[MESA_FORMAT_RGBA_16] = pack_ubyte_RGBA_16;
|
|
|
|
|
|
|
|
initialized = GL_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return table[format];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Return a function that can pack a GLfloat rgba[4] color.
|
|
|
|
*/
|
|
|
|
gl_pack_float_rgba_func
|
|
|
|
_mesa_get_pack_float_rgba_function(gl_format format)
|
|
|
|
{
|
|
|
|
static gl_pack_float_rgba_func table[MESA_FORMAT_COUNT];
|
|
|
|
static GLboolean initialized = GL_FALSE;
|
|
|
|
|
|
|
|
if (!initialized) {
|
|
|
|
memset(table, 0, sizeof(table));
|
|
|
|
|
|
|
|
table[MESA_FORMAT_NONE] = NULL;
|
|
|
|
|
|
|
|
table[MESA_FORMAT_RGBA8888] = pack_float_RGBA8888;
|
|
|
|
table[MESA_FORMAT_RGBA8888_REV] = pack_float_RGBA8888_REV;
|
|
|
|
table[MESA_FORMAT_ARGB8888] = pack_float_ARGB8888;
|
|
|
|
table[MESA_FORMAT_ARGB8888_REV] = pack_float_ARGB8888_REV;
|
|
|
|
table[MESA_FORMAT_RGBX8888] = pack_float_RGBA8888; /* reused */
|
|
|
|
table[MESA_FORMAT_RGBX8888_REV] = pack_float_RGBA8888_REV; /* reused */
|
|
|
|
table[MESA_FORMAT_XRGB8888] = pack_float_XRGB8888;
|
|
|
|
table[MESA_FORMAT_XRGB8888_REV] = pack_float_XRGB8888_REV;
|
|
|
|
table[MESA_FORMAT_RGB888] = pack_float_RGB888;
|
|
|
|
table[MESA_FORMAT_BGR888] = pack_float_BGR888;
|
|
|
|
table[MESA_FORMAT_RGB565] = pack_float_RGB565;
|
|
|
|
table[MESA_FORMAT_RGB565_REV] = pack_float_RGB565_REV;
|
|
|
|
table[MESA_FORMAT_ARGB4444] = pack_float_ARGB4444;
|
|
|
|
table[MESA_FORMAT_ARGB4444_REV] = pack_float_ARGB4444_REV;
|
|
|
|
table[MESA_FORMAT_RGBA5551] = pack_float_RGBA5551;
|
|
|
|
table[MESA_FORMAT_ARGB1555] = pack_float_ARGB1555;
|
|
|
|
table[MESA_FORMAT_ARGB1555_REV] = pack_float_ARGB1555_REV;
|
|
|
|
|
|
|
|
table[MESA_FORMAT_AL44] = pack_float_AL44;
|
|
|
|
table[MESA_FORMAT_AL88] = pack_float_AL88;
|
|
|
|
table[MESA_FORMAT_AL88_REV] = pack_float_AL88_REV;
|
|
|
|
table[MESA_FORMAT_AL1616] = pack_float_AL1616;
|
|
|
|
table[MESA_FORMAT_AL1616_REV] = pack_float_AL1616_REV;
|
|
|
|
table[MESA_FORMAT_RGB332] = pack_float_RGB332;
|
|
|
|
table[MESA_FORMAT_A8] = pack_float_A8;
|
|
|
|
table[MESA_FORMAT_A16] = pack_float_A16;
|
|
|
|
table[MESA_FORMAT_L8] = pack_float_L8;
|
|
|
|
table[MESA_FORMAT_L16] = pack_float_L16;
|
|
|
|
table[MESA_FORMAT_I8] = pack_float_L8; /* reuse pack_float_L8 */
|
|
|
|
table[MESA_FORMAT_I16] = pack_float_L16; /* reuse pack_float_L16 */
|
|
|
|
table[MESA_FORMAT_YCBCR] = pack_float_YCBCR;
|
|
|
|
table[MESA_FORMAT_YCBCR_REV] = pack_float_YCBCR_REV;
|
|
|
|
|
|
|
|
/* should never convert RGBA to these formats */
|
|
|
|
table[MESA_FORMAT_Z16] = NULL;
|
|
|
|
table[MESA_FORMAT_X8_Z24] = NULL;
|
|
|
|
table[MESA_FORMAT_Z24_X8] = NULL;
|
|
|
|
table[MESA_FORMAT_Z32] = NULL;
|
|
|
|
table[MESA_FORMAT_S8] = NULL;
|
|
|
|
|
|
|
|
table[MESA_FORMAT_RGBA_FLOAT32] = pack_float_RGBA_FLOAT32;
|
|
|
|
table[MESA_FORMAT_RGBA_FLOAT16] = pack_float_RGBA_FLOAT16;
|
|
|
|
table[MESA_FORMAT_RGB_FLOAT32] = pack_float_RGB_FLOAT32;
|
|
|
|
table[MESA_FORMAT_RGB_FLOAT16] = pack_float_RGB_FLOAT16;
|
|
|
|
table[MESA_FORMAT_ALPHA_FLOAT32] = pack_float_ALPHA_FLOAT32;
|
|
|
|
table[MESA_FORMAT_ALPHA_FLOAT16] = pack_float_ALPHA_FLOAT16;
|
|
|
|
table[MESA_FORMAT_LUMINANCE_FLOAT32] = pack_float_LUMINANCE_FLOAT32;
|
|
|
|
table[MESA_FORMAT_LUMINANCE_FLOAT16] = pack_float_LUMINANCE_FLOAT16;
|
|
|
|
table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = pack_float_LUMINANCE_ALPHA_FLOAT32;
|
|
|
|
table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16] = pack_float_LUMINANCE_ALPHA_FLOAT16;
|
|
|
|
|
|
|
|
table[MESA_FORMAT_INTENSITY_FLOAT32] = pack_float_LUMINANCE_FLOAT32;
|
|
|
|
table[MESA_FORMAT_INTENSITY_FLOAT16] = pack_float_LUMINANCE_FLOAT16;
|
|
|
|
|
|
|
|
/* n/a */
|
|
|
|
table[MESA_FORMAT_RGBA_INT8] = NULL;
|
|
|
|
table[MESA_FORMAT_RGBA_INT16] = NULL;
|
|
|
|
table[MESA_FORMAT_RGBA_INT32] = NULL;
|
|
|
|
table[MESA_FORMAT_RGBA_UINT8] = NULL;
|
|
|
|
table[MESA_FORMAT_RGBA_UINT16] = NULL;
|
|
|
|
table[MESA_FORMAT_RGBA_UINT32] = NULL;
|
|
|
|
|
|
|
|
table[MESA_FORMAT_RGBA_16] = pack_float_RGBA_16;
|
|
|
|
|
|
|
|
table[MESA_FORMAT_SIGNED_RGBA_16] = pack_float_SIGNED_RGBA_16;
|
|
|
|
|
|
|
|
|
|
|
|
initialized = GL_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return table[format];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static pack_float_rgba_row_func
|
|
|
|
get_pack_float_rgba_row_function(gl_format format)
|
|
|
|
{
|
|
|
|
static pack_float_rgba_row_func table[MESA_FORMAT_COUNT];
|
|
|
|
static GLboolean initialized = GL_FALSE;
|
|
|
|
|
|
|
|
if (!initialized) {
|
|
|
|
/* We don't need a special row packing function for each format.
|
|
|
|
* There's a generic fallback which uses a per-pixel packing function.
|
|
|
|
*/
|
|
|
|
memset(table, 0, sizeof(table));
|
|
|
|
|
|
|
|
table[MESA_FORMAT_RGBA8888] = pack_row_float_RGBA8888;
|
|
|
|
table[MESA_FORMAT_RGBA8888_REV] = pack_row_float_RGBA8888_REV;
|
|
|
|
table[MESA_FORMAT_ARGB8888] = pack_row_float_ARGB8888;
|
|
|
|
table[MESA_FORMAT_ARGB8888_REV] = pack_row_float_ARGB8888_REV;
|
|
|
|
table[MESA_FORMAT_RGBX8888] = pack_row_float_RGBA8888; /* reused */
|
|
|
|
table[MESA_FORMAT_RGBX8888_REV] = pack_row_float_RGBA8888_REV; /* reused */
|
|
|
|
table[MESA_FORMAT_XRGB8888] = pack_row_float_XRGB8888;
|
|
|
|
table[MESA_FORMAT_XRGB8888_REV] = pack_row_float_XRGB8888_REV;
|
|
|
|
table[MESA_FORMAT_RGB888] = pack_row_float_RGB888;
|
|
|
|
table[MESA_FORMAT_BGR888] = pack_row_float_BGR888;
|
|
|
|
table[MESA_FORMAT_RGB565] = pack_row_float_RGB565;
|
|
|
|
table[MESA_FORMAT_RGB565_REV] = pack_row_float_RGB565_REV;
|
|
|
|
|
|
|
|
initialized = GL_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return table[format];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static pack_ubyte_rgba_row_func
|
|
|
|
get_pack_ubyte_rgba_row_function(gl_format format)
|
|
|
|
{
|
|
|
|
static pack_ubyte_rgba_row_func table[MESA_FORMAT_COUNT];
|
|
|
|
static GLboolean initialized = GL_FALSE;
|
|
|
|
|
|
|
|
if (!initialized) {
|
|
|
|
/* We don't need a special row packing function for each format.
|
|
|
|
* There's a generic fallback which uses a per-pixel packing function.
|
|
|
|
*/
|
|
|
|
memset(table, 0, sizeof(table));
|
|
|
|
|
|
|
|
table[MESA_FORMAT_RGBA8888] = pack_row_ubyte_RGBA8888;
|
|
|
|
table[MESA_FORMAT_RGBA8888_REV] = pack_row_ubyte_RGBA8888_REV;
|
|
|
|
table[MESA_FORMAT_ARGB8888] = pack_row_ubyte_ARGB8888;
|
|
|
|
table[MESA_FORMAT_ARGB8888_REV] = pack_row_ubyte_ARGB8888_REV;
|
|
|
|
table[MESA_FORMAT_RGBX8888] = pack_row_ubyte_RGBA8888; /* reused */
|
|
|
|
table[MESA_FORMAT_RGBX8888_REV] = pack_row_ubyte_RGBA8888_REV; /* reused */
|
|
|
|
table[MESA_FORMAT_XRGB8888] = pack_row_ubyte_XRGB8888;
|
|
|
|
table[MESA_FORMAT_XRGB8888_REV] = pack_row_ubyte_XRGB8888_REV;
|
|
|
|
table[MESA_FORMAT_RGB888] = pack_row_ubyte_RGB888;
|
|
|
|
table[MESA_FORMAT_BGR888] = pack_row_ubyte_BGR888;
|
|
|
|
table[MESA_FORMAT_RGB565] = pack_row_ubyte_RGB565;
|
|
|
|
table[MESA_FORMAT_RGB565_REV] = pack_row_ubyte_RGB565_REV;
|
|
|
|
|
|
|
|
initialized = GL_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return table[format];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Pack a row of GLfloat rgba[4] values to the destination.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
_mesa_pack_float_rgba_row(gl_format format, GLuint n,
|
|
|
|
const GLfloat src[][4], void *dst)
|
|
|
|
{
|
|
|
|
pack_float_rgba_row_func packrow = get_pack_float_rgba_row_function(format);
|
|
|
|
if (packrow) {
|
|
|
|
/* use "fast" function */
|
|
|
|
packrow(n, src, dst);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
/* slower fallback */
|
|
|
|
gl_pack_float_rgba_func pack = _mesa_get_pack_float_rgba_function(format);
|
|
|
|
GLuint dstStride = _mesa_get_format_bytes(format);
|
|
|
|
GLubyte *dstPtr = (GLubyte *) dst;
|
|
|
|
GLuint i;
|
|
|
|
|
|
|
|
assert(pack);
|
|
|
|
if (!pack)
|
|
|
|
return;
|
|
|
|
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
pack(src[i], dstPtr);
|
|
|
|
dstPtr += dstStride;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Pack a row of GLubyte rgba[4] values to the destination.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
_mesa_pack_ubyte_rgba_row(gl_format format, GLuint n,
|
|
|
|
const GLubyte src[][4], void *dst)
|
|
|
|
{
|
|
|
|
pack_ubyte_rgba_row_func packrow = get_pack_ubyte_rgba_row_function(format);
|
|
|
|
if (packrow) {
|
|
|
|
/* use "fast" function */
|
|
|
|
packrow(n, src, dst);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
/* slower fallback */
|
|
|
|
gl_pack_ubyte_rgba_func pack = _mesa_get_pack_ubyte_rgba_function(format);
|
|
|
|
const GLuint stride = _mesa_get_format_bytes(format);
|
|
|
|
GLubyte *d = ((GLubyte *) dst);
|
|
|
|
GLuint i;
|
|
|
|
|
|
|
|
assert(pack);
|
|
|
|
if (!pack)
|
|
|
|
return;
|
|
|
|
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
pack(src[i], d);
|
|
|
|
d += stride;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
** Pack float Z pixels
|
|
|
|
**/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_z_Z24_S8(const GLfloat *src, void *dst)
|
|
|
|
{
|
|
|
|
/* don't disturb the stencil values */
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
const GLdouble scale = (GLdouble) 0xffffff;
|
|
|
|
GLuint s = *d & 0xff;
|
|
|
|
GLuint z = (GLuint) (*src * scale);
|
|
|
|
assert(z <= 0xffffff);
|
|
|
|
*d = (z << 8) | s;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_z_S8_Z24(const GLfloat *src, void *dst)
|
|
|
|
{
|
|
|
|
/* don't disturb the stencil values */
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
const GLdouble scale = (GLdouble) 0xffffff;
|
|
|
|
GLuint s = *d & 0xff000000;
|
|
|
|
GLuint z = (GLuint) (*src * scale);
|
|
|
|
assert(z <= 0xffffff);
|
|
|
|
*d = s | z;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_z_Z16(const GLfloat *src, void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
const GLfloat scale = (GLfloat) 0xffff;
|
|
|
|
*d = (GLushort) (*src * scale);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_float_z_Z32(const GLfloat *src, void *dst)
|
|
|
|
{
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
const GLdouble scale = (GLdouble) 0xffffffff;
|
|
|
|
*d = (GLuint) (*src * scale);
|
|
|
|
}
|
|
|
|
|
|
|
|
gl_pack_float_z_func
|
|
|
|
_mesa_get_pack_float_z_func(gl_format format)
|
|
|
|
{
|
|
|
|
switch (format) {
|
|
|
|
case MESA_FORMAT_Z24_X8:
|
|
|
|
return pack_float_z_Z24_S8;
|
|
|
|
case MESA_FORMAT_X8_Z24:
|
|
|
|
return pack_float_z_S8_Z24;
|
|
|
|
case MESA_FORMAT_Z16:
|
|
|
|
return pack_float_z_Z16;
|
|
|
|
case MESA_FORMAT_Z32:
|
|
|
|
return pack_float_z_Z32;
|
|
|
|
default:
|
|
|
|
_mesa_problem(NULL,
|
|
|
|
"unexpected format in _mesa_get_pack_float_z_func()");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
** Pack uint Z pixels. The incoming src value is always in
|
|
|
|
** the range [0, 2^32-1].
|
|
|
|
**/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_uint_z_Z24_S8(const GLuint *src, void *dst)
|
|
|
|
{
|
|
|
|
/* don't disturb the stencil values */
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
GLuint s = *d & 0xff;
|
|
|
|
GLuint z = *src & 0xffffff00;
|
|
|
|
*d = z | s;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_uint_z_S8_Z24(const GLuint *src, void *dst)
|
|
|
|
{
|
|
|
|
/* don't disturb the stencil values */
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
GLuint s = *d & 0xff000000;
|
|
|
|
GLuint z = *src >> 8;
|
|
|
|
*d = s | z;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_uint_z_Z16(const GLuint *src, void *dst)
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
*d = *src >> 16;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_uint_z_Z32(const GLuint *src, void *dst)
|
|
|
|
{
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
*d = *src;
|
|
|
|
}
|
|
|
|
|
|
|
|
gl_pack_uint_z_func
|
|
|
|
_mesa_get_pack_uint_z_func(gl_format format)
|
|
|
|
{
|
|
|
|
switch (format) {
|
|
|
|
case MESA_FORMAT_Z24_X8:
|
|
|
|
return pack_uint_z_Z24_S8;
|
|
|
|
case MESA_FORMAT_X8_Z24:
|
|
|
|
return pack_uint_z_S8_Z24;
|
|
|
|
case MESA_FORMAT_Z16:
|
|
|
|
return pack_uint_z_Z16;
|
|
|
|
case MESA_FORMAT_Z32:
|
|
|
|
return pack_uint_z_Z32;
|
|
|
|
default:
|
|
|
|
_mesa_problem(NULL, "unexpected format in _mesa_get_pack_uint_z_func()");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
** Pack ubyte stencil pixels
|
|
|
|
**/
|
|
|
|
|
|
|
|
static void
|
|
|
|
pack_ubyte_stencil_S8(const GLubyte *src, void *dst)
|
|
|
|
{
|
|
|
|
GLubyte *d = (GLubyte *) dst;
|
|
|
|
*d = *src;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
gl_pack_ubyte_stencil_func
|
|
|
|
_mesa_get_pack_ubyte_stencil_func(gl_format format)
|
|
|
|
{
|
2013-10-03 18:35:20 +00:00
|
|
|
return pack_ubyte_stencil_S8;
|
2012-08-22 17:58:09 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
_mesa_pack_float_z_row(gl_format format, GLuint n,
|
|
|
|
const GLfloat *src, void *dst)
|
|
|
|
{
|
|
|
|
switch (format) {
|
|
|
|
case MESA_FORMAT_Z24_X8:
|
|
|
|
{
|
|
|
|
/* don't disturb the stencil values */
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
const GLdouble scale = (GLdouble) 0xffffff;
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
GLuint s = d[i] & 0xff;
|
|
|
|
GLuint z = (GLuint) (src[i] * scale);
|
|
|
|
assert(z <= 0xffffff);
|
|
|
|
d[i] = (z << 8) | s;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MESA_FORMAT_X8_Z24:
|
|
|
|
{
|
|
|
|
/* don't disturb the stencil values */
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
const GLdouble scale = (GLdouble) 0xffffff;
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
GLuint s = d[i] & 0xff000000;
|
|
|
|
GLuint z = (GLuint) (src[i] * scale);
|
|
|
|
assert(z <= 0xffffff);
|
|
|
|
d[i] = s | z;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MESA_FORMAT_Z16:
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
const GLfloat scale = (GLfloat) 0xffff;
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
d[i] = (GLushort) (src[i] * scale);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MESA_FORMAT_Z32:
|
|
|
|
{
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
const GLdouble scale = (GLdouble) 0xffffffff;
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
d[i] = (GLuint) (src[i] * scale);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
_mesa_problem(NULL, "unexpected format in _mesa_pack_float_z_row()");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* The incoming Z values are always in the range [0, 0xffffffff].
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
_mesa_pack_uint_z_row(gl_format format, GLuint n,
|
|
|
|
const GLuint *src, void *dst)
|
|
|
|
{
|
|
|
|
switch (format) {
|
|
|
|
case MESA_FORMAT_Z24_X8:
|
|
|
|
{
|
|
|
|
/* don't disturb the stencil values */
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
GLuint s = d[i] & 0xff;
|
|
|
|
GLuint z = src[i] & 0xffffff00;
|
|
|
|
d[i] = z | s;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MESA_FORMAT_X8_Z24:
|
|
|
|
{
|
|
|
|
/* don't disturb the stencil values */
|
|
|
|
GLuint *d = ((GLuint *) dst);
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
GLuint s = d[i] & 0xff000000;
|
|
|
|
GLuint z = src[i] >> 8;
|
|
|
|
d[i] = s | z;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MESA_FORMAT_Z16:
|
|
|
|
{
|
|
|
|
GLushort *d = ((GLushort *) dst);
|
|
|
|
GLuint i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
d[i] = src[i] >> 16;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MESA_FORMAT_Z32:
|
|
|
|
memcpy(dst, src, n * sizeof(GLfloat));
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
_mesa_problem(NULL, "unexpected format in _mesa_pack_uint_z_row()");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
_mesa_pack_ubyte_stencil_row(gl_format format, GLuint n,
|
|
|
|
const GLubyte *src, void *dst)
|
|
|
|
{
|
2013-10-03 18:35:20 +00:00
|
|
|
memcpy(dst, src, n * sizeof(GLubyte));
|
2012-08-22 17:58:09 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Convert a boolean color mask to a packed color where each channel of
|
|
|
|
* the packed value at dst will be 0 or ~0 depending on the colorMask.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
_mesa_pack_colormask(gl_format format, const GLubyte colorMask[4], void *dst)
|
|
|
|
{
|
|
|
|
GLfloat maskColor[4];
|
|
|
|
|
|
|
|
switch (_mesa_get_format_datatype(format)) {
|
|
|
|
case GL_UNSIGNED_NORMALIZED:
|
|
|
|
/* simple: 1.0 will convert to ~0 in the right bit positions */
|
|
|
|
maskColor[0] = colorMask[0] ? 1.0 : 0.0;
|
|
|
|
maskColor[1] = colorMask[1] ? 1.0 : 0.0;
|
|
|
|
maskColor[2] = colorMask[2] ? 1.0 : 0.0;
|
|
|
|
maskColor[3] = colorMask[3] ? 1.0 : 0.0;
|
|
|
|
_mesa_pack_float_rgba_row(format, 1,
|
|
|
|
(const GLfloat (*)[4]) maskColor, dst);
|
|
|
|
break;
|
|
|
|
case GL_SIGNED_NORMALIZED:
|
|
|
|
case GL_FLOAT:
|
|
|
|
/* These formats are harder because it's hard to know the floating
|
|
|
|
* point values that will convert to ~0 for each color channel's bits.
|
|
|
|
* This solution just generates a non-zero value for each color channel
|
|
|
|
* then fixes up the non-zero values to be ~0.
|
|
|
|
* Note: we'll need to add special case code if we ever have to deal
|
|
|
|
* with formats with unequal color channel sizes, like R11_G11_B10.
|
|
|
|
* We issue a warning below for channel sizes other than 8,16,32.
|
|
|
|
*/
|
|
|
|
{
|
|
|
|
GLuint bits = _mesa_get_format_max_bits(format); /* bits per chan */
|
|
|
|
GLuint bytes = _mesa_get_format_bytes(format);
|
|
|
|
GLuint i;
|
|
|
|
|
|
|
|
/* this should put non-zero values into the channels of dst */
|
|
|
|
maskColor[0] = colorMask[0] ? -1.0f : 0.0f;
|
|
|
|
maskColor[1] = colorMask[1] ? -1.0f : 0.0f;
|
|
|
|
maskColor[2] = colorMask[2] ? -1.0f : 0.0f;
|
|
|
|
maskColor[3] = colorMask[3] ? -1.0f : 0.0f;
|
|
|
|
_mesa_pack_float_rgba_row(format, 1,
|
|
|
|
(const GLfloat (*)[4]) maskColor, dst);
|
|
|
|
|
|
|
|
/* fix-up the dst channels by converting non-zero values to ~0 */
|
|
|
|
if (bits == 8) {
|
|
|
|
GLubyte *d = (GLubyte *) dst;
|
|
|
|
for (i = 0; i < bytes; i++) {
|
|
|
|
d[i] = d[i] ? 0xffff : 0x0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (bits == 16) {
|
|
|
|
GLushort *d = (GLushort *) dst;
|
|
|
|
for (i = 0; i < bytes / 2; i++) {
|
|
|
|
d[i] = d[i] ? 0xffff : 0x0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (bits == 32) {
|
|
|
|
GLuint *d = (GLuint *) dst;
|
|
|
|
for (i = 0; i < bytes / 4; i++) {
|
|
|
|
d[i] = d[i] ? 0xffffffffU : 0x0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
_mesa_problem(NULL, "unexpected size in _mesa_pack_colormask()");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
_mesa_problem(NULL, "unexpected format data type in gen_color_mask()");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|