From 528f5bd58a139174170c4130c67dca30193c9057 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 5 Dec 2011 07:42:31 +0100 Subject: xserver xkeyboard-config mesa git update 5 dec 2011 --- mesalib/src/mesa/main/texcompress_etc.c | 71 +++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 mesalib/src/mesa/main/texcompress_etc.c (limited to 'mesalib/src/mesa/main/texcompress_etc.c') diff --git a/mesalib/src/mesa/main/texcompress_etc.c b/mesalib/src/mesa/main/texcompress_etc.c new file mode 100644 index 000000000..4d3b857cf --- /dev/null +++ b/mesalib/src/mesa/main/texcompress_etc.c @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2011 LunarG, 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 (including the next + * paragraph) 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 OR COPYRIGHT HOLDERS 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. + */ + +/** + * \file texcompress_etc.c + * GL_OES_compressed_ETC1_RGB8_texture support. + */ + + +#include "mfeatures.h" +#include "texcompress.h" +#include "texcompress_etc.h" +#include "texstore.h" +#include "macros.h" +#include "swrast/s_context.h" + +GLboolean +_mesa_texstore_etc1_rgb8(TEXSTORE_PARAMS) +{ + /* GL_ETC1_RGB8_OES is only valid in glCompressedTexImage2D */ + ASSERT(0); + + return GL_FALSE; +} + +/* define etc1_parse_block and etc. */ +#define UINT8_TYPE GLubyte +#define TAG(x) x +#include "texcompress_etc_tmp.h" +#undef TAG +#undef UINT8_TYPE + +void +_mesa_fetch_texel_2d_f_etc1_rgb8(const struct swrast_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + struct etc1_block block; + GLubyte dst[3]; + const GLubyte *src; + + src = (const GLubyte *) texImage->Data + + (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 8; + + etc1_parse_block(&block, src); + etc1_fetch_texel(&block, i % 4, j % 4, dst); + + texel[RCOMP] = UBYTE_TO_FLOAT(dst[0]); + texel[GCOMP] = UBYTE_TO_FLOAT(dst[1]); + texel[BCOMP] = UBYTE_TO_FLOAT(dst[2]); + texel[ACOMP] = 1.0f; +} -- cgit v1.2.3