From 92e1d5fd34491814c48310e4e6d5207c434dcc3f Mon Sep 17 00:00:00 2001 From: Daniel Borca Date: Tue, 12 Oct 2004 06:44:34 +0000 Subject: [PATCH] SWTC trick --- src/mesa/drivers/dos/dmesa.c | 46 ++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 44 insertions(+), 2 deletions(-) diff --git a/src/mesa/drivers/dos/dmesa.c b/src/mesa/drivers/dos/dmesa.c index 99fd1b1..d3356ee 100644 --- a/src/mesa/drivers/dos/dmesa.c +++ b/src/mesa/drivers/dos/dmesa.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 6.1 + * Version: 6.3 * * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. * @@ -23,7 +23,7 @@ */ /* - * DOS/DJGPP device driver v1.6 for Mesa + * DOS/DJGPP device driver v1.7 for Mesa * * Copyright (c) 2003 - Daniel Borca * Email : dborca@users.sourceforge.net @@ -62,6 +62,8 @@ #include "GL/dmesa.h" +#define SWTC 1 /* SW texture compression */ + /* * In C++ terms, this class derives from the GLvisual class. @@ -713,6 +715,21 @@ static void dmesa_choose_line (GLcontext *ctx) /**************************************************************************** * Miscellaneous device driver funcs ***************************************************************************/ +static const struct gl_texture_format * +choose_tex_format( GLcontext *ctx, GLint internalFormat, + GLenum format, GLenum type ) +{ + switch (internalFormat) { + case GL_COMPRESSED_RGB_ARB: + return &_mesa_texformat_rgb; + case GL_COMPRESSED_RGBA_ARB: + return &_mesa_texformat_rgba; + default: + return _mesa_choose_tex_format(ctx, internalFormat, format, type); + } +} + + static void clear_index (GLcontext *ctx, GLuint index) { @@ -892,6 +909,9 @@ static void dmesa_init_driver_functions (DMesaVisual visual, driver->Clear = clear; driver->ClearColor = clear_color; driver->ClearIndex = clear_index; +#if SWTC + driver->ChooseTextureFormat = choose_tex_format; +#endif } @@ -1158,6 +1178,13 @@ DMesaContext DMesaCreateContext (DMesaVisual visual, _mesa_enable_1_4_extensions(c); _mesa_enable_1_5_extensions(c); _mesa_enable_2_0_extensions(c); +#if SWTC + if (c->Mesa_DXTn) { + _mesa_enable_extension(c, "GL_EXT_texture_compression_s3tc"); + _mesa_enable_extension(c, "GL_S3_s3tc"); + } + _mesa_enable_extension(c, "GL_3DFX_texture_compression_FXT1"); +#endif /* you probably have to do a bunch of other initializations here. */ ((DMesaContext)c)->visual = visual; @@ -1383,3 +1410,18 @@ int DMesaGetIntegerv (GLenum pname, GLint *params) return 0; } + + +#if USE_EXTERNAL_DXTN_LIB +#include + +extern_asm(___dj_assert); +extern_asm(_free); +extern_asm(_malloc); + +DXE_EXPORT_TABLE_AUTO (___dxe_eta___dxtn) + DXE_EXPORT_ASM (___dj_assert) + DXE_EXPORT_ASM (_free) + DXE_EXPORT_ASM (_malloc) +DXE_EXPORT_END +#endif -- 2.7.4