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authorDaniel Borca <[email protected]>2004-10-12 06:44:34 +0000
committerDaniel Borca <[email protected]>2004-10-12 06:44:34 +0000
commit92e1d5fd34491814c48310e4e6d5207c434dcc3f (patch)
treebd2e8f0a8f2e4d60be2e98a238a3abac8230d5f8 /src/mesa
parent65a9ca33816773f4edcd1c88bf7bf139eb440f4c (diff)
SWTC trick
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dos/dmesa.c46
1 files changed, 44 insertions, 2 deletions
diff --git a/src/mesa/drivers/dos/dmesa.c b/src/mesa/drivers/dos/dmesa.c
index 99fd1b1b957..d3356ee40f6 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
@@ -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 <sys/dxe.h>
+
+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