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-rw-r--r--src/mesa/drivers/x11/xm_api.c7
-rw-r--r--src/mesa/drivers/x11/xm_dd.c21
-rw-r--r--src/mesa/drivers/x11/xmesaP.h3
3 files changed, 31 insertions, 0 deletions
diff --git a/src/mesa/drivers/x11/xm_api.c b/src/mesa/drivers/x11/xm_api.c
index 4a8a92a0c8..6255c3b794 100644
--- a/src/mesa/drivers/x11/xm_api.c
+++ b/src/mesa/drivers/x11/xm_api.c
@@ -1668,6 +1668,13 @@ XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list )
_mesa_enable_1_4_extensions(mesaCtx);
_mesa_enable_1_5_extensions(mesaCtx);
_mesa_enable_2_0_extensions(mesaCtx);
+#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
/* finish up xmesa context initializations */
c->swapbytes = CHECK_BYTE_ORDER(v) ? GL_FALSE : GL_TRUE;
diff --git a/src/mesa/drivers/x11/xm_dd.c b/src/mesa/drivers/x11/xm_dd.c
index 4a290c84db..db94e40c21 100644
--- a/src/mesa/drivers/x11/xm_dd.c
+++ b/src/mesa/drivers/x11/xm_dd.c
@@ -1149,6 +1149,24 @@ test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
/**
+ * In SW, we don't really compress GL_COMPRESSED_RGB[A] textures!
+ */
+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);
+ }
+}
+
+
+/**
* Initialize the device driver function table with the functions
* we implement in this driver.
*/
@@ -1178,6 +1196,9 @@ void xmesa_init_driver_functions( XMesaVisual xmvisual,
}
#endif
driver->TestProxyTexImage = test_proxy_teximage;
+#if SWTC
+ driver->ChooseTextureFormat = choose_tex_format;
+#endif
}
diff --git a/src/mesa/drivers/x11/xmesaP.h b/src/mesa/drivers/x11/xmesaP.h
index b6fa3a1e1d..085b43401c 100644
--- a/src/mesa/drivers/x11/xmesaP.h
+++ b/src/mesa/drivers/x11/xmesaP.h
@@ -521,4 +521,7 @@ extern GLboolean XMesaLoseCurrent(XMesaContext c);
extern void XMesaReset( void );
+#define SWTC 0 /* SW texture compression */
+
+
#endif