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authormarha <marha@users.sourceforge.net>2011-07-27 15:24:50 +0200
committermarha <marha@users.sourceforge.net>2011-07-27 15:24:50 +0200
commit01dc3700436c1fa006d38434e110b68b5d9702ce (patch)
treecbe63b5f71cdadf817421025e4a22599763107d2 /mesalib/src/mesa
parentece07bdeaa82ea59e74bcfc588bcabe5e47567c1 (diff)
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mesa git update 27 juni 2011
Diffstat (limited to 'mesalib/src/mesa')
-rw-r--r--mesalib/src/mesa/state_tracker/st_extensions.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 99b231d97..b5f6d356e 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -208,6 +208,15 @@ void st_init_limits(struct st_context *st)
}
+static GLboolean st_get_s3tc_override(void)
+{
+ const char *override = _mesa_getenv("force_s3tc_enable");
+ if (override && !strcmp(override, "true"))
+ return GL_TRUE;
+ return GL_FALSE;
+}
+
+
/**
* Use pipe_screen::get_param() to query PIPE_CAP_ values to determine
* which GL extensions are supported.
@@ -426,7 +435,7 @@ void st_init_extensions(struct st_context *st)
if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW) &&
- ctx->Mesa_DXTn) {
+ (ctx->Mesa_DXTn || st_get_s3tc_override())) {
ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;
ctx->Extensions.S3_s3tc = GL_TRUE;
}