diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker')
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_extensions.c | 11 |
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 aa7b104f4..ea97874db 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;
}
|