[Mesa-dev] [PATCH 1/2] mesa/main: add a comment to clarify INTERNALFORMAT_PREFERRED
apinheiro at igalia.com
Thu May 5 09:54:42 UTC 2016
The comment clarifies that the driver is called only to try to get
a preferred internalformat, and that it was already checked if the
format is supported or not.
src/mesa/main/formatquery.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/mesa/main/formatquery.c b/src/mesa/main/formatquery.c
index 215c14f..1f21d17 100644
@@ -902,7 +902,10 @@ _mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,
* format for representing resources of the specified <internalformat> is
* returned in <params>.
- * Therefore, we let the driver answer.
+ * Therefore, we let the driver answer. Note that if we reach this
+ * point, it means that the internalformat is supported, so the driver
+ * is called just to try to get a preferred format. If not supported,
+ * GL_NONE was already returned and the driver is not called.
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
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