Module: Mesa
Branch: master
Commit: b48c42cd1f81bf9a411d19aea2660d75622a1350
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=b48c42cd1f81bf9a411d19aea2660d75622a1350
Author: Alejandro Piñeiro <apinhe...@igalia.com>
Date: Thu May 5 11:27:05 2016 +0200
mesa/formatquery: add a comment to clarify INTERNALFORMAT_PREFERRED
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.
Acked-by: Eduardo Lima <el...@igalia.com>
Acked-by: Antia Puentes <apuen...@igalia.com>
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
---
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
--- a/src/mesa/main/formatquery.c
+++ b/src/mesa/main/formatquery.c
@@ -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,
buffer);
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