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-rw-r--r--src/mesa/main/readpix.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c
index 0c0e5394d66..c1489d21109 100644
--- a/src/mesa/main/readpix.c
+++ b/src/mesa/main/readpix.c
@@ -782,6 +782,11 @@ _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height,
return;
}
+ if (ctx->ReadBuffer->Name != 0 && ctx->ReadBuffer->Visual.samples > 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels(multisample FBO)");
+ return;
+ }
+
if (!_mesa_source_buffer_exists(ctx, format)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels(no readbuffer)");
return;