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-rw-r--r--src/mesa/main/multisample.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/src/mesa/main/multisample.c b/src/mesa/main/multisample.c
index e7783ea5374..77773a20883 100644
--- a/src/mesa/main/multisample.c
+++ b/src/mesa/main/multisample.c
@@ -174,10 +174,15 @@ _mesa_check_sample_count(struct gl_context *ctx, GLenum target,
* for <internalformat> then the error INVALID_OPERATION is generated."
*/
if (ctx->Extensions.ARB_internalformat_query) {
- GLint buffer[16];
- int count = ctx->Driver.QuerySamplesForFormat(ctx, target,
- internalFormat, buffer);
- int limit = count ? buffer[0] : -1;
+ GLint buffer[16] = {-1};
+ GLint limit;
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalFormat,
+ GL_SAMPLES, buffer);
+ /* since the query returns samples sorted in descending order,
+ * the first element is the greatest supported sample value.
+ */
+ limit = buffer[0];
return samples > limit ? GL_INVALID_OPERATION : GL_NO_ERROR;
}