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-rw-r--r--src/mesa/shader/shader_api.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 290717ff557..e738cde7916 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -1700,6 +1700,11 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count,
if (location == -1)
return; /* The standard specifies this as a no-op */
+ if (location < -1) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glUniform(location)");
+ return;
+ }
+
split_location_offset(&location, &offset);
if (location < 0 || location >= (GLint) shProg->Uniforms->NumUniforms) {
@@ -1874,6 +1879,11 @@ _mesa_uniform_matrix(GLcontext *ctx, GLint cols, GLint rows,
if (location == -1)
return; /* The standard specifies this as a no-op */
+ if (location < -1) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glUniformMatrix(location)");
+ return;
+ }
+
split_location_offset(&location, &offset);
if (location < 0 || location >= (GLint) shProg->Uniforms->NumUniforms) {