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-rw-r--r--src/graphics/Shader.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/graphics/Shader.cpp b/src/graphics/Shader.cpp
index 96fe8ba..c23d32b 100644
--- a/src/graphics/Shader.cpp
+++ b/src/graphics/Shader.cpp
@@ -30,6 +30,10 @@ namespace mgl {
return mgl_shader_program_set_uniform_vec2f(&shader_program, name, { value.x, value.y }) == 0;
}
+ bool Shader::is_valid() const {
+ return shader_program.id != 0;
+ }
+
// static
void Shader::use(Shader *shader) {
if(shader)