Move simple UI blend mapping to renderer gl

src/node_text.cpp

@@ -1,6 +1,7 @@
 #include "pch.h"
 #include "log.h"
 #include "node_text.h"
+#include "renderer_gl/opengl_capabilities.h"
 #include "shader.h"
 
 Node* NodeText::clone_instantiate() const
@@ -173,9 +174,9 @@ void NodeText::draw()
     ShaderManager::u_int(kShaderUniform::Tex, 0);
     ShaderManager::u_mat4(kShaderUniform::MVP, m_proj * pos);
     ShaderManager::u_vec4(kShaderUniform::Col, m_color);
-    glEnable(GL_BLEND);
+    glEnable(pp::renderer::gl::blend_state());
     m_text_mesh.draw();
-    glDisable(GL_BLEND);
+    glDisable(pp::renderer::gl::blend_state());
 }
 
 void NodeText::handle_resize(glm::vec2 old_size, glm::vec2 new_size, float zoom)