feat(render): style, GLSL line/text pipelines, staging batches, bitmap font

src/gl/handle.cpp

@@ -226,6 +226,26 @@ void Program::set_uniform(const char* name, Vec2 value) const noexcept {
   }
 }
 
+void Program::set_uniform(const char* name, Color value) const noexcept {
+  if (id_ == 0 || name == nullptr) {
+    return;
+  }
+  const GLint location = glGetUniformLocation(id_, name);
+  if (location >= 0) {
+    glUniform4f(location, value.r, value.g, value.b, value.a);
+  }
+}
+
+void Program::set_uniform_int(const char* name, i32 value) const noexcept {
+  if (id_ == 0 || name == nullptr) {
+    return;
+  }
+  const GLint location = glGetUniformLocation(id_, name);
+  if (location >= 0) {
+    glUniform1i(location, value);
+  }
+}
+
 void Program::destroy(GLuint id) noexcept { glDeleteProgram(id); }
 
 // ------------------------------------------------------------------ Texture