1 files changed, 70 insertions, 0 deletions
diff --git a/src/mbgl/gl/program.hpp b/src/mbgl/gl/program.hpp
new file mode 100644
index 0000000000..33387e9d4e
--- /dev/null
+++ b/src/mbgl/gl/program.hpp
@@ -0,0 +1,70 @@
+#pragma once
+
+#include <mbgl/gl/types.hpp>
+#include <mbgl/gl/object.hpp>
+#include <mbgl/gl/context.hpp>
+#include <mbgl/gl/vertex_buffer.hpp>
+#include <mbgl/gl/index_buffer.hpp>
+#include <mbgl/gl/attribute.hpp>
+#include <mbgl/gl/uniform.hpp>
+
+#include <string>
+
+namespace mbgl {
+namespace gl {
+
+template <class P, class As, class Us>
+class Program {
+public:
+    using Primitive = P;
+    using Attributes = As;
+    using Uniforms = Us;
+
+    using Vertex = typename Attributes::Vertex;
+    using UniformValues = typename Uniforms::Values;
+
+    static_assert(std::is_standard_layout<Vertex>::value, "vertex type must use standard layout");
+
+    Program(Context& context, const std::string& vertexSource, const std::string& fragmentSource)
+        : vertexShader(context.createShader(ShaderType::Vertex, vertexSource)),
+          fragmentShader(context.createShader(ShaderType::Fragment, fragmentSource)),
+          program(context.createProgram(vertexShader, fragmentShader)),
+          attributesState(Attributes::state(program)),
+          uniformsState((context.linkProgram(program), Uniforms::state(program))) {}
+
+    template <class DrawMode>
+    void draw(Context& context,
+              DrawMode drawMode,
+              DepthMode depthMode,
+              StencilMode stencilMode,
+              ColorMode colorMode,
+              UniformValues&& uniformValues,
+              const VertexBuffer<Vertex>& vertexBuffer,
+              const IndexBuffer<DrawMode>& indexBuffer,
+              const SegmentVector<Attributes>& segments) {
+        static_assert(std::is_same<Primitive, typename DrawMode::Primitive>::value, "incompatible draw mode");
+        context.draw({
+            std::move(drawMode),
+            std::move(depthMode),
+            std::move(stencilMode),
+            std::move(colorMode),
+            program,
+            vertexBuffer.buffer,
+            indexBuffer.buffer,
+            segments,
+            Uniforms::binder(uniformsState, std::move(uniformValues)),
+            Attributes::binder(attributesState)
+        });
+    }
+
+private:
+    UniqueShader vertexShader;
+    UniqueShader fragmentShader;
+    UniqueProgram program;
+
+    typename Attributes::State attributesState;
+    typename Uniforms::State uniformsState;
+};
+
+} // namespace gl
+} // namespace mbgl