[core] introduce CommandEncoder object

4 files changed, 41 insertions, 0 deletions

diff --git a/src/mbgl/gl/command_encoder.cpp b/src/mbgl/gl/command_encoder.cpp
new file mode 100644
index 0000000000..82046202bc
--- /dev/null
+++ b/src/mbgl/gl/command_encoder.cpp
@@ -0,0 +1,12 @@
+#include <mbgl/gl/command_encoder.hpp>
+#include <mbgl/gl/context.hpp>
+
+namespace mbgl {
+namespace gl {
+
+CommandEncoder::~CommandEncoder() {
+    context.performCleanup();
+}
+
+} // namespace gl
+} // namespace mbgl
diff --git a/src/mbgl/gl/command_encoder.hpp b/src/mbgl/gl/command_encoder.hpp
new file mode 100644
index 0000000000..0cfe80f433
--- /dev/null
+++ b/src/mbgl/gl/command_encoder.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <mbgl/gfx/command_encoder.hpp>
+
+namespace mbgl {
+namespace gl {
+
+class Context;
+
+class CommandEncoder : public gfx::CommandEncoder {
+public:
+    explicit CommandEncoder(gl::Context& context_) : context(context_) {
+    }
+
+    ~CommandEncoder() override;
+
+private:
+    gl::Context& context;
+};
+
+} // namespace gl
+} // namespace mbgl
diff --git a/src/mbgl/gl/context.cpp b/src/mbgl/gl/context.cpp
index fcaae59804..97c1cd24d7 100644
--- a/src/mbgl/gl/context.cpp
+++ b/src/mbgl/gl/context.cpp
@@ -6,6 +6,7 @@
 #include <mbgl/gl/renderbuffer_resource.hpp>
 #include <mbgl/gl/draw_scope_resource.hpp>
 #include <mbgl/gl/texture.hpp>
+#include <mbgl/gl/command_encoder.hpp>
 #include <mbgl/gl/debugging.hpp>
 #include <mbgl/gl/debugging_extension.hpp>
 #include <mbgl/gl/vertex_array_extension.hpp>
@@ -691,6 +692,10 @@ void Context::setColorMode(const gfx::ColorMode& color) {
     colorMask = color.mask;
 }
 
+std::unique_ptr<gfx::CommandEncoder> Context::createCommandEncoder() {
+    return std::make_unique<gl::CommandEncoder>(*this);
+}
+
 void Context::draw(const gfx::DrawMode& drawMode,
                    std::size_t indexOffset,
                    std::size_t indexLength) {
diff --git a/src/mbgl/gl/context.hpp b/src/mbgl/gl/context.hpp
index 74ea2c076e..d09bf7522e 100644
--- a/src/mbgl/gl/context.hpp
+++ b/src/mbgl/gl/context.hpp
@@ -214,6 +214,8 @@ private:
     VertexArray createVertexArray();
     bool supportsVertexArrays() const;
 
+    std::unique_ptr<gfx::CommandEncoder> createCommandEncoder() override;
+
     friend detail::ProgramDeleter;
     friend detail::ShaderDeleter;
     friend detail::BufferDeleter;