[core] add gfx::UploadPass, split startRender into prepare and upload

1 files changed, 42 insertions, 0 deletions

diff --git a/src/mbgl/gl/upload_pass.hpp b/src/mbgl/gl/upload_pass.hpp
new file mode 100644
index 0000000000..8b4f71b88d
--- /dev/null
+++ b/src/mbgl/gl/upload_pass.hpp
@@ -0,0 +1,42 @@
+#pragma once
+
+#include <mbgl/gfx/upload_pass.hpp>
+
+namespace mbgl {
+namespace gfx {
+
+class CommandEncoder;
+
+} // namespace gfx
+
+namespace gl {
+
+class CommandEncoder;
+class Context;
+
+class UploadPass final : public gfx::UploadPass {
+public:
+    UploadPass(gl::CommandEncoder&, const char* name);
+
+private:
+    void pushDebugGroup(const char* name) override;
+    void popDebugGroup() override;
+
+public:
+    std::unique_ptr<gfx::VertexBufferResource> createVertexBufferResource(const void* data, std::size_t size, const gfx::BufferUsageType) override;
+    void updateVertexBufferResource(gfx::VertexBufferResource&, const void* data, std::size_t size) override;
+    std::unique_ptr<gfx::IndexBufferResource> createIndexBufferResource(const void* data, std::size_t size, const gfx::BufferUsageType) override;
+    void updateIndexBufferResource(gfx::IndexBufferResource&, const void* data, std::size_t size) override;
+
+public:
+    std::unique_ptr<gfx::TextureResource> createTextureResource(Size, const void* data, gfx::TexturePixelType, gfx::TextureChannelDataType) override;
+    void updateTextureResource(gfx::TextureResource&, Size, const void* data, gfx::TexturePixelType, gfx::TextureChannelDataType) override;
+    void updateTextureResourceSub(gfx::TextureResource&, const uint16_t xOffset, const uint16_t yOffset, Size, const void* data, gfx::TexturePixelType, gfx::TextureChannelDataType) override;
+
+private:
+    gl::CommandEncoder& commandEncoder;
+    const gfx::DebugGroup<gfx::CommandEncoder> debugGroup;
+};
+
+} // namespace gl
+} // namespace mbgl