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#pragma once
#include "drape/drape_global.hpp"
namespace dp
{
enum ClearBits: uint32_t
{
ColorBit = 1,
DepthBit = 1 << 1,
StencilBit = 1 << 2
};
enum class TestFunction : uint8_t
{
Never,
Less,
Equal,
LessOrEqual,
Greater,
NotEqual,
GreaterOrEqual,
Always
};
enum class StencilFace : uint8_t
{
Front,
Back,
FrontAndBack
};
enum class StencilAction : uint8_t
{
Keep,
Zero,
Replace,
Increment,
IncrementWrap,
Decrement,
DecrementWrap,
Invert
};
class GraphicsContext
{
public:
virtual ~GraphicsContext() = default;
virtual void Present() = 0;
virtual void MakeCurrent() = 0;
virtual void DoneCurrent() {}
virtual void SetDefaultFramebuffer() = 0;
// w, h - pixel size of render target (logical size * visual scale).
virtual void Resize(int /*w*/, int /*h*/) {}
virtual void SetRenderingEnabled(bool /*enabled*/) {}
virtual void SetPresentAvailable(bool /*available*/) {}
virtual bool Validate() { return true; }
virtual void Init(ApiVersion apiVersion) = 0;
virtual void SetClearColor(Color const & color) = 0;
virtual void Clear(uint32_t clearBits) = 0;
virtual void Flush() = 0;
virtual void SetDepthTestEnabled(bool enabled) = 0;
virtual void SetDepthTestFunction(TestFunction depthFunction) = 0;
virtual void SetStencilTestEnabled(bool enabled) = 0;
virtual void SetStencilFunction(StencilFace face, TestFunction stencilFunction) = 0;
virtual void SetStencilActions(StencilFace face, StencilAction stencilFailAction, StencilAction depthFailAction,
StencilAction passAction) = 0;
};
} // namespace dp
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