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84 lines
1.8 KiB
C++
84 lines
1.8 KiB
C++
#ifndef OPENMW_COMPONENTS_FX_PASS_H
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#define OPENMW_COMPONENTS_FX_PASS_H
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#include <array>
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#include <optional>
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#include <string>
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#include <string_view>
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#include <unordered_set>
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#include <osg/BlendEquation>
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#include <osg/BlendFunc>
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#include <osg/Shader>
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#include <osg/Vec4f>
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#include <osg/ref_ptr>
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namespace osg
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{
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class StateSet;
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}
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namespace fx
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{
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class Technique;
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class Pass
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{
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public:
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enum class Order
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{
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Forward,
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Post
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};
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enum class Type
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{
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None,
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Pixel,
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Compute
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};
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friend class Technique;
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Pass(Type type = Type::Pixel, Order order = Order::Post, bool ubo = false);
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void compile(Technique& technique, std::string_view preamble);
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std::string getTarget() const { return mTarget; }
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const std::array<std::string, 3>& getRenderTargets() const { return mRenderTargets; }
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void prepareStateSet(osg::StateSet* stateSet, const std::string& name) const;
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std::string getName() const { return mName; }
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void dirty();
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private:
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std::string getPassHeader(Technique& technique, std::string_view preamble, bool fragOut = false);
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bool mCompiled;
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osg::ref_ptr<osg::Shader> mVertex;
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osg::ref_ptr<osg::Shader> mFragment;
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osg::ref_ptr<osg::Shader> mCompute;
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Type mType;
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Order mOrder;
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std::string mName;
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bool mLegacyGLSL;
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bool mUBO;
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std::array<std::string, 3> mRenderTargets;
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std::string mTarget;
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std::optional<osg::Vec4f> mClearColor;
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std::optional<osg::BlendFunc::BlendFuncMode> mBlendSource;
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std::optional<osg::BlendFunc::BlendFuncMode> mBlendDest;
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std::optional<osg::BlendEquation::Equation> mBlendEq;
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};
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}
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#endif
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