libRocketKGERenderer.h

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#pragma once

#include <Rocket/Core/RenderInterface.h>
#include "../kgedef.h"
#include "../gfx/Shader.h"

namespace kge
{
        namespace gfx
        {
                class Material;
                class VertexDec;
                class Texture;
        }
        class KGELIB_API libRocketKGERenderer: public Rocket::Core::RenderInterface
        {
        public:

                libRocketKGERenderer();

                ~libRocketKGERenderer();

                virtual void RenderGeometry(Rocket::Core::Vertex* vertices, int num_vertices, int* indices, int num_indices, Rocket::Core::TextureHandle texture, const Rocket::Core::Vector2f& translation);

                virtual Rocket::Core::CompiledGeometryHandle CompileGeometry(Rocket::Core::Vertex* vertices, int num_vertices, int* indices, int num_indices, Rocket::Core::TextureHandle texture);

                virtual void RenderCompiledGeometry(Rocket::Core::CompiledGeometryHandle geometry, const Rocket::Core::Vector2f& translation);

                virtual void ReleaseCompiledGeometry(Rocket::Core::CompiledGeometryHandle geometry);

                virtual void EnableScissorRegion(bool enable);

                virtual void SetScissorRegion(int x, int y, int width, int height);

                virtual bool LoadTexture(Rocket::Core::TextureHandle& texture_handle, Rocket::Core::Vector2i& texture_dimensions, const Rocket::Core::String& source);

                virtual bool GenerateTexture(Rocket::Core::TextureHandle& texture_handle, const u8* source, const Rocket::Core::Vector2i& source_dimensions);

                virtual void ReleaseTexture(Rocket::Core::TextureHandle texture_handle);

                float GetHorizontalTexelOffset();
 
                float GetVerticalTexelOffset();

        protected:

                gfx::VertexDec          *       m_pVD;
                gfx::Material           *       m_pMat;
                gfx::ShaderHandle               m_VshWVP;
                gfx::Texture            *       m_pWhiteTexture;

        }; // libRocketKGERenderer

} // kge