76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file rocketRenderInterface.h
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* @author rdb
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* @date 2011-11-04
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*/
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#ifndef ROCKET_RENDER_INTERFACE_H
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#define ROCKET_RENDER_INTERFACE_H
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#include "config_rocket.h"
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#include "cullTraverser.h"
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#include "cullTraverserData.h"
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#include "geom.h"
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#include "renderState.h"
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#include "transformState.h"
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#include <Rocket/Core/RenderInterface.h>
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/**
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* Class that provides the main render interface for libRocket integration.
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*/
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class RocketRenderInterface : public Rocket::Core::RenderInterface {
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public:
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void render(Rocket::Core::Context* context, CullTraverser *trav);
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protected:
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struct CompiledGeometry {
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CPT(Geom) _geom;
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CPT(RenderState) _state;
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};
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PT(Geom) make_geom(Rocket::Core::Vertex* vertices,
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int num_vertices, int* indices, int num_indices,
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GeomEnums::UsageHint uh, const LVecBase2 &tex_scale);
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void render_geom(const Geom* geom, const RenderState* state, const Rocket::Core::Vector2f& translation);
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void RenderGeometry(Rocket::Core::Vertex* vertices, int num_vertices, int* indices, int num_indices, Rocket::Core::TextureHandle texture, const Rocket::Core::Vector2f& translation);
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Rocket::Core::CompiledGeometryHandle CompileGeometry(Rocket::Core::Vertex* vertices, int num_vertices, int* indices, int num_indices, Rocket::Core::TextureHandle texture);
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void RenderCompiledGeometry(Rocket::Core::CompiledGeometryHandle geometry, const Rocket::Core::Vector2f& translation);
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void ReleaseCompiledGeometry(Rocket::Core::CompiledGeometryHandle geometry);
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bool LoadTexture(Rocket::Core::TextureHandle& texture_handle,
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Rocket::Core::Vector2i& texture_dimensions,
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const Rocket::Core::String& source);
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bool GenerateTexture(Rocket::Core::TextureHandle& texture_handle,
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const Rocket::Core::byte* source,
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const Rocket::Core::Vector2i& source_dimensions);
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void ReleaseTexture(Rocket::Core::TextureHandle texture_handle);
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void EnableScissorRegion(bool enable);
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void SetScissorRegion(int x, int y, int width, int height);
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private:
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Mutex _lock;
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// Hold the scissor settings and whether or not to enable scissoring.
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bool _enable_scissor;
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LVecBase4 _scissor;
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// These are temporarily filled in by render().
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CullTraverser *_trav;
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CPT(TransformState) _net_transform;
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CPT(RenderState) _net_state;
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Rocket::Core::Vector2i _dimensions;
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};
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#endif
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