NazaraEngine/include/Nazara/Renderer/RenderTexture.hpp

70 lines
2.0 KiB
C++

// Copyright (C) 2013 Jérôme Leclercq
// This file is part of the "Nazara Engine - Renderer module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_RENDERTEXTURE_HPP
#define NAZARA_RENDERTEXTURE_HPP
#include <Nazara/Prerequesites.hpp>
#include <Nazara/Core/NonCopyable.hpp>
#include <Nazara/Core/ResourceListener.hpp>
#include <Nazara/Renderer/Config.hpp>
#include <Nazara/Renderer/RenderTarget.hpp>
#include <Nazara/Renderer/Texture.hpp>
///TODO: Faire fonctionner les RenderTexture indépendamment du contexte (un FBO par classe et par contexte l'utilisant)
struct NzRenderTextureImpl;
class NAZARA_API NzRenderTexture : public NzRenderTarget, NzResourceListener, NzNonCopyable
{
public:
NzRenderTexture() = default;
~NzRenderTexture();
bool AttachBuffer(nzAttachmentPoint attachmentPoint, nzUInt8 index, nzPixelFormat format, unsigned int width, unsigned int height);
bool AttachTexture(nzAttachmentPoint attachmentPoint, nzUInt8 index, NzTexture* texture, unsigned int z = 0);
bool Create(bool lock = false);
void Destroy();
void Detach(nzAttachmentPoint attachmentPoint, nzUInt8 index);
unsigned int GetHeight() const;
NzRenderTargetParameters GetParameters() const;
unsigned int GetWidth() const;
bool IsComplete() const;
bool IsRenderable() const;
bool IsValid() const;
bool Lock() const;
void SetColorTarget(nzUInt8 target);
void SetColorTargets(const nzUInt8* targets, unsigned int targetCount);
void SetColorTargets(const std::initializer_list<nzUInt8>& targets);
void Unlock() const;
// Fonctions OpenGL
bool HasContext() const;
static bool IsSupported();
protected:
bool Activate() const override;
void Desactivate() const override;
void EnsureTargetUpdated() const override;
private:
bool OnResourceDestroy(const NzResource* resource, int index) override;
void UpdateDrawBuffers() const;
void UpdateTargets() const;
NzRenderTextureImpl* m_impl = nullptr;
};
#endif // NAZARA_RENDERTEXTURE_HPP