fsCAxmolRenderTexture.h

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/********************************************************************
*
*    File:       fsCAxmolRenderTexture.h
*
*    Purpose:    axmol v3 derived class for render texture
*
*********************************************************************/
 
#ifndef fsCAxmolRenderTextureV3hdr
#define fsCAxmolRenderTextureV3hdr
 
#include <fsCore/fsBaseTypes.h>
#include <fsCore/fsPoint.h>
 
#include <optional>
 
#include <renderer/RenderTexture.h>
#include <renderer/RenderTexturePass.h>
 
class fsRect;
 
class fsCAxmolRenderTexture : public ax::RenderTexture
{
public:
 
        bool saveToFileAsJPG(std::string_view filename);
 
        void begin();
        void beginWithClear(float r, float g, float b, float a, float depth = 1.0f, unsigned int stencil = 0);
        void end();
 
        void partialEnd();
        // Resume an existing colour composition with a fresh depth/stencil layer.
        void partialBegin();
 
        void saveToFileWithResize(const std::string_view filename, const std::string_view mask_filename, SaveFileCallbackType callback = nullptr);
        void saveRegionToFile(const std::string_view filename, const fsRect& pCaptureRect, const fsPoint& pOutputDimensions, SaveFileCallbackType callback = nullptr);
 
        static fsCAxmolRenderTexture* create(int w, int h, ax::rhi::PixelFormat format, ax::rhi::PixelFormat depthStencilFormat, bool sharedRenderTarget);
        static fsCAxmolRenderTexture* create(int w, int h, ax::rhi::PixelFormat format, bool sharedRenderTarget);
        static fsCAxmolRenderTexture* create(int w, int h, bool sharedRenderTarget);
 
private:
 
        ax::RenderTexturePass* passEnsure();
        void onSaveToFileWithResize(const std::string_view filename, const std::string_view mask_filename);
        void onSaveRegionToFile(const std::string_view filename, const fsRect& pCaptureRect, const fsPoint& pOutputDimensions);
        ax::Viewport viewportGet() const;
 
        ax::RefPtr<ax::RenderTexturePass> mPass;
        std::optional<ax::Viewport> mSavedDefaultViewport;
        SaveFileCallbackType mSaveFileCallback = nullptr;
};
 
#endif