mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-19 20:24:49 +00:00
3aef90a6bc
GBitmap Changes: Added all other formats to gbitmap that we support gbitmap now supports cubemaps added converters for all these other formats added stb_image_resize for extrudemips so we can extrude mipmaps for all other formats GFXTextureManager Can now directly make cubemaps and texture arrays based on the GFXTextureProfile API implementations for all functions that cubemaps and arrays needed
102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _GFXGLTEXTURETARGET_H_
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#define _GFXGLTEXTURETARGET_H_
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#include "gfx/gfxTarget.h"
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#include "core/util/autoPtr.h"
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class GFXGLTextureObject;
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class _GFXGLTargetDesc;
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class _GFXGLTextureTargetImpl;
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/// Render to texture support for OpenGL.
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/// This class needs to make a number of assumptions due to the requirements
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/// and complexity of render to texture in OpenGL.
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/// 1) This class is only guaranteed to work with 2D textures or cubemaps. 3D textures
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/// may or may not work.
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/// 2) This class does not currently support multiple texture targets. Regardless
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/// of how many targets you bind, only Color0 will be used.
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/// 3) This class requires that the DepthStencil and Color0 targets have identical
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/// dimensions.
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/// 4) If the DepthStencil target is GFXTextureTarget::sDefaultStencil, then the
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/// Color0 target should be the same size as the current backbuffer and should also
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/// be the same format (typically R8G8B8A8)
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class GFXGLTextureTarget : public GFXTextureTarget
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{
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public:
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GFXGLTextureTarget(bool genMips);
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virtual ~GFXGLTextureTarget();
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const Point2I getSize() override;
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GFXFormat getFormat() override;
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void attachTexture(RenderSlot slot, GFXTextureObject* tex, U32 mipLevel = 0, U32 zOffset = 0, U32 face = 0) override;
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void attachTexture(RenderSlot slot, GFXCubemap* tex, U32 face, U32 mipLevel = 0) override;
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virtual void clearAttachments();
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/// Functions to query internal state
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/// @{
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/// Returns the internal structure for the given slot. This should only be called by our internal implementations.
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_GFXGLTargetDesc* getTargetDesc(RenderSlot slot) const;
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/// @}
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void deactivate() override;
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void zombify() override;
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void resurrect() override;
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const String describeSelf() const override;
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void resolve() override;
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void resolveTo(GFXTextureObject* obj) override;
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protected:
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friend class GFXGLDevice;
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/// The callback used to get texture events.
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/// @see GFXTextureManager::addEventDelegate
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void _onTextureEvent(GFXTexCallbackCode code);
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/// Pointer to our internal implementation
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AutoPtr<_GFXGLTextureTargetImpl> _impl;
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/// Array of _GFXGLTargetDesc's, an internal struct used to keep track of texture data.
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AutoPtr<_GFXGLTargetDesc> mTargets[MaxRenderSlotId];
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/// These redirect to our internal implementation
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/// @{
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void applyState();
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void makeActive();
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/// @}
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//copy FBO
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GLuint mCopyFboSrc, mCopyFboDst;
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};
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#endif
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