mirror of
https://github.com/minetest/irrlicht.git
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Merging r5975 through r6036 from trunk to ogl-es branch.
GLES drivers adapted, but only did make compile-tests. git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
647
source/Irrlicht/COpenGLCoreCacheHandler.h
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647
source/Irrlicht/COpenGLCoreCacheHandler.h
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@ -0,0 +1,647 @@
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// Copyright (C) 2015 Patryk Nadrowski
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_OGLCORE_CACHE_HANDLER_H_INCLUDED__
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#define __C_OGLCORE_CACHE_HANDLER_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#if defined(_IRR_COMPILE_WITH_OPENGL_) || defined(_IRR_COMPILE_WITH_OGLES1_) || defined(_IRR_COMPILE_WITH_OGLES2_)
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#include "SMaterial.h"
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#include "ITexture.h"
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namespace irr
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{
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namespace video
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{
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enum ESetTextureActive
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{
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EST_ACTIVE_ALWAYS, // texture unit always active after set call
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EST_ACTIVE_ON_CHANGE // texture unit only active after call when texture changed in cache
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};
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template <class TOpenGLDriver, class TOpenGLTexture>
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class COpenGLCoreCacheHandler
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{
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class STextureCache
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{
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public:
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STextureCache(COpenGLCoreCacheHandler& cacheHandler, E_DRIVER_TYPE driverType, u32 textureCount) :
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CacheHandler(cacheHandler), DriverType(driverType), TextureCount(textureCount)
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{
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for (u32 i = 0; i < MATERIAL_MAX_TEXTURES; ++i)
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{
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Texture[i] = 0;
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}
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}
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~STextureCache()
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{
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clear();
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}
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const TOpenGLTexture* operator[](int index) const
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{
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if (static_cast<u32>(index) < MATERIAL_MAX_TEXTURES)
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return Texture[static_cast<u32>(index)];
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return 0;
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}
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const TOpenGLTexture* get(u32 index) const
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{
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if (index < MATERIAL_MAX_TEXTURES)
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return Texture[index];
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return 0;
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}
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bool set(u32 index, const ITexture* texture, ESetTextureActive esa=EST_ACTIVE_ALWAYS)
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{
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bool status = false;
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E_DRIVER_TYPE type = DriverType;
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if (index < MATERIAL_MAX_TEXTURES && index < TextureCount)
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{
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if ( esa == EST_ACTIVE_ALWAYS )
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CacheHandler.setActiveTexture(GL_TEXTURE0 + index);
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const TOpenGLTexture* prevTexture = Texture[index];
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if (texture != prevTexture)
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{
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if ( esa == EST_ACTIVE_ON_CHANGE )
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CacheHandler.setActiveTexture(GL_TEXTURE0 + index);
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if (texture)
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{
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type = texture->getDriverType();
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if (type == DriverType)
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{
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texture->grab();
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const TOpenGLTexture* curTexture = static_cast<const TOpenGLTexture*>(texture);
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const GLenum curTextureType = curTexture->getOpenGLTextureType();
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const GLenum prevTextureType = (prevTexture) ? prevTexture->getOpenGLTextureType() : curTextureType;
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if (curTextureType != prevTextureType)
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{
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glBindTexture(prevTextureType, 0);
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#if ( defined(IRR_COMPILE_GL_COMMON) || defined(IRR_COMPILE_GLES_COMMON) )
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glDisable(prevTextureType);
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glEnable(curTextureType);
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#endif
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}
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#if ( defined(IRR_COMPILE_GL_COMMON) || defined(IRR_COMPILE_GLES_COMMON) )
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else if (!prevTexture)
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glEnable(curTextureType);
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#endif
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glBindTexture(curTextureType, static_cast<const TOpenGLTexture*>(texture)->getOpenGLTextureName());
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}
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else
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{
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texture = 0;
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os::Printer::log("Fatal Error: Tried to set a texture not owned by this driver.", ELL_ERROR);
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os::Printer::log("Texture type", irr::core::stringc((int)type), ELL_ERROR);
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os::Printer::log("Driver (or cache handler) type", irr::core::stringc((int)DriverType), ELL_ERROR);
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}
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}
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if (!texture && prevTexture)
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{
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const GLenum prevTextureType = prevTexture->getOpenGLTextureType();
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glBindTexture(prevTextureType, 0);
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#if ( defined(IRR_COMPILE_GL_COMMON) || defined(IRR_COMPILE_GLES_COMMON) )
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glDisable(prevTextureType);
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#endif
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}
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Texture[index] = static_cast<const TOpenGLTexture*>(texture);
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if (prevTexture)
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prevTexture->drop();
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}
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status = true;
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}
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return (status && type == DriverType);
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}
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void remove(ITexture* texture)
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{
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if (!texture)
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return;
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for (u32 i = 0; i < MATERIAL_MAX_TEXTURES; ++i)
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{
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if (Texture[i] == texture)
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{
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Texture[i] = 0;
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texture->drop();
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}
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}
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}
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void clear()
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{
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for (u32 i = 0; i < MATERIAL_MAX_TEXTURES; ++i)
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{
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if (Texture[i])
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{
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const TOpenGLTexture* prevTexture = Texture[i];
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Texture[i] = 0;
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prevTexture->drop();
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}
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}
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}
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private:
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COpenGLCoreCacheHandler& CacheHandler;
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E_DRIVER_TYPE DriverType;
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const TOpenGLTexture* Texture[MATERIAL_MAX_TEXTURES];
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u32 TextureCount;
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};
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public:
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COpenGLCoreCacheHandler(TOpenGLDriver* driver) :
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Driver(driver),
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#if defined(_MSC_VER)
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#pragma warning(push)
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#pragma warning(disable: 4355) // Warning: "'this' : used in base member initializer list. ". It's OK, we don't use the reference in STextureCache constructor.
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#endif
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TextureCache(STextureCache(*this, driver->getDriverType(), driver->getFeature().MaxTextureUnits)),
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#if defined(_MSC_VER)
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#pragma warning(pop)
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#endif
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FrameBufferCount(0), BlendEquation(0), BlendSourceRGB(0),
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BlendDestinationRGB(0), BlendSourceAlpha(0), BlendDestinationAlpha(0), Blend(0), BlendEquationInvalid(false), BlendFuncInvalid(false), BlendInvalid(false),
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ColorMask(0), ColorMaskInvalid(false), CullFaceMode(GL_BACK), CullFace(false), DepthFunc(GL_LESS), DepthMask(true), DepthTest(false), FrameBufferID(0),
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ProgramID(0), ActiveTexture(GL_TEXTURE0), ViewportX(0), ViewportY(0)
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{
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const COpenGLCoreFeature& feature = Driver->getFeature();
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FrameBufferCount = core::max_(static_cast<GLuint>(1), static_cast<GLuint>(feature.MultipleRenderTarget));
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BlendEquation = new GLenum[FrameBufferCount];
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BlendSourceRGB = new GLenum[FrameBufferCount];
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BlendDestinationRGB = new GLenum[FrameBufferCount];
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BlendSourceAlpha = new GLenum[FrameBufferCount];
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BlendDestinationAlpha = new GLenum[FrameBufferCount];
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Blend = new bool[FrameBufferCount];
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ColorMask = new u8[FrameBufferCount];
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// Initial OpenGL values from specification.
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if (feature.BlendOperation)
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{
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Driver->irrGlBlendEquation(GL_FUNC_ADD);
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}
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for (u32 i = 0; i < FrameBufferCount; ++i)
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{
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BlendEquation[i] = GL_FUNC_ADD;
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BlendSourceRGB[i] = GL_ONE;
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BlendDestinationRGB[i] = GL_ZERO;
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BlendSourceAlpha[i] = GL_ONE;
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BlendDestinationAlpha[i] = GL_ZERO;
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Blend[i] = false;
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ColorMask[i] = ECP_ALL;
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}
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glBlendFunc(GL_ONE, GL_ZERO);
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glDisable(GL_BLEND);
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glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
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glCullFace(CullFaceMode);
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glDisable(GL_CULL_FACE);
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glDepthFunc(DepthFunc);
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glDepthMask(GL_TRUE);
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glDisable(GL_DEPTH_TEST);
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Driver->irrGlActiveTexture(ActiveTexture);
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#if ( defined(IRR_COMPILE_GL_COMMON) || defined(IRR_COMPILE_GLES_COMMON) )
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glDisable(GL_TEXTURE_2D);
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#endif
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const core::dimension2d<u32> ScreenSize = Driver->getScreenSize();
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ViewportWidth = ScreenSize.Width;
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ViewportHeight = ScreenSize.Height;
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glViewport(ViewportX, ViewportY, ViewportWidth, ViewportHeight);
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}
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virtual ~COpenGLCoreCacheHandler()
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{
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delete[] BlendEquation;
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delete[] BlendSourceRGB;
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delete[] BlendDestinationRGB;
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delete[] BlendSourceAlpha;
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delete[] BlendDestinationAlpha;
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delete[] Blend;
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delete[] ColorMask;
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}
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E_DRIVER_TYPE getDriverType() const
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{
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return Driver->getDriverType();
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}
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STextureCache& getTextureCache()
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{
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return TextureCache;
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}
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// Blending calls.
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void setBlendEquation(GLenum mode)
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{
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if (BlendEquation[0] != mode || BlendEquationInvalid)
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{
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Driver->irrGlBlendEquation(mode);
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for (GLuint i = 0; i < FrameBufferCount; ++i)
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BlendEquation[i] = mode;
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BlendEquationInvalid = false;
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}
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}
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void setBlendEquationIndexed(GLuint index, GLenum mode)
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{
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if (index < FrameBufferCount && BlendEquation[index] != mode)
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{
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Driver->irrGlBlendEquationIndexed(index, mode);
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BlendEquation[index] = mode;
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BlendEquationInvalid = true;
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}
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}
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void setBlendFunc(GLenum source, GLenum destination)
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{
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if (BlendSourceRGB[0] != source || BlendDestinationRGB[0] != destination ||
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BlendSourceAlpha[0] != source || BlendDestinationAlpha[0] != destination ||
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BlendFuncInvalid)
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{
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glBlendFunc(source, destination);
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for (GLuint i = 0; i < FrameBufferCount; ++i)
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{
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BlendSourceRGB[i] = source;
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BlendDestinationRGB[i] = destination;
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BlendSourceAlpha[i] = source;
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BlendDestinationAlpha[i] = destination;
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}
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BlendFuncInvalid = false;
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}
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}
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void setBlendFuncSeparate(GLenum sourceRGB, GLenum destinationRGB, GLenum sourceAlpha, GLenum destinationAlpha)
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{
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if (sourceRGB != sourceAlpha || destinationRGB != destinationAlpha)
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{
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if (BlendSourceRGB[0] != sourceRGB || BlendDestinationRGB[0] != destinationRGB ||
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||||
BlendSourceAlpha[0] != sourceAlpha || BlendDestinationAlpha[0] != destinationAlpha ||
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BlendFuncInvalid)
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{
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Driver->irrGlBlendFuncSeparate(sourceRGB, destinationRGB, sourceAlpha, destinationAlpha);
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for (GLuint i = 0; i < FrameBufferCount; ++i)
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{
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BlendSourceRGB[i] = sourceRGB;
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BlendDestinationRGB[i] = destinationRGB;
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BlendSourceAlpha[i] = sourceAlpha;
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BlendDestinationAlpha[i] = destinationAlpha;
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}
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||||
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||||
BlendFuncInvalid = false;
|
||||
}
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||||
}
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else
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{
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setBlendFunc(sourceRGB, destinationRGB);
|
||||
}
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}
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void setBlendFuncIndexed(GLuint index, GLenum source, GLenum destination)
|
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{
|
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if (index < FrameBufferCount && (BlendSourceRGB[index] != source || BlendDestinationRGB[index] != destination ||
|
||||
BlendSourceAlpha[index] != source || BlendDestinationAlpha[index] != destination))
|
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{
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||||
Driver->irrGlBlendFuncIndexed(index, source, destination);
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||||
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BlendSourceRGB[index] = source;
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||||
BlendDestinationRGB[index] = destination;
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||||
BlendSourceAlpha[index] = source;
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||||
BlendDestinationAlpha[index] = destination;
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||||
BlendFuncInvalid = true;
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||||
}
|
||||
}
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||||
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void setBlendFuncSeparateIndexed(GLuint index, GLenum sourceRGB, GLenum destinationRGB, GLenum sourceAlpha, GLenum destinationAlpha)
|
||||
{
|
||||
if (sourceRGB != sourceAlpha || destinationRGB != destinationAlpha)
|
||||
{
|
||||
if (index < FrameBufferCount && (BlendSourceRGB[index] != sourceRGB || BlendDestinationRGB[index] != destinationRGB ||
|
||||
BlendSourceAlpha[index] != sourceAlpha || BlendDestinationAlpha[index] != destinationAlpha))
|
||||
{
|
||||
Driver->irrGlBlendFuncSeparateIndexed(index, sourceRGB, destinationRGB, sourceAlpha, destinationAlpha);
|
||||
|
||||
BlendSourceRGB[index] = sourceRGB;
|
||||
BlendDestinationRGB[index] = destinationRGB;
|
||||
BlendSourceAlpha[index] = sourceAlpha;
|
||||
BlendDestinationAlpha[index] = destinationAlpha;
|
||||
BlendFuncInvalid = true;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
setBlendFuncIndexed(index, sourceRGB, destinationRGB);
|
||||
}
|
||||
}
|
||||
|
||||
void setBlend(bool enable)
|
||||
{
|
||||
if (Blend[0] != enable || BlendInvalid)
|
||||
{
|
||||
if (enable)
|
||||
glEnable(GL_BLEND);
|
||||
else
|
||||
glDisable(GL_BLEND);
|
||||
|
||||
for (GLuint i = 0; i < FrameBufferCount; ++i)
|
||||
Blend[i] = enable;
|
||||
|
||||
BlendInvalid = false;
|
||||
}
|
||||
}
|
||||
|
||||
void setBlendIndexed(GLuint index, bool enable)
|
||||
{
|
||||
if (index < FrameBufferCount && Blend[index] != enable)
|
||||
{
|
||||
if (enable)
|
||||
Driver->irrGlEnableIndexed(GL_BLEND, index);
|
||||
else
|
||||
Driver->irrGlDisableIndexed(GL_BLEND, index);
|
||||
|
||||
Blend[index] = enable;
|
||||
BlendInvalid = true;
|
||||
}
|
||||
}
|
||||
|
||||
// Color Mask.
|
||||
|
||||
void getColorMask(u8& mask)
|
||||
{
|
||||
mask = ColorMask[0];
|
||||
}
|
||||
|
||||
void setColorMask(u8 mask)
|
||||
{
|
||||
if (ColorMask[0] != mask || ColorMaskInvalid)
|
||||
{
|
||||
glColorMask((mask & ECP_RED) ? GL_TRUE : GL_FALSE, (mask & ECP_GREEN) ? GL_TRUE : GL_FALSE, (mask & ECP_BLUE) ? GL_TRUE : GL_FALSE, (mask & ECP_ALPHA) ? GL_TRUE : GL_FALSE);
|
||||
|
||||
for (GLuint i = 0; i < FrameBufferCount; ++i)
|
||||
ColorMask[i] = mask;
|
||||
|
||||
ColorMaskInvalid = false;
|
||||
}
|
||||
}
|
||||
|
||||
void setColorMaskIndexed(GLuint index, u8 mask)
|
||||
{
|
||||
if (index < FrameBufferCount && ColorMask[index] != mask)
|
||||
{
|
||||
Driver->irrGlColorMaskIndexed(index, (mask & ECP_RED) ? GL_TRUE : GL_FALSE, (mask & ECP_GREEN) ? GL_TRUE : GL_FALSE, (mask & ECP_BLUE) ? GL_TRUE : GL_FALSE, (mask & ECP_ALPHA) ? GL_TRUE : GL_FALSE);
|
||||
|
||||
ColorMask[index] = mask;
|
||||
ColorMaskInvalid = true;
|
||||
}
|
||||
}
|
||||
|
||||
// Cull face calls.
|
||||
|
||||
void setCullFaceFunc(GLenum mode)
|
||||
{
|
||||
if (CullFaceMode != mode)
|
||||
{
|
||||
glCullFace(mode);
|
||||
CullFaceMode = mode;
|
||||
}
|
||||
}
|
||||
|
||||
void setCullFace(bool enable)
|
||||
{
|
||||
if (CullFace != enable)
|
||||
{
|
||||
if (enable)
|
||||
glEnable(GL_CULL_FACE);
|
||||
else
|
||||
glDisable(GL_CULL_FACE);
|
||||
|
||||
CullFace = enable;
|
||||
}
|
||||
}
|
||||
|
||||
// Depth calls.
|
||||
|
||||
void setDepthFunc(GLenum mode)
|
||||
{
|
||||
if (DepthFunc != mode)
|
||||
{
|
||||
glDepthFunc(mode);
|
||||
DepthFunc = mode;
|
||||
}
|
||||
}
|
||||
|
||||
void getDepthMask(bool& depth)
|
||||
{
|
||||
depth = DepthMask;
|
||||
}
|
||||
|
||||
void setDepthMask(bool enable)
|
||||
{
|
||||
if (DepthMask != enable)
|
||||
{
|
||||
if (enable)
|
||||
glDepthMask(GL_TRUE);
|
||||
else
|
||||
glDepthMask(GL_FALSE);
|
||||
|
||||
DepthMask = enable;
|
||||
}
|
||||
}
|
||||
|
||||
void getDepthTest(bool& enable)
|
||||
{
|
||||
enable = DepthTest;
|
||||
}
|
||||
|
||||
void setDepthTest(bool enable)
|
||||
{
|
||||
if (DepthTest != enable)
|
||||
{
|
||||
if (enable)
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
else
|
||||
glDisable(GL_DEPTH_TEST);
|
||||
|
||||
DepthTest = enable;
|
||||
}
|
||||
}
|
||||
|
||||
// FBO calls.
|
||||
|
||||
void getFBO(GLuint& frameBufferID) const
|
||||
{
|
||||
frameBufferID = FrameBufferID;
|
||||
}
|
||||
|
||||
void setFBO(GLuint frameBufferID)
|
||||
{
|
||||
if (FrameBufferID != frameBufferID)
|
||||
{
|
||||
Driver->irrGlBindFramebuffer(GL_FRAMEBUFFER, frameBufferID);
|
||||
FrameBufferID = frameBufferID;
|
||||
}
|
||||
}
|
||||
|
||||
// Shaders calls.
|
||||
|
||||
void getProgram(GLuint& programID) const
|
||||
{
|
||||
programID = ProgramID;
|
||||
}
|
||||
|
||||
void setProgram(GLuint programID)
|
||||
{
|
||||
if (ProgramID != programID)
|
||||
{
|
||||
Driver->irrGlUseProgram(programID);
|
||||
ProgramID = programID;
|
||||
}
|
||||
}
|
||||
|
||||
// Texture calls.
|
||||
|
||||
void getActiveTexture(GLenum& texture) const
|
||||
{
|
||||
texture = ActiveTexture;
|
||||
}
|
||||
|
||||
void setActiveTexture(GLenum texture)
|
||||
{
|
||||
if (ActiveTexture != texture)
|
||||
{
|
||||
Driver->irrGlActiveTexture(texture);
|
||||
ActiveTexture = texture;
|
||||
}
|
||||
}
|
||||
|
||||
// Viewport calls.
|
||||
|
||||
void getViewport(GLint& viewportX, GLint& viewportY, GLsizei& viewportWidth, GLsizei& viewportHeight) const
|
||||
{
|
||||
viewportX = ViewportX;
|
||||
viewportY = ViewportY;
|
||||
viewportWidth = ViewportWidth;
|
||||
viewportHeight = ViewportHeight;
|
||||
}
|
||||
|
||||
void setViewport(GLint viewportX, GLint viewportY, GLsizei viewportWidth, GLsizei viewportHeight)
|
||||
{
|
||||
if (ViewportX != viewportX || ViewportY != viewportY || ViewportWidth != viewportWidth || ViewportHeight != viewportHeight)
|
||||
{
|
||||
glViewport(viewportX, viewportY, viewportWidth, viewportHeight);
|
||||
ViewportX = viewportX;
|
||||
ViewportY = viewportY;
|
||||
ViewportWidth = viewportWidth;
|
||||
ViewportHeight = viewportHeight;
|
||||
}
|
||||
}
|
||||
|
||||
//! Compare material to current cache and update it when there are differences
|
||||
// Some material renderers do change the cache beyond the original material settings
|
||||
// This corrects the material to represent the current cache state again.
|
||||
void correctCacheMaterial(irr::video::SMaterial& material)
|
||||
{
|
||||
// Fix textures which got removed
|
||||
for ( u32 i=0; i < MATERIAL_MAX_TEXTURES; ++i )
|
||||
{
|
||||
if ( material.TextureLayer[i].Texture && !TextureCache[i] )
|
||||
{
|
||||
material.TextureLayer[i].Texture = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
protected:
|
||||
TOpenGLDriver* Driver;
|
||||
|
||||
STextureCache TextureCache;
|
||||
|
||||
GLuint FrameBufferCount;
|
||||
|
||||
GLenum* BlendEquation;
|
||||
GLenum* BlendSourceRGB;
|
||||
GLenum* BlendDestinationRGB;
|
||||
GLenum* BlendSourceAlpha;
|
||||
GLenum* BlendDestinationAlpha;
|
||||
bool* Blend;
|
||||
bool BlendEquationInvalid;
|
||||
bool BlendFuncInvalid;
|
||||
bool BlendInvalid;
|
||||
|
||||
|
||||
u8* ColorMask;
|
||||
bool ColorMaskInvalid;
|
||||
|
||||
GLenum CullFaceMode;
|
||||
bool CullFace;
|
||||
|
||||
GLenum DepthFunc;
|
||||
bool DepthMask;
|
||||
bool DepthTest;
|
||||
|
||||
GLuint FrameBufferID;
|
||||
|
||||
GLuint ProgramID;
|
||||
|
||||
GLenum ActiveTexture;
|
||||
|
||||
GLint ViewportX;
|
||||
GLint ViewportY;
|
||||
GLsizei ViewportWidth;
|
||||
GLsizei ViewportHeight;
|
||||
};
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
#endif
|
||||
Reference in New Issue
Block a user