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C++ PixelBox::getConsecutiveSize方法代码示例

本文整理汇总了C++中PixelBox::getConsecutiveSize方法的典型用法代码示例。如果您正苦于以下问题：C++ PixelBox::getConsecutiveSize方法的具体用法？C++ PixelBox::getConsecutiveSize怎么用？C++ PixelBox::getConsecutiveSize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PixelBox的用法示例。


在下文中一共展示了PixelBox::getConsecutiveSize方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: scale

    //-----------------------------------------------------------------------
    void Image::scale(const PixelBox &src, const PixelBox &scaled, Filter filter) 
    {
        assert(PixelUtil::isAccessible(src.format));
        assert(PixelUtil::isAccessible(scaled.format));
        MemoryDataStreamPtr buf; // For auto-delete
        PixelBox temp;
        switch (filter) 
        {
        default:
        case FILTER_NEAREST:
            if(src.format == scaled.format) 
            {
                // No intermediate buffer needed
                temp = scaled;
            }
            else
            {
                // Allocate temporary buffer of destination size in source format 
                temp = PixelBox(scaled.getWidth(), scaled.getHeight(), scaled.getDepth(), src.format);
                buf.bind(OGRE_NEW MemoryDataStream(temp.getConsecutiveSize()));
                temp.data = buf->getPtr();
            }
            // super-optimized: no conversion
            switch (PixelUtil::getNumElemBytes(src.format)) 
            {
            case 1: NearestResampler<1>::scale(src, temp); break;
            case 2: NearestResampler<2>::scale(src, temp); break;
            case 3: NearestResampler<3>::scale(src, temp); break;
            case 4: NearestResampler<4>::scale(src, temp); break;
            case 6: NearestResampler<6>::scale(src, temp); break;
            case 8: NearestResampler<8>::scale(src, temp); break;
            case 12: NearestResampler<12>::scale(src, temp); break;
            case 16: NearestResampler<16>::scale(src, temp); break;
            default:
                // never reached
                assert(false);
            }
            if(temp.data != scaled.data)
            {
                // Blit temp buffer
                PixelUtil::bulkPixelConversion(temp, scaled);
            }
            break;

        case FILTER_LINEAR:
        case FILTER_BILINEAR:
            switch (src.format) 
            {
            case PF_L8: case PF_A8: case PF_BYTE_LA:
            case PF_R8G8B8: case PF_B8G8R8:
            case PF_R8G8B8A8: case PF_B8G8R8A8:
            case PF_A8B8G8R8: case PF_A8R8G8B8:
            case PF_X8B8G8R8: case PF_X8R8G8B8:
                if(src.format == scaled.format) 
                {
                    // No intermediate buffer needed
                    temp = scaled;
                }
                else
                {
                    // Allocate temp buffer of destination size in source format 
                    temp = PixelBox(scaled.getWidth(), scaled.getHeight(), scaled.getDepth(), src.format);
                    buf.bind(OGRE_NEW MemoryDataStream(temp.getConsecutiveSize()));
                    temp.data = buf->getPtr();
                }
                // super-optimized: byte-oriented math, no conversion
                switch (PixelUtil::getNumElemBytes(src.format)) 
                {
                case 1: LinearResampler_Byte<1>::scale(src, temp); break;
                case 2: LinearResampler_Byte<2>::scale(src, temp); break;
                case 3: LinearResampler_Byte<3>::scale(src, temp); break;
                case 4: LinearResampler_Byte<4>::scale(src, temp); break;
                default:
                    // never reached
                    assert(false);
                }
                if(temp.data != scaled.data)
                {
                    // Blit temp buffer
                    PixelUtil::bulkPixelConversion(temp, scaled);
                }
                break;
            case PF_FLOAT32_RGB:
            case PF_FLOAT32_RGBA:
                if (scaled.format == PF_FLOAT32_RGB || scaled.format == PF_FLOAT32_RGBA)
                {
                    // float32 to float32, avoid unpack/repack overhead
                    LinearResampler_Float32::scale(src, scaled);
                    break;
                }
                // else, fall through
            default:
                // non-optimized: floating-point math, performs conversion but always works
                LinearResampler::scale(src, scaled);
            }
            break;
        }
    }
开发者ID:ballisticwhisper，项目名称:ogre，代码行数:99，代码来源:OgreImage.cpp

示例2: upload

    void GLESTextureBuffer::upload(const PixelBox &data, const Image::Box &dest)
    {
        glBindTexture(mTarget, mTextureID);
        GL_CHECK_ERROR;

        if (PixelUtil::isCompressed(data.format))
        {
            if(data.format != mFormat || !data.isConsecutive())
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Compressed images must be consecutive, in the source format",
                            "GLESTextureBuffer::upload");

            GLenum format = GLESPixelUtil::getClosestGLInternalFormat(mFormat);
            // Data must be consecutive and at beginning of buffer as PixelStorei not allowed
            // for compressed formats
            if (dest.left == 0 && dest.top == 0)
            {
                glCompressedTexImage2D(mFaceTarget, mLevel,
                                       format,
                                       dest.getWidth(),
                                       dest.getHeight(),
                                       0,
                                       data.getConsecutiveSize(),
                                       data.data);
                GL_CHECK_ERROR;
            }
            else
            {
                glCompressedTexSubImage2D(mFaceTarget, mLevel,
                                          dest.left, dest.top,
                                          dest.getWidth(), dest.getHeight(),
                                          format, data.getConsecutiveSize(),
                                          data.data);

                GL_CHECK_ERROR;
            }
        }
        else if (mSoftwareMipmap)
        {
            if (data.getWidth() != data.rowPitch)
            {
                // TODO
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLESTextureBuffer::upload");
            }

            if (data.getHeight() * data.getWidth() != data.slicePitch)
            {
                // TODO
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLESTextureBuffer::upload");
            }

            glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
            GL_CHECK_ERROR;
            buildMipmaps(data);
        }
        else
        {
            if(data.getWidth() != data.rowPitch)
            {
                // TODO
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLESTextureBuffer::upload");
            }

            if(data.getHeight()*data.getWidth() != data.slicePitch)
            {
                // TODO
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLESTextureBuffer::upload");
            }

            if ((data.getWidth() * PixelUtil::getNumElemBytes(data.format)) & 3) {
                // Standard alignment of 4 is not right
                glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
                GL_CHECK_ERROR;
            }

//            LogManager::getSingleton().logMessage("GLESTextureBuffer::upload - ID: " + StringConverter::toString(mTextureID) +
//                                                  " Format: " + PixelUtil::getFormatName(data.format) +
//                                                  " Origin format: " + StringConverter::toString(GLESPixelUtil::getGLOriginFormat(data.format, 0, ' ', std::ios::hex)) +
//                                                  " Data type: " + StringConverter::toString(GLESPixelUtil::getGLOriginDataType(data.format, 0, ' ', std::ios::hex))
//                                                  );
            glTexSubImage2D(mFaceTarget,
                            mLevel,
                            dest.left, dest.top,
                            dest.getWidth(), dest.getHeight(),
                            GLESPixelUtil::getGLOriginFormat(data.format),
                            GLESPixelUtil::getGLOriginDataType(data.format),
                            data.data);
            GL_CHECK_ERROR;
        }

        glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
        GL_CHECK_ERROR;
//.........这里部分代码省略.........
开发者ID:LiberatorUSA，项目名称:GUCEF，代码行数:101，代码来源:OgreGLESHardwarePixelBuffer.cpp

示例3: _loadImages


//.........这里部分代码省略.........
			multiImage = true;
		}
		else
		{
			faces = images[0]->getNumFaces();
			multiImage = false;
		}
		
		// Check wether number of faces in images exceeds number of faces
		// in this texture. If so, clamp it.
		if(faces > getNumFaces())
			faces = getNumFaces();
		
        if (TextureManager::getSingleton().getVerbose()) {
            // Say what we're doing
            StringUtil::StrStreamType str;
            str << "Texture: " << mName << ": Loading " << faces << " faces"
                << "(" << PixelUtil::getFormatName(images[0]->getFormat()) << "," <<
                images[0]->getWidth() << "x" << images[0]->getHeight() << "x" << images[0]->getDepth() <<
                ") with ";
            if (!(mMipmapsHardwareGenerated && mNumMipmaps == 0))
                str << mNumMipmaps;
            if(mUsage & TU_AUTOMIPMAP)
            {
                if (mMipmapsHardwareGenerated)
                    str << " hardware";

                str << " generated mipmaps";
            }
            else
            {
                str << " custom mipmaps";
            }
            if(multiImage)
                str << " from multiple Images.";
            else
                str << " from Image.";
            // Scoped
            {
                // Print data about first destination surface
                HardwarePixelBufferSharedPtr buf = getBuffer(0, 0); 
                str << " Internal format is " << PixelUtil::getFormatName(buf->getFormat()) << 
                "," << buf->getWidth() << "x" << buf->getHeight() << "x" << buf->getDepth() << ".";
            }
            LogManager::getSingleton().logMessage( 
                    LML_NORMAL, str.str());
        }
		
		// Main loading loop
        // imageMips == 0 if the image has no custom mipmaps, otherwise contains the number of custom mips
        for(size_t mip = 0; mip<=imageMips; ++mip)
        {
            for(size_t i = 0; i < faces; ++i)
            {
                PixelBox src;
                if(multiImage)
                {
                    // Load from multiple images
                    src = images[i]->getPixelBox(0, mip);
                }
                else
                {
                    // Load from faces of images[0]
                    src = images[0]->getPixelBox(i, mip);
                }
    
                // Sets to treated format in case is difference
                src.format = mSrcFormat;

                if(mGamma != 1.0f) {
                    // Apply gamma correction
                    // Do not overwrite original image but do gamma correction in temporary buffer
                    MemoryDataStreamPtr buf; // for scoped deletion of conversion buffer
                    buf.bind(OGRE_NEW MemoryDataStream(
                        PixelUtil::getMemorySize(
                            src.getWidth(), src.getHeight(), src.getDepth(), src.format)));
                    
                    PixelBox corrected = PixelBox(src.getWidth(), src.getHeight(), src.getDepth(), src.format, buf->getPtr());
                    PixelUtil::bulkPixelConversion(src, corrected);
                    
                    Image::applyGamma(static_cast<uint8*>(corrected.data), mGamma, corrected.getConsecutiveSize(), 
                        static_cast<uchar>(PixelUtil::getNumElemBits(src.format)));
    
                    // Destination: entire texture. blitFromMemory does the scaling to
                    // a power of two for us when needed
                    getBuffer(i, mip)->blitFromMemory(corrected);
                }
                else 
                {
                    // Destination: entire texture. blitFromMemory does the scaling to
                    // a power of two for us when needed
                    getBuffer(i, mip)->blitFromMemory(src);
                }
                
            }
        }
        // Update size (the final size, not including temp space)
        mSize = getNumFaces() * PixelUtil::getMemorySize(mWidth, mHeight, mDepth, mFormat);

    }
开发者ID:masonh，项目名称:marblemax，代码行数:101，代码来源:OgreTexture.cpp

示例4: scale

	//-----------------------------------------------------------------------
	void Image::scale(const PixelBox &src, const PixelBox &scaled, Filter filter) 
	{
		assert(PixelUtil::isAccessible(src.format));
		assert(PixelUtil::isAccessible(scaled.format));
#ifdef NEWSCALING		
		MemoryDataStreamPtr buf; // For auto-delete
		PixelBox temp;
		switch (filter) {
		case FILTER_NEAREST:
			if(src.format == scaled.format) {
				// No intermediate buffer needed
				temp = scaled;
			}
			else
			{
				// Allocate temporary buffer of destination size in source format 
				temp = PixelBox(scaled.getWidth(), scaled.getHeight(), scaled.getDepth(), src.format);
				buf.bind(new MemoryDataStream(temp.getConsecutiveSize()));
				temp.data = buf->getPtr();
			}
			// super-optimized: no conversion
			switch (PixelUtil::getNumElemBytes(src.format)) {
			case 1: NearestResampler<1>::scale(src, temp); break;
			case 2: NearestResampler<2>::scale(src, temp); break;
			case 3: NearestResampler<3>::scale(src, temp); break;
			case 4: NearestResampler<4>::scale(src, temp); break;
			case 6: NearestResampler<6>::scale(src, temp); break;
			case 8: NearestResampler<8>::scale(src, temp); break;
			case 12: NearestResampler<12>::scale(src, temp); break;
			case 16: NearestResampler<16>::scale(src, temp); break;
			default:
				// never reached
				assert(false);
			}
			if(temp.data != scaled.data)
			{
				// Blit temp buffer
				PixelUtil::bulkPixelConversion(temp, scaled);
			}
			break;

		case FILTER_LINEAR:
		case FILTER_BILINEAR:
			switch (src.format) {
			case PF_L8: case PF_A8: case PF_BYTE_LA:
			case PF_R8G8B8: case PF_B8G8R8:
			case PF_R8G8B8A8: case PF_B8G8R8A8:
			case PF_A8B8G8R8: case PF_A8R8G8B8:
			case PF_X8B8G8R8: case PF_X8R8G8B8:
				if(src.format == scaled.format) {
					// No intermediate buffer needed
					temp = scaled;
				}
				else
				{
					// Allocate temp buffer of destination size in source format 
					temp = PixelBox(scaled.getWidth(), scaled.getHeight(), scaled.getDepth(), src.format);
					buf.bind(new MemoryDataStream(temp.getConsecutiveSize()));
					temp.data = buf->getPtr();
				}
				// super-optimized: byte-oriented math, no conversion
				switch (PixelUtil::getNumElemBytes(src.format)) {
				case 1: LinearResampler_Byte<1>::scale(src, temp); break;
				case 2: LinearResampler_Byte<2>::scale(src, temp); break;
				case 3: LinearResampler_Byte<3>::scale(src, temp); break;
				case 4: LinearResampler_Byte<4>::scale(src, temp); break;
				default:
					// never reached
					assert(false);
				}
				if(temp.data != scaled.data)
				{
					// Blit temp buffer
					PixelUtil::bulkPixelConversion(temp, scaled);
				}
				break;
			case PF_FLOAT32_RGB:
			case PF_FLOAT32_RGBA:
				if (scaled.format == PF_FLOAT32_RGB || scaled.format == PF_FLOAT32_RGBA)
				{
					// float32 to float32, avoid unpack/repack overhead
					LinearResampler_Float32::scale(src, scaled);
					break;
				}
				// else, fall through
			default:
				// non-optimized: floating-point math, performs conversion but always works
				LinearResampler::scale(src, scaled);
			}
			break;
		default:
			// fall back to old, slow, wildly incorrect DevIL code
#endif
#if OGRE_NO_DEVIL == 0
			ILuint ImageName;
			ilGenImages( 1, &ImageName );
			ilBindImage( ImageName );

			// Convert image from OGRE to current IL image
//.........这里部分代码省略.........
开发者ID:brock7，项目名称:TianLong，代码行数:101，代码来源:OgreImage.cpp

示例5: if

    void GLES2TextureBuffer::upload(const PixelBox &data, const Image::Box &dest)
    {
        OGRE_CHECK_GL_ERROR(glBindTexture(mTarget, mTextureID));

        if (PixelUtil::isCompressed(data.format))
        {
            if(data.format != mFormat || !data.isConsecutive())
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Compressed images must be consecutive, in the source format",
                            "GLES2TextureBuffer::upload");

            GLenum format = GLES2PixelUtil::getClosestGLInternalFormat(mFormat);
            // Data must be consecutive and at beginning of buffer as PixelStorei not allowed
            // for compressed formats
            if (dest.left == 0 && dest.top == 0)
            {
                OGRE_CHECK_GL_ERROR(glCompressedTexImage2D(mFaceTarget, mLevel,
                                       format,
                                       dest.getWidth(),
                                       dest.getHeight(),
                                       0,
                                       data.getConsecutiveSize(),
                                       data.data));
            }
            else
            {
                OGRE_CHECK_GL_ERROR(glCompressedTexSubImage2D(mFaceTarget, mLevel,
                                          dest.left, dest.top,
                                          dest.getWidth(), dest.getHeight(),
                                          format, data.getConsecutiveSize(),
                                          data.data));
            }
        }
        else if (mSoftwareMipmap)
        {
            if (data.getWidth() != data.rowPitch)
            {
#if OGRE_NO_GLES3_SUPPORT == 0
                OGRE_CHECK_GL_ERROR(glPixelStorei(GL_UNPACK_ROW_LENGTH, data.rowPitch));
#else
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLES2TextureBuffer::upload");
#endif
            }

            if (data.getHeight() * data.getWidth() != data.slicePitch)
            {
#if OGRE_NO_GLES3_SUPPORT == 0
                OGRE_CHECK_GL_ERROR(glPixelStorei(GL_UNPACK_IMAGE_HEIGHT, (data.slicePitch/data.getWidth())));
#else
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLES2TextureBuffer::upload");
#endif
            }

#if OGRE_NO_GLES3_SUPPORT == 0
            if(data.left > 0 || data.top > 0 || data.front > 0)
                OGRE_CHECK_GL_ERROR(glPixelStorei(GL_UNPACK_SKIP_PIXELS, data.left + data.rowPitch * data.top + data.slicePitch * data.front));
#endif
            OGRE_CHECK_GL_ERROR(glPixelStorei(GL_UNPACK_ALIGNMENT, 1));
            buildMipmaps(data);
        }
        else
        {
            if (data.getWidth() != data.rowPitch)
            {
#if OGRE_NO_GLES3_SUPPORT == 0
                OGRE_CHECK_GL_ERROR(glPixelStorei(GL_UNPACK_ROW_LENGTH, data.rowPitch));
#else
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLES2TextureBuffer::upload");
#endif
            }

            if (data.getHeight() * data.getWidth() != data.slicePitch)
            {
#if OGRE_NO_GLES3_SUPPORT == 0
                OGRE_CHECK_GL_ERROR(glPixelStorei(GL_UNPACK_IMAGE_HEIGHT, (data.slicePitch/data.getWidth())));
#else
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLES2TextureBuffer::upload");
#endif
            }

#if OGRE_NO_GLES3_SUPPORT == 0
            if(data.left > 0 || data.top > 0 || data.front > 0)
                OGRE_CHECK_GL_ERROR(glPixelStorei(GL_UNPACK_SKIP_PIXELS, data.left + data.rowPitch * data.top + data.slicePitch * data.front));
#endif

            if ((data.getWidth() * PixelUtil::getNumElemBytes(data.format)) & 3) {
                // Standard alignment of 4 is not right
                OGRE_CHECK_GL_ERROR(glPixelStorei(GL_UNPACK_ALIGNMENT, 1));
            }

//            LogManager::getSingleton().logMessage("GLES2TextureBuffer::upload - ID: " + StringConverter::toString(mTextureID) +
//                                                  " Format: " + PixelUtil::getFormatName(data.format) +
//.........这里部分代码省略.........
开发者ID:vbudovski，项目名称:ogre，代码行数:101，代码来源:OgreGLES2HardwarePixelBuffer.cpp

示例6: if

    void GLES2TextureBuffer::upload(const PixelBox &data, const Image::Box &dest)
    {
        glBindTexture(mTarget, mTextureID);
        GL_CHECK_ERROR;

        if (PixelUtil::isCompressed(data.format))
        {
            if(data.format != mFormat || !data.isConsecutive())
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Compressed images must be consecutive, in the source format",
                            "GLES2TextureBuffer::upload");

            GLenum format = GLES2PixelUtil::getClosestGLInternalFormat(mFormat);
            // Data must be consecutive and at beginning of buffer as PixelStorei not allowed
            // for compressed formats
            if (dest.left == 0 && dest.top == 0)
            {
                glCompressedTexImage2D(mFaceTarget, mLevel,
                                       format,
                                       dest.getWidth(),
                                       dest.getHeight(),
                                       0,
                                       data.getConsecutiveSize(),
                                       data.data);
                GL_CHECK_ERROR;
            }
            else
            {
                glCompressedTexSubImage2D(mFaceTarget, mLevel,
                                          dest.left, dest.top,
                                          dest.getWidth(), dest.getHeight(),
                                          format, data.getConsecutiveSize(),
                                          data.data);

                GL_CHECK_ERROR;
            }
        }
        else if (mSoftwareMipmap)
        {
            if (data.getWidth() != data.rowPitch)
            {
                // TODO
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLES2TextureBuffer::upload");
            }

            if (data.getHeight() * data.getWidth() != data.slicePitch)
            {
                // TODO
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLES2TextureBuffer::upload");
            }

            glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
            GL_CHECK_ERROR;
            buildMipmaps(data);
        }
        else
        {
            if(data.getWidth() != data.rowPitch)
            {
                // TODO
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                            "Unsupported texture format",
                            "GLES2TextureBuffer::upload");
            }

            if(data.getHeight()*data.getWidth() != data.slicePitch)
            {
                // TODO
                OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
                    "Unsupported texture format",
                    "GLES2TextureBuffer::upload");
            }

            if ((data.getWidth() * PixelUtil::getNumElemBytes(data.format)) & 3) {
                // Standard alignment of 4 is not right
                glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
                GL_CHECK_ERROR;
            }

            glTexSubImage2D(mFaceTarget,
                            mLevel,
                            dest.left, dest.top,
                            dest.getWidth(), dest.getHeight(),
                            GLES2PixelUtil::getGLOriginFormat(data.format),
                            GLES2PixelUtil::getGLOriginDataType(data.format),
                            data.data);
        }
        
        if ((mUsage & TU_AUTOMIPMAP) && !mSoftwareMipmap && (mLevel == 0))
        {
            glGenerateMipmap(mFaceTarget);
            GL_CHECK_ERROR;
        }

        glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
        GL_CHECK_ERROR;
//.........这里部分代码省略.........
开发者ID:trigger-happy，项目名称:M_dependencies，代码行数:101，代码来源:OgreGLES2HardwarePixelBuffer.cpp


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