Exemple #1
0
int ForceRGBCommand::run(const char** args, unsigned int numArgs)
{
	if ( numArgs < 2 ) {
		fprintf(stderr, "Usage: ImageTool forcergb <input> <output> [-filequality 0-100] [-pad N,N,N]\n");
		fprintf(stderr, "\te.g. ImageTool forcergb input.jpg output.jpg\n");
		return IMAGECORE_INVALID_USAGE;
	}

	int ret = open(args[0], args[1]);
	if (ret != IMAGECORE_SUCCESS) {
		return ret;
	}

	// Defaults
	unsigned int compressionQuality = 75;

	// Optional args
	unsigned int numOptional = numArgs - 2;
	if ( numOptional > 0 ) {
		unsigned int numPairs = numOptional / 2;
		for ( unsigned int i = 0; i < numPairs; i++ ) {
			const char* argName = args[2 + i * 2 + 0];
			const char* argValue = args[2 + i * 2 + 1];
			if( strcmp(argName, "-filequality") == 0 ) {
				compressionQuality = clamp(0, 100, atoi(argValue));
			} else if( strcmp(argName, "-pad") == 0 ) {
				int ret = populateBuckets(argValue);
				if (ret != IMAGECORE_SUCCESS) {
					return ret;
				}
			}
		}
	}


	ImageReader* reader = ImageReader::create(m_Source);
	if( reader == NULL ) {
		fprintf(stderr, "error: unknown or corrupt image format for '%s'\n", m_InputFilePath);
		return IMAGECORE_INVALID_FORMAT;
	}

	EImageFormat outputFormat = ImageWriter::formatFromExtension(args[1], reader->getFormat());

	unsigned int colorProfileSize = 0;
	reader->getColorProfile(colorProfileSize);
	if( colorProfileSize != 0 && reader->getFormat() == kImageFormat_JPEG ) {
		reader->setReadOptions(ImageReader::kReadOption_ApplyColorProfile);
		ImageRGBA* image = ImageRGBA::create(reader->getWidth(), reader->getHeight());
		if( reader->readImage(image) ) {
			ImageWriter* writer = ImageWriter::createWithFormat(kImageFormat_JPEG, m_Output);
			if (writer == NULL) {
				fprintf(stderr, "error: unable to create ImageWriter\n");
				return IMAGECORE_OUT_OF_MEMORY;
			}
			writer->setWriteOptions(ImageWriter::kWriteOption_WriteDefaultColorProfile);
			writer->setSourceReader(reader);
			writer->setQuality(compressionQuality);
			if( !writer->writeImage(image) ) {
				ret = IMAGECORE_WRITE_ERROR;
			}
			delete writer;
		} else {
			fprintf(stderr, "error unable to read input image");
			ret = IMAGECORE_READ_ERROR;
		}
		delete image;
	} else {
		ImageWriter* imageWriter = ImageWriter::createWithFormat(outputFormat, m_Output);
		unsigned int writeOptions = 0;
		writeOptions |= ImageWriter::kWriteOption_WriteExifOrientation;
		writeOptions |= ImageWriter::kWriteOption_WriteDefaultColorProfile;
		if( imageWriter != NULL ) {
			imageWriter->setWriteOptions(writeOptions);
			if( imageWriter->copyLossless(reader) ) {
				ret = IMAGECORE_SUCCESS;
			} else {
				fprintf(stderr, "error: unable to perform lossless copy.\n");
				ret = IMAGECORE_INVALID_OPERATION;
			}
			delete imageWriter;
		}
	}

	delete reader;
	reader = NULL;

	close();

	return ret;
}
Exemple #2
0
void LoadTextureAMT::processGPU_Texture2D()
{
    ImageReader* reader = m_imageReaders[0];
    if(!reader)
    {
        return;
    }

    glActiveTexture(GL_TEXTURE0);
    glGenTextures(1, &m_textureId);
    glBindTexture(m_target, m_textureId);

    int levels;
    if(m_loadMipmaps)
    {
        levels = reader->getLevelAmount();

        if(levels == 1)
        {
            // If need mipmaps and image has only base level, set number of mipmap levels to generate
            levels = gmath::imageLevelCount(reader->getWidth(0), reader->getHeight(0), 1);
        }
    }
    else
    {
        levels = 1;
    }

    glTexStorage2D(m_target, levels, m_imageGLFormat, reader->getWidth(0), reader->getHeight(0));

    for(int i = 0; i < reader->getLevelAmount(); i++)
    {
        if(reader->isCompressedFormat())
        {
            glCompressedTexSubImage2D(m_target, i, 0, 0, reader->getWidth(i), reader->getHeight(i), reader->getFormat(), reader->getLevelSize(i), reader->getData(i));
        }
        else
        {
            glTexSubImage2D(m_target, i, 0, 0, reader->getWidth(i), reader->getHeight(i), reader->getFormat(), GL_UNSIGNED_BYTE, reader->getData(i));
        }
    }

    glTexParameteri(m_target, GL_TEXTURE_BASE_LEVEL, 0);

    if((reader->getLevelAmount() == 1) && m_loadMipmaps)
    {
        glGenerateMipmap(m_target);
    }

    if(m_loadMipmaps)
    {
        glTexParameteri(m_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
        glTexParameteri(m_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    }
    else
    {
        glTexParameteri(m_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        glTexParameteri(m_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        glTexParameteri(m_target, GL_TEXTURE_MAX_LEVEL, 0);
    }

    // Anisotropy filtering
    float maximumAnistropy;
    glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maximumAnistropy);
    glTexParameterf(m_target, GL_TEXTURE_MAX_ANISOTROPY_EXT, maximumAnistropy);
    glBindTexture(m_target, 0);

    utils::deleteAndNull(reader);
    m_imageReaders[0] = nullptr;

    m_context->m_target = m_target;
    m_context->m_textureId = m_textureId;
}
C2DTextureResource::C2DTextureResource(const std::string &filePath, const int flags) : CTextureResource(filePath)
{
    GLenum iFormat;
    int levels;
	//uint32_t size;
    ImageReader *img;

    m_textureId = 0;
    m_target = GL_TEXTURE_2D;
    m_type = ETT_TEX2D;

    // Fail loading if given extension is not supported.
    if((img = getImageFileByExtension(filePath)) == 0) { return; }

    // Fail loading if loaded file was invalid.
    if(!img->isValid()) { return; }

    iFormat = img->getOpenGLInternalFormat(flags);

    glActiveTexture(GL_TEXTURE0);
    glGenTextures(1, &m_textureId);
    glBindTexture(m_target, m_textureId);

    if(flags & ETF_MIPMAPS)
    {
        levels = img->getLevelAmount();

		if(levels == 1)
		{
            // If need mipmaps and image has only base level, set number of mipmap levels to generate
            levels = gmath::imageLevelCount(img->getWidth(0), img->getHeight(0), 1);
		}
    }
    else
    {
        levels = 1;
    }

	glTexStorage2D(m_target, levels, iFormat, img->getWidth(0), img->getHeight(0));

    for(int i = 0; i < img->getLevelAmount(); i++)
    {
        if(img->isCompressedFormat())
        {
            glCompressedTexSubImage2D(m_target, i, 0, 0, img->getWidth(i), img->getHeight(i), img->getFormat(), img->getLevelSize(i), img->getData(i));
        }
        else
        {
            glTexSubImage2D(m_target, i, 0, 0, img->getWidth(i), img->getHeight(i), img->getFormat(), GL_UNSIGNED_BYTE, img->getData(i));
        }
    }

	glTexParameteri(m_target, GL_TEXTURE_BASE_LEVEL, 0);

	if((img->getLevelAmount() == 1) && (flags & ETF_MIPMAPS))
	{
        glGenerateMipmap(m_target);
	}

	if(flags & ETF_MIPMAPS)
	{
		glTexParameteri(m_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
		glTexParameteri(m_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	}
    else
    {
        glTexParameteri(m_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        glTexParameteri(m_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
		glTexParameteri(m_target, GL_TEXTURE_MAX_LEVEL, 0);
	}

    // Anisotropy filtering
	float maximumAnistropy;
	glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maximumAnistropy);
	glTexParameterf(m_target, GL_TEXTURE_MAX_ANISOTROPY_EXT, maximumAnistropy);

	//size = approxSize(iFormat, img->getXBlocks(0), img->getYBlocks(0), 1, flags & ETF_MIPMAPS);

    glBindTexture(m_target, 0);

    delete img;

    m_loaded = true;
}