C++ VisualGraphics::disableTexturing方法代码示例

本文整理汇总了C++中VisualGraphics::disableTexturing方法的典型用法代码示例。如果您正苦于以下问题：C++ VisualGraphics::disableTexturing方法的具体用法？C++ VisualGraphics::disableTexturing怎么用？C++ VisualGraphics::disableTexturing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VisualGraphics的用法示例。

在下文中一共展示了VisualGraphics::disableTexturing方法的5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: initWithFramebuffer

OSStatus VisualTextureContainer::initWithFramebuffer(UInt32 xPos, UInt32 yPos, UInt32 width, UInt32 height) {
	
	VisualGraphics* theVisualGraphics = VisualGraphics::getInstance();

	this->releaseTextureData();

	this->textureName = theVisualGraphics->getNextFreeTextureName();
	this->textureIsSet = true;
	VisualTextureContainer::textureRefCountMap[this->textureName] = 1;
	this->useRectExtension = theVisualGraphics->canUseTextureRectExtension();

	int prevReadBuffer = theVisualGraphics->getCurrentColorBufferForPixelReadingOperations();
	theVisualGraphics->setColorBufferForPixelReadingOperations(kGL_BACK_COLOR_BUFFER);

	int prevDrawBuffer = theVisualGraphics->getCurrentColorBufferForPixelDrawingOperations();
	theVisualGraphics->setColorBufferForPixelDrawingOperations(kGL_BACK_COLOR_BUFFER);

	theVisualGraphics->enableTexturing(this->useRectExtension);
	theVisualGraphics->copyFramebufferToTexture(this->textureName, this->useRectExtension, xPos, yPos, width, height, this->pixelFormat, this->dataType);
	theVisualGraphics->disableTexturing(this->useRectExtension);

	theVisualGraphics->setColorBufferForPixelDrawingOperations(prevDrawBuffer);
	theVisualGraphics->setColorBufferForPixelReadingOperations(prevReadBuffer);


	return noErr;
}

开发者ID:alexpaulzor，项目名称:projectm，代码行数:27，代码来源:VisualTextureContainer.cpp

示例2: createARGBImagePixels

PixelColor* VisualTextureContainer::createARGBImagePixels(bool debug) {
	
	PixelColor* pixelBuffer = NULL;
	
	VisualGraphics* theVisualGraphics = VisualGraphics::getInstance();
	
	if (debug == true) {
		pixelBuffer = VisualColorTools::createARGBCheckPixels(this->textureRect.width, this->textureRect.height);
		return pixelBuffer;
	}
	
	theVisualGraphics->enableTexturing(this->useRectExtension);
	theVisualGraphics->bindTexture(this->textureName, this->useRectExtension);
	theVisualGraphics->setPixelStorageParams();
	
	uint16 format = kGL_BGRA;
	uint16 type;
	
	// GL_BGRA/GL_UNSIGNED_BYTE and GL_BGRA/GL_UNSIGNED_INT_8_8_8_8_REV are equivalent on little endian machines
	
	if (this->useRectExtension == false) {
		
		pixelBuffer = (PixelColor*)malloc(this->textureRect.width * this->textureRect.height * sizeof(PixelColor));
		
		type = kGL_UNSIGNED_BYTE;
		theVisualGraphics->getPixelsOfCurrentTexture(this->useRectExtension, format, type, &(pixelBuffer));
		
#if __BIG_ENDIAN__
		VisualColorTools::convertInterleavedPixels1234To4321(pixelBuffer, this->textureRect.width * this->textureRect.height);
#endif

		if ((this->textureRect.width != this->imageRect.width) || (this->textureRect.height != this->imageRect.height)) {
			// copy actual image pixel data out of texture pixel data
			Pixel topLeftPosition;
			topLeftPosition.x = 0;
			topLeftPosition.y = 0;
			TopLeftPositionedPixelRect clipRect;
			clipRect.topLeftPixel = topLeftPosition;
			clipRect.pixelRect = this->imageRect;
			PixelColor* clippedPixelData = theVisualGraphics->clipPixelData(pixelBuffer, this->textureRect, clipRect);
			free(pixelBuffer);
			pixelBuffer = clippedPixelData;
		}

	} else {
		
		pixelBuffer = (PixelColor*)malloc(this->imageRect.width * this->imageRect.height * sizeof(PixelColor));
		
		type = kGL_UNSIGNED_INT_8_8_8_8_REV;
		theVisualGraphics->getPixelsOfCurrentTexture(this->useRectExtension, format, type, &pixelBuffer);
	}
	
	theVisualGraphics->disableTexturing(this->useRectExtension);
	
	return pixelBuffer;
}

开发者ID:LupusDei，项目名称:8LU-DSP，代码行数:56，代码来源:VisualTextureContainer.cpp

示例3: initWithFramebuffer

bool VisualTextureContainer::initWithFramebuffer(const BottomLeftPositionedPixelRect& clipRect) {
	
	bool success = true;

	uint16 dataType;
	uint16 pixelFormat = kGL_BGRA;
	// BGRA on intel machines and ARGB on ppc
#if TARGET_OS_WIN
	dataType = kGL_UNSIGNED_BYTE;
#else
#if __BIG_ENDIAN__
	dataType = kGL_UNSIGNED_INT_8_8_8_8_REV;
#else
	dataType = kGL_UNSIGNED_INT_8_8_8_8;
#endif
#endif
	
	VisualGraphics* theVisualGraphics = VisualGraphics::getInstance();
	
	this->releaseTextureData();
	
	this->textureName = theVisualGraphics->getNextFreeTextureName();
	this->aTextureIsSet = true;
	VisualTextureContainer::textureRefCountMap[this->textureName] = 1;
	this->useRectExtension = theVisualGraphics->canUseTextureRectExtension();
	
	int prevReadBuffer = theVisualGraphics->getCurrentColorBufferForPixelReadingOperations();
	theVisualGraphics->setColorBufferForPixelReadingOperations(kGL_BACK_COLOR_BUFFER);
	
	int prevDrawBuffer = theVisualGraphics->getCurrentColorBufferForPixelDrawingOperations();
	theVisualGraphics->setColorBufferForPixelDrawingOperations(kGL_BACK_COLOR_BUFFER);
	
	theVisualGraphics->enableTexturing(this->useRectExtension);
	theVisualGraphics->copyFramebufferToTexture(this->textureName, this->useRectExtension, clipRect, pixelFormat, dataType);
	theVisualGraphics->disableTexturing(this->useRectExtension);
	
	theVisualGraphics->setColorBufferForPixelDrawingOperations(prevDrawBuffer);
	theVisualGraphics->setColorBufferForPixelReadingOperations(prevReadBuffer);
	
	this->imageRect.width = clipRect.pixelRect.width;
	this->imageRect.height = clipRect.pixelRect.height;
	
	this->useRectExtension = theVisualGraphics->canUseTextureRectExtension();
	if (this->useRectExtension == false) {
		this->textureRect.width = theVisualGraphics->power2Ceiling(this->imageRect.width);
		this->textureRect.height = theVisualGraphics->power2Ceiling(this->imageRect.height);
	} else {
		this->textureRect.width = this->imageRect.width;
		this->textureRect.height = this->imageRect.height;
	}
	
	return success;
}

开发者ID:LupusDei，项目名称:8LU-DSP，代码行数:53，代码来源:VisualTextureContainer.cpp

示例4: applyConvolutionFilter

void VisualTextureContainer::applyConvolutionFilter(const VisualConvolutionFilter& aConvolutionFilter) {
	
	VisualGraphics* theVisualGraphics = VisualGraphics::getInstance();

	uint16 dataType;
	uint16 pixelFormat = kGL_BGRA;
	// BGRA on intel machines and ARGB on ppc
#if TARGET_OS_WIN
	dataType = kGL_UNSIGNED_BYTE;
#else
#if __BIG_ENDIAN__
	dataType = kGL_UNSIGNED_INT_8_8_8_8_REV;
#else
	dataType = kGL_UNSIGNED_INT_8_8_8_8;
#endif
#endif
	
	if (theVisualGraphics->doesSupportGLConvolutionFilter()) {
		
		int prevReadBuffer = theVisualGraphics->getCurrentColorBufferForPixelReadingOperations();
		theVisualGraphics->setColorBufferForPixelReadingOperations(kGL_BACK_COLOR_BUFFER);
		
		int prevDrawBuffer = theVisualGraphics->getCurrentColorBufferForPixelDrawingOperations();
		theVisualGraphics->setColorBufferForPixelDrawingOperations(kGL_BACK_COLOR_BUFFER);
		
		uint32* prevPixels = NULL;
		
		char errStr[512];
		
		uint8 numberOfBytesPerChannel = 0;
		uint8 numberOfChannels = 0; // channel == color resp. alpha channel
		uint8 numberOfBytesPerPixel = 0;
		uint32 numberOfBytesPerRow = 0;
		if ((pixelFormat == kGL_RGBA) || (pixelFormat == kGL_BGRA)) {
			numberOfChannels = 4;
		} else {
			sprintf(errStr, "unknown format %d in file: %s (line: %d) [%s])", pixelFormat, __FILE__, __LINE__, __FUNCTION__);
			writeLog(errStr);
			return;
		}
		
		if ((dataType == kGL_UNSIGNED_INT_8_8_8_8_REV) || (dataType == kGL_UNSIGNED_INT_8_8_8_8) || (dataType == kGL_UNSIGNED_BYTE)) {
			numberOfBytesPerChannel = 1; // // 1 byte (== 8 bits) per color/channel
		} else {
			sprintf(errStr, "unknown type %d in file: %s (line: %d) [%s])", dataType, __FILE__, __LINE__, __FUNCTION__);
			writeLog(errStr);
			return;
		}
		
		numberOfBytesPerPixel = numberOfBytesPerChannel * numberOfChannels;
		numberOfBytesPerRow = numberOfBytesPerPixel * this->textureRect.width;
		
		// read previous pixels
		if ((pixelFormat == kGL_RGBA) || (pixelFormat == kGL_BGRA)) {
			prevPixels = (uint32*)calloc((numberOfBytesPerRow / numberOfBytesPerPixel) * this->textureRect.height, numberOfBytesPerPixel);
		}
		VisualCamera aCamera;
		aCamera.setOrthographicProjection();
		theVisualGraphics->readPixels(aCamera.getMaxLeftCoord(), aCamera.getMaxBottomCoord(), this->textureRect.width, this->textureRect.height, &prevPixels, pixelFormat, dataType, aCamera);
		
		PixelColor* pixels = NULL;
		pixels = this->createARGBImagePixels();
		if (pixels == NULL) {
			sprintf(errStr, "pixels == NULL in file: %s (line: %d) [%s])", __FILE__, __LINE__, __FUNCTION__);
			writeLog(errStr);
			return;
		}

		theVisualGraphics->drawPixels(&pixels, aCamera.getMaxLeftCoord(), aCamera.getMaxBottomCoord(), this->imageRect.width, this->imageRect.height, pixelFormat, dataType, &aConvolutionFilter);
		
		free(pixels);
		pixels = NULL;
		
		BottomLeftPositionedPixelRect clipRect;
		clipRect.bottomLeftPixel.x = 0;
		clipRect.bottomLeftPixel.y = 0;
		clipRect.pixelRect.width = this->textureRect.width;
		clipRect.pixelRect.height = this->textureRect.height;
		
		theVisualGraphics->enableTexturing(this->useRectExtension);
		theVisualGraphics->copyFramebufferToTexture(this->textureName, this->useRectExtension, clipRect, pixelFormat, dataType);
		theVisualGraphics->disableTexturing(this->useRectExtension);
		
		// restore previous pixels
		theVisualGraphics->drawPixels(&prevPixels, aCamera.getMaxLeftCoord(), aCamera.getMaxBottomCoord(), this->textureRect.width, this->textureRect.height, pixelFormat, dataType);
		
		free(prevPixels);
		
		theVisualGraphics->setColorBufferForPixelDrawingOperations(prevDrawBuffer);
		theVisualGraphics->setColorBufferForPixelReadingOperations(prevReadBuffer);
		
	} else {
		
		PixelColor* pixels = this->createARGBImagePixels();		
		PixelColor* filteredPixels = NULL;
		aConvolutionFilter.applyToPixelData(pixels, this->imageRect.width, this->imageRect.height, pixelFormat, dataType, &filteredPixels);
		free(pixels);
		pixels = NULL;
		bool success = false;
		const PixelColor* constFilteredPixels = const_cast<const PixelColor*>(filteredPixels);
//.........这里部分代码省略.........

开发者ID:LupusDei，项目名称:8LU-DSP，代码行数:101，代码来源:VisualTextureContainer.cpp

示例5: getTexturePixels

UInt32* VisualTextureContainer::getTexturePixels(const UInt16 format, const UInt16 type) {

	bool debug = false;

	UInt8* pixelBuffer8Bit = NULL;
		
	char errStr[256];

	VisualGraphics* theVisualGraphics = VisualGraphics::getInstance();
	
	if (debug == true) {
		if (this->pixelBuffer != NULL) {
			free(this->pixelBuffer);
			this->pixelBuffer = NULL;
		}
		this->pixelBuffer = theVisualGraphics->createARGBCheckPixels(this->textureWidth, this->textureHeight);
		return this->pixelBuffer;
	}
	
	if ((debug == false) && (this->pixelBuffer != NULL)) {
		//return this->pixelBuffer;
	}
	
	UInt8 numberOfBytesPerChannel = 0;
	UInt8 numberOfChannels = 0; // channel == color resp. alpha channel
	UInt8 numberOfBytesPerPixel = 0;
	UInt32 numberOfBytesPerRow = 0;
	if ((format == kGL_RGBA) || (format == kGL_BGRA)) {
		numberOfChannels = 4;
	} else {
		sprintf(errStr, "unknown format %d in file: %s (line: %d) [%s])", format, __FILE__, __LINE__, __FUNCTION__);
		writeLog(errStr);
		return this->pixelBuffer;
	}
	
	if ((type == kGL_UNSIGNED_INT_8_8_8_8_REV) || (type == kGL_UNSIGNED_INT_8_8_8_8) || (type == kGL_UNSIGNED_BYTE)) {
		numberOfBytesPerChannel = 1; // 1 byte (== 8 bits) per color/channel
	} else {
		sprintf(errStr, "unknown type %d in file: %s (line: %d) [%s])", type, __FILE__, __LINE__, __FUNCTION__);
		writeLog(errStr);
		return this->pixelBuffer;
	}

	if (this->pixelBuffer != NULL) {
		free(this->pixelBuffer);
		this->pixelBuffer = NULL;
	}

	if (this->useRectExtension == false) {
		numberOfBytesPerPixel = numberOfBytesPerChannel * numberOfChannels;
		numberOfBytesPerRow = numberOfBytesPerPixel * this->textureWidth;
		if ((format == kGL_RGBA) || (format == kGL_BGRA)) {
			if ((type == kGL_UNSIGNED_INT_8_8_8_8_REV) || (type == kGL_UNSIGNED_INT_8_8_8_8)) {
				this->pixelBuffer = (UInt32*)calloc((numberOfBytesPerRow / numberOfBytesPerPixel) * this->textureHeight, numberOfBytesPerPixel);
			} else if (type == kGL_UNSIGNED_BYTE) {
				this->pixelBuffer = (UInt32*)calloc((numberOfBytesPerRow / numberOfBytesPerPixel) * this->textureHeight, numberOfBytesPerPixel);
				pixelBuffer8Bit = (UInt8*)malloc(this->textureWidth * this->textureHeight * 4);
			}
		}
		
		theVisualGraphics->enableTexturing(this->useRectExtension);
		theVisualGraphics->bindTexture(this->textureName, this->useRectExtension);
		theVisualGraphics->setPixelStorageParams();
		if ((type == kGL_UNSIGNED_INT_8_8_8_8_REV) || (type == kGL_UNSIGNED_INT_8_8_8_8)) {
			theVisualGraphics->get32BitPixelsOfCurrentTexture(this->useRectExtension, format, type, &(this->pixelBuffer));
		} else if (type == kGL_UNSIGNED_BYTE) {
			theVisualGraphics->get8BitPixelsOfCurrentTexture(this->useRectExtension, format, type, &pixelBuffer8Bit);
		}
		theVisualGraphics->disableTexturing(this->useRectExtension);

	} else {
#if TARGET_OS_MAC
		// glGetTexImage() does not always reliably return the pixelBuffer
		// of npot (non-power-of-two, GL_TEXTURE_RECTANGLE_EXT) textures
		// because of inconsistencies with Nvidia's GeForce4 MX card (1.4.18) [only with some not all textures the pixel data was returned]
		// we grab the pixels with glReadPixels()
		// (HW, 20070208)
		this->pixelBuffer = this->getRectPixels(format, type);
#endif
	}

	if (type == kGL_UNSIGNED_BYTE) {
		UInt32 b, g, r, a, color32bit;
		UInt32 pixelBufferIdx = 0;
		UInt32 pixelBuffer8BitIdx = 0;
		for (UInt32 i = 0; i < this->textureHeight; i++) {
			for (UInt32 k = 0; k < this->textureWidth; k++) {
				b = pixelBuffer8Bit[pixelBuffer8BitIdx + 0] << 24;
				g = pixelBuffer8Bit[pixelBuffer8BitIdx + 1] << 16;
				r = pixelBuffer8Bit[pixelBuffer8BitIdx + 2] << 8;
				a = pixelBuffer8Bit[pixelBuffer8BitIdx + 3];
				color32bit = b | g | r | a;
				this->pixelBuffer[pixelBufferIdx] = color32bit;
				pixelBufferIdx++;
				pixelBuffer8BitIdx += 4;
			}
		}
		free(pixelBuffer8Bit);
	}

//.........这里部分代码省略.........

开发者ID:alexpaulzor，项目名称:projectm，代码行数:101，代码来源:VisualTextureContainer.cpp

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