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Diffstat (limited to 'src/opengl/qglpixelbuffer_mac.mm')
| -rw-r--r-- | src/opengl/qglpixelbuffer_mac.mm | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/src/opengl/qglpixelbuffer_mac.mm b/src/opengl/qglpixelbuffer_mac.mm deleted file mode 100644 index b364209b95..0000000000 --- a/src/opengl/qglpixelbuffer_mac.mm +++ /dev/null @@ -1,331 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtOpenGL module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qglpixelbuffer.h" -#include "qglpixelbuffer_p.h" - -#ifndef QT_MAC_USE_COCOA -#include <AGL/agl.h> -#endif - -#include <qimage.h> -#include <private/qgl_p.h> -#include <qdebug.h> - -QT_BEGIN_NAMESPACE - -#ifndef GL_TEXTURE_RECTANGLE_EXT -#define GL_TEXTURE_RECTANGLE_EXT 0x84F5 -#endif - -static int nearest_gl_texture_size(int v) -{ - int n = 0, last = 0; - for (int s = 0; s < 32; ++s) { - if (((v>>s) & 1) == 1) { - ++n; - last = s; - } - } - if (n > 1) - return 1 << (last+1); - return 1 << last; -} - -bool QGLPixelBufferPrivate::init(const QSize &size, const QGLFormat &f, QGLWidget *shareWidget) -{ -#ifdef QT_MAC_USE_COCOA - Q_Q(QGLPixelBuffer); - // create a dummy context - QGLContext context(f, q); - context.create(shareWidget ? shareWidget->context() : 0); - - if (context.isSharing()) - share_ctx = shareWidget->context()->d_func()->cx; - - // steal the NSOpenGLContext and update the format - ctx = context.d_func()->cx; - context.d_func()->cx = 0; - // d->cx will be set to ctx later in - // QGLPixelBufferPrivate::common_init, so we need to retain it: - [static_cast<NSOpenGLContext *>(ctx) retain]; - - format = context.format(); - - GLenum target = GL_TEXTURE_2D; - - if ((QGLExtensions::glExtensions() & QGLExtensions::TextureRectangle) - && (size.width() != nearest_gl_texture_size(size.width()) - || size.height() != nearest_gl_texture_size(size.height()))) - { - target = GL_TEXTURE_RECTANGLE_EXT; - } - - pbuf = [[NSOpenGLPixelBuffer alloc] initWithTextureTarget:target - textureInternalFormat:GL_RGBA - textureMaxMipMapLevel:0 - pixelsWide:size.width() - pixelsHigh:size.height()]; - if (!pbuf) { - qWarning("QGLPixelBuffer: Cannot create a pbuffer"); - return false; - } - - [static_cast<NSOpenGLContext *>(ctx) setPixelBuffer:static_cast<NSOpenGLPixelBuffer *>(pbuf) - cubeMapFace:0 - mipMapLevel:0 - currentVirtualScreen:0]; - return true; -#else - GLint attribs[40], i=0; - attribs[i++] = AGL_RGBA; - attribs[i++] = AGL_BUFFER_SIZE; - attribs[i++] = 32; - attribs[i++] = AGL_LEVEL; - attribs[i++] = f.plane(); - if (f.redBufferSize() != -1) { - attribs[i++] = AGL_RED_SIZE; - attribs[i++] = f.redBufferSize(); - } - if (f.greenBufferSize() != -1) { - attribs[i++] = AGL_GREEN_SIZE; - attribs[i++] = f.greenBufferSize(); - } - if (f.blueBufferSize() != -1) { - attribs[i++] = AGL_BLUE_SIZE; - attribs[i++] = f.blueBufferSize(); - } - if (f.stereo()) - attribs[i++] = AGL_STEREO; - if (f.alpha()) { - attribs[i++] = AGL_ALPHA_SIZE; - attribs[i++] = f.alphaBufferSize() == -1 ? 8 : f.alphaBufferSize(); - } - if (f.stencil()) { - attribs[i++] = AGL_STENCIL_SIZE; - attribs[i++] = f.stencilBufferSize() == -1 ? 8 : f.stencilBufferSize(); - } - if (f.depth()) { - attribs[i++] = AGL_DEPTH_SIZE; - attribs[i++] = f.depthBufferSize() == -1 ? 32 : f.depthBufferSize(); - } - if (f.accum()) { - attribs[i++] = AGL_ACCUM_RED_SIZE; - attribs[i++] = f.accumBufferSize() == -1 ? 16 : f.accumBufferSize(); - attribs[i++] = AGL_ACCUM_BLUE_SIZE; - attribs[i++] = f.accumBufferSize() == -1 ? 16 : f.accumBufferSize(); - attribs[i++] = AGL_ACCUM_GREEN_SIZE; - attribs[i++] = f.accumBufferSize() == -1 ? 16 : f.accumBufferSize(); - attribs[i++] = AGL_ACCUM_ALPHA_SIZE; - attribs[i++] = f.accumBufferSize() == -1 ? 16 : f.accumBufferSize(); - } - - if (f.sampleBuffers()) { - attribs[i++] = AGL_SAMPLE_BUFFERS_ARB; - attribs[i++] = 1; - attribs[i++] = AGL_SAMPLES_ARB; - attribs[i++] = f.samples() == -1 ? 4 : f.samples(); - } - attribs[i] = AGL_NONE; - - AGLPixelFormat format = aglChoosePixelFormat(0, 0, attribs); - if (!format) { - qWarning("QGLPixelBuffer: Unable to find a pixel format (AGL error %d).", - (int) aglGetError()); - return false; - } - - GLint res; - aglDescribePixelFormat(format, AGL_LEVEL, &res); - this->format.setPlane(res); - aglDescribePixelFormat(format, AGL_DOUBLEBUFFER, &res); - this->format.setDoubleBuffer(res); - aglDescribePixelFormat(format, AGL_DEPTH_SIZE, &res); - this->format.setDepth(res); - if (this->format.depth()) - this->format.setDepthBufferSize(res); - aglDescribePixelFormat(format, AGL_RGBA, &res); - this->format.setRgba(res); - aglDescribePixelFormat(format, AGL_RED_SIZE, &res); - this->format.setRedBufferSize(res); - aglDescribePixelFormat(format, AGL_GREEN_SIZE, &res); - this->format.setGreenBufferSize(res); - aglDescribePixelFormat(format, AGL_BLUE_SIZE, &res); - this->format.setBlueBufferSize(res); - aglDescribePixelFormat(format, AGL_ALPHA_SIZE, &res); - this->format.setAlpha(res); - if (this->format.alpha()) - this->format.setAlphaBufferSize(res); - aglDescribePixelFormat(format, AGL_ACCUM_RED_SIZE, &res); - this->format.setAccum(res); - if (this->format.accum()) - this->format.setAccumBufferSize(res); - aglDescribePixelFormat(format, AGL_STENCIL_SIZE, &res); - this->format.setStencil(res); - if (this->format.stencil()) - this->format.setStencilBufferSize(res); - aglDescribePixelFormat(format, AGL_STEREO, &res); - this->format.setStereo(res); - aglDescribePixelFormat(format, AGL_SAMPLE_BUFFERS_ARB, &res); - this->format.setSampleBuffers(res); - if (this->format.sampleBuffers()) { - aglDescribePixelFormat(format, AGL_SAMPLES_ARB, &res); - this->format.setSamples(res); - } - - AGLContext share = 0; - if (shareWidget) - share = share_ctx = static_cast<AGLContext>(shareWidget->d_func()->glcx->d_func()->cx); - ctx = aglCreateContext(format, share); - if (!ctx) { - qWarning("QGLPixelBuffer: Unable to create a context (AGL error %d).", - (int) aglGetError()); - return false; - } - - GLenum target = GL_TEXTURE_2D; - - if ((QGLExtensions::glExtensions() & QGLExtensions::TextureRectangle) - && (size.width() != nearest_gl_texture_size(size.width()) - || size.height() != nearest_gl_texture_size(size.height()))) - { - target = GL_TEXTURE_RECTANGLE_EXT; - } - - if (!aglCreatePBuffer(size.width(), size.height(), target, GL_RGBA, 0, &pbuf)) { - qWarning("QGLPixelBuffer: Unable to create a pbuffer (AGL error %d).", - (int) aglGetError()); - return false; - } - - if (!aglSetPBuffer(ctx, pbuf, 0, 0, 0)) { - qWarning("QGLPixelBuffer: Unable to set pbuffer (AGL error %d).", - (int) aglGetError()); - return false; - } - - aglDestroyPixelFormat(format); - return true; - -#endif -} - -bool QGLPixelBufferPrivate::cleanup() -{ -#ifdef QT_MAC_USE_COCOA - [static_cast<NSOpenGLPixelBuffer *>(pbuf) release]; - pbuf = 0; - [static_cast<NSOpenGLContext *>(ctx) release]; - ctx = 0; -#else - aglDestroyPBuffer(pbuf); -#endif - return true; -} - -bool QGLPixelBuffer::bindToDynamicTexture(GLuint texture_id) -{ - Q_D(QGLPixelBuffer); - if (d->invalid || !d->share_ctx) - return false; - -#ifdef QT_MAC_USE_COCOA - NSOpenGLContext *oldContext = [NSOpenGLContext currentContext]; - if (d->share_ctx != oldContext) - [static_cast<NSOpenGLContext *>(d->share_ctx) makeCurrentContext]; - glBindTexture(GL_TEXTURE_2D, texture_id); - [static_cast<NSOpenGLContext *>(d->share_ctx) - setTextureImageToPixelBuffer:static_cast<NSOpenGLPixelBuffer *>(d->pbuf) - colorBuffer:GL_FRONT]; - if (oldContext && oldContext != d->share_ctx) - [oldContext makeCurrentContext]; - return true; -#else - aglSetCurrentContext(d->share_ctx); - glBindTexture(GL_TEXTURE_2D, texture_id); - aglTexImagePBuffer(d->share_ctx, d->pbuf, GL_FRONT); - return true; -#endif -} - -#ifdef Q_MAC_COMPAT_GL_FUNCTIONS -bool QGLPixelBuffer::bindToDynamicTexture(QMacCompatGLuint texture_id) -{ - return bindToDynamicTexture(GLuint(texture_id)); -} -#endif - -void QGLPixelBuffer::releaseFromDynamicTexture() -{ -} - -GLuint QGLPixelBuffer::generateDynamicTexture() const -{ -#ifdef QT_MAC_USE_COCOA - Q_D(const QGLPixelBuffer); - NSOpenGLContext *oldContext = [NSOpenGLContext currentContext]; - if (d->share_ctx != oldContext) - [static_cast<NSOpenGLContext *>(d->share_ctx) makeCurrentContext]; - GLuint texture; - glGenTextures(1, &texture); - glBindTexture(GL_TEXTURE_2D, texture); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - - if (oldContext && oldContext != d->share_ctx) - [oldContext makeCurrentContext]; - return texture; -#else - GLuint texture; - glGenTextures(1, &texture); - glBindTexture(GL_TEXTURE_2D, texture); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - return texture; -#endif -} - -bool QGLPixelBuffer::hasOpenGLPbuffers() -{ - return true; -} - -QT_END_NAMESPACE |