119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
/******************************************************************************
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QtAV: Media play library based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#ifndef QTAV_OPENGLHELPER_H
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#define QTAV_OPENGLHELPER_H
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#ifndef QT_NO_OPENGL
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#include "../VideoFormat.h"
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#include "gl_api.h"
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// for dynamicgl. qglfunctions before qt5.3 does not have portable gl functions
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#ifdef QT_OPENGL_DYNAMIC
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#define DYGL(glFunc) QOpenGLContext::currentContext()->functions()->glFunc
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#else
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#define DYGL(glFunc) glFunc
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#endif
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#define EGL_ENSURE(x, ...) \
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do { \
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if (!(x)) { \
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EGLint err = eglGetError(); \
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qWarning("EGL error@%d<<%s. " #x ": %#x %s", __LINE__, __FILE__, err, eglQueryString(eglGetCurrentDisplay(), err)); \
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return __VA_ARGS__; \
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} \
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} while(0)
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#define EGL_WARN(x, ...) \
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do { \
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if (!(x)) { \
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EGLint err = eglGetError(); \
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qWarning("EGL error@%d<<%s. " #x ": %#x %s", __LINE__, __FILE__, err, eglQueryString(eglGetCurrentDisplay(), err)); \
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} \
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} while(0)
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#define WGL_ENSURE(x, ...) \
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do { \
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if (!(x)) { \
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qWarning() << "WGL error " << __FILE__ << "@" << __LINE__ << " " << #x << ": " << qt_error_string(GetLastError()); \
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return __VA_ARGS__; \
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} \
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} while(0)
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#define WGL_WARN(x, ...) \
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do { \
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if (!(x)) { \
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qWarning() << "WGL error " << __FILE__ << "@" << __LINE__ << " " << #x << ": " << qt_error_string(GetLastError()); \
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} \
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} while(0)
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QT_BEGIN_NAMESPACE
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class QMatrix4x4;
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QT_END_NAMESPACE
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namespace FAV {
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namespace OpenGLHelper {
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QString removeComments(const QString& code);
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QByteArray compatibleShaderHeader(QOpenGLShader::ShaderType type);
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int GLSLVersion();
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bool isEGL();
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bool isOpenGLES();
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/*!
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* \brief hasExtensionEGL
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* Test if any of the given extensions is supported
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* \param exts Ends with NULL
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* \return true if one of extension is supported
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*/
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bool hasExtensionEGL(const char* exts[]);
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bool hasRG();
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bool has16BitTexture();
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// set by user (environment var "QTAV_TEXTURE16_DEPTH=8 or 16", default now is 8)
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int depth16BitTexture();
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// set by user (environment var "QTAV_GL_DEPRECATED=1")
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bool useDeprecatedFormats();
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/*!
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* \brief hasExtension
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* Test if any of the given extensions is supported. Current OpenGL context must be valid.
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* \param exts Ends with NULL
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* \return true if one of extension is supported
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*/
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bool hasExtension(const char* exts[]);
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bool isPBOSupported();
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/*!
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* \brief videoFormatToGL
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* \param fmt
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* \param internal_format an array with size fmt.planeCount()
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* \param data_format an array with size fmt.planeCount()
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* \param data_type an array with size fmt.planeCount()
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* \param mat channel reorder matrix used in glsl
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* \return false if fmt is not supported
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*/
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bool videoFormatToGL(const VideoFormat& fmt, GLint* internal_format, GLenum* data_format, GLenum* data_type, QMatrix4x4* mat = NULL);
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int bytesOfGLFormat(GLenum format, GLenum dataType = GL_UNSIGNED_BYTE);
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} //namespace OpenGLHelper
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} //namespace FAV
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#else
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namespace FAV {
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namespace OpenGLHelper {
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#define DYGL(f) f
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inline bool isOpenGLES() {return false;}
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} //namespace OpenGLHelper
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} //namespace FAV
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#endif //QT_NO_OPENGL
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#endif // QTAV_OPENGLHELPER_H
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