first commit

2026-02-21 17:11:31 +09:00
commit 18b4338361
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--- a/project/fm_viewer/fav/opengl/OpenGLHelper.h
+++ b/project/fm_viewer/fav/opengl/OpenGLHelper.h
@@ -0,0 +1,118 @@
+/******************************************************************************
+    QtAV:  Media play library based on Qt and FFmpeg
+    Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
+
+*   This file is part of QtAV
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+******************************************************************************/
+
+#ifndef QTAV_OPENGLHELPER_H
+#define QTAV_OPENGLHELPER_H
+
+#ifndef QT_NO_OPENGL
+#include "../VideoFormat.h"
+#include "gl_api.h"
+// for dynamicgl. qglfunctions before qt5.3 does not have portable gl functions
+#ifdef QT_OPENGL_DYNAMIC
+#define DYGL(glFunc) QOpenGLContext::currentContext()->functions()->glFunc
+#else
+#define DYGL(glFunc) glFunc
+#endif
+
+#define EGL_ENSURE(x, ...) \
+    do { \
+        if (!(x)) { \
+            EGLint err = eglGetError(); \
+            qWarning("EGL error@%d<<%s. " #x ": %#x %s", __LINE__, __FILE__, err, eglQueryString(eglGetCurrentDisplay(), err)); \
+            return __VA_ARGS__; \
+        } \
+    } while(0)
+#define EGL_WARN(x, ...) \
+    do { \
+        if (!(x)) { \
+            EGLint err = eglGetError(); \
+            qWarning("EGL error@%d<<%s. " #x ": %#x %s", __LINE__, __FILE__, err, eglQueryString(eglGetCurrentDisplay(), err)); \
+        } \
+    } while(0)
+
+
+#define WGL_ENSURE(x, ...) \
+    do { \
+        if (!(x)) { \
+            qWarning() << "WGL error " << __FILE__ << "@" << __LINE__ << " " << #x << ": " << qt_error_string(GetLastError()); \
+            return __VA_ARGS__; \
+        } \
+    } while(0)
+#define WGL_WARN(x, ...) \
+    do { \
+        if (!(x)) { \
+    qWarning() << "WGL error " << __FILE__ << "@" << __LINE__ << " " << #x << ": " << qt_error_string(GetLastError()); \
+        } \
+    } while(0)
+
+QT_BEGIN_NAMESPACE
+class QMatrix4x4;
+QT_END_NAMESPACE
+namespace FAV {
+namespace OpenGLHelper {
+QString removeComments(const QString& code);
+QByteArray compatibleShaderHeader(QOpenGLShader::ShaderType type);
+int GLSLVersion();
+bool isEGL();
+bool isOpenGLES();
+/*!
+ * \brief hasExtensionEGL
+ * Test if any of the given extensions is supported
+ * \param exts Ends with NULL
+ * \return true if one of extension is supported
+ */
+bool hasExtensionEGL(const char* exts[]);
+bool hasRG();
+bool has16BitTexture();
+// set by user (environment var "QTAV_TEXTURE16_DEPTH=8 or 16", default now is 8)
+int depth16BitTexture();
+// set by user (environment var "QTAV_GL_DEPRECATED=1")
+bool useDeprecatedFormats();
+/*!
+ * \brief hasExtension
+ * Test if any of the given extensions is supported. Current OpenGL context must be valid.
+ * \param exts Ends with NULL
+ * \return true if one of extension is supported
+ */
+bool hasExtension(const char* exts[]);
+bool isPBOSupported();
+/*!
+ * \brief videoFormatToGL
+ * \param fmt
+ * \param internal_format an array with size fmt.planeCount()
+ * \param data_format an array with size fmt.planeCount()
+ * \param data_type an array with size fmt.planeCount()
+ * \param mat channel reorder matrix used in glsl
+ * \return false if fmt is not supported
+ */
+bool videoFormatToGL(const VideoFormat& fmt, GLint* internal_format, GLenum* data_format, GLenum* data_type, QMatrix4x4* mat = NULL);
+int bytesOfGLFormat(GLenum format, GLenum dataType = GL_UNSIGNED_BYTE);
+} //namespace OpenGLHelper
+} //namespace FAV
+#else
+namespace FAV {
+namespace OpenGLHelper {
+#define DYGL(f) f
+inline bool isOpenGLES() {return false;}
+} //namespace OpenGLHelper
+} //namespace FAV
+#endif //QT_NO_OPENGL
+#endif // QTAV_OPENGLHELPER_H