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| |
| #ifndef QOPENGL_EXTENSIONS_P_H |
| #define QOPENGL_EXTENSIONS_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of the Qt OpenGL classes. This header file may change from |
| // version to version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtGui/private/qtguiglobal_p.h> |
| #include "qopenglextrafunctions.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QOpenGLExtensionsPrivate; |
| |
| class Q_GUI_EXPORT QOpenGLExtensions : public QOpenGLExtraFunctions |
| { |
| Q_DECLARE_PRIVATE(QOpenGLExtensions) |
| public: |
| QOpenGLExtensions(); |
| QOpenGLExtensions(QOpenGLContext *context); |
| ~QOpenGLExtensions() {} |
| |
| enum OpenGLExtension { |
| TextureRectangle = 0x00000001, |
| GenerateMipmap = 0x00000002, |
| TextureCompression = 0x00000004, |
| MirroredRepeat = 0x00000008, |
| FramebufferMultisample = 0x00000010, |
| StencilTwoSide = 0x00000020, |
| StencilWrap = 0x00000040, |
| PackedDepthStencil = 0x00000080, |
| NVFloatBuffer = 0x00000100, |
| PixelBufferObject = 0x00000200, |
| FramebufferBlit = 0x00000400, |
| BGRATextureFormat = 0x00000800, |
| DDSTextureCompression = 0x00001000, |
| ETC1TextureCompression = 0x00002000, |
| PVRTCTextureCompression = 0x00004000, |
| ElementIndexUint = 0x00008000, |
| Depth24 = 0x00010000, |
| SRGBFrameBuffer = 0x00020000, |
| MapBuffer = 0x00040000, |
| GeometryShaders = 0x00080000, |
| MapBufferRange = 0x00100000, |
| Sized8Formats = 0x00200000, |
| DiscardFramebuffer = 0x00400000, |
| Sized16Formats = 0x00800000, |
| TextureSwizzle = 0x01000000, |
| }; |
| Q_DECLARE_FLAGS(OpenGLExtensions, OpenGLExtension) |
| |
| OpenGLExtensions openGLExtensions(); |
| bool hasOpenGLExtension(QOpenGLExtensions::OpenGLExtension extension) const; |
| |
| GLvoid *glMapBuffer(GLenum target, GLenum access); |
| void glGetBufferSubData(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr size, GLvoid *data); |
| void glDiscardFramebufferEXT (GLenum target, GLsizei numAttachments, const GLenum *attachments); |
| |
| void flushShared(); |
| |
| QOpenGLExtensionsPrivate *d() const; |
| |
| private: |
| static bool isInitialized(const QOpenGLFunctionsPrivate *d) { return d != nullptr; } |
| }; |
| |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QOpenGLExtensions::OpenGLExtensions) |
| |
| class QOpenGLExtensionsPrivate : public QOpenGLExtraFunctionsPrivate |
| { |
| public: |
| explicit QOpenGLExtensionsPrivate(QOpenGLContext *ctx); |
| |
| GLvoid* (QOPENGLF_APIENTRYP MapBuffer)(GLenum target, GLenum access); |
| void (QOPENGLF_APIENTRYP GetBufferSubData)(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr size, GLvoid *data); |
| void (QOPENGLF_APIENTRYP DiscardFramebuffer)(GLenum target, GLsizei numAttachments, const GLenum *attachments); |
| |
| bool flushVendorChecked; |
| bool flushIsSufficientToSyncContexts; |
| }; |
| |
| inline QOpenGLExtensionsPrivate *QOpenGLExtensions::d() const |
| { |
| return static_cast<QOpenGLExtensionsPrivate *>(d_ptr); |
| } |
| |
| inline GLvoid *QOpenGLExtensions::glMapBuffer(GLenum target, GLenum access) |
| { |
| Q_D(QOpenGLExtensions); |
| Q_ASSERT(QOpenGLExtensions::isInitialized(d)); |
| GLvoid *result = d->MapBuffer(target, access); |
| Q_OPENGL_FUNCTIONS_DEBUG |
| return result; |
| } |
| |
| inline void QOpenGLExtensions::glGetBufferSubData(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr size, GLvoid *data) |
| { |
| Q_D(QOpenGLExtensions); |
| Q_ASSERT(QOpenGLExtensions::isInitialized(d)); |
| d->GetBufferSubData(target, offset, size, data); |
| Q_OPENGL_FUNCTIONS_DEBUG |
| } |
| |
| |
| inline void QOpenGLExtensions::glDiscardFramebufferEXT (GLenum target, GLsizei numAttachments, const GLenum *attachments) |
| { |
| Q_D(QOpenGLExtensions); |
| Q_ASSERT(QOpenGLExtensions::isInitialized(d)); |
| d->DiscardFramebuffer(target,numAttachments, attachments); |
| Q_OPENGL_FUNCTIONS_DEBUG |
| } |
| QT_END_NAMESPACE |
| |
| #endif // QOPENGL_EXTENSIONS_P_H |