| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ** $QT_BEGIN_LICENSE:LGPL21$ |
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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 "qopenglfunctions.h" |
| #include <QtCore/qlibrary.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QOpenGLExtensionsPrivate; |
| |
| class QOpenGLES3Helper |
| { |
| public: |
| QOpenGLES3Helper(); |
| |
| GLvoid* (QOPENGLF_APIENTRYP MapBufferRange)(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr length, GLbitfield access); |
| GLboolean (QOPENGLF_APIENTRYP UnmapBuffer)(GLenum target); |
| void (QOPENGLF_APIENTRYP BlitFramebuffer)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); |
| void (QOPENGLF_APIENTRYP RenderbufferStorageMultisample)(GLenum target, GLsizei samples, GLenum internalFormat, GLsizei width, GLsizei height); |
| |
| void (QOPENGLF_APIENTRYP GenVertexArrays)(GLsizei n, GLuint *arrays); |
| void (QOPENGLF_APIENTRYP DeleteVertexArrays)(GLsizei n, const GLuint *arrays); |
| void (QOPENGLF_APIENTRYP BindVertexArray)(GLuint array); |
| GLboolean (QOPENGLF_APIENTRYP IsVertexArray)(GLuint array); |
| |
| void (QOPENGLF_APIENTRYP TexImage3D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels); |
| void (QOPENGLF_APIENTRYP TexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels); |
| void (QOPENGLF_APIENTRYP CompressedTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data); |
| void (QOPENGLF_APIENTRYP CompressedTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data); |
| |
| void (QOPENGLF_APIENTRYP TexStorage3D)(GLenum target, GLsizei levels, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth); |
| void (QOPENGLF_APIENTRYP TexStorage2D)(GLenum target, GLsizei levels, GLenum internalFormat, GLsizei width, GLsizei height); |
| |
| private: |
| bool init(); |
| QFunctionPointer resolve(const char *name); |
| |
| QLibrary m_gl; |
| }; |
| |
| class Q_GUI_EXPORT QOpenGLExtensions : public QOpenGLFunctions |
| { |
| 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 |
| }; |
| Q_DECLARE_FLAGS(OpenGLExtensions, OpenGLExtension) |
| |
| OpenGLExtensions openGLExtensions(); |
| bool hasOpenGLExtension(QOpenGLExtensions::OpenGLExtension extension) const; |
| |
| GLvoid *glMapBuffer(GLenum target, GLenum access); |
| GLvoid *glMapBufferRange(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr length, GLbitfield access); |
| GLboolean glUnmapBuffer(GLenum target); |
| |
| void glBlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, |
| GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, |
| GLbitfield mask, GLenum filter); |
| |
| void glRenderbufferStorageMultisample(GLenum target, GLsizei samples, |
| GLenum internalFormat, |
| GLsizei width, GLsizei height); |
| |
| void glGetBufferSubData(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr size, GLvoid *data); |
| |
| void glDiscardFramebufferEXT (GLenum target, GLsizei numAttachments, const GLenum *attachments); |
| |
| QOpenGLES3Helper *gles3Helper(); |
| |
| void flushShared(); |
| |
| private: |
| static bool isInitialized(const QOpenGLFunctionsPrivate *d) { return d != 0; } |
| }; |
| |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QOpenGLExtensions::OpenGLExtensions) |
| |
| class QOpenGLExtensionsPrivate : public QOpenGLFunctionsPrivate |
| { |
| public: |
| explicit QOpenGLExtensionsPrivate(QOpenGLContext *ctx); |
| |
| GLvoid* (QOPENGLF_APIENTRYP MapBuffer)(GLenum target, GLenum access); |
| GLvoid* (QOPENGLF_APIENTRYP MapBufferRange)(GLenum target, qopengl_GLintptr offset, |
| qopengl_GLsizeiptr length, GLbitfield access); |
| GLboolean (QOPENGLF_APIENTRYP UnmapBuffer)(GLenum target); |
| void (QOPENGLF_APIENTRYP BlitFramebuffer)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, |
| GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, |
| GLbitfield mask, GLenum filter); |
| void (QOPENGLF_APIENTRYP RenderbufferStorageMultisample)(GLenum target, GLsizei samples, |
| GLenum internalFormat, |
| GLsizei width, GLsizei height); |
| 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 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 GLvoid *QOpenGLExtensions::glMapBufferRange(GLenum target, qopengl_GLintptr offset, |
| qopengl_GLsizeiptr length, GLbitfield access) |
| { |
| Q_D(QOpenGLExtensions); |
| Q_ASSERT(QOpenGLExtensions::isInitialized(d)); |
| GLvoid *result = d->MapBufferRange(target, offset, length, access); |
| Q_OPENGL_FUNCTIONS_DEBUG |
| return result; |
| } |
| |
| inline GLboolean QOpenGLExtensions::glUnmapBuffer(GLenum target) |
| { |
| Q_D(QOpenGLExtensions); |
| Q_ASSERT(QOpenGLExtensions::isInitialized(d)); |
| GLboolean result = d->UnmapBuffer(target); |
| Q_OPENGL_FUNCTIONS_DEBUG |
| return result; |
| } |
| |
| inline void QOpenGLExtensions::glBlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, |
| GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, |
| GLbitfield mask, GLenum filter) |
| { |
| Q_D(QOpenGLExtensions); |
| Q_ASSERT(QOpenGLExtensions::isInitialized(d)); |
| d->BlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter); |
| Q_OPENGL_FUNCTIONS_DEBUG |
| } |
| |
| inline void QOpenGLExtensions::glRenderbufferStorageMultisample(GLenum target, GLsizei samples, |
| GLenum internalFormat, |
| GLsizei width, GLsizei height) |
| { |
| Q_D(QOpenGLExtensions); |
| Q_ASSERT(QOpenGLExtensions::isInitialized(d)); |
| d->RenderbufferStorageMultisample(target, samples, internalFormat, width, height); |
| Q_OPENGL_FUNCTIONS_DEBUG |
| } |
| |
| 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 |