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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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qopenglframebufferobject.cpp File Reference

(abdf62f63e5a5cc26c950933831049229efd74a3)

#include "qopenglframebufferobject.h"
#include "qopenglframebufferobject_p.h"
#include <qdebug.h>
#include <private/qopengl_p.h>
#include <private/qopenglcontext_p.h>
#include <private/qopenglextensions_p.h>
#include <private/qfont_p.h>
#include <qwindow.h>
#include <qimage.h>
#include <QtCore/qbytearray.h>
#include <qtopengl_tracepoints_p.h>
Include dependency graph for qopenglframebufferobject.cpp:

Go to the source code of this file.

Macros

#define QT_RESET_GLERROR()
#define QT_CHECK_GLERROR()
#define GL_MAX_SAMPLES   0x8D57
#define GL_RENDERBUFFER_SAMPLES   0x8CAB
#define GL_DEPTH24_STENCIL8   0x88F0
#define GL_DEPTH_COMPONENT24   0x81A6
#define GL_DEPTH_COMPONENT24_OES   0x81A6
#define GL_READ_FRAMEBUFFER   0x8CA8
#define GL_DRAW_FRAMEBUFFER   0x8CA9
#define GL_RGB8   0x8051
#define GL_RGB10   0x8052
#define GL_RGB16   0x8054
#define GL_RGBA8   0x8058
#define GL_RGB10_A2   0x8059
#define GL_RGBA16   0x805B
#define GL_BGRA   0x80E1
#define GL_UNSIGNED_INT_8_8_8_8_REV   0x8367
#define GL_UNSIGNED_INT_2_10_10_10_REV   0x8368
#define GL_CONTEXT_LOST   0x0507
#define GL_DEPTH_STENCIL_ATTACHMENT   0x821A
#define GL_DEPTH_STENCIL   0x84F9
#define GL_HALF_FLOAT   0x140B
#define GL_RGBA32F   0x8814
#define GL_RGB32F   0x8815
#define GL_RGBA16F   0x881A
#define GL_RGB16F   0x881B

Functions

QT_BEGIN_NAMESPACE Q_TRACE_PREFIX (qtopengl, "#include <private/qopengl2pexvertexarray_p.h>" "#include <private/qopengltextureuploader_p.h>" "#include <qopenglframebufferobject.h>")
 Q_TRACE_PARAM_REPLACE (GLenum, int)
 Q_TRACE_PARAM_REPLACE (GLint, int)
 Q_TRACE_METADATA (qtopengl, "ENUM { } QOpenGLFramebufferObject::Attachment; ")
void Q_TRACE_INSTRUMENT (qtopengl) QOpenGLFramebufferObjectPrivate
static GLenum effectiveInternalFormat (GLenum internalFormat)
static QImage qt_gl_read_framebuffer_rgba8 (const QSize &size, bool include_alpha, QOpenGLContext *context)
static QImage qt_gl_read_framebuffer_rgb10a2 (const QSize &size, bool include_alpha, QOpenGLContext *context)
static QImage qt_gl_read_framebuffer_rgba16 (const QSize &size, bool include_alpha, QOpenGLContext *context)
static QImage qt_gl_read_framebuffer_rgba16f (const QSize &size, bool include_alpha, QOpenGLContext *context)
static QImage qt_gl_read_framebuffer_rgba32f (const QSize &size, bool include_alpha, QOpenGLContext *context)
static QImage qt_gl_read_framebuffer (const QSize &size, GLenum internal_format, bool include_alpha, bool flip)
Q_OPENGL_EXPORT QImage qt_gl_read_framebuffer (const QSize &size, bool alpha_format, bool include_alpha)

Macro Definition Documentation

◆ GL_BGRA

#define GL_BGRA   0x80E1

Definition at line 106 of file qopenglframebufferobject.cpp.

◆ GL_CONTEXT_LOST

#define GL_CONTEXT_LOST   0x0507

Definition at line 118 of file qopenglframebufferobject.cpp.

◆ GL_DEPTH24_STENCIL8

#define GL_DEPTH24_STENCIL8   0x88F0

Definition at line 62 of file qopenglframebufferobject.cpp.

◆ GL_DEPTH_COMPONENT24

#define GL_DEPTH_COMPONENT24   0x81A6

Definition at line 66 of file qopenglframebufferobject.cpp.

◆ GL_DEPTH_COMPONENT24_OES

#define GL_DEPTH_COMPONENT24_OES   0x81A6

Definition at line 70 of file qopenglframebufferobject.cpp.

◆ GL_DEPTH_STENCIL

#define GL_DEPTH_STENCIL   0x84F9

Definition at line 126 of file qopenglframebufferobject.cpp.

◆ GL_DEPTH_STENCIL_ATTACHMENT

#define GL_DEPTH_STENCIL_ATTACHMENT   0x821A

Definition at line 122 of file qopenglframebufferobject.cpp.

◆ GL_DRAW_FRAMEBUFFER

#define GL_DRAW_FRAMEBUFFER   0x8CA9

Definition at line 78 of file qopenglframebufferobject.cpp.

◆ GL_HALF_FLOAT

#define GL_HALF_FLOAT   0x140B

Definition at line 130 of file qopenglframebufferobject.cpp.

◆ GL_MAX_SAMPLES

#define GL_MAX_SAMPLES   0x8D57

Definition at line 54 of file qopenglframebufferobject.cpp.

◆ GL_READ_FRAMEBUFFER

#define GL_READ_FRAMEBUFFER   0x8CA8

Definition at line 74 of file qopenglframebufferobject.cpp.

◆ GL_RENDERBUFFER_SAMPLES

#define GL_RENDERBUFFER_SAMPLES   0x8CAB

Definition at line 58 of file qopenglframebufferobject.cpp.

◆ GL_RGB10

#define GL_RGB10   0x8052

Definition at line 86 of file qopenglframebufferobject.cpp.

◆ GL_RGB10_A2

#define GL_RGB10_A2   0x8059

Definition at line 98 of file qopenglframebufferobject.cpp.

◆ GL_RGB16

#define GL_RGB16   0x8054

Definition at line 90 of file qopenglframebufferobject.cpp.

◆ GL_RGB16F

#define GL_RGB16F   0x881B

Definition at line 146 of file qopenglframebufferobject.cpp.

◆ GL_RGB32F

#define GL_RGB32F   0x8815

Definition at line 138 of file qopenglframebufferobject.cpp.

◆ GL_RGB8

#define GL_RGB8   0x8051

Definition at line 82 of file qopenglframebufferobject.cpp.

◆ GL_RGBA16

#define GL_RGBA16   0x805B

Definition at line 102 of file qopenglframebufferobject.cpp.

◆ GL_RGBA16F

#define GL_RGBA16F   0x881A

Definition at line 142 of file qopenglframebufferobject.cpp.

◆ GL_RGBA32F

#define GL_RGBA32F   0x8814

Definition at line 134 of file qopenglframebufferobject.cpp.

◆ GL_RGBA8

#define GL_RGBA8   0x8058

Definition at line 94 of file qopenglframebufferobject.cpp.

◆ GL_UNSIGNED_INT_2_10_10_10_REV

#define GL_UNSIGNED_INT_2_10_10_10_REV   0x8368

Definition at line 114 of file qopenglframebufferobject.cpp.

◆ GL_UNSIGNED_INT_8_8_8_8_REV

#define GL_UNSIGNED_INT_8_8_8_8_REV   0x8367

Definition at line 110 of file qopenglframebufferobject.cpp.

◆ QT_CHECK_GLERROR

#define QT_CHECK_GLERROR ( )
Value:
{ \
GLenum err = QOpenGLContext::currentContext()->functions()->glGetError(); \
if (err != GL_NO_ERROR && err != GL_CONTEXT_LOST) { \
qDebug("[%s line %d] OpenGL Error: %d", \
__FILE__, __LINE__, (int)err); \
} \
}
QOpenGLContext::currentContext
static QOpenGLContext * currentContext()
Returns the last context which called makeCurrent in the current thread, or \nullptr,...
Definition qopenglcontext.cpp:229
QOpenGLContext::functions
QOpenGLFunctions * functions() const
Get the QOpenGLFunctions instance for this context.
Definition qopenglcontext.cpp:535
QOpenGLFunctions::glGetError
GLenum glGetError()
Convenience function that calls glGetError().
Definition qopenglfunctions.h:791
GL_CONTEXT_LOST
#define GL_CONTEXT_LOST
Definition qopengl.cpp:30
GLenum
typedef GLenum(GL_APIENTRYP PFNGLGETGRAPHICSRESETSTATUSKHRPROC)(void)

Definition at line 40 of file qopenglframebufferobject.cpp.

◆ QT_RESET_GLERROR

#define QT_RESET_GLERROR ( )
Value:
{ \
while (true) {\
GLenum error = QOpenGLContext::currentContext()->functions()->glGetError(); \
if (error == GL_NO_ERROR || error == GL_CONTEXT_LOST) \
break; \
} \
}
error
DBusConnection const char DBusError * error
Definition qdbus_symbols_p.h:166

Definition at line 32 of file qopenglframebufferobject.cpp.

Function Documentation

◆ effectiveInternalFormat()

GLenum effectiveInternalFormat ( GLenum internalFormat)
inlinestatic

Definition at line 890 of file qopenglframebufferobject.cpp.

◆ Q_TRACE_INSTRUMENT()

void Q_TRACE_INSTRUMENT ( qtopengl )

Definition at line 465 of file qopenglframebufferobject.cpp.

◆ Q_TRACE_METADATA()

Q_TRACE_METADATA ( qtopengl ,
"ENUM { } QOpenGLFramebufferObject::Attachment; "  )

◆ Q_TRACE_PARAM_REPLACE() [1/2]

Q_TRACE_PARAM_REPLACE ( GLenum ,
int  )

◆ Q_TRACE_PARAM_REPLACE() [2/2]

Q_TRACE_PARAM_REPLACE ( GLint ,
int  )

◆ Q_TRACE_PREFIX()

QT_BEGIN_NAMESPACE Q_TRACE_PREFIX ( qtopengl ,
"#include <private/qopengl2pexvertexarray_p.h>" "#include <private/qopengltextureuploader_p.h>" "#include <qopenglframebufferobject.h>"  )

◆ qt_gl_read_framebuffer() [1/2]

Q_GUI_EXPORT QImage qt_gl_read_framebuffer ( const QSize & size,
bool alpha_format,
bool include_alpha )

Definition at line 1452 of file qopenglframebufferobject.cpp.

◆ qt_gl_read_framebuffer() [2/2]

QImage qt_gl_read_framebuffer ( const QSize & size,
GLenum internal_format,
bool include_alpha,
bool flip )
static

Definition at line 1413 of file qopenglframebufferobject.cpp.

◆ qt_gl_read_framebuffer_rgb10a2()

QImage qt_gl_read_framebuffer_rgb10a2 ( const QSize & size,
bool include_alpha,
QOpenGLContext * context )
inlinestatic

Definition at line 1378 of file qopenglframebufferobject.cpp.

◆ qt_gl_read_framebuffer_rgba16()

QImage qt_gl_read_framebuffer_rgba16 ( const QSize & size,
bool include_alpha,
QOpenGLContext * context )
inlinestatic

Definition at line 1387 of file qopenglframebufferobject.cpp.

◆ qt_gl_read_framebuffer_rgba16f()

QImage qt_gl_read_framebuffer_rgba16f ( const QSize & size,
bool include_alpha,
QOpenGLContext * context )
inlinestatic

Definition at line 1396 of file qopenglframebufferobject.cpp.

◆ qt_gl_read_framebuffer_rgba32f()

QImage qt_gl_read_framebuffer_rgba32f ( const QSize & size,
bool include_alpha,
QOpenGLContext * context )
inlinestatic

Definition at line 1405 of file qopenglframebufferobject.cpp.

◆ qt_gl_read_framebuffer_rgba8()

QImage qt_gl_read_framebuffer_rgba8 ( const QSize & size,
bool include_alpha,
QOpenGLContext * context )
inlinestatic

Definition at line 1354 of file qopenglframebufferobject.cpp.