qopenglframebufferobject.cpp File Reference

#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 105 of file qopenglframebufferobject.cpp.

GL_CONTEXT_LOST

#define GL_CONTEXT_LOST   0x0507

Definition at line 117 of file qopenglframebufferobject.cpp.

GL_DEPTH24_STENCIL8

#define GL_DEPTH24_STENCIL8   0x88F0

Definition at line 61 of file qopenglframebufferobject.cpp.

GL_DEPTH_COMPONENT24

#define GL_DEPTH_COMPONENT24   0x81A6

Definition at line 65 of file qopenglframebufferobject.cpp.

GL_DEPTH_COMPONENT24_OES

#define GL_DEPTH_COMPONENT24_OES   0x81A6

Definition at line 69 of file qopenglframebufferobject.cpp.

GL_DEPTH_STENCIL

#define GL_DEPTH_STENCIL   0x84F9

Definition at line 125 of file qopenglframebufferobject.cpp.

GL_DEPTH_STENCIL_ATTACHMENT

#define GL_DEPTH_STENCIL_ATTACHMENT   0x821A

Definition at line 121 of file qopenglframebufferobject.cpp.

GL_DRAW_FRAMEBUFFER

#define GL_DRAW_FRAMEBUFFER   0x8CA9

Definition at line 77 of file qopenglframebufferobject.cpp.

GL_HALF_FLOAT

#define GL_HALF_FLOAT   0x140B

Definition at line 129 of file qopenglframebufferobject.cpp.

GL_MAX_SAMPLES

#define GL_MAX_SAMPLES   0x8D57

Definition at line 53 of file qopenglframebufferobject.cpp.

GL_READ_FRAMEBUFFER

#define GL_READ_FRAMEBUFFER   0x8CA8

Definition at line 73 of file qopenglframebufferobject.cpp.

GL_RENDERBUFFER_SAMPLES

#define GL_RENDERBUFFER_SAMPLES   0x8CAB

Definition at line 57 of file qopenglframebufferobject.cpp.

GL_RGB10

#define GL_RGB10   0x8052

Definition at line 85 of file qopenglframebufferobject.cpp.

GL_RGB10_A2

#define GL_RGB10_A2   0x8059

Definition at line 97 of file qopenglframebufferobject.cpp.

GL_RGB16

#define GL_RGB16   0x8054

Definition at line 89 of file qopenglframebufferobject.cpp.

GL_RGB16F

#define GL_RGB16F   0x881B

Definition at line 145 of file qopenglframebufferobject.cpp.

GL_RGB32F

#define GL_RGB32F   0x8815

Definition at line 137 of file qopenglframebufferobject.cpp.

GL_RGB8

#define GL_RGB8   0x8051

Definition at line 81 of file qopenglframebufferobject.cpp.

GL_RGBA16

#define GL_RGBA16   0x805B

Definition at line 101 of file qopenglframebufferobject.cpp.

GL_RGBA16F

#define GL_RGBA16F   0x881A

Definition at line 141 of file qopenglframebufferobject.cpp.

GL_RGBA32F

#define GL_RGBA32F   0x8814

Definition at line 133 of file qopenglframebufferobject.cpp.

GL_RGBA8

#define GL_RGBA8   0x8058

Definition at line 93 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 113 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 109 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);             \
    }                                                     \
}

Definition at line 39 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; \
    } \
}

Definition at line 31 of file qopenglframebufferobject.cpp.

Function Documentation

effectiveInternalFormat()

static GLenum effectiveInternalFormat ( GLenum  internalFormat )

inlinestatic

Definition at line 875 of file qopenglframebufferobject.cpp.

References QOpenGLContext::currentContext(), GL_RGBA, GL_RGBA8, and QOpenGLContext::isOpenGLES().

Referenced by QOpenGLFramebufferObject::QOpenGLFramebufferObject(), QOpenGLFramebufferObject::QOpenGLFramebufferObject(), QOpenGLFramebufferObject::QOpenGLFramebufferObject(), and QOpenGLFramebufferObject::addColorAttachment().

Here is the call graph for this function:

Here is the caller graph for this function:

Q_TRACE_INSTRUMENT()

void Q_TRACE_INSTRUMENT

(

qtopengl

)

Definition at line 464 of file qopenglframebufferobject.cpp.

References QOpenGLFramebufferObjectPrivate::colorAttachments, QOpenGLContext::currentContext(), QOpenGLFramebufferObjectPrivate::dsSize, QOpenGLFramebufferObjectPrivate::fbo(), QOpenGLFramebufferObjectPrivate::fbo_guard, QOpenGLExtensions::FramebufferBlit, QOpenGLExtensions::FramebufferMultisample, QOpenGLFunctions::Framebuffers, QOpenGLFramebufferObjectPrivate::funcs, QOpenGLContextPrivate::get(), GL_FRAMEBUFFER, GL_MAX_SAMPLES, QOpenGLFunctions::glBindFramebuffer(), QOpenGLFunctions::glDeleteFramebuffers(), QOpenGLFunctions::glGenFramebuffers(), QOpenGLFunctions::glGetIntegerv(), GLint(), GLuint, QOpenGLExtensions::hasOpenGLExtension(), QOpenGLFunctions::hasOpenGLFeature(), QOpenGLFramebufferObjectPrivate::initColorBuffer(), QOpenGLFramebufferObjectPrivate::initDepthStencilAttachments(), QOpenGLFunctions::initializeOpenGLFunctions(), QOpenGLFramebufferObjectPrivate::initTexture(), Q_TRACE_SCOPE, Q_UNUSED, qBound(), QOpenGLContextPrivate::qgl_current_fbo_invalid, qMax(), QT_CHECK_GLERROR, QT_RESET_GLERROR, QOpenGLFramebufferObjectPrivate::requestedSamples, and QOpenGLFramebufferObjectPrivate::valid.

Here is the call graph for this function:

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

Definition at line 1436 of file qopenglframebufferobject.cpp.

References GL_RGBA, and qt_gl_read_framebuffer().

Here is the call graph for this function:

qt_gl_read_framebuffer() [2/2]

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

static

Definition at line 1398 of file qopenglframebufferobject.cpp.

References QOpenGLContext::currentContext(), error, funcs, GL_CONTEXT_LOST, GL_RGB10, GL_RGB10_A2, GL_RGB16, GL_RGB16F, GL_RGB32F, GL_RGB8, GL_RGBA, GL_RGBA16, GL_RGBA16F, GL_RGBA32F, GL_RGBA8, GLenum(), QImage::mirrored(), qt_gl_read_framebuffer_rgb10a2(), qt_gl_read_framebuffer_rgba16(), qt_gl_read_framebuffer_rgba16f(), qt_gl_read_framebuffer_rgba32f(), and qt_gl_read_framebuffer_rgba8().

Referenced by QOpenGLWindow::grabFramebuffer(), QOpenGLWidgetPrivate::grabFramebuffer(), qt_gl_read_framebuffer(), and QOpenGLFramebufferObject::toImage().

Here is the call graph for this function:

Here is the caller graph for this function:

qt_gl_read_framebuffer_rgb10a2()

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

inlinestatic

Definition at line 1363 of file qopenglframebufferobject.cpp.

References context, QImage::Format_A2BGR30_Premultiplied, QImage::Format_BGR30, GL_RGBA, and GL_UNSIGNED_INT_2_10_10_10_REV.

Referenced by qt_gl_read_framebuffer().

Here is the caller graph for this function:

qt_gl_read_framebuffer_rgba16()

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

inlinestatic

Definition at line 1372 of file qopenglframebufferobject.cpp.

References context, QImage::Format_RGBA64_Premultiplied, QImage::Format_RGBX64, and GL_RGBA.

Referenced by qt_gl_read_framebuffer().

Here is the caller graph for this function:

qt_gl_read_framebuffer_rgba16f()

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

inlinestatic

Definition at line 1381 of file qopenglframebufferobject.cpp.

References context, QImage::Format_RGBA16FPx4_Premultiplied, QImage::Format_RGBX16FPx4, GL_HALF_FLOAT, and GL_RGBA.

Referenced by qt_gl_read_framebuffer().

Here is the caller graph for this function:

qt_gl_read_framebuffer_rgba32f()

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

inlinestatic

Definition at line 1390 of file qopenglframebufferobject.cpp.

References context, QImage::Format_RGBA32FPx4_Premultiplied, QImage::Format_RGBX32FPx4, GL_FLOAT, and GL_RGBA.

Referenced by qt_gl_read_framebuffer().

Here is the caller graph for this function:

qt_gl_read_framebuffer_rgba8()

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

inlinestatic

Definition at line 1339 of file qopenglframebufferobject.cpp.

References QImage::bits(), context, QImage::Format_ARGB32_Premultiplied, QImage::Format_RGB32, QImage::Format_RGBA8888_Premultiplied, QImage::Format_RGBX8888, funcs, GL_BGRA, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT_8_8_8_8_REV, and QImage::isNull().

Referenced by qt_gl_read_framebuffer().

Here is the call graph for this function:

Here is the caller graph for this function: