diff options
Diffstat (limited to 'src/gui/opengl/qopenglframebufferobject.cpp')
| -rw-r--r-- | src/gui/opengl/qopenglframebufferobject.cpp | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/src/gui/opengl/qopenglframebufferobject.cpp b/src/gui/opengl/qopenglframebufferobject.cpp index 0c05b61e76..16094804c2 100644 --- a/src/gui/opengl/qopenglframebufferobject.cpp +++ b/src/gui/opengl/qopenglframebufferobject.cpp @@ -104,10 +104,18 @@ QT_BEGIN_NAMESPACE #define GL_RGB8 0x8051 #endif +#ifndef GL_RGB10 +#define GL_RGB10 0x8052 +#endif + #ifndef GL_RGBA8 #define GL_RGBA8 0x8058 #endif +#ifndef GL_RGB10_A2 +#define GL_RGB10_A2 0x8059 +#endif + #ifndef GL_BGRA #define GL_BGRA 0x80E1 #endif @@ -116,6 +124,10 @@ QT_BEGIN_NAMESPACE #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367 #endif +#ifndef GL_UNSIGNED_INT_2_10_10_10_REV +#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368 +#endif + /*! \class QOpenGLFramebufferObjectFormat @@ -539,8 +551,12 @@ void QOpenGLFramebufferObjectPrivate::initTexture(GLenum target, GLenum internal funcs.glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); funcs.glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + GLuint pixelType = GL_UNSIGNED_BYTE; + if (internal_format == GL_RGB10_A2 || internal_format == GL_RGB10) + pixelType = GL_UNSIGNED_INT_2_10_10_10_REV; + funcs.glTexImage2D(target, 0, internal_format, size.width(), size.height(), 0, - GL_RGBA, GL_UNSIGNED_BYTE, NULL); + GL_RGBA, pixelType, NULL); if (mipmap) { int width = size.width(); int height = size.height(); @@ -550,7 +566,7 @@ void QOpenGLFramebufferObjectPrivate::initTexture(GLenum target, GLenum internal height = qMax(1, height >> 1); ++level; funcs.glTexImage2D(target, level, internal_format, width, height, 0, - GL_RGBA, GL_UNSIGNED_BYTE, NULL); + GL_RGBA, pixelType, NULL); } } funcs.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, @@ -1142,6 +1158,14 @@ static inline QImage qt_gl_read_framebuffer_rgba8(const QSize &size, bool includ return rgbaImage; } +static inline QImage qt_gl_read_framebuffer_rgb10a2(const QSize &size, bool include_alpha, QOpenGLContext *context) +{ + // We assume OpenGL 1.2+ or ES 3.0+ here. + QImage img(size, include_alpha ? QImage::Format_A2BGR30_Premultiplied : QImage::Format_BGR30); + context->functions()->glReadPixels(0, 0, size.width(), size.height(), GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, img.bits()); + return img; +} + static QImage qt_gl_read_framebuffer(const QSize &size, GLenum internal_format, bool include_alpha, bool flip) { QOpenGLContext *ctx = QOpenGLContext::currentContext(); @@ -1152,6 +1176,10 @@ static QImage qt_gl_read_framebuffer(const QSize &size, GLenum internal_format, case GL_RGB: case GL_RGB8: return qt_gl_read_framebuffer_rgba8(size, false, ctx).mirrored(false, flip); + case GL_RGB10: + return qt_gl_read_framebuffer_rgb10a2(size, false, ctx).mirrored(false, flip); + case GL_RGB10_A2: + return qt_gl_read_framebuffer_rgb10a2(size, include_alpha, ctx).mirrored(false, flip); case GL_RGBA: case GL_RGBA8: default: @@ -1177,7 +1205,8 @@ Q_GUI_EXPORT QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, of QOpenGLPaintDevice::paintFlipped(). Will try to return a premultiplied ARBG32 or RGB32 image. Since 5.2 it will fall back to - a premultiplied RGBA8888 or RGBx8888 image when reading to ARGB32 is not supported. + a premultiplied RGBA8888 or RGBx8888 image when reading to ARGB32 is not supported. Since 5.4 an + A2BGR30 image is returned if the internal format is RGB10_A2. For multisampled framebuffer objects the samples are resolved using the \c{GL_EXT_framebuffer_blit} extension. If the extension is not available, the contents |