diff options
Diffstat (limited to 'src/opengl/qgl.cpp')
| -rw-r--r-- | src/opengl/qgl.cpp | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp index 8ee0a8b290..b1fbe2ac71 100644 --- a/src/opengl/qgl.cpp +++ b/src/opengl/qgl.cpp @@ -2308,10 +2308,18 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G QImage::Format target_format = img.format(); bool premul = options & QGLContext::PremultipliedAlphaBindOption; + bool needsbyteswap = true; GLenum externalFormat; GLuint pixel_type; - if (qgl_extensions()->hasOpenGLExtension(QOpenGLExtensions::BGRATextureFormat)) { + if (target_format == QImage::Format_RGBA8888 + || target_format == QImage::Format_RGBA8888_Premultiplied + || target_format == QImage::Format_RGBX8888) { + externalFormat = GL_RGBA; + pixel_type = GL_UNSIGNED_BYTE; + needsbyteswap = false; + } else if (qgl_extensions()->hasOpenGLExtension(QOpenGLExtensions::BGRATextureFormat)) { externalFormat = GL_BGRA; + needsbyteswap = false; if (QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_2) pixel_type = GL_UNSIGNED_INT_8_8_8_8_REV; else @@ -2338,14 +2346,34 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G #endif } break; + case QImage::Format_RGBA8888: + if (premul) { + img = img.convertToFormat(target_format = QImage::Format_RGBA8888_Premultiplied); +#ifdef QGL_BIND_TEXTURE_DEBUG + printf(" - converted RGBA8888 -> RGBA8888_Premultiplied (%d ms) \n", time.elapsed()); +#endif + } + break; + case QImage::Format_RGBA8888_Premultiplied: + if (!premul) { + img = img.convertToFormat(target_format = QImage::Format_RGBA8888); +#ifdef QGL_BIND_TEXTURE_DEBUG + printf(" - converted RGBA8888_Premultiplied -> RGBA8888 (%d ms) \n", time.elapsed()); +#endif + } + break; case QImage::Format_RGB16: pixel_type = GL_UNSIGNED_SHORT_5_6_5; externalFormat = GL_RGB; internalFormat = GL_RGB; + needsbyteswap = false; break; case QImage::Format_RGB32: + case QImage::Format_RGBX8888: break; default: + // Ideally more formats would be converted directly to an RGBA8888 format, + // but we are only guaranteed to have a fast conversion to an ARGB format. if (img.hasAlphaChannel()) { img = img.convertToFormat(premul ? QImage::Format_ARGB32_Premultiplied @@ -2383,10 +2411,10 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G #endif } - if (externalFormat == GL_RGBA) { + if (needsbyteswap) { // The only case where we end up with a depth different from - // 32 in the switch above is for the RGB16 case, where we set - // the format to GL_RGB + // 32 in the switch above is for the RGB16 case, where we do + // not need a byteswap. Q_ASSERT(img.depth() == 32); qgl_byteSwapImage(img, pixel_type); #ifdef QGL_BIND_TEXTURE_DEBUG @@ -3013,7 +3041,7 @@ bool QGLContext::areSharing(const QGLContext *context1, const QGLContext *contex If this context is a valid context in an overlay plane, returns the plane's transparent color. Otherwise returns an \l{QColor::isValid()}{invalid} color. - The returned color's \l{QColor::pixel()}{pixel} value is + The returned color's \l{QColormap::pixel()}{pixel} value is the index of the transparent color in the colormap of the overlay plane. (Naturally, the color's RGB values are meaningless.) |