diff options
Diffstat (limited to 'src/quick/scenegraph/compressedtexture/qsgcompressedatlastexture.cpp')
-rw-r--r-- | src/quick/scenegraph/compressedtexture/qsgcompressedatlastexture.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/quick/scenegraph/compressedtexture/qsgcompressedatlastexture.cpp b/src/quick/scenegraph/compressedtexture/qsgcompressedatlastexture.cpp index d3dc4978f2..46b2c6386c 100644 --- a/src/quick/scenegraph/compressedtexture/qsgcompressedatlastexture.cpp +++ b/src/quick/scenegraph/compressedtexture/qsgcompressedatlastexture.cpp @@ -88,10 +88,20 @@ Texture *Atlas::create(const QByteArray &data, int dataLength, int dataOffset, c void Atlas::generateTexture() { + int bytesPerBlock = 8; + switch (m_format) { + case QOpenGLTexture::RGBA8_ETC2_EAC: + case QOpenGLTexture::RGBA_DXT3: + case QOpenGLTexture::RGBA_DXT5: + bytesPerBlock = 16; + default: + break; + } + QOpenGLFunctions *funcs = QOpenGLContext::currentContext()->functions(); funcs->glCompressedTexImage2D(GL_TEXTURE_2D, 0, m_format, m_size.width(), m_size.height(), 0, - (m_size.width() * m_size.height()) / 2, + (m_size.width() / 4 * m_size.height() / 4) * bytesPerBlock, nullptr); } |