diff options
Diffstat (limited to 'src/plugins/scenegraph/d3d12/qsgd3d12glyphcache.cpp')
| -rw-r--r-- | src/plugins/scenegraph/d3d12/qsgd3d12glyphcache.cpp | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/src/plugins/scenegraph/d3d12/qsgd3d12glyphcache.cpp b/src/plugins/scenegraph/d3d12/qsgd3d12glyphcache.cpp deleted file mode 100644 index 915917c3d5..0000000000 --- a/src/plugins/scenegraph/d3d12/qsgd3d12glyphcache.cpp +++ /dev/null @@ -1,197 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQuick module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qsgd3d12glyphcache_p.h" -#include "qsgd3d12engine_p.h" - -QT_BEGIN_NAMESPACE - -// Convert A8 glyphs to 32-bit in the engine. This is here to work around -// QTBUG-55330 for AMD cards. -// If removing, textmask.hlsl must be adjusted! (.a -> .r) -#define ALWAYS_32BIT - -// NOTE: Avoid categorized logging. It is slow. - -#define DECLARE_DEBUG_VAR(variable) \ - static bool debug_ ## variable() \ - { static bool value = qgetenv("QSG_RENDERER_DEBUG").contains(QT_STRINGIFY(variable)); return value; } - -DECLARE_DEBUG_VAR(render) - -QSGD3D12GlyphCache::QSGD3D12GlyphCache(QSGD3D12Engine *engine, QFontEngine::GlyphFormat format, const QTransform &matrix) - : QTextureGlyphCache(format, matrix), - m_engine(engine) -{ -} - -QSGD3D12GlyphCache::~QSGD3D12GlyphCache() -{ - if (m_id) - m_engine->releaseTexture(m_id); -} - -void QSGD3D12GlyphCache::createTextureData(int width, int height) -{ - width = qMax(128, width); - height = qMax(32, height); - - m_id = m_engine->genTexture(); - Q_ASSERT(m_id); - - if (Q_UNLIKELY(debug_render())) - qDebug("new glyph cache texture %u of size %dx%d, fontengine format %d", m_id, width, height, m_format); - - m_size = QSize(width, height); - - const QImage::Format imageFormat = - m_format == QFontEngine::Format_A8 ? QImage::Format_Alpha8 : QImage::Format_ARGB32_Premultiplied; - m_engine->createTexture(m_id, m_size, imageFormat, QSGD3D12Engine::TextureWithAlpha -#ifdef ALWAYS_32BIT - | QSGD3D12Engine::TextureAlways32Bit -#endif - ); -} - -void QSGD3D12GlyphCache::resizeTextureData(int width, int height) -{ - width = qMax(128, width); - height = qMax(32, height); - - if (m_size.width() >= width && m_size.height() >= height) - return; - - if (Q_UNLIKELY(debug_render())) - qDebug("glyph cache texture %u resize to %dx%d", m_id, width, height); - - m_size = QSize(width, height); - - m_engine->queueTextureResize(m_id, m_size); -} - -void QSGD3D12GlyphCache::beginFillTexture() -{ - Q_ASSERT(m_glyphImages.isEmpty() && m_glyphPos.isEmpty()); -} - -void QSGD3D12GlyphCache::fillTexture(const Coord &c, glyph_t glyph, QFixed subPixelPosition) -{ - QImage mask = textureMapForGlyph(glyph, subPixelPosition); - const int maskWidth = mask.width(); - const int maskHeight = mask.height(); - - if (mask.format() == QImage::Format_Mono) { - mask = mask.convertToFormat(QImage::Format_Indexed8); - for (int y = 0; y < maskHeight; ++y) { - uchar *src = mask.scanLine(y); - for (int x = 0; x < maskWidth; ++x) - src[x] = -src[x]; // convert 0 and 1 into 0 and 255 - } - } else if (mask.depth() == 32) { - if (mask.format() == QImage::Format_RGB32) { - // We need to make the alpha component equal to the average of the RGB values. - // This is needed when drawing sub-pixel antialiased text on translucent targets. - for (int y = 0; y < maskHeight; ++y) { - QRgb *src = reinterpret_cast<QRgb *>(mask.scanLine(y)); - for (int x = 0; x < maskWidth; ++x) { - const int r = qRed(src[x]); - const int g = qGreen(src[x]); - const int b = qBlue(src[x]); - int avg; - if (mask.format() == QImage::Format_RGB32) - avg = (r + g + b + 1) / 3; // "+1" for rounding. - else // Format_ARGB32_Premultiplied - avg = qAlpha(src[x]); - src[x] = qRgba(r, g, b, avg); - } - } - } - } - - m_glyphImages.append(mask); - m_glyphPos.append(QPoint(c.x, c.y)); -} - -void QSGD3D12GlyphCache::endFillTexture() -{ - if (m_glyphImages.isEmpty()) - return; - - Q_ASSERT(m_id); - - m_engine->queueTextureUpload(m_id, m_glyphImages, m_glyphPos -#ifdef ALWAYS_32BIT - , QSGD3D12Engine::TextureUploadAlways32Bit -#endif - ); - - // Nothing else left to do, it is up to the text material to call - // useTexture() which will then add the texture dependency to the frame. - - m_glyphImages.clear(); - m_glyphPos.clear(); -} - -int QSGD3D12GlyphCache::glyphPadding() const -{ - return 1; -} - -int QSGD3D12GlyphCache::maxTextureWidth() const -{ - return 16384; -} - -int QSGD3D12GlyphCache::maxTextureHeight() const -{ - return 16384; -} - -void QSGD3D12GlyphCache::useTexture() -{ - if (m_id) - m_engine->useTexture(m_id); -} - -QSize QSGD3D12GlyphCache::currentSize() const -{ - return m_size; -} - -QT_END_NAMESPACE |