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Diffstat (limited to 'src/plugins/platforms/kms/qkmsbackingstore.cpp')
-rw-r--r--src/plugins/platforms/kms/qkmsbackingstore.cpp217
1 files changed, 0 insertions, 217 deletions
diff --git a/src/plugins/platforms/kms/qkmsbackingstore.cpp b/src/plugins/platforms/kms/qkmsbackingstore.cpp
deleted file mode 100644
index 6e5a3f9192..0000000000
--- a/src/plugins/platforms/kms/qkmsbackingstore.cpp
+++ /dev/null
@@ -1,217 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL21$
-** 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 http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://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 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qkmsbackingstore.h"
-
-#include <QtGui/QOpenGLContext>
-#include <QtGui/QOpenGLShaderProgram>
-#include <QtGui/QScreen>
-
-QT_BEGIN_NAMESPACE
-
-QKmsBackingStore::QKmsBackingStore(QWindow *window)
- : QPlatformBackingStore(window)
- , m_context(new QOpenGLContext)
- , m_texture(0)
- , m_program(0)
- , m_initialized(false)
-{
- m_context->setFormat(window->requestedFormat());
- m_context->setScreen(window->screen());
- m_context->create();
-}
-
-QKmsBackingStore::~QKmsBackingStore()
-{
- delete m_program;
- if (m_texture)
- glDeleteTextures(1, &m_texture);
-
- delete m_context;
-}
-
-QPaintDevice *QKmsBackingStore::paintDevice()
-{
- return &m_image;
-}
-
-void QKmsBackingStore::beginPaint(const QRegion &rgn)
-{
- m_dirty |= rgn;
-}
-
-void QKmsBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)
-{
- Q_UNUSED(region)
- Q_UNUSED(offset)
-
- m_context->makeCurrent(window);
-
- if (!m_initialized) {
- initializeOpenGLFunctions();
- m_initialized = true;
- }
-
- if (!m_program) {
- static const char *textureVertexProgram =
- "attribute highp vec2 vertexCoordEntry;\n"
- "attribute highp vec2 textureCoordEntry;\n"
- "varying highp vec2 textureCoord;\n"
- "void main() {\n"
- " textureCoord = textureCoordEntry;\n"
- " gl_Position = vec4(vertexCoordEntry, 0.0, 1.0);\n"
- "}\n";
-
- static const char *textureFragmentProgram =
- "uniform sampler2D texture;\n"
- "varying highp vec2 textureCoord;\n"
- "void main() {\n"
- " gl_FragColor = texture2D(texture, textureCoord).bgra;\n"
- "}\n";
-
- m_program = new QOpenGLShaderProgram;
-
- m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, textureVertexProgram);
- m_program->addShaderFromSourceCode(QOpenGLShader::Fragment, textureFragmentProgram);
- m_program->bindAttributeLocation("vertexCoordEntry", 0);
- m_program->bindAttributeLocation("textureCoordEntry", 1);
- m_program->link();
- }
-
- m_program->bind();
-
- QRectF r = window->geometry();
- QRectF sr = window->screen()->geometry();
-
- GLfloat x1 = (r.left() / sr.width()) * 2 - 1;
- GLfloat x2 = (r.right() / sr.width()) * 2 - 1;
- GLfloat y1 = -1 * ((r.top() / sr.height()) * 2 - 1);
- GLfloat y2 = -1 * ((r.bottom() / sr.height()) * 2 - 1);
-
- const GLfloat vertexCoordinates[] = {
- x1, y1,
- x2, y1,
- x2, y2,
- x1, y2
- };
-
- const GLfloat textureCoordinates[] = {
- 0, 0,
- 1, 0,
- 1, 1,
- 0, 1
- };
-
- glEnableVertexAttribArray(0);
- glEnableVertexAttribArray(1);
-
- glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinates);
- glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinates);
-
- glBindTexture(GL_TEXTURE_2D, m_texture);
-
- if (!m_dirty.isNull()) {
- QRect imageRect = m_image.rect();
- QRegion fixed;
- Q_FOREACH (const QRect &rect, m_dirty.rects()) {
- // intersect with image rect to be sure
- QRect r = imageRect & rect;
- // if the rect is wide enough it's cheaper to just
- // extend it instead of doing an image copy
- if (r.width() >= imageRect.width() / 2) {
- r.setX(0);
- r.setWidth(imageRect.width());
- }
- fixed |= r;
- }
-
- Q_FOREACH (const QRect &rect, fixed.rects()) {
- // if the sub-rect is full-width we can pass the image data directly to
- // OpenGL instead of copying, since there's no gap between scanlines
- if (rect.width() == imageRect.width()) {
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, rect.y(),
- rect.width(), rect.height(),
- GL_RGBA, GL_UNSIGNED_BYTE,
- m_image.constScanLine(rect.y()));
- } else {
- glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x(), rect.y(),
- rect.width(), rect.height(),
- GL_RGBA, GL_UNSIGNED_BYTE,
- m_image.copy(rect).constBits());
- }
- }
-
- m_dirty = QRegion();
- }
-
- glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
- m_program->release();
- glBindTexture(GL_TEXTURE_2D, 0);
- glDisableVertexAttribArray(0);
- glDisableVertexAttribArray(1);
-
- m_context->swapBuffers(window);
-
- m_context->doneCurrent();
-}
-
-void QKmsBackingStore::resize(const QSize &size, const QRegion &staticContents)
-{
- Q_UNUSED(staticContents)
-
- m_image = QImage(size, QImage::Format_RGB32);
-
- m_context->makeCurrent(window());
-
- if (!m_initialized) {
- initializeOpenGLFunctions();
- m_initialized = true;
- }
-
- if (m_texture)
- glDeleteTextures(1, &m_texture);
-
- glGenTextures(1, &m_texture);
- glBindTexture(GL_TEXTURE_2D, m_texture);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(),
- 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
-
-}
-
-QT_END_NAMESPACE
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