1 files changed, 135 insertions, 0 deletions
diff --git a/examples/wayland/server-buffer/client/serverbufferrenderer.cpp b/examples/wayland/server-buffer/client/serverbufferrenderer.cpp
new file mode 100644
index 000000000..2f0d204d3
--- /dev/null
+++ b/examples/wayland/server-buffer/client/serverbufferrenderer.cpp
@@ -0,0 +1,135 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "serverbufferrenderer.h"
+
+#include <QtGui/QOpenGLVertexArrayObject>
+#include <QtGui/QOpenGLShaderProgram>
+
+static const GLfloat uv_coords[] = {
+    0,0,
+    0,1,
+    1,0,
+    1,1,
+};
+
+static const GLfloat vertex_coords[] = {
+    -1,-1,0,
+    -1,1,0,
+    1,-1,0,
+    1,1,0,
+};
+
+static const char vertex_shader[] =
+    "attribute vec3 vertexCoord;"
+    "attribute vec2 textureCoord;"
+    "uniform mat4 transform;"
+    "varying mediump vec2 uv;"
+    "void main() {"
+    "   uv = textureCoord;"
+    "   gl_Position = transform * vec4(vertexCoord,1);"
+    "}";
+
+static const char fragment_shader[] =
+    "varying mediump vec2 uv;"
+    "uniform sampler2D textureSampler;"
+    "void main() {"
+    "   gl_FragColor = texture2D(textureSampler, uv);"
+    "}";
+
+ServerBufferRenderer::ServerBufferRenderer(QWaylandServerBuffer *serverBuffer)
+    : QOpenGLFunctions(QOpenGLContext::currentContext())
+    , m_server_buffer(serverBuffer)
+    , m_texture(0)
+    , m_vao(new QOpenGLVertexArrayObject())
+    , m_program(new QOpenGLShaderProgram())
+    , m_vertexbuffer(0)
+    , m_texture_coords(0)
+
+{
+    Q_ASSERT(serverBuffer);
+    if (serverBuffer->userData()) {
+        qWarning("ServerBufferRenderer: Will over QWaylandServerBuffers %p userdata %p", serverBuffer, serverBuffer->userData());
+    }
+    serverBuffer->setUserData(this);
+    m_vao->create();
+    m_vao->bind();
+
+    m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, vertex_shader);
+    m_program->addShaderFromSourceCode(QOpenGLShader::Fragment, fragment_shader);
+    if (!m_program->link()) {
+        qDebug() << m_program->log();
+    }
+
+    glGenTextures(1,&m_texture);
+    glBindTexture(GL_TEXTURE_2D, m_texture);
+    serverBuffer->bindTextureToBuffer();
+
+    glGenBuffers(1, &m_vertexbuffer);
+    glBindBuffer(GL_ARRAY_BUFFER, m_vertexbuffer);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_coords), vertex_coords, GL_STATIC_DRAW);
+    m_program->setAttributeBuffer("vertexCoord", GL_FLOAT, 0, 3, 0);
+
+    glGenBuffers(1, &m_texture_coords);
+    glBindBuffer(GL_ARRAY_BUFFER, m_texture_coords);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(uv_coords), uv_coords, GL_STATIC_DRAW);
+    m_program->setAttributeBuffer("textureCoord", GL_FLOAT, 0, 2, 0);
+
+    m_program->enableAttributeArray("vertexCoord");
+    m_program->enableAttributeArray("textureCoord");
+
+    m_vao->release();
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+void ServerBufferRenderer::render(const QMatrix4x4 &transform)
+{
+    m_vao->bind();
+
+    m_program->bind();
+    m_program->setUniformValue("transform", transform);
+
+    glBindTexture(GL_TEXTURE_2D, m_texture);
+
+    glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+    m_vao->release();
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+}