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/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) 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.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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#ifndef QT3DS_RENDER_EXAMPLE_TOOLS_H
#define QT3DS_RENDER_EXAMPLE_TOOLS_H
#include "Qt3DSRenderExample.h"
namespace qt3ds {
namespace render {
class NVRenderExampleTools
{
public:
static const char *getSimpleVertShader()
{
return "uniform mat4 mat_mvp;\n"
"attribute vec3 attr_pos; // Vertex pos\n"
"attribute vec3 attr_norm; // Vertex pos\n"
"attribute vec2 attr_uv; // UV coords\n"
"varying vec4 color_to_add;\n"
"varying vec2 uv_coords;\n"
"void main()\n"
"{\n"
"gl_Position = mat_mvp * vec4(attr_pos, 1.0);\n"
"color_to_add.xyz = attr_norm * attr_norm;\n"
"color_to_add.a = 1.0;\n"
"uv_coords = attr_uv;\n"
"}\n";
}
static const char *getSimpleFragShader()
{
return "precision mediump sampler2D;\n"
"precision mediump float;\n"
"varying vec4 color_to_add;\n"
"void main()\n"
"{\n"
"gl_FragColor=color_to_add;\n"
"}\n";
}
static const char *getSimpleFragShaderTex()
{
return "precision mediump sampler2D;\n"
"precision mediump float;\n"
"uniform sampler2D image0;\n"
"varying vec2 uv_coords;\n"
"void main()\n"
"{\n"
"gl_FragColor=vec4(texture2D( image0, uv_coords ).xyz, 1.0 );\n"
"}\n";
}
static void createBox(NVRenderContext &context, NVRenderVertexBuffer *&outVertexBuffer,
NVRenderIndexBuffer *&outIndexBuffer, bool releaseMemory = true);
static NVRenderVertFragShader *createSimpleShader(NVRenderContext &context);
static NVRenderVertFragShader *createSimpleShaderTex(NVRenderContext &context);
};
}
}
#endif
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