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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D 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 "quniformvalue_p.h"
#include <Qt3DRender/private/graphicscontext_p.h>
#include <Qt3DRender/private/texture_p.h>
#include <Qt3DCore/private/qframeallocator_p.h>
#include <QOpenGLShaderProgram>
#include <QDebug>
#include <QColor>
#include <QQuaternion>
#include <Qt3DRender/private/renderlogging_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
void QUniformValue::apply(GraphicsContext *ctx, const ShaderUniform &description) const
{
switch (m_type) {
case Value:
ctx->bindUniform(m_var, description);
break;
case TextureSampler:
// We assume that the texture has been successfully bound and attache to a texture unit
if (m_textureIdUnit.m_textureUnit != -1) {
ctx->bindUniform(m_textureIdUnit.m_textureUnit, description);
#if defined(QT3D_RENDER_ASPECT_OPENGL_DEBUG)
int err = ctx->openGLContext()->functions()->glGetError();
if (err) {
qCWarning(Render::Backend, "Error %d after setting uniform \"%s\" at location %d",
err, qUtf8Printable(description.m_name), description.m_location);
}
#endif
} else {
qCWarning(Render::Backend, "Invalid texture unit supplied for \"%s\"",
qUtf8Printable(description.m_nameId));
}
break;
default:
break;
}
}
ShaderParameterPack::~ShaderParameterPack()
{
m_uniforms.clear();
}
void ShaderParameterPack::setUniform(const int glslNameId, const QUniformValue &val)
{
m_uniforms.insert(glslNameId, val);
}
void ShaderParameterPack::setTexture(const int glslNameId, Qt3DCore::QNodeId texId)
{
for (int t=0; t<m_textures.size(); ++t) {
if (m_textures[t].glslNameId != glslNameId)
continue;
m_textures[t].texId = texId;
return;
}
m_textures.append(NamedTexture(glslNameId, texId));
}
// Contains Uniform Block Index and QNodeId of the ShaderData (UBO)
void ShaderParameterPack::setUniformBuffer(const BlockToUBO &blockToUBO)
{
m_uniformBuffers.append(blockToUBO);
}
void ShaderParameterPack::setShaderStorageBuffer(const BlockToSSBO &blockToSSBO)
{
m_shaderStorageBuffers.push_back(blockToSSBO);
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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