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/****************************************************************************
**
** 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 "qsgd3d12material_p.h"
#include <private/qsgrenderer_p.h>
#include "hlsl_vs_vertexcolor.h"
#include "hlsl_ps_vertexcolor.h"
QT_BEGIN_NAMESPACE
QSGD3D12Material::RenderState QSGD3D12Material::makeRenderState(QSGRenderer *renderer, RenderState::DirtyStates dirty)
{
RenderState rs;
rs.m_dirty = dirty;
rs.m_data = renderer;
return rs;
}
float QSGD3D12Material::RenderState::opacity() const
{
Q_ASSERT(m_data);
return static_cast<const QSGRenderer *>(m_data)->currentOpacity();
}
float QSGD3D12Material::RenderState::determinant() const
{
Q_ASSERT(m_data);
return static_cast<const QSGRenderer *>(m_data)->determinant();
}
QMatrix4x4 QSGD3D12Material::RenderState::combinedMatrix() const
{
Q_ASSERT(m_data);
return static_cast<const QSGRenderer *>(m_data)->currentCombinedMatrix();
}
float QSGD3D12Material::RenderState::devicePixelRatio() const
{
Q_ASSERT(m_data);
return static_cast<const QSGRenderer *>(m_data)->devicePixelRatio();
}
QMatrix4x4 QSGD3D12Material::RenderState::modelViewMatrix() const
{
Q_ASSERT(m_data);
return static_cast<const QSGRenderer *>(m_data)->currentModelViewMatrix();
}
QMatrix4x4 QSGD3D12Material::RenderState::projectionMatrix() const
{
Q_ASSERT(m_data);
return static_cast<const QSGRenderer *>(m_data)->currentProjectionMatrix();
}
QRect QSGD3D12Material::RenderState::viewportRect() const
{
Q_ASSERT(m_data);
return static_cast<const QSGRenderer *>(m_data)->viewportRect();
}
QRect QSGD3D12Material::RenderState::deviceRect() const
{
Q_ASSERT(m_data);
return static_cast<const QSGRenderer *>(m_data)->deviceRect();
}
QSGMaterialShader *QSGD3D12Material::createShader() const
{
return nullptr;
}
QSGMaterialType QSGD3D12VertexColorMaterial::mtype;
QSGMaterialType *QSGD3D12VertexColorMaterial::type() const
{
return &QSGD3D12VertexColorMaterial::mtype;
}
int QSGD3D12VertexColorMaterial::compare(const QSGMaterial *other) const
{
Q_ASSERT(other && type() == other->type());
// As the vertex color material has all its state in the vertex attributes
// defined by the geometry, all such materials will be equal.
return 0;
}
static const int VERTEX_COLOR_CB_SIZE_0 = 16 * sizeof(float); // float4x4
static const int VERTEX_COLOR_CB_SIZE_1 = sizeof(float); // float
static const int VERTEX_COLOR_CB_SIZE = VERTEX_COLOR_CB_SIZE_0 + VERTEX_COLOR_CB_SIZE_1;
int QSGD3D12VertexColorMaterial::constantBufferSize() const
{
return QSGD3D12Engine::alignedConstantBufferSize(VERTEX_COLOR_CB_SIZE);
}
void QSGD3D12VertexColorMaterial::preparePipeline(QSGD3D12ShaderState *shaders)
{
shaders->vs = g_VS_VertexColor;
shaders->vsSize = sizeof(g_VS_VertexColor);
shaders->ps = g_PS_VertexColor;
shaders->psSize = sizeof(g_PS_VertexColor);
}
QSGD3D12Material::UpdateResults QSGD3D12VertexColorMaterial::updatePipeline(const RenderState &state,
QSGD3D12ShaderState *,
quint8 *constantBuffer)
{
QSGD3D12Material::UpdateResults r = 0;
quint8 *p = constantBuffer;
if (state.isMatrixDirty()) {
memcpy(p, state.combinedMatrix().constData(), VERTEX_COLOR_CB_SIZE_0);
r |= UpdatedConstantBuffer;
}
p += VERTEX_COLOR_CB_SIZE_0;
if (state.isOpacityDirty()) {
const float opacity = state.opacity();
memcpy(p, &opacity, VERTEX_COLOR_CB_SIZE_1);
r |= UpdatedConstantBuffer;
}
return r;
}
QT_END_NAMESPACE
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