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Diffstat (limited to 'src/render/renderers/opengl/graphicshelpers/graphicshelperes3_1.cpp')
-rw-r--r-- | src/render/renderers/opengl/graphicshelpers/graphicshelperes3_1.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/render/renderers/opengl/graphicshelpers/graphicshelperes3_1.cpp b/src/render/renderers/opengl/graphicshelpers/graphicshelperes3_1.cpp new file mode 100644 index 000000000..135e83aec --- /dev/null +++ b/src/render/renderers/opengl/graphicshelpers/graphicshelperes3_1.cpp @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: http://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 "graphicshelperes3_1_p.h" +#include <private/qgraphicsutils_p.h> +#include <QOpenGLExtraFunctions> + +QT_BEGIN_NAMESPACE + +// ES 3.1+ +#ifndef GL_SAMPLER_2D_MULTISAMPLE +#define GL_SAMPLER_2D_MULTISAMPLE 0x9108 +#endif +#ifndef GL_INT_SAMPLER_2D_MULTISAMPLE +#define GL_INT_SAMPLER_2D_MULTISAMPLE 0x9109 +#endif +#ifndef GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE +#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE 0x910A +#endif + +namespace Qt3DRender { +namespace Render { + +GraphicsHelperES3_1::GraphicsHelperES3_1() +{ +} + +GraphicsHelperES3_1::~GraphicsHelperES3_1() +{ +} + +UniformType GraphicsHelperES3_1::uniformTypeFromGLType(GLenum glType) +{ + switch (glType) { + case GL_SAMPLER_2D_MULTISAMPLE: + case GL_INT_SAMPLER_2D_MULTISAMPLE: + case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE: + return UniformType::Sampler; + + default: + return GraphicsHelperES3::uniformTypeFromGLType(glType); + } +} + +uint GraphicsHelperES3_1::uniformByteSize(const ShaderUniform &description) +{ + uint rawByteSize = 0; + + switch (description.m_type) { + case GL_SAMPLER_2D_MULTISAMPLE: + case GL_INT_SAMPLER_2D_MULTISAMPLE: + case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE: + rawByteSize = 4; + break; + + default: + rawByteSize = GraphicsHelperES3::uniformByteSize(description); + break; + } + + return rawByteSize; +} + +void GraphicsHelperES3_1::buildUniformBuffer(const QVariant &v, const ShaderUniform &description, QByteArray &buffer) +{ + char *bufferData = buffer.data(); + + switch (description.m_type) { + case GL_SAMPLER_2D_MULTISAMPLE: + case GL_INT_SAMPLER_2D_MULTISAMPLE: + case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE: + { + Q_ASSERT(description.m_size == 1); + int value = v.toInt(); + QGraphicsUtils::fillDataArray<GLint>(bufferData, &value, description, 1); + break; + } + + default: + GraphicsHelperES3::buildUniformBuffer(v, description, buffer); + break; + } +} + +} // namespace Render +} // namespace Qt3DRender + +QT_END_NAMESPACE |