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Diffstat (limited to 'src/render/Qt3DSRenderTextureCube.cpp')
-rw-r--r-- | src/render/Qt3DSRenderTextureCube.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/render/Qt3DSRenderTextureCube.cpp b/src/render/Qt3DSRenderTextureCube.cpp new file mode 100644 index 0000000..0919daf --- /dev/null +++ b/src/render/Qt3DSRenderTextureCube.cpp @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Copyright (C) 2014 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "foundation/Qt3DSAllocator.h" +#include "foundation/Qt3DSFoundation.h" +#include "foundation/Qt3DSBroadcastingAllocator.h" +#include "foundation/Qt3DSAtomic.h" +#include "EASTL/vector.h" +#include "render/Qt3DSRenderContext.h" +#include "render/Qt3DSRenderSampler.h" +#include "render/Qt3DSRenderTextureCube.h" +#include "foundation/Qt3DSDataRef.h" + +namespace qt3ds { +namespace render { + + NVRenderTextureCube::NVRenderTextureCube(NVRenderContextImpl &context, NVFoundationBase &fnd, + NVRenderTextureTargetType::Enum texTarget) + : NVRenderTextureBase(context, fnd, texTarget) + , m_Width(0) + , m_Height(0) + { + } + + NVRenderTextureCube::~NVRenderTextureCube() { m_Context.TextureDestroyed(*this); } + + void NVRenderTextureCube::SetTextureData(NVDataRef<QT3DSU8> newBuffer, QT3DSU8 inMipLevel, + NVRenderTextureCubeFaces::Enum inFace, QT3DSU32 width, + QT3DSU32 height, NVRenderTextureFormats::Enum format) + { + QT3DS_ASSERT(m_TextureHandle); + QT3DS_ASSERT(inFace != NVRenderTextureCubeFaces::InvalidFace); + + if (inMipLevel == 0) { + m_Width = width; + m_Height = height; + m_Format = format; + m_MaxMipLevel = inMipLevel; + } + + if (m_MaxMipLevel < inMipLevel) { + m_MaxMipLevel = inMipLevel; + } + + // get max size and check value + QT3DSI32 theMaxSize; + m_Backend->GetRenderBackendValue(NVRenderBackend::NVRenderBackendQuery::MaxTextureSize, + &theMaxSize); + if (width > (QT3DSU32)theMaxSize || height > (QT3DSU32)theMaxSize) { + qCCritical(INVALID_OPERATION, "Width or height is greater than max texture size (%d, %d)", + theMaxSize, theMaxSize); + } + + NVRenderTextureTargetType::Enum outTarget = + static_cast<NVRenderTextureTargetType::Enum>((int)m_TexTarget + (int)inFace); + if (NVRenderTextureFormats::isUncompressedTextureFormat(format) + || NVRenderTextureFormats::isDepthTextureFormat(format)) { + m_Backend->SetTextureDataCubeFace(m_TextureHandle, outTarget, inMipLevel, format, width, + height, 0, format, newBuffer.begin()); + } else if (NVRenderTextureFormats::isCompressedTextureFormat(format)) { + m_Backend->SetCompressedTextureDataCubeFace(m_TextureHandle, outTarget, inMipLevel, + format, width, height, 0, newBuffer.size(), + newBuffer.begin()); + } + + // Set our texture parameters to a default that will look the best + if (inMipLevel > 0) + SetMinFilter(NVRenderTextureMinifyingOp::LinearMipmapLinear); + } + + STextureDetails NVRenderTextureCube::GetTextureDetails() const + { + return STextureDetails(m_Width, m_Height, 6, m_SampleCount, m_Format); + } + + void NVRenderTextureCube::Bind() + { + m_TextureUnit = m_Context.GetNextTextureUnit(); + + m_Backend->BindTexture(m_TextureHandle, m_TexTarget, m_TextureUnit); + + applyTexParams(); + applyTexSwizzle(); + } + + NVRenderTextureCube *NVRenderTextureCube::Create(NVRenderContextImpl &context) + { + return QT3DS_NEW(context.GetFoundation().getAllocator(), + NVRenderTextureCube)(context, context.GetFoundation()); + } +} +} |