diff options
author | Miikka Heikkinen <miikka.heikkinen@qt.io> | 2019-06-03 14:00:07 +0300 |
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committer | Miikka Heikkinen <miikka.heikkinen@qt.io> | 2019-06-03 14:01:18 +0300 |
commit | 01cfc8025119609803b3fc00b1e8ca5bc56e84d0 (patch) | |
tree | c41480bbb06377f3a79d13c465a53435cccb9de4 /src/Runtime/ogl-runtime/src/render/Qt3DSRenderStorageBuffer.cpp | |
parent | c36739204786bd90df6e2ef5a8be78c980240bdd (diff) | |
parent | 089d283afb8cde5024e60c29eeeeefc5c3c80543 (diff) |
Merge branch '2.4'
Change-Id: Ib7de8e52a477c06599ced87bb973a5abd25549c4
Diffstat (limited to 'src/Runtime/ogl-runtime/src/render/Qt3DSRenderStorageBuffer.cpp')
-rw-r--r-- | src/Runtime/ogl-runtime/src/render/Qt3DSRenderStorageBuffer.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/Runtime/ogl-runtime/src/render/Qt3DSRenderStorageBuffer.cpp b/src/Runtime/ogl-runtime/src/render/Qt3DSRenderStorageBuffer.cpp new file mode 100644 index 00000000..ab632189 --- /dev/null +++ b/src/Runtime/ogl-runtime/src/render/Qt3DSRenderStorageBuffer.cpp @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "render/Qt3DSRenderStorageBuffer.h" +#include "render/Qt3DSRenderContext.h" +#include "render/Qt3DSRenderShaderProgram.h" + +namespace qt3ds { +namespace render { + + NVRenderStorageBuffer::NVRenderStorageBuffer(NVRenderContextImpl &context, + CRegisteredString bufferName, size_t size, + NVRenderBufferUsageType::Enum usageType, + NVDataRef<QT3DSU8> data, NVRenderDataBuffer *pBuffer) + : NVRenderDataBuffer(context, context.GetFoundation(), size, + NVRenderBufferBindValues::Storage, usageType, data) + , m_Name(bufferName) + , m_WrappedBuffer(pBuffer) + , m_Dirty(true) + { + QT3DS_ASSERT(context.IsStorageBufferSupported()); + + if (pBuffer) + pBuffer->addRef(); + } + + NVRenderStorageBuffer::~NVRenderStorageBuffer() + { + if (m_WrappedBuffer) + m_WrappedBuffer->release(); + + m_Context.BufferDestroyed(*this); + } + + void NVRenderStorageBuffer::Bind() + { + if (m_Mapped) { + qCCritical(INVALID_OPERATION, "Attempting to Bind a locked buffer"); + QT3DS_ASSERT(false); + } + + if (m_WrappedBuffer) + m_WrappedBuffer->Bind(); + else + m_Backend->BindBuffer(m_BufferHandle, m_BindFlags); + } + + void NVRenderStorageBuffer::BindToShaderProgram(QT3DSU32 index) + { + m_Backend->ProgramSetStorageBuffer( + index, (m_WrappedBuffer) ? m_WrappedBuffer->GetBuffertHandle() : m_BufferHandle); + } + + void NVRenderStorageBuffer::Update() + { + // we only update the buffer if it is dirty and we actually have some data + if (m_Dirty && m_BufferData.size()) { + m_Backend->UpdateBuffer(m_BufferHandle, m_BindFlags, m_BufferData.size(), m_UsageType, + m_BufferData.begin()); + m_Dirty = false; + } + } + + void NVRenderStorageBuffer::UpdateData(QT3DSI32 offset, NVDataRef<QT3DSU8> data) + { + // we only update the buffer if it is not just a wrapper + if (!m_WrappedBuffer) + m_Backend->UpdateBuffer(m_BufferHandle, m_BindFlags, data.size(), m_UsageType, + data.begin() + offset); + } + + NVRenderStorageBuffer * + NVRenderStorageBuffer::Create(NVRenderContextImpl &context, const char *bufferName, + NVRenderBufferUsageType::Enum usageType, size_t size, + NVConstDataRef<QT3DSU8> bufferData, NVRenderDataBuffer *pBuffer) + { + NVFoundationBase &fnd(context.GetFoundation()); + NVRenderStorageBuffer *retval = NULL; + + if (context.IsStorageBufferSupported()) { + CRegisteredString theBufferName(context.GetStringTable().RegisterStr(bufferName)); + QT3DSU32 cbufSize = sizeof(NVRenderStorageBuffer); + QT3DSU8 *newMem = (QT3DSU8 *)QT3DS_ALLOC(fnd.getAllocator(), cbufSize, "StorageBuffer"); + retval = new (newMem) NVRenderStorageBuffer( + context, theBufferName, size, usageType, + toDataRef(const_cast<QT3DSU8 *>(bufferData.begin()), bufferData.size()), pBuffer); + } else { + QString errorMsg = QObject::tr("Shader storage buffers are not supported: %1") + .arg(bufferName); + qCCritical(INVALID_OPERATION) << errorMsg; + QT3DS_ALWAYS_ASSERT_MESSAGE(errorMsg.toUtf8()); + } + return retval; + } +} +} |