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| ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
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| ** This file is part of the Qt3D module of the Qt Toolkit. |
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| |
| #include "gbuffer.h" |
| |
| GBuffer::GBuffer(Qt3DCore::QNode *parent) |
| : Qt3DRender::QRenderTarget(parent) |
| { |
| const Qt3DRender::QAbstractTexture::TextureFormat formats[AttachmentsCount] = { |
| Qt3DRender::QAbstractTexture::RGBA32F, |
| // We use RGBA32F for the following two instead of a more fitting format because |
| // OpenGL vendors might not support other formats |
| Qt3DRender::QAbstractTexture::RGBA32F, |
| Qt3DRender::QAbstractTexture::RGBA32F, |
| Qt3DRender::QAbstractTexture::D32F |
| }; |
| |
| const Qt3DRender::QRenderTargetOutput::AttachmentPoint attachmentPoints[AttachmentsCount] = { |
| Qt3DRender::QRenderTargetOutput::Color0, |
| Qt3DRender::QRenderTargetOutput::Color1, |
| Qt3DRender::QRenderTargetOutput::Color2, |
| Qt3DRender::QRenderTargetOutput::Depth |
| }; |
| |
| for (int i = 0; i < AttachmentsCount; i++) { |
| Qt3DRender::QRenderTargetOutput *output = new Qt3DRender::QRenderTargetOutput(this); |
| |
| m_textures[i] = new Qt3DRender::QTexture2D(); |
| m_textures[i]->setFormat(formats[i]); |
| m_textures[i]->setWidth(1024); |
| m_textures[i]->setHeight(1024); |
| m_textures[i]->setGenerateMipMaps(false); |
| m_textures[i]->setWrapMode(Qt3DRender::QTextureWrapMode(Qt3DRender::QTextureWrapMode::ClampToEdge)); |
| m_textures[i]->setMinificationFilter(Qt3DRender::QAbstractTexture::Linear); |
| m_textures[i]->setMagnificationFilter(Qt3DRender::QAbstractTexture::Linear); |
| |
| output->setTexture(m_textures[i]); |
| output->setAttachmentPoint(attachmentPoints[i]); |
| addOutput(output); |
| } |
| } |
| |
| Qt3DRender::QAbstractTexture *GBuffer::colorTexture() const |
| { |
| return m_textures[Color]; |
| } |
| |
| Qt3DRender::QAbstractTexture *GBuffer::positionTexture() const |
| { |
| return m_textures[Position]; |
| } |
| |
| Qt3DRender::QAbstractTexture *GBuffer::normalTexture() const |
| { |
| return m_textures[Normal]; |
| } |
| |
| Qt3DRender::QAbstractTexture *GBuffer::depthTexture() const |
| { |
| return m_textures[Depth]; |
| } |