diff options
Diffstat (limited to 'src/runtimerender/Qt3DSRenderContextCore.cpp')
| -rw-r--r-- | src/runtimerender/Qt3DSRenderContextCore.cpp | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/src/runtimerender/Qt3DSRenderContextCore.cpp b/src/runtimerender/Qt3DSRenderContextCore.cpp index 7c84a5a..b5f9bc9 100644 --- a/src/runtimerender/Qt3DSRenderContextCore.cpp +++ b/src/runtimerender/Qt3DSRenderContextCore.cpp @@ -708,6 +708,12 @@ struct SRenderContext : public IQt3DSRenderContext theClearColor = m_MatteColor; else if (m_SceneColor.hasValue()) theClearColor = m_SceneColor; + //premultiply the clear color + if (theClearColor.w < 1.0f) { + theClearColor.x *= theClearColor.w; + theClearColor.y *= theClearColor.w; + theClearColor.z *= theClearColor.w; + } m_RenderContext->SetClearColor(theClearColor); m_RenderContext->Clear(qt3ds::render::NVRenderClearValues::Color); } @@ -727,7 +733,13 @@ struct SRenderContext : public IQt3DSRenderContext m_RotationDepthBuffer = NULL; } if (m_SceneColor.hasValue() && m_SceneColor.getValue().w != 0.0f) { - m_RenderContext->SetClearColor(m_SceneColor); + QT3DSVec4 theClearColor = m_SceneColor; + if (theClearColor.w < 1.0f) { + theClearColor.x *= theClearColor.w; + theClearColor.y *= theClearColor.w; + theClearColor.z *= theClearColor.w; + } + m_RenderContext->SetClearColor(theClearColor); m_RenderContext->Clear(qt3ds::render::NVRenderClearValues::Color); } } else { @@ -758,7 +770,13 @@ struct SRenderContext : public IQt3DSRenderContext } m_RenderContext->SetRenderTarget(m_RotationFBO); if (m_SceneColor.hasValue()) { - m_RenderContext->SetClearColor(m_SceneColor); + QT3DSVec4 theClearColor = m_SceneColor; + if (theClearColor.w < 1.0f) { + theClearColor.x *= theClearColor.w; + theClearColor.y *= theClearColor.w; + theClearColor.z *= theClearColor.w; + } + m_RenderContext->SetClearColor(theClearColor); m_RenderContext->Clear(qt3ds::render::NVRenderClearValues::Color); } } |