Add Dissolve blend composite mode to stackIPNode with UI controls #940
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This commit implements a new dissolve blend composite mode for OpenRV's stack compositor with full UI integration and real-time controls. Features: - Dissolve blend mode in StackIPNode for 2-input compositing - GPU shader implementation (Dissolve2.glsl) with configurable dissolve amount - UI slider and text input controls in Session Manager - Real-time dissolve amount adjustment (0.0 to 1.0 range) - Immediate UI updates when switching between composite modes Technical Implementation: - StackIPNode.cpp: Added dissolve mode support with m_dissolveAmount property - ShaderCommon.cpp: Implemented newDissolveBlend() function for GPU shader management - Dissolve2.glsl: GLSL shader for hardware-accelerated dissolve blending - composite.ui: Added QSlider and QLineEdit controls for dissolve amount - Composite_edit_mode.mu: Enhanced with slider integration and UI synchronization - CMakeLists.txt: Updated build configuration for dissolve shader compilation Tested on macOS with existing OpenRV build system. UI controls properly show/hide when switching composite modes, and dissolve blending works correctly with 2-input stacks. Signed-off-by: nigel sumner <nigelsumner@mac.com>
nigelsumner
requested review from
bernie-laberge,
cedrik-fuoco-adsk and
eloisebrosseau
as code owners
pbergeron-adsk
approved these changes
Oct 10, 2025
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Add dissolve blend composite mode with UI controls
This PR implements a new dissolve blend composite mode for OpenRV's stack compositor with full UI integration and real-time controls.
OpenRV_dissolveBlend.mov
Features Added
Dissolve2.glsl) with configurable amountTechnical Implementation
Core Implementation
StackIPNode.cpp: Added dissolve mode support withm_dissolveAmountpropertyStackIPNode.h: Added property declaration for dissolve amount controlShaderCommon.cpp/.h: ImplementednewDissolveBlend()function for GPU shader managementGPU Shaders
Dissolve2.glsl: GLSL shader for hardware-accelerated dissolve blendingUI Integration
composite.ui: AddedQSliderandQLineEditcontrols for dissolve amountComposite_edit_mode.mu: Enhanced with slider integration and UI synchronizationBuild System
CMakeLists.txt: Updated build configuration for dissolve shader compilationTesting
Usage