// EXTERNAL INCLUDES
#include <sstream>
#include <iomanip>
+#include <dali/public-api/animation/constraints.h>
+#include <dali/public-api/common/stage.h>
+#include <dali/public-api/object/type-registry.h>
+#include <dali/public-api/render-tasks/render-task-list.h>
+#include <dali/integration-api/debug.h>
// INTERNAL INCLUDES
#include <dali-toolkit/public-api/controls/gaussian-blur-view/gaussian-blur-view.h>
-#include <dali/integration-api/debug.h>
-
// TODO:
// pixel format / size - set from JSON
// aspect ratio property needs to be able to be constrained also for cameras, not possible currently. Therefore changing aspect ratio of GaussianBlurView won't currently work
const float ARBITRARY_FIELD_OF_VIEW = Math::PI / 4.0f;
const char* const GAUSSIAN_BLUR_FRAGMENT_SOURCE =
- "uniform vec2 uSampleOffsets[NUM_SAMPLES];\n"
- "uniform float uSampleWeights[NUM_SAMPLES];\n"
+ "uniform mediump vec2 uSampleOffsets[NUM_SAMPLES];\n"
+ "uniform mediump float uSampleWeights[NUM_SAMPLES];\n"
"void main()\n"
"{\n"
bool blurUserImage)
: Control( CONTROL_BEHAVIOUR_NONE )
, mNumSamples(numSamples)
+ , mBlurBellCurveWidth( 0.001f )
, mPixelFormat(renderTargetPixelFormat)
, mDownsampleWidthScale(downsampleWidthScale)
, mDownsampleHeightScale(downsampleHeightScale)
, mDownsampledWidth( 0.0f )
, mDownsampledHeight( 0.0f )
, mBlurUserImage( blurUserImage )
+ , mRenderOnce( false )
, mBackgroundColor( Color::BLACK )
, mTargetSize(Vector2::ZERO)
, mLastSize(Vector2::ZERO)
{
// root actor to parent all user added actors, needed to allow us to set that subtree as exclusive for our child render task
mChildrenRoot.SetParentOrigin(ParentOrigin::CENTER);
- mChildrenRoot.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) ); // same size as GaussianBlurView object
-
//////////////////////////////////////////////////////
// Create shaders
{
mImageActorComposite = ImageActor::New();
mImageActorComposite.SetParentOrigin(ParentOrigin::CENTER);
- mImageActorComposite.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) ); // same size as GaussianBlurView object
mImageActorComposite.ScaleBy( Vector3(1.0f, -1.0f, 1.0f) ); // FIXME
mImageActorComposite.SetOpacity(GAUSSIAN_BLUR_VIEW_DEFAULT_BLUR_STRENGTH); // ensure alpha is enabled for this object and set default value
// Create an ImageActor for holding final result, i.e. the blurred image. This will get rendered to screen later, via default / user render task
mTargetActor = ImageActor::New();
mTargetActor.SetParentOrigin(ParentOrigin::CENTER);
- mTargetActor.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) ); // same size as GaussianBlurView object
mTargetActor.ScaleBy( Vector3(1.0f, -1.0f, 1.0f) ); // FIXME
{
mTargetSize = Vector2(targetSize);
+ mChildrenRoot.SetSize(targetSize);
+
+ if( !mBlurUserImage )
+ {
+ mImageActorComposite.SetSize(targetSize);
+ mTargetActor.SetSize(targetSize);
+
+ // Children render camera must move when GaussianBlurView object is resized. This is since we cannot change render target size - so we need to remap the child actors' rendering
+ // accordingly so they still exactly fill the render target. Note that this means the effective resolution of the child render changes as the GaussianBlurView object changes
+ // size, this is the trade off for not being able to modify render target size
+ // Change camera z position based on GaussianBlurView actor height
+ float cameraPosConstraintScale = 0.5f / tanf(ARBITRARY_FIELD_OF_VIEW * 0.5f);
+ mRenderFullSizeCamera.SetZ(mTargetSize.height * cameraPosConstraintScale);
+ }
+
+
// if we are already on stage, need to update render target sizes now to reflect the new size of this actor
if(Self().OnStage())
{
float cameraPosConstraintScale = 0.5f / tanf(ARBITRARY_FIELD_OF_VIEW * 0.5f);
mRenderFullSizeCamera.SetPosition(0.0f, 0.0f, mTargetSize.height * cameraPosConstraintScale);
- // Children render camera must move when GaussianBlurView object is resized. This is since we cannot change render target size - so we need to remap the child actors' rendering
- // accordingly so they still exactly fill the render target. Note that this means the effective resolution of the child render changes as the GaussianBlurView object changes
- // size, this is the trade off for not being able to modify render target size
- // Change camera z position based on GaussianBlurView actor height
- mRenderFullSizeCamera.RemoveConstraints();
- mRenderFullSizeCamera.ApplyConstraint( Constraint::New<Vector3>( Actor::POSITION, ParentSource( Actor::SIZE ), ZrelativeToYconstraint(cameraPosConstraintScale) ) );
-
// create offscreen buffer of new size to render our child actors to
mRenderTargetForRenderingChildren = FrameBufferImage::New( mTargetSize.width, mTargetSize.height, mPixelFormat, Dali::Image::Unused );