Before this change, all framework assets would be decoded at drawing time
outside of zygote. This was forcing all apps to re-decode the assets and
zygote to keep an in-memory copy of each asset. This behavior is now
opt-in by setting the inPurgeable flag on BitmapFactory.Options.
Change-Id: Ic703f57adb26b2a701ecff0a653d35a93e26d47c
This depends on a kernel patch that implements read(2)
in the ashmem driver.
Bug http://b/issue?id=2595601
Change-Id: Ie3b10aa471aada21812b35e63954c1b2f0a7b042
This change also removes the use of SoftReferences for View's
drawing cache.
A bitmap now creates a PhantomReference enqueued in a reference
queue provided by the new Finalizers class. This queue is polled
from a thread started after forking zygote. That thread is in charge
of clearing the references after GC runs and of calling reclaim()
on them. The reclaim() method is now how finalizers are run.
Note that a PhantomReference cannot be kept in the instance it
refers to, which is why they are kept in a separate List.
Change-Id: If3c1a5e9dc23fa49e34857860d730f5cf5ad5926
The makefile variable USE_OPENGL_RENDERER must be set to true to compile
libhwui and the related code in the JNI layer.
This change also removes obsolete APIs from Canvas that must not be used
and would be confusing if left in. These APIs were remnants of our first
attempt at an OpenGL renderer for the view hierarchy and had not been
taken out before Android 1.0 was released.
Change-Id: I2475ff1307212bab26c926724f3c508681c7dae1
Rendering is implementing by rasterizing the paths into A8 textures.
This cna be extremely inefficient if the path changes often.
Change-Id: I609343f304ae38e0d319359403ee73b9b5b3c93a
With this change, Skia shaders can easily be applied to any mesh. This change also
supports ComposeShader. For instance, this can be used to blend a gradient and a
bitmap togehter and paint a string of text with the result.
Change-Id: I701c2f9cf7f89b2ff58005e8a1d0d80ccf4a4aea
This change adds a new DrawLinearGradientProgram class to enable the drawing
of linear gradients. Two new vertex and fragment shaders are introduced,
based on DrawTextureProgram's shaders.
Change-Id: I885afc076bb6cef8cd3962ae21a086fa6a03bf96
The LinearGradient class keeps a copy of the various parameters that
define the gradient. The copies are native arrays to avoid copying
Java arrays on every draw call. The gradient code path is implemented
until OpenGLRenderer::drawRect() (see TODO.) The actual gradient
implementation will be added in a latter change.
Change-Id: I9300d250ef5e2e9c2e097c3116ee71dfc9d752d8
This change also modifies the way the clip is stored. The clip is now
always stored in screen-space coordinates.
Change-Id: I96375784d82dfe975bc6477a159e6866e7052487
This is for better correspondence with the Builder pattern.
See also: Effective Java, 2nd edition.
Change-Id: Iecccd42be49dea2ed8e4b8cc38ce96379cf3c11c
