This class can be used to perform occlusion queries. An occlusion query
can be used to test whether an object is entirely hidden or not.
Change-Id: Ida456df81dbe008a64d3ff4cb7879340785c6abf
Bug #9316260
The GL specification indicates that deleting a bound texture has
the side effect of binding the default texture (name=0). This change
replaces all calls to glDeleteTextures() by Caches::deleteTexture()
to properly keep track of texture bindings.
Change-Id: Ifbc60ef433e0f9776a668dd5bd5f0adbc65a77a0
Float textures offer better precision for dithering.
In addition this change removes two uniforms from gradient shaders.
These uniforms were used to dither gradients but their value is
a build time constant. Instead we hardcode the value directly in
the shader source at compile time.
Change-Id: I05e9fd3eef93771843bbd91b453274452dfaefee
Bug #7146141
This change is needed to add a render buffer cache to avoid
creating and destroying stencil buffers on every frame.
This change also allows the renderer to use a 1 bit or 4 bit
stencil buffer whenever possible.
Finally this change fixes a bug introduced by a previous CL
which causes the stencil buffer to not be updated in certain
conditions. The fix relies on a new optional parameter in
drawColorRects() that can be used to avoid performing a
quickReject on rectangles generated by the clip region.
Change-Id: I2f55a8e807009887b276a83cde9f53fd5c01199f
Bug #7728929
The uninitialized variable was taken into account to compute
the hash of gradient cache entries, thus causing cache corruptions
and sometimes infinite loops (it would also cause the cache to fill
up.)
Change-Id: Ic807a9bf901888b121a6a781a81dafc33075ed2a
this introduced a dead lock in GradientCache's ctor.
This reverts commit dfe082f63e94cde9aee271c94d13de5e7217e036.
Bug: 7096001
Change-Id: I57b8bbab11fb7cb502fa58e3bbf5d19864db874f
Compute the size of the backing textures based on the maximum possible
number of shades in the gradient.
Change-Id: I2d7f20477d31b81e9735f2c1d83ebdd0dbcbe340
This change sets textures filtering to GL_NEAREST by default. GL_LINEAR
filtering is only used when textures are transformed with a scale or
a rotation. This helps save a couple of fps on some GPUs.
Change-Id: I1efaa452c2c79905f00238e54d886a37203a2ac1
Bug #3179882
Resources were freed following garbage collections on a worker thread.
This worker thread had no EGL context, which would cause the renderer
to incorrectly assume that the memory was liberated.
Change-Id: Ifdb51f94ddf42641e8654522787bfac532976c7c
When an app tries to render a bitmap or path larger than the GPU's maximum
texture size, the drawing command is ignored and a warning is logged. This
change also makes texture drawing more robust by catching potential errors
during texture creation.
This change also fixes a crash in the FontRenderer. The destructor would
sometimes try to free an uninitialized array.
Change-Id: I95ae0939c52192d97b340aa02417bf6d0c962c57
