Fix gpu drawBitmap to work when BM is A8 and we have a shader

Fix gpu drawBitmap to work when BM is A8 and we have a shader

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/79da63fa0bec40b560597c79c2e1231fa51aef36

[egdaniel, 2015-10-09 16:00:59]

egdaniel@google.com changed reviewers:
+ bsalomon@google.com

[bsalomon, 2015-10-09 17:07:09]

https://codereview.chromium.org/1399763002/diff/1/src/gpu/SkGpuDevice.cpp
File src/gpu/SkGpuDevice.cpp (right):

https://codereview.chromium.org/1399763002/diff/1/src/gpu/SkGpuDevice.cpp#new...
src/gpu/SkGpuDevice.cpp:1306: if (kAlpha_8_SkColorType == bitmap.colorType() &&
paint.getShader()) {
Could use a comment here

https://codereview.chromium.org/1399763002/diff/1/src/gpu/SkGpuDevice.cpp#new...
src/gpu/SkGpuDevice.cpp:1360: const GrFragmentProcessor* fpSeries[] = {
shaderFP.get(), fp.get() };
if (!shaderFP) { return }

[egdaniel, 2015-10-09 17:20:26]

https://codereview.chromium.org/1399763002/diff/1/src/gpu/SkGpuDevice.cpp
File src/gpu/SkGpuDevice.cpp (right):

https://codereview.chromium.org/1399763002/diff/1/src/gpu/SkGpuDevice.cpp#new...
src/gpu/SkGpuDevice.cpp:1306: if (kAlpha_8_SkColorType == bitmap.colorType() &&
paint.getShader()) {
On 2015/10/09 17:07:09, bsalomon wrote:
> Could use a comment here

Done.

https://codereview.chromium.org/1399763002/diff/1/src/gpu/SkGpuDevice.cpp#new...
src/gpu/SkGpuDevice.cpp:1360: const GrFragmentProcessor* fpSeries[] = {
shaderFP.get(), fp.get() };
On 2015/10/09 17:07:09, bsalomon wrote:
> if (!shaderFP) { return }

Done.

[bsalomon, 2015-10-09 17:23:20]

lgtm

[egdaniel, 2015-10-09 17:48:12]

The CQ bit was checked by egdaniel@google.com

[commit-bot: I haz the power, 2015-10-09 17:48:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1399763002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1399763002/40001

[commit-bot: I haz the power, 2015-10-09 17:55:21]

Committed patchset #3 (id:40001) as
https://skia.googlesource.com/skia/+/79da63fa0bec40b560597c79c2e1231fa51aef36