Split build scripts to support standard and slow-gpu variants

Usually we do not change the framework, but recent Android-12 UI changes
made some of the devices unusable. Let's patch AOSP for such devices
and ship releases patched to give our users better use experience.

Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
Change-Id: I907a825e38122779279b7b6a6be4457c63badf9d

.ci/Makefile

@@ -2,19 +2,19 @@ SHELL = bash
 
 VARIANT := userdebug
 
-TARGETS :=     \
-    pinephonepro\
+TARGETS_STANDARD += \
+    pinephonepro    \
+    opi4            \
+    rpi4            \
+
+TARGETS_SLOWGPU :=  \
+    opi3       \
     pinephone  \
     pinetab    \
-    opi3       \
-    opi4       \
-    rpi4       \
     opi_win    \
     opi_pc2    \
     opi_prime  \
     opi_pc     \
-
-TARGETS +=     \
     opi_plus2  \
     opi_plus2e \
 
@@ -52,6 +52,21 @@ $(AOSP_PATH)/out_images/gd-$$(VER)-$1-$2.tar.gz: $(AOSP_PATH)/out_images/gd-$$(V
 
 endef
 
+TARGETS := $(TARGETS_STANDARD) $(TARGETS_SLOWGPU)
 $(foreach target,$(TARGETS),$(eval $(call process-target,$(target),$(VARIANT))))
 
-build_all: $(foreach target,$(TARGETS),$(AOSP_PATH)/out_images/gd-$(VER)-$(target)-$(VARIANT).tar.gz ) ## Build all GloDroid targets, put images into <AOSP tree>/out_images/...
+build_standard: $(foreach target,$(TARGETS_STANDARD),$(AOSP_PATH)/out_images/gd-$(VER)-$(target)-$(VARIANT).tar.gz ) ## Build all standard GloDroid targets, put images into <AOSP tree>/out_images/...
+
+build_slowgpu: $(foreach target,$(TARGETS_SLOWGPU),$(AOSP_PATH)/out_images/gd-$(VER)-$(target)-$(VARIANT).tar.gz ) ## Build all slow-gpu GloDroid targets, put images into <AOSP tree>/out_images/...
+
+patch_slowgpu: ## Patch the framework to reduce load on slow GPU
+	cd $(AOSP_PATH)/frameworks/base
+	git fetch https://android.googlesource.com/platform/frameworks/base refs/changes/33/2121633/1 && git cherry-pick FETCH_HEAD --allow-empty --keep-redundant-commits
+	git fetch https://android.googlesource.com/platform/frameworks/base refs/changes/52/2123752/1 && git cherry-pick FETCH_HEAD --allow-empty --keep-redundant-commits
+	cd $(AOSP_PATH)/frameworks/native
+	git fetch https://android.googlesource.com/platform/frameworks/native refs/changes/73/2123073/1 && git cherry-pick FETCH_HEAD --allow-empty --keep-redundant-commits
+
+unpatch_slowgpu: ## Restore the framework code after the patching
+	cd $(AOSP_PATH)
+	repo sync -l frameworks/base
+	repo sync -l frameworks/native

.docker/Dockerfile

@@ -59,4 +59,6 @@ USER ${RUN_USER}
 # Install repo
 RUN wget -P ${USER_HOME}/bin http://commondatastorage.googleapis.com/git-repo-downloads/repo && chmod a+x ${USER_HOME}/bin/repo
 
+RUN git config --global user.name "FIRST_NAME LAST_NAME" && git config --global user.email "MY_NAME@example.com"
+
 CMD [ "/bin/bash" ]

.docker/Makefile

@@ -37,4 +37,7 @@ build_all: ## Build all targets within a container (for CI purposes)
 	make clean
 	make build
 	make run `cd ../../.. && pwd`
-	$(docker_bin) exec -it $(image_name) bash -c "cd .repo/manifests/.ci && make build_all"
+	$(docker_bin) exec -it $(image_name) bash -c "cd .repo/manifests/.ci && make unpatch_slowgpu"
+	$(docker_bin) exec -it $(image_name) bash -c "cd .repo/manifests/.ci && make build_standard"
+	$(docker_bin) exec -it $(image_name) bash -c "cd .repo/manifests/.ci && make patch_slowgpu"
+	$(docker_bin) exec -it $(image_name) bash -c "cd .repo/manifests/.ci && make build_slowgpu"