[Graphics] Add setLayerColorTransform.
This patch adds HAL API to set per-layer color transformation with a 4x4
matrix. Given a 4x4 matrix, the matrix will be applied on the current layer
before composition.
BUG: 111562338
Test: Build, flash and boot, run VtsHalGraphicsComposerV2_3TargetTest
Change-Id: I673cfc2745d35947107dcab19f383ba5a8067605
diff --git a/graphics/composer/2.3/utils/command-buffer/Android.bp b/graphics/composer/2.3/utils/command-buffer/Android.bp
new file mode 100644
index 0000000..c48fe7a
--- /dev/null
+++ b/graphics/composer/2.3/utils/command-buffer/Android.bp
@@ -0,0 +1,15 @@
+cc_library_headers {
+ name: "android.hardware.graphics.composer@2.3-command-buffer",
+ defaults: ["hidl_defaults"],
+ vendor_available: true,
+ shared_libs: [
+ "android.hardware.graphics.composer@2.1",
+ "android.hardware.graphics.composer@2.2",
+ "android.hardware.graphics.composer@2.3",
+ ],
+ header_libs: [
+ "android.hardware.graphics.composer@2.1-command-buffer",
+ "android.hardware.graphics.composer@2.2-command-buffer",
+ ],
+ export_include_dirs: ["include"],
+}
diff --git a/graphics/composer/2.3/utils/command-buffer/include/composer-command-buffer/2.3/ComposerCommandBuffer.h b/graphics/composer/2.3/utils/command-buffer/include/composer-command-buffer/2.3/ComposerCommandBuffer.h
new file mode 100644
index 0000000..3f7b2c9
--- /dev/null
+++ b/graphics/composer/2.3/utils/command-buffer/include/composer-command-buffer/2.3/ComposerCommandBuffer.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#ifndef LOG_TAG
+#warn "ComposerCommandBuffer.h included without LOG_TAG"
+#endif
+
+#undef LOG_NDEBUG
+#define LOG_NDEBUG 0
+
+#include <android/hardware/graphics/composer/2.3/IComposer.h>
+#include <android/hardware/graphics/composer/2.3/IComposerClient.h>
+#include <composer-command-buffer/2.2/ComposerCommandBuffer.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace composer {
+namespace V2_3 {
+
+using android::hardware::MessageQueue;
+using android::hardware::graphics::composer::V2_1::Error;
+using android::hardware::graphics::composer::V2_1::IComposerCallback;
+using android::hardware::graphics::composer::V2_1::Layer;
+using android::hardware::graphics::composer::V2_3::IComposerClient;
+
+// This class helps build a command queue. Note that all sizes/lengths are in
+// units of uint32_t's.
+class CommandWriterBase : public V2_2::CommandWriterBase {
+ public:
+ CommandWriterBase(uint32_t initialMaxSize) : V2_2::CommandWriterBase(initialMaxSize) {}
+
+ static constexpr uint16_t kSetLayerColorTransformLength = 16;
+ void setLayerColorTransform(const float* matrix) {
+ beginCommand_2_3(IComposerClient::Command::SET_LAYER_COLOR_TRANSFORM,
+ kSetLayerColorTransformLength);
+ for (int i = 0; i < 16; i++) {
+ writeFloat(matrix[i]);
+ }
+ endCommand();
+ }
+
+ protected:
+ void beginCommand_2_3(IComposerClient::Command command, uint16_t length) {
+ V2_2::CommandWriterBase::beginCommand_2_2(
+ static_cast<V2_2::IComposerClient::Command>(static_cast<int32_t>(command)), length);
+ }
+};
+
+// This class helps parse a command queue. Note that all sizes/lengths are in
+// units of uint32_t's.
+class CommandReaderBase : public V2_2::CommandReaderBase {
+ public:
+ CommandReaderBase() : V2_2::CommandReaderBase(){};
+};
+
+} // namespace V2_3
+} // namespace composer
+} // namespace graphics
+} // namespace hardware
+} // namespace android