Merge "add a static lib of core bufferqueue logic for media" into qt-dev (a10bfb9b) · Commits · e / os / platform_frameworks_native

libs/gui/Android.bp

+104 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,7 @@ cc_library_shared {
		"DisplayEventReceiver.cpp",
		"FrameTimestamps.cpp",
		"GLConsumer.cpp",
		"GLConsumerUtils.cpp",
		"GuiConfig.cpp",
		"HdrMetadata.cpp",
		"IDisplayEventConnection.cpp",
		@@ -170,4 +171,107 @@ cc_library_shared {
		],
		}

		// Used by media codec services exclusively as a static lib for
		// core bufferqueuesupport only.
		cc_library_static {
		name: "libgui_bufferqueue_static",
		vendor_available: true,

		clang: true,
		cflags: [
		"-Wall",
		"-Werror",
		"-DNO_BUFFERHUB",
		],

		cppflags: [
		"-Wextra",
		"-DDEBUG_ONLY_CODE=0",
		],

		product_variables: {
		eng: {
		cppflags: [
		"-UDEBUG_ONLY_CODE",
		"-DDEBUG_ONLY_CODE=1",
		],
		},
		},

		srcs: [
		"BufferItem.cpp",
		"BufferQueue.cpp",
		"BufferQueueConsumer.cpp",
		"BufferQueueCore.cpp",
		"BufferQueueProducer.cpp",
		"BufferQueueThreadState.cpp",
		"BufferSlot.cpp",
		"FrameTimestamps.cpp",
		"GLConsumerUtils.cpp",
		"HdrMetadata.cpp",
		"IConsumerListener.cpp",
		"IGraphicBufferConsumer.cpp",
		"IGraphicBufferProducer.cpp",
		"IProducerListener.cpp",
		"OccupancyTracker.cpp",
		"bufferqueue/1.0/B2HProducerListener.cpp",
		"bufferqueue/1.0/Conversion.cpp",
		"bufferqueue/1.0/H2BGraphicBufferProducer.cpp",
		"bufferqueue/1.0/H2BProducerListener.cpp",
		"bufferqueue/1.0/WProducerListener.cpp",
		"bufferqueue/2.0/B2HGraphicBufferProducer.cpp",
		"bufferqueue/2.0/B2HProducerListener.cpp",
		"bufferqueue/2.0/H2BGraphicBufferProducer.cpp",
		"bufferqueue/2.0/H2BProducerListener.cpp",
		"bufferqueue/2.0/types.cpp",
		],

		shared_libs: [
		"android.hardware.graphics.bufferqueue@1.0",
		"android.hardware.graphics.bufferqueue@2.0",
		"android.hardware.graphics.common@1.1",
		"android.hardware.graphics.common@1.2",
		"android.hidl.token@1.0-utils",
		"libbase",
		"libbinder",
		"libcutils",
		"libEGL",
		"libGLESv2",
		"libhidlbase",
		"libhidltransport",
		"libhwbinder",
		"liblog",
		"libnativewindow",
		"libsync",
		"libui",
		"libutils",
		"libvndksupport",
		],

		header_libs: [
		"libgui_headers",
		"libnativebase_headers",
		],

		export_shared_lib_headers: [
		"libbinder",
		"libEGL",
		"libnativewindow",
		"libui",
		"android.hardware.graphics.bufferqueue@1.0",
		"android.hardware.graphics.bufferqueue@2.0",
		"android.hardware.graphics.common@1.1",
		"android.hardware.graphics.common@1.2",
		"android.hidl.token@1.0-utils",
		],

		export_header_lib_headers: [
		"libgui_headers",
		],

		export_include_dirs: [
		"include",
		],
		}

		subdirs = ["tests"]

libs/gui/GLConsumer.cpp

+0 −98

Original line number	Diff line number	Diff line
		@@ -745,104 +745,6 @@ void GLConsumer::computeCurrentTransformMatrixLocked() {
		mCurrentTransform, mFilteringEnabled);
		}

		void GLConsumer::computeTransformMatrix(float outTransform[16],
		const sp<GraphicBuffer>& buf, const Rect& cropRect, uint32_t transform,
		bool filtering) {
		// Transform matrices
		static const mat4 mtxFlipH(
		-1, 0, 0, 0,
		0, 1, 0, 0,
		0, 0, 1, 0,
		1, 0, 0, 1
		);
		static const mat4 mtxFlipV(
		1, 0, 0, 0,
		0, -1, 0, 0,
		0, 0, 1, 0,
		0, 1, 0, 1
		);
		static const mat4 mtxRot90(
		0, 1, 0, 0,
		-1, 0, 0, 0,
		0, 0, 1, 0,
		1, 0, 0, 1
		);

		mat4 xform;
		if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) {
		xform *= mtxFlipH;
		}
		if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) {
		xform *= mtxFlipV;
		}
		if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
		xform *= mtxRot90;
		}

		if (!cropRect.isEmpty()) {
		float tx = 0.0f, ty = 0.0f, sx = 1.0f, sy = 1.0f;
		float bufferWidth = buf->getWidth();
		float bufferHeight = buf->getHeight();
		float shrinkAmount = 0.0f;
		if (filtering) {
		// In order to prevent bilinear sampling beyond the edge of the
		// crop rectangle we may need to shrink it by 2 texels in each
		// dimension. Normally this would just need to take 1/2 a texel
		// off each end, but because the chroma channels of YUV420 images
		// are subsampled we may need to shrink the crop region by a whole
		// texel on each side.
		switch (buf->getPixelFormat()) {
		case PIXEL_FORMAT_RGBA_8888:
		case PIXEL_FORMAT_RGBX_8888:
		case PIXEL_FORMAT_RGBA_FP16:
		case PIXEL_FORMAT_RGBA_1010102:
		case PIXEL_FORMAT_RGB_888:
		case PIXEL_FORMAT_RGB_565:
		case PIXEL_FORMAT_BGRA_8888:
		// We know there's no subsampling of any channels, so we
		// only need to shrink by a half a pixel.
		shrinkAmount = 0.5;
		break;

		default:
		// If we don't recognize the format, we must assume the
		// worst case (that we care about), which is YUV420.
		shrinkAmount = 1.0;
		break;
		}
		}

		// Only shrink the dimensions that are not the size of the buffer.
		if (cropRect.width() < bufferWidth) {
		tx = (float(cropRect.left) + shrinkAmount) / bufferWidth;
		sx = (float(cropRect.width()) - (2.0f * shrinkAmount)) /
		bufferWidth;
		}
		if (cropRect.height() < bufferHeight) {
		ty = (float(bufferHeight - cropRect.bottom) + shrinkAmount) /
		bufferHeight;
		sy = (float(cropRect.height()) - (2.0f * shrinkAmount)) /
		bufferHeight;
		}

		mat4 crop(
		sx, 0, 0, 0,
		0, sy, 0, 0,
		0, 0, 1, 0,
		tx, ty, 0, 1
		);
		xform = crop * xform;
		}

		// GLConsumer uses the GL convention where (0, 0) is the bottom-left
		// corner and (1, 1) is the top-right corner. Add an additional vertical
		// flip after all other transforms to map from GL convention to buffer
		// queue memory layout, where (0, 0) is the top-left corner.
		xform = mtxFlipV * xform;

		memcpy(outTransform, xform.asArray(), sizeof(xform));
		}

		Rect GLConsumer::scaleDownCrop(const Rect& crop, uint32_t bufferWidth, uint32_t bufferHeight) {
		Rect outCrop = crop;

libs/gui/GLConsumerUtils.cpp

0 → 100644

+125 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2010 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.
		*/

		#define LOG_TAG "GLConsumerUtils"
		//#define LOG_NDEBUG 0

		#include <gui/GLConsumer.h>
		#include <math/mat4.h>
		#include <system/window.h>
		#include <utils/Log.h>

		namespace android {

		void GLConsumer::computeTransformMatrix(float outTransform[16],
		const sp<GraphicBuffer>& buf, const Rect& cropRect, uint32_t transform,
		bool filtering) {
		// Transform matrices
		static const mat4 mtxFlipH(
		-1, 0, 0, 0,
		0, 1, 0, 0,
		0, 0, 1, 0,
		1, 0, 0, 1
		);
		static const mat4 mtxFlipV(
		1, 0, 0, 0,
		0, -1, 0, 0,
		0, 0, 1, 0,
		0, 1, 0, 1
		);
		static const mat4 mtxRot90(
		0, 1, 0, 0,
		-1, 0, 0, 0,
		0, 0, 1, 0,
		1, 0, 0, 1
		);

		mat4 xform;
		if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) {
		xform *= mtxFlipH;
		}
		if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) {
		xform *= mtxFlipV;
		}
		if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
		xform *= mtxRot90;
		}

		if (!cropRect.isEmpty()) {
		float tx = 0.0f, ty = 0.0f, sx = 1.0f, sy = 1.0f;
		float bufferWidth = buf->getWidth();
		float bufferHeight = buf->getHeight();
		float shrinkAmount = 0.0f;
		if (filtering) {
		// In order to prevent bilinear sampling beyond the edge of the
		// crop rectangle we may need to shrink it by 2 texels in each
		// dimension. Normally this would just need to take 1/2 a texel
		// off each end, but because the chroma channels of YUV420 images
		// are subsampled we may need to shrink the crop region by a whole
		// texel on each side.
		switch (buf->getPixelFormat()) {
		case PIXEL_FORMAT_RGBA_8888:
		case PIXEL_FORMAT_RGBX_8888:
		case PIXEL_FORMAT_RGBA_FP16:
		case PIXEL_FORMAT_RGBA_1010102:
		case PIXEL_FORMAT_RGB_888:
		case PIXEL_FORMAT_RGB_565:
		case PIXEL_FORMAT_BGRA_8888:
		// We know there's no subsampling of any channels, so we
		// only need to shrink by a half a pixel.
		shrinkAmount = 0.5;
		break;

		default:
		// If we don't recognize the format, we must assume the
		// worst case (that we care about), which is YUV420.
		shrinkAmount = 1.0;
		break;
		}
		}

		// Only shrink the dimensions that are not the size of the buffer.
		if (cropRect.width() < bufferWidth) {
		tx = (float(cropRect.left) + shrinkAmount) / bufferWidth;
		sx = (float(cropRect.width()) - (2.0f * shrinkAmount)) /
		bufferWidth;
		}
		if (cropRect.height() < bufferHeight) {
		ty = (float(bufferHeight - cropRect.bottom) + shrinkAmount) /
		bufferHeight;
		sy = (float(cropRect.height()) - (2.0f * shrinkAmount)) /
		bufferHeight;
		}

		mat4 crop(
		sx, 0, 0, 0,
		0, sy, 0, 0,
		0, 0, 1, 0,
		tx, ty, 0, 1
		);
		xform = crop * xform;
		}

		// GLConsumer uses the GL convention where (0, 0) is the bottom-left
		// corner and (1, 1) is the top-right corner. Add an additional vertical
		// flip after all other transforms to map from GL convention to buffer
		// queue memory layout, where (0, 0) is the top-left corner.
		xform = mtxFlipV * xform;

		memcpy(outTransform, xform.asArray(), sizeof(xform));
		}

		}; // namespace android