Merge "Allow GPU composition to occur at a lower resolution" into rvc-dev am: 7190e99bf1 (9b2cb7f8) · Commits · e / devices / smdk4412 / android_frameworks_native

services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp

+33 −5

Original line number	Diff line number	Diff line
		@@ -57,9 +57,12 @@ using ui::Dataspace;
		*/

		FramebufferSurface::FramebufferSurface(HWComposer& hwc, DisplayId displayId,
		const sp<IGraphicBufferConsumer>& consumer)
		const sp<IGraphicBufferConsumer>& consumer,
		uint32_t maxWidth, uint32_t maxHeight)
		: ConsumerBase(consumer),
		mDisplayId(displayId),
		mMaxWidth(maxWidth),
		mMaxHeight(maxHeight),
		mCurrentBufferSlot(-1),
		mCurrentBuffer(),
		mCurrentFence(Fence::NO_FENCE),
		@@ -75,14 +78,16 @@ FramebufferSurface::FramebufferSurface(HWComposer& hwc, DisplayId displayId,
		GRALLOC_USAGE_HW_RENDER \|
		GRALLOC_USAGE_HW_COMPOSER);
		const auto& activeConfig = mHwc.getActiveConfig(displayId);
		mConsumer->setDefaultBufferSize(activeConfig->getWidth(),
		activeConfig->getHeight());
		ui::Size limitedSize =
		limitFramebufferSize(activeConfig->getWidth(), activeConfig->getHeight());
		mConsumer->setDefaultBufferSize(limitedSize.width, limitedSize.height);
		mConsumer->setMaxAcquiredBufferCount(
		SurfaceFlinger::maxFrameBufferAcquiredBuffers - 1);
		}

		void FramebufferSurface::resizeBuffers(const uint32_t width, const uint32_t height) {
		mConsumer->setDefaultBufferSize(width, height);
		void FramebufferSurface::resizeBuffers(uint32_t width, uint32_t height) {
		ui::Size limitedSize = limitFramebufferSize(width, height);
		mConsumer->setDefaultBufferSize(limitedSize.width, limitedSize.height);
		}

		status_t FramebufferSurface::beginFrame(bool /mustRecompose/) {
		@@ -177,6 +182,29 @@ void FramebufferSurface::onFrameCommitted() {
		}
		}

		ui::Size FramebufferSurface::limitFramebufferSize(uint32_t width, uint32_t height) {
		// TODO(b/149495759): Use the ui::Size constructor once it no longer is broken.
		ui::Size framebufferSize;
		framebufferSize.width = width;
		framebufferSize.height = height;
		bool wasLimited = true;
		if (width > mMaxWidth && mMaxWidth != 0) {
		float aspectRatio = float(width) / float(height);
		framebufferSize.height = mMaxWidth / aspectRatio;
		framebufferSize.width = mMaxWidth;
		wasLimited = true;
		}
		if (height > mMaxHeight && mMaxHeight != 0) {
		float aspectRatio = float(width) / float(height);
		framebufferSize.height = mMaxHeight;
		framebufferSize.width = mMaxHeight * aspectRatio;
		wasLimited = true;
		}
		ALOGI_IF(wasLimited, "framebuffer size has been limited to [%dx%d] from [%dx%d]",
		framebufferSize.width, framebufferSize.height, width, height);
		return framebufferSize;
		}

		void FramebufferSurface::dumpAsString(String8& result) const {
		Mutex::Autolock lock(mMutex);
		result.appendFormat(" FramebufferSurface: dataspace: %s(%d)\n",

services/surfaceflinger/DisplayHardware/FramebufferSurface.h

+15 −2

Original line number	Diff line number	Diff line
		@@ -23,6 +23,7 @@
		#include <compositionengine/DisplaySurface.h>
		#include <compositionengine/impl/HwcBufferCache.h>
		#include <gui/ConsumerBase.h>
		#include <ui/Size.h>

		#include "DisplayIdentification.h"

		@@ -39,7 +40,8 @@ class HWComposer;
		class FramebufferSurface : public ConsumerBase, public compositionengine::DisplaySurface {
		public:
		FramebufferSurface(HWComposer& hwc, DisplayId displayId,
		const sp<IGraphicBufferConsumer>& consumer);
		const sp<IGraphicBufferConsumer>& consumer, uint32_t maxWidth,
		uint32_t maxHeight);

		virtual status_t beginFrame(bool mustRecompose);
		virtual status_t prepareFrame(CompositionType compositionType);
		@@ -47,7 +49,7 @@ public:
		virtual void onFrameCommitted();
		virtual void dumpAsString(String8& result) const;

		virtual void resizeBuffers(const uint32_t width, const uint32_t height);
		virtual void resizeBuffers(uint32_t width, uint32_t height);

		virtual const sp<Fence>& getClientTargetAcquireFence() const override;

		@@ -58,6 +60,9 @@ private:

		virtual void dumpLocked(String8& result, const char* prefix) const;

		// Limits the width and height by the maximum width specified in the constructor.
		ui::Size limitFramebufferSize(uint32_t width, uint32_t height);

		// nextBuffer waits for and then latches the next buffer from the
		// BufferQueue and releases the previously latched buffer to the
		// BufferQueue. The new buffer is returned in the 'buffer' argument.
		@@ -66,6 +71,14 @@ private:

		const DisplayId mDisplayId;

		// Framebuffer size has a dimension limitation in pixels based on the graphics capabilities of
		// the device.
		const uint32_t mMaxWidth;

		// Framebuffer size has a dimension limitation in pixels based on the graphics capabilities of
		// the device.
		const uint32_t mMaxHeight;

		// mCurrentBufferIndex is the slot index of the current buffer or
		// INVALID_BUFFER_SLOT to indicate that either there is no current buffer
		// or the buffer is not associated with a slot.

services/surfaceflinger/SurfaceFlinger.cpp

+7 −1

Original line number	Diff line number	Diff line
		@@ -217,6 +217,8 @@ uint64_t SurfaceFlinger::maxVirtualDisplaySize;
		bool SurfaceFlinger::hasSyncFramework;
		bool SurfaceFlinger::useVrFlinger;
		int64_t SurfaceFlinger::maxFrameBufferAcquiredBuffers;
		uint32_t SurfaceFlinger::maxGraphicsWidth;
		uint32_t SurfaceFlinger::maxGraphicsHeight;
		bool SurfaceFlinger::hasWideColorDisplay;
		ui::Rotation SurfaceFlinger::internalDisplayOrientation = ui::ROTATION_0;
		bool SurfaceFlinger::useColorManagement;
		@@ -283,6 +285,9 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipI

		maxFrameBufferAcquiredBuffers = max_frame_buffer_acquired_buffers(2);

		maxGraphicsWidth = std::max(max_graphics_width(0), 0);
		maxGraphicsHeight = std::max(max_graphics_height(0), 0);

		hasWideColorDisplay = has_wide_color_display(false);

		useColorManagement = use_color_management(false);
		@@ -2593,7 +2598,8 @@ void SurfaceFlinger::processDisplayChangesLocked() {
		state.surface.get());

		LOG_ALWAYS_FATAL_IF(!displayId);
		dispSurface = new FramebufferSurface(getHwComposer(), *displayId, bqConsumer);
		dispSurface = new FramebufferSurface(getHwComposer(), *displayId, bqConsumer,
		maxGraphicsWidth, maxGraphicsHeight);
		producer = bqProducer;
		}

services/surfaceflinger/SurfaceFlinger.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@
		#include <system/graphics.h>
		#include <ui/FenceTime.h>
		#include <ui/PixelFormat.h>
		#include <ui/Size.h>
		#include <utils/Errors.h>
		#include <utils/KeyedVector.h>
		#include <utils/RefBase.h>
		@@ -225,6 +226,11 @@ public:
		// FramebufferSurface
		static int64_t maxFrameBufferAcquiredBuffers;

		// Controls the maximum width and height in pixels that the graphics pipeline can support for
		// GPU fallback composition. For example, 8k devices with 4k GPUs, or 4k devices with 2k GPUs.
		static uint32_t maxGraphicsWidth;
		static uint32_t maxGraphicsHeight;

		// Indicate if a device has wide color gamut display. This is typically
		// found on devices with wide color gamut (e.g. Display-P3) display.
		static bool hasWideColorDisplay;

services/surfaceflinger/SurfaceFlingerProperties.cpp

+16 −0

Original line number	Diff line number	Diff line
		@@ -70,6 +70,22 @@ int64_t max_frame_buffer_acquired_buffers(int64_t defaultValue) {
		defaultValue);
		}

		int32_t max_graphics_width(int32_t defaultValue) {
		auto temp = SurfaceFlingerProperties::max_graphics_width();
		if (temp.has_value()) {
		return *temp;
		}
		return defaultValue;
		}

		int32_t max_graphics_height(int32_t defaultValue) {
		auto temp = SurfaceFlingerProperties::max_graphics_height();
		if (temp.has_value()) {
		return *temp;
		}
		return defaultValue;
		}

		bool has_wide_color_display(bool defaultValue) {
		auto temp = SurfaceFlingerProperties::has_wide_color_display();
		if (temp.has_value()) {