Add API for pushing color transforms to SurfaceFlinger (9c5a3335) · Commits · e / os / platform_frameworks_native

services/surfaceflinger/RenderEngine/ProgramCache.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -169,7 +169,7 @@ String8 ProgramCache::generateFragmentShader(const Key& needs) {
		fs << "gl_FragColor.rgb = gl_FragColor.rgb/gl_FragColor.a;";
		}
		fs << "gl_FragColor.rgb = pow(gl_FragColor.rgb, vec3(2.2));";
		fs << "gl_FragColor = colorMatrix*gl_FragColor;";
		fs << "gl_FragColor.rgb = mat3(colorMatrix) * gl_FragColor.rgb + vec3(colorMatrix[3]);";
		fs << "gl_FragColor.rgb = pow(gl_FragColor.rgb, vec3(1.0 / 2.2));";
		if (!needs.isOpaque() && needs.isPremultiplied()) {
		// and re-premultiply if needed after gamma correction

services/surfaceflinger/SurfaceFlinger.cpp

+39 −6

Original line number	Diff line number	Diff line
		@@ -114,7 +114,8 @@ SurfaceFlinger::SurfaceFlinger()
		mDebugInTransaction(0),
		mLastTransactionTime(0),
		mBootFinished(false),
		mDaltonize(false)
		mDaltonize(false),
		mHasColorMatrix(false)
		{
		ALOGI("SurfaceFlinger is starting");

		@@ -869,7 +870,7 @@ void SurfaceFlinger::setUpHWComposer() {
		for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
		const sp<Layer>& layer(currentLayers[i]);
		layer->setGeometry(hw, *cur);
		if (mDebugDisableHWC \|\| mDebugRegion \|\| mDaltonize) {
		if (mDebugDisableHWC \|\| mDebugRegion \|\| mDaltonize \|\| mHasColorMatrix) {
		cur->setSkip(true);
		}
		}
		@@ -1483,11 +1484,17 @@ void SurfaceFlinger::doDisplayComposition(const sp<const DisplayDevice>& hw,
		}
		}

		if (CC_LIKELY(!mDaltonize)) {
		if (CC_LIKELY(!mDaltonize && !mHasColorMatrix)) {
		doComposeSurfaces(hw, dirtyRegion);
		} else {
		RenderEngine& engine(getRenderEngine());
		engine.beginGroup(mDaltonizer());
		mat4 colorMatrix = mColorMatrix;
		if (mDaltonize) {
		// preserve last row of color matrix
		colorMatrix = colorMatrix * mDaltonizer();
		colorMatrix[3] = mColorMatrix[3];
		}
		engine.beginGroup(colorMatrix);
		doComposeSurfaces(hw, dirtyRegion);
		engine.endGroup();
		}
		@@ -2371,7 +2378,8 @@ void SurfaceFlinger::dumpAllLocked(const Vector<String16>& args, size_t& index,
		colorizer.reset(result);
		result.appendFormat(" h/w composer %s and %s\n",
		hwc.initCheck()==NO_ERROR ? "present" : "not present",
		(mDebugDisableHWC \|\| mDebugRegion \|\| mDaltonize) ? "disabled" : "enabled");
		(mDebugDisableHWC \|\| mDebugRegion \|\| mDaltonize
		\|\| mHasColorMatrix) ? "disabled" : "enabled");
		hwc.dump(result);

		/*
		@@ -2534,10 +2542,35 @@ status_t SurfaceFlinger::onTransact(
		mDaltonize = n > 0;
		invalidateHwcGeometry();
		repaintEverything();
		return NO_ERROR;
		}
		case 1015: {
		// apply a color matrix
		n = data.readInt32();
		mHasColorMatrix = n ? 1 : 0;
		if (n) {
		// color matrix is sent as mat3 matrix followed by vec3
		// offset, then packed into a mat4 where the last row is
		// the offset and extra values are 0
		for (size_t i = 0 ; i < 3 ; i++) {
		for (size_t j = 0; j < 3; j++) {
		mColorMatrix[i][j] = data.readFloat();
		}
		mColorMatrix[i][3] = 0;
		}
		for (size_t i = 0; i < 3; i++) {
		mColorMatrix[3][i] = data.readFloat();
		}
		mColorMatrix[3][3] = 0;
		} else {
		mColorMatrix = mat4();
		}
		invalidateHwcGeometry();
		repaintEverything();
		return NO_ERROR;
		}
		}
		}
		return err;
		}

services/surfaceflinger/SurfaceFlinger.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@
		#include <binder/IMemory.h>

		#include <ui/PixelFormat.h>
		#include <ui/mat4.h>

		#include <gui/ISurfaceComposer.h>
		#include <gui/ISurfaceComposerClient.h>
		@@ -461,6 +462,9 @@ private:

		Daltonizer mDaltonizer;
		bool mDaltonize;

		mat4 mColorMatrix;
		bool mHasColorMatrix;
		};

		// ---------------------------------------------------------------------------