am 7f1c94e1: Merge "Fix rotation displays frame N-1 briefly while rotating" into ics-mr1 (0462805d) · Commits · e / os / platform_frameworks_native

services/surfaceflinger/LayerScreenshot.cpp

+44 −2

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@
		#include "SurfaceFlinger.h"
		#include "DisplayHardware/DisplayHardware.h"


		namespace android {
		// ---------------------------------------------------------------------------

		@@ -45,23 +46,64 @@ LayerScreenshot::~LayerScreenshot()
		}
		}

		status_t LayerScreenshot::captureLocked() {
		GLfloat u, v;
		status_t result = mFlinger->renderScreenToTextureLocked(0, &mTextureName, &u, &v);
		if (result != NO_ERROR) {
		return result;
		}
		initTexture(u, v);
		return NO_ERROR;
		}

		status_t LayerScreenshot::capture() {
		GLfloat u, v;
		status_t result = mFlinger->renderScreenToTexture(0, &mTextureName, &u, &v);
		if (result != NO_ERROR) {
		return result;
		}
		initTexture(u, v);
		return NO_ERROR;
		}

		void LayerScreenshot::initTexture(GLfloat u, GLfloat v) {
		glBindTexture(GL_TEXTURE_2D, mTextureName);
		glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
		glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);

		mTexCoords[0] = 0; mTexCoords[1] = v;
		mTexCoords[2] = 0; mTexCoords[3] = 0;
		mTexCoords[4] = u; mTexCoords[5] = 0;
		mTexCoords[6] = u; mTexCoords[7] = v;
		}

		return NO_ERROR;
		void LayerScreenshot::initStates(uint32_t w, uint32_t h, uint32_t flags) {
		LayerBaseClient::initStates(w, h, flags);
		if (!(flags & ISurfaceComposer::eHidden)) {
		capture();
		}
		}

		uint32_t LayerScreenshot::doTransaction(uint32_t flags)
		{
		const Layer::State& draw(drawingState());
		const Layer::State& curr(currentState());

		if (draw.flags & ISurfaceComposer::eLayerHidden) {
		if (!(curr.flags & ISurfaceComposer::eLayerHidden)) {
		// we're going from hidden to visible
		status_t err = captureLocked();
		if (err != NO_ERROR) {
		LOGW("createScreenshotSurface failed (%s)", strerror(-err));
		}
		}
		} else if (curr.flags & ISurfaceComposer::eLayerHidden) {
		// we're going from visible to hidden
		if (mTextureName) {
		glDeleteTextures(1, &mTextureName);
		mTextureName = 0;
		}
		}
		return LayerBaseClient::doTransaction(flags);
		}

		void LayerScreenshot::onDraw(const Region& clip) const

services/surfaceflinger/LayerScreenshot.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -41,12 +41,18 @@ public:

		status_t capture();

		virtual void initStates(uint32_t w, uint32_t h, uint32_t flags);
		virtual uint32_t doTransaction(uint32_t flags);
		virtual void onDraw(const Region& clip) const;
		virtual bool isOpaque() const { return false; }
		virtual bool isSecure() const { return false; }
		virtual bool isProtectedByApp() const { return false; }
		virtual bool isProtectedByDRM() const { return false; }
		virtual const char* getTypeId() const { return "LayerScreenshot"; }

		private:
		status_t captureLocked();
		void initTexture(GLfloat u, GLfloat v);
		};

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

services/surfaceflinger/SurfaceFlinger.cpp

+0 −5

Original line number	Diff line number	Diff line
		@@ -1360,11 +1360,6 @@ sp<LayerScreenshot> SurfaceFlinger::createScreenshotSurface(
		uint32_t w, uint32_t h, uint32_t flags)
		{
		sp<LayerScreenshot> layer = new LayerScreenshot(this, display, client);
		status_t err = layer->capture();
		if (err != NO_ERROR) {
		layer.clear();
		LOGW("createScreenshotSurface failed (%s)", strerror(-err));
		}
		return layer;
		}

services/surfaceflinger/SurfaceFlinger.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -186,6 +186,8 @@ public:

		status_t renderScreenToTexture(DisplayID dpy,
		GLuint* textureName, GLfloat* uOut, GLfloat* vOut);
		status_t renderScreenToTextureLocked(DisplayID dpy,
		GLuint* textureName, GLfloat* uOut, GLfloat* vOut);

		status_t postMessageAsync(const sp<MessageBase>& msg,
		nsecs_t reltime=0, uint32_t flags = 0);
		@@ -328,8 +330,6 @@ private:
		status_t turnElectronBeamOnImplLocked(int32_t mode);
		status_t electronBeamOffAnimationImplLocked();
		status_t electronBeamOnAnimationImplLocked();
		status_t renderScreenToTextureLocked(DisplayID dpy,
		GLuint* textureName, GLfloat* uOut, GLfloat* vOut);

		void debugFlashRegions();
		void debugShowFPS() const;