reset GL viewport and project when caputring the screen (bae92d0d) · Commits · e / os / platform_frameworks_native

services/surfaceflinger/DisplayDevice.cpp

+11 −7

Original line number	Diff line number	Diff line
		@@ -259,6 +259,13 @@ EGLBoolean DisplayDevice::makeCurrent(EGLDisplay dpy,
		if (sur != hw->mSurface) {
		result = eglMakeCurrent(dpy, hw->mSurface, hw->mSurface, ctx);
		if (result == EGL_TRUE) {
		setViewportAndProjection(hw);
		}
		}
		return result;
		}

		void DisplayDevice::setViewportAndProjection(const sp<const DisplayDevice>& hw) {
		GLsizei w = hw->mDisplayWidth;
		GLsizei h = hw->mDisplayHeight;
		glViewport(0, 0, w, h);
		@@ -267,9 +274,6 @@ EGLBoolean DisplayDevice::makeCurrent(EGLDisplay dpy,
		// put the origin in the left-bottom corner
		glOrthof(0, w, 0, h, 0, 1); // l=0, r=w ; b=0, t=h
		}
		}
		return result;
		}

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

+2 −0

Original line number	Diff line number	Diff line
		@@ -125,6 +125,8 @@ public:
		static EGLBoolean makeCurrent(EGLDisplay dpy,
		const sp<const DisplayDevice>& hw, EGLContext ctx);

		static void setViewportAndProjection(const sp<const DisplayDevice>& hw);

		/* ------------------------------------------------------------------------
		* blank / unblank management
		*/

+2 −0

Original line number	Diff line number	Diff line
		@@ -2510,6 +2510,8 @@ status_t SurfaceFlinger::renderScreenToTextureLocked(uint32_t layerStack,
		glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES,
		GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tname, 0);

		DisplayDevice::setViewportAndProjection(hw);

		// redraw the screen entirely...
		glDisable(GL_TEXTURE_EXTERNAL_OES);
		glDisable(GL_TEXTURE_2D);