5 files changed, 12 insertions, 8 deletions
diff --git a/jni/feature_mos/src/mosaic_renderer/Renderer.cpp b/jni/feature_mos/src/mosaic_renderer/Renderer.cpp
index b9938eb6b..8d0632402 100755..100644
--- a/jni/feature_mos/src/mosaic_renderer/Renderer.cpp
+++ b/jni/feature_mos/src/mosaic_renderer/Renderer.cpp
@@ -111,8 +111,8 @@ GLuint Renderer::createProgram(const char* pVertexSource, const char* pFragmentS
 }
 
 // Set this renderer to use the default frame-buffer (screen) and
-// set the viewport size to be the given width and height (pixels).
-bool Renderer::SetupGraphics(int width, int height)
+// set the viewport size to be the given x, y, width and height (pixels).
+bool Renderer::SetupGraphics(int x, int y, int width, int height)
 {
     bool succeeded = false;
     do {
@@ -131,8 +131,10 @@ bool Renderer::SetupGraphics(int width, int height)
         mFrameBuffer = NULL;
         mSurfaceWidth = width;
         mSurfaceHeight = height;
+        mSurfaceXOffset = x;
+        mSurfaceYOffset = y;
 
-        glViewport(0, 0, mSurfaceWidth, mSurfaceHeight);
+        glViewport(mSurfaceXOffset, mSurfaceYOffset, mSurfaceWidth, mSurfaceHeight);
         if (!checkGlError("glViewport")) break;
         succeeded = true;
     } while (false);
@@ -176,7 +178,7 @@ bool Renderer::Clear(float r, float g, float b, float a)
     bool succeeded = false;
     do {
         bool rt = (mFrameBuffer == NULL)?
-                SetupGraphics(mSurfaceWidth, mSurfaceHeight) :
+                SetupGraphics(mSurfaceXOffset, mSurfaceYOffset, mSurfaceWidth, mSurfaceHeight) :
                 SetupGraphics(mFrameBuffer);
 
         if(!rt)
diff --git a/jni/feature_mos/src/mosaic_renderer/Renderer.h b/jni/feature_mos/src/mosaic_renderer/Renderer.h
index a43e8028e..ffb9cbd25 100755..100644
--- a/jni/feature_mos/src/mosaic_renderer/Renderer.h
+++ b/jni/feature_mos/src/mosaic_renderer/Renderer.h
@@ -18,7 +18,7 @@ class Renderer {
     virtual bool InitializeGLProgram() = 0;
 
     bool SetupGraphics(FrameBuffer* buffer);
-    bool SetupGraphics(int width, int height);
+    bool SetupGraphics(int x, int y, int width, int height);
 
     bool Clear(float r, float g, float b, float a);
 
@@ -59,6 +59,8 @@ class Renderer {
 
     int mSurfaceWidth;      // Width of target surface.
     int mSurfaceHeight;     // Height of target surface.
+    int mSurfaceXOffset;      // X Offset target surface.
+    int mSurfaceYOffset;     // Y Offset of target surface.
 
     FrameBuffer *mFrameBuffer;
 };
diff --git a/jni/feature_mos/src/mosaic_renderer/SurfaceTextureRenderer.cpp b/jni/feature_mos/src/mosaic_renderer/SurfaceTextureRenderer.cpp
index 88aac3626..4725463f2 100755..100644
--- a/jni/feature_mos/src/mosaic_renderer/SurfaceTextureRenderer.cpp
+++ b/jni/feature_mos/src/mosaic_renderer/SurfaceTextureRenderer.cpp
@@ -119,7 +119,7 @@ bool SurfaceTextureRenderer::DrawTexture(GLfloat *affine)
     bool succeeded = false;
     do {
         bool rt = (mFrameBuffer == NULL)?
-            SetupGraphics(mSurfaceWidth, mSurfaceHeight) :
+            SetupGraphics(mSurfaceXOffset, mSurfaceYOffset, mSurfaceWidth, mSurfaceHeight) :
             SetupGraphics(mFrameBuffer);
 
         if(!rt)
diff --git a/jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp b/jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp
index af6779a3f..c030ce25e 100755..100644
--- a/jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp
+++ b/jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp
@@ -110,7 +110,7 @@ bool WarpRenderer::DrawTexture(GLfloat *affine)
     bool succeeded = false;
     do {
         bool rt = (mFrameBuffer == NULL)?
-                SetupGraphics(mSurfaceWidth, mSurfaceHeight) :
+                SetupGraphics(mSurfaceXOffset, mSurfaceYOffset, mSurfaceWidth, mSurfaceHeight) :
                 SetupGraphics(mFrameBuffer);
 
         if(!rt)
diff --git a/jni/feature_mos/src/mosaic_renderer/YVURenderer.cpp b/jni/feature_mos/src/mosaic_renderer/YVURenderer.cpp
index f7dcf6f61..b30e6f7b6 100755..100644
--- a/jni/feature_mos/src/mosaic_renderer/YVURenderer.cpp
+++ b/jni/feature_mos/src/mosaic_renderer/YVURenderer.cpp
@@ -79,7 +79,7 @@ bool YVURenderer::DrawTexture()
     bool succeeded = false;
     do {
         bool rt = (mFrameBuffer == NULL)?
-                SetupGraphics(mSurfaceWidth, mSurfaceHeight) :
+                SetupGraphics(mSurfaceXOffset, mSurfaceYOffset, mSurfaceWidth, mSurfaceHeight) :
                 SetupGraphics(mFrameBuffer);
 
         if(!rt)