Implement more of copy2DRange*

Change-Id: Id6be481c4abc968df27e5bba1ed044262ec0f293

2 files changed, 17 insertions, 3 deletions

diff --git a/libs/rs/rsAllocation.cpp b/libs/rs/rsAllocation.cpp
index cf394c0..2ed7774 100644
--- a/libs/rs/rsAllocation.cpp
+++ b/libs/rs/rsAllocation.cpp
@@ -202,6 +202,17 @@ void Allocation::uploadToTexture(const Context *rsc) {
     rsc->checkError("Allocation::uploadToTexture");
 }
 
+void Allocation::update2DTexture(const void *ptr, uint32_t xoff, uint32_t yoff,
+                                 uint32_t lod, RsAllocationCubemapFace face,
+                                 uint32_t w, uint32_t h) {
+    GLenum type = mType->getElement()->getComponent().getGLType();
+    GLenum format = mType->getElement()->getComponent().getGLFormat();
+    GLenum target = (GLenum)getGLTarget();
+    glBindTexture(target, mTextureID);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glTexSubImage2D(GL_TEXTURE_2D, lod, xoff, yoff, w, h, format, type, ptr);
+}
+
 void Allocation::upload2DTexture(bool isFirstUpload, const void *ptr) {
     GLenum type = mType->getElement()->getComponent().getGLType();
     GLenum format = mType->getElement()->getComponent().getGLFormat();
@@ -368,12 +379,13 @@ void Allocation::data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod,
         sendDirty();
         mUploadDefered = true;
     } else {
-        upload2DTexture(false, data);
+        update2DTexture(data, xoff, yoff, lod, face, w, h);
     }
 }
 
-void Allocation::data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod, RsAllocationCubemapFace face,
-             uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes) {
+void Allocation::data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff,
+                      uint32_t lod, RsAllocationCubemapFace face,
+                      uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes) {
 }
 
 void Allocation::elementData(Context *rsc, uint32_t x, const void *data,
diff --git a/libs/rs/rsAllocation.h b/libs/rs/rsAllocation.h
index a8d086e..a160765 100644
--- a/libs/rs/rsAllocation.h
+++ b/libs/rs/rsAllocation.h
@@ -106,6 +106,8 @@ public:
     }
 
     void upload2DTexture(bool isFirstUpload, const void *ptr);
+    void update2DTexture(const void *ptr, uint32_t xoff, uint32_t yoff,
+                         uint32_t lod, RsAllocationCubemapFace face, uint32_t w, uint32_t h);
 
 protected:
     ObjectBaseRef<const Type> mType;