summaryrefslogtreecommitdiffstats
path: root/src/com/android/camera/support/glrenderer/ExtTexture.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/com/android/camera/support/glrenderer/ExtTexture.java')
-rw-r--r--src/com/android/camera/support/glrenderer/ExtTexture.java45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/com/android/camera/support/glrenderer/ExtTexture.java b/src/com/android/camera/support/glrenderer/ExtTexture.java
new file mode 100644
index 000000000..121e17d5f
--- /dev/null
+++ b/src/com/android/camera/support/glrenderer/ExtTexture.java
@@ -0,0 +1,45 @@
+package com.android.camera.support.glrenderer;
+
+
+//ExtTexture is a texture whose content comes from a external texture.
+//Before drawing, setSize() should be called.
+public class ExtTexture extends BasicTexture {
+
+ private int mTarget;
+
+ public ExtTexture(GLCanvas canvas, int target) {
+ GLId glId = canvas.getGLId();
+ mId = glId.generateTexture();
+ mTarget = target;
+ }
+
+ private void uploadToCanvas(GLCanvas canvas) {
+ canvas.setTextureParameters(this);
+ setAssociatedCanvas(canvas);
+ mState = STATE_LOADED;
+ }
+
+ @Override
+ protected boolean onBind(GLCanvas canvas) {
+ if (!isLoaded()) {
+ uploadToCanvas(canvas);
+ }
+
+ return true;
+ }
+
+ @Override
+ public int getTarget() {
+ return mTarget;
+ }
+
+ @Override
+ public boolean isOpaque() {
+ return true;
+ }
+
+ @Override
+ public void yield() {
+ // we cannot free the texture because we have no backup.
+ }
+}