commit 5ff1959f9541980c2c957f482a4b0999533bbb4e
author Alex Sakhartchouk <alexst@google.com> Mon Mar 26 13:52:24 2012 -0700
committer Alex Sakhartchouk <alexst@google.com> Mon Mar 26 13:52:24 2012 -0700
tree f4e40c5ede485cb90a62e17a3b343b5f38fbf224
parent 69f819b397e5e4b50b1931da6ef1caba0229640a

State based shader recompile to support camera input.

Change-Id: Ia6c362571e1b44254461522a8c49a8551b46f28d

libs/rs/driver/rsdShader.h

diff --git a/libs/rs/driver/rsdShader.h b/libs/rs/driver/rsdShader.h
index 6c0b616..2680b3e 100644
--- a/libs/rs/driver/rsdShader.h
+++ b/libs/rs/driver/rsdShader.h
@@ -44,9 +44,13 @@
               const size_t *textureNamesLength);
     virtual ~RsdShader();
 
-    bool createShader();
+    uint32_t getStateBasedShaderID(const android::renderscript::Context *);
 
-    uint32_t getShaderID() const {return mShaderID;}
+    // Add ability to get all ID's to clean up the cached program objects
+    uint32_t getStateBasedIDCount() const { return mStateBasedShaders.size(); }
+    uint32_t getStateBasedID(uint32_t index) const {
+        return mStateBasedShaders.itemAt(index)->mShaderID;
+    }
 
     uint32_t getAttribCount() const {return mAttribCount;}
     uint32_t getUniformCount() const {return mUniformCount;}
@@ -64,6 +68,21 @@
 
 protected:
 
+    class StateBasedKey {
+    public:
+        StateBasedKey(uint32_t texCount) : mShaderID(0) {
+            mTextureTargets = new uint32_t[texCount];
+        }
+        ~StateBasedKey() {
+            delete[] mTextureTargets;
+        }
+        uint32_t mShaderID;
+        uint32_t *mTextureTargets;
+    };
+
+    bool createShader();
+    StateBasedKey *getExistingState();
+
     const android::renderscript::Program *mRSProgram;
     bool mIsValid;
 
@@ -87,11 +106,10 @@
     mutable bool mDirty;
     android::String8 mShader;
     android::String8 mUserShader;
-    uint32_t mShaderID;
     uint32_t mType;
 
     uint32_t mTextureCount;
-    uint32_t *mTextureTargets;
+    StateBasedKey *mCurrentState;
     uint32_t mAttribCount;
     uint32_t mUniformCount;
     android::String8 *mAttribNames;
@@ -100,6 +118,8 @@
 
     android::Vector<android::String8> mTextureNames;
 
+    android::Vector<StateBasedKey*> mStateBasedShaders;
+
     int32_t mTextureUniformIndexStart;
 
     void logUniform(const android::renderscript::Element *field,