Shader changes to allow for more flexible constant binding.

Change-Id: Ic66e6e2a371c6e3d5dce1b00f63acab8c09bd110

1 files changed, 28 insertions, 0 deletions

diff --git a/libs/rs/rsElement.cpp b/libs/rs/rsElement.cpp
index 0b7bb27..d0909c8 100644
--- a/libs/rs/rsElement.cpp
+++ b/libs/rs/rsElement.cpp
@@ -314,6 +314,11 @@ void Element::decRefs(const void *ptr) const
 
 ElementState::ElementState()
 {
+    const uint32_t initialCapacity = 32;
+    mBuilderElements.setCapacity(initialCapacity);
+    mBuilderNameStrings.setCapacity(initialCapacity);
+    mBuilderNameLengths.setCapacity(initialCapacity);
+    mBuilderArrays.setCapacity(initialCapacity);
 }
 
 ElementState::~ElementState()
@@ -321,6 +326,29 @@ ElementState::~ElementState()
     rsAssert(!mElements.size());
 }
 
+void ElementState::elementBuilderBegin() {
+    mBuilderElements.clear();
+    mBuilderNameStrings.clear();
+    mBuilderNameLengths.clear();
+    mBuilderArrays.clear();
+}
+
+void ElementState::elementBuilderAdd(const Element *e, const char *nameStr, uint32_t arraySize) {
+    mBuilderElements.push(e);
+    mBuilderNameStrings.push(nameStr);
+    mBuilderNameLengths.push(strlen(nameStr));
+    mBuilderArrays.push(arraySize);
+
+}
+
+const Element *ElementState::elementBuilderCreate(Context *rsc) {
+    return Element::create(rsc, mBuilderElements.size(),
+                                &(mBuilderElements.editArray()[0]),
+                                &(mBuilderNameStrings.editArray()[0]),
+                                mBuilderNameLengths.editArray(),
+                                mBuilderArrays.editArray());
+}
+
 
 /////////////////////////////////////////
 //