am 0b9bbb6d: DO NOT MERGE. Merge Froyo renderscript to Eclair to support live wallpapers on droid. This gives the necessary CPU reduction to allow the wallpapers to work on the slower CPU.

Merge commit '0b9bbb6dc5d7dabecf23e8c6bb4a267ba8c34fe8' into eclair-plus-aosp

* commit '0b9bbb6dc5d7dabecf23e8c6bb4a267ba8c34fe8':
  DO NOT MERGE. Merge Froyo renderscript to Eclair to support live wallpapers on droid.  This gives the necessary CPU reduction to allow the wallpapers to work on the slower CPU.

1 files changed, 216 insertions, 0 deletions

diff --git a/libs/rs/rsVertexArray.cpp b/libs/rs/rsVertexArray.cpp
new file mode 100644
index 000000000000..d0c04148be37
--- /dev/null
+++ b/libs/rs/rsVertexArray.cpp
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "rsContext.h"
+
+#include <GLES/gl.h>
+#include <GLES2/gl2.h>
+
+using namespace android;
+using namespace android::renderscript;
+
+
+VertexArray::VertexArray()
+{
+    clearAll();
+}
+
+VertexArray::~VertexArray()
+{
+}
+
+
+void VertexArray::clearAll()
+{
+    for (uint32_t ct=0; ct < RS_MAX_ATTRIBS; ct++) {
+        mAttribs[ct].clear();
+    }
+    mActiveBuffer = 0;
+    mCount = 0;
+}
+
+VertexArray::Attrib::Attrib()
+{
+    clear();
+}
+
+void VertexArray::Attrib::set(const Attrib &a)
+{
+    buffer = a.buffer;
+    offset = a.offset;
+    type = a.type;
+    size = a.size;
+    stride = a.stride;
+    normalized = a.normalized;
+    kind = RS_KIND_USER;
+    name.setTo(a.name);
+}
+
+void VertexArray::Attrib::clear()
+{
+    buffer = 0;
+    offset = 0;
+    type = 0;
+    size = 0;
+    stride = 0;
+    normalized = false;
+    name.setTo("");
+}
+
+void VertexArray::clear(uint32_t n)
+{
+    mAttribs[n].clear();
+}
+
+void VertexArray::addUser(const Attrib &a, uint32_t stride)
+{
+    assert(mCount < RS_MAX_ATTRIBS);
+    mAttribs[mCount].set(a);
+    mAttribs[mCount].buffer = mActiveBuffer;
+    mAttribs[mCount].stride = stride;
+    mAttribs[mCount].kind = RS_KIND_USER;
+    mCount ++;
+}
+
+void VertexArray::addLegacy(uint32_t type, uint32_t size, uint32_t stride, RsDataKind kind, bool normalized, uint32_t offset)
+{
+    assert(mCount < RS_MAX_ATTRIBS);
+    mAttribs[mCount].clear();
+    mAttribs[mCount].type = type;
+    mAttribs[mCount].size = size;
+    mAttribs[mCount].offset = offset;
+    mAttribs[mCount].normalized = normalized;
+    mAttribs[mCount].buffer = mActiveBuffer;
+    mAttribs[mCount].stride = stride;
+    mAttribs[mCount].kind = kind;
+    mCount ++;
+}
+
+void VertexArray::logAttrib(uint32_t idx, uint32_t slot) const {
+    LOGE("va %i: slot=%i name=%s buf=%i  size=%i  type=0x%x  kind=%i  stride=0x%x  norm=%i  offset=0x%x", idx, slot,
+         mAttribs[idx].name.string(),
+         mAttribs[idx].buffer,
+         mAttribs[idx].size,
+         mAttribs[idx].type,
+         mAttribs[idx].kind,
+         mAttribs[idx].stride,
+         mAttribs[idx].normalized,
+         mAttribs[idx].offset);
+}
+
+void VertexArray::setupGL(const Context *rsc, class VertexArrayState *state) const
+{
+    glClientActiveTexture(GL_TEXTURE0);
+    glDisableClientState(GL_NORMAL_ARRAY);
+    glDisableClientState(GL_COLOR_ARRAY);
+    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+    glDisableClientState(GL_POINT_SIZE_ARRAY_OES);
+
+    for (uint32_t ct=0; ct < mCount; ct++) {
+        switch(mAttribs[ct].kind) {
+        case RS_KIND_POSITION:
+            //logAttrib(POSITION);
+            glEnableClientState(GL_VERTEX_ARRAY);
+            glBindBuffer(GL_ARRAY_BUFFER, mAttribs[ct].buffer);
+            glVertexPointer(mAttribs[ct].size,
+                            mAttribs[ct].type,
+                            mAttribs[ct].stride,
+                            (void *)mAttribs[ct].offset);
+            break;
+
+        case RS_KIND_NORMAL:
+            //logAttrib(NORMAL);
+            glEnableClientState(GL_NORMAL_ARRAY);
+            rsAssert(mAttribs[ct].size == 3);
+            glBindBuffer(GL_ARRAY_BUFFER, mAttribs[ct].buffer);
+            glNormalPointer(mAttribs[ct].type,
+                            mAttribs[ct].stride,
+                            (void *)mAttribs[ct].offset);
+            break;
+
+        case RS_KIND_COLOR:
+            //logAttrib(COLOR);
+            glEnableClientState(GL_COLOR_ARRAY);
+            glBindBuffer(GL_ARRAY_BUFFER, mAttribs[ct].buffer);
+            glColorPointer(mAttribs[ct].size,
+                           mAttribs[ct].type,
+                           mAttribs[ct].stride,
+                           (void *)mAttribs[ct].offset);
+            break;
+
+        case RS_KIND_TEXTURE:
+            //logAttrib(TEXTURE);
+            glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+            glBindBuffer(GL_ARRAY_BUFFER, mAttribs[ct].buffer);
+            glTexCoordPointer(mAttribs[ct].size,
+                              mAttribs[ct].type,
+                              mAttribs[ct].stride,
+                              (void *)mAttribs[ct].offset);
+            break;
+
+        case RS_KIND_POINT_SIZE:
+            //logAttrib(POINT_SIZE);
+            glEnableClientState(GL_POINT_SIZE_ARRAY_OES);
+            glBindBuffer(GL_ARRAY_BUFFER, mAttribs[ct].buffer);
+            glPointSizePointerOES(mAttribs[ct].type,
+                                  mAttribs[ct].stride,
+                                  (void *)mAttribs[ct].offset);
+            break;
+
+        default:
+            rsAssert(0);
+        }
+    }
+
+    rsc->checkError("VertexArray::setupGL");
+}
+
+void VertexArray::setupGL2(const Context *rsc, class VertexArrayState *state, ShaderCache *sc) const
+{
+    rsc->checkError("VertexArray::setupGL2 start");
+    for (uint32_t ct=1; ct <= state->mLastEnableCount; ct++) {
+        glDisableVertexAttribArray(ct);
+    }
+
+    rsc->checkError("VertexArray::setupGL2 disabled");
+    for (uint32_t ct=0; ct < mCount; ct++) {
+        uint32_t slot = 0;
+        if (sc->isUserVertexProgram()) {
+            slot = sc->vtxAttribSlot(ct);
+        } else {
+            slot = sc->vtxAttribSlot(mAttribs[ct].kind);
+        }
+
+        //logAttrib(ct, slot);
+        glEnableVertexAttribArray(slot);
+        glBindBuffer(GL_ARRAY_BUFFER, mAttribs[ct].buffer);
+
+        glVertexAttribPointer(slot,
+                              mAttribs[ct].size,
+                              mAttribs[ct].type,
+                              mAttribs[ct].normalized,
+                              mAttribs[ct].stride,
+                              (void *)mAttribs[ct].offset);
+    }
+    state->mLastEnableCount = mCount;
+    rsc->checkError("VertexArray::setupGL2 done");
+}
+////////////////////////////////////////////
+
+void VertexArrayState::init(Context *) {
+    mLastEnableCount = 0;
+}
+