1 files changed, 139 insertions, 0 deletions
diff --git a/libs/rs/rsProgramVertex.cpp b/libs/rs/rsProgramVertex.cpp
new file mode 100644
index 0000000..19afad5
--- /dev/null
+++ b/libs/rs/rsProgramVertex.cpp
@@ -0,0 +1,139 @@
+/*
+ * 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 "rsProgramVertex.h"
+
+using namespace android;
+using namespace android::renderscript;
+
+
+ProgramVertex::ProgramVertex(Element *in, Element *out) :
+    Program(in, out)
+{
+    mTextureMatrixEnable = false;
+}
+
+ProgramVertex::~ProgramVertex()
+{
+}
+
+static void logMatrix(const char *txt, const float *f)
+{
+    LOGE("Matrix %s, %p", txt, f);
+    LOGE("%6.2f, %6.2f, %6.2f, %6.2f", f[0], f[4], f[8], f[12]);
+    LOGE("%6.2f, %6.2f, %6.2f, %6.2f", f[1], f[5], f[9], f[13]);
+    LOGE("%6.2f, %6.2f, %6.2f, %6.2f", f[2], f[6], f[10], f[14]);
+    LOGE("%6.2f, %6.2f, %6.2f, %6.2f", f[3], f[7], f[11], f[15]);
+}
+
+void ProgramVertex::setupGL()
+{
+    const float *f = static_cast<const float *>(mConstants[0]->getPtr());
+
+    glMatrixMode(GL_TEXTURE);
+    if (mTextureMatrixEnable) {
+        glLoadMatrixf(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET]);
+    } else {
+        glLoadIdentity();
+    }
+
+    //logMatrix("prog", &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
+    //logMatrix("model", &f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadMatrixf(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadMatrixf(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
+}
+
+void ProgramVertex::setConstantType(uint32_t slot, const Type *t)
+{
+    mConstantTypes[slot].set(t);
+}
+
+void ProgramVertex::bindAllocation(uint32_t slot, Allocation *a)
+{
+    mConstants[slot].set(a);
+}
+
+
+ProgramVertexState::ProgramVertexState()
+{
+    mPV = NULL;
+}
+
+ProgramVertexState::~ProgramVertexState()
+{
+    delete mPV;
+}
+
+void ProgramVertexState::init(Context *rsc, int32_t w, int32_t h)
+{
+    ProgramVertex *pv = new ProgramVertex(NULL, NULL);
+    Allocation *alloc = (Allocation *)
+        rsi_AllocationCreatePredefSized(rsc, RS_ELEMENT_USER_FLOAT, 48);
+    mDefaultAlloc.set(alloc);
+    mDefault.set(pv);
+
+    pv->bindAllocation(0, alloc);
+    
+    Matrix m;
+    m.loadOrtho(0,w, h,0, -1,1);
+    alloc->subData(RS_PROGRAM_VERTEX_PROJECTION_OFFSET, 16, &m.m[0]);
+
+    m.loadIdentity();
+    alloc->subData(RS_PROGRAM_VERTEX_MODELVIEW_OFFSET, 16, &m.m[0]);
+}
+
+
+namespace android {
+namespace renderscript {
+
+void rsi_ProgramVertexBegin(Context *rsc, RsElement in, RsElement out)
+{
+    delete rsc->mStateVertex.mPV;
+    rsc->mStateVertex.mPV = new ProgramVertex((Element *)in, (Element *)out);
+}
+
+RsProgramVertex rsi_ProgramVertexCreate(Context *rsc)
+{
+    ProgramVertex *pv = rsc->mStateVertex.mPV;
+    pv->incRef();
+    rsc->mStateVertex.mPV = 0;
+    return pv;
+}
+
+void rsi_ProgramVertexBindAllocation(Context *rsc, RsProgramVertex vpgm, uint32_t slot, RsAllocation constants)
+{
+    ProgramVertex *pv = static_cast<ProgramVertex *>(vpgm);
+    pv->bindAllocation(slot, static_cast<Allocation *>(constants));
+}
+
+void rsi_ProgramVertexSetType(Context *rsc, uint32_t slot, RsType constants)
+{
+    rsc->mStateVertex.mPV->setConstantType(slot, static_cast<const Type *>(constants));
+}
+
+void rsi_ProgramVertexSetTextureMatrixEnable(Context *rsc, bool enable)
+{
+    rsc->mStateVertex.mPV->setTextureMatrixEnable(enable);
+}
+
+
+
+}
+}