Begin gl2 support. Renderscript still uses GL1.1 by default. However, 2.0 can be enabled and will render most tests correctly.
diff --git a/rsShaderCache.cpp b/rsShaderCache.cpp
new file mode 100644
index 0000000..2727e6c
--- /dev/null
+++ b/rsShaderCache.cpp
@@ -0,0 +1,145 @@
+/*
+ * 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;
+
+
+ShaderCache::ShaderCache()
+{
+ mEntryCount = 0;
+ mEntryAllocationCount = 16;
+ mEntries = (entry_t *)calloc(mEntryAllocationCount, sizeof(entry_t));
+}
+
+ShaderCache::~ShaderCache()
+{
+ for (uint32_t ct=0; ct < mEntryCount; ct++) {
+ glDeleteProgram(mEntries[ct].program);
+ }
+
+ mEntryCount = 0;
+ mEntryAllocationCount = 0;
+ free(mEntries);
+}
+
+bool ShaderCache::lookup(ProgramVertex *vtx, ProgramFragment *frag)
+{
+ if (!vtx->getShaderID()) {
+ vtx->loadShader();
+ }
+ if (!frag->getShaderID()) {
+ frag->loadShader();
+ }
+
+ for (uint32_t ct=0; ct < mEntryCount; ct++) {
+ if ((mEntries[ct].vtx == vtx->getShaderID()) &&
+ (mEntries[ct].frag == frag->getShaderID())) {
+
+ //LOGV("SC using program %i", mEntries[ct].program);
+ glUseProgram(mEntries[ct].program);
+ mCurrent = &mEntries[ct];
+ return true;
+ }
+ }
+ // Not in cache, add it.
+
+ if (mEntryAllocationCount == mEntryCount) {
+ // Out of space, make some.
+ mEntryAllocationCount *= 2;
+ entry_t *e = (entry_t *)calloc(mEntryAllocationCount, sizeof(entry_t));
+ if (!e) {
+ LOGE("Out of memory for ShaderCache::lookup");
+ return false;
+ }
+ memcpy(e, mEntries, sizeof(entry_t) * mEntryCount);
+ free(mEntries);
+ mEntries = e;
+ }
+
+ LOGV("vtx %i, frag %i", vtx->getShaderID(), frag->getShaderID());
+ LOGE("e0 %x", glGetError());
+
+ entry_t *e = &mEntries[mEntryCount];
+ mCurrent = e;
+ e->vtx = vtx->getShaderID();
+ e->frag = frag->getShaderID();
+ e->program = glCreateProgram();
+ if (mEntries[mEntryCount].program) {
+ GLuint pgm = e->program;
+ glAttachShader(pgm, vtx->getShaderID());
+ //LOGE("e1 %x", glGetError());
+ glAttachShader(pgm, frag->getShaderID());
+
+ glBindAttribLocation(pgm, VertexArray::POSITION, "attrib_Position");
+ glBindAttribLocation(pgm, VertexArray::COLOR, "attrib_Color");
+
+
+ //LOGE("e2 %x", glGetError());
+ glLinkProgram(pgm);
+ //LOGE("e3 %x", glGetError());
+ GLint linkStatus = GL_FALSE;
+ glGetProgramiv(pgm, GL_LINK_STATUS, &linkStatus);
+ if (linkStatus != GL_TRUE) {
+ GLint bufLength = 0;
+ glGetProgramiv(pgm, GL_INFO_LOG_LENGTH, &bufLength);
+ if (bufLength) {
+ char* buf = (char*) malloc(bufLength);
+ if (buf) {
+ glGetProgramInfoLog(pgm, bufLength, NULL, buf);
+ LOGE("Could not link program:\n%s\n", buf);
+ free(buf);
+ }
+ }
+ glDeleteProgram(pgm);
+ }
+ for (uint32_t ct=0; ct < vtx->getAttribCount(); ct++) {
+ e->mVtxAttribSlots[ct] = glGetAttribLocation(pgm, vtx->getAttribName(ct));
+ LOGV("vtx A, %s = %d\n", vtx->getAttribName(ct).string(), e->mVtxAttribSlots[ct]);
+ }
+ for (uint32_t ct=0; ct < vtx->getUniformCount(); ct++) {
+ e->mVtxUniformSlots[ct] = glGetUniformLocation(pgm, vtx->getUniformName(ct));
+ LOGV("vtx U, %s = %d\n", vtx->getUniformName(ct).string(), e->mVtxUniformSlots[ct]);
+ }
+ for (uint32_t ct=0; ct < vtx->getUniformCount(); ct++) {
+ e->mFragUniformSlots[ct] = glGetUniformLocation(pgm, frag->getUniformName(ct));
+ LOGV("frag U, %s = %d\n", frag->getUniformName(ct).string(), e->mFragUniformSlots[ct]);
+ }
+ }
+
+ LOGV("SC made program %i", e->program);
+ glUseProgram(e->program);
+ mEntryCount++;
+ return true;
+}
+
+void ShaderCache::cleanupVertex(uint32_t id)
+{
+}
+
+void ShaderCache::cleanupFragment(uint32_t id)
+{
+}
+
+void ShaderCache::cleanupAll()
+{
+}
+
