Merge libGLESv2 and libEGL classes into libANGLE.
BUG=angle:733
Change-Id: Ic491c971411fe82c56cd97c5c8325ac14ec218df
Reviewed-on: https://chromium-review.googlesource.com/230830
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libANGLE/renderer/ProgramImpl.cpp b/src/libANGLE/renderer/ProgramImpl.cpp
new file mode 100644
index 0000000..047691f
--- /dev/null
+++ b/src/libANGLE/renderer/ProgramImpl.cpp
@@ -0,0 +1,145 @@
+//
+// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramD3D.cpp: Defines the rx::ProgramD3D class which implements rx::ProgramImpl.
+
+#include "libANGLE/renderer/ProgramImpl.h"
+
+#include "common/utilities.h"
+
+namespace rx
+{
+
+namespace
+{
+
+unsigned int ParseAndStripArrayIndex(std::string* name)
+{
+ unsigned int subscript = GL_INVALID_INDEX;
+
+ // Strip any trailing array operator and retrieve the subscript
+ size_t open = name->find_last_of('[');
+ size_t close = name->find_last_of(']');
+ if (open != std::string::npos && close == name->length() - 1)
+ {
+ subscript = atoi(name->substr(open + 1).c_str());
+ name->erase(open);
+ }
+
+ return subscript;
+}
+
+}
+
+ProgramImpl::~ProgramImpl()
+{
+ // Ensure that reset was called by the inherited class during destruction
+ ASSERT(mUniformIndex.size() == 0);
+}
+
+gl::LinkedUniform *ProgramImpl::getUniformByLocation(GLint location) const
+{
+ ASSERT(location >= 0 && static_cast<size_t>(location) < mUniformIndex.size());
+ return mUniforms[mUniformIndex[location].index];
+}
+
+gl::LinkedUniform *ProgramImpl::getUniformByName(const std::string &name) const
+{
+ for (size_t uniformIndex = 0; uniformIndex < mUniforms.size(); uniformIndex++)
+ {
+ if (mUniforms[uniformIndex]->name == name)
+ {
+ return mUniforms[uniformIndex];
+ }
+ }
+
+ return NULL;
+}
+
+gl::UniformBlock *ProgramImpl::getUniformBlockByIndex(GLuint blockIndex) const
+{
+ ASSERT(blockIndex < mUniformBlocks.size());
+ return mUniformBlocks[blockIndex];
+}
+
+GLint ProgramImpl::getUniformLocation(std::string name)
+{
+ unsigned int subscript = ParseAndStripArrayIndex(&name);
+
+ unsigned int numUniforms = mUniformIndex.size();
+ for (unsigned int location = 0; location < numUniforms; location++)
+ {
+ if (mUniformIndex[location].name == name)
+ {
+ const int index = mUniformIndex[location].index;
+ const bool isArray = mUniforms[index]->isArray();
+
+ if ((isArray && mUniformIndex[location].element == subscript) ||
+ (subscript == GL_INVALID_INDEX))
+ {
+ return location;
+ }
+ }
+ }
+
+ return -1;
+}
+
+GLuint ProgramImpl::getUniformIndex(std::string name)
+{
+ unsigned int subscript = ParseAndStripArrayIndex(&name);
+
+ // The app is not allowed to specify array indices other than 0 for arrays of basic types
+ if (subscript != 0 && subscript != GL_INVALID_INDEX)
+ {
+ return GL_INVALID_INDEX;
+ }
+
+ unsigned int numUniforms = mUniforms.size();
+ for (unsigned int index = 0; index < numUniforms; index++)
+ {
+ if (mUniforms[index]->name == name)
+ {
+ if (mUniforms[index]->isArray() || subscript == GL_INVALID_INDEX)
+ {
+ return index;
+ }
+ }
+ }
+
+ return GL_INVALID_INDEX;
+}
+
+GLuint ProgramImpl::getUniformBlockIndex(std::string name) const
+{
+ unsigned int subscript = ParseAndStripArrayIndex(&name);
+
+ unsigned int numUniformBlocks = mUniformBlocks.size();
+ for (unsigned int blockIndex = 0; blockIndex < numUniformBlocks; blockIndex++)
+ {
+ const gl::UniformBlock &uniformBlock = *mUniformBlocks[blockIndex];
+ if (uniformBlock.name == name)
+ {
+ const bool arrayElementZero = (subscript == GL_INVALID_INDEX && uniformBlock.elementIndex == 0);
+ if (subscript == uniformBlock.elementIndex || arrayElementZero)
+ {
+ return blockIndex;
+ }
+ }
+ }
+
+ return GL_INVALID_INDEX;
+}
+
+void ProgramImpl::reset()
+{
+ SafeDeleteContainer(mUniforms);
+ mUniformIndex.clear();
+ SafeDeleteContainer(mUniformBlocks);
+ mTransformFeedbackLinkedVaryings.clear();
+}
+
+}