Split GrGLContextInfo into GrGLContext & GrGLContextInfo
https://codereview.appspot.com/7436045/
git-svn-id: http://skia.googlecode.com/svn/trunk@7905 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLContext.cpp b/src/gpu/gl/GrGLContext.cpp
new file mode 100644
index 0000000..ba4196d
--- /dev/null
+++ b/src/gpu/gl/GrGLContext.cpp
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrGLContext.h"
+
+////////////////////////////////////////////////////////////////////////////////
+GrGLContextInfo& GrGLContextInfo::operator= (const GrGLContextInfo& ctxInfo) {
+ fBindingInUse = ctxInfo.fBindingInUse;
+ fGLVersion = ctxInfo.fGLVersion;
+ fGLSLGeneration = ctxInfo.fGLSLGeneration;
+ fVendor = ctxInfo.fVendor;
+ fExtensions = ctxInfo.fExtensions;
+ fGLCaps = ctxInfo.fGLCaps;
+ return *this;
+}
+
+bool GrGLContextInfo::initialize(const GrGLInterface* interface) {
+ this->reset();
+ // We haven't validated the GrGLInterface yet, so check for GetString
+ // function pointer
+ if (interface->fGetString) {
+ const GrGLubyte* verUByte;
+ GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION));
+ const char* ver = reinterpret_cast<const char*>(verUByte);
+ GrGLBinding binding = GrGLGetBindingInUseFromString(ver);
+
+ if (0 != binding && interface->validate(binding) && fExtensions.init(binding, interface)) {
+ fBindingInUse = binding;
+
+ fGLVersion = GrGLGetVersionFromString(ver);
+
+ fGLSLGeneration = GrGetGLSLGeneration(fBindingInUse, interface);
+
+ fVendor = GrGLGetVendor(interface);
+ fGLCaps.init(*this, interface);
+ return true;
+ }
+ }
+ return false;
+}
+
+bool GrGLContextInfo::isInitialized() const {
+ return kNone_GrGLBinding != fBindingInUse;
+}
+
+void GrGLContextInfo::reset() {
+ fBindingInUse = kNone_GrGLBinding;
+ fGLVersion = GR_GL_VER(0, 0);
+ fGLSLGeneration = static_cast<GrGLSLGeneration>(0);
+ fVendor = kOther_GrGLVendor;
+ fExtensions.reset();
+ fGLCaps.reset();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+GrGLContext::GrGLContext(const GrGLInterface* interface) {
+ fInterface = NULL;
+ this->initialize(interface);
+}
+
+GrGLContext::GrGLContext(const GrGLContext& ctx) {
+ fInterface = NULL;
+ *this = ctx;
+}
+
+GrGLContext& GrGLContext::operator = (const GrGLContext& ctx) {
+ GrSafeAssign(fInterface, ctx.fInterface);
+ fInfo = ctx.fInfo;
+ return *this;
+}
+
+void GrGLContext::reset() {
+ GrSafeSetNull(fInterface);
+ fInfo.reset();
+}
+
+bool GrGLContext::initialize(const GrGLInterface* interface) {
+ if (fInfo.initialize(interface)) {
+ fInterface = interface;
+ interface->ref();
+ return true;
+ }
+ return false;
+}