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Unified Diff: gpu/demos/hello_triangle/main.cc

Issue 465051: Added an application framework for demos. Ported hello-triangle example in Op... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 10 years, 12 months ago
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Index: gpu/demos/hello_triangle/main.cc
===================================================================
--- gpu/demos/hello_triangle/main.cc (revision 0)
+++ gpu/demos/hello_triangle/main.cc (revision 0)
@@ -0,0 +1,64 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This is a simple example that draws a single triangle with
+// a minimal vertex/fragment shader. The purpose of this
+// example is to demonstrate the basic concepts of
+// OpenGL ES 2.0 rendering.
+
+#include "gpu/demos/app_framework/application.h"
+#include "third_party/gles_book_examples/Chapter_2/Hello_Triangle/Hello_Triangle.h"
+
+namespace gpu_demos {
+class HelloTriangle : public Application {
+ public:
+ HelloTriangle();
+ ~HelloTriangle();
+
+ bool Init();
+
+ protected:
+ virtual void Draw();
+
+ private:
+ ESContext context_;
+ HTUserData user_data_;
+};
+
+HelloTriangle::HelloTriangle() {
+ esInitContext(&context_);
+
+ memset(&user_data_, 0, sizeof(HTUserData));
+ context_.userData = &user_data_;
+}
+
+HelloTriangle::~HelloTriangle() {
+ htShutDown(&context_);
+}
+
+bool HelloTriangle::Init() {
+ if (!Application::InitRenderContext()) return false;
+
+ context_.width = width();
+ context_.height = height();
+ if (!htInit(&context_)) return false;
+
+ return true;
+}
+
+void HelloTriangle::Draw() {
+ htDraw(&context_);
+}
+} // namespace gpu_demos
+
+int main(int argc, char *argv[]) {
+ gpu_demos::HelloTriangle app;
+ if (!app.Init()) {
+ printf("Could not init.\n");
+ return EXIT_FAILURE;
+ }
+
+ app.MainLoop();
+ return EXIT_SUCCESS;
+}
Property changes on: gpu\demos\hello_triangle\main.cc
___________________________________________________________________
Added: svn:eol-style
+ LF
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