1 files changed, 141 insertions, 0 deletions
diff --git a/chromium/third_party/angle/samples/angle/simple_texture_2d/SimpleTexture2D.cpp b/chromium/third_party/angle/samples/angle/simple_texture_2d/SimpleTexture2D.cpp
new file mode 100644
index 00000000000..33b00062afc
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+++ b/chromium/third_party/angle/samples/angle/simple_texture_2d/SimpleTexture2D.cpp
@@ -0,0 +1,141 @@
+//
+// 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.
+//
+
+//            Based on Simple_Texture2D.c from
+// Book:      OpenGL(R) ES 2.0 Programming Guide
+// Authors:   Aaftab Munshi, Dan Ginsburg, Dave Shreiner
+// ISBN-10:   0321502795
+// ISBN-13:   9780321502797
+// Publisher: Addison-Wesley Professional
+// URLs:      http://safari.informit.com/9780321563835
+//            http://www.opengles-book.com
+
+#include "SampleApplication.h"
+#include "shader_utils.h"
+#include "texture_utils.h"
+
+class SimpleTexture2DSample : public SampleApplication
+{
+  public:
+    SimpleTexture2DSample::SimpleTexture2DSample()
+        : SampleApplication("SimpleTexture2D", 1280, 720)
+    {
+    }
+
+    virtual bool initialize()
+    {
+        const std::string vs = SHADER_SOURCE
+        (
+            attribute vec4 a_position;
+            attribute vec2 a_texCoord;
+            varying vec2 v_texCoord;
+            void main()
+            {
+                gl_Position = a_position;
+                v_texCoord = a_texCoord;
+            }
+        );
+
+        const std::string fs = SHADER_SOURCE
+        (
+            precision mediump float;
+            varying vec2 v_texCoord;
+            uniform sampler2D s_texture;
+            void main()
+            {
+                gl_FragColor = texture2D(s_texture, v_texCoord);
+            }
+        );
+
+        mProgram = CompileProgram(vs, fs);
+        if (!mProgram)
+        {
+            return false;
+        }
+
+        // Get the attribute locations
+        mPositionLoc = glGetAttribLocation(mProgram, "a_position");
+        mTexCoordLoc = glGetAttribLocation(mProgram, "a_texCoord");
+
+        // Get the sampler location
+        mSamplerLoc = glGetUniformLocation(mProgram, "s_texture");
+
+        // Load the texture
+        mTexture = CreateSimpleTexture2D();
+
+        glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+
+        return true;
+    }
+
+    virtual void destroy()
+    {
+        glDeleteProgram(mProgram);
+        glDeleteTextures(1, &mTexture);
+    }
+
+    virtual void draw()
+    {
+        GLfloat vertices[] =
+        {
+            -0.5f,  0.5f, 0.0f,  // Position 0
+             0.0f,  0.0f,        // TexCoord 0
+            -0.5f, -0.5f, 0.0f,  // Position 1
+             0.0f,  1.0f,        // TexCoord 1
+             0.5f, -0.5f, 0.0f,  // Position 2
+             1.0f,  1.0f,        // TexCoord 2
+             0.5f,  0.5f, 0.0f,  // Position 3
+             1.0f,  0.0f         // TexCoord 3
+        };
+        GLushort indices[] = { 0, 1, 2, 0, 2, 3 };
+
+        // Set the viewport
+        glViewport(0, 0, getWindow()->getWidth(), getWindow()->getHeight());
+
+        // Clear the color buffer
+        glClear(GL_COLOR_BUFFER_BIT);
+
+        // Use the program object
+        glUseProgram(mProgram);
+
+        // Load the vertex position
+        glVertexAttribPointer(mPositionLoc, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(GLfloat), vertices);
+        // Load the texture coordinate
+        glVertexAttribPointer(mTexCoordLoc, 2, GL_FLOAT, GL_FALSE, 5 * sizeof(GLfloat), vertices + 3);
+
+        glEnableVertexAttribArray(mPositionLoc);
+        glEnableVertexAttribArray(mTexCoordLoc);
+
+        // Bind the texture
+        glActiveTexture(GL_TEXTURE0);
+        glBindTexture(GL_TEXTURE_2D, mTexture);
+
+        // Set the texture sampler to texture unit to 0
+        glUniform1i(mSamplerLoc, 0);
+
+        glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices);
+    }
+
+  private:
+    // Handle to a program object
+    GLuint mProgram;
+
+    // Attribute locations
+    GLint mPositionLoc;
+    GLint mTexCoordLoc;
+
+    // Sampler location
+    GLint mSamplerLoc;
+
+    // Texture handle
+    GLuint mTexture;
+};
+
+int main(int argc, char **argv)
+{
+    SimpleTexture2DSample app;
+    return app.run();
+}