You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.4 KiB
56 lines
1.4 KiB
4 months ago
|
//
|
||
|
|
// Copyright 2018 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 Hello_Triangle.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 "util/shader_utils.h"
|
||
|
|
|
||
|
|
class GLES1HelloTriangleSample : public SampleApplication
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
GLES1HelloTriangleSample(int argc, char **argv)
|
||
|
|
: SampleApplication("GLES1HelloTriangle", argc, argv, 1, 0)
|
||
|
|
{}
|
||
|
|
|
||
|
|
bool initialize() override
|
||
|
|
{
|
||
|
|
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void draw() override
|
||
|
|
{
|
||
|
|
GLfloat vertices[] = {
|
||
|
|
0.0f, 0.5f, 0.0f, -0.5f, -0.5f, 0.0f, 0.5f, -0.5f, 0.0f,
|
||
|
|
};
|
||
|
|
|
||
|
|
glViewport(0, 0, getWindow()->getWidth(), getWindow()->getHeight());
|
||
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
||
|
|
|
||
|
|
glEnableClientState(GL_VERTEX_ARRAY);
|
||
|
|
glVertexPointer(3, GL_FLOAT, 0, vertices);
|
||
|
|
|
||
|
|
glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
|
||
|
|
|
||
|
|
glDrawArrays(GL_TRIANGLES, 0, 3);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
int main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
GLES1HelloTriangleSample app(argc, argv);
|
||
|
|
return app.run();
|
||
|
|
}
|