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/*
* Copyright © 2009 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
// author: Ben Holmes
#include "piglit-util.h"
static GLboolean Automatic = GL_FALSE;
static GLuint vBuffer;
static void
Init(void)
{
glewInit();
piglit_require_extension("GL_ARB_vertex_buffer_object");
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, 400, 0, 300, -1, 1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
}
static void
vboInit(void)
{
static const GLfloat vArray[12] = {
225, 125, 0,
225, 175, 0,
175, 125, 0,
175, 175, 0
};
glGenBuffersARB(1, &vBuffer);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vBuffer);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(vArray),
vArray, GL_STATIC_DRAW_ARB);
}
static GLboolean
vboMap(void)
{
(void) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_READ_WRITE_ARB);
glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
return (glGetError() == 0);
}
static void
display(void)
{
GLfloat gray[3] = {0.5, 0.5, 0.5};
GLboolean pass;
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vBuffer);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0 ,0);
glColor3f(0.5, 0.5, 0.5);
glClear(GL_COLOR_BUFFER_BIT);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
pass = vboMap();
pass = pass && piglit_probe_pixel_rgb(200, 150, gray);
glFinish();
glutSwapBuffers();
if (Automatic)
piglit_report_result(pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE);
}
int main(int argc, char **argv)
{
glutInit(&argc, argv);
if(argc==2 && !strncmp(argv[1],"-auto", 5))
Automatic = GL_TRUE;
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
glutInitWindowSize(400, 300);
glutCreateWindow("VBO map");
glutDisplayFunc(display);
glutKeyboardFunc(piglit_escape_exit_key);
Init();
vboInit();
glutMainLoop();
glDeleteBuffersARB(1, &vBuffer);
return 0;
}
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