#include <stdio.h>
#include <stdlib.h>
#include <math.h>
+#include <GL/glew.h>
#include <GL/glut.h>
-#include <GL/glu.h>
-#include <GL/glext.h>
-#include "extfuncs.h"
#include "shaderutil.h"
static struct uniform_info Uniforms[] = {
- { "LightPosition", 3, GL_FLOAT, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 },
- { "SurfaceColor", 3, GL_FLOAT, { 0.8, 0.8, 0.2, 0 }, -1 },
- { "BumpDensity", 1, GL_FLOAT, { 10.0, 0, 0, 0 }, -1 },
- { "BumpSize", 1, GL_FLOAT, { 0.125, 0, 0, 0 }, -1 },
- { "SpecularFactor", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 },
+ { "LightPosition", 1, GL_FLOAT_VEC3, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 },
+ { "SurfaceColor", 1, GL_FLOAT_VEC3, { 0.8, 0.8, 0.2, 0 }, -1 },
+ { "BumpDensity", 1, GL_FLOAT, { 10.0, 0, 0, 0 }, -1 },
+ { "BumpSize", 1, GL_FLOAT, { 0.125, 0, 0, 0 }, -1 },
+ { "SpecularFactor", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 },
END_OF_UNIFORMS
};
Square(GLfloat size)
{
glNormal3f(0, 0, 1);
- glVertexAttrib3f_func(tangentAttrib, 1, 0, 0);
+ glVertexAttrib3f(tangentAttrib, 1, 0, 0);
glBegin(GL_POLYGON);
glTexCoord2f(0, 0); glVertex2f(-size, -size);
glTexCoord2f(1, 0); glVertex2f( size, -size);
static void
Reshape(int width, int height)
{
+ float ar = (float) width / (float) height;
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
- glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+ glFrustum(-ar, ar, -1.0, 1.0, 5.0, 25.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.0f, 0.0f, -15.0f);
static void
CleanUp(void)
{
- glDeleteShader_func(fragShader);
- glDeleteShader_func(vertShader);
- glDeleteProgram_func(program);
+ glDeleteShader(fragShader);
+ glDeleteShader(vertShader);
+ glDeleteProgram(program);
glutDestroyWindow(win);
}
if (!ShadersSupported())
exit(1);
- GetExtensionFuncs();
-
vertShader = CompileShaderFile(GL_VERTEX_SHADER, VertProgFile);
fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragProgFile);
program = LinkShaders(vertShader, fragShader);
- glUseProgram_func(program);
+ glUseProgram(program);
- assert(glIsProgram_func(program));
- assert(glIsShader_func(fragShader));
- assert(glIsShader_func(vertShader));
+ assert(glIsProgram(program));
+ assert(glIsShader(fragShader));
+ assert(glIsShader(vertShader));
assert(glGetError() == 0);
CheckError(__LINE__);
- InitUniforms(program, Uniforms);
+ SetUniformValues(program, Uniforms);
+ PrintUniforms(Uniforms);
CheckError(__LINE__);
- tangentAttrib = glGetAttribLocation_func(program, "Tangent");
+ tangentAttrib = glGetAttribLocation(program, "Tangent");
printf("Tangent Attrib: %d\n", tangentAttrib);
assert(tangentAttrib >= 0);
glutInitWindowSize(400, 400);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
win = glutCreateWindow(argv[0]);
+ glewInit();
glutReshapeFunc(Reshape);
glutKeyboardFunc(Key);
glutSpecialFunc(SpecialKey);