147 lines
2.6 KiB
C
147 lines
2.6 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <windows.h>
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include "glaux.h"
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GLboolean single = GL_FALSE;
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GLboolean no_op = GL_FALSE;
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int width = 512;
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int height = 512;
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void TriangleAt(GLfloat x, GLfloat y, GLfloat z,
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GLfloat w, GLfloat h,
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BOOL colors)
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{
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glPushMatrix();
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glTranslatef(x, y, z);
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glBegin (GL_TRIANGLES);
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if (colors)
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{
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glColor3f(1.0f, 0.0f, 0.0f);
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}
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glVertex2f (0.0f, 0.0f);
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if (colors)
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{
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glColor3f(0.0f, 1.0f, 0.0f);
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}
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glVertex2f (w, h);
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if (colors)
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{
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glColor3f(0.0f, 0.0f, 1.0f);
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}
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glVertex2f (0.0f, h);
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glEnd ();
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glPopMatrix();
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}
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void SquareAt(GLfloat x, GLfloat y, GLfloat z,
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GLfloat w, GLfloat h,
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BOOL colors)
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{
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glPushMatrix();
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glTranslatef(x, y, z);
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glBegin (GL_POLYGON);
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if (colors)
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{
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glColor3f(1.0f, 0.0f, 0.0f);
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}
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glVertex2f (0.0f, 0.0f);
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if (colors)
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{
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glColor3f(0.0f, 1.0f, 0.0f);
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}
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glVertex2f (w, 0.0f);
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if (colors)
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{
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glColor3f(0.0f, 0.0f, 1.0f);
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}
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glVertex2f (w, h);
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if (colors)
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{
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glColor3f(1.0f, 0.0f, 1.0f);
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}
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glVertex2f (0.0f, h);
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glEnd ();
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glPopMatrix();
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}
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void Test(void)
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{
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int x, y;
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for (y = 0; y < 4; y++)
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{
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for (x = 0; x < 4; x++)
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{
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glDisable(GL_COLOR_LOGIC_OP);
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glColor3ub(255, 0, 0);
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TriangleAt(-1.0f+x*0.5f, -1.0f+y*0.5f, 0.0f, 0.5f, 0.5f, FALSE);
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if (!no_op)
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{
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glEnable(GL_COLOR_LOGIC_OP);
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glLogicOp(GL_CLEAR+x+y*4);
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glColor3ub(255, 255, 0);
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SquareAt(-1.0f+x*0.5f, -1.0f+y*0.5f, 0.0f, 0.5f, 0.5f, FALSE);
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}
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}
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}
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}
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void Display(void)
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{
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glClear(GL_COLOR_BUFFER_BIT);
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Test();
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if (single)
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{
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glFlush();
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}
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else
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{
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auxSwapBuffers();
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}
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}
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void Reshape(GLsizei w, GLsizei h)
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{
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glViewport(0, 0, w, h);
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width = w;
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height = h;
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}
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int __cdecl main(int argc, char** argv)
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{
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GLenum mode;
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while (--argc > 0)
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{
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argv++;
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if (!strcmp(*argv, "-sb"))
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{
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single = GL_TRUE;
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}
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else if (!strcmp(*argv, "-noop"))
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{
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no_op = GL_TRUE;
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}
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}
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mode = AUX_RGB | (single ? AUX_SINGLE : AUX_DOUBLE);
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auxInitDisplayMode(mode);
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auxInitPosition(10, 10, width, height);
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auxInitWindow("RGB Logic Op Test");
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auxReshapeFunc(Reshape);
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auxMainLoop(Display);
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return 0;
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}
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