summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--progs/tests/Makefile.X112
-rw-r--r--progs/tests/arbfptrig.c156
-rw-r--r--progs/tests/tex1d.c139
3 files changed, 297 insertions, 0 deletions
diff --git a/progs/tests/Makefile.X11 b/progs/tests/Makefile.X11
index f51f01a5e32..4d889478636 100644
--- a/progs/tests/Makefile.X11
+++ b/progs/tests/Makefile.X11
@@ -12,6 +12,7 @@ SOURCES = antialias.c \
arbfpspec.c \
arbfptest1.c \
arbfptexture.c \
+ arbfptrig.c \
arbvptest1.c \
arbvptest3.c \
arbvptorus.c \
@@ -29,6 +30,7 @@ SOURCES = antialias.c \
seccolor.c \
sharedtex.c \
stencilwrap.c \
+ tex1d.c \
texline.c \
texrect.c \
texwrap.c \
diff --git a/progs/tests/arbfptrig.c b/progs/tests/arbfptrig.c
new file mode 100644
index 00000000000..26b68c6b412
--- /dev/null
+++ b/progs/tests/arbfptrig.c
@@ -0,0 +1,156 @@
+/* GL_ARB_fragment_program texture test */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+#include "readtex.c"
+
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+
+#define PI 3.141592
+
+static void Display( void )
+{
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ glPushMatrix();
+ glRotatef(Xrot, 1.0, 0.0, 0.0);
+ glRotatef(Yrot, 0.0, 1.0, 0.0);
+ glRotatef(Zrot, 0.0, 0.0, 1.0);
+
+ glBegin(GL_POLYGON);
+ glTexCoord2f(-PI, 0); glVertex2f(-1, -1);
+ glTexCoord2f(PI, 0); glVertex2f( 1, -1);
+ glTexCoord2f(PI, 1); glVertex2f( 1, 1);
+ glTexCoord2f(-PI, 1); glVertex2f(-1, 1);
+ glEnd();
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+ float step = 3.0;
+ (void) x;
+ (void) y;
+
+ switch (key) {
+ case GLUT_KEY_UP:
+ Xrot += step;
+ break;
+ case GLUT_KEY_DOWN:
+ Xrot -= step;
+ break;
+ case GLUT_KEY_LEFT:
+ Yrot += step;
+ break;
+ case GLUT_KEY_RIGHT:
+ Yrot -= step;
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+ static const char *modulate2D =
+ "!!ARBfp1.0\n"
+ "TEMP R0;\n"
+ "MOV R0, {0,0,0,1};\n"
+ "SCS R0, fragment.texcoord[0].x; \n"
+ "ADD R0, R0, {1.0}.x;\n"
+ "MUL R0, R0, {0.5}.x;\n"
+ "MOV result.color, R0; \n"
+ "END"
+ ;
+ GLuint modulateProg;
+ GLuint Texture;
+
+ if (!glutExtensionSupported("GL_ARB_fragment_program")) {
+ printf("Error: GL_ARB_fragment_program not supported!\n");
+ exit(1);
+ }
+ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+ /* Setup the fragment program */
+ glGenProgramsARB(1, &modulateProg);
+ glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
+ glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+ strlen(modulate2D), (const GLubyte *)modulate2D);
+
+ printf("glGetError = 0x%x\n", (int) glGetError());
+ printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
+ (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+ assert(glIsProgramARB(modulateProg));
+
+ glEnable(GL_FRAGMENT_PROGRAM_ARB);
+
+ /* Load texture */
+ glGenTextures(1, &Texture);
+ glBindTexture(GL_TEXTURE_2D, Texture);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+ printf("Error: couldn't load texture image file %s\n", TEXTURE_FILE);
+ exit(1);
+ }
+ /* XXX this enable shouldn't really be needed!!! */
+ glEnable(GL_TEXTURE_2D);
+
+ glClearColor(.3, .3, .3, 0);
+}
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize( 250, 250 );
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutSpecialFunc( SpecialKey );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/tests/tex1d.c b/progs/tests/tex1d.c
new file mode 100644
index 00000000000..1fab849dd3e
--- /dev/null
+++ b/progs/tests/tex1d.c
@@ -0,0 +1,139 @@
+
+/* Exercise 1D textures
+ */
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "GL/glut.h"
+
+static GLuint Window = 0;
+static GLuint TexObj[2];
+static GLfloat Angle = 0.0f;
+
+
+static void draw( void )
+{
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ glColor3f( 1.0, 1.0, 1.0 );
+
+ /* draw first polygon */
+ glPushMatrix();
+ glTranslatef( -1.0, 0.0, 0.0 );
+ glRotatef( Angle, 0.0, 0.0, 1.0 );
+ glBindTexture( GL_TEXTURE_1D, TexObj[0] );
+ glBegin( GL_POLYGON );
+ glTexCoord1f( 0.0 ); glVertex2f( -1.0, -1.0 );
+ glTexCoord1f( 1.0 ); glVertex2f( 1.0, -1.0 );
+ glTexCoord1f( 1.0 ); glVertex2f( 1.0, 1.0 );
+ glTexCoord1f( 0.0 ); glVertex2f( -1.0, 1.0 );
+ glEnd();
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+
+static void idle( void )
+{
+ Angle += 2.0;
+ glutPostRedisplay();
+}
+
+
+
+/* change view Angle, exit upon ESC */
+static void key(unsigned char k, int x, int y)
+{
+ (void) x;
+ (void) y;
+ switch (k) {
+ case 27:
+ exit(0);
+ }
+}
+
+
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+ glViewport(0, 0, (GLint)width, (GLint)height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ /* glOrtho( -3.0, 3.0, -3.0, 3.0, -10.0, 10.0 );*/
+ glFrustum( -2.0, 2.0, -2.0, 2.0, 6.0, 20.0 );
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void init( void )
+{
+ GLubyte tex[256][3];
+ GLint i;
+
+
+ glDisable( GL_DITHER );
+
+ /* Setup texturing */
+ glEnable( GL_TEXTURE_1D );
+ glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
+
+
+ /* generate texture object IDs */
+ glGenTextures( 2, TexObj );
+
+ /* setup first texture object */
+ glBindTexture( GL_TEXTURE_1D, TexObj[0] );
+
+
+ for (i = 0; i < 256; i++) {
+ GLfloat f;
+
+ /* map 0..255 to -PI .. PI */
+ f = ((i / 255.0) - .5) * (3.141592 * 2);
+
+ f = sin(f);
+
+ /* map -1..1 to 0..255 */
+ tex[i][0] = (f+1.0)/2.0 * 255.0;
+ tex[i][1] = 0;
+ tex[i][2] = 0;
+ }
+
+ glTexImage1D( GL_TEXTURE_1D, 0, 3, 256, 0, GL_RGB, GL_UNSIGNED_BYTE, tex );
+ glTexParameteri( GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+ glTexParameteri( GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+ glTexParameteri( GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+ glTexParameteri( GL_TEXTURE_1D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit(&argc, argv);
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(300, 300);
+ glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
+
+ Window = glutCreateWindow("Texture Objects");
+ if (!Window) {
+ exit(1);
+ }
+
+ init();
+
+ glutReshapeFunc( reshape );
+ glutKeyboardFunc( key );
+/* glutIdleFunc( idle ); */
+ glutDisplayFunc( draw );
+ glutMainLoop();
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-05 00:20:11 +0000