mesa test prog for ATI_envmap_bumpmap

1 files changed, 208 insertions, 0 deletions

diff --git a/progs/tests/bumpmap.c b/progs/tests/bumpmap.c
new file mode 100644
index 00000000000..1b7ec2c135c
--- /dev/null
+++ b/progs/tests/bumpmap.c
@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS 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.
+ */
+
+/**
+ * Simple test for testing ATI_envmap_bumpmap support.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+static PFNGLGETTEXBUMPPARAMETERFVATIPROC glGetTexBumpParameterfvATI_func = NULL;
+static PFNGLGETTEXBUMPPARAMETERIVATIPROC glGetTexBumpParameterivATI_func = NULL;
+static PFNGLTEXBUMPPARAMETERFVATIPROC glTexBumpParameterfvATI_func = NULL;
+
+static const char *TexFile = "../images/arch.rgb";
+
+static const GLfloat Near = 5.0, Far = 25.0;
+
+static void Display( void )
+{
+   /* together with the construction of dudv map, do fixed translation
+      in y direction (up), some cosine deformation in x and more
+      deformation in y dir */
+   GLfloat bumpMatrix[4] = {0.1, 0.0, 0.2, 0.1};
+
+
+   glClearColor(0.2, 0.2, 0.8, 0);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+
+   /* this is the base map */
+   glActiveTexture( GL_TEXTURE0 );
+   glEnable( GL_TEXTURE_2D );
+   glBindTexture( GL_TEXTURE_2D, 1 );
+   glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE );
+   glTexEnvf( GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE );
+   glTexEnvf( GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE );
+
+   /* bump map */
+   glActiveTexture( GL_TEXTURE1 );
+   glEnable( GL_TEXTURE_2D );
+   glBindTexture( GL_TEXTURE_2D, 2 );
+   glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE );
+   glTexEnvf( GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_BUMP_ENVMAP_ATI );
+   glTexEnvf( GL_TEXTURE_ENV, GL_BUMP_TARGET_ATI, GL_TEXTURE0);
+
+   glTexBumpParameterfvATI_func(GL_BUMP_ROT_MATRIX_ATI, bumpMatrix);
+
+   glCallList(1);
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -6.0 );
+}
+
+
+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 )
+{
+   const char * const ver_string = (const char * const)
+       glGetString( GL_VERSION );
+   GLfloat temp[16][16][2];
+   GLubyte *image = NULL;
+   GLint imgWidth, imgHeight;
+   GLenum imgFormat;
+   GLint i,j;
+   GLint param, paramArray[16];
+   GLfloat paramMat[4];
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", ver_string);
+
+   if ( !glutExtensionSupported("GL_ATI_envmap_bumpmap")) {
+      printf("\nSorry, this program requires GL_ATI_envmap_bumpmap\n");
+      exit(1);
+   }
+
+   glGetTexBumpParameterfvATI_func = glutGetProcAddress("glGetTexBumpParameterfvATI");
+   glGetTexBumpParameterivATI_func = glutGetProcAddress("glGetTexBumpParameterivATI");
+   glTexBumpParameterfvATI_func = glutGetProcAddress("glTexBumpParameterfvATI");
+
+   glGetTexBumpParameterivATI_func(GL_BUMP_ROT_MATRIX_SIZE_ATI, &param);
+   printf("BUMP_ROT_MATRIX_SIZE_ATI = %d\n", param);
+   glGetTexBumpParameterivATI_func(GL_BUMP_NUM_TEX_UNITS_ATI, &param);
+   printf("BUMP_NUM_TEX_UNITS_ATI = %d\n", param);
+   glGetTexBumpParameterfvATI_func(GL_BUMP_ROT_MATRIX_ATI, paramMat);
+   printf("initial rot matrix %f %f %f %f\n", paramMat[0], paramMat[1], paramMat[2], paramMat[3]);
+   glGetTexBumpParameterivATI_func(GL_BUMP_TEX_UNITS_ATI, paramArray);
+   printf("units supporting bump mapping: ");
+   for (i = 0; i < param; i++)
+      printf("%d ", paramArray[i] - GL_TEXTURE0);
+   printf("\n");
+
+   image = LoadRGBImage(TexFile, &imgWidth, &imgHeight, &imgFormat);
+   if (!image) {
+      printf("Couldn't read %s\n", TexFile);
+      exit(0);
+   }
+
+   glBindTexture( GL_TEXTURE_2D, 1 );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
+   glTexImage2D( GL_TEXTURE_2D, 0, imgFormat, imgWidth, imgHeight, 0,
+		 imgFormat, GL_UNSIGNED_BYTE, image );
+
+   for (j = 0; j < 16; j++) {
+      for (i = 0; i < 16; i++) {
+         temp[j][i][0] = cos((float)(i) * 3.1415 / 16.0);
+         temp[j][i][1] = -0.5;
+      }
+   }
+   glBindTexture( GL_TEXTURE_2D, 2 );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
+   glTexImage2D( GL_TEXTURE_2D, 0, GL_DU8DV8_ATI, 16, 16, 0,
+		 GL_DUDV_ATI, GL_FLOAT, temp );
+
+
+   glNewList( 1, GL_COMPILE );
+   glBegin(GL_QUADS);
+   glColor3f( 0.9, 0.0, 0.0 );
+   glMultiTexCoord2f( GL_TEXTURE0, 0.0, 0.0 );
+   glMultiTexCoord2f( GL_TEXTURE1, 0.0, 0.0 );
+   glVertex2f(-1, -1);
+   glMultiTexCoord2f( GL_TEXTURE0, 1.0, 0.0 );
+   glMultiTexCoord2f( GL_TEXTURE1, 1.0, 0.0 );
+   glVertex2f( 1, -1);
+   glMultiTexCoord2f( GL_TEXTURE0, 1.0, 1.0 );
+   glMultiTexCoord2f( GL_TEXTURE1, 1.0, 1.0 );
+   glVertex2f( 1,  1);
+   glMultiTexCoord2f( GL_TEXTURE0, 0.0, 1.0 );
+   glMultiTexCoord2f( GL_TEXTURE1, 0.0, 1.0 );
+   glVertex2f(-1,  1);
+   glEnd();
+   glEndList();
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 400, 400 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow( "GL_ATI_envmap_bumpmap test" );
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}