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-rw-r--r--progs/tests/bumpmap.c208
1 files changed, 208 insertions, 0 deletions
diff --git a/progs/tests/bumpmap.c b/progs/tests/bumpmap.c
new file mode 100644
index 0000000000..1b7ec2c135
--- /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;
+}
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