I have been reading CUDA by Example by Jason Sanders and Edward Kandrot and have come across chapter 4 where they solve Julia Set using CUDA. Also, there is a source code available on a books page; https://developer.nvidia.com/content/cuda-example-introduction-general-purpose-gpu-programming-0
When I try to include all the files necessary for the project (all header files and .cu ones) it won't compile. My usual CUDA projects that I create from scratch work without problems (VS 2010, CUDA 5.0).
Did anyone had the same problem and can you please specify each step in order to make this Julia Set set up as it should be?
P.S. Here is a code that won't work in header file:
/*
* Copyright 1993-2010 NVIDIA Corporation. All rights reserved.
*
* NVIDIA Corporation and its licensors retain all intellectual property and
* proprietary rights in and to this software and related documentation.
* Any use, reproduction, disclosure, or distribution of this software
* and related documentation without an express license agreement from
* NVIDIA Corporation is strictly prohibited.
*
* Please refer to the applicable NVIDIA end user license agreement (EULA)
* associated with this source code for terms and conditions that govern
* your use of this NVIDIA software.
*
*/
#ifndef __GPU_ANIM_H__
#define __GPU_ANIM_H__
#include "gl_helper.h"
#include "cuda.h"
#include "cuda_gl_interop.h"
#include <iostream>
PFNGLBINDBUFFERARBPROC glBindBuffer = NULL;
PFNGLDELETEBUFFERSARBPROC glDeleteBuffers = NULL;
PFNGLGENBUFFERSARBPROC glGenBuffers = NULL;
PFNGLBUFFERDATAARBPROC glBufferData = NULL;
struct GPUAnimBitmap {
GLuint bufferObj;
cudaGraphicsResource *resource;
int width, height;
void *dataBlock;
void (*fAnim)(uchar4*,void*,int);
void (*animExit)(void*);
void (*clickDrag)(void*,int,int,int,int);
int dragStartX, dragStartY;
GPUAnimBitmap( int w, int h, void *d = NULL ) {
width = w;
height = h;
dataBlock = d;
clickDrag = NULL;
// first, find a CUDA device and set it to graphic interop
cudaDeviceProp prop;
int dev;
memset( &prop, 0, sizeof( cudaDeviceProp ) );
prop.major = 1;
prop.minor = 0;
HANDLE_ERROR( cudaChooseDevice( &dev, &prop ) );
cudaGLSetGLDevice( dev );
// a bug in the Windows GLUT implementation prevents us from
// passing zero arguments to glutInit()
int c=1;
char* dummy = "";
glutInit( &c, &dummy );
glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGBA );
glutInitWindowSize( width, height );
glutCreateWindow( "bitmap" );
glBindBuffer = (PFNGLBINDBUFFERARBPROC)GET_PROC_ADDRESS("glBindBuffer");
glDeleteBuffers = (PFNGLDELETEBUFFERSARBPROC)GET_PROC_ADDRESS("glDeleteBuffers");
glGenBuffers = (PFNGLGENBUFFERSARBPROC)GET_PROC_ADDRESS("glGenBuffers");
glBufferData = (PFNGLBUFFERDATAARBPROC)GET_PROC_ADDRESS("glBufferData");
glGenBuffers( 1, &bufferObj );
glBindBuffer( GL_PIXEL_UNPACK_BUFFER_ARB, bufferObj );
glBufferData( GL_PIXEL_UNPACK_BUFFER_ARB, width * height * 4,
NULL, GL_DYNAMIC_DRAW_ARB );
HANDLE_ERROR( cudaGraphicsGLRegisterBuffer( &resource, bufferObj, cudaGraphicsMapFlagsNone ) );
}
~GPUAnimBitmap() {
free_resources();
}
void free_resources( void ) {
HANDLE_ERROR( cudaGraphicsUnregisterResource( resource ) );
glBindBuffer( GL_PIXEL_UNPACK_BUFFER_ARB, 0 );
glDeleteBuffers( 1, &bufferObj );
}
long image_size( void ) const { return width * height * 4; }
void click_drag( void (*f)(void*,int,int,int,int)) {
clickDrag = f;
}
void anim_and_exit( void (*f)(uchar4*,void*,int), void(*e)(void*) ) {
GPUAnimBitmap** bitmap = get_bitmap_ptr();
*bitmap = this;
fAnim = f;
animExit = e;
glutKeyboardFunc( Key );
glutDisplayFunc( Draw );
if (clickDrag != NULL)
glutMouseFunc( mouse_func );
glutIdleFunc( idle_func );
glutMainLoop();
}
// static method used for glut callbacks
static GPUAnimBitmap** get_bitmap_ptr( void ) {
static GPUAnimBitmap* gBitmap;
return &gBitmap;
}
// static method used for glut callbacks
static void mouse_func( int button, int state,
int mx, int my ) {
if (button == GLUT_LEFT_BUTTON) {
GPUAnimBitmap* bitmap = *(get_bitmap_ptr());
if (state == GLUT_DOWN) {
bitmap->dragStartX = mx;
bitmap->dragStartY = my;
} else if (state == GLUT_UP) {
bitmap->clickDrag( bitmap->dataBlock,
bitmap->dragStartX,
bitmap->dragStartY,
mx, my );
}
}
}
// static method used for glut callbacks
static void idle_func( void ) {
static int ticks = 1;
GPUAnimBitmap* bitmap = *(get_bitmap_ptr());
uchar4* devPtr;
size_t size;
HANDLE_ERROR( cudaGraphicsMapResources( 1, &(bitmap->resource), NULL ) );
HANDLE_ERROR( cudaGraphicsResourceGetMappedPointer( (void**)&devPtr, &size, bitmap->resource) );
bitmap->fAnim( devPtr, bitmap->dataBlock, ticks++ );
HANDLE_ERROR( cudaGraphicsUnmapResources( 1, &(bitmap->resource), NULL ) );
glutPostRedisplay();
}
// static method used for glut callbacks
static void Key(unsigned char key, int x, int y) {
switch (key) {
case 27:
GPUAnimBitmap* bitmap = *(get_bitmap_ptr());
if (bitmap->animExit)
bitmap->animExit( bitmap->dataBlock );
bitmap->free_resources();
exit(0);
}
}
// static method used for glut callbacks
static void Draw( void ) {
GPUAnimBitmap* bitmap = *(get_bitmap_ptr());
glClearColor( 0.0, 0.0, 0.0, 1.0 );
glClear( GL_COLOR_BUFFER_BIT );
glDrawPixels( bitmap->width, bitmap->height, GL_RGBA,
GL_UNSIGNED_BYTE, 0 );
glutSwapBuffers();
}
};
#endif // __GPU_ANIM_H__
Line that is making a first error is :
PFNGLBINDBUFFERARBPROC glBindBuffer = NULL;
VS says: IntelliSense: PCH warning: header stop cannot be in a macro or #if block. An intellisense PCH file was not generated.
thank you very much
