void initializeData(char *file, int argc, char **argv) {
GLint bsize;
unsigned int w, h;
size_t file_length= strlen(file);
if (!strcmp(&file[file_length-3], "pgm")) {
if (cutLoadPGMub(file, &pixels, &w, &h) != CUTTrue) {
printf("Failed to load image file: %s\n", file);
exit(-1);
}
g_Bpp = 1;
} else if (!strcmp(&file[file_length-3], "ppm")) {
if (cutLoadPPM4ub(file, &pixels, &w, &h) != CUTTrue) {
printf("Failed to load image file: %s\n", file);
exit(-1);
}
g_Bpp = 4;
} else {
cutilDeviceReset();
shrQAFinishExit(argc, (const char **)argv, QA_WAIVED);
}
imWidth = (int)w; imHeight = (int)h;
setupTexture(imWidth, imHeight, pixels, g_Bpp);
// copy function pointer tables to host side for later use
setupFunctionTables();
memset(pixels, 0x0, g_Bpp * sizeof(Pixel) * imWidth * imHeight);
if (!g_bQAReadback) {
// use OpenGL Path
glGenBuffers(1, &pbo_buffer);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo_buffer);
glBufferData(GL_PIXEL_UNPACK_BUFFER,
g_Bpp * sizeof(Pixel) * imWidth * imHeight,
pixels, GL_STREAM_DRAW);
glGetBufferParameteriv(GL_PIXEL_UNPACK_BUFFER, GL_BUFFER_SIZE, &bsize);
if ((GLuint)bsize != (g_Bpp * sizeof(Pixel) * imWidth * imHeight)) {
printf("Buffer object (%d) has incorrect size (%d).\n", (unsigned)pbo_buffer, (unsigned)bsize);
cutilDeviceReset();
shrQAFinishExit(argc, (const char **)argv, QA_FAILED);
}
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
// register this buffer object with CUDA
cutilSafeCall(cudaGraphicsGLRegisterBuffer(&cuda_pbo_resource, pbo_buffer, cudaGraphicsMapFlagsWriteDiscard));
glGenTextures(1, &texid);
glBindTexture(GL_TEXTURE_2D, texid);
glTexImage2D(GL_TEXTURE_2D, 0, ((g_Bpp==1) ? GL_LUMINANCE : GL_BGRA),
imWidth, imHeight, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
}
}
bool
CheckRender::PGMvsPGM( const char *src_file, const char *ref_file, const float epsilon, const float threshold )
{
unsigned char *src_data = NULL, *ref_data = NULL;
unsigned long error_count = 0;
unsigned int width, height;
char *ref_file_path = cutFindFilePath(ref_file, m_ExecPath);
if (ref_file_path == NULL) {
printf("CheckRender::PGMvsPGM unable to find <%s> in <%s> Aborting comparison!\n", ref_file, m_ExecPath);
printf(">>> Check info.xml and [project//data] folder <%s> <<<\n", ref_file);
printf("Aborting comparison!\n");
printf(" FAILED\n");
error_count++;
} else {
if (src_file == NULL || ref_file_path == NULL) {
printf("PGMvsPGM: Aborting comparison\n");
return false;
}
printf(" src_file <%s>\n", src_file);
printf(" ref_file <%s>\n", ref_file_path);
if (cutLoadPGMub(ref_file_path, &ref_data, &width, &height) != CUTTrue) {
printf("PGMvsPGM: unable to load ref image file: %s\n", ref_file_path);
return false;
}
if (cutLoadPGMub(src_file, &src_data, &width, &height) != CUTTrue) {
printf("PGMvsPGM: unable to load src image file: %s\n", src_file);
return false;
}
printf("PGMvsPGM: comparing images size (%d,%d) epsilon(%2.4f), threshold(%4.2f%%)\n", m_Height, m_Width, epsilon, threshold*100);
if (cutCompareubt( ref_data, src_data, m_Height*m_Width, epsilon, threshold ) == CUTFalse) {
error_count = 1;
}
}
if (error_count == 0) {
printf(" OK\n");
} else {
printf(" FAILURE: %d errors...\n", (unsigned int)error_count);
}
return (error_count == 0); // returns true if all pixels pass
}
void initializeData(char *file) {
GLint bsize;
unsigned int w, h;
size_t file_length= strlen(file);
if (!strcmp(&file[file_length-3], "pgm")) {
if (cutLoadPGMub(file, &pixels, &w, &h) != CUTTrue) {
printf("Failed to load image file: %s\n", file);
exit(-1);
}
g_Bpp = 1;
} else if (!strcmp(&file[file_length-3], "ppm")) {
if (cutLoadPPM4ub(file, &pixels, &w, &h) != CUTTrue) {
printf("Failed to load image file: %s\n", file);
exit(-1);
}
g_Bpp = 4;
} else {
cudaThreadExit();
exit(-1);
}
imWidth = (int)w; imHeight = (int)h;
setupTexture(imWidth, imHeight, pixels, g_Bpp);
memset(pixels, 0x0, g_Bpp * sizeof(Pixel) * imWidth * imHeight);
if (!g_bQAReadback) {
// use OpenGL Path
glGenBuffers(1, &pbo_buffer);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo_buffer);
glBufferData(GL_PIXEL_UNPACK_BUFFER,
g_Bpp * sizeof(Pixel) * imWidth * imHeight,
pixels, GL_STREAM_DRAW);
glGetBufferParameteriv(GL_PIXEL_UNPACK_BUFFER, GL_BUFFER_SIZE, &bsize);
if ((GLuint)bsize != (g_Bpp * sizeof(Pixel) * imWidth * imHeight)) {
printf("Buffer object (%d) has incorrect size (%d).\n", (unsigned)pbo_buffer, (unsigned)bsize);
cudaThreadExit();
exit(-1);
}
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
cutilSafeCall(cudaGLRegisterBufferObject(pbo_buffer));
glGenTextures(1, &texid);
glBindTexture(GL_TEXTURE_2D, texid);
glTexImage2D(GL_TEXTURE_2D, 0, ((g_Bpp==1) ? GL_LUMINANCE : GL_BGRA),
imWidth, imHeight, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
}
}
void loadImage(
unsigned char **img,
unsigned int *width,
unsigned int *height,
const char* image_filename,
const char* exec_path)
{
const char* image_path = cutFindFilePath(image_filename, exec_path);
if (image_path == 0) {
fprintf(stderr, "Error finding image file '%s'\n", image_filename);
exit(-1);
}
cutilCheckError(cutLoadPGMub(image_path, img, width, height));
if (!*img) {
fprintf(stderr, "Error opening file '%s'\n", image_path);
exit(-1);
}
printf("Loaded '%s', %d x %d pixels\n", image_path, *width, *height);
}
