diff options
author | cxp2249 <moritz.pirk@tuhh.de> | 2018-01-27 02:35:54 +0100 |
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committer | cxp2249 <moritz.pirk@tuhh.de> | 2018-01-27 02:35:54 +0100 |
commit | f72c4f122ccd832031925974ff521955e0e9b17c (patch) | |
tree | 02766a38371000ced0e2cb109f4e6a7f5c97a61c /src/render.c | |
parent | cbac1496b1c8023a7fdede63e9556f2de82bbafe (diff) | |
parent | c8a38bd8ad66eb0b35f08a4733fdee37a888b83c (diff) |
Merge branch 'master' of https://collaborating.tuhh.de/cev7691/mandelbrot-zoom
Diffstat (limited to 'src/render.c')
-rw-r--r-- | src/render.c | 111 |
1 files changed, 25 insertions, 86 deletions
diff --git a/src/render.c b/src/render.c index 55d514b..191dcd9 100644 --- a/src/render.c +++ b/src/render.c @@ -9,121 +9,60 @@ #define HAVE_STRUCT_TIMESPEC #include <pthread.h> -void render_init(Config *config, u32 (*sfunc) (long double, long double, u32)) +void init_render(Config *config) { - delta = glutGet(GLUT_ELAPSED_TIME); - x_min_s = -2.0; - x_max_s = 1.0; - y_min_s= -1.0; - y_max_s = 1.0; - x_min = x_min_s; - x_max = x_max_s; - y_min = y_min_s; - y_max = y_max_s; _config = config; - _sfunc = sfunc; s_arr = (u32 *) malloc((_config->width) * (_config->height) * sizeof(u32)); - calculate(x_min, y_min, x_max, y_max, _sfunc, s_arr); + _config->config_cpu.arr = s_arr; + _config->config_opencl.arr = s_arr; //glutInit(0, NULL); glutInitWindowPosition(0, 0); glutInitWindowSize(_config->width, _config->height); glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH); glutCreateWindow("Renderer"); - glutDisplayFunc(gl_render); - glutIdleFunc(gl_idle); glGenTextures(1, &tex); glBindTexture(GL_TEXTURE_2D, tex); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _config->width, _config->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, s_arr); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _config->width, _config->height, 0, + GL_RGBA, GL_UNSIGNED_BYTE, s_arr); glBindTexture(GL_TEXTURE_2D, 0); //glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _config->width, _config->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, s_arr); glMatrixMode(GL_PROJECTION); glOrtho(0, _config->width, 0, _config->height, -1, 1); glMatrixMode(GL_MODELVIEW); - glutMainLoop(); -} - -void render_show() -{ -} + _config->config_cpu.tex = tex; + _config->config_opencl.tex = tex; + _config->config_cpu.zoom_func = zoom_func; + _config->config_opencl.zoom_func = zoom_func; -void gl_render(void) -{ - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glBindTexture(GL_TEXTURE_2D, tex); - glEnable(GL_TEXTURE_2D); - glBegin(GL_QUADS); - glTexCoord2i(0, 0); glVertex2i(0, 0); - glTexCoord2i(0, 1); glVertex2i(0, _config->height); - glTexCoord2i(1, 1); glVertex2i(_config->width, _config->height); - glTexCoord2i(1, 0); glVertex2i(_config->width, 0); - glEnd(); - glDisable(GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_2D, 0); + switch(_config->mode) + { + case MODE_CPU: + init_cpu(&_config->config_cpu); + glutDisplayFunc(render_cpu); + glutIdleFunc(idle_cpu); + break; + case MODE_OPENCL: + init_opencl(&_config->config_opencl); + glutDisplayFunc(render_opencl); + glutIdleFunc(idle_opencl); + break; + } -// glBegin(GL_TRIANGLES); -// glVertex3f(-0.5,-0.5,0.0); -// glVertex3f(0.5,0.0,0.0); -// glVertex3f(0.0,0.5,0.0); -// glEnd(); + glutMainLoop(); - glutSwapBuffers(); } -void calculate(long double x_min, long double y_min, long double x_max, long double y_max, u32 (*sfunc) (long double, long double, u32), u32 *arr) +void show_render() { - pthread_t thread; - ThreadArgs *args = (ThreadArgs *) malloc(_config->threads * sizeof(ThreadArgs)); - for(u8 i = 0; i < _config->threads; i++) - { - args[i] = (ThreadArgs) { .tc = _config->threads, .tid = i, .x_min = x_min, .y_min = y_min, .x_max = x_max, .y_max = y_max, .sfunc = sfunc, .arr = arr }; - pthread_create(&thread, NULL, calculate_t, (void *)&args[i]); - } - pthread_join(thread, NULL); -} -void calculate_t(void *args) -{ - ThreadArgs *_args = (ThreadArgs *)args; - long double x_math, y_math; - u32 iterations; - for (u32 y = (_config->height/_args->tc)*(_args->tid); y < _config->height; y++) - { - for (u32 x = 0; x < _config->width; x++) - { - x_math = _args->x_min + ((long double) x * (_args->x_max - _args->x_min)) / _config->width; - y_math = _args->y_min + ((long double) (_config->height - y) * (_args->y_max - _args->y_min)) / _config->height; - iterations = _args->sfunc(x_math, y_math, _config->iterations); - _args->arr[COORDS(x, y, _config->width)] = (((1<<24)-1)*iterations)/_config->iterations; - } - } } -long double zoom_func(long double ft, long double s) +d64 zoom_func(d64 ft, d64 s) { return (s - expl(-ft)); } - -void gl_idle(void) -{ - calculate(x_min, y_min, x_max, y_max, _sfunc, s_arr); - //glGenTextures(1, &tex); - glBindTexture(GL_TEXTURE_2D, tex); - //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _config->width, _config->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, s_arr); - glBindTexture(GL_TEXTURE_2D, 0); - int t = glutGet(GLUT_ELAPSED_TIME); - dt = (t - delta) / 1000.0; - delta = t; - ft+=(_config->speed*dt); - x_min = x_min_s + zoom_func(ft, (long double)2.0 + _config->to_x); - y_min = y_min_s + zoom_func(ft, (long double)1.0 + _config->to_y); - x_max = x_max_s - zoom_func(ft, (long double)1.0 - _config->to_x); - y_max = y_max_s - zoom_func(ft, (long double)1.0 - _config->to_y); - glutPostRedisplay(); -} |