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authorcxp2249 <moritz.pirk@tuhh.de>2018-01-27 02:35:54 +0100
committercxp2249 <moritz.pirk@tuhh.de>2018-01-27 02:35:54 +0100
commitf72c4f122ccd832031925974ff521955e0e9b17c (patch)
tree02766a38371000ced0e2cb109f4e6a7f5c97a61c /src/render.c
parentcbac1496b1c8023a7fdede63e9556f2de82bbafe (diff)
parentc8a38bd8ad66eb0b35f08a4733fdee37a888b83c (diff)
Merge branch 'master' of https://collaborating.tuhh.de/cev7691/mandelbrot-zoom
Diffstat (limited to 'src/render.c')
-rw-r--r--src/render.c111
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();
-}