Skeleton for OpenCL rendering, cleaned up alot, WIP and crashing

12 files changed, 281 insertions, 151 deletions

diff --git a/src/defs.h b/src/defs.h
index 00b51bd..505fe69 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -19,6 +19,10 @@
 #define FALSE 0
 #endif
 
+// Rendering modes, u8
+#define MODE_CPU 0
+#define MODE_OPENCL 1
+
 typedef unsigned char u8;
 typedef signed char s8;
 
@@ -31,6 +35,8 @@ typedef signed long int s32;
 typedef unsigned long long u64;
 typedef signed long long s64;
 
+typedef long double d64;
+
 //typedef u8 bool;
 
 #endif /* DEFS_H_ */
diff --git a/src/mandelbrot-zoom.c b/src/mandelbrot-zoom.c
index 9410734..f54a2ab 100644
--- a/src/mandelbrot-zoom.c
+++ b/src/mandelbrot-zoom.c
@@ -24,6 +24,8 @@ int main(int argc, char **argv)
 	ui_settings.zoomToXEntry = GTK_ENTRY(gtk_builder_get_object(builder, "zoomToXEntry"));
 	ui_settings.zoomToYEntry = GTK_ENTRY(gtk_builder_get_object(builder, "zoomToYEntry"));
 	ui_settings.speedEntry = GTK_ENTRY(gtk_builder_get_object(builder, "speedEntry"));
+	ui_settings.modeCPURd = GTK_RADIO_BUTTON(gtk_builder_get_object(builder, "modeCPURd"));
+	ui_settings.modeGPURd = GTK_RADIO_BUTTON(gtk_builder_get_object(builder, "modeGPURd"));
 	ui_settings.exportCb = GTK_CHECK_BUTTON(gtk_builder_get_object(builder, "exportCb"));
 	ui_settings.gifRd = GTK_RADIO_BUTTON(gtk_builder_get_object(builder, "gifRd"));
 	ui_settings.widthSp = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "widthSp"));
@@ -82,12 +84,13 @@ int main(int argc, char **argv)
 
 void on_iterationsSp_valueChanged()
 {
-	config.iterations = gtk_spin_button_get_value(ui_settings.iterationsSp);
+	config.config_cpu.iterations = gtk_spin_button_get_value(ui_settings.iterationsSp);
+	config.config_opencl.iterations = gtk_spin_button_get_value(ui_settings.iterationsSp);
 }
 
 void on_threadsSp_valueChanged()
 {
-	config.threads = gtk_spin_button_get_value(ui_settings.threadsSp);
+	config.config_cpu.threads = gtk_spin_button_get_value(ui_settings.threadsSp);
 }
 
 void on_colorFromBtn_clicked()
@@ -115,16 +118,21 @@ void on_exportTf_changed()
 void on_widthSp_valueChanged()
 {
 	config.width = gtk_spin_button_get_value(ui_settings.widthSp);
+	config.config_cpu.width = gtk_spin_button_get_value(ui_settings.widthSp);
+	config.config_opencl.width = gtk_spin_button_get_value(ui_settings.widthSp);
 }
 
 void on_heightSp_valueChanged()
 {
 	config.height = gtk_spin_button_get_value(ui_settings.heightSp);
+	config.config_cpu.height = gtk_spin_button_get_value(ui_settings.heightSp);
+	config.config_opencl.height = gtk_spin_button_get_value(ui_settings.heightSp);
 }
 
 void on_fpsRenderSp_valueChanged()
 {
-	config.renderFPS = gtk_spin_button_get_value(ui_settings.fpsRenderSp);
+	config.config_cpu.renderFPS = gtk_spin_button_get_value(ui_settings.fpsRenderSp);
+	config.config_opencl.renderFPS = gtk_spin_button_get_value(ui_settings.fpsRenderSp);
 }
 
 void on_fpsVideoSp_valueChanged()
@@ -143,12 +151,23 @@ void on_startBtn_clicked()
 	sscanf(gtk_entry_get_text(ui_settings.zoomToXEntry), "%lf", &x);
 	sscanf(gtk_entry_get_text(ui_settings.zoomToYEntry), "%lf", &y);
 	sscanf(gtk_entry_get_text(ui_settings.speedEntry), "%lf", &speed);
-	config.to_x = x;
-	config.to_y = y;
-	config.speed = speed;
-	printf("config {\n\t.iterations = %u\n\t.tox = %f\n\t.toy = %f\n\t.video = %u\n\t.filetype = %u\n\t.width = %u\n\t.height = %u\n\t.renderFPS = %u\n\t.videoFPS = %u\n\t.bitrate = %u\n\t.path = %s\n}\n", config.iterations, x, y, config.video, 0, config.width, config.height, config.renderFPS, config.videoFPS, config.bitrate, config.path);
-	render_init(&config, mandelbrot_r);
-	render_show();
+	config.config_cpu.to_x = x;
+	config.config_cpu.to_y = y;
+	config.config_cpu.speed = speed;
+	config.config_opencl.to_x = x;
+	config.config_opencl.to_y = y;
+	config.config_opencl.speed = speed;
+	//printf("config {\n\t.iterations = %u\n\t.tox = %f\n\t.toy = %f\n\t.video = %u\n\t.filetype = %u\n\t.width = %u\n\t.height = %u\n\t.renderFPS = %u\n\t.videoFPS = %u\n\t.bitrate = %u\n\t.path = %s\n}\n", config.iterations, x, y, config.video, 0, config.width, config.height, config.renderFPS, config.videoFPS, config.bitrate, config.path);
+
+	// TODO: implement selection of sets correctly
+	config.config_cpu.set_func = mandelbrot_r;
+	config.config_opencl.set_func = mandelbrot_r;
+
+	// TODO: implement selection of render mode correctly
+	config.mode = MODE_CPU;
+
+	init_render(&config);
+	show_render();
 }
 
 void on_exitBtn_clicked()
diff --git a/src/mandelbrot-zoom.h b/src/mandelbrot-zoom.h
index a57deba..d30adcf 100644
--- a/src/mandelbrot-zoom.h
+++ b/src/mandelbrot-zoom.h
@@ -23,6 +23,8 @@ typedef struct Ui_settings {
 	GtkEntry *zoomToXEntry;
 	GtkEntry *zoomToYEntry;
 	GtkEntry *speedEntry;
+	GtkRadioButton *modeCPURd;
+	GtkRadioButton *modeGPURd;
 	GtkCheckButton *exportCb;
 	GtkRadioButton *gifRd;
 	GtkSpinButton *widthSp;
diff --git a/src/mandelbrot.cl b/src/mandelbrot.cl
new file mode 100644
index 0000000..0a477c9
--- /dev/null
+++ b/src/mandelbrot.cl
@@ -0,0 +1,6 @@
+__kernel void Main(__write_only image2d_t image)
+{
+	int x = get_global_id(0);
+	int y = get_global_id(1);
+	write_imagef(image, (int2)(x, y), (float4)(x / 256.0f, y / 256.0f, 1.0f, 1.0f));
+}
\ No newline at end of file
diff --git a/src/render.c b/src/render.c
index 55d514b..69b46e0 100644
--- a/src/render.c
+++ b/src/render.c
@@ -9,28 +9,27 @@
 #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);
 	//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);
+
+	if (_config->mode)
+	{
+		glutDisplayFunc(render_cpu);
+		glutIdleFunc(idle_cpu);
+		init_cpu(&_config->config_cpu);
+	}
+	else
+	{
+		glutDisplayFunc(render_opencl);
+		glutIdleFunc(idle_opencl);
+		init_opencl(&_config->config_opencl);
+	}
 
 	glGenTextures(1, &tex);
 	glBindTexture(GL_TEXTURE_2D, tex);
@@ -46,84 +45,7 @@ void render_init(Config *config, u32 (*sfunc) (long double, long double, u32))
 	glutMainLoop();
 }
 
-void render_show()
-{
-
-}
-
-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);
-
-//	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();
-
-	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)
-{
-	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();
 }
diff --git a/src/render.h b/src/render.h
index dde79be..2cb76c1 100644
--- a/src/render.h
+++ b/src/render.h
@@ -11,57 +11,27 @@
 #define COORDS(x, y, width) ((y)*(width)+(x))
 
 #include "defs.h"
-#include <stdlib.h>
-#include <GL/glut.h>
-#include <pthread.h>
-#include <math.h>
+#include "render_cpu.h"
+#include "render_opencl.h"
 
 typedef struct config {
-	u32 iterations;
-	u8 threads;
-	u32 colorFrom;
-	u32 colorTo;
-	long double to_x;
-	long double to_y;
-	long double speed;
+	CpuConfig config_cpu;
+	OpenCLConfig config_opencl;
+	u8 mode;
 	u8 video;
 	u8 filetype;
 	u16 width;
 	u16 height;
-	u8 renderFPS;
 	u8 videoFPS;
 	u32 bitrate;
 	const char *path;
 	// TODO: key mapping als option in die struct
 } Config;
 
-typedef struct t_args {
-	u8 tc;
-	u8 tid;
-	long double x_min;
-	long double x_max;
-	long double y_min;
-	long double y_max;
-	u32 (*sfunc) (long double, long double, u32);
-	u32 *arr;
-} ThreadArgs;
-
 Config *_config;
-u32 (*_sfunc) (long double, long double, u32);
-u32 *s_arr;
-GLuint tex;
-u32 rendercnt;
-long double x_min, x_max, y_min, y_max;
-long double x_min_s, x_max_s, y_min_s, y_max_s;
-int delta;
-long double dt, ft;
-
-void render_init(Config *config, u32 (*sfunc) (long double, long double, u32));
-void render_show();
-void gl_render(void);
-void gl_idle(void);
+u32 s_arr;
 
-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 calculate_t(void *args);
+void init_render(Config *config);
+void show_render();
 
 #endif /* RENDER_H_ */
diff --git a/src/render_cpu.c b/src/render_cpu.c
new file mode 100644
index 0000000..9370461
--- /dev/null
+++ b/src/render_cpu.c
@@ -0,0 +1,86 @@
+/*
+ * render.c
+ *
+ *  Created on: 15.01.2018
+ *      Author: Superleo1810
+ */
+
+#include "render.h"
+#define HAVE_STRUCT_TIMESPEC
+
+void init_cpu(CpuConfig *config)
+{
+	config_cpu = config;
+}
+
+void render_cpu(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);
+	glutSwapBuffers();
+}
+
+void calculate(d64 x_min, d64 y_min, d64 x_max, d64 y_max, u32 (*sfunc) (d64, d64, u32), u32 *arr)
+{
+	pthread_t thread;
+	ThreadArgs *args = (ThreadArgs *) malloc(config_cpu->threads * sizeof(ThreadArgs));
+	for(u8 i = 0; i < config_cpu->threads; i++)
+	{
+		args[i] = (ThreadArgs) { .tc = config_cpu->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;
+	d64 x_math, y_math;
+	u32 iterations;
+	for (u32 y = (config_cpu->height/_args->tc)*(_args->tid); y < config_cpu->height; y++)
+	{
+		for (u32 x = 0; x < _config->width; x++)
+		{
+			x_math = _args->x_min + ((d64) x * (_args->x_max - _args->x_min)) / config_cpu->width;
+			y_math = _args->y_min + ((d64) (config_cpu->height - y) * (_args->y_max - _args->y_min)) / config_cpu->height;
+			iterations = _args->sfunc(x_math, y_math, config_cpu->iterations);
+			_args->arr[COORDS(x, y, config_cpu->width)] = (((1<<24)-1)*iterations)/config_cpu->iterations;
+		}
+	}
+}
+
+long double zoom_func(d64 ft, d64 s)
+{
+	return (s - expl(-ft));
+}
+
+void idle_cpu(void)
+{
+	calculate(x_min, y_min, x_max, y_max, config_cpu->set_func, config_cpu->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_cpu->width, config_cpu->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_cpu->speed*dt);
+	x_min = x_min_s + zoom_func(ft, (d64)2.0 + config_cpu->to_x);
+	y_min = y_min_s + zoom_func(ft, (d64)1.0 + config_cpu->to_y);
+	x_max = x_max_s - zoom_func(ft, (d64)1.0 - config_cpu->to_x);
+	y_max = y_max_s - zoom_func(ft, (d64)1.0 - config_cpu->to_y);
+	glutPostRedisplay();
+}
diff --git a/src/render_cpu.h b/src/render_cpu.h
new file mode 100644
index 0000000..6926687
--- /dev/null
+++ b/src/render_cpu.h
@@ -0,0 +1,58 @@
+/*
+ * render_cpu.h
+ *
+ *  Created on: 25.01.2018
+ *      Author: Superleo1810
+ */
+
+#ifndef RENDER_CPU_H_
+#define RENDER_CPU_H_
+
+#include "defs.h"
+#include <stdlib.h>
+#include <GL/glut.h>
+#include <pthread.h>
+#include <math.h>
+
+typedef struct config_cpu {
+	u8 threads;
+	u32 *arr;
+	u32 (*set_func)(d64, d64, u32);
+	u32 iterations;
+	u32 colorFrom;
+	u32 colorTo;
+	d64 to_x;
+	d64 to_y;
+	d64 speed;
+	u16 width;
+	u16 height;
+	u8 renderFPS;
+} CpuConfig;
+
+typedef struct t_args {
+	u8 tc;
+	u8 tid;
+	d64 x_min;
+	d64 x_max;
+	d64 y_min;
+	d64 y_max;
+	u32 (*sfunc) (d64, d64, u32);
+	u32 *arr;
+} ThreadArgs;
+
+
+CpuConfig *config_cpu;
+GLuint tex;
+u32 rendercnt;
+d64 x_min, x_max, y_min, y_max;
+d64 x_min_s, x_max_s, y_min_s, y_max_s;
+int delta;
+d64 dt, ft;
+
+void init_cpu(CpuConfig *config);
+void render_cpu(void);
+void idle_cpu(void);
+void calculate(d64 x_min, d64 y_min, d64 x_max, d64 y_max, u32 (*sfunc) (d64, d64, u32), u32 *arr);
+void calculate_t(void *args);
+
+#endif /* RENDER_CPU_H_ */
diff --git a/src/render_opencl.c b/src/render_opencl.c
new file mode 100644
index 0000000..913c975
--- /dev/null
+++ b/src/render_opencl.c
@@ -0,0 +1,26 @@
+/*
+ * render_opencl.c
+ *
+ *  Created on: 26.01.2018
+ *      Author: Superleo1810
+ */
+
+#include "render_opencl.h"
+
+// TODO: implement opencl
+
+void init_opencl(OpenCLConfig *config)
+{
+	config_opencl = config;
+	printf("OpenCL rendering not implemented yet\n");
+}
+
+void render_opencl(void)
+{
+
+}
+
+void idle_opencl(void)
+{
+
+}
diff --git a/src/render_opencl.h b/src/render_opencl.h
new file mode 100644
index 0000000..aaa9df6
--- /dev/null
+++ b/src/render_opencl.h
@@ -0,0 +1,35 @@
+/*
+ * render_opencl.h
+ *
+ *  Created on: 25.01.2018
+ *      Author: Superleo1810
+ */
+
+#ifndef RENDER_OPENCL_H_
+#define RENDER_OPENCL_H_
+
+#include "defs.h"
+#include <stdlib.h>
+#include <GL/glut.h>
+
+typedef struct config_opencl {
+	u32 *arr;
+	u32 (*set_func)(d64, d64, u32);
+	u32 iterations;
+	u32 colorFrom;
+	u32 colorTo;
+	d64 to_x;
+	d64 to_y;
+	d64 speed;
+	u16 width;
+	u16 height;
+	u8 renderFPS;
+} OpenCLConfig;
+
+OpenCLConfig *config_opencl;
+
+void init_opencl(OpenCLConfig *config);
+void render_opencl(void);
+void idle_opencl(void);
+
+#endif /* RENDER_OPENCL_H_ */
diff --git a/src/sets.c b/src/sets.c
index 2c01987..86c68f4 100644
--- a/src/sets.c
+++ b/src/sets.c
@@ -7,9 +7,9 @@
 
 #include "sets.h"
 
-u32 mandelbrot_s(long double x, long double y, u32 iterations)
+u32 mandelbrot_s(d64 x, d64 y, u32 iterations)
 {
-	long double cx = x, cy = y, x2;
+	d64 cx = x, cy = y, x2;
 	u32 m = 0;
 	while(m <= iterations && (x*x)+(y*y) <= 4)
 	{
@@ -21,16 +21,16 @@ u32 mandelbrot_s(long double x, long double y, u32 iterations)
 	return m;
 }
 
-u32 mandelbrot_r(long double x, long double y, u32 iterations)
+u32 mandelbrot_r(d64 x, d64 y, u32 iterations)
 {
 	return _mandelbrot_r(x, y, 0.0, 0.0, 0, iterations, 4.0);
 }
 
-u32 _mandelbrot_r(long double x, long double y, long double zx, long double zy, u32 n, u32 iterations, long double threshold)
+u32 _mandelbrot_r(d64 x, d64 y, d64 zx, d64 zy, u32 n, u32 iterations, d64 threshold)
 {
 	if ((n < iterations) && ((zx * zx + zy * zy) < threshold)) {
-		long double zx_new = (zx * zx - zy * zy + x);
-		long double zy_new = (2 * zx * zy + y);
+		d64 zx_new = (zx * zx - zy * zy + x);
+		d64 zy_new = (2 * zx * zy + y);
 	    if ((zx_new == zx) && (zy_new == zy)) {
 	      return iterations;
 	    }
@@ -39,7 +39,7 @@ u32 _mandelbrot_r(long double x, long double y, long double zx, long double zy,
 	  return n;
 }
 
-u32 julia(long double x, long double y, u32 iterations)
+u32 julia(d64 x, d64 y, u32 iterations)
 {
 	// TODO: Julia-Menge
 	return 0;
diff --git a/src/sets.h b/src/sets.h
index 1ae237c..cea87fc 100644
--- a/src/sets.h
+++ b/src/sets.h
@@ -10,9 +10,9 @@
 
 #include "defs.h"
 
-u32 mandelbrot_s(long double x, long double y, u32 iterations);
-u32 mandelbrot_r(long double x, long double y, u32 iterations);
-u32 _mandelbrot_r(long double x, long double y, long double zx, long double zy, u32 n, u32 iterations, long double threshold);
-u32 julia(long double x, long double y, u32 iterations);
+u32 mandelbrot_s(d64 x, d64 y, u32 iterations);
+u32 mandelbrot_r(d64 x, d64 y, u32 iterations);
+u32 _mandelbrot_r(d64 x, d64 y, d64 zx, d64 zy, u32 n, u32 iterations, d64 threshold);
+u32 julia(d64 x, d64 y, u32 iterations);
 
 #endif /* SETS_H_ */