From 18e5b2554b4cd73207e936e76e32c9d376cd1ba8 Mon Sep 17 00:00:00 2001
From: Leonard Kugis <leonardkugis@gmail.com>
Date: Thu, 1 Feb 2018 01:27:30 +0100
Subject: abstracted rendering, cpu currently crashing randomly while zooming

---
 src/render_cpu.c | 104 ++-----------------------------------------------------
 1 file changed, 3 insertions(+), 101 deletions(-)

(limited to 'src/render_cpu.c')

diff --git a/src/render_cpu.c b/src/render_cpu.c
index ef66e37..d5e0c09 100644
--- a/src/render_cpu.c
+++ b/src/render_cpu.c
@@ -8,51 +8,15 @@
 #include "render_cpu.h"
 #define HAVE_STRUCT_TIMESPEC
 
-void idle_cpu_dummy(void)
-{
-//	glBindTexture(GL_TEXTURE_2D, config_cpu->tex);
-//	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, config_cpu->width,
-//			config_cpu->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, config_cpu->arr);
-//	glBindTexture(GL_TEXTURE_2D, 0);
-	glutPostRedisplay();
-}
-
 void init_cpu(config_t *config)
 {
 	config_cpu = config;
-	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;
-
-	calculate(x_min, y_min, x_max, y_max, config_cpu->set_func, config_cpu->arr);
-	t_old_cpu = glutGet(GLUT_ELAPSED_TIME);
 }
 
-void render_cpu(void)
+void render_cpu(d64 x_min, d64 y_min, d64 x_max, d64 y_max)
 {
-	glBindTexture(GL_TEXTURE_2D, config_cpu->tex);
-		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, config_cpu->width,
-				config_cpu->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, config_cpu->arr);
-		glBindTexture(GL_TEXTURE_2D, 0);
-	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-	glBindTexture(GL_TEXTURE_2D, config_cpu->tex);
-	glEnable(GL_TEXTURE_2D);
-
-	glBegin(GL_QUADS);
-	    glTexCoord2i(0, 0); glVertex2i(0, 0);
-	    glTexCoord2i(0, 1); glVertex2i(0, config_cpu->height);
-	    glTexCoord2i(1, 1); glVertex2i(config_cpu->width, config_cpu->height);
-	    glTexCoord2i(1, 0); glVertex2i(config_cpu->width, 0);
-	glEnd();
-
-	glDisable(GL_TEXTURE_2D);
-	glBindTexture(GL_TEXTURE_2D, 0);
-	glutSwapBuffers();
+	calculate(x_min, y_min, x_max, y_max, config_cpu->set_func, config_cpu->arr);
+	printf("end render cpu\n");
 }
 
 void calculate(d64 x_min, d64 y_min, d64 x_max, d64 y_max, u32 (*sfunc) (d64, d64, u32), u32 *arr)
@@ -90,67 +54,5 @@ void calculate_t(void *args)
 
 void idle_cpu(void)
 {
-	int t = 0, delta = 0;
-	do
-	{
-		t = glutGet(GLUT_ELAPSED_TIME);
-		delta = t - t_old_cpu;
-	}
-	while(delta < 16); // TODO: Hardcoded FPS
-	t_old_cpu = t;
-
-	calculate(x_min, y_min, x_max, y_max, config_cpu->set_func, config_cpu->arr);
-	//glGenTextures(1, &tex);
-	glBindTexture(GL_TEXTURE_2D, config_cpu->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, config_cpu->arr);
-	glBindTexture(GL_TEXTURE_2D, 0);
-	ft+=(config_cpu->speed*(delta/1000.0));
-	x_min = x_min_s + config_cpu->zoom_func(ft, (d64)2.0 + config_cpu->to_x);
-	y_min = y_min_s + config_cpu->zoom_func(ft, (d64)1.0 + config_cpu->to_y);
-	x_max = x_max_s - config_cpu->zoom_func(ft, (d64)1.0 - config_cpu->to_x);
-	y_max = y_max_s - config_cpu->zoom_func(ft, (d64)1.0 - config_cpu->to_y);
-	glutPostRedisplay();
-}
 
-void keyboard_cpu(unsigned char key, int mouseX, int mouseY)
-{
-	switch(key)
-	{
-	case 'i':
-		config_cpu->iterations++;
-		break;
-	case 'd':
-		config_cpu->iterations--;
-		break;
-	}
-}
-
-void mouse_cpu(int button, int state, int x, int y)
-{
-	if (state == GLUT_DOWN)
-	{
-		switch (button)
-		{
-		case GLUT_LEFT_BUTTON:
-			if (config_cpu->speed < 0)
-				config_cpu->speed = (-1) * config_cpu->speed;
-			break;
-		case GLUT_RIGHT_BUTTON:
-			if (config_cpu->speed > 0)
-				config_cpu->speed = (-1) * config_cpu->speed;
-			break;
-		}
-		config_cpu->to_x = x_min
-				+ ((d64) x * (x_max - x_min)) / config_cpu->width;
-		config_cpu->to_y = y_min
-				+ ((d64) y * (y_max - y_min)) / config_cpu->height;
-		t_old_cpu = glutGet(GLUT_ELAPSED_TIME);
-		glutIdleFunc(idle_cpu);
-	}
-	else if (state == GLUT_UP)
-	{
-		glutIdleFunc(idle_cpu_dummy);
-	}
 }
-- 
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