X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=main.cpp;h=4e2d303f893fc77525fdf558a70ac9e536a7143f;hp=0a92aed593826e091b82b437482ae90c6d238eeb;hb=4faa7b922355c43f89efd62418dfa03ebf06b9c2;hpb=dae484d2ac79b828fe31d7416fc5838a6d3341ef

diff --git a/main.cpp b/main.cpp
index 0a92aed..4e2d303 100644
--- a/main.cpp
+++ b/main.cpp
@@ -33,9 +33,10 @@ float gamma_theta = 0.0f, gamma_rad = 0.0f, gamma_v = 0.5f;
 float gain_theta = 0.0f, gain_rad = 0.0f, gain_v = 0.25f;
 float saturation = 1.0f;
 
-float radius = 0.3f;
-float inner_radius = 0.3f;
-float blur_radius = 3.0f;
+//float radius = 0.3f;
+// float inner_radius = 0.3f;
+float blur_radius = 20.0f;
+float blurred_mix_amount = 0.5f;
 	
 void update_hsv(Effect *lift_gamma_gain_effect, Effect *saturation_effect)
 {
@@ -72,12 +73,16 @@ void mouse(int x, int y)
 		read_colorwheel(xf, yf - 0.4f, &gain_rad, &gain_theta, &gain_v);
 	} else if (yf >= 0.6f && yf < 0.62f && xf < 0.2f) {
 		saturation = (xf / 0.2f) * 4.0f;
+#if 0
 	} else if (yf >= 0.65f && yf < 0.67f && xf < 0.2f) {
 		radius = (xf / 0.2f);
 	} else if (yf >= 0.70f && yf < 0.72f && xf < 0.2f) {
 		inner_radius = (xf / 0.2f);
+#endif
 	} else if (yf >= 0.75f && yf < 0.77f && xf < 0.2f) {
 		blur_radius = (xf / 0.2f) * 100.0f;
+	} else if (yf >= 0.80f && yf < 0.82f && xf < 0.2f) {
+		blurred_mix_amount = (xf / 0.2f);
 	}
 }
 
@@ -96,14 +101,14 @@ unsigned char *load_image(const char *filename, unsigned *w, unsigned *h)
 	rgba_fmt.Rloss = rgba_fmt.Gloss = rgba_fmt.Bloss = rgba_fmt.Aloss = 0;
 
 	// NOTE: Assumes little endian.
-	rgba_fmt.Rmask = 0x000000ff;
+	rgba_fmt.Rmask = 0x00ff0000;
 	rgba_fmt.Gmask = 0x0000ff00;
-	rgba_fmt.Bmask = 0x00ff0000;
+	rgba_fmt.Bmask = 0x000000ff;
 	rgba_fmt.Amask = 0xff000000;
 
-	rgba_fmt.Rshift = 0;
+	rgba_fmt.Rshift = 16;
 	rgba_fmt.Gshift = 8;
-	rgba_fmt.Bshift = 16;
+	rgba_fmt.Bshift = 0;
 	rgba_fmt.Ashift = 24;
 	
 	rgba_fmt.colorkey = 0;
@@ -159,20 +164,22 @@ int main(int argc, char **argv)
 	inout_format.color_space = COLORSPACE_sRGB;
 	inout_format.gamma_curve = GAMMA_sRGB;
 
-	chain.add_input(inout_format);
+	Input *input = chain.add_input(inout_format);
 	Effect *lift_gamma_gain_effect = chain.add_effect(EFFECT_LIFT_GAMMA_GAIN);
 	Effect *saturation_effect = chain.add_effect(EFFECT_SATURATION);
-	Effect *blur_effect = chain.add_effect(EFFECT_BLUR);
-	Effect *vignette_effect = chain.add_effect(EFFECT_VIGNETTE);
+	Effect *diffusion_effect = chain.add_effect(EFFECT_DIFFUSION);
+	//Effect *vignette_effect = chain.add_effect(EFFECT_VIGNETTE);
 	//Effect *sandbox_effect = chain.add_effect(EFFECT_SANDBOX);
 	//sandbox_effect->set_float("parm", 42.0f);
 	//chain.add_effect(EFFECT_MIRROR);
 	chain.add_output(inout_format);
 	chain.finalize();
 
-	// generate a PDO to hold the data we read back with glReadPixels()
-	// (Intel/DRI goes into a slow path if we don't read to PDO)
-	glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 1);
+	// generate a PBO to hold the data we read back with glReadPixels()
+	// (Intel/DRI goes into a slow path if we don't read to PBO)
+	GLuint pbo;
+	glGenBuffers(1, &pbo);
+	glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
 	glBufferData(GL_PIXEL_PACK_BUFFER_ARB, WIDTH * HEIGHT * 4, NULL, GL_STREAM_READ);
 
 	make_hsv_wheel_texture();
@@ -205,15 +212,17 @@ int main(int argc, char **argv)
 		++frame;
 
 		update_hsv(lift_gamma_gain_effect, saturation_effect);
-		vignette_effect->set_float("radius", radius);
-		vignette_effect->set_float("inner_radius", inner_radius);
+		//vignette_effect->set_float("radius", radius);
+		//vignette_effect->set_float("inner_radius", inner_radius);
 		//vignette_effect->set_vec2("center", (float[]){ 0.7f, 0.5f });
 
-		blur_effect->set_float("radius", blur_radius);
+		diffusion_effect->set_float("radius", blur_radius);
+		diffusion_effect->set_float("blurred_mix_amount", blurred_mix_amount);
 
-		chain.render_to_screen(src_img);
+		input->set_pixel_data(src_img);
+		chain.render_to_screen();
 		
-		glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 1);
+		glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
 		check_error();
 		glReadPixels(0, 0, WIDTH, HEIGHT, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, BUFFER_OFFSET(0));
 		check_error();
@@ -225,14 +234,17 @@ int main(int argc, char **argv)
 		draw_hsv_wheel(0.2f, gamma_rad, gamma_theta, gamma_v);
 		draw_hsv_wheel(0.4f, gain_rad, gain_theta, gain_v);
 		draw_saturation_bar(0.6f, saturation / 4.0f);
+#if 0
 		draw_saturation_bar(0.65f, radius);
 		draw_saturation_bar(0.70f, inner_radius);
+#endif
 		draw_saturation_bar(0.75f, blur_radius / 100.0f);
+		draw_saturation_bar(0.80f, blurred_mix_amount);
 
 		SDL_GL_SwapBuffers();
 		check_error();
 
-		glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 1);
+		glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
 		check_error();
 		unsigned char *screenbuf = (unsigned char *)glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY);
 		check_error();