paint: expose bloom strength

paint/sources/config.c

@@ -72,7 +72,7 @@ void config_save() {
 	json_encode_f32("window_scale", g_config->window_scale);
 	json_encode_f32("rp_supersample", g_config->rp_supersample);
 	json_encode_bool("rp_ssao", g_config->rp_ssao);
-	json_encode_bool("rp_bloom", g_config->rp_bloom);
+	json_encode_f32("rp_bloom", g_config->rp_bloom);
 	json_encode_f32("rp_vignette", g_config->rp_vignette);
 	json_encode_f32("rp_grain", g_config->rp_grain);
 	json_encode_string("lut_path", g_config->lut_path);
@@ -178,7 +178,7 @@ void config_init() {
 #endif
 		g_config->window_vsync     = true;
 		g_config->window_frequency = sys_display_frequency();
-		g_config->rp_bloom         = false;
+		g_config->rp_bloom         = 0.0;
 		g_config->rp_vignette      = 0.2;
 		g_config->rp_grain         = 0.09;
 		g_config->lut_path         = "";

paint/sources/render/render_path_base.c

@@ -185,7 +185,7 @@ void render_path_base_commands(void (*draw_commands)(void)) {
 }
 
 void render_path_base_draw_bloom(char *source, char *target) {
-	if (g_config->rp_bloom == false) {
+	if (g_config->rp_bloom == 0.0) {
 		return;
 	}
 

paint/sources/types.h

@@ -93,7 +93,7 @@ typedef struct config {
 	// Render path
 	f32   rp_supersample;
 	bool  rp_ssao;
-	bool  rp_bloom;
+	f32   rp_bloom;
 	f32   rp_vignette;
 	f32   rp_grain;
 	char *lut_path; // .cube

paint/sources/ui/box_preferences.c

@@ -663,10 +663,10 @@ void box_preferences_viewport_tab() {
 		}
 
 		ui_handle_t *h_bloom = ui_handle(__ID__);
-		h_bloom->b           = g_config->rp_bloom;
-		g_config->rp_bloom   = ui_check(h_bloom, tr("Bloom"), "");
+		h_bloom->f           = g_config->rp_bloom;
+		g_config->rp_bloom   = ui_slider(h_bloom, tr("Bloom"), 0.0, 1.0, true, 100.0, true, UI_ALIGN_RIGHT, true);
 		if (h_bloom->changed) {
-			config_apply();
+			g_context->ddirty = 2;
 		}
 	}
 

paint/sources/uniforms.c

@@ -53,7 +53,8 @@ f32 uniforms_ext_f32_link(object_t *object, material_data_t *mat, char *link) {
 		return render_path_base_bloom_sample_scale;
 	}
 	else if (string_equals(link, "_bloom_strength")) {
-		return g_context->viewport_mode == VIEWPORT_MODE_PATH_TRACE ? 0.2 : 0.02;
+		f32 base = g_context->viewport_mode == VIEWPORT_MODE_PATH_TRACE ? 0.2 : 0.02;
+		return base * g_config->rp_bloom;
 	}
 	else if (string_equals(link, "_brush_scale_x")) {
 		return 1 / (float)g_context->brush_scale_x;