From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 24 Apr 2021 20:18:51 +0000 (+0300)
Subject: Make EnvironmentMap's pixel format configurable
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=fea00edfb3b4274cb87e131743415e1fd22d0c1a

Make EnvironmentMap's pixel format configurable
---

diff --git a/source/effects/environmentmap.cpp b/source/effects/environmentmap.cpp
index d9812c49..c714a56f 100644
--- a/source/effects/environmentmap.cpp
+++ b/source/effects/environmentmap.cpp
@@ -12,14 +12,28 @@ namespace GL {
 
 EnvironmentMap::EnvironmentMap(Resources &resources, unsigned s, Renderable &r, Renderable &e):
 	Effect(r),
-	size(s),
 	environment(e),
-	sampler(resources.get<Sampler>("_linear_clamp.samp")),
-	rendered(false),
-	update_interval(1),
-	update_delay(0)
+	sampler(resources.get<Sampler>("_linear_clamp.samp"))
 {
-	env_tex.storage(RGB8, size, 1);
+	init(s, RGB8);
+}
+
+EnvironmentMap::EnvironmentMap(Resources &resources, unsigned s, PixelFormat f, Renderable &r, Renderable &e):
+	Effect(r),
+	environment(e),
+	sampler(resources.get<Sampler>("_linear_clamp.samp"))
+{
+	init(s, f);
+}
+
+void EnvironmentMap::init(unsigned s, PixelFormat f)
+{
+	size = s;
+	rendered = false;
+	update_interval = 1;
+	update_delay = 0;
+
+	env_tex.storage(f, size);
 	depth_buf.storage(DEPTH_COMPONENT32F, size, size);
 	for(unsigned i=0; i<6; ++i)
 	{
diff --git a/source/effects/environmentmap.h b/source/effects/environmentmap.h
index ff3d6c42..68bce7de 100644
--- a/source/effects/environmentmap.h
+++ b/source/effects/environmentmap.h
@@ -46,7 +46,11 @@ private:
 
 public:
 	EnvironmentMap(Resources &, unsigned size, Renderable &rend, Renderable &env);
+	EnvironmentMap(Resources &, unsigned size, PixelFormat, Renderable &rend, Renderable &env);
+private:
+	void init(unsigned, PixelFormat, unsigned);
 
+public:
 	void set_depth_clip(float, float);
 
 	/** Sets the interval in frames between environment map updates.  A value of