From 917db342def84f9ce925df3cb27043b92ef2bfda Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 12 Feb 2021 00:19:53 +0200
Subject: [PATCH] Support setting a sampler directly in Renderer

---
 source/renderer.cpp | 11 ++++++++++-
 source/renderer.h   |  4 +++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/source/renderer.cpp b/source/renderer.cpp
index d4cbbfe3..416a0fc8 100644
--- a/source/renderer.cpp
+++ b/source/renderer.cpp
@@ -9,6 +9,7 @@
 #include "programdata.h"
 #include "renderable.h"
 #include "renderer.h"
+#include "sampler.h"
 #include "texture.h"
 #include "texturing.h"
 #include "texunit.h"
@@ -73,9 +74,10 @@ void Renderer::transform(const Matrix &matrix)
 	changed |= MATRIX;
 }
 
-void Renderer::set_texture(const Texture *t)
+void Renderer::set_texture(const Texture *t, const Sampler *s)
 {
 	state->texture = t;
+	state->sampler = s;
 	state->texturing = 0;
 }
 
@@ -83,6 +85,7 @@ void Renderer::set_texturing(const Texturing *t)
 {
 	state->texturing = t;
 	state->texture = 0;
+	state->sampler = 0;
 }
 
 unsigned Renderer::allocate_effect_texunit()
@@ -283,7 +286,13 @@ void Renderer::apply_state()
 	{
 		Texturing::unbind();
 		if(state->texture)
+		{
+			if(state->sampler)
+				state->sampler->bind_to(0);
+			else
+				Sampler::unbind_from(0);
 			state->texture->bind_to(0);
+		}
 		else
 			Texture::unbind_from(0);
 	}
diff --git a/source/renderer.h b/source/renderer.h
index a1217c77..2854bc8f 100644
--- a/source/renderer.h
+++ b/source/renderer.h
@@ -19,6 +19,7 @@ class Mesh;
 class Lighting;
 class Program;
 class Renderable;
+class Sampler;
 class Texture;
 class Texturing;
 class VertexSetup;
@@ -68,6 +69,7 @@ private:
 		const Camera *camera;
 		Matrix modelview_matrix;
 		const Texture *texture;
+		const Sampler *sampler;
 		const Texturing *texturing;
 		unsigned lowest_effect_texunit;
 		const Material *material;
@@ -124,7 +126,7 @@ public:
 	/** Returns the current modelview matrix. */
 	const Matrix &get_matrix() const { return state->modelview_matrix; }
 
-	void set_texture(const Texture *);
+	void set_texture(const Texture *, const Sampler * = 0);
 	void set_texturing(const Texturing *);
 	unsigned allocate_effect_texunit();
 	void set_material(const Material *);
-- 
2.45.2