X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fpostprocessor.cpp;h=6af069e97df613c76fda5a4ed8399b88c4e69b87;hp=28ae71b0945b2ca28e04cf3de34d60e222a36646;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=18240e2bb031551e9c72a55c7d974904d209760a

diff --git a/source/postprocessor.cpp b/source/postprocessor.cpp
index 28ae71b0..6af069e9 100644
--- a/source/postprocessor.cpp
+++ b/source/postprocessor.cpp
@@ -1,53 +1,63 @@
 #include "mesh.h"
 #include "meshbuilder.h"
 #include "postprocessor.h"
+#include "sampler.h"
 #include "shader.h"
 
-namespace {
-
-const char fullscreen_vs_source[] =
-	"attribute vec4 vertex;\n"
-	"varying vec2 texcoord;\n"
-	"void main()\n"
-	"{\n"
-	"	gl_Position = vertex;\n"
-	"	texcoord = vertex.xy*0.5+0.5;\n"
-	"}\n";
-
-}
-
-
 namespace Msp {
 namespace GL {
 
+WeakPtr<Mesh> PostProcessor::fullscreen_quad;
+WeakPtr<Sampler> PostProcessor::nearest_sampler;
+WeakPtr<Sampler> PostProcessor::linear_sampler;
+
 void PostProcessor::render(Renderer &, const Texture2D &color, const Texture2D &depth)
 {
 	render(color, depth);
 }
 
-Shader &PostProcessor::get_fullscreen_vertex_shader()
+RefPtr<Mesh> PostProcessor::get_fullscreen_quad()
 {
-	static VertexShader shader(fullscreen_vs_source);
-	return shader;
+	RefPtr<Mesh> mesh = fullscreen_quad;
+	if(!mesh)
+	{
+		mesh = new Mesh(VERTEX2);
+		MeshBuilder builder(*mesh);
+		builder.begin(TRIANGLE_STRIP);
+		builder.vertex(-1, 1);
+		builder.vertex(-1, -1);
+		builder.vertex(1, 1);
+		builder.vertex(1, -1);
+		builder.end();
+		fullscreen_quad = mesh;
+	}
+	return mesh;
 }
 
-const Mesh &PostProcessor::get_fullscreen_quad()
+RefPtr<Sampler> PostProcessor::get_nearest_sampler()
 {
-	static const Mesh &mesh = create_fullscreen_quad();
-	return mesh;
+	RefPtr<Sampler> sampler = nearest_sampler;
+	if(!sampler)
+	{
+		sampler = new Sampler;
+		sampler->set_filter(NEAREST);
+		sampler->set_wrap(CLAMP_TO_EDGE);
+		nearest_sampler = sampler;
+	}
+	return sampler;
 }
 
-const Mesh &PostProcessor::create_fullscreen_quad()
+RefPtr<Sampler> PostProcessor::get_linear_sampler()
 {
-	static Mesh mesh(VERTEX2);
-	MeshBuilder builder(mesh);
-	builder.begin(TRIANGLE_STRIP);
-	builder.vertex(-1, 1);
-	builder.vertex(-1, -1);
-	builder.vertex(1, 1);
-	builder.vertex(1, -1);
-	builder.end();
-	return mesh;
+	RefPtr<Sampler> sampler = linear_sampler;
+	if(!sampler)
+	{
+		sampler = new Sampler;
+		sampler->set_filter(LINEAR);
+		sampler->set_wrap(CLAMP_TO_EDGE);
+		linear_sampler = sampler;
+	}
+	return sampler;
 }