RTT test in MV

gistfile1.diff

diff --git a/src/ModelViewer.cpp b/src/ModelViewer.cpp
index 3145ce0..011cc8d 100644
--- a/src/ModelViewer.cpp
+++ b/src/ModelViewer.cpp
@@ -105,6 +105,14 @@ ModelViewer::ModelViewer(Graphics::Renderer *r, LuaManager *lm)
   animSlider = 0;
 
 	onModelChanged.connect(sigc::mem_fun(*this, &ModelViewer::SetupUI));
+
+	Graphics::RenderTargetDesc rtd(256, 256, Graphics::TEXTURE_RGB_888, Graphics::TEXTURE_DEPTH, false);
+	m_renderTarget = r->CreateRenderTarget(rtd);
+
+	Graphics::MaterialDescriptor desc;
+	desc.textures = 1;
+	m_showRttMaterial.Reset(r->CreateMaterial(desc));
+	m_showRttMaterial->texture0 = m_renderTarget->GetColorTexture();
 }
 
 ModelViewer::~ModelViewer()
@@ -326,19 +334,19 @@ void ModelViewer::DrawBackground()
 	m_renderer->SetOrthographicProjection(0.f, 1.f, 0.f, 1.f, -1.f, 1.f);
 	m_renderer->SetTransform(matrix4x4f::Identity());
 
-	static Graphics::VertexArray va(Graphics::ATTRIB_POSITION | Graphics::ATTRIB_DIFFUSE);
+	static Graphics::VertexArray va(Graphics::ATTRIB_POSITION | Graphics::ATTRIB_UV0);
 	va.Clear();
 	const Color4f top = Color::BLACK;
 	const Color4f bottom = Color4f(0.3f);
-	va.Add(vector3f(0.f, 0.f, 0.f), bottom);
-	va.Add(vector3f(1.f, 0.f, 0.f), bottom);
-	va.Add(vector3f(1.f, 1.f, 0.f), top);
+	va.Add(vector3f(0.f, 0.f, 0.f), vector2f(0.f, 0.f));
+	va.Add(vector3f(1.f, 0.f, 0.f), vector2f(1.f, 0.f));
+	va.Add(vector3f(1.f, 1.f, 0.f), vector2f(1.f, 1.f));
 
-	va.Add(vector3f(0.f, 0.f, 0.f), bottom);
-	va.Add(vector3f(1.f, 1.f, 0.f), top);
-	va.Add(vector3f(0.f, 1.f, 0.f), top);
+	va.Add(vector3f(0.f, 0.f, 0.f), vector2f(0.f, 0.f));
+	va.Add(vector3f(1.f, 1.f, 0.f), vector2f(1.f, 1.f));
+	va.Add(vector3f(0.f, 1.f, 0.f), vector2f(0.f, 1.f));
 
-	m_renderer->DrawTriangles(&va, Graphics::vtxColorMaterial);
+	m_renderer->DrawTriangles(&va, m_showRttMaterial.Get());
 }
 
 void ModelViewer::DrawDockingLocators()
@@ -530,6 +538,11 @@ void ModelViewer::DrawGrid(const matrix4x4f &trans, float radius)
 
 void ModelViewer::DrawModel()
 {
+	m_renderer->SetDepthWrite(true);
+	m_renderer->SetRenderTarget(m_renderTarget);
+	m_renderer->SetViewport(0, 0, 256, 256);
+	m_renderer->ClearScreen();
+
 	assert(m_model);
 	m_renderer->SetBlendMode(Graphics::BLEND_SOLID);
 
@@ -571,6 +584,9 @@ void ModelViewer::DrawModel()
 		m_renderer->SetTransform(mv);
 		DrawDockingLocators();
 	}
+
+	m_renderer->SetRenderTarget(0);
+	m_renderer->SetViewport(0, 0, Graphics::GetScreenWidth(), Graphics::GetScreenHeight());
 }
 
 void ModelViewer::MainLoop()
diff --git a/src/ModelViewer.h b/src/ModelViewer.h
index b9a1c4b..c18fa59 100644
--- a/src/ModelViewer.h
+++ b/src/ModelViewer.h
@@ -11,6 +11,7 @@
 #include "NavLights.h"
 #include "graphics/Renderer.h"
 #include "graphics/Texture.h"
+#include "graphics/RenderTarget.h"
 #include "scenegraph/SceneGraph.h"
 #include "ui/Context.h"
 
@@ -111,6 +112,9 @@ private:
 	UI::Slider *thrustSliders[2*3]; //thruster sliders 2*xyz (linear & angular)
 
 	sigc::signal<void> onModelChanged;
+
+	Graphics::RenderTarget *m_renderTarget;
+	RefCountedPtr<Graphics::Material> m_showRttMaterial;
 };
 
 #endif