X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frenderer.cpp;h=0207f9378324aaed15a22725fbaa5897bf666bff;hp=606dd341336fcbc8668bc8724e38898f9fe084bb;hb=f1034ec02beee2a497644fd91e680fd51ee1b5ac;hpb=57de40e1e802e44ae5b4caa67b0bb8763828b5c3

diff --git a/source/renderer.cpp b/source/renderer.cpp
index 606dd341..0207f937 100644
--- a/source/renderer.cpp
+++ b/source/renderer.cpp
@@ -22,7 +22,8 @@ namespace GL {
 
 Renderer::Renderer(const Camera *c):
 	mtx_stack(*this),
-	mtx_changed(false),
+	mtx_changed(true),
+	matrices_loaded(false),
 	camera(c),
 	state_stack(1),
 	lighting_changed(false),
@@ -32,11 +33,8 @@ Renderer::Renderer(const Camera *c):
 	shdata_stack.reserve(32);
 	state = &state_stack.back();
 
-	MatrixStack::modelview().push();
 	if(camera)
 	{
-		MatrixStack::projection().push();
-		camera->apply();
 		mtx_stack.load(camera->get_matrix());
 		standard_shdata.uniform("projection_matrix", camera->get_projection_matrix());
 	}
@@ -49,9 +47,12 @@ Renderer::Renderer(const Camera *c):
 
 Renderer::~Renderer()
 {
-	if(camera)
-		MatrixStack::projection().pop();
-	MatrixStack::modelview().pop();
+	if(matrices_loaded)
+	{
+		if(camera)
+			MatrixStack::projection().pop();
+		MatrixStack::modelview().pop();
+	}
 
 	Mesh::unbind();
 	Texturing::unbind();
@@ -157,6 +158,7 @@ void Renderer::escape()
 {
 	apply_state();
 	Buffer::unbind_from(ELEMENT_ARRAY_BUFFER);
+	matrices_loaded = false;
 }
 
 void Renderer::exclude(const Renderable &renderable)
@@ -282,10 +284,24 @@ void Renderer::apply_state()
 	else
 		WindingTest::unbind();
 
-	if(legacy_bindings && mtx_changed)
+	if(legacy_bindings)
 	{
-		MatrixStack::modelview() = mtx_stack.top();
-		mtx_changed = false;
+		if(!matrices_loaded)
+		{
+			MatrixStack::modelview().push();
+			if(camera)
+			{
+				MatrixStack::projection().push();
+				camera->apply();
+			}
+			matrices_loaded = true;
+		}
+
+		if(mtx_changed)
+		{
+			MatrixStack::modelview() = mtx_stack.top();
+			mtx_changed = false;
+		}
 	}
 }