X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Frenderer.cpp;h=cbec16e92a1bcfb8e00ca8df55a698c007077370;hb=2a27f2d40ef2359e347c838887101904789941d2;hp=bc49b0f802941f3ae2a7509ae86351dc51a67ca8;hpb=c46c75f8e3863dc3c6f91a2d5dc7f58333ec9260;p=libs%2Fgl.git

diff --git a/source/renderer.cpp b/source/renderer.cpp
index bc49b0f8..cbec16e9 100644
--- a/source/renderer.cpp
+++ b/source/renderer.cpp
@@ -1,6 +1,7 @@
 #include "batch.h"
 #include "buffer.h"
 #include "camera.h"
+#include "clipping.h"
 #include "error.h"
 #include "lighting.h"
 #include "material.h"
@@ -61,6 +62,16 @@ void Renderer::begin(const Camera *c)
 	}
 }
 
+void Renderer::set_matrix(const Matrix &matrix)
+{
+	mtx_stack.load(matrix);
+}
+
+void Renderer::transform(const Matrix &matrix)
+{
+	mtx_stack *= matrix;
+}
+
 void Renderer::set_texture(const Texture *t)
 {
 	state->texture = t;
@@ -92,6 +103,15 @@ void Renderer::set_lighting(const Lighting *l)
 	changed |= LIGHTING;
 }
 
+void Renderer::set_clipping(const Clipping *c)
+{
+	state->clipping = c;
+	state->clipping_matrix = mtx_stack.top();
+	if(c)
+		c->update_shader_data(standard_shdata, mtx_stack.top());
+	changed |= CLIPPING;
+}
+
 void Renderer::set_shader_program(const Program *p, const ProgramData *d)
 {
 	state->shprog = p;
@@ -134,6 +154,7 @@ void Renderer::pop_state()
 		throw stack_underflow("Renderer::pop_state");
 
 	const Lighting *old_lighting = state->lighting;
+	const Clipping *old_clipping = state->clipping;
 	state_stack.pop_back();
 	state = &state_stack.back();
 	if(shdata_stack.size()>state->shdata_count)
@@ -150,6 +171,12 @@ void Renderer::pop_state()
 			state->lighting->update_shader_data(standard_shdata, state->lighting_matrix);
 		changed |= LIGHTING;
 	}
+	if(state->clipping!=old_clipping)
+	{
+		if(state->clipping)
+			state->clipping->update_shader_data(standard_shdata, state->clipping_matrix);
+		changed |= CLIPPING;
+	}
 }
 
 void Renderer::escape()
@@ -246,6 +273,23 @@ void Renderer::apply_state()
 		}
 	}
 
+	if(state->clipping)
+	{
+		if(legacy_bindings)
+		{
+			if(changed&CLIPPING)
+			{
+				MatrixStack::modelview() = state->clipping_matrix;
+				state->clipping->bind(true);
+				changed = (changed&~CLIPPING)|LEGACY_MATRIX;
+			}
+		}
+		else
+			state->clipping->bind(false);
+	}
+	else
+		Clipping::unbind();
+
 	if(state->shprog)
 	{
 		bool shprog_changed = (state->shprog!=Program::current());
@@ -257,10 +301,7 @@ void Renderer::apply_state()
 			{
 				const Matrix &m = mtx_stack.top();
 				standard_shdata.uniform("eye_obj_matrix", mtx_stack.top());
-				LinAl::SquareMatrix<float, 3> nm;
-				for(unsigned i=0; i<3; ++i)
-					for(unsigned j=0; j<3; ++j)
-						nm(i, j) = m(i, j);
+				LinAl::SquareMatrix<float, 3> nm = m.block<3, 3>(0, 0);
 				nm = transpose(invert(nm));
 				standard_shdata.uniform_matrix3("eye_obj_normal_matrix", &nm(0, 0));
 				changed &= ~MODERN_MATRIX;
@@ -350,6 +391,7 @@ Renderer::State::State():
 	lowest_effect_texunit(TexUnit::get_n_units()),
 	material(0),
 	lighting(0),
+	clipping(0),
 	shprog(0),
 	shdata_count(0),
 	mesh(0),