X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frender%2Frenderer.cpp;h=68b7927dcb7067c0e3331c33f3f09bab1bf6a04a;hp=15e4437ffe962c479f082487d5875299b3939d2a;hb=2b2676392aff2eb6b38c3e463cc67f4d67a4ef8b;hpb=4124807fcacedc8317bd109f056d48e077d0c12f

diff --git a/source/render/renderer.cpp b/source/render/renderer.cpp
index 15e4437f..68b7927d 100644
--- a/source/render/renderer.cpp
+++ b/source/render/renderer.cpp
@@ -2,6 +2,7 @@
 #include "buffer.h"
 #include "camera.h"
 #include "clipping.h"
+#include "deviceinfo.h"
 #include "error.h"
 #include "lighting.h"
 #include "material.h"
@@ -9,43 +10,24 @@
 #include "programdata.h"
 #include "renderable.h"
 #include "renderer.h"
+#include "resourcemanager.h"
 #include "sampler.h"
 #include "texture.h"
-#include "texturing.h"
-#include "texunit.h"
 #include "vertexarray.h"
 #include "vertexsetup.h"
-#include "windingtest.h"
 
 using namespace std;
 
 namespace Msp {
 namespace GL {
 
-Renderer::Renderer():
-	default_camera(0)
-{
-	init();
-}
-
-Renderer::Renderer(const Camera *c):
-	default_camera(c)
-{
-	init();
-
-	if(c)
-		set_camera(*c);
-}
-
-void Renderer::init()
+Renderer::Renderer()
 {
 	state_stack.reserve(16);
 	state_stack.push_back(State());
 	shdata_stack.reserve(32);
 	state = &state_stack.back();
-
-	standard_shdata.uniform("projection_matrix", Matrix());
-	standard_shdata.uniform("eye_world_matrix", Matrix());
+	add_shader_data(standard_shdata);
 }
 
 Renderer::~Renderer()
@@ -56,35 +38,32 @@ Renderer::~Renderer()
 void Renderer::set_camera(const Camera &c)
 {
 	state->camera = &c;
-	standard_shdata.uniform("projection_matrix", state->camera->get_projection_matrix());
-	standard_shdata.uniform("eye_world_matrix", state->camera->get_view_matrix());
-	changed |= STANDARD_SHDATA;
-	set_matrix(state->camera->get_view_matrix());
+	add_shader_data(c.get_shader_data());
+	set_matrix(Matrix());
 }
 
 void Renderer::set_matrix(const Matrix &matrix)
 {
-	state->modelview_matrix = matrix;
+	state->model_matrix = matrix;
 	changed |= MATRIX;
 }
 
 void Renderer::transform(const Matrix &matrix)
 {
-	state->modelview_matrix *= matrix;
+	state->model_matrix *= matrix;
 	changed |= MATRIX;
 }
 
 void Renderer::set_texture(Tag tag, const Texture *tex, const Sampler *samp)
 {
-	set_texture(tag, -1, tex, samp);
-}
+	if(tex)
+		if(ResourceManager *res_mgr = tex->get_manager())
+			res_mgr->resource_used(*tex);
 
-void Renderer::set_texture(Tag tag, int unit, const Texture *tex, const Sampler *samp)
-{
 	if(texture_stack.size()>state->texture_count)
 	{
 		BoundTexture &bt = texture_stack[state->texture_count];
-		if((!tag.id || bt.tag==tag) && (unit<0 || bt.unit==unit) && bt.texture==tex && bt.sampler==samp)
+		if(bt.tag==tag && bt.texture==tex && bt.sampler==samp)
 		{
 			++state->texture_count;
 			return;
@@ -94,7 +73,7 @@ void Renderer::set_texture(Tag tag, int unit, const Texture *tex, const Sampler
 	}
 
 	for(vector<BoundTexture>::iterator i=texture_stack.end(); i!=texture_stack.begin(); )
-		if((--i)->tag==tag && i->unit==unit)
+		if((--i)->tag==tag)
 		{
 			i->replaced = texture_stack.size();
 			break;
@@ -103,79 +82,37 @@ void Renderer::set_texture(Tag tag, int unit, const Texture *tex, const Sampler
 	texture_stack.push_back(BoundTexture());
 	BoundTexture &bound_tex = texture_stack.back();
 	bound_tex.tag = tag;
-	bound_tex.unit = unit;
 	bound_tex.texture = tex;
 	bound_tex.sampler = samp;
 	state->texture_count = texture_stack.size();
 }
 
-void Renderer::set_texture(const Texture *t, const Sampler *s)
-{
-	set_texture(Tag(), 0, t, s);
-}
-
 void Renderer::flush_textures()
 {
-	for(unsigned i=0; i<texture_stack.size(); ++i)
-	{
-		BoundTexture &bt = texture_stack[i];
-		if(i>=state->texture_count && bt.unit>=0)
-		{
-			Texture::unbind_from(bt.unit);
-			Sampler::unbind_from(bt.unit);
-		}
-		else if(bt.replaced>=static_cast<int>(state->texture_count))
-			bt.replaced = -1;
-	}
+	for(unsigned i=0; i<state->texture_count; ++i)
+		if(texture_stack[i].replaced>=static_cast<int>(state->texture_count))
+			texture_stack[i].replaced = -1;
 
 	texture_stack.erase(texture_stack.begin()+state->texture_count, texture_stack.end());
 }
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-void Renderer::set_texturing(const Texturing *t)
-{
-	if(t)
-	{
-		unsigned n_units = TexUnit::get_n_units();
-		for(unsigned i=0; i<n_units; ++i)
-			if(const Texture *tex = t->get_attached_texture(i))
-				set_texture(Tag(), i, tex, t->get_attached_sampler(i));
-	}
-}
-#pragma GCC diagnostic pop
-
-unsigned Renderer::allocate_effect_texunit()
-{
-	return --state->lowest_effect_texunit;
-}
-
 void Renderer::set_material(const Material *m)
 {
-	state->material = m;
-	changed |= MATERIAL_SHDATA;
+	if(m)
+		add_shader_data(m->get_shader_data());
 }
 
 void Renderer::set_lighting(const Lighting *l)
 {
-	state->lighting = l;
-	state->lighting_matrix = state->modelview_matrix;
 	if(l)
-	{
-		l->update_shader_data(standard_shdata, state->lighting_matrix);
-		changed |= STANDARD_SHDATA;
-	}
+		add_shader_data(l->get_shader_data());
 }
 
 void Renderer::set_clipping(const Clipping *c)
 {
 	state->clipping = c;
-	state->clipping_matrix = state->modelview_matrix;
 	if(c)
-	{
-		c->update_shader_data(standard_shdata, state->clipping_matrix);
-		changed |= STANDARD_SHDATA;
-	}
+		add_shader_data(c->get_shader_data());
 }
 
 void Renderer::set_shader_program(const Program *p, const ProgramData *d)
@@ -187,18 +124,23 @@ void Renderer::set_shader_program(const Program *p, const ProgramData *d)
 
 void Renderer::add_shader_data(const ProgramData &d)
 {
-	if(state->shdata_count<shdata_stack.size() && shdata_stack[state->shdata_count]==&d)
-		++state->shdata_count;
-	else
+	if(state->shdata_count<shdata_stack.size())
 	{
-		flush_shader_data();
-		shdata_stack.push_back(&d);
-		state->shdata_count = shdata_stack.size();
-		changed |= SHADER_DATA;
+		const BoundProgramData &top = shdata_stack.back();
+		if(top.shdata==&d && top.generation==d.get_generation())
+		{
+			++state->shdata_count;
+			return;
+		}
 	}
+
+	flush_shader_data_();
+	shdata_stack.push_back(&d);
+	state->shdata_count = shdata_stack.size();
+	changed |= SHADER_DATA;
 }
 
-void Renderer::flush_shader_data()
+void Renderer::flush_shader_data_()
 {
 	if(shdata_stack.size()>state->shdata_count)
 		shdata_stack.erase(shdata_stack.begin()+state->shdata_count, shdata_stack.end());
@@ -209,14 +151,29 @@ void Renderer::set_vertex_setup(const VertexSetup *vs)
 	state->vertex_setup = vs;
 }
 
-void Renderer::set_winding_test(const WindingTest *w)
+void Renderer::set_front_face(FaceWinding winding)
 {
-	state->winding_test = w;
+	state->front_face = winding;
 }
 
-void Renderer::set_reverse_winding(bool r)
+void Renderer::set_face_cull(CullMode cull)
 {
-	state->reverse_winding = r;
+	state->face_cull = cull;
+}
+
+void Renderer::set_depth_test(const DepthTest *dt)
+{
+	state->depth_test = dt;
+}
+
+void Renderer::set_stencil_test(const StencilTest *st)
+{
+	state->stencil_test = st;
+}
+
+void Renderer::set_blend(const Blend *b)
+{
+	state->blend = b;
 }
 
 void Renderer::set_object_lod_bias(unsigned b)
@@ -235,46 +192,9 @@ void Renderer::pop_state()
 	if(state_stack.size()==1)
 		throw stack_underflow("Renderer::pop_state");
 
-	const Camera *old_camera = state->camera;
-	const Lighting *old_lighting = state->lighting;
-	const Clipping *old_clipping = state->clipping;
 	state_stack.pop_back();
 	state = &state_stack.back();
 	changed |= MATRIX;
-	bool camera_changed = (state->camera!=old_camera);
-	if(camera_changed)
-	{
-		if(state->camera)
-		{
-			standard_shdata.uniform("projection_matrix", state->camera->get_projection_matrix());
-			standard_shdata.uniform("eye_world_matrix", state->camera->get_view_matrix());
-		}
-		else
-		{
-			standard_shdata.uniform("projection_matrix", Matrix());
-			standard_shdata.uniform("eye_world_matrix", Matrix());
-		}
-		changed |= STANDARD_SHDATA;
-	}
-	/* This actually should compare the relevant matrices rather than check for
-	camera, but in practice lighting and clipping is set right after the camera
-	and a boolean check is much faster than matrix comparison. */
-	if(state->lighting!=old_lighting || camera_changed)
-	{
-		if(state->lighting)
-		{
-			state->lighting->update_shader_data(standard_shdata, state->lighting_matrix);
-			changed |= STANDARD_SHDATA;
-		}
-	}
-	if(state->clipping!=old_clipping || camera_changed)
-	{
-		if(state->clipping)
-		{
-			state->clipping->update_shader_data(standard_shdata, state->clipping_matrix);
-			changed |= STANDARD_SHDATA;
-		}
-	}
 }
 
 void Renderer::end()
@@ -283,24 +203,11 @@ void Renderer::end()
 		throw invalid_operation("Renderer::end");
 
 	*state = State();
-	if(default_camera)
-		set_camera(*default_camera);
-	else
-		standard_shdata.uniform("projection_matrix", Matrix());
 	shdata_stack.clear();
+	add_shader_data(standard_shdata);
 	excluded.clear();
 
-	for(vector<BoundTexture>::iterator i=texture_stack.begin(); i!=texture_stack.end(); ++i)
-		if(i->unit>=0)
-		{
-			Texture::unbind_from(i->unit);
-			Sampler::unbind_from(i->unit);
-		}
-	Clipping::unbind();
-	Program::unbind();
-	VertexSetup::unbind();
-	Buffer::unbind_from(ELEMENT_ARRAY_BUFFER);
-	WindingTest::unbind();
+	PipelineState::clear();
 }
 
 void Renderer::exclude(const Renderable &renderable)
@@ -338,79 +245,63 @@ void Renderer::apply_state()
 	if(!state->shprog)
 		throw invalid_operation("Renderer::apply_state");
 
-	/* We (mostly) let the objects themselves figure out if the binding has
-	changed */
-
-	if(state->texture_count<texture_stack.size())
-		flush_textures();
-
-	for(vector<BoundTexture>::const_iterator i=texture_stack.begin(); i!=texture_stack.end(); ++i)
-	{
-		int unit = (i->tag.id ? state->shprog->get_uniform_binding(i->tag) : i->unit);
-		if(unit>=0)
-		{
-			if(i->texture)
-				i->texture->bind_to(unit);
-			if(i->sampler)
-				i->sampler->bind_to(unit);
-			i->unit = unit;
-		}
-	}
-
-	if(state->clipping)
-		state->clipping->bind();
-	else
-		Clipping::unbind();
-
-	bool shprog_changed = (state->shprog!=Program::current());
-	state->shprog->bind();
-
 	if(changed&MATRIX)
 	{
-		standard_shdata.uniform("eye_obj_matrix", state->modelview_matrix);
-		LinAl::SquareMatrix<float, 3> nm = state->modelview_matrix.block<3, 3>(0, 0);
+		standard_shdata.uniform("world_obj_matrix", state->model_matrix);
+		LinAl::SquareMatrix<float, 3> nm = state->model_matrix.block<3, 3>(0, 0);
 		nm = transpose(invert(nm));
-		standard_shdata.uniform("eye_obj_normal_matrix", nm);
-		changed = (changed&~MATRIX)|STANDARD_SHDATA;
+		standard_shdata.uniform("world_obj_normal_matrix", nm);
+		changed &= ~MATRIX;
 	}
 
-	if(state->material && ((changed&MATERIAL_SHDATA) || shprog_changed))
+	bool shprog_changed = (state->shprog!=pipeline_state.get_shader_program());
+	pipeline_state.set_shader_program(state->shprog);
+
+	if(state->vertex_setup)
 	{
-		state->material->get_shader_data().apply();
-		changed &= ~MATERIAL_SHDATA;
+		if(const VertexArray *array = state->vertex_setup->get_vertex_array())
+			array->refresh();
+		if(const VertexArray *array = state->vertex_setup->get_instance_array())
+			array->refresh();
 	}
+	pipeline_state.set_vertex_setup(state->vertex_setup);
+
+	pipeline_state.set_front_face(state->front_face);
+	pipeline_state.set_face_cull(state->face_cull);
+	pipeline_state.set_enabled_clip_planes(state->clipping ? (1<<state->clipping->get_n_planes())-1 : 0);
+
+	if(state->texture_count<texture_stack.size())
+		flush_textures();
 
-	if((changed&STANDARD_SHDATA) || shprog_changed)
+	for(vector<BoundTexture>::const_iterator i=texture_stack.begin(); i!=texture_stack.end(); ++i)
 	{
-		standard_shdata.apply();
-		changed &= ~STANDARD_SHDATA;
+		int unit = (i->tag.id ? state->shprog->get_uniform_binding(i->tag) : i->unit);
+		if(unit>=0)
+			pipeline_state.set_texture(unit, i->texture, i->sampler);
 	}
 
+	bool shdata_changed = changed&SHADER_DATA;
+	for(vector<BoundProgramData>::const_iterator i=shdata_stack.begin(); (!shdata_changed && i!=shdata_stack.end()); ++i)
+		shdata_changed = (i->shdata->get_generation()!=i->generation);
 	bool extra_shdata = (shdata_stack.size()>state->shdata_count);
 
-	if((changed&SHADER_DATA) || shprog_changed || extra_shdata)
+	if(shdata_changed || shprog_changed || extra_shdata)
 	{
 		if(extra_shdata)
 			shdata_stack.erase(shdata_stack.begin()+state->shdata_count, shdata_stack.end());
-		for(vector<const ProgramData *>::const_iterator i=shdata_stack.begin(); i!=shdata_stack.end(); ++i)
-			(*i)->apply();
+		for(vector<BoundProgramData>::const_iterator i=shdata_stack.begin(); i!=shdata_stack.end(); ++i)
+		{
+			i->shdata->apply(*state->shprog, pipeline_state);
+			i->generation = i->shdata->get_generation();
+		}
 		changed &= ~SHADER_DATA;
 	}
 
-	if(state->vertex_setup)
-		state->vertex_setup->bind();
-	else
-		VertexSetup::unbind();
+	pipeline_state.set_depth_test(state->depth_test);
+	pipeline_state.set_stencil_test(state->stencil_test);
+	pipeline_state.set_blend(state->blend);
 
-	if(state->winding_test)
-	{
-		if(state->reverse_winding)
-			state->winding_test->get_reverse().bind();
-		else
-			state->winding_test->bind();
-	}
-	else
-		WindingTest::unbind();
+	pipeline_state.apply();
 }
 
 
@@ -422,18 +313,25 @@ Renderer::BoundTexture::BoundTexture():
 { }
 
 
+Renderer::BoundProgramData::BoundProgramData(const ProgramData *d):
+	shdata(d),
+	generation(0)
+{ }
+
+
 Renderer::State::State():
 	camera(0),
 	texture_count(0),
-	lowest_effect_texunit(TexUnit::get_n_units()),
-	material(0),
-	lighting(0),
+	lowest_effect_texunit(Limits::get_global().max_texture_bindings),
 	clipping(0),
 	shprog(0),
 	shdata_count(0),
 	vertex_setup(0),
-	winding_test(0),
-	reverse_winding(false),
+	front_face(NON_MANIFOLD),
+	face_cull(NO_CULL),
+	depth_test(0),
+	stencil_test(0),
+	blend(0),
 	object_lod_bias(0)
 { }