X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frender%2Frenderer.cpp;h=aa6c9b55a4d4206ef458012e280efdacb3e9aba5;hp=1d43a939432f9a593381992824aedec7fca87f84;hb=006bdb4f8660098fc524dcca80b24c943c65b249;hpb=e24dcc10ff0d78203331eabae6b934c9e064105d

diff --git a/source/render/renderer.cpp b/source/render/renderer.cpp
index 1d43a939..aa6c9b55 100644
--- a/source/render/renderer.cpp
+++ b/source/render/renderer.cpp
@@ -10,13 +10,11 @@
 #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;
 
@@ -24,27 +22,14 @@ 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()
+	changed(0)
 {
 	state_stack.reserve(16);
 	state_stack.push_back(State());
 	shdata_stack.reserve(32);
 	state = &state_stack.back();
 	add_shader_data(standard_shdata);
+	commands.use_pipeline(pipeline_state);
 }
 
 Renderer::~Renderer()
@@ -71,17 +56,31 @@ void Renderer::transform(const Matrix &matrix)
 	changed |= MATRIX;
 }
 
-void Renderer::set_texture(Tag tag, const Texture *tex, const Sampler *samp)
+void Renderer::set_framebuffer(const Framebuffer *f)
 {
-	set_texture(tag, -1, tex, samp);
+	state->framebuffer = f;
 }
 
-void Renderer::set_texture(Tag tag, int unit, const Texture *tex, const Sampler *samp)
+void Renderer::set_viewport(const Rect *v)
 {
+	state->viewport = v;
+}
+
+void Renderer::set_scissor(const Rect *s)
+{
+	state->scissor = s;
+}
+
+void Renderer::set_texture(Tag tag, const Texture *tex, const Sampler *samp)
+{
+	if(tex)
+		if(ResourceManager *res_mgr = tex->get_manager())
+			res_mgr->resource_used(*tex);
+
 	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;
@@ -90,8 +89,8 @@ void Renderer::set_texture(Tag tag, int unit, const Texture *tex, const Sampler
 			flush_textures();
 	}
 
-	for(vector<BoundTexture>::iterator i=texture_stack.end(); i!=texture_stack.begin(); )
-		if((--i)->tag==tag && i->unit==unit)
+	for(auto i=texture_stack.end(); i!=texture_stack.begin(); )
+		if((--i)->tag==tag)
 		{
 			i->replaced = texture_stack.size();
 			break;
@@ -100,53 +99,20 @@ 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)
 {
 	if(m)
@@ -202,14 +168,29 @@ 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->front_face = winding;
+}
+
+void Renderer::set_face_cull(CullMode cull)
+{
+	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->winding_test = w;
+	state->stencil_test = st;
 }
 
-void Renderer::set_reverse_winding(bool r)
+void Renderer::set_blend(const Blend *b)
 {
-	state->reverse_winding = r;
+	state->blend = b;
 }
 
 void Renderer::set_object_lod_bias(unsigned b)
@@ -239,22 +220,11 @@ void Renderer::end()
 		throw invalid_operation("Renderer::end");
 
 	*state = State();
-	if(default_camera)
-		set_camera(*default_camera);
 	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)
@@ -273,18 +243,38 @@ void Renderer::render(const Renderable &renderable, Tag tag)
 		renderable.render(*this, tag);
 }
 
+void Renderer::clear(const ClearValue *values)
+{
+	pipeline_state.set_framebuffer(state->framebuffer);
+	commands.clear(values);
+}
+
 void Renderer::draw(const Batch &batch)
 {
 	apply_state();
-
-	batch.draw();
+	batch.refresh();
+	commands.draw(batch);
 }
 
 void Renderer::draw_instanced(const Batch &batch, unsigned count)
 {
 	apply_state();
+	batch.refresh();
+	commands.draw_instanced(batch, count);
+}
+
+void Renderer::resolve_multisample(Framebuffer &target, BufferBits buffers)
+{
+	if(!state->framebuffer)
+		throw invalid_operation("Renderer::resolve_multisample");
 
-	batch.draw_instanced(count);
+	unsigned width = state->framebuffer->get_width();
+	unsigned height = state->framebuffer->get_height();
+	if(target.get_width()!=width || target.get_height()!=height)
+		throw incompatible_data("Renderer::resolve_multisample");
+
+	pipeline_state.set_framebuffer(state->framebuffer);
+	commands.resolve_multisample(target, buffers);
 }
 
 void Renderer::apply_state()
@@ -292,44 +282,47 @@ 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(changed&MATRIX)
+	{
+		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("world_obj_normal_matrix", nm);
+		changed &= ~MATRIX;
+	}
 
-	if(state->texture_count<texture_stack.size())
-		flush_textures();
+	pipeline_state.set_framebuffer(state->framebuffer);
+	pipeline_state.set_viewport(state->viewport);
+	pipeline_state.set_scissor(state->scissor);
+
+	bool shprog_changed = (state->shprog!=pipeline_state.get_shader_program());
+	pipeline_state.set_shader_program(state->shprog);
 
-	for(vector<BoundTexture>::const_iterator i=texture_stack.begin(); i!=texture_stack.end(); ++i)
+	if(state->vertex_setup)
 	{
-		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(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);
 
-	if(state->clipping)
-		state->clipping->bind();
-	else
-		Clipping::unbind();
+	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);
 
-	bool shprog_changed = (state->shprog!=Program::current());
-	state->shprog->bind();
+	if(state->texture_count<texture_stack.size())
+		flush_textures();
 
-	if(changed&MATRIX)
+	for(const BoundTexture &t: texture_stack)
 	{
-		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("world_obj_normal_matrix", nm);
-		changed &= ~MATRIX;
+		int unit = (t.tag.id ? state->shprog->get_uniform_binding(t.tag) : t.unit);
+		if(unit>=0)
+			pipeline_state.set_texture(unit, t.texture, t.sampler);
 	}
 
 	bool shdata_changed = changed&SHADER_DATA;
-	for(vector<BoundProgramData>::const_iterator i=shdata_stack.begin(); (!shdata_changed && i!=shdata_stack.end()); ++i)
+	for(auto 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);
 
@@ -337,28 +330,17 @@ void Renderer::apply_state()
 	{
 		if(extra_shdata)
 			shdata_stack.erase(shdata_stack.begin()+state->shdata_count, shdata_stack.end());
-		for(vector<BoundProgramData>::const_iterator i=shdata_stack.begin(); i!=shdata_stack.end(); ++i)
+		for(const BoundProgramData &d: shdata_stack)
 		{
-			i->shdata->apply();
-			i->generation = i->shdata->get_generation();
+			d.shdata->apply(*state->shprog, pipeline_state);
+			d.generation = d.shdata->get_generation();
 		}
 		changed &= ~SHADER_DATA;
 	}
 
-	if(state->vertex_setup)
-		state->vertex_setup->bind();
-	else
-		VertexSetup::unbind();
-
-	if(state->winding_test)
-	{
-		if(state->reverse_winding)
-			state->winding_test->get_reverse().bind();
-		else
-			state->winding_test->bind();
-	}
-	else
-		WindingTest::unbind();
+	pipeline_state.set_depth_test(state->depth_test);
+	pipeline_state.set_stencil_test(state->stencil_test);
+	pipeline_state.set_blend(state->blend);
 }
 
 
@@ -378,14 +360,19 @@ Renderer::BoundProgramData::BoundProgramData(const ProgramData *d):
 
 Renderer::State::State():
 	camera(0),
+	framebuffer(0),
+	viewport(0),
+	scissor(0),
 	texture_count(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)
 { }