X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Frender%2Frenderer.cpp;h=336b631aaf91c467dbca5577abd81f2b79ebaebe;hb=ab9b22356f16aea822527c06186641d3121e1355;hp=6c8f1b67b29c0deb30161db2acfb19f6cffb2b79;hpb=b95aa29809038b39e6729f4e53af0dfb545bfcdc;p=libs%2Fgl.git

diff --git a/source/render/renderer.cpp b/source/render/renderer.cpp
index 6c8f1b67..336b631a 100644
--- a/source/render/renderer.cpp
+++ b/source/render/renderer.cpp
@@ -10,6 +10,7 @@
 #include "renderable.h"
 #include "renderer.h"
 #include "resourcemanager.h"
+#include "resources.h"
 #include "sampler.h"
 #include "texture.h"
 #include "vertexarray.h"
@@ -20,28 +21,27 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-Renderer::Renderer()
+Renderer::Renderer():
+	placeholder_texture(Resources::get_global().get<Texture>("_placeholder.png"))
 {
 	state_stack.reserve(16);
 	shdata_stack.reserve(32);
 	texture_stack.reserve(32);
 }
 
-Renderer::~Renderer()
-{
-}
-
 void Renderer::begin()
 {
 	if(current_state)
 		throw invalid_operation("Renderer::begin");
 
-	state_stack.push_back(State());
+	++frame_index;
+	state_stack.emplace_back();
 	current_state = &state_stack.back();
 
 	RendererBackend::begin();
 
 	add_shader_data(standard_shdata);
+	commands.begin_frame(frame_index);
 }
 
 void Renderer::end()
@@ -71,9 +71,14 @@ void Renderer::pop_state()
 	if(state_stack.size()==1)
 		throw stack_underflow("Renderer::pop_state");
 
+	uintptr_t old_pipeline = current_state->pipeline_key;
+
 	state_stack.pop_back();
 	current_state = &state_stack.back();
 	changed |= MATRIX;
+
+	if(current_state->pipeline_key!=old_pipeline)
+		changed |= PIPELINE_KEY;
 }
 
 Renderer::State &Renderer::get_state() const
@@ -85,6 +90,16 @@ Renderer::State &Renderer::get_state() const
 	return *current_state;
 }
 
+void Renderer::set_pipeline_key(uintptr_t key)
+{
+	State &state = get_state();
+	if(key!=state.pipeline_key)
+	{
+		state.pipeline_key = key;
+		changed |= PIPELINE_KEY;
+	}
+}
+
 void Renderer::set_camera(const Camera &c)
 {
 	get_state().camera = &c;
@@ -141,12 +156,21 @@ void Renderer::add_shader_data(const ProgramData &d)
 }
 
 void Renderer::set_texture(Tag tag, const Texture *tex, const Sampler *samp)
+{
+	set_texture(tag, tex, -1, samp);
+}
+
+void Renderer::set_texture(Tag tag, const Texture *tex, int level, const Sampler *samp)
 {
 	State &state = get_state();
 
 	if(tex)
+	{
 		if(ResourceManager *res_mgr = tex->get_manager())
 			res_mgr->resource_used(*tex);
+		if(!tex->is_loaded())
+			tex = &placeholder_texture;
+	}
 
 	if(texture_stack.size()>state.texture_count)
 	{
@@ -167,11 +191,12 @@ void Renderer::set_texture(Tag tag, const Texture *tex, const Sampler *samp)
 			break;
 		}
 
-	texture_stack.push_back(BoundTexture());
+	texture_stack.emplace_back();
 	BoundTexture &bound_tex = texture_stack.back();
 	bound_tex.tag = tag;
 	bound_tex.texture = tex;
 	bound_tex.sampler = samp;
+	bound_tex.level = level;
 	state.texture_count = texture_stack.size();
 }
 
@@ -231,28 +256,28 @@ void Renderer::set_object_lod_bias(unsigned b)
 
 void Renderer::clear(const ClearValue *values)
 {
-	const State &state = get_state();
-
-	pipeline_state.set_framebuffer(state.framebuffer);
-	pipeline_state.set_viewport(state.viewport);
-	pipeline_state.set_scissor(state.scissor);
-	commands.use_pipeline(&pipeline_state);
+	apply_framebuffer();
+	commands.use_pipeline(&get_pipeline_state());
 	commands.clear(values);
 }
 
 void Renderer::draw(const Batch &batch)
 {
 	apply_state();
-	batch.refresh();
-	commands.use_pipeline(&pipeline_state);
+	batch.refresh(frame_index);
+	PipelineState &ps = get_pipeline_state();
+	ps.set_primitive_type(batch.get_type());
+	commands.use_pipeline(&ps);
 	commands.draw(batch);
 }
 
 void Renderer::draw_instanced(const Batch &batch, unsigned count)
 {
 	apply_state();
-	batch.refresh();
-	commands.use_pipeline(&pipeline_state);
+	batch.refresh(frame_index);
+	PipelineState &ps = get_pipeline_state();
+	ps.set_primitive_type(batch.get_type());
+	commands.use_pipeline(&ps);
 	commands.draw_instanced(batch, count);
 }
 
@@ -268,8 +293,8 @@ void Renderer::resolve_multisample(Framebuffer &target)
 	if(target.get_width()!=width || target.get_height()!=height)
 		throw incompatible_data("Renderer::resolve_multisample");
 
-	pipeline_state.set_framebuffer(state.framebuffer);
-	commands.use_pipeline(&pipeline_state);
+	apply_framebuffer();
+	commands.use_pipeline(&get_pipeline_state());
 	commands.resolve_multisample(target);
 }
 
@@ -283,6 +308,29 @@ void Renderer::end_query(const QueryPool &pool, unsigned index)
 	commands.end_query(pool, index);
 }
 
+PipelineState &Renderer::get_pipeline_state()
+{
+	if(changed&PIPELINE_KEY)
+	{
+		RendererBackend::set_pipeline_key(current_state->pipeline_key);
+		changed &= ~PIPELINE_KEY;
+	}
+
+	return RendererBackend::get_pipeline_state();
+}
+
+void Renderer::apply_framebuffer()
+{
+	const State &state = get_state();
+
+	PipelineState &ps = get_pipeline_state();
+
+	ps.set_framebuffer(state.framebuffer);
+	static const Rect default_rect = Rect::max();
+	ps.set_viewport(state.viewport ? *state.viewport : default_rect);
+	ps.set_scissor(state.scissor ? *state.scissor : default_rect);
+}
+
 void Renderer::apply_state()
 {
 	const State &state = get_state();
@@ -290,12 +338,14 @@ void Renderer::apply_state()
 	if(!state.shprog)
 		throw invalid_operation("Renderer::apply_state");
 
-	pipeline_state.set_framebuffer(state.framebuffer);
-	pipeline_state.set_viewport(state.viewport);
-	pipeline_state.set_scissor(state.scissor);
+	apply_framebuffer();
+
+	PipelineState &ps = get_pipeline_state();
+	bool pipeline_changed = (&ps!=last_pipeline);
+	last_pipeline = &ps;
 
-	bool shprog_changed = (state.shprog!=pipeline_state.get_shader_program());
-	pipeline_state.set_shader_program(state.shprog);
+	bool shprog_changed = (state.shprog!=ps.get_shader_program());
+	ps.set_shader_program(state.shprog);
 
 	if(changed&MATRIX)
 	{
@@ -311,13 +361,13 @@ void Renderer::apply_state()
 		shdata_changed = (i->shdata->get_generation()!=i->generation);
 	bool extra_shdata = (shdata_stack.size()>state.shdata_count);
 
-	if(shdata_changed || shprog_changed || extra_shdata)
+	if(shdata_changed || shprog_changed || pipeline_changed || extra_shdata)
 	{
 		if(extra_shdata)
 			shdata_stack.erase(shdata_stack.begin()+state.shdata_count, shdata_stack.end());
 		for(const BoundProgramData &d: shdata_stack)
 		{
-			d.shdata->apply(*state.shprog, pipeline_state);
+			d.shdata->apply(*state.shprog, ps, frame_index);
 			d.generation = d.shdata->get_generation();
 		}
 		changed &= ~SHADER_DATA;
@@ -326,14 +376,14 @@ void Renderer::apply_state()
 	if(state.vertex_setup)
 	{
 		if(const VertexArray *array = state.vertex_setup->get_vertex_array())
-			array->refresh();
+			array->refresh(frame_index);
 		if(const VertexArray *array = state.vertex_setup->get_instance_array())
-			array->refresh();
+			array->refresh(frame_index);
 	}
-	pipeline_state.set_vertex_setup(state.vertex_setup);
+	ps.set_vertex_setup(state.vertex_setup);
 
-	pipeline_state.set_front_face(state.front_face);
-	pipeline_state.set_face_cull(state.face_cull);
+	ps.set_front_face(state.front_face);
+	ps.set_face_cull(state.face_cull);
 
 	if(state.texture_count<texture_stack.size())
 		flush_textures();
@@ -344,12 +394,15 @@ void Renderer::apply_state()
 			if(t.binding<0 || shprog_changed)
 				t.binding = state.shprog->get_uniform_binding(t.tag);
 			if(t.binding>=0)
-				pipeline_state.set_texture(t.binding, t.texture, t.sampler);
+				ps.set_texture(t.binding, t.texture, t.level, t.sampler);
 		}
 
-	pipeline_state.set_depth_test(state.depth_test);
-	pipeline_state.set_stencil_test(state.stencil_test);
-	pipeline_state.set_blend(state.blend);
+	static const DepthTest default_depth_test;
+	ps.set_depth_test(state.depth_test ? *state.depth_test : default_depth_test);
+	static const StencilTest default_stencil_test;
+	ps.set_stencil_test(state.stencil_test ? *state.stencil_test : default_stencil_test);
+	static const Blend default_blend;
+	ps.set_blend(state.blend ? *state.blend : default_blend);
 }