#include "batch.h"
#include "buffer.h"
#include "camera.h"
-#include "clipping.h"
#include "error.h"
+#include "framebuffer.h"
#include "lighting.h"
#include "material.h"
#include "program.h"
#include "programdata.h"
#include "renderable.h"
#include "renderer.h"
+#include "resourcemanager.h"
+#include "resources.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 {
+const Tag Renderer::world_obj_matrix_tag("world_obj_matrix");
+const Tag Renderer::world_obj_normal_matrix_tag("world_obj_normal_matrix");
+
Renderer::Renderer():
- default_camera(0)
+ placeholder_texture(Resources::get_global().get<Texture>("_placeholder.png")),
+ default_sampler(Resources::get_global().get<Sampler>("_linear_clamp.samp"))
{
- init();
+ state_stack.reserve(16);
+ shdata_stack.reserve(32);
+ texture_stack.reserve(32);
}
-Renderer::Renderer(const Camera *c):
- default_camera(c)
+void Renderer::begin()
{
- init();
+ if(current_state)
+ throw invalid_operation("Renderer::begin");
+
+ ++frame_index;
+ state_stack.emplace_back();
+ current_state = &state_stack.back();
+
+ RendererBackend::begin();
- if(c)
- set_camera(*c);
+ commands.begin_frame(frame_index);
}
-void Renderer::init()
+void Renderer::end()
{
- state_stack.reserve(16);
- state_stack.push_back(State());
- shdata_stack.reserve(32);
- state = &state_stack.back();
+ if(!current_state || state_stack.size()>1)
+ throw invalid_operation("Renderer::end");
+
+ RendererBackend::end();
- standard_shdata.uniform("projection_matrix", Matrix());
- standard_shdata.uniform("eye_world_matrix", Matrix());
+ current_state = 0;
+ state_stack.clear();
+ texture_stack.clear();
+ shdata_stack.clear();
}
-Renderer::~Renderer()
+void Renderer::push_state()
{
- end();
+ if(state_stack.empty())
+ throw invalid_operation("Renderer::push_state");
+
+ state_stack.push_back(state_stack.back());
+ current_state = &state_stack.back();
}
-void Renderer::set_camera(const Camera &c)
+void Renderer::pop_state()
{
- 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());
+ 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;
}
-void Renderer::set_matrix(const Matrix &matrix)
+Renderer::State &Renderer::get_state() const
{
- state->modelview_matrix = matrix;
- changed |= MATRIX;
+#ifdef DEBUG
+ if(!current_state)
+ throw invalid_operation("Renderer::get_state");
+#endif
+ 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::transform(const Matrix &matrix)
+void Renderer::set_camera(const Camera &c)
{
- state->modelview_matrix *= matrix;
+ get_state().camera = &c;
+ set_matrix(Matrix());
+}
+
+void Renderer::set_matrix(const Matrix &matrix)
+{
+ get_state().model_matrix = matrix;
changed |= MATRIX;
}
-void Renderer::set_texture(const Texture *t, const Sampler *s)
+void Renderer::set_framebuffer(const Framebuffer *f)
{
- state->texture = t;
- state->sampler = s;
- state->texturing = 0;
+ get_state().framebuffer = f;
}
-void Renderer::set_texturing(const Texturing *t)
+void Renderer::set_viewport(const Rect *v)
{
- state->texturing = t;
- state->texture = 0;
- state->sampler = 0;
+ get_state().viewport = v;
}
-unsigned Renderer::allocate_effect_texunit()
+void Renderer::set_scissor(const Rect *s)
{
- return --state->lowest_effect_texunit;
+ get_state().scissor = s;
}
-void Renderer::set_material(const Material *m)
+void Renderer::set_shader_program(const Program *p, const ProgramData *d)
{
- state->material = m;
- changed |= MATERIAL_SHDATA;
+ get_state().shprog = p;
+ if(p && d)
+ add_shader_data(*d);
}
-void Renderer::set_lighting(const Lighting *l)
+void Renderer::add_shader_data(const ProgramData &d)
{
- state->lighting = l;
- state->lighting_matrix = state->modelview_matrix;
- if(l)
+ State &state = get_state();
+
+ if(state.shdata_count<shdata_stack.size())
{
- l->update_shader_data(standard_shdata, state->lighting_matrix);
- changed |= STANDARD_SHDATA;
+ 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::set_clipping(const Clipping *c)
+void Renderer::set_texture(Tag tag, const Texture *tex, const Sampler *samp)
{
- state->clipping = c;
- state->clipping_matrix = state->modelview_matrix;
- if(c)
+ 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)
{
- c->update_shader_data(standard_shdata, state->clipping_matrix);
- changed |= STANDARD_SHDATA;
+ if(ResourceManager *res_mgr = tex->get_manager())
+ res_mgr->resource_used(*tex);
+ if(!tex->is_loaded())
+ tex = &placeholder_texture;
+ if(!samp)
+ samp = &default_sampler;
}
+ else
+ samp = 0;
+
+ set_resource(texture_stack, state.texture_count, tag, { tex, samp, level });
}
-void Renderer::set_shader_program(const Program *p, const ProgramData *d)
+void Renderer::set_storage_texture(Tag tag, const Texture *tex)
{
- state->shprog = p;
- if(p && d)
- add_shader_data(*d);
+ State &state = get_state();
+ set_resource(texture_stack, state.texture_count, tag, { tex, 0, 0 });
}
-void Renderer::add_shader_data(const ProgramData &d)
+template<typename T>
+void Renderer::set_resource(vector<BoundResource<T>> &stack, unsigned &count, Tag tag, const T &res)
{
- if(state->shdata_count<shdata_stack.size() && shdata_stack[state->shdata_count]==&d)
- ++state->shdata_count;
- else
+ if(stack.size()>count)
{
- flush_shader_data();
- shdata_stack.push_back(&d);
- state->shdata_count = shdata_stack.size();
- changed |= SHADER_DATA;
+ BoundResource<T> &top = stack[count];
+ if(top.tag==tag && top.resource==res)
+ {
+ ++count;
+ return;
+ }
+ else
+ flush_resources(stack, count);
}
+
+ for(auto i=stack.end(); i!=stack.begin(); )
+ if((--i)->tag==tag)
+ {
+ i->replaced = stack.size();
+ break;
+ }
+
+ stack.emplace_back();
+ BoundResource<T> &bound_res = stack.back();
+ bound_res.tag = tag;
+ bound_res.resource = res;
+ count = stack.size();
}
void Renderer::flush_shader_data()
{
- if(shdata_stack.size()>state->shdata_count)
- shdata_stack.erase(shdata_stack.begin()+state->shdata_count, shdata_stack.end());
+ const State &state = get_state();
+
+ if(shdata_stack.size()>state.shdata_count)
+ shdata_stack.erase(shdata_stack.begin()+state.shdata_count, shdata_stack.end());
+}
+
+template<typename T>
+void Renderer::flush_resources(vector<BoundResource<T>> &stack, unsigned &count)
+{
+ for(unsigned i=0; i<count; ++i)
+ if(stack[i].replaced>=static_cast<int>(count))
+ stack[i].replaced = -1;
+
+ stack.erase(stack.begin()+count, stack.end());
}
void Renderer::set_vertex_setup(const VertexSetup *vs)
{
- state->vertex_setup = vs;
+ get_state().vertex_setup = vs;
}
-void Renderer::set_winding_test(const WindingTest *w)
+void Renderer::set_front_face(FaceWinding winding)
{
- state->winding_test = w;
+ get_state().front_face = winding;
}
-void Renderer::set_reverse_winding(bool r)
+void Renderer::set_face_cull(CullMode cull)
{
- state->reverse_winding = r;
+ get_state().face_cull = cull;
}
-void Renderer::set_object_lod_bias(unsigned b)
+void Renderer::set_depth_test(const DepthTest *dt)
{
- state->object_lod_bias = b;
+ get_state().depth_test = dt;
}
-void Renderer::push_state()
+void Renderer::set_stencil_test(const StencilTest *st)
{
- state_stack.push_back(state_stack.back());
- state = &state_stack.back();
+ get_state().stencil_test = st;
}
-void Renderer::pop_state()
+void Renderer::set_blend(const Blend *b)
{
- if(state_stack.size()==1)
- throw stack_underflow("Renderer::pop_state");
+ get_state().blend = b;
+}
- 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::set_object_lod_bias(unsigned b)
+{
+ get_state().object_lod_bias = b;
}
-void Renderer::end()
+void Renderer::clear(const ClearValue *values)
{
- if(state_stack.size()>1)
- throw invalid_operation("Renderer::end");
+ apply_framebuffer();
+ commands.use_pipeline(&get_pipeline_state());
+ commands.clear(values);
+}
- *state = State();
- if(default_camera)
- set_camera(*default_camera);
- else
- standard_shdata.uniform("projection_matrix", Matrix());
- shdata_stack.clear();
- excluded.clear();
+void Renderer::draw(const Batch &batch)
+{
+ apply_state();
+ apply_batch(batch);
+ commands.draw(batch);
+}
- Texturing::unbind();
- Texture::unbind_from(0);
- Clipping::unbind();
- Program::unbind();
- VertexSetup::unbind();
- Buffer::unbind_from(ELEMENT_ARRAY_BUFFER);
- WindingTest::unbind();
+void Renderer::draw_instanced(const Batch &batch, unsigned count)
+{
+ apply_state();
+ apply_batch(batch);
+ commands.draw_instanced(batch, count);
}
-void Renderer::exclude(const Renderable &renderable)
+void Renderer::apply_batch(const Batch &batch)
{
- excluded.insert(&renderable);
+ batch.refresh(frame_index);
+ PipelineState &ps = get_pipeline_state();
+ ps.set_primitive_type(batch.get_type());
+ if(batch.get_type()==PATCHES)
+ ps.set_patch_size(batch.get_patch_size());
+ commands.use_pipeline(&ps);
}
-void Renderer::include(const Renderable &renderable)
+void Renderer::dispatch(unsigned count_x, unsigned count_y, unsigned count_z)
{
- excluded.erase(&renderable);
+ apply_state();
+ PipelineState &ps = get_pipeline_state();
+ commands.use_pipeline(&ps);
+ commands.dispatch(count_x, count_y, count_z);
}
-void Renderer::render(const Renderable &renderable, const Tag &tag)
+void Renderer::resolve_multisample()
{
- if(!excluded.count(&renderable))
- renderable.render(*this, tag);
+ const State &state = get_state();
+
+ if(!state.framebuffer)
+ throw invalid_operation("Renderer::resolve_multisample");
+
+ apply_framebuffer();
+ commands.use_pipeline(&get_pipeline_state());
+ commands.resolve_multisample();
}
-void Renderer::draw(const Batch &batch)
+void Renderer::begin_query(const QueryPool &pool, unsigned index)
{
- apply_state();
+ commands.begin_query(pool, index);
+}
- batch.draw();
+void Renderer::end_query(const QueryPool &pool, unsigned index)
+{
+ commands.end_query(pool, index);
}
-void Renderer::draw_instanced(const Batch &batch, unsigned count)
+PipelineState &Renderer::get_pipeline_state()
{
- apply_state();
+ if(changed&PIPELINE_KEY)
+ {
+ RendererBackend::set_pipeline_key(current_state->pipeline_key);
+ changed &= ~PIPELINE_KEY;
+ }
- batch.draw_instanced(count);
+ 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()
{
- if(!state->shprog)
+ State &state = get_state();
+
+ if(!state.shprog)
throw invalid_operation("Renderer::apply_state");
- /* We (mostly) let the objects themselves figure out if the binding has
- changed */
+ apply_framebuffer();
- if(state->texturing)
- state->texturing->bind();
- else
- {
- Texturing::unbind();
- if(state->texture)
- {
- if(state->sampler)
- state->sampler->bind_to(0);
- else
- Sampler::unbind_from(0);
- state->texture->bind_to(0);
- }
- else
- Texture::unbind_from(0);
- }
+ PipelineState &ps = get_pipeline_state();
+ bool pipeline_changed = (&ps!=last_pipeline);
+ last_pipeline = &ps;
- if(state->clipping)
- state->clipping->bind();
- else
- Clipping::unbind();
+ bool shprog_changed = (state.shprog!=ps.get_shader_program());
+ ps.set_shader_program(state.shprog);
+
+ bool shdata_changed = changed&SHADER_DATA;
+ 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);
- bool shprog_changed = (state->shprog!=Program::current());
- state->shprog->bind();
+ if(changed&CAMERA)
+ {
+ shdata_changed = true;
+ changed &= ~CAMERA;
+ }
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_tag, state.model_matrix);
+ LinAl::Matrix<float, 3, 3> nm = state.model_matrix.block<3, 3>(0, 0);
nm = transpose(invert(nm));
- standard_shdata.uniform_matrix3("eye_obj_normal_matrix", &nm(0, 0));
- changed = (changed&~MATRIX)|STANDARD_SHDATA;
+ standard_shdata.uniform(world_obj_normal_matrix_tag, nm);
+ changed &= ~MATRIX;
+ shdata_changed = true;
}
- if(state->material && ((changed&MATERIAL_SHDATA) || shprog_changed))
+ if(shdata_changed || shprog_changed || pipeline_changed || extra_shdata)
{
- state->material->get_shader_data().apply();
- changed &= ~MATERIAL_SHDATA;
+ if(extra_shdata)
+ shdata_stack.erase(shdata_stack.begin()+state.shdata_count, shdata_stack.end());
+ standard_shdata.apply(*state.shprog, ps, frame_index);
+ if(state.camera)
+ state.camera->get_shader_data().apply(*state.shprog, ps, frame_index);
+ for(const BoundProgramData &d: shdata_stack)
+ {
+ d.shdata->apply(*state.shprog, ps, frame_index);
+ d.generation = d.shdata->get_generation();
+ }
+ changed &= ~SHADER_DATA;
}
- if((changed&STANDARD_SHDATA) || shprog_changed)
+ if(state.vertex_setup)
{
- standard_shdata.apply();
- changed &= ~STANDARD_SHDATA;
+ if(const VertexArray *array = state.vertex_setup->get_vertex_array())
+ array->refresh(frame_index);
+ if(const VertexArray *array = state.vertex_setup->get_instance_array())
+ array->refresh(frame_index);
}
+ ps.set_vertex_setup(state.vertex_setup);
- bool extra_shdata = (shdata_stack.size()>state->shdata_count);
+ ps.set_front_face(state.front_face);
+ ps.set_face_cull(state.face_cull);
- if((changed&SHADER_DATA) || 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();
- changed &= ~SHADER_DATA;
- }
+ if(state.texture_count<texture_stack.size())
+ flush_resources(texture_stack, state.texture_count);
- if(state->vertex_setup)
- state->vertex_setup->bind();
- else
- VertexSetup::unbind();
+ for(const BoundResource<SampledTexture> &t: texture_stack)
+ if(t.resource.texture && t.replaced<0)
+ {
+ if(t.binding<0 || shprog_changed)
+ t.binding = state.shprog->get_uniform_binding(t.tag);
+ if(t.binding>=0)
+ {
+ if(t.resource.sampler)
+ ps.set_texture(t.binding, t.resource.texture, t.resource.level, t.resource.sampler);
+ else
+ ps.set_storage_texture(t.binding, t.resource.texture);
+ }
+ }
- if(state->winding_test)
- {
- if(state->reverse_winding)
- state->winding_test->get_reverse().bind();
- else
- state->winding_test->bind();
- }
- else
- WindingTest::unbind();
-}
-
-
-Renderer::State::State():
- camera(0),
- texture(0),
- texturing(0),
- lowest_effect_texunit(TexUnit::get_n_units()),
- material(0),
- lighting(0),
- clipping(0),
- shprog(0),
- shdata_count(0),
- vertex_setup(0),
- winding_test(0),
- reverse_winding(false),
- object_lod_bias(0)
+ 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);
+}
+
+
+Renderer::BoundProgramData::BoundProgramData(const ProgramData *d):
+ shdata(d)
{ }
} // namespace GL
projects / libs / gl.git / blobdiff