#include "batch.h"
#include "buffer.h"
#include "camera.h"
-#include "clipping.h"
-#include "deviceinfo.h"
#include "error.h"
+#include "framebuffer.h"
#include "lighting.h"
#include "material.h"
#include "program.h"
#include "renderable.h"
#include "renderer.h"
#include "resourcemanager.h"
+#include "resources.h"
#include "sampler.h"
#include "texture.h"
#include "vertexarray.h"
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():
- changed(0)
+ placeholder_texture(Resources::get_global().get<Texture>("_placeholder.png")),
+ default_sampler(Resources::get_global().get<Sampler>("_linear_clamp.samp"))
{
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);
+ texture_stack.reserve(32);
}
-Renderer::~Renderer()
+void Renderer::begin()
{
- end();
-}
+ if(current_state)
+ throw invalid_operation("Renderer::begin");
-void Renderer::set_camera(const Camera &c)
-{
- state->camera = &c;
- add_shader_data(c.get_shader_data());
- set_matrix(Matrix());
-}
+ ++frame_index;
+ state_stack.emplace_back();
+ current_state = &state_stack.back();
-void Renderer::set_matrix(const Matrix &matrix)
-{
- state->model_matrix = matrix;
- changed |= MATRIX;
+ RendererBackend::begin();
+
+ commands.begin_frame(frame_index);
}
-void Renderer::transform(const Matrix &matrix)
+void Renderer::end()
{
- state->model_matrix *= matrix;
- changed |= MATRIX;
+ if(!current_state || state_stack.size()>1)
+ throw invalid_operation("Renderer::end");
+
+ RendererBackend::end();
+
+ current_state = 0;
+ state_stack.clear();
+ texture_stack.clear();
+ shdata_stack.clear();
}
-void Renderer::set_framebuffer(const Framebuffer *f)
+void Renderer::push_state()
{
- state->framebuffer = f;
+ 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_viewport(const Rect *v)
+void Renderer::pop_state()
{
- state->viewport = v;
+ 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_scissor(const Rect *s)
+Renderer::State &Renderer::get_state() const
{
- state->scissor = s;
+#ifdef DEBUG
+ if(!current_state)
+ throw invalid_operation("Renderer::get_state");
+#endif
+ return *current_state;
}
-void Renderer::set_texture(Tag tag, const Texture *tex, const Sampler *samp)
+void Renderer::set_pipeline_key(uintptr_t key)
{
- if(tex)
- if(ResourceManager *res_mgr = tex->get_manager())
- res_mgr->resource_used(*tex);
-
- if(texture_stack.size()>state->texture_count)
+ State &state = get_state();
+ if(key!=state.pipeline_key)
{
- BoundTexture &bt = texture_stack[state->texture_count];
- if(bt.tag==tag && bt.texture==tex && bt.sampler==samp)
- {
- ++state->texture_count;
- return;
- }
- else
- flush_textures();
+ state.pipeline_key = key;
+ changed |= PIPELINE_KEY;
}
-
- for(auto i=texture_stack.end(); i!=texture_stack.begin(); )
- if((--i)->tag==tag)
- {
- i->replaced = texture_stack.size();
- break;
- }
-
- texture_stack.push_back(BoundTexture());
- BoundTexture &bound_tex = texture_stack.back();
- bound_tex.tag = tag;
- bound_tex.texture = tex;
- bound_tex.sampler = samp;
- state->texture_count = texture_stack.size();
}
-void Renderer::flush_textures()
+void Renderer::set_camera(const Camera &c)
{
- 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;
+ get_state().camera = &c;
+ set_matrix(Matrix());
+}
- texture_stack.erase(texture_stack.begin()+state->texture_count, texture_stack.end());
+void Renderer::set_matrix(const Matrix &matrix)
+{
+ get_state().model_matrix = matrix;
+ changed |= MATRIX;
}
-void Renderer::set_material(const Material *m)
+void Renderer::set_framebuffer(const Framebuffer *f)
{
- if(m)
- add_shader_data(m->get_shader_data());
+ get_state().framebuffer = f;
}
-void Renderer::set_lighting(const Lighting *l)
+void Renderer::set_viewport(const Rect *v)
{
- if(l)
- add_shader_data(l->get_shader_data());
+ get_state().viewport = v;
}
-void Renderer::set_clipping(const Clipping *c)
+void Renderer::set_scissor(const Rect *s)
{
- state->clipping = c;
- if(c)
- add_shader_data(c->get_shader_data());
+ get_state().scissor = s;
}
void Renderer::set_shader_program(const Program *p, const ProgramData *d)
{
- state->shprog = p;
+ get_state().shprog = p;
if(p && d)
add_shader_data(*d);
}
void Renderer::add_shader_data(const ProgramData &d)
{
- if(state->shdata_count<shdata_stack.size())
+ State &state = get_state();
+
+ if(state.shdata_count<shdata_stack.size())
{
const BoundProgramData &top = shdata_stack.back();
if(top.shdata==&d && top.generation==d.get_generation())
{
- ++state->shdata_count;
+ ++state.shdata_count;
return;
}
}
- flush_shader_data_();
+ flush_shader_data();
shdata_stack.push_back(&d);
- state->shdata_count = shdata_stack.size();
+ state.shdata_count = shdata_stack.size();
changed |= SHADER_DATA;
}
-void Renderer::flush_shader_data_()
+void Renderer::set_texture(Tag tag, const Texture *tex, const Sampler *samp)
{
- if(shdata_stack.size()>state->shdata_count)
- shdata_stack.erase(shdata_stack.begin()+state->shdata_count, shdata_stack.end());
+ set_texture(tag, tex, -1, samp);
}
-void Renderer::set_vertex_setup(const VertexSetup *vs)
+void Renderer::set_texture(Tag tag, const Texture *tex, int level, const Sampler *samp)
{
- state->vertex_setup = vs;
-}
+ State &state = get_state();
-void Renderer::set_front_face(FaceWinding winding)
-{
- state->front_face = winding;
+ if(tex)
+ {
+ 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_face_cull(CullMode cull)
+void Renderer::set_storage_texture(Tag tag, const Texture *tex)
{
- state->face_cull = cull;
+ State &state = get_state();
+ set_resource(texture_stack, state.texture_count, tag, { tex, 0, 0 });
}
-void Renderer::set_depth_test(const DepthTest *dt)
+template<typename T>
+void Renderer::set_resource(vector<BoundResource<T>> &stack, unsigned &count, Tag tag, const T &res)
{
- state->depth_test = dt;
+ if(stack.size()>count)
+ {
+ 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::set_stencil_test(const StencilTest *st)
+void Renderer::flush_shader_data()
{
- state->stencil_test = st;
+ const State &state = get_state();
+
+ if(shdata_stack.size()>state.shdata_count)
+ shdata_stack.erase(shdata_stack.begin()+state.shdata_count, shdata_stack.end());
}
-void Renderer::set_blend(const Blend *b)
+template<typename T>
+void Renderer::flush_resources(vector<BoundResource<T>> &stack, unsigned &count)
{
- state->blend = b;
+ 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_object_lod_bias(unsigned b)
+void Renderer::set_vertex_setup(const VertexSetup *vs)
{
- state->object_lod_bias = b;
+ get_state().vertex_setup = vs;
}
-void Renderer::push_state()
+void Renderer::set_front_face(FaceWinding winding)
{
- state_stack.push_back(state_stack.back());
- state = &state_stack.back();
+ get_state().front_face = winding;
}
-void Renderer::pop_state()
+void Renderer::set_face_cull(CullMode cull)
{
- if(state_stack.size()==1)
- throw stack_underflow("Renderer::pop_state");
-
- state_stack.pop_back();
- state = &state_stack.back();
- changed |= MATRIX;
+ get_state().face_cull = cull;
}
-void Renderer::end()
+void Renderer::set_depth_test(const DepthTest *dt)
{
- if(state_stack.size()>1)
- throw invalid_operation("Renderer::end");
-
- *state = State();
- shdata_stack.clear();
- add_shader_data(standard_shdata);
- excluded.clear();
-
- PipelineState::clear();
+ get_state().depth_test = dt;
}
-void Renderer::exclude(const Renderable &renderable)
+void Renderer::set_stencil_test(const StencilTest *st)
{
- excluded.insert(&renderable);
+ get_state().stencil_test = st;
}
-void Renderer::include(const Renderable &renderable)
+void Renderer::set_blend(const Blend *b)
{
- excluded.erase(&renderable);
+ get_state().blend = b;
}
-void Renderer::render(const Renderable &renderable, Tag tag)
+void Renderer::set_object_lod_bias(unsigned b)
{
- if(!excluded.count(&renderable))
- renderable.render(*this, tag);
+ get_state().object_lod_bias = b;
}
void Renderer::clear(const ClearValue *values)
{
- pipeline_state.set_framebuffer(state->framebuffer);
+ apply_framebuffer();
+ commands.use_pipeline(&get_pipeline_state());
commands.clear(values);
}
void Renderer::draw(const Batch &batch)
{
apply_state();
- batch.refresh();
+ apply_batch(batch);
commands.draw(batch);
}
void Renderer::draw_instanced(const Batch &batch, unsigned count)
{
apply_state();
- batch.refresh();
+ apply_batch(batch);
commands.draw_instanced(batch, count);
}
-void Renderer::resolve_multisample(Framebuffer &target, BufferBits buffers)
+void Renderer::apply_batch(const Batch &batch)
{
- if(!state->framebuffer)
+ 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::dispatch(unsigned count_x, unsigned count_y, unsigned count_z)
+{
+ apply_state();
+ PipelineState &ps = get_pipeline_state();
+ commands.use_pipeline(&ps);
+ commands.dispatch(count_x, count_y, count_z);
+}
+
+void Renderer::resolve_multisample()
+{
+ const State &state = get_state();
+
+ if(!state.framebuffer)
throw invalid_operation("Renderer::resolve_multisample");
- 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");
+ apply_framebuffer();
+ commands.use_pipeline(&get_pipeline_state());
+ commands.resolve_multisample();
+}
- pipeline_state.set_framebuffer(state->framebuffer);
- commands.resolve_multisample(target, buffers);
+void Renderer::begin_query(const QueryPool &pool, unsigned index)
+{
+ commands.begin_query(pool, index);
}
-void Renderer::apply_state()
+void Renderer::end_query(const QueryPool &pool, unsigned index)
{
- if(!state->shprog)
- throw invalid_operation("Renderer::apply_state");
+ commands.end_query(pool, index);
+}
- if(changed&MATRIX)
+PipelineState &Renderer::get_pipeline_state()
+{
+ if(changed&PIPELINE_KEY)
{
- 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;
+ RendererBackend::set_pipeline_key(current_state->pipeline_key);
+ changed &= ~PIPELINE_KEY;
}
- pipeline_state.set_framebuffer(state->framebuffer);
- pipeline_state.set_viewport(state->viewport);
- pipeline_state.set_scissor(state->scissor);
+ return RendererBackend::get_pipeline_state();
+}
- bool shprog_changed = (state->shprog!=pipeline_state.get_shader_program());
- pipeline_state.set_shader_program(state->shprog);
+void Renderer::apply_framebuffer()
+{
+ const State &state = get_state();
- if(state->vertex_setup)
- {
- 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);
+ PipelineState &ps = get_pipeline_state();
- 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);
+ 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);
+}
- if(state->texture_count<texture_stack.size())
- flush_textures();
+void Renderer::apply_state()
+{
+ State &state = get_state();
- for(const BoundTexture &t: texture_stack)
- {
- 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);
- }
+ if(!state.shprog)
+ throw invalid_operation("Renderer::apply_state");
+
+ apply_framebuffer();
+
+ PipelineState &ps = get_pipeline_state();
+ bool pipeline_changed = (&ps!=last_pipeline);
+ last_pipeline = &ps;
+
+ 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 extra_shdata = (shdata_stack.size()>state.shdata_count);
- if(shdata_changed || shprog_changed || extra_shdata)
+ if(changed&CAMERA)
+ {
+ shdata_changed = true;
+ changed &= ~CAMERA;
+ }
+
+ if(changed&MATRIX)
+ {
+ 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(world_obj_normal_matrix_tag, nm);
+ changed &= ~MATRIX;
+ shdata_changed = true;
+ }
+
+ if(shdata_changed || shprog_changed || pipeline_changed || extra_shdata)
{
if(extra_shdata)
- shdata_stack.erase(shdata_stack.begin()+state->shdata_count, shdata_stack.end());
+ 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, pipeline_state);
+ d.shdata->apply(*state.shprog, ps, frame_index);
d.generation = d.shdata->get_generation();
}
changed &= ~SHADER_DATA;
}
- pipeline_state.set_depth_test(state->depth_test);
- pipeline_state.set_stencil_test(state->stencil_test);
- pipeline_state.set_blend(state->blend);
-}
+ if(state.vertex_setup)
+ {
+ 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);
+ ps.set_front_face(state.front_face);
+ ps.set_face_cull(state.face_cull);
-Renderer::BoundTexture::BoundTexture():
- unit(-1),
- texture(0),
- sampler(0),
- replaced(-1)
-{ }
+ if(state.texture_count<texture_stack.size())
+ flush_resources(texture_stack, state.texture_count);
+ 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);
+ }
+ }
-Renderer::BoundProgramData::BoundProgramData(const ProgramData *d):
- shdata(d),
- generation(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::State::State():
- camera(0),
- framebuffer(0),
- viewport(0),
- scissor(0),
- texture_count(0),
- clipping(0),
- shprog(0),
- shdata_count(0),
- vertex_setup(0),
- front_face(NON_MANIFOLD),
- face_cull(NO_CULL),
- depth_test(0),
- stencil_test(0),
- blend(0),
- object_lod_bias(0)
+Renderer::BoundProgramData::BoundProgramData(const ProgramData *d):
+ shdata(d)
{ }
} // namespace GL
projects / libs / gl.git / blobdiff