+#include <msp/gl/extensions/arb_direct_state_access.h>
+#include <msp/gl/extensions/ext_framebuffer_blit.h>
+#include <msp/gl/extensions/ext_framebuffer_object.h>
#include "batch.h"
#include "buffer.h"
#include "camera.h"
#include "programdata.h"
#include "renderable.h"
#include "renderer.h"
+#include "resourcemanager.h"
#include "sampler.h"
#include "texture.h"
-#include "texunit.h"
#include "vertexarray.h"
#include "vertexsetup.h"
-#include "windingtest.h"
using namespace std;
changed |= MATRIX;
}
+void Renderer::set_framebuffer(const Framebuffer *f)
+{
+ state->framebuffer = f;
+}
+
+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];
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());
}
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)
*state = State();
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)
renderable.render(*this, tag);
}
+void Renderer::clear()
+{
+ clear(COLOR_BUFFER_BIT|DEPTH_BUFFER_BIT|STENCIL_BUFFER_BIT);
+}
+
+void Renderer::clear(BufferBits buffers)
+{
+ pipeline_state.set_framebuffer(state->framebuffer);
+ pipeline_state.apply();
+ glClear(buffers);
+}
+
void Renderer::draw(const Batch &batch)
{
apply_state();
batch.draw_instanced(count);
}
-void Renderer::apply_state()
+void Renderer::resolve_multisample(Framebuffer &target, BufferBits buffers)
{
- if(!state->shprog)
- throw invalid_operation("Renderer::apply_state");
+ if(!state->framebuffer)
+ throw invalid_operation("Renderer::resolve_multisample");
- /* We (mostly) let the objects themselves figure out if the binding has
- changed */
-
- if(state->texture_count<texture_stack.size())
- flush_textures();
+ 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");
- for(vector<BoundTexture>::const_iterator i=texture_stack.begin(); i!=texture_stack.end(); ++i)
+ if(ARB_direct_state_access)
+ glBlitNamedFramebuffer(state->framebuffer->get_id(), target.get_id(), 0, 0, width, height, 0, 0, width, height, buffers, GL_NEAREST);
+ else
{
- int unit = state->shprog->get_uniform_binding(i->tag);
- if(unit>=0)
- {
- if(i->texture)
- i->texture->bind_to(unit);
- if(i->sampler)
- i->sampler->bind_to(unit);
- i->unit = unit;
- }
- }
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, state->framebuffer->get_id());
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, target.get_id());
- if(state->clipping)
- state->clipping->bind();
- else
- Clipping::unbind();
+ target.refresh();
- bool shprog_changed = (state->shprog!=Program::current());
- state->shprog->bind();
+ glBlitFramebuffer(0, 0, width, height, 0, 0, width, height, buffers, GL_NEAREST);
+
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ pipeline_state.set_framebuffer(0);
+ }
+}
+
+void Renderer::apply_state()
+{
+ if(!state->shprog)
+ throw invalid_operation("Renderer::apply_state");
if(changed&MATRIX)
{
changed &= ~MATRIX;
}
+ 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);
+
+ 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);
+
+ 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();
+
+ 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)
+ 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);
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)
{
- i->shdata->apply();
+ 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();
}
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)
{ }