#include "buffer.h"
#include "camera.h"
#include "clipping.h"
+#include "deviceinfo.h"
#include "error.h"
#include "lighting.h"
#include "material.h"
state_stack.push_back(State());
shdata_stack.reserve(32);
state = &state_stack.back();
-
- standard_shdata.uniform("projection_matrix", Matrix());
- standard_shdata.uniform("eye_world_matrix", Matrix());
}
Renderer::~Renderer()
void Renderer::set_camera(const Camera &c)
{
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());
+ changed |= CAMERA_SHDATA;
+ set_matrix(Matrix());
}
void Renderer::set_matrix(const Matrix &matrix)
{
- state->modelview_matrix = matrix;
+ state->model_matrix = matrix;
changed |= MATRIX;
}
void Renderer::transform(const Matrix &matrix)
{
- state->modelview_matrix *= matrix;
+ state->model_matrix *= matrix;
changed |= MATRIX;
}
+void Renderer::set_texture(Tag tag, const Texture *tex, const Sampler *samp)
+{
+ set_texture(tag, -1, tex, samp);
+}
+
+void Renderer::set_texture(Tag tag, int unit, const Texture *tex, const Sampler *samp)
+{
+ 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)
+ {
+ ++state->texture_count;
+ return;
+ }
+ else
+ flush_textures();
+ }
+
+ for(vector<BoundTexture>::iterator i=texture_stack.end(); i!=texture_stack.begin(); )
+ if((--i)->tag==tag && i->unit==unit)
+ {
+ i->replaced = texture_stack.size();
+ break;
+ }
+
+ 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)
{
- state->texture = t;
- state->sampler = s;
- state->texturing = 0;
+ 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;
+ }
+
+ 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)
{
- state->texturing = t;
- state->texture = 0;
- state->sampler = 0;
+ 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()
{
void Renderer::set_material(const Material *m)
{
- state->material = m;
- changed |= MATERIAL_SHDATA;
+ if(m)
+ add_shader_data(m->get_shader_data());
}
void Renderer::set_lighting(const Lighting *l)
{
- state->lighting = l;
- state->lighting_matrix = state->modelview_matrix;
if(l)
- {
- l->update_shader_data(standard_shdata, state->lighting_matrix);
- changed |= STANDARD_SHDATA;
- }
+ add_shader_data(l->get_shader_data());
}
void Renderer::set_clipping(const Clipping *c)
{
state->clipping = c;
- state->clipping_matrix = state->modelview_matrix;
- if(c)
- {
- c->update_shader_data(standard_shdata, state->clipping_matrix);
- changed |= STANDARD_SHDATA;
- }
+ changed |= CLIPPING_SHDATA;
}
void Renderer::set_shader_program(const Program *p, const ProgramData *d)
void Renderer::add_shader_data(const ProgramData &d)
{
- if(state->shdata_count<shdata_stack.size() && shdata_stack[state->shdata_count]==&d)
- ++state->shdata_count;
- else
+ if(state->shdata_count<shdata_stack.size())
{
- flush_shader_data();
- shdata_stack.push_back(&d);
- state->shdata_count = shdata_stack.size();
- changed |= SHADER_DATA;
+ 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::flush_shader_data()
+void Renderer::flush_shader_data_()
{
if(shdata_stack.size()>state->shdata_count)
shdata_stack.erase(shdata_stack.begin()+state->shdata_count, shdata_stack.end());
throw stack_underflow("Renderer::pop_state");
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;
- }
- }
+ changed |= CAMERA_SHDATA;
+ if(state->clipping!=old_clipping)
+ changed |= CLIPPING_SHDATA;
}
void Renderer::end()
*state = State();
if(default_camera)
set_camera(*default_camera);
- else
- standard_shdata.uniform("projection_matrix", Matrix());
shdata_stack.clear();
excluded.clear();
- Texturing::unbind();
- Texture::unbind_from(0);
+ 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();
/* We (mostly) let the objects themselves figure out if the binding has
changed */
- if(state->texturing)
- state->texturing->bind();
- else
+ if(state->texture_count<texture_stack.size())
+ flush_textures();
+
+ for(vector<BoundTexture>::const_iterator i=texture_stack.begin(); i!=texture_stack.end(); ++i)
{
- Texturing::unbind();
- if(state->texture)
+ int unit = (i->tag.id ? state->shprog->get_uniform_binding(i->tag) : i->unit);
+ if(unit>=0)
{
- if(state->sampler)
- state->sampler->bind_to(0);
- else
- Sampler::unbind_from(0);
- state->texture->bind_to(0);
+ if(i->texture)
+ i->texture->bind_to(unit);
+ if(i->sampler)
+ i->sampler->bind_to(unit);
+ i->unit = unit;
}
- else
- Texture::unbind_from(0);
}
if(state->clipping)
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", state->model_matrix);
+ LinAl::SquareMatrix<float, 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));
+ standard_shdata.uniform("world_obj_normal_matrix", nm);
changed = (changed&~MATRIX)|STANDARD_SHDATA;
}
- if(state->material && ((changed&MATERIAL_SHDATA) || shprog_changed))
+ if(state->camera && ((changed&CAMERA_SHDATA) || shprog_changed))
{
- state->material->get_shader_data().apply();
- changed &= ~MATERIAL_SHDATA;
+ state->camera->get_shader_data().apply();
+ changed &= ~CAMERA_SHDATA;
+ }
+
+ if(state->clipping && ((changed&CLIPPING_SHDATA) || shprog_changed))
+ {
+ state->clipping->get_shader_data().apply();
+ changed &= ~CLIPPING_SHDATA;
}
if((changed&STANDARD_SHDATA) || shprog_changed)
changed &= ~STANDARD_SHDATA;
}
+ 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);
bool extra_shdata = (shdata_stack.size()>state->shdata_count);
- if((changed&SHADER_DATA) || shprog_changed || extra_shdata)
+ if(shdata_changed || 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();
+ for(vector<BoundProgramData>::const_iterator i=shdata_stack.begin(); i!=shdata_stack.end(); ++i)
+ {
+ i->shdata->apply();
+ i->generation = i->shdata->get_generation();
+ }
changed &= ~SHADER_DATA;
}
}
+Renderer::BoundTexture::BoundTexture():
+ unit(-1),
+ texture(0),
+ sampler(0),
+ replaced(-1)
+{ }
+
+
+Renderer::BoundProgramData::BoundProgramData(const ProgramData *d):
+ shdata(d),
+ generation(0)
+{ }
+
+
Renderer::State::State():
camera(0),
- texture(0),
- texturing(0),
- lowest_effect_texunit(TexUnit::get_n_units()),
- material(0),
- lighting(0),
+ texture_count(0),
+ lowest_effect_texunit(Limits::get_global().max_texture_bindings),
clipping(0),
shprog(0),
shdata_count(0),
projects / libs / gl.git / blobdiff