#include <algorithm>
#include <cmath>
+#include <msp/strings/format.h>
#include "environmentmap.h"
#include "mesh.h"
#include "renderer.h"
namespace Msp {
namespace GL {
-EnvironmentMap::EnvironmentMap(unsigned s, Renderable &r, Renderable &e):
- Effect(r),
- environment(e),
- irradiance_shprog(Resources::get_global().get<Program>("_envmap_irradiance.glsl.shader")),
- specular_shprog(Resources::get_global().get<Program>("_envmap_specular.glsl.shader")),
- fullscreen_mesh(Resources::get_global().get<Mesh>("_fullscreen_quad.mesh")),
- sampler(Resources::get_global().get<Sampler>("_linear_clamp.samp")),
- mip_sampler(Resources::get_global().get<Sampler>("_mip_clamp.samp"))
-{
- init(s, RGB8, 1);
-}
-
EnvironmentMap::EnvironmentMap(unsigned s, PixelFormat f, Renderable &r, Renderable &e):
- Effect(r),
- environment(e),
- irradiance_shprog(Resources::get_global().get<Program>("_envmap_irradiance.glsl.shader")),
- specular_shprog(Resources::get_global().get<Program>("_envmap_specular.glsl.shader")),
- fullscreen_mesh(Resources::get_global().get<Mesh>("_fullscreen_quad.mesh")),
- sampler(Resources::get_global().get<Sampler>("_linear_clamp.samp")),
- mip_sampler(Resources::get_global().get<Sampler>("_mip_clamp.samp"))
-{
- init(s, f, 1);
-}
+ EnvironmentMap(s, f, 1, r, e)
+{ }
EnvironmentMap::EnvironmentMap(unsigned s, PixelFormat f, unsigned l, Renderable &r, Renderable &e):
Effect(r),
+ size(s),
environment(e),
irradiance_shprog(Resources::get_global().get<Program>("_envmap_irradiance.glsl.shader")),
specular_shprog(Resources::get_global().get<Program>("_envmap_specular.glsl.shader")),
fullscreen_mesh(Resources::get_global().get<Mesh>("_fullscreen_quad.mesh")),
sampler(Resources::get_global().get<Sampler>("_linear_clamp.samp")),
mip_sampler(Resources::get_global().get<Sampler>("_mip_clamp.samp"))
-{
- init(s, f, l);
-}
-
-void EnvironmentMap::init(unsigned s, PixelFormat f, unsigned l)
{
if(!l || (1U<<(l-1))>=s)
throw invalid_argument("EnvironmentMap::EnvironmentMap");
- size = s;
- rendered = false;
- update_interval = 1;
- update_delay = 0;
-
env_tex.storage(f, size, l);
- depth_buf.storage(DEPTH_COMPONENT32F, size, size);
+ depth_buf.storage(DEPTH_COMPONENT32F, size, size, 1);
for(unsigned i=0; i<6; ++i)
{
- TextureCubeFace face = TextureCube::enumerate_faces(i);
- faces[i].fbo.attach(COLOR_ATTACHMENT0, env_tex, face, 0);
+ TextureCubeFace face = static_cast<TextureCubeFace>(i);
+ faces[i].fbo.set_format((COLOR_ATTACHMENT,f, DEPTH_ATTACHMENT,DEPTH_COMPONENT32F));
+ faces[i].fbo.attach(COLOR_ATTACHMENT, env_tex, face, 0);
faces[i].fbo.attach(DEPTH_ATTACHMENT, depth_buf);
- faces[i].fbo.require_complete();
faces[i].camera.set_look_direction(TextureCube::get_face_direction(face));
faces[i].camera.set_up_direction(TextureCube::get_t_direction(face));
faces[i].camera.set_field_of_view(Geometry::Angle<float>::right());
}
irradiance.storage(f, size/4, 1);
- irradiance_fbo.attach_layered(COLOR_ATTACHMENT0, irradiance);
+ irradiance_fbo.set_format((COLOR_ATTACHMENT,f));
+ irradiance_fbo.attach_layered(COLOR_ATTACHMENT, irradiance);
if(l>1)
{
specular_fbos.resize(l-1);
for(unsigned i=1; i<l; ++i)
- specular_fbos[i-1].attach_layered(COLOR_ATTACHMENT0, env_tex, i);
+ {
+ specular_fbos[i-1].set_format((COLOR_ATTACHMENT,f));
+ specular_fbos[i-1].attach_layered(COLOR_ATTACHMENT, env_tex, i);
+ }
LinAl::Matrix<float, 3, 3> face_matrices[6];
for(unsigned i=0; i<6; ++i)
{
- GL::TextureCubeFace face = GL::TextureCube::enumerate_faces(i);
+ GL::TextureCubeFace face = static_cast<TextureCubeFace>(i);
GL::Vector3 columns[3];
columns[0] = GL::TextureCube::get_s_direction(face);
columns[1] = GL::TextureCube::get_t_direction(face);
shdata.uniform("env_world_matrix", LinAl::SquareMatrix<float, 3>::identity());
}
+void EnvironmentMap::set_fixed_position(const Vector3 &p)
+{
+ fixed_position = p;
+ use_fixed_pos = true;
+}
+
void EnvironmentMap::set_depth_clip(float n, float f)
{
for(unsigned i=0; i<6; ++i)
update_delay = update_interval-1;
environment.setup_frame(renderer);
- const Matrix *matrix = renderable.get_matrix();
- if(!matrix)
- return;
+ Vector3 center;
+ if(use_fixed_pos)
+ center = fixed_position;
+ else
+ {
+ const Matrix *matrix = renderable.get_matrix();
+ if(!matrix)
+ return;
+
+ center = matrix->column(3).slice<3>(0);
+ }
Renderer::Push push(renderer);
Renderer::Exclude exclude1(renderer, renderable);
Renderer::Exclude exclude2(renderer, *this);
- Vector3 center = matrix->column(3).slice<3>(0);
-
- BindRestore bind_fbo(faces[0].fbo);
for(unsigned i=0; i<6; ++i)
{
faces[i].camera.set_position(center);
- faces[i].fbo.bind();
- faces[i].fbo.clear();
+ renderer.set_framebuffer(&faces[i].fbo);
renderer.set_camera(faces[i].camera);
renderer.render(environment);
}
- irradiance_fbo.bind();
+ renderer.set_framebuffer(&irradiance_fbo);
renderer.set_shader_program(&irradiance_shprog, &prefilter_shdata);
renderer.set_texture("environment_map", &env_tex, &sampler);
fullscreen_mesh.draw(renderer);
for(unsigned i=0; i<specular_fbos.size(); ++i)
{
prefilter_shdata.uniform("roughness", 1.0f-sqrt(1.0f-static_cast<float>(i+1)/specular_fbos.size()));
- specular_fbos[i].bind();
+ renderer.set_framebuffer(&specular_fbos[i]);
fullscreen_mesh.draw(renderer);
}
}
void EnvironmentMap::set_debug_name(const string &name)
{
#ifdef DEBUG
- env_tex.set_debug_name(name+"/environment.texcb");
+ env_tex.set_debug_name(name+"/environment.tex");
depth_buf.set_debug_name(name+"/environment_depth.rbuf");
- static const char *face_names[] = { "X+", "X-", "Y+", "Y-", "Z+", "Z-" };
+ static const char *const face_names[] = { "X+", "X-", "Y+", "Y-", "Z+", "Z-" };
for(unsigned i=0; i<6; ++i)
{
faces[i].fbo.set_debug_name(format("%s [FBO:%s]", name, face_names[i]));
faces[i].camera.set_debug_name(format("%s/%s.camera", name, face_names[i]));
}
- irradiance.set_debug_name(name+"/irradiance.texcb");
+ irradiance.set_debug_name(name+"/irradiance.tex");
irradiance_fbo.set_debug_name(name+" [FBO:irradiance]");
for(unsigned i=0; i<specular_fbos.size(); ++i)
specular_fbos[i].set_debug_name(format("%s [FBO:specular_mip%d]", name, i+1));
projects / libs / gl.git / blobdiff