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Many updates to real-time renderers #1040

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merged 10 commits into from
Aug 23, 2020
Merged

Many updates to real-time renderers #1040

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e509644
update yocto_gui
giacomonazzaro Aug 15, 2020
6378347
Merge branch 'master' of https://github.com/xelatihy/yocto-gl into yo…
giacomonazzaro Aug 15, 2020
0fb79ef
Merge branch 'master' of https://github.com/xelatihy/yocto-gl into yo…
giacomonazzaro Aug 15, 2020
6738247
Merge branch 'master' of https://github.com/xelatihy/yocto-gl into yo…
giacomonazzaro Aug 16, 2020
85284ed
Merge branch 'master' of https://github.com/xelatihy/yocto-gl into yo…
giacomonazzaro Aug 18, 2020
fe8a8bd
Merge branch 'master' of https://github.com/xelatihy/yocto-gl into yo…
giacomonazzaro Aug 20, 2020
bb9d5e2
Merge https://github.com/xelatihy/yocto-gl into yocto-master
giacomonazzaro Aug 22, 2020
c7c8e1f
many updates to real-time renderers
giacomonazzaro Aug 22, 2020
0001243
update
giacomonazzaro Aug 22, 2020
49292b5
Merge branch 'master' of https://github.com/xelatihy/yocto-gl into PR…
giacomonazzaro Aug 23, 2020
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66 changes: 14 additions & 52 deletions apps/ysceneview/ysceneview.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -129,36 +129,6 @@ void load_scene_async(
if (!apps->selected) apps->selected = app;
}

void update_lights(gui_scene* glscene, sceneio_scene* ioscene) {
clear_lights(glscene);
for (auto ioobject : ioscene->instances) {
if (has_max_lights(glscene)) break;
if (ioobject->material->emission == zero3f) continue;
auto ioshape = ioobject->shape;
auto bbox = invalidb3f;
for (auto p : ioshape->positions) bbox = merge(bbox, p);
auto pos = (bbox.max + bbox.min) / 2;
auto area = 0.0f;
if (!ioshape->triangles.empty()) {
for (auto t : ioshape->triangles)
area += triangle_area(ioshape->positions[t.x], ioshape->positions[t.y],
ioshape->positions[t.z]);
} else if (!ioshape->quads.empty()) {
for (auto q : ioshape->quads)
area += quad_area(ioshape->positions[q.x], ioshape->positions[q.y],
ioshape->positions[q.z], ioshape->positions[q.w]);
} else if (!ioshape->lines.empty()) {
for (auto l : ioshape->lines)
area += line_length(ioshape->positions[l.x], ioshape->positions[l.y]);
} else {
area += ioshape->positions.size();
}
auto ke = ioobject->material->emission * area;
set_light(add_light(glscene), transform_point(ioobject->frame, pos), ke,
ogl_light_type::point, false);
}
}

void init_glscene(gui_scene* glscene, sceneio_scene* ioscene,
gui_camera*& glcamera, sceneio_camera* iocamera,
progress_callback progress_cb) {
Expand All @@ -184,7 +154,7 @@ void init_glscene(gui_scene* glscene, sceneio_scene* ioscene,
}

// textures
auto texture_map = unordered_map<sceneio_texture*, ogl_texture*>{};
auto texture_map = unordered_map<sceneio_texture*, gui_texture*>{};
texture_map[nullptr] = nullptr;
for (auto iotexture : ioscene->textures) {
if (progress_cb) progress_cb("convert texture", progress.x++, progress.y);
Expand Down Expand Up @@ -222,36 +192,30 @@ void init_glscene(gui_scene* glscene, sceneio_scene* ioscene,
}

// shapes
auto shape_map = unordered_map<sceneio_shape*, ogl_shape*>{};
auto shape_map = unordered_map<sceneio_shape*, gui_shape*>{};
shape_map[nullptr] = nullptr;
for (auto ioshape : ioscene->shapes) {
if (progress_cb) progress_cb("convert shape", progress.x++, progress.y);
auto glshape = add_shape(glscene);
set_positions(glshape, ioshape->positions);
set_normals(glshape, ioshape->normals);
set_texcoords(glshape, ioshape->texcoords);
set_colors(glshape, ioshape->colors);
set_points(glshape, ioshape->points);
set_lines(glshape, ioshape->lines);
set_triangles(glshape, ioshape->triangles);
set_quads(glshape, ioshape->quads);
set_edges(glshape, ioshape->triangles, ioshape->quads);
auto glshape = add_shape(glscene, ioshape->points, ioshape->lines,
ioshape->triangles, ioshape->quads, ioshape->positions,
ioshape->normals, ioshape->texcoords, ioshape->colors);
shape_map[ioshape] = glshape;
}

// shapes
for (auto ioinstance : ioscene->instances) {
if (progress_cb) progress_cb("convert instance", progress.x++, progress.y);
auto globject = add_instance(glscene);
set_frame(globject, ioinstance->frame);
set_shape(globject, shape_map.at(ioinstance->shape));
set_material(globject, material_map.at(ioinstance->material));
auto instance = add_instance(glscene);
set_frame(instance, ioinstance->frame);
set_shape(instance, shape_map.at(ioinstance->shape));
set_material(instance, material_map.at(ioinstance->material));
}

// bake prefiltered environments
if (ioscene->environments.size()) {
ibl::init_ibl_data(
glscene, texture_map[ioscene->environments[0]->emission_tex]);
auto environment = ioscene->environments[0];
init_ibl_data(
glscene, texture_map[environment->emission_tex], environment->emission);
}

// done
Expand Down Expand Up @@ -460,7 +424,8 @@ void draw_widgets(gui_window* win, app_states* apps, const gui_input& input) {
draw_combobox(win, "shading", (int&)params.shading, gui_shading_names);
draw_checkbox(win, "wireframe", params.wireframe);
continue_line(win);
draw_checkbox(win, "edges", params.edges);
draw_checkbox(win, "faceted", params.faceted);
// draw_checkbox(win, "edges", params.edges);
continue_line(win);
draw_checkbox(win, "double sided", params.double_sided);
draw_slider(win, "exposure", params.exposure, -10, 10);
Expand Down Expand Up @@ -590,8 +555,6 @@ void draw_widgets(gui_window* win, app_states* apps, const gui_input& input) {
void draw(gui_window* win, app_states* apps, const gui_input& input) {
if (!apps->selected || !apps->selected->ok) return;
auto app = apps->selected;
if (app->drawgl_prms.shading == gui_shading_type::eyelight)
update_lights(app->glscene, app->ioscene);
draw_scene(app->glscene, app->glcamera, input.framebuffer_viewport,
app->drawgl_prms);
}
Expand All @@ -615,7 +578,6 @@ void update(gui_window* win, app_states* apps) {
if (app->loader_error.empty()) {
init_glscene(app->glscene, app->ioscene, app->glcamera, app->iocamera,
progress_cb);
update_lights(app->glscene, app->ioscene);
app->ok = true;
app->status = "ok";
} else {
Expand Down
59 changes: 11 additions & 48 deletions apps/ysceneviews/ysceneviews.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -90,36 +90,6 @@ struct app_state {
}
};

void update_lights(gui_scene* glscene, sceneio_scene* ioscene) {
clear_lights(glscene);
for (auto ioobject : ioscene->instances) {
if (has_max_lights(glscene)) break;
if (ioobject->material->emission == zero3f) continue;
auto ioshape = ioobject->shape;
auto bbox = invalidb3f;
for (auto p : ioshape->positions) bbox = merge(bbox, p);
auto pos = (bbox.max + bbox.min) / 2;
auto area = 0.0f;
if (!ioshape->triangles.empty()) {
for (auto t : ioshape->triangles)
area += triangle_area(ioshape->positions[t.x], ioshape->positions[t.y],
ioshape->positions[t.z]);
} else if (!ioshape->quads.empty()) {
for (auto q : ioshape->quads)
area += quad_area(ioshape->positions[q.x], ioshape->positions[q.y],
ioshape->positions[q.z], ioshape->positions[q.w]);
} else if (!ioshape->lines.empty()) {
for (auto l : ioshape->lines)
area += line_length(ioshape->positions[l.x], ioshape->positions[l.y]);
} else {
area += ioshape->positions.size();
}
auto ke = ioobject->material->emission * area;
set_light(add_light(glscene), transform_point(ioobject->frame, pos), ke,
ogl_light_type::point, false);
}
}

void init_glscene(gui_scene* glscene, sceneio_scene* ioscene,
gui_camera*& glcamera, sceneio_camera* iocamera,
progress_callback progress_cb) {
Expand All @@ -145,7 +115,7 @@ void init_glscene(gui_scene* glscene, sceneio_scene* ioscene,
}

// textures
auto texture_map = unordered_map<sceneio_texture*, ogl_texture*>{};
auto texture_map = unordered_map<sceneio_texture*, gui_texture*>{};
texture_map[nullptr] = nullptr;
for (auto iotexture : ioscene->textures) {
if (progress_cb) progress_cb("convert texture", progress.x++, progress.y);
Expand Down Expand Up @@ -183,20 +153,13 @@ void init_glscene(gui_scene* glscene, sceneio_scene* ioscene,
}

// shapes
auto shape_map = unordered_map<sceneio_shape*, ogl_shape*>{};
auto shape_map = unordered_map<sceneio_shape*, gui_shape*>{};
shape_map[nullptr] = nullptr;
for (auto ioshape : ioscene->shapes) {
if (progress_cb) progress_cb("convert shape", progress.x++, progress.y);
auto glshape = add_shape(glscene);
set_positions(glshape, ioshape->positions);
set_normals(glshape, ioshape->normals);
set_texcoords(glshape, ioshape->texcoords);
set_colors(glshape, ioshape->colors);
set_points(glshape, ioshape->points);
set_lines(glshape, ioshape->lines);
set_triangles(glshape, ioshape->triangles);
set_quads(glshape, ioshape->quads);
set_edges(glshape, ioshape->triangles, ioshape->quads);
auto glshape = add_shape(glscene, ioshape->points, ioshape->lines,
ioshape->triangles, ioshape->quads, ioshape->positions,
ioshape->normals, ioshape->texcoords, ioshape->colors);
shape_map[ioshape] = glshape;
}

Expand All @@ -212,8 +175,9 @@ void init_glscene(gui_scene* glscene, sceneio_scene* ioscene,
// bake prefiltered environments
// TODO(giacomo): what if there's more than 1 environment?
if (ioscene->environments.size()) {
ibl::init_ibl_data(
glscene, texture_map[ioscene->environments[0]->emission_tex]);
auto environment = ioscene->environments[0];
init_ibl_data(
glscene, texture_map[environment->emission_tex], environment->emission);
}

// done
Expand Down Expand Up @@ -264,8 +228,6 @@ int main(int argc, const char* argv[]) {
clear_scene(app->glscene);
};
callbacks.draw_cb = [app](gui_window* win, const gui_input& input) {
if (app->drawgl_prms.shading == gui_shading_type::eyelight)
update_lights(app->glscene, app->ioscene);
draw_scene(app->glscene, app->glcamera, input.framebuffer_viewport,
app->drawgl_prms);
};
Expand All @@ -280,11 +242,12 @@ int main(int argc, const char* argv[]) {
auto& params = app->drawgl_prms;
draw_slider(win, "resolution", params.resolution, 0, 4096);
draw_checkbox(win, "wireframe", params.wireframe);
draw_combobox(win, "shading", (int&)params.shading, gui_shading_names);
continue_line(win);
draw_checkbox(win, "edges", params.edges);
draw_checkbox(win, "faceted", params.faceted);
continue_line(win);
draw_checkbox(win, "double sided", params.double_sided);
draw_combobox(win, "shading", (int&)params.shading, gui_shading_names);
// draw_checkbox(win, "edges", params.edges);
draw_slider(win, "exposure", params.exposure, -10, 10);
draw_slider(win, "gamma", params.gamma, 0.1f, 4);
draw_slider(win, "near", params.near, 0.01f, 1.0f);
Expand Down
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