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shadows in scene api

main
Dominik Madarász 2024-08-30 13:18:08 +02:00
parent 5459b8aaf8
commit 6c678a478a
5 changed files with 154 additions and 10 deletions
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26
demos/09-shadows-scene.c
View File

@ -7,11 +7,11 @@
const char *skyboxes[][2] = { // reflection, env, metadata
{"hdr/GCanyon_C_YumaPoint_1k.hdr","hdr/GCanyon_C_YumaPoint_Env.hdr"},
{"hdr/Tokyo_BigSight_1k.hdr","hdr/Tokyo_BigSight_Env.hdr"},
{"hdr/graffiti_shelter_4k.hdr","hdr/graffiti_shelter_Env.hdr"},
{"hdr/music_hall_01_4k.hdr","hdr/music_hall_01_Env.hdr"},
{"hdr/the_sky_is_on_fire_2k.hdr","hdr/the_sky_is_on_fire_Env.hdr"},
{"hdr/GCanyon_C_YumaPoint_1k.hdr","hdr/GCanyon_C_YumaPoint_Env.hdr"},
{"hdr/Factory_Catwalk_1k.hdr","hdr/Factory_Catwalk_Env.hdr"},
{"hdr/MonValley_G_DirtRoad_1k.hdr","hdr/MonValley_G_DirtRoad_Env.hdr"},
{"hdr/Shiodome_Stairs_1k.hdr","hdr/Shiodome_Stairs_Env.hdr"},
@ -42,6 +42,7 @@ int main() {
model_t m3 = model("damagedhelmet.gltf", MODEL_NO_ANIMATIONS|MODEL_PBR);
// model_t m3 = model("Scutum_low.fbx", MODEL_NO_ANIMATIONS|MODEL_PBR);
model_t m4 = model("cube.obj", MODEL_NO_ANIMATIONS);
model_t m6 = model("ShadowsTest.obj", MODEL_NO_ANIMATIONS);
// model_t m4 = model("avp/scene.gltf", MODEL_NO_ANIMATIONS|MODEL_PBR);
// model_t m3 = model("Cerberus_LP.FBX", MODEL_NO_ANIMATIONS|MODEL_PBR);
@ -95,12 +96,23 @@ int main() {
object_move(obj5, vec3(-10+8*3,0,-10));
object_pivot(obj5, vec3(0,90,0));
// spawn object6
object_t* obj6 = scene_spawn();
object_model(obj6, m6);
object_move(obj6, vec3(-9,-4,3));
object_scale(obj6, vec3(3,3,3));
// create point light
// scene_spawn_light(); // sun
light_t* l = scene_spawn_light();
light_type(l, LIGHT_POINT);
// light_t* l = scene_spawn_light();
// light_type(l, LIGHT_POINT);
// l->diffuse = vec3(0,0,0);
light_t* sun = scene_spawn_light();
light_type(sun, LIGHT_DIRECTIONAL);
sun->dir = vec3(0.5,-1,-0.5);
// load skybox
scene_get_active()->skybox = skybox_pbr(skyboxes[0][0], skyboxes[0][0], skyboxes[0][1]);
@ -113,15 +125,15 @@ int main() {
video_decode( v );
// update light position
light_teleport(l, cam.position);
// light_teleport(l, cam.position);
// update shadertoy
shadertoy_render(&sh, window_delta());
// draw scene
fx_begin();
scene_render(SCENE_FOREGROUND|SCENE_BACKGROUND|SCENE_UPDATE_SH_COEF);
fx_end();
// fx_begin();
scene_render(SCENE_FOREGROUND|SCENE_BACKGROUND|SCENE_UPDATE_SH_COEF|SCENE_CAST_SHADOWS);
// fx_end();
// fps camera
bool active = ui_active() || ui_hover() || gizmo_active() ? false : input(MOUSE_L) || input(MOUSE_M) || input(MOUSE_R);

46
engine/joint/v4k.h
View File

@ -385605,6 +385605,8 @@ shadertoy_t shadertoy( const char *shaderfile, unsigned flags ) {
}
shadertoy_t* shadertoy_render(shadertoy_t *s, float delta) {
int saved_vp[4];
glGetIntegerv(GL_VIEWPORT, saved_vp);
if( s->program && s->vao ) {
if( s->dims.x && !(s->flags&SHADERTOY_IGNORE_FBO) && !texture_rec_begin(&s->tx, s->dims.x, s->dims.y) ) {
return s;
@ -385645,6 +385647,7 @@ shadertoy_t* shadertoy_render(shadertoy_t *s, float delta) {
if(s->dims.x && !(s->flags&SHADERTOY_IGNORE_FBO)) texture_rec_end(&s->tx); // texture_rec
}
glViewport(saved_vp[0], saved_vp[1], saved_vp[2], saved_vp[3]);
return s;
}
@ -388969,8 +388972,9 @@ object_t object() {
//obj.rot = idq();
obj.sca = vec3(1,1,1);
//obj.bounds = aabb(vec3(0,0,0),vec3(1,1,1)); // defaults to small 1-unit cube
object_rotate(&obj, vec3(0,0,0));
object_rotate(&obj, vec3(0,0,0));
//array_init(obj.textures);
obj.cast_shadows = true;
return obj;
}
@ -389161,6 +389165,16 @@ int scene_obj_distance_compare(const void *a, const void *b) {
void scene_render(int flags) {
camera_t *cam = camera_get_active();
shadowmap_t *sm = &last_scene->shadowmap;
if (flags & SCENE_CAST_SHADOWS) {
if (sm->vsm_texture_width == 0) {
*sm = shadowmap(512, 4096);
}
} else {
sm = NULL;
}
#if 1
mat44 projview; multiply44x2(projview, cam->proj, cam->view);
frustum frustum_state = frustum_build(projview);
@ -389248,6 +389262,26 @@ void scene_render(int flags) {
}
}
/* Build shadowmaps */
if (flags & SCENE_CAST_SHADOWS) {
shadowmap_begin(sm);
for (unsigned j = 0; j < array_count(last_scene->lights); ++j) {
light_t *l = &last_scene->lights[j];
while (shadowmap_step(sm)) {
shadowmap_light(sm, l, cam->proj, cam->view);
for(unsigned j = 0, obj_count = scene_count(); j < obj_count; ++j ) {
object_t *obj = scene_index(j);
model_t *model = &obj->model;
if (obj->cast_shadows) {
model_render(*model, cam->proj, cam->view, obj->transform, 0);
}
}
}
}
shadowmap_end(sm);
}
/* Collect all transparency enabled models and sort them by distance */
static array(object_t*) transparent_objects = 0;
for(unsigned j = 0, obj_count = scene_count(); j < obj_count; ++j ) {
@ -389270,6 +389304,11 @@ void scene_render(int flags) {
model_t *model = &obj->model;
if (obj->skip_draw) continue;
if (sm) {
shader_bind(model->program);
light_update(array_count(last_scene->lights), last_scene->lights);
}
model_shadow(model, sm);
model_render_pass(*model, cam->proj, cam->view, obj->transform, model->program, RENDER_PASS_OPAQUE);
}
@ -389279,6 +389318,11 @@ void scene_render(int flags) {
model_t *model = &obj->model;
if (obj->skip_draw) continue;
if (sm) {
shader_bind(model->program);
light_update(array_count(last_scene->lights), last_scene->lights);
}
model_shadow(model, sm);
model_render_pass(*model, cam->proj, cam->view, obj->transform, model->program, RENDER_PASS_TRANSPARENT);
}

3
engine/split/v4k_render.c
View File

@ -3868,6 +3868,8 @@ shadertoy_t shadertoy( const char *shaderfile, unsigned flags ) {
}
shadertoy_t* shadertoy_render(shadertoy_t *s, float delta) {
int saved_vp[4];
glGetIntegerv(GL_VIEWPORT, saved_vp);
if( s->program && s->vao ) {
if( s->dims.x && !(s->flags&SHADERTOY_IGNORE_FBO) && !texture_rec_begin(&s->tx, s->dims.x, s->dims.y) ) {
return s;
@ -3908,6 +3910,7 @@ shadertoy_t* shadertoy_render(shadertoy_t *s, float delta) {
if(s->dims.x && !(s->flags&SHADERTOY_IGNORE_FBO)) texture_rec_end(&s->tx); // texture_rec
}
glViewport(saved_vp[0], saved_vp[1], saved_vp[2], saved_vp[3]);
return s;
}

43
engine/split/v4k_scene.c
View File

@ -234,8 +234,9 @@ object_t object() {
//obj.rot = idq();
obj.sca = vec3(1,1,1);
//obj.bounds = aabb(vec3(0,0,0),vec3(1,1,1)); // defaults to small 1-unit cube
object_rotate(&obj, vec3(0,0,0));
object_rotate(&obj, vec3(0,0,0));
//array_init(obj.textures);
obj.cast_shadows = true;
return obj;
}
@ -426,6 +427,16 @@ int scene_obj_distance_compare(const void *a, const void *b) {
void scene_render(int flags) {
camera_t *cam = camera_get_active();
shadowmap_t *sm = &last_scene->shadowmap;
if (flags & SCENE_CAST_SHADOWS) {
if (sm->vsm_texture_width == 0) {
*sm = shadowmap(512, 4096);
}
} else {
sm = NULL;
}
#if 1
mat44 projview; multiply44x2(projview, cam->proj, cam->view);
frustum frustum_state = frustum_build(projview);
@ -513,6 +524,26 @@ void scene_render(int flags) {
}
}
/* Build shadowmaps */
if (flags & SCENE_CAST_SHADOWS) {
shadowmap_begin(sm);
for (unsigned j = 0; j < array_count(last_scene->lights); ++j) {
light_t *l = &last_scene->lights[j];
while (shadowmap_step(sm)) {
shadowmap_light(sm, l, cam->proj, cam->view);
for(unsigned j = 0, obj_count = scene_count(); j < obj_count; ++j ) {
object_t *obj = scene_index(j);
model_t *model = &obj->model;
if (obj->cast_shadows) {
model_render(*model, cam->proj, cam->view, obj->transform, 0);
}
}
}
}
shadowmap_end(sm);
}
/* Collect all transparency enabled models and sort them by distance */
static array(object_t*) transparent_objects = 0;
for(unsigned j = 0, obj_count = scene_count(); j < obj_count; ++j ) {
@ -535,6 +566,11 @@ void scene_render(int flags) {
model_t *model = &obj->model;
if (obj->skip_draw) continue;
if (sm) {
shader_bind(model->program);
light_update(array_count(last_scene->lights), last_scene->lights);
}
model_shadow(model, sm);
model_render_pass(*model, cam->proj, cam->view, obj->transform, model->program, RENDER_PASS_OPAQUE);
}
@ -544,6 +580,11 @@ void scene_render(int flags) {
model_t *model = &obj->model;
if (obj->skip_draw) continue;
if (sm) {
shader_bind(model->program);
light_update(array_count(last_scene->lights), last_scene->lights);
}
model_shadow(model, sm);
model_render_pass(*model, cam->proj, cam->view, obj->transform, model->program, RENDER_PASS_TRANSPARENT);
}

46
engine/v4k.c
View File

@ -20667,6 +20667,8 @@ shadertoy_t shadertoy( const char *shaderfile, unsigned flags ) {
}
shadertoy_t* shadertoy_render(shadertoy_t *s, float delta) {
int saved_vp[4];
glGetIntegerv(GL_VIEWPORT, saved_vp);
if( s->program && s->vao ) {
if( s->dims.x && !(s->flags&SHADERTOY_IGNORE_FBO) && !texture_rec_begin(&s->tx, s->dims.x, s->dims.y) ) {
return s;
@ -20707,6 +20709,7 @@ shadertoy_t* shadertoy_render(shadertoy_t *s, float delta) {
if(s->dims.x && !(s->flags&SHADERTOY_IGNORE_FBO)) texture_rec_end(&s->tx); // texture_rec
}
glViewport(saved_vp[0], saved_vp[1], saved_vp[2], saved_vp[3]);
return s;
}
@ -24031,8 +24034,9 @@ object_t object() {
//obj.rot = idq();
obj.sca = vec3(1,1,1);
//obj.bounds = aabb(vec3(0,0,0),vec3(1,1,1)); // defaults to small 1-unit cube
object_rotate(&obj, vec3(0,0,0));
object_rotate(&obj, vec3(0,0,0));
//array_init(obj.textures);
obj.cast_shadows = true;
return obj;
}
@ -24223,6 +24227,16 @@ int scene_obj_distance_compare(const void *a, const void *b) {
void scene_render(int flags) {
camera_t *cam = camera_get_active();
shadowmap_t *sm = &last_scene->shadowmap;
if (flags & SCENE_CAST_SHADOWS) {
if (sm->vsm_texture_width == 0) {
*sm = shadowmap(512, 4096);
}
} else {
sm = NULL;
}
#if 1
mat44 projview; multiply44x2(projview, cam->proj, cam->view);
frustum frustum_state = frustum_build(projview);
@ -24310,6 +24324,26 @@ void scene_render(int flags) {
}
}
/* Build shadowmaps */
if (flags & SCENE_CAST_SHADOWS) {
shadowmap_begin(sm);
for (unsigned j = 0; j < array_count(last_scene->lights); ++j) {
light_t *l = &last_scene->lights[j];
while (shadowmap_step(sm)) {
shadowmap_light(sm, l, cam->proj, cam->view);
for(unsigned j = 0, obj_count = scene_count(); j < obj_count; ++j ) {
object_t *obj = scene_index(j);
model_t *model = &obj->model;
if (obj->cast_shadows) {
model_render(*model, cam->proj, cam->view, obj->transform, 0);
}
}
}
}
shadowmap_end(sm);
}
/* Collect all transparency enabled models and sort them by distance */
static array(object_t*) transparent_objects = 0;
for(unsigned j = 0, obj_count = scene_count(); j < obj_count; ++j ) {
@ -24332,6 +24366,11 @@ void scene_render(int flags) {
model_t *model = &obj->model;
if (obj->skip_draw) continue;
if (sm) {
shader_bind(model->program);
light_update(array_count(last_scene->lights), last_scene->lights);
}
model_shadow(model, sm);
model_render_pass(*model, cam->proj, cam->view, obj->transform, model->program, RENDER_PASS_OPAQUE);
}
@ -24341,6 +24380,11 @@ void scene_render(int flags) {
model_t *model = &obj->model;
if (obj->skip_draw) continue;
if (sm) {
shader_bind(model->program);
light_update(array_count(last_scene->lights), last_scene->lights);
}
model_shadow(model, sm);
model_render_pass(*model, cam->proj, cam->view, obj->transform, model->program, RENDER_PASS_TRANSPARENT);
}