oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-06-27 16:36:03 +00:00
Code Wiki Activity

Bloom (#12791)

Browse source 
Adds configurable light exposure control and bloom effect (light bleeding) with client-side settings.
This commit is contained in:
x2048 2022-09-29 20:34:05 +02:00 • committed by GitHub
parent 3978b9b8ed
commit 9df79a4b2d
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
16 changed files with 422 additions and 118 deletions
Download patch file Download diff file Expand all files Collapse all files

85
src/client/game.cpp
View file

@ -405,6 +405,7 @@ typedef s32 SamplerLayer_t;
class GameGlobalShaderConstantSetter : public IShaderConstantSetter
{
Sky *m_sky;
Client *m_client;
bool *m_force_fog_off;
f32 *m_fog_range;
bool m_fog_enabled;
@ -419,16 +420,31 @@ class GameGlobalShaderConstantSetter : public IShaderConstantSetter
CachedPixelShaderSetting<float, 3> m_minimap_yaw;
CachedPixelShaderSetting<float, 3> m_camera_offset_pixel;
CachedPixelShaderSetting<float, 3> m_camera_offset_vertex;
CachedPixelShaderSetting<SamplerLayer_t> m_base_texture;
CachedPixelShaderSetting<SamplerLayer_t> m_normal_texture;
CachedPixelShaderSetting<SamplerLayer_t> m_texture_flags;
Client *m_client;
CachedPixelShaderSetting<SamplerLayer_t> m_texture0;
CachedPixelShaderSetting<SamplerLayer_t> m_texture1;
CachedPixelShaderSetting<SamplerLayer_t> m_texture2;
CachedPixelShaderSetting<SamplerLayer_t> m_texture3;
CachedPixelShaderSetting<float, 2> m_texel_size0;
std::array<float, 2> m_texel_size0_values;
CachedPixelShaderSetting<float> m_exposure_factor_pixel;
float m_user_exposure_factor;
bool m_bloom_enabled;
CachedPixelShaderSetting<float> m_bloom_intensity_pixel;
float m_bloom_intensity;
CachedPixelShaderSetting<float> m_bloom_radius_pixel;
float m_bloom_radius;
public:
void onSettingsChange(const std::string &name)
{
if (name == "enable_fog")
m_fog_enabled = g_settings->getBool("enable_fog");
if (name == "exposure_factor")
m_user_exposure_factor = g_settings->getFloat("exposure_factor", 0.1f, 10.0f);
if (name == "bloom_intensity")
m_bloom_intensity = g_settings->getFloat("bloom_intensity", 0.01f, 1.0f);
if (name == "bloom_radius")
m_bloom_radius = g_settings->getFloat("bloom_radius", 1.0f, 64.0f);
}
static void settingsCallback(const std::string &name, void *userdata)
@ -441,6 +457,7 @@ public:
GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
f32 *fog_range, Client *client) :
m_sky(sky),
m_client(client),
m_force_fog_off(force_fog_off),
m_fog_range(fog_range),
m_sky_bg_color("skyBgColor"),
@ -454,13 +471,24 @@ public:
m_minimap_yaw("yawVec"),
m_camera_offset_pixel("cameraOffset"),
m_camera_offset_vertex("cameraOffset"),
m_base_texture("baseTexture"),
m_normal_texture("normalTexture"),
m_texture_flags("textureFlags"),
m_client(client)
m_texture0("texture0"),
m_texture1("texture1"),
m_texture2("texture2"),
m_texture3("texture3"),
m_texel_size0("texelSize0"),
m_exposure_factor_pixel("exposureFactor"),
m_bloom_intensity_pixel("bloomIntensity"),
m_bloom_radius_pixel("bloomRadius")
{
g_settings->registerChangedCallback("enable_fog", settingsCallback, this);
g_settings->registerChangedCallback("exposure_factor", settingsCallback, this);
g_settings->registerChangedCallback("bloom_intensity", settingsCallback, this);
g_settings->registerChangedCallback("bloom_radius", settingsCallback, this);
m_fog_enabled = g_settings->getBool("enable_fog");
m_user_exposure_factor = g_settings->getFloat("exposure_factor", 0.1f, 10.0f);
m_bloom_enabled = g_settings->getBool("enable_bloom");
m_bloom_intensity = g_settings->getFloat("bloom_intensity", 0.01f, 1.0f);
m_bloom_radius = g_settings->getFloat("bloom_radius", 1.0f, 64.0f);
}
~GameGlobalShaderConstantSetter()
@ -526,12 +554,41 @@ public:
m_camera_offset_pixel.set(camera_offset_array, services);
m_camera_offset_vertex.set(camera_offset_array, services);
SamplerLayer_t base_tex = 0,
normal_tex = 1,
flags_tex = 2;
m_base_texture.set(&base_tex, services);
m_normal_texture.set(&normal_tex, services);
m_texture_flags.set(&flags_tex, services);
SamplerLayer_t tex_id;
tex_id = 0;
m_texture0.set(&tex_id, services);
tex_id = 1;
m_texture1.set(&tex_id, services);
tex_id = 2;
m_texture2.set(&tex_id, services);
tex_id = 3;
m_texture3.set(&tex_id, services);
m_texel_size0.set(m_texel_size0_values.data(), services);
float exposure_factor = RenderingEngine::DEFAULT_EXPOSURE_FACTOR * m_user_exposure_factor;
if (std::isnan(exposure_factor))
exposure_factor = RenderingEngine::DEFAULT_EXPOSURE_FACTOR;
m_exposure_factor_pixel.set(&exposure_factor, services);
if (m_bloom_enabled) {
m_bloom_intensity_pixel.set(&m_bloom_intensity, services);
m_bloom_radius_pixel.set(&m_bloom_radius, services);
}
}
void onSetMaterial(const video::SMaterial &material)
{
video::ITexture *texture = material.getTexture(0);
if (texture) {
core::dimension2du size = texture->getSize();
m_texel_size0_values[0] = 1.f / size.Width;
m_texel_size0_values[1] = 1.f / size.Height;
}
else {
m_texel_size0_values[0] = 0.f;
m_texel_size0_values[1] = 0.f;
}
}
};