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

Shadow mapping render pass (#11244)

Browse source 
Co-authored-by: x2048 <codeforsmile@gmail.com>
This commit is contained in:
Liso 2021-06-06 18:51:21 +02:00 • committed by GitHub
parent 46f42e15c4
commit c47313db65
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
35 changed files with 2624 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

64
src/client/shader.cpp
View file

@ -225,6 +225,16 @@ class MainShaderConstantSetter : public IShaderConstantSetter
{
CachedVertexShaderSetting<float, 16> m_world_view_proj;
CachedVertexShaderSetting<float, 16> m_world;
// Shadow-related
CachedPixelShaderSetting<float, 16> m_shadow_view_proj;
CachedPixelShaderSetting<float, 3> m_light_direction;
CachedPixelShaderSetting<float> m_texture_res;
CachedPixelShaderSetting<float> m_shadow_strength;
CachedPixelShaderSetting<float> m_time_of_day;
CachedPixelShaderSetting<float> m_shadowfar;
CachedPixelShaderSetting<s32> m_shadow_texture;
#if ENABLE_GLES
// Modelview matrix
CachedVertexShaderSetting<float, 16> m_world_view;
@ -243,6 +253,13 @@ public:
, m_texture("mTexture")
, m_normal("mNormal")
#endif
, m_shadow_view_proj("m_ShadowViewProj")
, m_light_direction("v_LightDirection")
, m_texture_res("f_textureresolution")
, m_shadow_strength("f_shadow_strength")
, m_time_of_day("f_timeofday")
, m_shadowfar("f_shadowfar")
, m_shadow_texture("ShadowMapSampler")
{}
~MainShaderConstantSetter() = default;
@ -280,6 +297,36 @@ public:
};
m_normal.set(m, services);
#endif
// Set uniforms for Shadow shader
if (ShadowRenderer *shadow = RenderingEngine::get_shadow_renderer()) {
const auto &light = shadow->getDirectionalLight();
core::matrix4 shadowViewProj = light.getProjectionMatrix();
shadowViewProj *= light.getViewMatrix();
m_shadow_view_proj.set(shadowViewProj.pointer(), services);
float v_LightDirection[3];
light.getDirection().getAs3Values(v_LightDirection);
m_light_direction.set(v_LightDirection, services);
float TextureResolution = light.getMapResolution();
m_texture_res.set(&TextureResolution, services);
float ShadowStrength = shadow->getShadowStrength();
m_shadow_strength.set(&ShadowStrength, services);
float timeOfDay = shadow->getTimeOfDay();
m_time_of_day.set(&timeOfDay, services);
float shadowFar = shadow->getMaxShadowFar();
m_shadowfar.set(&shadowFar, services);
// I dont like using this hardcoded value. maybe something like
// MAX_TEXTURE - 1 or somthing like that??
s32 TextureLayerID = 3;
m_shadow_texture.set(&TextureLayerID, services);
}
}
};
@ -682,6 +729,23 @@ ShaderInfo ShaderSource::generateShader(const std::string &name,
shaders_header << "#define FOG_START " << core::clamp(g_settings->getFloat("fog_start"), 0.0f, 0.99f) << "\n";
if (g_settings->getBool("enable_dynamic_shadows")) {
shaders_header << "#define ENABLE_DYNAMIC_SHADOWS 1\n";
if (g_settings->getBool("shadow_map_color"))
shaders_header << "#define COLORED_SHADOWS 1\n";
if (g_settings->getBool("shadow_poisson_filter"))
shaders_header << "#define POISSON_FILTER 1\n";
s32 shadow_filter = g_settings->getS32("shadow_filters");
shaders_header << "#define SHADOW_FILTER " << shadow_filter << "\n";
float shadow_soft_radius = g_settings->getS32("shadow_soft_radius");
if (shadow_soft_radius < 1.0f)
shadow_soft_radius = 1.0f;
shaders_header << "#define SOFTSHADOWRADIUS " << shadow_soft_radius << "\n";
}
std::string common_header = shaders_header.str();
std::string vertex_shader = m_sourcecache.getOrLoad(name, "opengl_vertex.glsl");