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add post-effect-slot resource & add gfx.posteffects library

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This commit is contained in:
MihailRis 2025-04-06 12:47:25 +03:00
parent c3bc084e76
commit 64039f0e43
11 changed files with 182 additions and 12 deletions
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61
src/graphics/core/PostEffect.cpp
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@ -1,15 +1,16 @@
#include "PostEffect.hpp"
#include "Shader.hpp"
#include "data/dv_util.hpp"
PostEffect::Param::Param() : type(Type::FLOAT) {}
PostEffect::Param::Param(Type type, Value defValue)
: type(type), defValue(std::move(defValue)) {
: type(type), defValue(defValue), value(defValue) {
}
PostEffect::PostEffect(
std::unique_ptr<Shader> shader,
std::shared_ptr<Shader> shader,
std::unordered_map<std::string, Param> params
)
: shader(std::move(shader)), params(std::move(params)) {
@ -18,9 +19,65 @@ PostEffect::PostEffect(
Shader& PostEffect::use() {
shader->use();
shader->uniform1f("u_intensity", intensity);
for (auto& [name, param] : params) {
if (!param.dirty) {
continue;
}
switch (param.type) {
case Param::Type::FLOAT:
shader->uniform1f(name, std::get<float>(param.value));
break;
case Param::Type::VEC2:
shader->uniform2f(name, std::get<glm::vec2>(param.value));
break;
case Param::Type::VEC3:
shader->uniform3f(name, std::get<glm::vec3>(param.value));
break;
case Param::Type::VEC4:
shader->uniform4f(name, std::get<glm::vec4>(param.value));
break;
default:
assert(false);
}
param.dirty = false;
}
return *shader;
}
float PostEffect::getIntensity() const {
return intensity;
}
void PostEffect::setIntensity(float value) {
intensity = value;
}
template<int n>
static void set_value(PostEffect::Param::Value& dst, const dv::value& value) {
glm::vec<n, float> vec;
dv::get_vec(value, vec);
dst = vec;
}
void PostEffect::setParam(const std::string& name, const dv::value& value) {
const auto& found = params.find(name);
if (found == params.end()) {
return;
}
auto& param = found->second;
switch (param.type) {
case Param::Type::FLOAT:
param.value = static_cast<float>(value.asNumber());
break;
case Param::Type::VEC2:
set_value<2>(param.value, value);
break;
case Param::Type::VEC3:
set_value<3>(param.value, value);
break;
case Param::Type::VEC4:
set_value<4>(param.value, value);
break;
}
param.dirty = true;
}