uniforms.hpp

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#pragma once
#include <glm/glm.hpp>
#include "limits.hpp"
 
namespace vex {
    struct alignas(256) SceneUBO {
        alignas(16) glm::mat4 view;
        alignas(16) glm::mat4 proj;
 
        alignas(16) glm::vec4 ambientLight;
        alignas(16) glm::vec4 sunLight;
        alignas(16) glm::vec4 sunDirection;
 
        alignas(8) glm::vec2 renderResolution;
        alignas(8) glm::vec2 windowResolution;
 
        alignas(4) float snapResolution;
        alignas(4) float jitterIntensity;
        alignas(4) int enablePS1Effects;
 
        alignas(4) float time;
        alignas(4) int frame;
        alignas(4) float upscaleRatio;
        alignas(4) float ambientLightStrength;
 
        alignas(16) glm::vec4 fogColor = glm::vec4(0.0f);
        alignas(16) glm::vec2 fogDistances;
    };

    struct alignas(16) Light {
        glm::vec4 position = glm::vec4(0.0f); // w = radius
        glm::vec4 color = glm::vec4(0.0f);    // w = intensity
    };

    struct alignas(256) SceneLightsUBO {
        alignas(4) uint32_t lightCount;
        alignas(16) Light lights[MAX_DYNAMIC_LIGHTS]; // Light is already glm::vec4 position + glm::vec4 color
    };

    struct alignas(128) PushConstants {
        alignas(16) glm::vec4 color;
        alignas(16) glm::mat4 model;
        alignas(4)  int textureID = 0;
    };

    namespace PS1Effects {
        constexpr int VERTEX_SNAPPING    = 0x1;
        constexpr int AFFINE_WARPING     = 0x2;
        constexpr int SCREEN_QUANTIZATION = 0x4;
        constexpr int VERTEX_JITTER      = 0x8;
        constexpr int NTSC_ARTIFACTS     = 0x10;
        constexpr int GOURAUD_SHADING    = 0x20;
        constexpr int TEXTURE_QUANTIZATION = 0x40;
        constexpr int SCREEN_DITHER = 0x80;
    }
}