Renderer.cpp File Reference

SDL3 GPU renderer implementation – pipelines, passes, and post-processing. More...

#include "Renderer.hpp"
#include "Camera.hpp"
#include "ModelLoader.hpp"
#include "SMAAAreaTex.h"
#include "SMAASearchTex.h"
#include "particles/ParticleSystem.hpp"
#include <algorithm>
#include <backends/imgui_impl_sdlgpu3.h>
#include <cmath>
#include <filesystem>
#include <glm/ext/matrix_clip_space.hpp>
#include <glm/ext/matrix_transform.hpp>
#include <glm/gtc/matrix_inverse.hpp>
#include <imgui.h>
#include <stb_image.h>
#include <vector>
#include <stb_image_write.h>

Include dependency graph for Renderer.cpp:

Functions
static std::array< CascadeInfo, 4 >	computeCascades (const Camera &cam, const glm::vec3 &lightDir, int numCascades, int shadowMapSize, float shadowMaxDist, float lambda)
	Compute per-cascade light view-projection matrices.

Detailed Description

SDL3 GPU renderer implementation – pipelines, passes, and post-processing.

Function Documentation

computeCascades()

static std::array< CascadeInfo, 4 > computeCascades ( const Camera &  cam, const glm::vec3 &  lightDir, int  numCascades, int  shadowMapSize, float  shadowMaxDist, float  lambda  )

static

Compute per-cascade light view-projection matrices.

Tightly fits the camera's sub-frustum from the light's perspective. Uses the practical split scheme (blend of logarithmic and linear) and texel-snaps the ortho projection to prevent shadow swimming.

Parameters

cam	Current camera.
lightDir	Unit direction vector toward the sun.
numCascades	Number of cascades (up to 4).
shadowMapSize	Per-cascade shadow map resolution.
shadowMaxDist	Maximum shadow distance in world units.
lambda	Logarithmic vs linear blend factor (0=linear, 1=log).

Returns

Array of CascadeInfo structs with light VP matrices and split distances.

Here is the call graph for this function:

Here is the caller graph for this function: