src/gpu/post_process_helper.h


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// This file is part of the 64k demo project.
// It declares helper functions for post-processing effects.

#pragma once

#include "gpu/gpu.h"
#include "gpu/sequence.h"
#include "util/mini_math.h"

// Standard post-process bind group layout (group 0):
#define PP_BINDING_SAMPLER 0
#define PP_BINDING_TEXTURE 1
#define PP_BINDING_UNIFORMS 2
#define PP_BINDING_EFFECT_PARAMS 3

WGPURenderPipeline create_post_process_pipeline(WGPUDevice device,
                                                WGPUTextureFormat format,
                                                const char* shader_code);

// No effect params, 3 bindings only
WGPURenderPipeline create_post_process_pipeline_simple(WGPUDevice device,
                                                       WGPUTextureFormat format,
                                                       const char* shader_code);

void pp_update_bind_group(WGPUDevice device, WGPURenderPipeline pipeline,
                          WGPUBindGroup* bind_group, WGPUTextureView input_view,
                          GpuBuffer uniforms, GpuBuffer effect_params);