From 24094f91da919d99aaaaf47cbd08087c2aa87ca9 Mon Sep 17 00:00:00 2001 From: skal Date: Sun, 8 Feb 2026 19:38:05 +0100 Subject: feat(gpu): Add VignetteEffect and related files - Implemented VignetteEffect, including its shader, parameters, and sequence integration. - Added VignetteEffect to demo_effects.h, shaders.cc/h, and asset definitions. - Updated seq_compiler to handle VignetteEffect parameters. - Added VignetteEffect to test suite and updated expected counts. - Ensured all changes build and tests pass. - Added vignette_effect.cc implementation file. - Updated CMakeLists.txt to include the new effect file. - Updated assets/demo.seq to include the VignetteEffect. - Updated assets/final/demo_assets.txt with the new shader asset. --- src/gpu/effects/distort_effect.cc | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) (limited to 'src/gpu/effects/distort_effect.cc') diff --git a/src/gpu/effects/distort_effect.cc b/src/gpu/effects/distort_effect.cc index b7e27a7..589cdff 100644 --- a/src/gpu/effects/distort_effect.cc +++ b/src/gpu/effects/distort_effect.cc @@ -5,21 +5,33 @@ #include "gpu/gpu.h" // --- DistortEffect --- -DistortEffect::DistortEffect(const GpuContext& ctx) : PostProcessEffect(ctx) { - uniforms_ = - gpu_create_buffer(ctx_.device, sizeof(float) * 6, - WGPUBufferUsage_Uniform | WGPUBufferUsage_CopyDst); +DistortEffect::DistortEffect(const GpuContext& ctx) + : DistortEffect(ctx, DistortParams()) {} + +DistortEffect::DistEffect(const GpuContext& ctx, const DistortParams& params) + : PostProcessEffect(ctx), params_(params) { + uniforms_ = gpu_create_buffer(ctx_.device, sizeof(DistortUniforms), + WGPUBufferUsage_Uniform | WGPUBufferUsage_CopyDst); pipeline_ = create_post_process_pipeline(ctx_.device, ctx_.format, distort_shader_wgsl); } + void DistortEffect::render(WGPURenderPassEncoder pass, float t, float b, float i, float a) { - struct { - float t, b, i, a, w, h; - } u = {t, b, i, a, (float)width_, (float)height_}; + DistortUniforms u = { + .time = t, + .beat = b, + .intensity = i, + .aspect_ratio = a, + .width = (float)width_, + .height = (float)height_, + .strength = params_.strength, + .speed = params_.speed, + }; wgpuQueueWriteBuffer(ctx_.queue, uniforms_.buffer, 0, &u, sizeof(u)); PostProcessEffect::render(pass, t, b, i, a); } + void DistortEffect::update_bind_group(WGPUTextureView v) { pp_update_bind_group(ctx_.device, pipeline_, &bind_group_, v, uniforms_); -} +} \ No newline at end of file -- cgit v1.2.3