Sergio
c9bcce6f9b
Corregidos ~2570 issues automáticamente con clang-tidy --fix-errors más ajustes manuales posteriores: - modernize: designated-initializers, trailing-return-type, use-auto, avoid-c-arrays (→ std::array<>), use-ranges, use-emplace, deprecated-headers, use-equals-default, pass-by-value, return-braced-init-list, use-default-member-init - readability: math-missing-parentheses, implicit-bool-conversion, braces-around-statements, isolate-declaration, use-std-min-max, identifier-naming, else-after-return, redundant-casting, convert-member-functions-to-static, make-member-function-const, static-accessed-through-instance - performance: avoid-endl, unnecessary-value-param, type-promotion, inefficient-vector-operation - dead code: XOR_KEY (orphan tras eliminar encryptData/decryptData), dead stores en engine.cpp y png_shape.cpp - NOLINT justificado en 10 funciones con alta complejidad cognitiva (initialize, render, main, processEvents, update×3, performDemoAction, randomizeOnDemoStart, renderDebugHUD, AppLogo::update) Compilación: gcc -Wall sin warnings. clang-tidy: 0 issues. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
#pragma once
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#include <SDL3/SDL_gpu.h>
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#include <cstdint>
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// ---------------------------------------------------------------------------
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// BallGPUData — 32-byte per-instance record stored in VRAM.
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// Positions and sizes pre-converted to NDC space on CPU so the vertex shader
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// needs no screen-dimension uniform.
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// cx, cy : NDC center (cx = (x + w/2)/sw*2-1, cy = 1-(y+h/2)/sh*2)
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// hw, hh : NDC half-size (hw = w/sw, hh = h/sh, both positive)
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// r,g,b,a: RGBA in [0,1]
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// ---------------------------------------------------------------------------
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struct BallGPUData {
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float cx, cy; // NDC center
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float hw, hh; // NDC half-size (positive)
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float r, g, b, a; // RGBA color [0,1]
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};
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static_assert(sizeof(BallGPUData) == 32, "BallGPUData must be 32 bytes");
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// ============================================================================
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// GpuBallBuffer — owns the GPU vertex buffer used for instanced ball rendering.
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//
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// Usage per frame:
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// buffer.upload(device, cmd, data, count); // inside a copy pass
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// // Then in render pass: bind buffer, SDL_DrawGPUPrimitives(pass, 6, count, 0, 0)
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// ============================================================================
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class GpuBallBuffer {
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public:
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static constexpr int MAX_BALLS = 500000;
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bool init(SDL_GPUDevice* device);
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void destroy(SDL_GPUDevice* device);
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// Upload ball array to GPU via an internal copy pass.
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// count is clamped to MAX_BALLS. Returns false on error or empty input.
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bool upload(SDL_GPUDevice* device, SDL_GPUCommandBuffer* cmd, const BallGPUData* data, int count);
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SDL_GPUBuffer* buffer() const { return gpu_buf_; }
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int count() const { return count_; }
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private:
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SDL_GPUBuffer* gpu_buf_ = nullptr;
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SDL_GPUTransferBuffer* transfer_buf_ = nullptr;
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int count_ = 0;
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};
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