// luma.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
import { glsl } from "../glsl-utils/highlight.js";
/** Adds defines to help identify GPU architecture / platform */
export function getPlatformShaderDefines(platformInfo) {
    switch (platformInfo?.gpu.toLowerCase()) {
        case 'apple':
            return `\
#define APPLE_GPU
#define LUMA_FP64_CODE_ELIMINATION_WORKAROUND 1
#define LUMA_FP32_TAN_PRECISION_WORKAROUND 1
#define LUMA_FP64_HIGH_BITS_OVERFLOW_WORKAROUND 1
`;
        case 'nvidia':
            return `\
#define NVIDIA_GPU
#define LUMA_FP64_CODE_ELIMINATION_WORKAROUND 1
`;
        case 'intel':
            return `\
#define INTEL_GPU
#define LUMA_FP64_CODE_ELIMINATION_WORKAROUND 1
#define LUMA_FP32_TAN_PRECISION_WORKAROUND 1
#define LUMA_FP64_HIGH_BITS_OVERFLOW_WORKAROUND 1
`;
        case 'amd':
            // AMD Does not eliminate fp64 code
            return `\
#define AMD_GPU
`;
        default:
            // We don't know what GPU it is, could be that the GPU driver or
            // browser is not implementing UNMASKED_RENDERER constant and not
            // reporting a correct name
            return `\
#define DEFAULT_GPU
#define LUMA_FP64_CODE_ELIMINATION_WORKAROUND 1
#define LUMA_FP32_TAN_PRECISION_WORKAROUND 1
#define LUMA_FP64_HIGH_BITS_OVERFLOW_WORKAROUND 1
`;
    }
}