/**
 * @file mvgal_shader_backend_nvidia.c
 * @brief NVIDIA GPU Shader Backend Integration (Phase 3)
 * 
 * Uses NVRTC/PTX for shader compilation.
 */

#include <mvgal/mvgal_shader_backend.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* External from mvgal_shader_translate.c */
extern int mvgal_shader_route(mvgal_vendor_t vendor,
                              const uint32_t *spirv,
                              size_t word_count,
                              uint32_t **vendor_code,
                              size_t *vendor_code_size);

int mvgal_compile_shader_nvidia(const uint32_t *spirv, size_t word_count,
                                char **out_source, size_t *out_size)
{
#ifdef MVGAL_ENABLE_SPIRV_OPT
    if (spirv && word_count > 0) {
        uint32_t *vendor_code = NULL;
        size_t vendor_size = 0;
        
        if (mvgal_shader_route(MVGAL_VENDOR_NVIDIA, spirv, word_count,
                               &vendor_code, &vendor_size) == 0) {
            *out_source = (char *)vendor_code;
            *out_size = vendor_size;
            return 0;
        }
    }
#endif

    (void)spirv;
    (void)word_count;
    (void)out_source;
    (void)out_size;
    return -1;
}