mirror of https://github.com/mpv-player/mpv
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
#include "common/msg.h"
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#include "options/m_config.h"
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#include "spirv.h"
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#include "config.h"
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extern const struct spirv_compiler_fns spirv_shaderc;
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extern const struct spirv_compiler_fns spirv_nvidia_builtin;
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// in probe-order
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enum {
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SPIRV_AUTO = 0,
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SPIRV_SHADERC, // generally preferred, but not packaged everywhere
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SPIRV_NVIDIA, // can be useful for testing, only available on nvidia
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};
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static const struct spirv_compiler_fns *compilers[] = {
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#if HAVE_SHADERC
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[SPIRV_SHADERC] = &spirv_shaderc,
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#endif
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#if HAVE_VULKAN
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[SPIRV_NVIDIA] = &spirv_nvidia_builtin,
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#endif
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};
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static const struct m_opt_choice_alternatives compiler_choices[] = {
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{"auto", SPIRV_AUTO},
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#if HAVE_SHADERC
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{"shaderc", SPIRV_SHADERC},
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#endif
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#if HAVE_VULKAN
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{"nvidia", SPIRV_NVIDIA},
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#endif
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{0}
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};
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struct spirv_opts {
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int compiler;
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};
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#define OPT_BASE_STRUCT struct spirv_opts
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const struct m_sub_options spirv_conf = {
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.opts = (const struct m_option[]) {
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OPT_CHOICE_C("spirv-compiler", compiler, 0, compiler_choices),
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{0}
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},
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.size = sizeof(struct spirv_opts),
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};
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bool spirv_compiler_init(struct ra_ctx *ctx)
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{
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void *tmp = talloc_new(NULL);
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struct spirv_opts *opts = mp_get_config_group(tmp, ctx->global, &spirv_conf);
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int compiler = opts->compiler;
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talloc_free(tmp);
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for (int i = SPIRV_AUTO+1; i < MP_ARRAY_SIZE(compilers); i++) {
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if (compiler != SPIRV_AUTO && i != compiler)
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continue;
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if (!compilers[i])
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continue;
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ctx->spirv = talloc_zero(ctx, struct spirv_compiler);
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ctx->spirv->log = ctx->log,
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ctx->spirv->fns = compilers[i];
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const char *name = m_opt_choice_str(compiler_choices, i);
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strncpy(ctx->spirv->name, name, sizeof(ctx->spirv->name) - 1);
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MP_VERBOSE(ctx, "Initializing SPIR-V compiler '%s'\n", name);
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if (ctx->spirv->fns->init(ctx))
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return true;
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talloc_free(ctx->spirv);
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ctx->spirv = NULL;
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}
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MP_ERR(ctx, "Failed initializing SPIR-V compiler!\n");
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return false;
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}
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