mirror of https://github.com/mpv-player/mpv
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
#include "video/out/gpu/spirv.h"
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#include "common.h"
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#include "context.h"
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#include "utils.h"
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static bool nv_glsl_compile(struct spirv_compiler *spirv, void *tactx,
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enum glsl_shader type, const char *glsl,
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struct bstr *out_spirv)
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{
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// The nvidia extension literally assumes your SPIRV is in fact valid GLSL
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*out_spirv = bstr0(glsl);
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return true;
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}
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static bool nv_glsl_init(struct ra_ctx *ctx)
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{
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struct mpvk_ctx *vk = ra_vk_ctx_get(ctx);
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if (!vk)
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return false;
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struct spirv_compiler *spv = ctx->spirv;
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spv->required_ext = VK_NV_GLSL_SHADER_EXTENSION_NAME;
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spv->glsl_version = 450; // impossible to query, so hard-code it..
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spv->ra_caps = RA_CAP_NESTED_ARRAY;
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// Make sure the extension is actually available, and fail gracefully
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// if it isn't
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VkExtensionProperties *props = NULL;
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uint32_t extnum = 0;
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VK(vkEnumerateDeviceExtensionProperties(vk->physd, NULL, &extnum, NULL));
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props = talloc_array(NULL, VkExtensionProperties, extnum);
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VK(vkEnumerateDeviceExtensionProperties(vk->physd, NULL, &extnum, props));
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bool ret = true;
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for (int e = 0; e < extnum; e++) {
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if (strncmp(props[e].extensionName, spv->required_ext,
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VK_MAX_EXTENSION_NAME_SIZE) == 0)
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goto done;
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}
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error:
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MP_VERBOSE(ctx, "Device doesn't support VK_NV_glsl_shader, skipping..\n");
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ret = false;
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done:
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talloc_free(props);
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return ret;
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}
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const struct spirv_compiler_fns spirv_nvidia_builtin = {
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.compile_glsl = nv_glsl_compile,
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.init = nv_glsl_init,
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};
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