79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
#include <kinc/graphics5/sampler.h>
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static VkCompareOp convert_compare_mode(kinc_g5_compare_mode_t compare);
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static VkSamplerAddressMode convert_addressing(kinc_g5_texture_addressing_t mode) {
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switch (mode) {
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case KINC_G5_TEXTURE_ADDRESSING_REPEAT:
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return VK_SAMPLER_ADDRESS_MODE_REPEAT;
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case KINC_G5_TEXTURE_ADDRESSING_BORDER:
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return VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER;
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case KINC_G5_TEXTURE_ADDRESSING_CLAMP:
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return VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
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case KINC_G5_TEXTURE_ADDRESSING_MIRROR:
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return VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT;
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default:
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assert(false);
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return VK_SAMPLER_ADDRESS_MODE_REPEAT;
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}
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}
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static VkSamplerMipmapMode convert_mipmap_mode(kinc_g5_mipmap_filter_t filter) {
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switch (filter) {
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case KINC_G5_MIPMAP_FILTER_NONE:
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case KINC_G5_MIPMAP_FILTER_POINT:
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return VK_SAMPLER_MIPMAP_MODE_NEAREST;
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case KINC_G5_MIPMAP_FILTER_LINEAR:
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return VK_SAMPLER_MIPMAP_MODE_LINEAR;
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default:
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assert(false);
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return VK_SAMPLER_MIPMAP_MODE_NEAREST;
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}
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}
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static VkFilter convert_texture_filter(kinc_g5_texture_filter_t filter) {
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switch (filter) {
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case KINC_G5_TEXTURE_FILTER_POINT:
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return VK_FILTER_NEAREST;
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case KINC_G5_TEXTURE_FILTER_LINEAR:
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return VK_FILTER_LINEAR;
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case KINC_G5_TEXTURE_FILTER_ANISOTROPIC:
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return VK_FILTER_LINEAR; // ?
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default:
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assert(false);
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return VK_FILTER_NEAREST;
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}
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}
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void kinc_g5_sampler_init(kinc_g5_sampler_t *sampler, const kinc_g5_sampler_options_t *options) {
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VkSamplerCreateInfo info = {0};
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info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
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info.pNext = NULL;
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info.flags = 0;
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info.addressModeU = convert_addressing(options->u_addressing);
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info.addressModeV = convert_addressing(options->v_addressing);
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info.addressModeW = convert_addressing(options->w_addressing);
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info.mipmapMode = convert_mipmap_mode(options->mipmap_filter);
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info.magFilter = convert_texture_filter(options->magnification_filter);
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info.minFilter = convert_texture_filter(options->minification_filter);
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info.compareEnable = options->is_comparison;
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info.compareOp = convert_compare_mode(options->compare_mode);
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info.anisotropyEnable =
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(options->magnification_filter == KINC_G5_TEXTURE_FILTER_ANISOTROPIC || options->minification_filter == KINC_G5_TEXTURE_FILTER_ANISOTROPIC);
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info.maxAnisotropy = options->max_anisotropy;
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info.maxLod = options->lod_max_clamp;
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info.minLod = options->lod_min_clamp;
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vkCreateSampler(vk_ctx.device, &info, NULL, &sampler->impl.sampler);
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}
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void kinc_g5_sampler_destroy(kinc_g5_sampler_t *sampler) {
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vkDestroySampler(vk_ctx.device, sampler->impl.sampler, NULL);
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}
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