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vk: Add support for anisotropic bits

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This commit is contained in:
Kristian Høgsberg Kristensen
2015-05-31 22:15:34 -07:00
parent dc56e4f7b8
commit 76bb658518
1 changed files with 15 additions and 7 deletions
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22
src/vulkan/device.c
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@@ -1688,6 +1688,7 @@ VkResult anv_CreateSampler(
{
struct anv_device *device = (struct anv_device *) _device;
struct anv_sampler *sampler;
uint32_t mag_filter, min_filter, max_anisotropy;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO);
@@ -1726,17 +1727,24 @@ VkResult anv_CreateSampler(
[VK_COMPARE_OP_ALWAYS] = PREFILTEROPALWAYS,
};
if (pCreateInfo->maxAnisotropy > 0)
anv_finishme("missing support for anisotropic filtering");
if (pCreateInfo->maxAnisotropy > 1) {
mag_filter = MAPFILTER_ANISOTROPIC;
min_filter = MAPFILTER_ANISOTROPIC;
max_anisotropy = (pCreateInfo->maxAnisotropy - 2) / 2;
} else {
mag_filter = vk_to_gen_tex_filter[pCreateInfo->magFilter];
min_filter = vk_to_gen_tex_filter[pCreateInfo->minFilter];
max_anisotropy = RATIO21;
}
struct GEN8_SAMPLER_STATE sampler_state = {
.SamplerDisable = false,
.TextureBorderColorMode = DX10OGL,
.LODPreClampMode = 0,
.BaseMipLevel = 0,
.MipModeFilter = vk_to_gen_mipmap_mode[pCreateInfo->mipMode],
.MagModeFilter = vk_to_gen_tex_filter[pCreateInfo->magFilter],
.MinModeFilter = vk_to_gen_tex_filter[pCreateInfo->minFilter],
.MagModeFilter = mag_filter,
.MinModeFilter = min_filter,
.TextureLODBias = pCreateInfo->mipLodBias * 256,
.AnisotropicAlgorithm = EWAApproximation,
.MinLOD = pCreateInfo->minLod * 256,
@@ -1749,10 +1757,10 @@ VkResult anv_CreateSampler(
.IndirectStatePointer =
device->float_border_colors.offset +
pCreateInfo->borderColor * sizeof(float) * 4;
pCreateInfo->borderColor * sizeof(float) * 4,
.LODClampMagnificationMode = MIPNONE,
.MaximumAnisotropy = 0,
.MaximumAnisotropy = max_anisotropy,
.RAddressMinFilterRoundingEnable = 0,
.RAddressMagFilterRoundingEnable = 0,
.VAddressMinFilterRoundingEnable = 0,