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anv/state: enable coordinate address rounding for Min/Mag filters

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This patch improves pass rate of dEQP-VK.texture.explicit_lod.2d.sizes.*
from 68.0% (98/144) to 83.3% (120/144) by enabling sampler address
rounding mode when the selected filter is not nearest, which is the same
thing we do for OpenGL.

These tests check texture filtering for various texture sizes and mipmap
levels. The failures (without this patch) affect cases where the target
texture has odd dimensions (like 57x35) and either the Min or the Mag filter
is not nearest.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Iago Toral Quiroga
2016-11-18 13:44:27 +01:00
parent a8b85f1f77
commit 39c47e7698
1 changed files with 11 additions and 6 deletions
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17
src/intel/vulkan/genX_state.c
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@@ -167,6 +167,11 @@ VkResult genX(CreateSampler)(
uint32_t border_color_offset = device->border_colors.offset +
pCreateInfo->borderColor * 64;
bool enable_min_filter_addr_rounding =
pCreateInfo->minFilter != VK_FILTER_NEAREST;
bool enable_mag_filter_addr_rounding =
pCreateInfo->magFilter != VK_FILTER_NEAREST;
struct GENX(SAMPLER_STATE) sampler_state = {
.SamplerDisable = false,
.TextureBorderColorMode = DX10OGL,
@@ -202,12 +207,12 @@ VkResult genX(CreateSampler)(
#endif
.MaximumAnisotropy = vk_to_gen_max_anisotropy(pCreateInfo->maxAnisotropy),
.RAddressMinFilterRoundingEnable = 0,
.RAddressMagFilterRoundingEnable = 0,
.VAddressMinFilterRoundingEnable = 0,
.VAddressMagFilterRoundingEnable = 0,
.UAddressMinFilterRoundingEnable = 0,
.UAddressMagFilterRoundingEnable = 0,
.RAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
.RAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
.VAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
.VAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
.UAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
.UAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
.TrilinearFilterQuality = 0,
.NonnormalizedCoordinateEnable = pCreateInfo->unnormalizedCoordinates,
.TCXAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeU],