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isl: fix VA64 support for double and dvecN vertex attributes

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We use *64*_PASSTHRU formats to upload vertex attributes of 64 bits
to avoid conversions. From the BDW PRM, Volume 2d, page 586
(VERTEX_ELEMENT_STATE):

     "When SourceElementFormat is set to one of the *64*_PASSTHRU
     formats, 64-bit components are stored in the URB without any
     conversion. In this case, vertex elements must be written as 128
     or 256 bits, with VFCOMP_STORE_0 being used to pad the output
     as required. E.g., if R64_PASSTHRU is used to copy a 64-bit Red
     component into the URB, Component 1 must be specified as
     VFCOMP_STORE_0 (with Components 2,3 set to VFCOMP_NOSTORE)
     in order to output a 128-bit vertex element, or Components 1-3 must
     be specified as VFCOMP_STORE_0 in order to output a 256-bit vertex
     element. Likewise, use of R64G64B64_PASSTHRU requires Component 3
     to be specified as VFCOMP_STORE_0 in order to output a 256-bit vertex
     element."

v2,v3 (Jason):
- Don't delete unused formats.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Samuel Iglesias Gonsálvez
2016-11-15 12:49:38 +01:00
parent 1c9483f48e
commit 3551a2d3ad
2 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/intel/vulkan/anv_formats.c
View File

@@ -156,16 +156,16 @@ static const struct anv_format anv_formats[] = {
fmt(VK_FORMAT_R32G32B32A32_SFLOAT, ISL_FORMAT_R32G32B32A32_FLOAT),
fmt(VK_FORMAT_R64_UINT, ISL_FORMAT_R64_PASSTHRU),
fmt(VK_FORMAT_R64_SINT, ISL_FORMAT_R64_PASSTHRU),
fmt(VK_FORMAT_R64_SFLOAT, ISL_FORMAT_R64_FLOAT),
fmt(VK_FORMAT_R64_SFLOAT, ISL_FORMAT_R64_PASSTHRU),
fmt(VK_FORMAT_R64G64_UINT, ISL_FORMAT_R64G64_PASSTHRU),
fmt(VK_FORMAT_R64G64_SINT, ISL_FORMAT_R64G64_PASSTHRU),
fmt(VK_FORMAT_R64G64_SFLOAT, ISL_FORMAT_R64G64_FLOAT),
fmt(VK_FORMAT_R64G64_SFLOAT, ISL_FORMAT_R64G64_PASSTHRU),
fmt(VK_FORMAT_R64G64B64_UINT, ISL_FORMAT_R64G64B64_PASSTHRU),
fmt(VK_FORMAT_R64G64B64_SINT, ISL_FORMAT_R64G64B64_PASSTHRU),
fmt(VK_FORMAT_R64G64B64_SFLOAT, ISL_FORMAT_R64G64B64_FLOAT),
fmt(VK_FORMAT_R64G64B64_SFLOAT, ISL_FORMAT_R64G64B64_PASSTHRU),
fmt(VK_FORMAT_R64G64B64A64_UINT, ISL_FORMAT_R64G64B64A64_PASSTHRU),
fmt(VK_FORMAT_R64G64B64A64_SINT, ISL_FORMAT_R64G64B64A64_PASSTHRU),
fmt(VK_FORMAT_R64G64B64A64_SFLOAT, ISL_FORMAT_R64G64B64A64_FLOAT),
fmt(VK_FORMAT_R64G64B64A64_SFLOAT, ISL_FORMAT_R64G64B64A64_PASSTHRU),
fmt(VK_FORMAT_B10G11R11_UFLOAT_PACK32, ISL_FORMAT_R11G11B10_FLOAT),
fmt(VK_FORMAT_E5B9G9R9_UFLOAT_PACK32, ISL_FORMAT_R9G9B9E5_SHAREDEXP),