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tu: handle half-reg fs outputs 

This would allow to enable translation of RelaxedPrecision spirv
variable decorator into mediump which for us means fp16.

Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12067>
This commit is contained in:
Danylo Piliaiev 2021-07-26 18:09:12 +03:00 committed by Marge Bot
parent 1387d1d411
commit b45cddda18
1 changed files with 2 additions and 3 deletions
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5
src/freedreno/vulkan/tu_pipeline.c
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@ -1439,10 +1439,9 @@ tu6_emit_fs_outputs(struct tu_cs *cs,
tu_cs_emit_pkt4(cs, REG_A6XX_SP_FS_OUTPUT_REG(0), 8);
for (uint32_t i = 0; i < ARRAY_SIZE(fragdata_regid); i++) {
// TODO we could have a mix of half and full precision outputs,
// we really need to figure out half-precision from IR3_REG_HALF
tu_cs_emit(cs, A6XX_SP_FS_OUTPUT_REG_REGID(fragdata_regid[i]) |
(false ? A6XX_SP_FS_OUTPUT_REG_HALF_PRECISION : 0));
(COND(fragdata_regid[i] & HALF_REG_ID,
A6XX_SP_FS_OUTPUT_REG_HALF_PRECISION)));
if (VALIDREG(fragdata_regid[i])) {
fs_render_components |= 0xf << (i * 4);