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llvmpipe: add support for tg4 component selection.

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This is needed as part of GLES3.1 and helps for ARB_gpu_shader5.

Fixes: KHR-GLES31.core.texture_gather.* cases
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie 2019-10-09 13:12:31 +10:00 • committed by Dave Airlie
parent a70f0a8841
commit 05b008c961
2 changed files with 5 additions and 0 deletions
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4
src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
View file

@ -2237,6 +2237,10 @@ emit_tex( struct lp_build_tgsi_soa_context *bld,
lod_property = lp_build_lod_property(&bld->bld_base, inst, 0);
}
if (sampler_op == LP_SAMPLER_OP_GATHER) {
uint32_t comp_val = inst->Src[sampler_reg].Register.SwizzleX;
sample_key |= (comp_val << LP_SAMPLER_GATHER_COMP_SHIFT);
}
if (modifier == LP_BLD_TEX_MODIFIER_PROJECTED) {
oow = lp_build_emit_fetch(&bld->bld_base, inst, 0, 3);
oow = lp_build_rcp(&bld->bld_base.base, oow);

1
src/gallium/drivers/llvmpipe/lp_screen.c
View file

@ -388,6 +388,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
return LP_MAX_TGSI_SHADER_BUFFER_SIZE;
case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE:
return 1;
default:
return u_pipe_screen_get_param_defaults(screen, param);