Module: Mesa
Branch: master
Commit: 05b008c961faf4de322bbf08a452893f01fb143d
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=05b008c961faf4de322bbf08a452893f01fb143d
Author: Dave Airlie <airl...@redhat.com>
Date: Wed Oct 9 13:12:31 2019 +1000
llvmpipe: add support for tg4 component selection.
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 <srol...@vmware.com>
---
src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 4 ++++
src/gallium/drivers/llvmpipe/lp_screen.c | 1 +
2 files changed, 5 insertions(+)
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 1f42c4ef549..9bfe41b9062 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -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);
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c
b/src/gallium/drivers/llvmpipe/lp_screen.c
index 96c7623c461..63c1793620d 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -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);
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