From: Marek Olšák <marek.ol...@amd.com>
---
src/gallium/drivers/radeonsi/si_shader.c | 34 ++++++++++++++++++++++++++++----
1 file changed, 30 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index 335e43b..b4d4f22 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -1652,11 +1652,37 @@ static void tex_fetch_args(
/* Pack user derivatives */
if (opcode == TGSI_OPCODE_TXD) {
- for (chan = 0; chan < 2; chan++) {
- address[count++] = lp_build_emit_fetch(bld_base, inst,
1, chan);
- if (num_coords > 1)
- address[count++] =
lp_build_emit_fetch(bld_base, inst, 2, chan);
+ int num_deriv_channels, param;
+
+ switch (target) {
+ case TGSI_TEXTURE_3D:
+ num_deriv_channels = 3;
+ break;
+ case TGSI_TEXTURE_2D:
+ case TGSI_TEXTURE_SHADOW2D:
+ case TGSI_TEXTURE_RECT:
+ case TGSI_TEXTURE_SHADOWRECT:
+ case TGSI_TEXTURE_2D_ARRAY:
+ case TGSI_TEXTURE_SHADOW2D_ARRAY:
+ case TGSI_TEXTURE_CUBE:
+ case TGSI_TEXTURE_SHADOWCUBE:
+ case TGSI_TEXTURE_CUBE_ARRAY:
+ case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
+ num_deriv_channels = 2;
+ break;
+ case TGSI_TEXTURE_1D:
+ case TGSI_TEXTURE_SHADOW1D:
+ case TGSI_TEXTURE_1D_ARRAY:
+ case TGSI_TEXTURE_SHADOW1D_ARRAY:
+ num_deriv_channels = 1;
+ break;
+ default:
+ assert(0); /* no other targets are valid here */
}
+
+ for (param = 1; param <= 2; param++)
+ for (chan = 0; chan < num_deriv_channels; chan++)
+ address[count++] =
lp_build_emit_fetch(bld_base, inst, param, chan);
}
/* Pack texture coordinates */
--
1.9.1
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