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authorKasireddy, Vivek <[email protected]>2019-02-12 16:02:20 -0800
committerLionel Landwerlin <[email protected]>2019-02-26 13:08:51 +0000
commit78fb3fd17ec8cccaa2a0072487f5a89fffd8f8e3 (patch)
tree7b7bf3d20249522b3c0c9520791f6a5d0f912a67 /src/compiler/nir
parent913d711e0f3ff2a565dadc0bd994b404b3f4cbc3 (diff)
nir/lower_tex: Add support for XYUV lowering
The memory layout associated with this format would be: Byte: 0 1 2 3 Component: V U Y X Signed-off-by: Vivek Kasireddy <[email protected]> Reviewed-by: Lionel Landwerlin <[email protected]> Reviewed-by: Tapani Pälli <[email protected]> Reviewed-by: Eric Engestrom <[email protected]>
Diffstat (limited to 'src/compiler/nir')
-rw-r--r--src/compiler/nir/nir.h1
-rw-r--r--src/compiler/nir/nir_lower_tex.c20
2 files changed, 21 insertions, 0 deletions
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 190b7af7c28..3403f841939 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -3058,6 +3058,7 @@ typedef struct nir_lower_tex_options {
unsigned lower_yx_xuxv_external;
unsigned lower_xy_uxvx_external;
unsigned lower_ayuv_external;
+ unsigned lower_xyuv_external;
/**
* To emulate certain texture wrap modes, this can be used
diff --git a/src/compiler/nir/nir_lower_tex.c b/src/compiler/nir/nir_lower_tex.c
index c9fe0d74f6c..7c6eafed2f9 100644
--- a/src/compiler/nir/nir_lower_tex.c
+++ b/src/compiler/nir/nir_lower_tex.c
@@ -451,6 +451,21 @@ lower_ayuv_external(nir_builder *b, nir_tex_instr *tex,
nir_channel(b, ayuv, 3));
}
+static void
+lower_xyuv_external(nir_builder *b, nir_tex_instr *tex,
+ const nir_lower_tex_options *options)
+{
+ b->cursor = nir_after_instr(&tex->instr);
+
+ nir_ssa_def *xyuv = sample_plane(b, tex, 0, options);
+
+ convert_yuv_to_rgb(b, tex,
+ nir_channel(b, xyuv, 2),
+ nir_channel(b, xyuv, 1),
+ nir_channel(b, xyuv, 0),
+ nir_imm_float(b, 1.0f));
+}
+
/*
* Converts a nir_texop_txd instruction to nir_texop_txl with the given lod
* computed from the gradients.
@@ -958,6 +973,11 @@ nir_lower_tex_block(nir_block *block, nir_builder *b,
progress = true;
}
+ if ((1 << tex->texture_index) & options->lower_xyuv_external) {
+ lower_xyuv_external(b, tex, options);
+ progress = true;
+ }
+
if (sat_mask) {
saturate_src(b, tex, sat_mask);
progress = true;