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authorBas Nieuwenhuizen <[email protected]>2019-03-30 03:15:32 +0100
committerBas Nieuwenhuizen <[email protected]>2019-04-25 19:56:20 +0000
commit427024bf2e9a0464fae1481d81c59579fcc506cf (patch)
tree74aa0dbe3d953f5c3b4d53cc2cf1e4a7ffcc0f5f /src
parentdc917c80736715ac271471289f04654f1d578158 (diff)
ac/nir: Add support for planes.
Reviewed-by: Samuel Pitoiset <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/amd/common/ac_nir_to_llvm.c20
-rw-r--r--src/amd/common/ac_shader_abi.h3
-rw-r--r--src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c7
3 files changed, 26 insertions, 4 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 78f25b8e742..92aea7df9bf 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -3593,6 +3593,7 @@ static void tex_fetch_ptrs(struct ac_nir_context *ctx,
{
nir_deref_instr *texture_deref_instr = NULL;
nir_deref_instr *sampler_deref_instr = NULL;
+ int plane = -1;
for (unsigned i = 0; i < instr->num_srcs; i++) {
switch (instr->src[i].src_type) {
@@ -3602,6 +3603,9 @@ static void tex_fetch_ptrs(struct ac_nir_context *ctx,
case nir_tex_src_sampler_deref:
sampler_deref_instr = nir_src_as_deref(instr->src[i].src);
break;
+ case nir_tex_src_plane:
+ plane = nir_src_as_int(instr->src[i].src);
+ break;
default:
break;
}
@@ -3610,10 +3614,18 @@ static void tex_fetch_ptrs(struct ac_nir_context *ctx,
if (!sampler_deref_instr)
sampler_deref_instr = texture_deref_instr;
- if (instr->sampler_dim == GLSL_SAMPLER_DIM_BUF)
- *res_ptr = get_sampler_desc(ctx, texture_deref_instr, AC_DESC_BUFFER, &instr->instr, false, false);
- else
- *res_ptr = get_sampler_desc(ctx, texture_deref_instr, AC_DESC_IMAGE, &instr->instr, false, false);
+ enum ac_descriptor_type main_descriptor = instr->sampler_dim == GLSL_SAMPLER_DIM_BUF ? AC_DESC_BUFFER : AC_DESC_IMAGE;
+
+ if (plane >= 0) {
+ assert(instr->op != nir_texop_txf_ms &&
+ instr->op != nir_texop_samples_identical);
+ assert(instr->sampler_dim != GLSL_SAMPLER_DIM_BUF);
+
+ main_descriptor = AC_DESC_PLANE_0 + plane;
+ }
+
+ *res_ptr = get_sampler_desc(ctx, texture_deref_instr, main_descriptor, &instr->instr, false, false);
+
if (samp_ptr) {
*samp_ptr = get_sampler_desc(ctx, sampler_deref_instr, AC_DESC_SAMPLER, &instr->instr, false, false);
if (instr->sampler_dim < GLSL_SAMPLER_DIM_RECT)
diff --git a/src/amd/common/ac_shader_abi.h b/src/amd/common/ac_shader_abi.h
index c9b2c2eb4b8..108fe58ce57 100644
--- a/src/amd/common/ac_shader_abi.h
+++ b/src/amd/common/ac_shader_abi.h
@@ -39,6 +39,9 @@ enum ac_descriptor_type {
AC_DESC_FMASK,
AC_DESC_SAMPLER,
AC_DESC_BUFFER,
+ AC_DESC_PLANE_0,
+ AC_DESC_PLANE_1,
+ AC_DESC_PLANE_2,
};
/* Document the shader ABI during compilation. This is what allows radeonsi and
diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
index ed67976b421..eb90bfb10ff 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
@@ -1089,6 +1089,13 @@ LLVMValueRef si_load_sampler_desc(struct si_shader_context *ctx,
list = LLVMBuildPointerCast(builder, list,
ac_array_in_const32_addr_space(ctx->v4i32), "");
break;
+ case AC_DESC_PLANE_0:
+ case AC_DESC_PLANE_1:
+ case AC_DESC_PLANE_2:
+ /* Only used for the multiplane image support for Vulkan. Should
+ * never be reached in radeonsi.
+ */
+ unreachable("Plane descriptor requested in radeonsi.");
}
return ac_build_load_to_sgpr(&ctx->ac, list, index);