Module: Mesa
Branch: master
Commit: 2deb82207572d47ab1b35fc47768536ad34a875e
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=2deb82207572d47ab1b35fc47768536ad34a875e
Author: Timothy Arceri <tarc...@itsqueeze.com>
Date: Wed Dec 6 11:51:51 2017 +1100
ac: add store_tcs_outputs() to the abi
Reviewed-by: Nicolai Hähnle <nicolai.haeh...@amd.com>
Reviewed-by: Marek Olšák <marek.ol...@amd.com>
---
src/amd/common/ac_nir_to_llvm.c | 63 +++++++++++++++++++++++++----------------
src/amd/common/ac_shader_abi.h | 12 ++++++++
2 files changed, 51 insertions(+), 24 deletions(-)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 8c6a276da6..5bd2f28ca0 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -2902,65 +2902,64 @@ load_tcs_output(struct nir_to_llvm_context *ctx,
}
static void
-store_tcs_output(struct nir_to_llvm_context *ctx,
- nir_intrinsic_instr *instr,
+store_tcs_output(struct ac_shader_abi *abi,
+ LLVMValueRef vertex_index,
+ LLVMValueRef param_index,
+ unsigned const_index,
+ unsigned location,
+ unsigned driver_location,
LLVMValueRef src,
+ unsigned component,
+ bool is_patch,
+ bool is_compact,
unsigned writemask)
{
+ struct nir_to_llvm_context *ctx = nir_to_llvm_context_from_abi(abi);
LLVMValueRef dw_addr;
LLVMValueRef stride = NULL;
LLVMValueRef buf_addr = NULL;
- LLVMValueRef vertex_index = NULL;
- LLVMValueRef indir_index = NULL;
- unsigned const_index = 0;
unsigned param;
- const unsigned comp = instr->variables[0]->var->data.location_frac;
- const bool per_vertex = nir_is_per_vertex_io(instr->variables[0]->var,
ctx->stage);
- const bool is_compact = instr->variables[0]->var->data.compact;
bool store_lds = true;
- if (instr->variables[0]->var->data.patch) {
- if (!(ctx->tcs_patch_outputs_read & (1U <<
(instr->variables[0]->var->data.location - VARYING_SLOT_PATCH0))))
+ if (is_patch) {
+ if (!(ctx->tcs_patch_outputs_read & (1U << (location -
VARYING_SLOT_PATCH0))))
store_lds = false;
} else {
- if (!(ctx->tcs_outputs_read & (1ULL <<
instr->variables[0]->var->data.location)))
+ if (!(ctx->tcs_outputs_read & (1ULL << location)))
store_lds = false;
}
- get_deref_offset(ctx->nir, instr->variables[0],
- false, NULL, per_vertex ? &vertex_index : NULL,
- &const_index, &indir_index);
- param =
shader_io_get_unique_index(instr->variables[0]->var->data.location);
- if (instr->variables[0]->var->data.location == VARYING_SLOT_CLIP_DIST0
&&
+ param = shader_io_get_unique_index(location);
+ if (location == VARYING_SLOT_CLIP_DIST0 &&
is_compact && const_index > 3) {
const_index -= 3;
param++;
}
- if (!instr->variables[0]->var->data.patch) {
+ if (!is_patch) {
stride = unpack_param(&ctx->ac, ctx->tcs_out_layout, 13, 8);
dw_addr = get_tcs_out_current_patch_offset(ctx);
} else {
dw_addr = get_tcs_out_current_patch_data_offset(ctx);
}
- mark_tess_output(ctx, instr->variables[0]->var->data.patch, param);
+ mark_tess_output(ctx, is_patch, param);
dw_addr = get_dw_address(ctx, dw_addr, param, const_index, is_compact,
vertex_index, stride,
- indir_index);
+ param_index);
buf_addr = get_tcs_tes_buffer_address_params(ctx, param, const_index,
is_compact,
- vertex_index, indir_index);
+ vertex_index, param_index);
bool is_tess_factor = false;
- if (instr->variables[0]->var->data.location ==
VARYING_SLOT_TESS_LEVEL_INNER ||
- instr->variables[0]->var->data.location ==
VARYING_SLOT_TESS_LEVEL_OUTER)
+ if (location == VARYING_SLOT_TESS_LEVEL_INNER ||
+ location == VARYING_SLOT_TESS_LEVEL_OUTER)
is_tess_factor = true;
unsigned base = is_compact ? const_index : 0;
for (unsigned chan = 0; chan < 8; chan++) {
if (!(writemask & (1 << chan)))
continue;
- LLVMValueRef value = llvm_extract_elem(&ctx->ac, src, chan -
comp);
+ LLVMValueRef value = llvm_extract_elem(&ctx->ac, src, chan -
component);
if (store_lds || is_tess_factor)
ac_lds_store(&ctx->ac, dw_addr, value);
@@ -3267,7 +3266,22 @@ visit_store_var(struct ac_nir_context *ctx,
case nir_var_shader_out:
if (ctx->stage == MESA_SHADER_TESS_CTRL) {
- store_tcs_output(ctx->nctx, instr, src, writemask);
+ LLVMValueRef vertex_index = NULL;
+ LLVMValueRef indir_index = NULL;
+ unsigned const_index = 0;
+ const unsigned location =
instr->variables[0]->var->data.location;
+ const unsigned driver_location =
instr->variables[0]->var->data.driver_location;
+ const unsigned comp =
instr->variables[0]->var->data.location_frac;
+ const bool is_patch =
instr->variables[0]->var->data.patch;
+ const bool is_compact =
instr->variables[0]->var->data.compact;
+
+ get_deref_offset(ctx, instr->variables[0],
+ false, NULL, is_patch ? NULL :
&vertex_index,
+ &const_index, &indir_index);
+
+ ctx->abi->store_tcs_outputs(ctx->abi, vertex_index,
indir_index,
+ const_index, location,
driver_location,
+ src, comp, is_patch,
is_compact, writemask);
return;
}
@@ -6693,6 +6707,7 @@ LLVMModuleRef
ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
ctx.tcs_outputs_read = shaders[i]->info.outputs_read;
ctx.tcs_patch_outputs_read =
shaders[i]->info.patch_outputs_read;
ctx.abi.load_tess_inputs = load_tcs_input;
+ ctx.abi.store_tcs_outputs = store_tcs_output;
} else if (shaders[i]->info.stage == MESA_SHADER_TESS_EVAL) {
ctx.tes_primitive_mode =
shaders[i]->info.tess.primitive_mode;
ctx.abi.load_tess_inputs = load_tes_input;
diff --git a/src/amd/common/ac_shader_abi.h b/src/amd/common/ac_shader_abi.h
index 16cdde02d4..fd2ec06fb1 100644
--- a/src/amd/common/ac_shader_abi.h
+++ b/src/amd/common/ac_shader_abi.h
@@ -84,6 +84,18 @@ struct ac_shader_abi {
bool is_patch,
bool is_compact);
+ void (*store_tcs_outputs)(struct ac_shader_abi *abi,
+ LLVMValueRef vertex_index,
+ LLVMValueRef param_index,
+ unsigned const_index,
+ unsigned location,
+ unsigned driver_location,
+ LLVMValueRef src,
+ unsigned component,
+ bool is_patch,
+ bool is_compact,
+ unsigned writemask);
+
LLVMValueRef (*load_ubo)(struct ac_shader_abi *abi, LLVMValueRef index);
/**
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