AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ac: unify primitive export code

Browse Source 
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
This commit is contained in:
Marek Olšák
2019-12-23 19:26:46 -05:00
parent 1c77a18cc2
commit d1c8aeb24f
4 changed files with 78 additions and 113 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/amd/llvm/ac_llvm_build.c
+53
View File
@@ -4748,6 +4748,59 @@ void ac_build_sendmsg_gs_alloc_req(struct ac_llvm_context *ctx, LLVMValueRef wav
ac_build_endif(ctx, 5020);
}
LLVMValueRef ac_pack_prim_export(struct ac_llvm_context *ctx,
const struct ac_ngg_prim *prim)
{
/* The prim export format is:
* - bits 0..8: index 0
* - bit 9: edge flag 0
* - bits 10..18: index 1
* - bit 19: edge flag 1
* - bits 20..28: index 2
* - bit 29: edge flag 2
* - bit 31: null primitive (skip)
*/
LLVMBuilderRef builder = ctx->builder;
LLVMValueRef tmp = LLVMBuildZExt(builder, prim->isnull, ctx->i32, "");
LLVMValueRef result = LLVMBuildShl(builder, tmp, LLVMConstInt(ctx->i32, 31, false), "");
for (unsigned i = 0; i < prim->num_vertices; ++i) {
tmp = LLVMBuildShl(builder, prim->index[i],
LLVMConstInt(ctx->i32, 10 * i, false), "");
result = LLVMBuildOr(builder, result, tmp, "");
tmp = LLVMBuildZExt(builder, prim->edgeflag[i], ctx->i32, "");
tmp = LLVMBuildShl(builder, tmp,
LLVMConstInt(ctx->i32, 10 * i + 9, false), "");
result = LLVMBuildOr(builder, result, tmp, "");
}
return result;
}
void ac_build_export_prim(struct ac_llvm_context *ctx,
const struct ac_ngg_prim *prim)
{
struct ac_export_args args;
if (prim->passthrough) {
args.out[0] = prim->passthrough;
} else {
args.out[0] = ac_pack_prim_export(ctx, prim);
}
args.out[0] = LLVMBuildBitCast(ctx->builder, args.out[0], ctx->f32, "");
args.out[1] = LLVMGetUndef(ctx->f32);
args.out[2] = LLVMGetUndef(ctx->f32);
args.out[3] = LLVMGetUndef(ctx->f32);
args.target = V_008DFC_SQ_EXP_PRIM;
args.enabled_channels = 1;
args.done = true;
args.valid_mask = false;
args.compr = false;
ac_build_export(ctx, &args);
}
static LLVMTypeRef
arg_llvm_type(enum ac_arg_type type, unsigned size, struct ac_llvm_context *ctx)
{
src/amd/llvm/ac_llvm_build.h
+13
View File
@@ -750,6 +750,19 @@ ac_export_mrt_z(struct ac_llvm_context *ctx, LLVMValueRef depth,
void ac_build_sendmsg_gs_alloc_req(struct ac_llvm_context *ctx, LLVMValueRef wave_id,
LLVMValueRef vtx_cnt, LLVMValueRef prim_cnt);
struct ac_ngg_prim {
unsigned num_vertices;
LLVMValueRef isnull;
LLVMValueRef index[3];
LLVMValueRef edgeflag[3];
LLVMValueRef passthrough;
};
LLVMValueRef ac_pack_prim_export(struct ac_llvm_context *ctx,
const struct ac_ngg_prim *prim);
void ac_build_export_prim(struct ac_llvm_context *ctx,
const struct ac_ngg_prim *prim);
static inline LLVMValueRef
ac_get_arg(struct ac_llvm_context *ctx, struct ac_arg arg)
{