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radeonsi: add support for loading bindless samplers 

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Samuel Pitoiset 2017-03-30 17:34:49 +02:00
parent 0c2834c5b2
commit 950b5ffa31
1 changed files with 12 additions and 3 deletions
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15
src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
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@ -1206,6 +1206,18 @@ static void tex_fetch_ptrs(
si_get_sampler_slot(reg->Register.Index), 0);
}
if (reg->Register.File != TGSI_FILE_SAMPLER) {
struct gallivm_state *gallivm = &ctx->gallivm;
LLVMBuilderRef builder = gallivm->builder;
LLVMValueRef ptr =
lp_build_emit_fetch_src(bld_base, reg,
TGSI_TYPE_UNSIGNED64, 0);
list = LLVMBuildIntToPtr(builder, ptr,
si_const_array(ctx->v8i32, 0), "");
index = LLVMConstInt(ctx->i32, 0, 0);
}
if (target == TGSI_TEXTURE_BUFFER)
*res_ptr = load_sampler_desc(ctx, list, index, DESC_BUFFER);
else
@ -1783,9 +1795,6 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action *action,
/* The hardware needs special lowering for Gather4 with integer formats. */
if (ctx->screen->b.chip_class <= VI &&
opcode == TGSI_OPCODE_TG4) {
const unsigned src_idx = 2;
assert(inst->Src[src_idx].Register.File == TGSI_FILE_SAMPLER);
assert(inst->Texture.ReturnType != TGSI_RETURN_TYPE_UNKNOWN);
if (inst->Texture.ReturnType == TGSI_RETURN_TYPE_SINT ||