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ac/llvm: remove deref chasing for tg4 integer workaround

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12773>
This commit is contained in:
Rhys Perry
2022-03-17 12:56:18 +00:00
committed by Marge Bot
parent dc4df0ce8b
commit 53ccb2a9a7
1 changed files with 9 additions and 31 deletions
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40
src/amd/llvm/ac_nir_to_llvm.c
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@@ -1408,16 +1408,15 @@ static LLVMValueRef get_buffer_size(struct ac_nir_context *ctx, LLVMValueRef des
* runtime. In this case, return an i1 value that indicates whether the
* descriptor was overridden (and hence a fixup of the sampler result is needed).
*/
static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx, nir_variable *var,
struct ac_image_args *args, const nir_tex_instr *instr)
static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx, struct ac_image_args *args,
const nir_tex_instr *instr)
{
const struct glsl_type *type = glsl_without_array(var->type);
enum glsl_base_type stype = glsl_get_sampler_result_type(type);
nir_alu_type stype = nir_alu_type_get_base_type(instr->dest_type);
LLVMValueRef wa_8888 = NULL;
LLVMValueRef half_texel[2];
LLVMValueRef result;
assert(stype == GLSL_TYPE_INT || stype == GLSL_TYPE_UINT);
assert(stype == nir_type_int || stype == nir_type_uint);
if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE) {
LLVMValueRef formats;
@@ -1432,7 +1431,7 @@ static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx, nir_varia
wa_8888 = LLVMBuildICmp(ctx->builder, LLVMIntEQ, data_format,
LLVMConstInt(ctx->i32, V_008F14_IMG_DATA_FORMAT_8_8_8_8, false), "");
uint32_t wa_num_format = stype == GLSL_TYPE_UINT
uint32_t wa_num_format = stype == nir_type_uint
? S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_USCALED)
: S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_SSCALED);
wa_formats = LLVMBuildAnd(ctx->builder, formats,
@@ -1523,7 +1522,7 @@ static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx, nir_varia
/* if the cube workaround is in place, f2i the result. */
for (unsigned c = 0; c < 4; c++) {
tmp = LLVMBuildExtractElement(ctx->builder, result, LLVMConstInt(ctx->i32, c, false), "");
if (stype == GLSL_TYPE_UINT)
if (stype == nir_type_uint)
tmp2 = LLVMBuildFPToUI(ctx->builder, tmp, ctx->i32, "");
else
tmp2 = LLVMBuildFPToSI(ctx->builder, tmp, ctx->i32, "");
@@ -1538,22 +1537,6 @@ static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx, nir_varia
return result;
}
static nir_deref_instr *get_tex_texture_deref(const nir_tex_instr *instr)
{
nir_deref_instr *texture_deref_instr = NULL;
for (unsigned i = 0; i < instr->num_srcs; i++) {
switch (instr->src[i].src_type) {
case nir_tex_src_texture_deref:
texture_deref_instr = nir_src_as_deref(instr->src[i].src);
break;
default:
break;
}
}
return texture_deref_instr;
}
static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx, const nir_tex_instr *instr,
struct ac_image_args *args)
{
@@ -1621,14 +1604,9 @@ static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx, const nir_te
if (!ctx->ac.info->has_3d_cube_border_color_mipmap)
args->level_zero = false;
if (instr->op == nir_texop_tg4 && ctx->ac.chip_class <= GFX8) {
nir_deref_instr *texture_deref_instr = get_tex_texture_deref(instr);
nir_variable *var = nir_deref_instr_get_variable(texture_deref_instr);
const struct glsl_type *type = glsl_without_array(var->type);
enum glsl_base_type stype = glsl_get_sampler_result_type(type);
if (stype == GLSL_TYPE_UINT || stype == GLSL_TYPE_INT) {
return lower_gather4_integer(&ctx->ac, var, args, instr);
}
if (instr->op == nir_texop_tg4 && ctx->ac.chip_class <= GFX8 &&
(instr->dest_type & (nir_type_int | nir_type_uint))) {
return lower_gather4_integer(&ctx->ac, args, instr);
}
/* Fixup for GFX9 which allocates 1D textures as 2D. */