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aaf5706)
This is a requirement for the shaderResourceMinLod feature which
allows to clamp LOD. This uses all image_sample_*_cl variants.
All dEQP-VK.glsl.texture_functions.texture*clamp.* pass.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4989>
(a->lod ? 1 : 0) +
(a->level_zero ? 1 : 0) +
(a->derivs[0] ? 1 : 0) <= 1);
(a->lod ? 1 : 0) +
(a->level_zero ? 1 : 0) +
(a->derivs[0] ? 1 : 0) <= 1);
+ assert((a->min_lod ? 1 : 0) +
+ (a->lod ? 1 : 0) +
+ (a->level_zero ? 1 : 0) <= 1);
if (a->opcode == ac_image_get_lod) {
switch (dim) {
if (a->opcode == ac_image_get_lod) {
switch (dim) {
args[num_args++] = LLVMBuildBitCast(ctx->builder, a->coords[i], coord_type, "");
if (a->lod)
args[num_args++] = LLVMBuildBitCast(ctx->builder, a->lod, coord_type, "");
args[num_args++] = LLVMBuildBitCast(ctx->builder, a->coords[i], coord_type, "");
if (a->lod)
args[num_args++] = LLVMBuildBitCast(ctx->builder, a->lod, coord_type, "");
+ if (a->min_lod)
+ args[num_args++] = LLVMBuildBitCast(ctx->builder, a->min_lod, coord_type, "");
+
overload[num_overloads++] = sample ? ".f32" : ".i32";
args[num_args++] = a->resource;
overload[num_overloads++] = sample ? ".f32" : ".i32";
args[num_args++] = a->resource;
char intr_name[96];
snprintf(intr_name, sizeof(intr_name),
"llvm.amdgcn.image.%s%s" /* base name */
char intr_name[96];
snprintf(intr_name, sizeof(intr_name),
"llvm.amdgcn.image.%s%s" /* base name */
- "%s%s%s" /* sample/gather modifiers */
+ "%s%s%s%s" /* sample/gather modifiers */
".%s.%s%s%s%s", /* dimension and type overloads */
name, atomic_subop,
a->compare ? ".c" : "",
".%s.%s%s%s%s", /* dimension and type overloads */
name, atomic_subop,
a->compare ? ".c" : "",
lod_suffix ? ".l" :
a->derivs[0] ? ".d" :
a->level_zero ? ".lz" : "",
lod_suffix ? ".l" :
a->derivs[0] ? ".d" :
a->level_zero ? ".lz" : "",
+ a->min_lod ? ".cl" : "",
a->offset ? ".o" : "",
dimname,
atomic ? "i32" : "v4f32",
a->offset ? ".o" : "",
dimname,
atomic ? "i32" : "v4f32",
LLVMValueRef derivs[6];
LLVMValueRef coords[4];
LLVMValueRef lod; // also used by ac_image_get_resinfo
LLVMValueRef derivs[6];
LLVMValueRef coords[4];
LLVMValueRef lod; // also used by ac_image_get_resinfo
};
LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
};
LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
case nir_tex_src_ddy:
ddy = get_src(ctx, instr->src[i].src);
break;
case nir_tex_src_ddy:
ddy = get_src(ctx, instr->src[i].src);
break;
+ case nir_tex_src_min_lod:
+ args.min_lod = get_src(ctx, instr->src[i].src);
+ break;
case nir_tex_src_texture_offset:
case nir_tex_src_sampler_offset:
case nir_tex_src_plane:
case nir_tex_src_texture_offset:
case nir_tex_src_sampler_offset:
case nir_tex_src_plane: