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glsl: add _textureCubeArrayShadow related sparse texture builtin func

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14362>
This commit is contained in:
Qiang Yu 2021-12-24 14:16:06 +08:00
parent 640f909862
commit a26dbfc24b
1 changed files with 31 additions and 12 deletions
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43
src/compiler/glsl/builtin_functions.cpp
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@ -1162,7 +1162,8 @@ private:
int flags = 0);
ir_function_signature *_textureCubeArrayShadow(ir_texture_opcode opcode,
builtin_available_predicate avail,
const glsl_type *x);
const glsl_type *x,
bool sparse = false);
ir_function_signature *_texelFetch(builtin_available_predicate avail,
const glsl_type *return_type,
const glsl_type *sampler_type,
@ -4020,6 +4021,8 @@ builtin_builder::create_builtins()
_texture(ir_tex, v130_desktop_and_sparse, glsl_type::float_type, glsl_type::sampler2DArrayShadow_type, glsl_type::vec4_type, TEX_SPARSE),
_textureCubeArrayShadow(ir_tex, texture_cube_map_array_and_sparse, glsl_type::samplerCubeArrayShadow_type, true),
_texture(ir_tex, v130_desktop_and_sparse, glsl_type::vec4_type, glsl_type::sampler2DRect_type, glsl_type::vec2_type, TEX_SPARSE),
_texture(ir_tex, v130_desktop_and_sparse, glsl_type::ivec4_type, glsl_type::isampler2DRect_type, glsl_type::vec2_type, TEX_SPARSE),
_texture(ir_tex, v130_desktop_and_sparse, glsl_type::uvec4_type, glsl_type::usampler2DRect_type, glsl_type::vec2_type, TEX_SPARSE),
@ -6940,32 +6943,48 @@ builtin_builder::_texture(ir_texture_opcode opcode,
ir_function_signature *
builtin_builder::_textureCubeArrayShadow(ir_texture_opcode opcode,
builtin_available_predicate avail,
const glsl_type *sampler_type)
const glsl_type *sampler_type,
bool sparse)
{
ir_variable *s = in_var(sampler_type, "sampler");
ir_variable *P = in_var(glsl_type::vec4_type, "P");
ir_variable *compare = in_var(glsl_type::float_type, "compare");
MAKE_SIG(glsl_type::float_type, avail, 3, s, P, compare);
const glsl_type *return_type = glsl_type::float_type;
/* Sparse texture return residency info. */
const glsl_type *type = sparse ? glsl_type::int_type : return_type;
MAKE_SIG(type, avail, 3, s, P, compare);
ir_texture *tex = new(mem_ctx) ir_texture(opcode);
tex->set_sampler(var_ref(s), glsl_type::float_type);
ir_texture *tex = new(mem_ctx) ir_texture(opcode, sparse);
tex->set_sampler(var_ref(s), return_type);
tex->coordinate = var_ref(P);
tex->shadow_comparator = var_ref(compare);
if (opcode == ir_txb) {
ir_variable *bias = in_var(glsl_type::float_type, "bias");
sig->parameters.push_tail(bias);
tex->lod_info.bias = var_ref(bias);
}
if (opcode == ir_txl) {
ir_variable *lod = in_var(glsl_type::float_type, "lod");
sig->parameters.push_tail(lod);
tex->lod_info.lod = var_ref(lod);
}
body.emit(ret(tex));
ir_variable *texel = NULL;
if (sparse) {
texel = out_var(return_type, "texel");
sig->parameters.push_tail(texel);
}
if (opcode == ir_txb) {
ir_variable *bias = in_var(glsl_type::float_type, "bias");
sig->parameters.push_tail(bias);
tex->lod_info.bias = var_ref(bias);
}
if (sparse) {
ir_variable *r = body.make_temp(tex->type, "result");
body.emit(assign(r, tex));
body.emit(assign(texel, record_ref(r, "texel")));
body.emit(ret(record_ref(r, "code")));
} else
body.emit(ret(tex));
return sig;
}