258 lines
11 KiB
C
258 lines
11 KiB
C
/*
|
||
* Copyright © Microsoft Corporation
|
||
*
|
||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||
* copy of this software and associated documentation files (the "Software"),
|
||
* to deal in the Software without restriction, including without limitation
|
||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||
* and/or sell copies of the Software, and to permit persons to whom the
|
||
* Software is furnished to do so, subject to the following conditions:
|
||
*
|
||
* The above copyright notice and this permission notice (including the next
|
||
* paragraph) shall be included in all copies or substantial portions of the
|
||
* Software.
|
||
*
|
||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
||
* IN THE SOFTWARE.
|
||
*/
|
||
|
||
#include "dxil_function.h"
|
||
#include "dxil_module.h"
|
||
|
||
#define MAX_FUNC_PARAMS 17
|
||
|
||
struct predefined_func_descr {
|
||
const char *base_name;
|
||
const char *retval_descr;
|
||
const char *param_descr;
|
||
enum dxil_attr_kind attr;
|
||
};
|
||
|
||
static struct predefined_func_descr predefined_funcs[] = {
|
||
{"dx.op.atomicBinOp", "O", "i@iiiii", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.cbufferLoad", "O", "i@ii", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.cbufferLoadLegacy", "B", "i@i", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.createHandle", "@", "iciib", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.storeOutput", "v", "iiicO", DXIL_ATTR_KIND_NO_UNWIND},
|
||
{"dx.op.loadInput", "O", "iiici", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.tertiary", "O", "iOOO", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.quaternary", "O", "iOOOO", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.threadId", "i", "ii", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.threadIdInGroup", "i", "ii", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.flattenedThreadIdInGroup", "i", "i", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.groupId", "i", "ii", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.unary", "O", "iO", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.unaryBits", "i", "iO", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.isSpecialFloat", "b", "iO", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.binary", "O", "iOO", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.bufferStore", "v", "i@iiOOOOc", DXIL_ATTR_KIND_NONE},
|
||
{"dx.op.bufferLoad", "R", "i@ii", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.attributeAtVertex", "O", "iiicc", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.sample", "R", "i@@ffffiiif", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.sampleBias", "R", "i@@ffffiiiff", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.sampleLevel", "R", "i@@ffffiiif", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.sampleGrad", "R", "i@@ffffiiifffffff", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.sampleCmp", "R", "i@@ffffiiiff", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.sampleCmpLevelZero", "R", "i@@ffffiiif", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.textureLoad", "R", "i@iiiiiii", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.textureGather", "R", "i@@ffffiii", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.textureGatherCmp", "R", "i@@ffffiiif", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.discard", "v", "ib", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.sampleIndex", "i", "i", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.emitStream", "v", "ic", DXIL_ATTR_KIND_NONE},
|
||
{"dx.op.cutStream", "v", "ic", DXIL_ATTR_KIND_NONE},
|
||
{"dx.op.getDimensions", "D", "i@i", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.calculateLOD", "f", "i@@fffb", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.barrier", "v", "ii", DXIL_ATTR_KIND_NO_DUPLICATE},
|
||
{"dx.op.atomicCompareExchange", "O", "i@iiiii", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.textureStore", "v", "i@iiiOOOOc", DXIL_ATTR_KIND_NONE},
|
||
{"dx.op.primitiveID", "i", "i", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.outputControlPointID", "i", "i", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.gsInstanceID", "i", "i", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.domainLocation", "f", "ii", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.legacyF16ToF32", "f", "ii", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.legacyF32ToF16", "i", "if", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.makeDouble", "g", "iii", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.splitDouble", "G", "ig", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.texture2DMSGetSamplePosition", "S", "i@i", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.renderTargetGetSamplePosition", "S", "ii", DXIL_ATTR_KIND_READ_ONLY},
|
||
{"dx.op.evalSnapped", "O", "iiicii", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.evalCentroid", "O", "iiic", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.evalSampleIndex", "O", "iiici", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.coverage", "i", "i", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.storePatchConstant", "v", "iiicO", DXIL_ATTR_KIND_NO_UNWIND},
|
||
{"dx.op.loadPatchConstant", "O", "iiic", DXIL_ATTR_KIND_READ_NONE},
|
||
{"dx.op.loadOutputControlPoint", "O", "iiici", DXIL_ATTR_KIND_READ_NONE},
|
||
};
|
||
|
||
struct func_descr {
|
||
const char *name;
|
||
enum overload_type overload;
|
||
};
|
||
|
||
struct func_rb_node {
|
||
struct rb_node node;
|
||
const struct dxil_func *func;
|
||
struct func_descr descr;
|
||
};
|
||
|
||
static inline
|
||
const struct func_rb_node *
|
||
func_rb_node(const struct rb_node *n)
|
||
{
|
||
return (const struct func_rb_node *)n;
|
||
}
|
||
|
||
static int
|
||
func_compare_to_name_and_overload(const struct rb_node *node, const void *data)
|
||
{
|
||
const struct func_descr *descr = (const struct func_descr *)data;
|
||
const struct func_rb_node *f = func_rb_node(node);
|
||
if (f->descr.overload < descr->overload)
|
||
return -1;
|
||
if (f->descr.overload > descr->overload)
|
||
return 1;
|
||
|
||
return strcmp(f->descr.name, descr->name);
|
||
}
|
||
|
||
static const struct dxil_func *
|
||
allocate_function_from_predefined(struct dxil_module *mod,
|
||
const char *name,
|
||
enum overload_type overload)
|
||
{
|
||
for (unsigned i = 0; i < ARRAY_SIZE(predefined_funcs); ++i) {
|
||
if (!strcmp(predefined_funcs[i].base_name, name)) {
|
||
return dxil_alloc_func(mod, name, overload,
|
||
predefined_funcs[i].retval_descr,
|
||
predefined_funcs[i].param_descr,
|
||
predefined_funcs[i].attr);
|
||
}
|
||
}
|
||
unreachable("Invalid function name");
|
||
}
|
||
|
||
const struct dxil_func *
|
||
dxil_get_function(struct dxil_module *mod,
|
||
const char *name, enum overload_type overload)
|
||
{
|
||
struct func_descr descr = { name, overload };
|
||
const struct rb_node *node = rb_tree_search(mod->functions, &descr,
|
||
func_compare_to_name_and_overload);
|
||
if (node)
|
||
return func_rb_node(node)->func;
|
||
|
||
return allocate_function_from_predefined(mod, name, overload);
|
||
}
|
||
|
||
static int func_compare_name(const struct rb_node *lhs, const struct rb_node *rhs)
|
||
{
|
||
const struct func_rb_node *node = func_rb_node(rhs);
|
||
return func_compare_to_name_and_overload(lhs, &node->descr);
|
||
}
|
||
|
||
static void
|
||
dxil_add_function(struct rb_tree *functions, const struct dxil_func *func,
|
||
const char *name, enum overload_type overload)
|
||
{
|
||
struct func_rb_node *f = rzalloc(functions, struct func_rb_node);
|
||
f->func = func;
|
||
f->descr.name = name;
|
||
f->descr.overload = overload;
|
||
rb_tree_insert(functions, &f->node, func_compare_name);
|
||
}
|
||
|
||
static const struct dxil_type *
|
||
get_type_from_string(struct dxil_module *mod, const char *param_descr,
|
||
enum overload_type overload, int *idx)
|
||
{
|
||
assert(param_descr);
|
||
char type_id = param_descr[(*idx)++];
|
||
assert(*idx <= (int)strlen(param_descr));
|
||
|
||
switch (type_id) {
|
||
case DXIL_FUNC_PARAM_INT64: return dxil_module_get_int_type(mod, 64);
|
||
case DXIL_FUNC_PARAM_INT32: return dxil_module_get_int_type(mod, 32);
|
||
case DXIL_FUNC_PARAM_INT16: return dxil_module_get_int_type(mod, 16);
|
||
case DXIL_FUNC_PARAM_INT8: return dxil_module_get_int_type(mod, 8);
|
||
case DXIL_FUNC_PARAM_BOOL: return dxil_module_get_int_type(mod, 1);
|
||
case DXIL_FUNC_PARAM_FLOAT64: return dxil_module_get_float_type(mod, 64);
|
||
case DXIL_FUNC_PARAM_FLOAT32: return dxil_module_get_float_type(mod, 32);
|
||
case DXIL_FUNC_PARAM_FLOAT16: return dxil_module_get_float_type(mod, 16);
|
||
case DXIL_FUNC_PARAM_HANDLE: return dxil_module_get_handle_type(mod);
|
||
case DXIL_FUNC_PARAM_VOID: return dxil_module_get_void_type(mod);
|
||
case DXIL_FUNC_PARAM_FROM_OVERLOAD: return dxil_get_overload_type(mod, overload);
|
||
case DXIL_FUNC_PARAM_RESRET: return dxil_module_get_resret_type(mod, overload);
|
||
case DXIL_FUNC_PARAM_DIM: return dxil_module_get_dimret_type(mod);
|
||
case DXIL_FUNC_PARAM_SAMPLE_POS: return dxil_module_get_samplepos_type(mod);
|
||
case DXIL_FUNC_PARAM_CBUF_RET: return dxil_module_get_cbuf_ret_type(mod, overload);
|
||
case DXIL_FUNC_PARAM_SPLIT_DOUBLE: return dxil_module_get_split_double_ret_type(mod);
|
||
case DXIL_FUNC_PARAM_POINTER: {
|
||
const struct dxil_type *target = get_type_from_string(mod, param_descr, overload, idx);
|
||
return dxil_module_get_pointer_type(mod, target);
|
||
}
|
||
default:
|
||
assert(0 && "unknown type identifier");
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
const struct dxil_func *
|
||
dxil_alloc_func_with_rettype(struct dxil_module *mod, const char *name,
|
||
enum overload_type overload,
|
||
const struct dxil_type *retval_type,
|
||
const char *param_descr,
|
||
enum dxil_attr_kind attr)
|
||
{
|
||
assert(param_descr);
|
||
const struct dxil_type *arg_types[MAX_FUNC_PARAMS];
|
||
|
||
int index = 0;
|
||
unsigned num_params = 0;
|
||
|
||
while (param_descr[num_params]) {
|
||
const struct dxil_type *t = get_type_from_string(mod, param_descr, overload, &index);
|
||
if (!t)
|
||
return false;
|
||
assert(num_params < MAX_FUNC_PARAMS);
|
||
arg_types[num_params++] = t;
|
||
}
|
||
|
||
const struct dxil_type *func_type =
|
||
dxil_module_add_function_type(mod, retval_type,
|
||
arg_types, num_params);
|
||
if (!func_type) {
|
||
fprintf(stderr, "%s: Func type allocation failed\n", __func__);
|
||
return false;
|
||
}
|
||
|
||
char full_name[100];
|
||
snprintf(full_name, sizeof (full_name), "%s%s%s", name,
|
||
overload == DXIL_NONE ? "" : ".", dxil_overload_suffix(overload));
|
||
const struct dxil_func *func = dxil_add_function_decl(mod, full_name, func_type, attr);
|
||
|
||
if (func)
|
||
dxil_add_function(mod->functions, func, name, overload);
|
||
|
||
return func;
|
||
}
|
||
|
||
const struct dxil_func *
|
||
dxil_alloc_func(struct dxil_module *mod, const char *name, enum overload_type overload,
|
||
const char *retval_type_descr,
|
||
const char *param_descr, enum dxil_attr_kind attr)
|
||
{
|
||
|
||
int index = 0;
|
||
const struct dxil_type *retval_type = get_type_from_string(mod, retval_type_descr, overload, &index);
|
||
assert(retval_type_descr[index] == 0);
|
||
|
||
return dxil_alloc_func_with_rettype(mod, name, overload, retval_type,
|
||
param_descr, attr);
|
||
}
|