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https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 04:42:32 +00:00
[vulkan] Implement most of the parser
This gets renderpass parsing almost working (not hooked up, though). The missing bits are support for expressions for flags (namely support for the | operator) and references (eg $swapchain.format). However, this shows that the basic concept for the parser is working.
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8184c546db
commit
f4c8d341e1
2 changed files with 126 additions and 9 deletions
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@ -74,6 +74,8 @@
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field_type = [[Type lookup: type_type] dereference];
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fprintf (output_file, "static parse_%s_t parse_%s_%s_data = {\n",
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type_record, [self name], field_name);
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fprintf (output_file, "\t%s,\n", [field_type parseType]);
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fprintf (output_file, "\tsizeof (%s),\n", type_type);
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fprintf (output_file, "\tparse_%s,\n", type_type);
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if (type_record == "single") {
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value_field = [[field_def getObjectForKey:"value"] string];
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@ -70,44 +70,159 @@ typedef struct enumval_s {
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} enumval_t;
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typedef struct parse_single_s {
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pltype_t type;
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size_t stride;
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plparser_t parser;
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size_t value_offset;
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} parse_single_t;
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typedef struct parse_array_s {
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pltype_t type;
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size_t stride;
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plparser_t parser;
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size_t size_offset;
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size_t value_offset;
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size_t size_offset;
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} parse_array_t;
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static int find_enum (const char *valstr, enumval_t *enumval, int *val)
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{
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while (enumval->name && strcmp (enumval->name, valstr) != 0) {
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enumval++;
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}
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if (enumval->name) {
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*val = enumval->value;
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return 1;
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}
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return 0;
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}
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static int parse_uint32_t (const plfield_t *field, const plitem_t *item,
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void *data, plitem_t *messages)
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{
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return 0;
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int ret = 1;
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const char *valstr = PL_String (item);
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//Sys_Printf ("parse_uint32_t: %s %zd %d %p %p: %s\n",
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// field->name, field->offset, field->type, field->parser,
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// field->data, valstr);
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if (strcmp (valstr, "VK_SUBPASS_EXTERNAL") == 0) {
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*(uint32_t *) data = VK_SUBPASS_EXTERNAL;
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} else {
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char *end;
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unsigned long val = strtoul (valstr, &end, 0);
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if (*valstr && !*end && val <= 0xffffffff) {
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*(uint32_t *) data = val;
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} else if (val > 0xffffffff) {
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PL_Message (messages, item, "%lu bigger than 32 bits", val);
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ret = 0;
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} else {
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PL_Message (messages, item, "invalid char at %d in '%s'\n",
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(int) (end - valstr), valstr);
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ret = 0;
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}
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}
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return ret;
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}
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static int parse_enum (const plfield_t *field, const plitem_t *item,
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void *data, plitem_t *messages)
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{
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return 0;
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int ret = 1;
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int val;
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const char *valstr = PL_String (item);
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__auto_type enumval = (enumval_t *) field->data;
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//Sys_Printf ("parse_enum: %s %zd %d %p %p %s\n",
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// field->name, field->offset, field->type, field->parser,
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// field->data, valstr);
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if (find_enum (valstr, enumval, &val)) {
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*(int *) data = val;
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} else {
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PL_Message (messages, item, "invalid enum: %s", valstr);
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ret = 0;
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}
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return ret;
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}
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static int parse_flags (const plfield_t *field, const plitem_t *item,
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void *data, plitem_t *messages)
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{
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return 0;
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int ret = 1;
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int val;
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const char *valstr = PL_String (item);
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__auto_type enumval = (enumval_t *) field->data;
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//Sys_Printf ("parse_flags: %s %zd %d %p %p %s\n",
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// field->name, field->offset, field->type, field->parser,
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// field->data, valstr);
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if (find_enum (valstr, enumval, &val)) {
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*(int *) data = val;
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} else if (strcmp (valstr, "0") == 0) {
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*(int *) data = 0;
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} else {
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PL_Message (messages, item, "invalid enum: %s", valstr);
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ret = 0;
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}
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return ret;
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}
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static int parse_single (const plfield_t *field, const plitem_t *item,
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void *data, plitem_t *messages)
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{
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return 0;
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__auto_type single = (parse_single_t *) field->data;
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void *flddata = (byte *)data + single->value_offset;
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//Sys_Printf ("parse_single: %s %zd %d %p %p\n", field->name, field->offset,
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// field->type, field->parser, field->data);
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if (PL_Type (item) != single->type) {
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PL_Message (messages, item, "error: wrong type");
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return 0;
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}
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plfield_t f = { 0, 0, single->type, single->parser, 0 };
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void *value = calloc (1, single->stride);
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if (!single->parser (&f, item, value, messages)) {
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free (value);
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return 0;
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}
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*(void **) flddata = value;
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return 1;
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}
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static int parse_array (const plfield_t *field, const plitem_t *item,
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void *data, plitem_t *messages)
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{
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return 0;
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__auto_type array = (parse_array_t *) field->data;
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__auto_type value = (void **) ((byte *)data + array->value_offset);
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__auto_type size = (uint32_t *) ((byte *)data + array->size_offset);
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plelement_t element = {
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array->type,
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array->stride,
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malloc,
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array->parser,
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0,
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};
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plfield_t f = { 0, 0, 0, 0, &element };
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typedef struct arr_s DARRAY_TYPE(byte) arr_t;
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arr_t *arr;
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//Sys_Printf ("parse_array: %s %zd %d %p %p %p\n",
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// field->name, field->offset, field->type, field->parser,
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// field->data, data);
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//Sys_Printf (" %d %zd %p %zd %zd\n", array->type, array->stride,
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// array->parser, array->value_offset, array->size_offset);
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if (!PL_ParseArray (&f, item, &arr, messages)) {
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return 0;
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}
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*value = malloc (array->stride * arr->size);
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memcpy (*value, arr->a, array->stride * arr->size);
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if ((void *) size > data) {
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*size = arr->size;
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}
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free (arr);
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return 1;
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}
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#include "libs/video/renderer/vulkan/vkparse.inc"
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@ -144,11 +259,11 @@ static plelement_t parse_qfv_renderpass_dependencies_data = {
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static plfield_t renderpass_fields[] = {
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{ "attachments", field_offset (qfv_renderpass_t, attachments), QFArray,
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parse_array, &parse_qfv_renderpass_attachments_data },
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PL_ParseArray, &parse_qfv_renderpass_attachments_data },
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{ "subpasses", field_offset (qfv_renderpass_t, subpasses), QFArray,
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parse_array, &parse_qfv_renderpass_subpasses_data },
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PL_ParseArray, &parse_qfv_renderpass_subpasses_data },
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{ "dependencies", field_offset (qfv_renderpass_t, dependencies), QFArray,
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parse_array, &parse_qfv_renderpass_dependencies_data },
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PL_ParseArray, &parse_qfv_renderpass_dependencies_data },
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{}
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};
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