wine/vkd3d
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/vkd3d.git synced 2025-09-12 18:50:22 -07:00
Code Issues Packages Projects Releases Wiki Activity

vkd3d-shader: Align the start offset instead of the size in bytecode_put_bytes().

Browse Source 
The practical effect this has is that we avoid potential trailing padding at
the end of DXBC blobs. Unfortunately this also means we need to be more
careful about using bytecode_get_size() to find the offset where subsequent
data would get written, although in many cases this follows a put_u32() call.
This commit is contained in:
Henri Verbeet
2023-04-04 18:27:59 +02:00
committed by Alexandre Julliard
parent a0a3fb0e5f
commit d6d9aab31c
Notes: Alexandre Julliard 2023-04-04 22:36:34 +02:00 
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/144
5 changed files with 23 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
libs/vkd3d-shader/hlsl_sm1.c
View File

@@ -261,7 +261,7 @@ static void write_sm1_type(struct vkd3d_bytecode_buffer *buffer, struct hlsl_typ
write_sm1_type(buffer, field->type, ctab_start);
}
fields_offset = bytecode_get_size(buffer) - ctab_start;
fields_offset = bytecode_get_next_offset(buffer) - ctab_start;
for (i = 0; i < field_count; ++i)
{
@@ -351,7 +351,7 @@ static void write_sm1_uniforms(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffe
put_u32(buffer, 0); /* FIXME: flags */
put_u32(buffer, 0); /* FIXME: target string */
vars_start = bytecode_get_size(buffer);
vars_start = bytecode_get_next_offset(buffer);
LIST_FOR_EACH_ENTRY(var, &ctx->extern_vars, struct hlsl_ir_var, extern_entry)
{
@@ -402,7 +402,7 @@ static void write_sm1_uniforms(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffe
offset = put_string(buffer, vkd3d_shader_get_version(NULL, NULL));
set_u32(buffer, creator_offset, offset - ctab_start);
ctab_end = bytecode_get_size(buffer);
ctab_end = bytecode_get_next_offset(buffer);
set_u32(buffer, size_offset, vkd3d_make_u32(D3DSIO_COMMENT, (ctab_end - ctab_offset) / sizeof(uint32_t)));
}