ShuriZma
/
xenia
mirror of https://github.com/xenia-project/xenia.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Packet building helpers.

This commit is contained in:
gibbed 2015-06-03 10:36:37 -05:00
parent 5cfdec7dbf
commit c467024ec8
1 changed files with 29 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
src/xenia/gpu/xenos.h
View File

@ -458,6 +458,35 @@ enum Type3Opcode {
PM4_SET_BIN_SELECT_HI = 0x63,
};
template<uint16_t index, uint16_t count, bool one_reg = false>
constexpr inline uint32_t MakePacketType0() {
// ttcccccc cccccccc oiiiiiii iiiiiiii
static_assert(index <= 0x7FFF, "index must be <= 0x7FFF");
static_assert(count >= 1 && count <= 0x4000, "count must be >= 1 and <= 0x4000");
return (0u << 30) | (((count - 1) & 0x3FFF) << 16) | (index & 0x7FFF);
}
template<uint16_t index_1, uint16_t index_2>
constexpr inline uint32_t MakePacketType1() {
// tt?????? ??222222 22222111 11111111
static_assert(index_1 <= 0x7FF, "index_1 must be <= 0x7FF");
static_assert(index_2 <= 0x7FF, "index_2 must be <= 0x7FF");
return (1u << 30) | ((index_2 & 0x7FF) << 11) | (index_1 & 0x7FF);
}
constexpr inline uint32_t MakePacketType2() {
// tt?????? ???????? ???????? ????????
return (2u << 30);
}
template<Type3Opcode opcode, uint16_t count, bool predicate = false>
constexpr inline uint32_t MakePacketType3() {
// ttcccccc cccccccc ?ooooooo ???????p
static_assert(opcode <= 0x7F, "opcode must be <= 0x7F");
static_assert(count >= 1 && count <= 0x4000, "count must be >= 1 and <= 0x4000");
return (3u << 30) | (((count - 1) & 0x3FFF) << 16) | ((opcode & 0x7F) << 8) | (predicate ? 1 : 0);
}
} // namespace xenos
} // namespace gpu
} // namespace xe