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Pica/CommandProcessor: Implement parameter masking.

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This commit is contained in:
Tony Wasserka
2014-08-14 23:23:55 +02:00
parent f37e39deb9
commit 0465adf206
2 changed files with 25 additions and 6 deletions
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13
src/video_core/command_processor.h
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@ -17,11 +17,22 @@ union CommandHeader {
u32 hex;
BitField< 0, 16, u32> cmd_id;
// parameter_mask:
// Mask applied to the input value to make it possible to update
// parts of a register without overwriting its other fields.
// first bit: 0x000000FF
// second bit: 0x0000FF00
// third bit: 0x00FF0000
// fourth bit: 0xFF000000
BitField<16, 4, u32> parameter_mask;
BitField<20, 11, u32> extra_data_length;
BitField<31, 1, u32> group_commands;
};
static_assert(std::is_standard_layout<CommandHeader>::value == true, "CommandHeader does not use standard layout");
static_assert(std::is_standard_layout<CommandHeader>::value == true,
"CommandHeader does not use standard layout");
static_assert(sizeof(CommandHeader) == sizeof(u32), "CommandHeader has incorrect size!");
void ProcessCommandList(const u32* list, u32 size);