6,264
edits
Changes
Jump to navigation
Jump to search
Line 54:
Line 54: − + Line 113:
Line 113: − − == GPU Commands == − The buffer for [[GX_Commands|GX command]] 1 with the registers at 0x1EF018E0 is used for GPU commands including OpenGL commands, each 8-byte entry in the buffer is a command. Cmd+0 is the command parameter, and cmd+4 is the cmdID. − − === Commands === − {| class="wikitable" border="1" − ! CommandID − ! Parameter − ! Description − |- − | 0x000F0010 − | Value is 0x12345678 − | This command is always the last command in the buffer. − |- − | 0x000F0110 − | Value 0x1 − | This command is immediately before CmdID 0x000F0010, this is used elsewhere in the buffer as well. − |- − | 0x000F0111 − | Value 0x1 − | This command is immediately before CmdID 0x000F0110, however CmdID 0x000F0110 doesn't always follow this command. − |- − | 0x000F0042 − | float y vector − | This sets Y scaling for the current matrix. − |- − | 0x000F0044 − | float x vector − | This sets X scaling for the current matrix. − |- − | 0x000F02C0 − | <nowiki>0x80000000 | ID?</nowiki> When bit31 is clear, the specified vertices are not rendered via CmdID 0xXXXF02C1. − | This is used immediately before CmdID 0xXXXF02C1. − |- − | 0xXXXF02C1 − | float X coordinate for the first vertex − | CmdID is <nowiki>0x000F02C1 | ((totalvertices<<22) - 0x100000).</nowiki> The vertex entries is the data following the command. The first word in the first vertex entry is the Y coordinate. − |} − − === Vertex Entry === − {| class="wikitable" border="1" − ! Index Word − ! Description − |- − | 0 − | X coordinate, for the first vertex this is stored in the command parameter instead. − |- − | 1 − | Y coordinate − |- − | 2 − | Z coordinate − |- − | 3 − | Padding for the last vertex entry − |}
Moved GPU commands info to a seperate page.
|}
|}
These 3 registers are used by [[GX_Commands|GX command]] 1. This is used for OpenGL commands.
These 3 registers are used by [[GX_Commands|GX command]] 1. This is used for [[GPU_Commands|GPU commands]].
== 0x1EF00010 ==
== 0x1EF00010 ==
These registers are used by [[GX_Commands|GX command]] 3 and 4. For cmd4, *0x1EF00C18 |= 1 is used instead of just writing value 1.
These registers are used by [[GX_Commands|GX command]] 3 and 4. For cmd4, *0x1EF00C18 |= 1 is used instead of just writing value 1.