fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-02-09 05:30:35 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

[r300] document type 3 packets to draw primitives based on AMD spec

Browse source
This commit is contained in:
Christoph Brill 2008-02-25 19:18:08 +01:00
parent 93d1ecdbd6
commit ff8bb004b1
1 changed files with 40 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
src/mesa/drivers/dri/r300/r300_reg.h
View file

@ -1662,11 +1662,29 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
/* Draw a primitive from vertex data in arrays loaded via 3D_LOAD_VBPNTR.
* Two parameter dwords:
* 0. The first parameter appears to be always 0
* 1. The second parameter is a standard primitive emission dword.
* 0. VAP_VTX_FMT: The first parameter is not written to hardware
* 1. VAP_VF_CTL: The second parameter is a standard primitive emission dword.
*/
#define R300_PACKET3_3D_DRAW_VBUF 0x00002800
/* Draw a primitive from immediate vertices in this packet
* Up to 16382 dwords:
* 0. VAP_VTX_FMT: The first parameter is not written to hardware
* 1. VAP_VF_CTL: The second parameter is a standard primitive emission dword.
* 2 to end: Up to 16380 dwords of vertex data.
*/
#define R300_PACKET3_3D_DRAW_IMMD 0x00002900
/* Draw a primitive from vertex data in arrays loaded via 3D_LOAD_VBPNTR and
* immediate vertices in this packet
* Up to 16382 dwords:
* 0. VAP_VTX_FMT: The first parameter is not written to hardware
* 1. VAP_VF_CTL: The second parameter is a standard primitive emission dword.
* 2 to end: Up to 16380 dwords of vertex data.
*/
#define R300_PACKET3_3D_DRAW_INDX 0x00002A00
/* Specify the full set of vertex arrays as (address, stride).
* The first parameter is the number of vertex arrays specified.
* The rest of the command is a variable length list of blocks, where
@ -1687,9 +1705,29 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
# define R300_EB_UNK1_SHIFT 24
# define R300_EB_UNK1 (0x80<<24)
# define R300_EB_UNK2 0x0810
/* Same as R300_PACKET3_3D_DRAW_VBUF but without VAP_VTX_FMT */
#define R300_PACKET3_3D_DRAW_VBUF_2 0x00003400
/* Same as R300_PACKET3_3D_DRAW_IMMD but without VAP_VTX_FMT */
#define R300_PACKET3_3D_DRAW_IMMD_2 0x00003500
/* Same as R300_PACKET3_3D_DRAW_INDX but without VAP_VTX_FMT */
#define R300_PACKET3_3D_DRAW_INDX_2 0x00003600
/* Clears a portion of hierachical Z RAM
* 3 dword parameters
* 0. START
* 1. COUNT: 13:0 (max is 0x3FFF)
* 2. CLEAR_VALUE: Value to write into HIZ RAM.
*/
#define R300_PACKET3_3D_CLEAR_HIZ 0x00003700
/* Draws a set of primitives using vertex buffers pointed by the state data.
* At least 2 Parameters:
* 0. VAP_VF_CNTL: The first parameter is a standard primitive emission dword.
* 2 to end: Data or indices (see other 3D_DRAW_* packets for details)
*/
#define R300_PACKET3_3D_DRAW_128 0x00003900
/* END: Packet 3 commands */