From ff8bb004b19ddbf84c7d8793b176c4c7d6932010 Mon Sep 17 00:00:00 2001 From: Christoph Brill Date: Mon, 25 Feb 2008 19:18:08 +0100 Subject: [r300] document type 3 packets to draw primitives based on AMD spec --- src/mesa/drivers/dri/r300/r300_reg.h | 42 ++++++++++++++++++++++++++++++++++-- 1 file changed, 40 insertions(+), 2 deletions(-) (limited to 'src/mesa/drivers/dri/r300') diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h index bb497d3b92..c32290d88c 100644 --- a/src/mesa/drivers/dri/r300/r300_reg.h +++ b/src/mesa/drivers/dri/r300/r300_reg.h @@ -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 */ -- cgit v1.2.3