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nv2a: Add support for PGRAPH RDI select 0x17

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This commit is contained in:
Jannik Vogel 2019-02-20 23:14:26 +01:00 committed by mborgerson
parent 973f8db16a
commit e42fb24752
3 changed files with 19 additions and 1 deletions
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2
dtc

@ -1 +1 @@
Subproject commit 88f18909db731a627456f26d779445f84e449536
Subproject commit e54388015af1fb4bf04d0bca99caba1074d9cc42

11
hw/xbox/nv2a/nv2a_pgraph.c
View file

@ -305,6 +305,10 @@ static uint32_t pgraph_rdi_read(PGRAPHState *pg,
{
uint32_t r = 0;
switch(select) {
case RDI_INDEX_VTX_CONSTANTS0:
assert((address / 4) < NV2A_VERTEXSHADER_CONSTANTS);
r = pg->vsh_constants[address / 4][3 - address % 4];
break;
default:
fprintf(stderr, "nv2a: unknown rdi read select 0x%x address 0x%x\n",
select, address);
@ -319,6 +323,13 @@ static void pgraph_rdi_write(PGRAPHState *pg,
uint32_t val)
{
switch(select) {
case RDI_INDEX_VTX_CONSTANTS0:
assert(false); /* Untested */
assert((address / 4) < NV2A_VERTEXSHADER_CONSTANTS);
pg->vsh_constants_dirty[address / 4] |=
(val != pg->vsh_constants[address / 4][3 - address % 4]);
pg->vsh_constants[address / 4][3 - address % 4] = val;
break;
default:
NV2A_DPRINTF("unknown rdi write select 0x%x, address 0x%x, val 0x%08x\n",
select, address, val);

7
hw/xbox/nv2a/nv2a_regs.h
View file

@ -1286,6 +1286,13 @@
#define NV_IGRAPH_XF_LTC1_L6 0x12
#define NV_IGRAPH_XF_LTC1_L7 0x13
/* These RDI select values appear to be named by MS.
* nvidia seems to refer to RDI_INDEX_VTX_CONSTANTS0 by RDI_RAMSEL_XL_XFCTX.
* However, we don't have other nvidia names; so we use these aliases for now.
* Eventually we'll probably adopt nouveau names for these internals.
*/
#define RDI_INDEX_VTX_CONSTANTS0 0x17
#define NV2A_VERTEX_ATTR_POSITION 0
#define NV2A_VERTEX_ATTR_WEIGHT 1