That won't work correctly, the hardware can only load a maximum of 16
user SGPRs at shader initialization. If we need more we need to pass the
data through an extra buffer or something like that.
Christian.
Am 26.04.2014 15:37, schrieb Marek Olšák:
Sorry, the subject should say "5 more input SGPRs".
Marek
On Sat, Apr 26, 2014 at 3:36 PM, Marek Olšák <mar...@gmail.com> wrote:
From: Marek Olšák <marek.ol...@amd.com>
Mesa needs one more SGPR, let's add 5 then, because it's a recurring issue.
This is silly. Why cannot Mesa specify the calling convention?
Now I have to break transform feedback to support ARB_draw_indirect until
this patch is released. Or I'll have to wait until the release and then
merge ARB_draw_indirect support.
Signed-off-by: Marek Olšák <marek.ol...@amd.com>
---
lib/Target/R600/AMDGPUCallingConv.td | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/Target/R600/AMDGPUCallingConv.td
b/lib/Target/R600/AMDGPUCallingConv.td
index 65cdb24..5f8ad8c 100644
--- a/lib/Target/R600/AMDGPUCallingConv.td
+++ b/lib/Target/R600/AMDGPUCallingConv.td
@@ -20,7 +20,7 @@ def CC_SI : CallingConv<[
CCIfInReg<CCIfType<[f32, i32] , CCAssignToReg<[
SGPR0, SGPR1, SGPR2, SGPR3, SGPR4, SGPR5, SGPR6, SGPR7,
SGPR8, SGPR9, SGPR10, SGPR11, SGPR12, SGPR13, SGPR14, SGPR15,
- SGPR16
+ SGPR16, SGPR17, SGPR18, SGPR19, SGPR20, SGPR21
]>>>,
CCIfInReg<CCIfType<[i64] , CCAssignToRegWithShadow<
--
1.8.3.2
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