Mesa (master): radeonsi: reduce PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE value
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Mon Sep 21 12:33:52 UTC 2020
Module: Mesa
Branch: master
Commit: b73e165a04c02aac8c2c7c1b5c34ae7c67bb7187
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b73e165a04c02aac8c2c7c1b5c34ae7c67bb7187
Author: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com>
Date: Wed Sep 16 23:11:01 2020 +0200
radeonsi: reduce PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE value
The new value (64 MB) is a compromise:
- the old value was very large (max_alloc & 0xffffffff) and caused https://gitlab.freedesktop.org/mesa/mesa/-/issues/3301
- amdgpu-pro allows 512MB, nvidia 64MB
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6754>
---
src/gallium/drivers/radeonsi/si_get.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c
index d0bf95dca4b..fc0c32151a8 100644
--- a/src/gallium/drivers/radeonsi/si_get.c
+++ b/src/gallium/drivers/radeonsi/si_get.c
@@ -401,7 +401,7 @@ static int si_get_shader_param(struct pipe_screen *pscreen, enum pipe_shader_typ
case PIPE_SHADER_CAP_MAX_TEMPS:
return 256; /* Max native temporaries. */
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
- return si_get_param(pscreen, PIPE_CAP_MAX_SHADER_BUFFER_SIZE);
+ return 1 << 26; /* 64 MB */
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return SI_NUM_CONST_BUFFERS;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
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