nv50,nvc0: bump minimum texture buffer offset alignment

It appears that it actually needs to be aligned to the datum size, so it
was 1 when testing with R8, but it can be as high as 16 with RGBA32.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "11.1 11.2" <mesa-stable@lists.freedesktop.org>

diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index 8d11dd7bf218ced41eb14e54a95b3c4b5344ad17..0bd5de91d1fe9504522d27a3a0b63135e4bf9b55 100644 (file)
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -121,7 +121,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
       return 256;
    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
-      return 1; /* 256 for binding as RT, but that's not possible in GL */
+      return 16; /* 256 for binding as RT, but that's not possible in GL */
    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
       return NOUVEAU_MIN_BUFFER_MAP_ALIGN;
    case PIPE_CAP_MAX_VIEWPORTS:

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 998e9ea47ef9372efaa0afb9c3c7781c40a2b53e..37620ea8ba69530a2fa43a17eac9a3b2c94e9d0f 100644 (file)
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -112,7 +112,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
       return 256;
    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
-      return 1; /* 256 for binding as RT, but that's not possible in GL */
+      return 16; /* 256 for binding as RT, but that's not possible in GL */
    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
       return 16;
    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: