Kenneth Graunke <kenn...@whitecape.org> writes: > The value that's split into width/height/depth needs to be the size of > the buffer minus one. This makes it consistent with the constant buffer > and shader time SURFACE_STATE setup code. > > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org> > Cc: Paul Berry <stereotype...@gmail.com> > Cc: Eric Anholt <e...@anholt.net> > --- > src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 2 +- > src/mesa/drivers/dri/i965/gen7_wm_surface_state.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c > b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c > index 8d87786..0078161 100644 > --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c > +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c > @@ -228,7 +228,7 @@ brw_update_buffer_texture_surface(struct gl_context *ctx, > *surf_offset + 4, > bo, 0, I915_GEM_DOMAIN_SAMPLER, 0); > > - int w = intel_obj->Base.Size / texel_size; > + int w = (intel_obj->Base.Size / texel_size) - 1; > surf[2] = ((w & 0x7f) << BRW_SURFACE_WIDTH_SHIFT | > ((w >> 7) & 0x1fff) << BRW_SURFACE_HEIGHT_SHIFT); > surf[3] = (((w >> 20) & 0x7f) << BRW_SURFACE_DEPTH_SHIFT | > diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c > b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c > index 37e3174..c38843f 100644 > --- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c > +++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c > @@ -260,7 +260,7 @@ gen7_update_buffer_texture_surface(struct gl_context *ctx, > I915_GEM_DOMAIN_SAMPLER, 0); > > int texel_size = _mesa_get_format_bytes(format); > - int w = intel_obj->Base.Size / texel_size; > + int w = (intel_obj->Base.Size / texel_size) - 1;
This is all: Reviewed-by: Eric Anholt <e...@anholt.net>
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