On Sun, May 11, 2014 at 7:53 AM, Ilia Mirkin <[email protected]> wrote:
> Need to adjust coordinates since the shader receives the array index as
> depth in z, but the TEX instruction expects it to be the second
> coordinate for a 1D array texture. This fixes fbo-generatemipmap-array.
>
> Signed-off-by: Ilia Mirkin <[email protected]>
> Cc: "10.2" <[email protected]>
Reviewed-by: Ben Skeggs <[email protected]>
> ---
> src/gallium/drivers/nouveau/nv50/nv50_surface.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/src/gallium/drivers/nouveau/nv50/nv50_surface.c
> b/src/gallium/drivers/nouveau/nv50/nv50_surface.c
> index 8addefe..23613d8 100644
> --- a/src/gallium/drivers/nouveau/nv50/nv50_surface.c
> +++ b/src/gallium/drivers/nouveau/nv50/nv50_surface.c
> @@ -698,6 +698,12 @@ nv50_blitter_make_fp(struct pipe_context *pipe,
> tc = ureg_DECL_fs_input(
> ureg, TGSI_SEMANTIC_GENERIC, 0, TGSI_INTERPOLATE_LINEAR);
>
> + if (ptarg == PIPE_TEXTURE_1D_ARRAY) {
> + /* Adjust coordinates. Depth is in z, but TEX expects it to be in y. */
> + tc = ureg_swizzle(tc, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Z,
> + TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z);
> + }
> +
> data = ureg_DECL_temporary(ureg);
>
> if (tex_s) {
> --
> 1.8.5.5
>
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