Ilia Mirkin <imir...@alum.mit.edu> writes:

> Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
> ---
>
> This was tested on a NV25-on-NV34 situation. Should be tested on real hardware
> since my test environment relies on accurate emulation in the hw.
>
Looks okay to me, as long as you get some testing coverage on real
hardware patch is:

Acked-by: Francisco Jerez <curroje...@riseup.net>

>  src/mesa/drivers/dri/nouveau/nv20_context.c   |  1 +
>  src/mesa/drivers/dri/nouveau/nv20_state_tex.c | 29 
> ++++++++++++++++++++++++++-
>  2 files changed, 29 insertions(+), 1 deletion(-)
>
> diff --git a/src/mesa/drivers/dri/nouveau/nv20_context.c 
> b/src/mesa/drivers/dri/nouveau/nv20_context.c
> index ec638c0..6940b4d 100644
> --- a/src/mesa/drivers/dri/nouveau/nv20_context.c
> +++ b/src/mesa/drivers/dri/nouveau/nv20_context.c
> @@ -456,6 +456,7 @@ nv20_context_create(struct nouveau_screen *screen, gl_api 
> api,
>       if (!nouveau_context_init(ctx, api, screen, visual, share_ctx))
>               goto fail;
>  
> +     ctx->Extensions.ARB_texture_border_clamp = true;
>       ctx->Extensions.ARB_texture_env_crossbar = true;
>       ctx->Extensions.ARB_texture_env_combine = true;
>       ctx->Extensions.ARB_texture_env_dot3 = true;
> diff --git a/src/mesa/drivers/dri/nouveau/nv20_state_tex.c 
> b/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
> index b0a4c9f..ef1799a 100644
> --- a/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
> +++ b/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
> @@ -165,7 +165,8 @@ nv20_emit_tex_obj(struct gl_context *ctx, int emit)
>       struct nouveau_surface *s;
>       struct gl_texture_image *ti;
>       const struct gl_sampler_object *sa;
> -     uint32_t tx_format, tx_filter, tx_wrap, tx_enable;
> +     uint8_t r, g, b, a;
> +     uint32_t tx_format, tx_filter, tx_wrap, tx_bcolor, tx_enable;
>  
>       PUSH_RESET(push, BUFCTX_TEX(i));
>  
> @@ -201,6 +202,29 @@ nv20_emit_tex_obj(struct gl_context *ctx, int emit)
>               | nvgl_filter_mode(sa->MinFilter) << 16
>               | 2 << 12;
>  
> +     r = FLOAT_TO_UBYTE(sa->BorderColor.f[0]);
> +     g = FLOAT_TO_UBYTE(sa->BorderColor.f[1]);
> +     b = FLOAT_TO_UBYTE(sa->BorderColor.f[2]);
> +     a = FLOAT_TO_UBYTE(sa->BorderColor.f[3]);
> +     switch (ti->_BaseFormat) {
> +     case GL_LUMINANCE:
> +             a = 0xff;
> +             /* fallthrough */
> +     case GL_LUMINANCE_ALPHA:
> +             g = b = r;
> +             break;
> +     case GL_RGB:
> +             a = 0xff;
> +             break;
> +     case GL_INTENSITY:
> +             g = b = a = r;
> +             break;
> +     case GL_ALPHA:
> +             r = g = b = 0;
> +             break;
> +     }
> +     tx_bcolor = b << 0 | g << 8 | r << 16 | a << 24;
> +
>       tx_enable = NV20_3D_TEX_ENABLE_ENABLE
>               | log2i(sa->MaxAnisotropy) << 4;
>  
> @@ -249,6 +273,9 @@ nv20_emit_tex_obj(struct gl_context *ctx, int emit)
>       BEGIN_NV04(push, NV20_3D(TEX_FILTER(i)), 1);
>       PUSH_DATA (push, tx_filter);
>  
> +     BEGIN_NV04(push, NV20_3D(TEX_BORDER_COLOR(i)), 1);
> +     PUSH_DATA (push, tx_bcolor);
> +
>       BEGIN_NV04(push, NV20_3D(TEX_ENABLE(i)), 1);
>       PUSH_DATA (push, tx_enable);
>  
> -- 
> 2.7.3
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev

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