[Mesa-dev] [PATCH] nvc0: add hardware ETC2 and ASTC support where possible
Ilia Mirkin
imirkin at alum.mit.edu
Sat Dec 19 15:06:21 PST 2015
On Sat, Dec 19, 2015 at 1:53 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> These are supported on GK20A and GM107.
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
>
> Was a bit torn on where to place the enums... we're about to gut all
> the xml definitions so this seemed appropriate for now.
>
> Tested on GK20A only.
>
> src/gallium/drivers/nouveau/nv50/nv50_formats.c | 64 +++++++++++++++++++++++++
> src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 10 ++++
> src/gallium/drivers/nouveau/nvc0/nvc0_tex.c | 4 +-
> 3 files changed, 77 insertions(+), 1 deletion(-)
>
> diff --git a/src/gallium/drivers/nouveau/nv50/nv50_formats.c b/src/gallium/drivers/nouveau/nv50/nv50_formats.c
> index 49a93bf..971fc64 100644
> --- a/src/gallium/drivers/nouveau/nv50/nv50_formats.c
> +++ b/src/gallium/drivers/nouveau/nv50/nv50_formats.c
> @@ -84,6 +84,29 @@
> #define NV50_TIC_0_FMT_BPTC_FLOAT NVC0_TIC_0_FMT_BPTC_FLOAT
> #define NV50_TIC_0_FMT_BPTC_UFLOAT NVC0_TIC_0_FMT_BPTC_UFLOAT
>
> +/* GK20A and GM107+ formats */
> +#define NV50_TIC_0_FMT_ETC2_RGB 0x06
> +#define NV50_TIC_0_FMT_ETC2_RGBA1 0x0a
> +#define NV50_TIC_0_FMT_ETC2_RGBA 0x0b
> +#define NV50_TIC_0_FMT_ETC2_R11 0x19
> +#define NV50_TIC_0_FMT_ETC2_RG11 0x1a
> +
> +/* On GK20A, the high bit goes elsewhere */
> +#define NV50_TIC_0_FMT_ASTC_2D_4X4 0x40
> +#define NV50_TIC_0_FMT_ASTC_2D_5X4 0x50
> +#define NV50_TIC_0_FMT_ASTC_2D_5X5 0x41
> +#define NV50_TIC_0_FMT_ASTC_2D_6X5 0x51
> +#define NV50_TIC_0_FMT_ASTC_2D_6X6 0x42
> +#define NV50_TIC_0_FMT_ASTC_2D_8X5 0x55
> +#define NV50_TIC_0_FMT_ASTC_2D_8X6 0x52
> +#define NV50_TIC_0_FMT_ASTC_2D_8X8 0x44
> +#define NV50_TIC_0_FMT_ASTC_2D_10X5 0x56
> +#define NV50_TIC_0_FMT_ASTC_2D_10X6 0x57
> +#define NV50_TIC_0_FMT_ASTC_2D_10X8 0x53
> +#define NV50_TIC_0_FMT_ASTC_2D_10X10 0x45
> +#define NV50_TIC_0_FMT_ASTC_2D_12X10 0x54
> +#define NV50_TIC_0_FMT_ASTC_2D_12X12 0x46
> +
> #if NOUVEAU_DRIVER == 0xc0
> # define NVXX_3D_VAF_SIZE(s) NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_##s
> # define NVXX_3D_VAF_TYPE(t) NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_##t
> @@ -296,6 +319,47 @@ const struct nv50_format nv50_format_table[PIPE_FORMAT_COUNT] =
> F3B(BPTC_RGB_FLOAT, NONE, C0, C1, C2, xx, FLOAT, BPTC_FLOAT, t),
> F3B(BPTC_RGB_UFLOAT, NONE, C0, C1, C2, xx, FLOAT, BPTC_UFLOAT, t),
>
> + F3B(ETC2_RGB8, NONE, C0, C1, C2, xx, UNORM, ETC2_RGB, t),
> + F3B(ETC2_SRGB8, NONE, C0, C1, C2, xx, UNORM, ETC2_RGB, t),
> + C4B(ETC2_RGB8A1, NONE, C0, C1, C2, C3, UNORM, ETC2_RGBA1, t),
> + C4B(ETC2_SRGB8A1, NONE, C0, C1, C2, C3, UNORM, ETC2_RGBA1, t),
> + C4B(ETC2_RGBA8, NONE, C0, C1, C2, C3, UNORM, ETC2_RGBA, t),
> + C4B(ETC2_SRGBA8, NONE, C0, C1, C2, C3, UNORM, ETC2_RGBA, t),
> + F1B(ETC2_R11_UNORM, NONE, C0, xx, xx, xx, UNORM, ETC2_R11, t),
> + F1B(ETC2_R11_SNORM, NONE, C0, xx, xx, xx, SNORM, ETC2_R11, t),
> + F2B(ETC2_RG11_UNORM, NONE, C0, C1, xx, xx, UNORM, ETC2_RG11, t),
> + F2B(ETC2_RG11_SNORM, NONE, C0, C1, xx, xx, SNORM, ETC2_RG11, t),
> +
> + C4B(ASTC_4x4, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_4X4, t),
> + C4B(ASTC_5x4, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_5X4, t),
> + C4B(ASTC_5x5, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_5X5, t),
> + C4B(ASTC_6x5, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_6X5, t),
> + C4B(ASTC_6x6, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_6X6, t),
> + C4B(ASTC_8x5, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_8X5, t),
> + C4B(ASTC_8x6, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_8X6, t),
> + C4B(ASTC_8x8, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_8X8, t),
> + C4B(ASTC_10x5, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_10X5, t),
> + C4B(ASTC_10x6, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_10X6, t),
> + C4B(ASTC_10x8, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_10X8, t),
> + C4B(ASTC_10x10, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_10X10, t),
> + C4B(ASTC_12x10, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_12X10, t),
> + C4B(ASTC_12x12, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_12X12, t),
> +
> + C4B(ASTC_4x4_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_4X4, t),
> + C4B(ASTC_5x4_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_5X4, t),
> + C4B(ASTC_5x5_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_5X5, t),
> + C4B(ASTC_6x5_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_6X5, t),
> + C4B(ASTC_6x6_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_6X6, t),
> + C4B(ASTC_8x5_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_8X5, t),
> + C4B(ASTC_8x6_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_8X6, t),
> + C4B(ASTC_8x8_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_8X8, t),
> + C4B(ASTC_10x5_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_10X5, t),
> + C4B(ASTC_10x6_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_10X6, t),
> + C4B(ASTC_10x8_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_10X8, t),
> + C4B(ASTC_10x10_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_10X10, t),
> + C4B(ASTC_12x10_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_12X10, t),
> + C4B(ASTC_12x12_SRGB, NONE, C0, C1, C2, C3, UNORM, ASTC_2D_12X12, t),
> +
> C4A(R32G32B32A32_FLOAT, RGBA32_FLOAT, C0, C1, C2, C3, FLOAT, 32_32_32_32,
> IBV, 0),
> C4A(R32G32B32A32_UNORM, NONE, C0, C1, C2, C3, UNORM, 32_32_32_32, TV, 0),
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> index 4757fe2..1c88580 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> @@ -43,6 +43,7 @@ nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
> unsigned sample_count,
> unsigned bindings)
> {
> + const struct util_format_description *desc = util_format_description(format);
> if (sample_count > 8)
> return false;
> if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
> @@ -55,6 +56,15 @@ nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
> if (util_format_get_blocksizebits(format) == 3 * 32)
> return false;
>
> + /* Restrict ETC2 and ASTC formats here. These are only supported on GM107+
> + * and GK20A.
> + */
> + if ((desc->layout == UTIL_FORMAT_LAYOUT_ETC ||
> + desc->layout == UTIL_FORMAT_LAYOUT_ASTC) &&
> + nouveau_screen(pscreen)->class_3d < GM107_3D_CLASS &&
> + nouveau_screen(pscreen)->class_3d != NVEA_3D_CLASS)
> + return false;
> +
> /* transfers & shared are always supported */
> bindings &= ~(PIPE_BIND_TRANSFER_READ |
> PIPE_BIND_TRANSFER_WRITE |
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c b/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c
> index 74090ce..bc648fe 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c
> @@ -102,7 +102,9 @@ nvc0_create_texture_view(struct pipe_context *pipe,
>
> desc = util_format_description(view->pipe.format);
>
> - tic[0] = nvc0_format_table[view->pipe.format].tic;
> + tic[0] = nvc0_format_table[view->pipe.format].tic & 0x3f;
Naturally this needs to be ~0x40. Oops. Fixed locally.
> + if (nvc0_format_table[view->pipe.format].tic & 0x40)
> + tic[0] |= 1U << 31;
>
> tex_int = util_format_is_pure_integer(view->pipe.format);
>
> --
> 2.4.10
>
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