[PATCH 2/4] etnaviv: add support for swizzled texture formats
Wladimir J. van der Laan
laanwj at gmail.com
Mon Jun 26 14:27:23 UTC 2017
On Sat, Jun 24, 2017 at 10:41:58AM +0200, Christian Gmeiner wrote:
> Hi
>
> 2017-06-22 14:39 GMT+02:00 Wladimir J. van der Laan <laanwj at gmail.com>:
> > On Wed, Jun 21, 2017 at 10:36:46PM +0200, Christian Gmeiner wrote:
> >> Passes all ext_texture_swizzle piglits.
> >
> > You seem to have dropped the check in etnaviv_screen.c for HALTI0 when texture
> > formats have implicit non-identity swizzle.
> > I do think that is necessary as those formats don't work on <GC2000.
> >
>
> Yeah I totally overlooked it :( What do you think about something like this:
Reviewed-By: Wladimir J. van der Laan <laanwj at gmail.com>
>
> ------------>8-----------
>
> From ad780e77bfac7ed5c5427ad4b850d3b596558f0a Mon Sep 17 00:00:00 2001
> From: Christian Gmeiner <christian.gmeiner at gmail.com>
> Date: Fri, 16 Jun 2017 17:02:29 +0200
> Subject: [PATCH] etnaviv: add support for swizzled texture formats
>
> Passes all ext_texture_swizzle piglits.
>
> Signed-off-by: Christian Gmeiner <christian.gmeiner at gmail.com>
> ---
> src/gallium/drivers/etnaviv/etnaviv_format.c | 103 ++++++++++++++++++--------
> src/gallium/drivers/etnaviv/etnaviv_format.h | 7 ++
> src/gallium/drivers/etnaviv/etnaviv_screen.c | 19 +++--
> src/gallium/drivers/etnaviv/etnaviv_texture.c | 9 +--
> 4 files changed, 99 insertions(+), 39 deletions(-)
>
> diff --git a/src/gallium/drivers/etnaviv/etnaviv_format.c
> b/src/gallium/drivers/etnaviv/etnaviv_format.c
> index e9cd1040b5..ee50b52962 100644
> --- a/src/gallium/drivers/etnaviv/etnaviv_format.c
> +++ b/src/gallium/drivers/etnaviv/etnaviv_format.c
> @@ -40,6 +40,7 @@ struct etna_format {
> unsigned tex;
> unsigned rs;
> boolean present;
> + const unsigned char tex_swiz[4];
> };
>
> #define RS_FORMAT_NONE ~0
> @@ -51,22 +52,31 @@ struct etna_format {
> #define RS_FORMAT_X8B8G8R8 (RS_FORMAT_X8R8G8B8 | RS_FORMAT_RB_SWAP)
> #define RS_FORMAT_A8B8G8R8 (RS_FORMAT_A8R8G8B8 | RS_FORMAT_RB_SWAP)
>
> +#define SWIZ(x,y,z,w) { \
> + PIPE_SWIZZLE_##x, \
> + PIPE_SWIZZLE_##y, \
> + PIPE_SWIZZLE_##z, \
> + PIPE_SWIZZLE_##w \
> +}
> +
> /* vertex + texture */
> -#define VT(pipe, vtxfmt, texfmt, rsfmt) \
> +#define VT(pipe, vtxfmt, texfmt, texswiz, rsfmt) \
> [PIPE_FORMAT_##pipe] = { \
> .vtx = VIVS_FE_VERTEX_ELEMENT_CONFIG_TYPE_##vtxfmt, \
> .tex = TEXTURE_FORMAT_##texfmt, \
> .rs = RS_FORMAT_##rsfmt, \
> .present = 1, \
> + .tex_swiz = texswiz, \
> }
>
> /* texture-only */
> -#define _T(pipe, fmt, rsfmt) \
> +#define _T(pipe, fmt, swiz, rsfmt) \
> [PIPE_FORMAT_##pipe] = { \
> .vtx = ETNA_NO_MATCH, \
> .tex = TEXTURE_FORMAT_##fmt, \
> .rs = RS_FORMAT_##rsfmt, \
> .present = 1, \
> + .tex_swiz = swiz, \
> }
>
> /* vertex-only */
> @@ -87,9 +97,9 @@ static struct etna_format formats[PIPE_FORMAT_COUNT] = {
> V_(R8_USCALED, UNSIGNED_BYTE, NONE),
> V_(R8_SSCALED, BYTE, NONE),
>
> - _T(A8_UNORM, A8, NONE),
> - _T(L8_UNORM, L8, NONE),
> - _T(I8_UNORM, I8, NONE),
> + _T(A8_UNORM, A8, SWIZ(X, Y, Z, W), NONE),
> + _T(L8_UNORM, L8, SWIZ(X, Y, Z, W), NONE),
> + _T(I8_UNORM, I8, SWIZ(X, Y, Z, W), NONE),
>
> /* 16-bit */
> V_(R16_UNORM, UNSIGNED_SHORT, NONE),
> @@ -100,15 +110,15 @@ static struct etna_format formats[PIPE_FORMAT_COUNT] = {
> V_(R16_SSCALED, SHORT, NONE),
> V_(R16_FLOAT, HALF_FLOAT, NONE),
>
> - _T(B4G4R4A4_UNORM, A4R4G4B4, A4R4G4B4),
> - _T(B4G4R4X4_UNORM, X4R4G4B4, X4R4G4B4),
> + _T(B4G4R4A4_UNORM, A4R4G4B4, SWIZ(X, Y, Z, W), A4R4G4B4),
> + _T(B4G4R4X4_UNORM, X4R4G4B4, SWIZ(X, Y, Z, W), X4R4G4B4),
>
> - _T(L8A8_UNORM, A8L8, NONE),
> + _T(L8A8_UNORM, A8L8, SWIZ(X, Y, Z, W), NONE),
>
> - _T(Z16_UNORM, D16, A4R4G4B4),
> - _T(B5G6R5_UNORM, R5G6B5, R5G6B5),
> - _T(B5G5R5A1_UNORM, A1R5G5B5, A1R5G5B5),
> - _T(B5G5R5X1_UNORM, X1R5G5B5, X1R5G5B5),
> + _T(Z16_UNORM, D16, SWIZ(X, Y, Z, W), A4R4G4B4),
> + _T(B5G6R5_UNORM, R5G6B5, SWIZ(X, Y, Z, W), R5G6B5),
> + _T(B5G5R5A1_UNORM, A1R5G5B5, SWIZ(X, Y, Z, W), A1R5G5B5),
> + _T(B5G5R5X1_UNORM, X1R5G5B5, SWIZ(X, Y, Z, W), X1R5G5B5),
>
> V_(R8G8_UNORM, UNSIGNED_BYTE, NONE),
> V_(R8G8_SNORM, BYTE, NONE),
> @@ -147,25 +157,25 @@ static struct etna_format formats[PIPE_FORMAT_COUNT] = {
>
> V_(R8G8B8A8_UNORM, UNSIGNED_BYTE, A8B8G8R8),
> V_(R8G8B8A8_SNORM, BYTE, A8B8G8R8),
> - _T(R8G8B8X8_UNORM, X8B8G8R8, X8B8G8R8),
> + _T(R8G8B8X8_UNORM, X8B8G8R8, SWIZ(X, Y, Z, W), X8B8G8R8),
> V_(R8G8B8A8_UINT, UNSIGNED_BYTE, A8B8G8R8),
> V_(R8G8B8A8_SINT, BYTE, A8B8G8R8),
> V_(R8G8B8A8_USCALED, UNSIGNED_BYTE, A8B8G8R8),
> V_(R8G8B8A8_SSCALED, BYTE, A8B8G8R8),
>
> - _T(R8G8B8A8_UNORM, A8B8G8R8, A8B8G8R8),
> - _T(R8G8B8X8_UNORM, X8B8G8R8, X8B8G8R8),
> + _T(R8G8B8A8_UNORM, A8B8G8R8, SWIZ(X, Y, Z, W), A8B8G8R8),
> + _T(R8G8B8X8_UNORM, X8B8G8R8, SWIZ(X, Y, Z, W), X8B8G8R8),
>
> - _T(B8G8R8A8_UNORM, A8R8G8B8, A8R8G8B8),
> - _T(B8G8R8X8_UNORM, X8R8G8B8, X8R8G8B8),
> + _T(B8G8R8A8_UNORM, A8R8G8B8, SWIZ(X, Y, Z, W), A8R8G8B8),
> + _T(B8G8R8X8_UNORM, X8R8G8B8, SWIZ(X, Y, Z, W), X8R8G8B8),
>
> V_(R10G10B10A2_UNORM, UNSIGNED_INT_10_10_10_2, NONE),
> V_(R10G10B10A2_SNORM, INT_10_10_10_2, NONE),
> V_(R10G10B10A2_USCALED, UNSIGNED_INT_10_10_10_2, NONE),
> V_(R10G10B10A2_SSCALED, INT_10_10_10_2, NONE),
>
> - _T(X8Z24_UNORM, D24S8, A8R8G8B8),
> - _T(S8_UINT_Z24_UNORM, D24S8, A8R8G8B8),
> + _T(X8Z24_UNORM, D24S8, SWIZ(X, Y, Z, W), A8R8G8B8),
> + _T(S8_UINT_Z24_UNORM, D24S8, SWIZ(X, Y, Z, W), A8R8G8B8),
>
> /* 48-bit */
> V_(R16G16B16_UNORM, UNSIGNED_SHORT, NONE),
> @@ -215,30 +225,65 @@ static struct etna_format formats[PIPE_FORMAT_COUNT] = {
> V_(R32G32B32A32_FIXED, FIXED, NONE),
>
> /* compressed */
> - _T(ETC1_RGB8, ETC1, NONE),
> + _T(ETC1_RGB8, ETC1, SWIZ(X, Y, Z, W), NONE),
>
> - _T(DXT1_RGB, DXT1, NONE),
> - _T(DXT1_RGBA, DXT1, NONE),
> - _T(DXT3_RGBA, DXT2_DXT3, NONE),
> - _T(DXT3_RGBA, DXT2_DXT3, NONE),
> - _T(DXT5_RGBA, DXT4_DXT5, NONE),
> + _T(DXT1_RGB, DXT1, SWIZ(X, Y, Z, W), NONE),
> + _T(DXT1_RGBA, DXT1, SWIZ(X, Y, Z, W), NONE),
> + _T(DXT3_RGBA, DXT2_DXT3, SWIZ(X, Y, Z, W), NONE),
> + _T(DXT3_RGBA, DXT2_DXT3, SWIZ(X, Y, Z, W), NONE),
> + _T(DXT5_RGBA, DXT4_DXT5, SWIZ(X, Y, Z, W), NONE),
>
> /* YUV */
> - _T(YUYV, YUY2, YUY2),
> - _T(UYVY, UYVY, NONE),
> + _T(YUYV, YUY2, SWIZ(X, Y, Z, W), YUY2),
> + _T(UYVY, UYVY, SWIZ(X, Y, Z, W), NONE),
> };
>
> uint32_t
> translate_texture_format(enum pipe_format fmt)
> {
> - /* XXX with swizzle on newer chips we can
> - * support much more */
> if (!formats[fmt].present)
> return ETNA_NO_MATCH;
>
> return formats[fmt].tex;
> }
>
> +bool
> +texture_format_needs_swiz(enum pipe_format fmt)
> +{
> + static const unsigned char def[4] = SWIZ(X, Y, Z, W);
> + bool swiz = false;
> +
> + if (formats[fmt].present)
> + swiz = !memcmp(def, formats[fmt].tex_swiz,
> sizeof(formats[fmt].tex_swiz));
> +
> + return swiz;
> +}
> +
> +uint32_t
> +get_texture_swiz(enum pipe_format fmt, unsigned swizzle_r,
> + unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a)
> +{
> + unsigned char swiz[4] = {
> + swizzle_r, swizzle_g, swizzle_b, swizzle_a,
> + }, rswiz[4];
> +
> + assert(formats[fmt].present);
> + util_format_compose_swizzles(formats[fmt].tex_swiz, swiz, rswiz);
> +
> + /* PIPE_SWIZZLE_ maps 1:1 to TEXTURE_SWIZZLE_ */
> + STATIC_ASSERT(PIPE_SWIZZLE_X == TEXTURE_SWIZZLE_RED);
> + STATIC_ASSERT(PIPE_SWIZZLE_Y == TEXTURE_SWIZZLE_GREEN);
> + STATIC_ASSERT(PIPE_SWIZZLE_Z == TEXTURE_SWIZZLE_BLUE);
> + STATIC_ASSERT(PIPE_SWIZZLE_W == TEXTURE_SWIZZLE_ALPHA);
> + STATIC_ASSERT(PIPE_SWIZZLE_0 == TEXTURE_SWIZZLE_ZERO);
> + STATIC_ASSERT(PIPE_SWIZZLE_1 == TEXTURE_SWIZZLE_ONE);
> +
> + return VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(rswiz[0]) |
> + VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_G(rswiz[1]) |
> + VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_B(rswiz[2]) |
> + VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_A(rswiz[3]);
> +}
> +
> uint32_t
> translate_rs_format(enum pipe_format fmt)
> {
> diff --git a/src/gallium/drivers/etnaviv/etnaviv_format.h
> b/src/gallium/drivers/etnaviv/etnaviv_format.h
> index 1170d79a6c..543e30965d 100644
> --- a/src/gallium/drivers/etnaviv/etnaviv_format.h
> +++ b/src/gallium/drivers/etnaviv/etnaviv_format.h
> @@ -36,6 +36,13 @@
> uint32_t
> translate_texture_format(enum pipe_format fmt);
>
> +bool
> +texture_format_needs_swiz(enum pipe_format fmt);
> +
> +uint32_t
> +get_texture_swiz(enum pipe_format fmt, unsigned swizzle_r,
> + unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a);
> +
> uint32_t
> translate_rs_format(enum pipe_format fmt);
>
> diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c
> b/src/gallium/drivers/etnaviv/etnaviv_screen.c
> index a69aef09cd..19d3d91192 100644
> --- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
> +++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
> @@ -155,6 +155,7 @@ etna_screen_get_param(struct pipe_screen *pscreen,
> enum pipe_cap param)
> return true; /* VIV_FEATURE(priv->dev, chipMinorFeatures1,
> NON_POWER_OF_TWO); */
>
> + case PIPE_CAP_TEXTURE_SWIZZLE:
> case PIPE_CAP_PRIMITIVE_RESTART:
> return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
>
> @@ -164,7 +165,6 @@ etna_screen_get_param(struct pipe_screen *pscreen,
> enum pipe_cap param)
>
> /* Unsupported features. */
> case PIPE_CAP_SEAMLESS_CUBE_MAP:
> - case PIPE_CAP_TEXTURE_SWIZZLE: /* XXX supported on gc2000 */
> case PIPE_CAP_COMPUTE: /* XXX supported on gc2000 */
> case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: /* only one colorbuffer
> supported, so mixing makes no sense */
> case PIPE_CAP_CONDITIONAL_RENDER: /* no occlusion queries */
> @@ -459,15 +459,24 @@ etna_screen_get_timestamp(struct pipe_screen *pscreen)
> }
>
> static bool
> -gpu_supports_texure_format(struct etna_screen *screen, uint32_t fmt)
> +gpu_supports_texure_format(struct etna_screen *screen, uint32_t fmt,
> + enum pipe_format format)
> {
> + bool supported = true;
> +
> if (fmt == TEXTURE_FORMAT_ETC1)
> - return VIV_FEATURE(screen, chipFeatures, ETC1_TEXTURE_COMPRESSION);
> + supported = VIV_FEATURE(screen, chipFeatures, ETC1_TEXTURE_COMPRESSION);
>
> if (fmt >= TEXTURE_FORMAT_DXT1 && fmt <= TEXTURE_FORMAT_DXT4_DXT5)
> - return VIV_FEATURE(screen, chipFeatures, DXT_TEXTURE_COMPRESSION);
> + supported = VIV_FEATURE(screen, chipFeatures, DXT_TEXTURE_COMPRESSION);
>
> if (fmt & EXT_FORMAT)
> + supported = VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
> +
> + if (!supported)
> + return false;
> +
> + if (texture_format_needs_swiz(format))
> return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
>
> return true;
> @@ -514,7 +523,7 @@ etna_screen_is_format_supported(struct pipe_screen *pscreen,
> if (usage & PIPE_BIND_SAMPLER_VIEW) {
> uint32_t fmt = translate_texture_format(format);
>
> - if (!gpu_supports_texure_format(screen, fmt))
> + if (!gpu_supports_texure_format(screen, fmt, format))
> fmt = ETNA_NO_MATCH;
>
> if (sample_count < 2 && fmt != ETNA_NO_MATCH)
> diff --git a/src/gallium/drivers/etnaviv/etnaviv_texture.c
> b/src/gallium/drivers/etnaviv/etnaviv_texture.c
> index f973bcb77e..05fc7da58f 100644
> --- a/src/gallium/drivers/etnaviv/etnaviv_texture.c
> +++ b/src/gallium/drivers/etnaviv/etnaviv_texture.c
> @@ -163,6 +163,9 @@ etna_create_sampler_view(struct pipe_context
> *pctx, struct pipe_resource *prsc,
> struct etna_context *ctx = etna_context(pctx);
> const uint32_t format = translate_texture_format(so->format);
> const bool ext = !!(format & EXT_FORMAT);
> + const uint32_t swiz = get_texture_swiz(so->format, so->swizzle_r,
> + so->swizzle_g, so->swizzle_b,
> + so->swizzle_a);
>
> if (!sv)
> return NULL;
> @@ -217,11 +220,7 @@ etna_create_sampler_view(struct pipe_context
> *pctx, struct pipe_resource *prsc,
> }
>
> sv->TE_SAMPLER_CONFIG1 = COND(ext,
> VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(format)) |
> - VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(so->swizzle_r) |
> - VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_G(so->swizzle_g) |
> - VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_B(so->swizzle_b) |
> - VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_A(so->swizzle_a) |
> - VIVS_TE_SAMPLER_CONFIG1_HALIGN(res->halign);
> + VIVS_TE_SAMPLER_CONFIG1_HALIGN(res->halign) | swiz;
> sv->TE_SAMPLER_SIZE = VIVS_TE_SAMPLER_SIZE_WIDTH(res->base.width0) |
> VIVS_TE_SAMPLER_SIZE_HEIGHT(res->base.height0);
> sv->TE_SAMPLER_LOG_SIZE =
>
> ------------>8-----------
>
> greets
> --
> Christian Gmeiner, MSc
>
> https://www.youtube.com/user/AloryOFFICIAL
> https://soundcloud.com/christian-gmeiner
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