[Mesa-dev] [PATCH 04/11] mesa: Add MESA_FORMAT_A8L8_{SNORM, SRGB}
Jason Ekstrand
jason at jlekstrand.net
Tue Sep 16 16:49:28 PDT 2014
Reviewed-by: Jason Ekstrand <jason.ekstrand at intel.com>
On Mon, Sep 15, 2014 at 11:28 PM, Dave Airlie <airlied at gmail.com> wrote:
> From: Richard Sandiford <rsandifo at linux.vnet.ibm.com>
>
> The associated UNORM format already existed.
>
> This means that each LnAn format has a reversed counterpart,
> which is necessary for handling big-endian mesa<->gallium mappings.
>
> [airlied: rebased onto current master]
>
> Signed-off-by: Richard Sandiford <rsandifo at linux.vnet.ibm.com>
> Reviewed-by: Brian Paul <brianp at vmware.com>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
> src/mesa/drivers/dri/i965/brw_surface_formats.c | 2 ++
> src/mesa/main/format_pack.c | 37
> +++++++++++++++++++++++++
> src/mesa/main/format_unpack.c | 29 +++++++++++++++++++
> src/mesa/main/formats.c | 10 +++++++
> src/mesa/main/formats.csv | 2 ++
> src/mesa/main/formats.h | 2 ++
> src/mesa/main/texformat.c | 3 ++
> src/mesa/swrast/s_texfetch.c | 2 ++
> src/mesa/swrast/s_texfetch_tmp.h | 24 ++++++++++++++++
> 9 files changed, 111 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_surface_formats.c
> b/src/mesa/drivers/dri/i965/brw_surface_formats.c
> index 974f2df..b726c27 100644
> --- a/src/mesa/drivers/dri/i965/brw_surface_formats.c
> +++ b/src/mesa/drivers/dri/i965/brw_surface_formats.c
> @@ -371,6 +371,7 @@ brw_format_for_mesa_format(mesa_format mesa_format)
> [MESA_FORMAT_R8G8B8A8_SRGB] = BRW_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB,
> [MESA_FORMAT_L_SRGB8] = BRW_SURFACEFORMAT_L8_UNORM_SRGB,
> [MESA_FORMAT_L8A8_SRGB] = BRW_SURFACEFORMAT_L8A8_UNORM_SRGB,
> + [MESA_FORMAT_A8L8_SRGB] = 0,
> [MESA_FORMAT_SRGB_DXT1] = BRW_SURFACEFORMAT_DXT1_RGB_SRGB,
> [MESA_FORMAT_SRGBA_DXT1] = BRW_SURFACEFORMAT_BC1_UNORM_SRGB,
> [MESA_FORMAT_SRGBA_DXT3] = BRW_SURFACEFORMAT_BC2_UNORM_SRGB,
> @@ -495,6 +496,7 @@ brw_format_for_mesa_format(mesa_format mesa_format)
> [MESA_FORMAT_A_SNORM8] = 0,
> [MESA_FORMAT_L_SNORM8] = 0,
> [MESA_FORMAT_L8A8_SNORM] = 0,
> + [MESA_FORMAT_A8L8_SNORM] = 0,
> [MESA_FORMAT_I_SNORM8] = 0,
> [MESA_FORMAT_A_SNORM16] = 0,
> [MESA_FORMAT_L_SNORM16] = 0,
> diff --git a/src/mesa/main/format_pack.c b/src/mesa/main/format_pack.c
> index 6cbf859..231fd6c 100644
> --- a/src/mesa/main/format_pack.c
> +++ b/src/mesa/main/format_pack.c
> @@ -1129,6 +1129,16 @@ pack_ubyte_L8A8_SRGB(const GLubyte src[4], void
> *dst)
> *d = PACK_COLOR_88(src[ACOMP], l);
> }
>
> +/* MESA_FORMAT_A8L8_SRGB */
> +
> +static void
> +pack_ubyte_A8L8_SRGB(const GLubyte src[4], void *dst)
> +{
> + GLushort *d = ((GLushort *) dst);
> + GLubyte l = util_format_linear_to_srgb_8unorm(src[RCOMP]);
> + *d = PACK_COLOR_88(l, src[ACOMP]);
> +}
> +
> static void
> pack_float_L8A8_SRGB(const GLfloat src[4], void *dst)
> {
> @@ -1138,6 +1148,15 @@ pack_float_L8A8_SRGB(const GLfloat src[4], void
> *dst)
> *d = PACK_COLOR_88(a, l);
> }
>
> +static void
> +pack_float_A8L8_SRGB(const GLfloat src[4], void *dst)
> +{
> + GLushort *d = ((GLushort *) dst);
> + GLubyte a, l = util_format_linear_float_to_srgb_8unorm(src[RCOMP]);
> + CLAMPED_FLOAT_TO_UBYTE(a, src[ACOMP]);
> + *d = PACK_COLOR_88(l, a);
> +}
> +
>
> /* MESA_FORMAT_RGBA_FLOAT32 */
>
> @@ -1563,6 +1582,20 @@ pack_float_L8A8_SNORM(const GLfloat src[4], void
> *dst)
>
>
> /*
> + * MESA_FORMAT_A8L8_SNORM
> + */
> +
> +static void
> +pack_float_A8L8_SNORM(const GLfloat src[4], void *dst)
> +{
> + GLushort *d = (GLushort *) dst;
> + GLbyte l = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f));
> + GLbyte a = FLOAT_TO_BYTE(CLAMP(src[ACOMP], -1.0f, 1.0f));
> + *d = (l << 8) | a;
> +}
> +
> +
> +/*
> * MESA_FORMAT_A_SNORM16
> */
>
> @@ -1936,6 +1969,7 @@ _mesa_get_pack_ubyte_rgba_function(mesa_format
> format)
> table[MESA_FORMAT_R8G8B8A8_SRGB] = pack_ubyte_R8G8B8A8_SRGB;
> table[MESA_FORMAT_L_SRGB8] = pack_ubyte_L_SRGB8;
> table[MESA_FORMAT_L8A8_SRGB] = pack_ubyte_L8A8_SRGB;
> + table[MESA_FORMAT_A8L8_SRGB] = pack_ubyte_A8L8_SRGB;
> /* n/a */
> table[MESA_FORMAT_SRGB_DXT1] = NULL; /* pack_ubyte_SRGB_DXT1; */
> table[MESA_FORMAT_SRGBA_DXT1] = NULL; /* pack_ubyte_SRGBA_DXT1; */
> @@ -1989,6 +2023,7 @@ _mesa_get_pack_ubyte_rgba_function(mesa_format
> format)
> table[MESA_FORMAT_A_SNORM8] = NULL;
> table[MESA_FORMAT_L_SNORM8] = NULL;
> table[MESA_FORMAT_L8A8_SNORM] = NULL;
> + table[MESA_FORMAT_A8L8_SNORM] = NULL;
> table[MESA_FORMAT_I_SNORM8] = NULL;
> table[MESA_FORMAT_A_SNORM16] = NULL;
> table[MESA_FORMAT_L_SNORM16] = NULL;
> @@ -2099,6 +2134,7 @@ _mesa_get_pack_float_rgba_function(mesa_format
> format)
> table[MESA_FORMAT_R8G8B8A8_SRGB] = pack_float_R8G8B8A8_SRGB;
> table[MESA_FORMAT_L_SRGB8] = pack_float_L_SRGB8;
> table[MESA_FORMAT_L8A8_SRGB] = pack_float_L8A8_SRGB;
> + table[MESA_FORMAT_A8L8_SRGB] = pack_float_A8L8_SRGB;
>
> /* n/a */
> table[MESA_FORMAT_SRGB_DXT1] = NULL;
> @@ -2153,6 +2189,7 @@ _mesa_get_pack_float_rgba_function(mesa_format
> format)
> table[MESA_FORMAT_A_SNORM8] = pack_float_A_SNORM8;
> table[MESA_FORMAT_L_SNORM8] = pack_float_L_SNORM8;
> table[MESA_FORMAT_L8A8_SNORM] = pack_float_L8A8_SNORM;
> + table[MESA_FORMAT_A8L8_SNORM] = pack_float_A8L8_SNORM;
> table[MESA_FORMAT_I_SNORM8] = pack_float_L_SNORM8; /* reused */
> table[MESA_FORMAT_A_SNORM16] = pack_float_A_SNORM16;
> table[MESA_FORMAT_L_SNORM16] = pack_float_L_SNORM16;
> diff --git a/src/mesa/main/format_unpack.c b/src/mesa/main/format_unpack.c
> index b84ed02..eed92d8 100644
> --- a/src/mesa/main/format_unpack.c
> +++ b/src/mesa/main/format_unpack.c
> @@ -809,6 +809,19 @@ unpack_L8A8_SRGB(const void *src, GLfloat dst[][4],
> GLuint n)
> }
>
> static void
> +unpack_A8L8_SRGB(const void *src, GLfloat dst[][4], GLuint n)
> +{
> + const GLushort *s = (const GLushort *) src;
> + GLuint i;
> + for (i = 0; i < n; i++) {
> + dst[i][RCOMP] =
> + dst[i][GCOMP] =
> + dst[i][BCOMP] = util_format_srgb_8unorm_to_linear_float(s[i] >> 8);
> + dst[i][ACOMP] = UBYTE_TO_FLOAT(s[i] & 0xff); /* linear! */
> + }
> +}
> +
> +static void
> unpack_SRGB_DXT1(const void *src, GLfloat dst[][4], GLuint n)
> {
> }
> @@ -1965,6 +1978,20 @@ unpack_L8A8_SNORM(const void *src, GLfloat
> dst[][4], GLuint n)
> }
> }
>
> +
> +static void
> +unpack_A8L8_SNORM(const void *src, GLfloat dst[][4], GLuint n)
> +{
> + const GLshort *s = ((const GLshort *) src);
> + GLuint i;
> + for (i = 0; i < n; i++) {
> + dst[i][RCOMP] =
> + dst[i][GCOMP] =
> + dst[i][BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] >> 8) );
> + dst[i][ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s[i] & 0xff) );
> + }
> +}
> +
> static void
> unpack_I_SNORM8(const void *src, GLfloat dst[][4], GLuint n)
> {
> @@ -2364,6 +2391,7 @@ get_unpack_rgba_function(mesa_format format)
> table[MESA_FORMAT_R8G8B8A8_SRGB] = unpack_R8G8B8A8_SRGB;
> table[MESA_FORMAT_L_SRGB8] = unpack_L_SRGB8;
> table[MESA_FORMAT_L8A8_SRGB] = unpack_L8A8_SRGB;
> + table[MESA_FORMAT_A8L8_SRGB] = unpack_A8L8_SRGB;
> table[MESA_FORMAT_SRGB_DXT1] = unpack_SRGB_DXT1;
> table[MESA_FORMAT_SRGBA_DXT1] = unpack_SRGBA_DXT1;
> table[MESA_FORMAT_SRGBA_DXT3] = unpack_SRGBA_DXT3;
> @@ -2483,6 +2511,7 @@ get_unpack_rgba_function(mesa_format format)
> table[MESA_FORMAT_A_SNORM8] = unpack_A_SNORM8;
> table[MESA_FORMAT_L_SNORM8] = unpack_L_SNORM8;
> table[MESA_FORMAT_L8A8_SNORM] = unpack_L8A8_SNORM;
> + table[MESA_FORMAT_A8L8_SNORM] = unpack_A8L8_SNORM;
> table[MESA_FORMAT_I_SNORM8] = unpack_I_SNORM8;
> table[MESA_FORMAT_A_SNORM16] = unpack_A_SNORM16;
> table[MESA_FORMAT_L_SNORM16] = unpack_L_SNORM16;
> diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
> index db22a45..8fd36a0 100644
> --- a/src/mesa/main/formats.c
> +++ b/src/mesa/main/formats.c
> @@ -360,6 +360,7 @@ _mesa_get_format_color_encoding(mesa_format format)
> case MESA_FORMAT_R8G8B8A8_SRGB:
> case MESA_FORMAT_L_SRGB8:
> case MESA_FORMAT_L8A8_SRGB:
> + case MESA_FORMAT_A8L8_SRGB:
> case MESA_FORMAT_SRGB_DXT1:
> case MESA_FORMAT_SRGBA_DXT1:
> case MESA_FORMAT_SRGBA_DXT3:
> @@ -428,6 +429,9 @@ _mesa_get_srgb_format_linear(mesa_format format)
> case MESA_FORMAT_L8A8_SRGB:
> format = MESA_FORMAT_L8A8_UNORM;
> break;
> + case MESA_FORMAT_A8L8_SRGB:
> + format = MESA_FORMAT_A8L8_UNORM;
> + break;
> case MESA_FORMAT_SRGB_DXT1:
> format = MESA_FORMAT_RGB_DXT1;
> break;
> @@ -919,6 +923,7 @@ _mesa_format_to_type_and_comps(mesa_format format,
> return;
> case MESA_FORMAT_R8G8_SNORM:
> case MESA_FORMAT_L8A8_SNORM:
> + case MESA_FORMAT_A8L8_SNORM:
> *datatype = GL_BYTE;
> *comps = 2;
> return;
> @@ -970,6 +975,7 @@ _mesa_format_to_type_and_comps(mesa_format format,
> *comps = 1;
> return;
> case MESA_FORMAT_L8A8_SRGB:
> + case MESA_FORMAT_A8L8_SRGB:
> *datatype = GL_UNSIGNED_BYTE;
> *comps = 2;
> return;
> @@ -1475,6 +1481,7 @@ _mesa_format_matches_format_and_type(mesa_format
> mesa_format,
> case MESA_FORMAT_L8A8_SRGB:
> return format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE &&
> littleEndian;
> case MESA_FORMAT_A8L8_UNORM:
> + case MESA_FORMAT_A8L8_SRGB:
> return GL_FALSE;
>
> case MESA_FORMAT_L16A16_UNORM:
> @@ -1797,6 +1804,9 @@ _mesa_format_matches_format_and_type(mesa_format
> mesa_format,
> case MESA_FORMAT_L8A8_SNORM:
> return format == GL_LUMINANCE_ALPHA && type == GL_BYTE &&
> littleEndian && !swapBytes;
> + case MESA_FORMAT_A8L8_SNORM:
> + return format == GL_LUMINANCE_ALPHA && type == GL_BYTE &&
> + !littleEndian && !swapBytes;
> case MESA_FORMAT_I_SNORM8:
> return format == GL_RED && type == GL_BYTE;
> case MESA_FORMAT_A_SNORM16:
> diff --git a/src/mesa/main/formats.csv b/src/mesa/main/formats.csv
> index 4d542b7..b4d16de 100644
> --- a/src/mesa/main/formats.csv
> +++ b/src/mesa/main/formats.csv
> @@ -119,6 +119,7 @@ MESA_FORMAT_G16R16_SNORM , packed, 1,
> 1, sn16, sn16, ,
> MESA_FORMAT_R8G8_SNORM , packed, 1, 1, sn8 , sn8 ,
> , , xy01, rgb
> MESA_FORMAT_G8R8_SNORM , packed, 1, 1, sn8 , sn8 ,
> , , yx01, rgb
> MESA_FORMAT_L8A8_SNORM , packed, 1, 1, sn8 , sn8 ,
> , , xxxy, rgb
> +MESA_FORMAT_A8L8_SNORM , packed, 1, 1, sn8 , sn8 ,
> , , yyyx, rgb
>
> # Array signed/normalized formats
> MESA_FORMAT_A_SNORM8 , array , 1, 1, sn8 , ,
> , , 000x, rgb
> @@ -141,6 +142,7 @@ MESA_FORMAT_B8G8R8X8_SRGB , packed, 1,
> 1, un8 , un8 , un8 , x8
> MESA_FORMAT_R8G8B8A8_SRGB , packed, 1, 1, un8 , un8 , un8
> , un8 , xyzw, srgb
> MESA_FORMAT_R8G8B8X8_SRGB , packed, 1, 1, un8 , un8 , un8
> , x8 , xyz1, srgb
> MESA_FORMAT_L8A8_SRGB , packed, 1, 1, un8 , un8 ,
> , , xxxy, srgb
> +MESA_FORMAT_A8L8_SRGB , packed, 1, 1, un8 , un8 ,
> , , yyyx, srgb
>
> # Array sRGB formats
> MESA_FORMAT_L_SRGB8 , array , 1, 1, un8 , ,
> , , xxx1, srgb
> diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
> index d6253bf..8671738 100644
> --- a/src/mesa/main/formats.h
> +++ b/src/mesa/main/formats.h
> @@ -265,6 +265,7 @@ typedef enum
> MESA_FORMAT_R8G8_SNORM, /* GGGG GGGG RRRR
> RRRR */
> MESA_FORMAT_G8R8_SNORM, /* RRRR RRRR GGGG
> GGGG */
> MESA_FORMAT_L8A8_SNORM, /* AAAA AAAA LLLL
> LLLL */
> + MESA_FORMAT_A8L8_SNORM, /* LLLL LLLL AAAA
> AAAA */
>
> /* Array signed/normalized formats */
> MESA_FORMAT_A_SNORM8, /* byte[i] = A */
> @@ -287,6 +288,7 @@ typedef enum
> MESA_FORMAT_R8G8B8A8_SRGB, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR
> RRRR */
> MESA_FORMAT_R8G8B8X8_SRGB, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR
> RRRR */
> MESA_FORMAT_L8A8_SRGB, /* AAAA AAAA LLLL
> LLLL */
> + MESA_FORMAT_A8L8_SRGB, /* LLLL LLLL AAAA
> AAAA */
>
> /* Array sRGB formats */
> MESA_FORMAT_L_SRGB8, /* ubyte[i] = L */
> diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
> index 6d3b805..09e307c 100644
> --- a/src/mesa/main/texformat.c
> +++ b/src/mesa/main/texformat.c
> @@ -485,6 +485,7 @@ _mesa_choose_tex_format(struct gl_context *ctx, GLenum
> target,
> case GL_LUMINANCE_ALPHA_SNORM:
> case GL_LUMINANCE8_ALPHA8_SNORM:
> RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SNORM);
> + RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SNORM);
> RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
> RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
> break;
> @@ -555,6 +556,7 @@ _mesa_choose_tex_format(struct gl_context *ctx, GLenum
> target,
> case GL_SLUMINANCE_ALPHA_EXT:
> case GL_SLUMINANCE8_ALPHA8_EXT:
> RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB);
> + RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB);
> RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
> break;
> case GL_COMPRESSED_SLUMINANCE_EXT:
> @@ -563,6 +565,7 @@ _mesa_choose_tex_format(struct gl_context *ctx, GLenum
> target,
> break;
> case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
> RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB);
> + RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB);
> RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
> break;
> case GL_COMPRESSED_SRGB_EXT:
> diff --git a/src/mesa/swrast/s_texfetch.c b/src/mesa/swrast/s_texfetch.c
> index 38d71ca..dfba190 100644
> --- a/src/mesa/swrast/s_texfetch.c
> +++ b/src/mesa/swrast/s_texfetch.c
> @@ -210,6 +210,7 @@ texfetch_funcs[] =
> FETCH_FUNCS(R8G8_SNORM),
> FETCH_NULL(G8R8_SNORM),
> FETCH_FUNCS(L8A8_SNORM),
> + FETCH_FUNCS(A8L8_SNORM),
>
> /* Array signed/normalized formats */
> FETCH_FUNCS(A_SNORM8),
> @@ -232,6 +233,7 @@ texfetch_funcs[] =
> FETCH_FUNCS(R8G8B8A8_SRGB),
> FETCH_FUNCS(R8G8B8X8_SRGB),
> FETCH_FUNCS(L8A8_SRGB),
> + FETCH_FUNCS(A8L8_SRGB),
>
> /* Array sRGB formats */
> FETCH_FUNCS(L_SRGB8),
> diff --git a/src/mesa/swrast/s_texfetch_tmp.h
> b/src/mesa/swrast/s_texfetch_tmp.h
> index 3923e2b..81ae045 100644
> --- a/src/mesa/swrast/s_texfetch_tmp.h
> +++ b/src/mesa/swrast/s_texfetch_tmp.h
> @@ -817,6 +817,18 @@ FETCH(L8A8_SRGB)(const struct swrast_texture_image
> *texImage,
>
>
> static void
> +FETCH(A8L8_SRGB)(const struct swrast_texture_image *texImage,
> + GLint i, GLint j, GLint k, GLfloat *texel)
> +{
> + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 2);
> + texel[RCOMP] =
> + texel[GCOMP] =
> + texel[BCOMP] = nonlinear_to_linear(s >> 8);
> + texel[ACOMP] = UBYTE_TO_FLOAT(s & 0xff); /* linear */
> +}
> +
> +
> +static void
> FETCH(RGBA_SINT8)(const struct swrast_texture_image *texImage,
> GLint i, GLint j, GLint k, GLfloat *texel)
> {
> @@ -961,6 +973,18 @@ FETCH(L8A8_SNORM)(const struct swrast_texture_image
> *texImage,
>
>
> static void
> +FETCH(A8L8_SNORM)(const struct swrast_texture_image *texImage,
> + GLint i, GLint j, GLint k, GLfloat *texel)
> +{
> + const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
> + texel[RCOMP] =
> + texel[GCOMP] =
> + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
> + texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) );
> +}
> +
> +
> +static void
> FETCH(X8B8G8R8_SNORM)(const struct swrast_texture_image *texImage,
> GLint i, GLint j, GLint k, GLfloat *texel)
> {
> --
> 1.9.3
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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