[Mesa-dev] [PATCH 1/2] tgsi: add ISSG support
Brian Paul
brianp at vmware.com
Mon Jan 9 06:44:43 PST 2012
On 01/09/2012 04:54 AM, Dave Airlie wrote:
> From: Dave Airlie<airlied at redhat.com>
>
> This adds integer version of SSG that GLSL 1.30 can produce.
>
> Signed-off-by: Dave Airlie<airlied at redhat.com>
> ---
> src/gallium/auxiliary/tgsi/tgsi_exec.c | 14 ++++++++++++++
> src/gallium/auxiliary/tgsi/tgsi_info.c | 1 +
> src/gallium/include/pipe/p_shader_tokens.h | 3 ++-
> 3 files changed, 17 insertions(+), 1 deletions(-)
>
> diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
> index 61ab58a..3f62028 100644
> --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
> +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
> @@ -375,6 +375,16 @@ micro_sgn(union tgsi_exec_channel *dst,
> }
>
> static void
> +micro_isgn(union tgsi_exec_channel *dst,
> + const union tgsi_exec_channel *src)
> +{
> + dst->i[0] = src->i[0]< 0 ? -1 : src->i[0]> 0 ? 1 : 0;
> + dst->i[1] = src->i[1]< 0 ? -1 : src->i[1]> 0 ? 1 : 0;
> + dst->i[2] = src->i[2]< 0 ? -1 : src->i[2]> 0 ? 1 : 0;
> + dst->i[3] = src->i[3]< 0 ? -1 : src->i[3]> 0 ? 1 : 0;
> +}
> +
> +static void
> micro_sgt(union tgsi_exec_channel *dst,
> const union tgsi_exec_channel *src0,
> const union tgsi_exec_channel *src1)
> @@ -4203,6 +4213,10 @@ exec_instruction(
> exec_vector_unary(mach, inst, micro_iabs, TGSI_EXEC_DATA_INT, TGSI_EXEC_DATA_INT);
> break;
>
> + case TGSI_OPCODE_ISSG:
> + exec_vector_unary(mach, inst, micro_isgn, TGSI_EXEC_DATA_INT, TGSI_EXEC_DATA_INT);
> + break;
> +
> default:
> assert( 0 );
> }
> diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c
> index c9acdb9..5b26d8f 100644
> --- a/src/gallium/auxiliary/tgsi/tgsi_info.c
> +++ b/src/gallium/auxiliary/tgsi/tgsi_info.c
> @@ -193,6 +193,7 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
> { 1, 1, 0, 0, 0, 0, "UARL", TGSI_OPCODE_UARL },
> { 1, 3, 0, 0, 0, 0, "UCMP", TGSI_OPCODE_UCMP },
> { 1, 1, 0, 0, 0, 0, "IABS", TGSI_OPCODE_IABS },
> + { 1, 1, 0, 0, 0, 0, "ISSG", TGSI_OPCODE_ISSG },
> };
>
> const struct tgsi_opcode_info *
> diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
> index 75e17a1..c8c1cf2 100644
> --- a/src/gallium/include/pipe/p_shader_tokens.h
> +++ b/src/gallium/include/pipe/p_shader_tokens.h
> @@ -377,8 +377,9 @@ struct tgsi_property_data {
> #define TGSI_OPCODE_UARL 157
> #define TGSI_OPCODE_UCMP 158
> #define TGSI_OPCODE_IABS 159
> +#define TGSI_OPCODE_ISSG 160
>
> -#define TGSI_OPCODE_LAST 160
> +#define TGSI_OPCODE_LAST 161
>
> #define TGSI_SAT_NONE 0 /* do not saturate */
> #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */
Reviewed-by: Brian Paul <brianp at vmware.com>
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