[Mesa-dev] [PATCH v2] gallium: Add MULTISAMPLE_Z_RESOLVE cap
Marek Olšák
maraeo at gmail.com
Mon Jan 19 14:56:53 PST 2015
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
For the next time: It's customary to include "(v2)" on the first line
of the commit message and "v2: ... explanation" before the sign-off.
Marek
On Mon, Jan 19, 2015 at 11:17 PM, Axel Davy <axel.davy at ens.fr> wrote:
> Resolving a multisampled depth texture into
> a single sampled texture is supported on >= SM4.1
> hw. It is possible some previous hw support it.
>
> The ability was tested on radeonsi and nvc0.
> Apparently is is also supported for radeon >= r700.
>
> This patch adds the MULTISAMPLE_Z_RESOLVE cap and
> adds it to the drivers. It is advertised for drivers
> for which it is sure the ability is supported.
>
> Signed-off-by: Axel Davy <axel.davy at ens.fr>
> ---
> v2: Add mention of the first sample to the definition.
> Remove comment about possible support for drivers that
> don't support MSAA yet.
> src/gallium/docs/source/screen.rst | 3 +++
> src/gallium/drivers/freedreno/freedreno_screen.c | 1 +
> src/gallium/drivers/i915/i915_screen.c | 1 +
> src/gallium/drivers/ilo/ilo_screen.c | 1 +
> src/gallium/drivers/llvmpipe/lp_screen.c | 2 ++
> src/gallium/drivers/nouveau/nv30/nv30_screen.c | 1 +
> src/gallium/drivers/nouveau/nv50/nv50_screen.c | 1 +
> src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 1 +
> src/gallium/drivers/r300/r300_screen.c | 1 +
> src/gallium/drivers/r600/r600_pipe.c | 2 ++
> src/gallium/drivers/radeonsi/si_pipe.c | 1 +
> src/gallium/drivers/softpipe/sp_screen.c | 2 ++
> src/gallium/drivers/svga/svga_screen.c | 1 +
> src/gallium/drivers/vc4/vc4_screen.c | 1 +
> src/gallium/include/pipe/p_defines.h | 1 +
> 15 files changed, 20 insertions(+)
>
> diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
> index 55d114c..d812079 100644
> --- a/src/gallium/docs/source/screen.rst
> +++ b/src/gallium/docs/source/screen.rst
> @@ -241,6 +241,9 @@ The integer capabilities:
> semantics. Only relevant if geometry shaders are supported.
> (Currently not possible to query availability of these two semantics outside
> this, at least BASEVERTEX should be exposed separately too).
> +* ``PIPE_CAP_MULTISAMPLE_Z_RESOLVE``: Whether the driver supports blitting
> + a multisampled depth buffer into a single-sampled texture (or depth buffer).
> + Only the first sample should be copied.
>
>
> .. _pipe_capf:
> diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
> index 084a0ec..bf8d4e9 100644
> --- a/src/gallium/drivers/freedreno/freedreno_screen.c
> +++ b/src/gallium/drivers/freedreno/freedreno_screen.c
> @@ -229,6 +229,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
> case PIPE_CAP_SAMPLER_VIEW_TARGET:
> case PIPE_CAP_CLIP_HALFZ:
> case PIPE_CAP_VERTEXID_NOBASE:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> return 0;
>
> case PIPE_CAP_MAX_VIEWPORTS:
> diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
> index 1277de3..1393e7e 100644
> --- a/src/gallium/drivers/i915/i915_screen.c
> +++ b/src/gallium/drivers/i915/i915_screen.c
> @@ -227,6 +227,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
> case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
> case PIPE_CAP_CLIP_HALFZ:
> case PIPE_CAP_VERTEXID_NOBASE:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> return 0;
>
> case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
> diff --git a/src/gallium/drivers/ilo/ilo_screen.c b/src/gallium/drivers/ilo/ilo_screen.c
> index 0c948f4..d7b984e 100644
> --- a/src/gallium/drivers/ilo/ilo_screen.c
> +++ b/src/gallium/drivers/ilo/ilo_screen.c
> @@ -470,6 +470,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
> case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
> case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
> case PIPE_CAP_SAMPLER_VIEW_TARGET:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> return 0;
>
> case PIPE_CAP_VENDOR_ID:
> diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
> index 0e4456a..d9552f0 100644
> --- a/src/gallium/drivers/llvmpipe/lp_screen.c
> +++ b/src/gallium/drivers/llvmpipe/lp_screen.c
> @@ -284,6 +284,8 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
> return 1;
> case PIPE_CAP_VERTEXID_NOBASE:
> return 0;
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> + return 0;
> }
> /* should only get here on unhandled cases */
> debug_printf("Unexpected PIPE_CAP %d query\n", param);
> diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
> index 46c21a1..f7809cb 100644
> --- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
> +++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
> @@ -158,6 +158,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
> case PIPE_CAP_SAMPLER_VIEW_TARGET:
> case PIPE_CAP_CLIP_HALFZ:
> case PIPE_CAP_VERTEXID_NOBASE:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> return 0;
>
> case PIPE_CAP_VENDOR_ID:
> diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
> index da237f9..97d0702 100644
> --- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
> +++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
> @@ -206,6 +206,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
> case PIPE_CAP_COMPUTE:
> case PIPE_CAP_DRAW_INDIRECT:
> case PIPE_CAP_VERTEXID_NOBASE:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE: /* potentially supported on some hw */
> return 0;
>
> case PIPE_CAP_VENDOR_ID:
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> index 1d7caf8..03d48fe 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> @@ -172,6 +172,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
> case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
> case PIPE_CAP_SAMPLER_VIEW_TARGET:
> case PIPE_CAP_CLIP_HALFZ:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> return 1;
> case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
> return (class_3d >= NVE4_3D_CLASS) ? 1 : 0;
> diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
> index f226d7f..87d662a 100644
> --- a/src/gallium/drivers/r300/r300_screen.c
> +++ b/src/gallium/drivers/r300/r300_screen.c
> @@ -182,6 +182,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
> case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
> case PIPE_CAP_SAMPLER_VIEW_TARGET:
> case PIPE_CAP_VERTEXID_NOBASE:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> return 0;
>
> /* SWTCL-only features. */
> diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
> index b6f7859..90167c5 100644
> --- a/src/gallium/drivers/r600/r600_pipe.c
> +++ b/src/gallium/drivers/r600/r600_pipe.c
> @@ -400,6 +400,8 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
> return rscreen->b.info.vram_size >> 20;
> case PIPE_CAP_UMA:
> return 0;
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> + return rscreen->b.chip_class >= R700;
> }
> return 0;
> }
> diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
> index e3f8fcf..4704a3e 100644
> --- a/src/gallium/drivers/radeonsi/si_pipe.c
> +++ b/src/gallium/drivers/radeonsi/si_pipe.c
> @@ -219,6 +219,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
> case PIPE_CAP_DRAW_INDIRECT:
> case PIPE_CAP_CLIP_HALFZ:
> case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> return 1;
>
> case PIPE_CAP_TEXTURE_MULTISAMPLE:
> diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
> index 8efc88f..ca49e4a 100644
> --- a/src/gallium/drivers/softpipe/sp_screen.c
> +++ b/src/gallium/drivers/softpipe/sp_screen.c
> @@ -233,6 +233,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
> return 1;
> case PIPE_CAP_VERTEXID_NOBASE:
> return 0;
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> + return 0;
> }
> /* should only get here on unhandled cases */
> debug_printf("Unexpected PIPE_CAP %d query\n", param);
> diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
> index 32578c8..09749b1 100644
> --- a/src/gallium/drivers/svga/svga_screen.c
> +++ b/src/gallium/drivers/svga/svga_screen.c
> @@ -283,6 +283,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
> case PIPE_CAP_SAMPLER_VIEW_TARGET:
> case PIPE_CAP_CLIP_HALFZ:
> case PIPE_CAP_VERTEXID_NOBASE:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> return 0;
> case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
> return 64;
> diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
> index 8d21633..9358d0a 100644
> --- a/src/gallium/drivers/vc4/vc4_screen.c
> +++ b/src/gallium/drivers/vc4/vc4_screen.c
> @@ -170,6 +170,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
> case PIPE_CAP_SAMPLER_VIEW_TARGET:
> case PIPE_CAP_CLIP_HALFZ:
> case PIPE_CAP_VERTEXID_NOBASE:
> + case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
> return 0;
>
> /* Stream output. */
> diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
> index 6c5703a..351f3c2 100644
> --- a/src/gallium/include/pipe/p_defines.h
> +++ b/src/gallium/include/pipe/p_defines.h
> @@ -573,6 +573,7 @@ enum pipe_cap {
> PIPE_CAP_SAMPLER_VIEW_TARGET = 110,
> PIPE_CAP_CLIP_HALFZ = 111,
> PIPE_CAP_VERTEXID_NOBASE,
> + PIPE_CAP_MULTISAMPLE_Z_RESOLVE,
> };
>
> #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
> --
> 2.1.0
>
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