see drm_fourcc.h (if the extension txt didn't mention that, perhaps it should)
BR,
-R
On Tue, Nov 15, 2016 at 12:23 PM, Roland Scheidegger <srol...@vmware.com> wrote:
> It looks like there aren't any possible modifier bits defined, so how is
> this supposed to work?
>
> Roland
>
> Am 15.11.2016 um 15:24 schrieb Varad Gautam:
>> From: Varad Gautam <varad.gau...@collabora.com>
>>
>> drivers should implement pipe_screen->get_modifiers_for_format and
>> advertise it with PIPE_CAP_QUERY_DMABUF_MODIFIERS to support format
>> modifier queries.
>>
>> Signed-off-by: Varad Gautam <varad.gau...@collabora.com>
>> ---
>> src/gallium/docs/source/screen.rst | 2 ++
>> 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 | 1 +
>> 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 | 1 +
>> src/gallium/drivers/radeonsi/si_pipe.c | 1 +
>> src/gallium/drivers/softpipe/sp_screen.c | 1 +
>> src/gallium/drivers/svga/svga_screen.c | 1 +
>> src/gallium/drivers/swr/swr_screen.cpp | 1 +
>> src/gallium/drivers/vc4/vc4_screen.c | 1 +
>> src/gallium/drivers/virgl/virgl_screen.c | 1 +
>> src/gallium/include/pipe/p_defines.h | 1 +
>> src/gallium/include/pipe/p_screen.h | 7 +++++++
>> 18 files changed, 25 insertions(+)
>>
>> diff --git a/src/gallium/docs/source/screen.rst
>> b/src/gallium/docs/source/screen.rst
>> index 6ad2bec..1775fe3 100644
>> --- a/src/gallium/docs/source/screen.rst
>> +++ b/src/gallium/docs/source/screen.rst
>> @@ -364,6 +364,8 @@ The integer capabilities:
>> * ``PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS``: Whether interleaved stream
>> output mode is able to interleave across buffers. This is required for
>> ARB_transform_feedback3.
>> +* ``PIPE_CAP_QUERY_DMABUF_MODIFIERS``: Whether the driver supports modifier
>> + queries for a given format.
>>
>>
>> .. _pipe_capf:
>> diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c
>> b/src/gallium/drivers/freedreno/freedreno_screen.c
>> index 97da0d7..2786d45 100644
>> --- a/src/gallium/drivers/freedreno/freedreno_screen.c
>> +++ b/src/gallium/drivers/freedreno/freedreno_screen.c
>> @@ -288,6 +288,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum
>> pipe_cap param)
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> 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 bfadca3..ce42e04 100644
>> --- a/src/gallium/drivers/i915/i915_screen.c
>> +++ b/src/gallium/drivers/i915/i915_screen.c
>> @@ -278,6 +278,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap
>> cap)
>> case PIPE_CAP_MAX_WINDOW_RECTANGLES:
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> 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 f3f182c..05fc906 100644
>> --- a/src/gallium/drivers/ilo/ilo_screen.c
>> +++ b/src/gallium/drivers/ilo/ilo_screen.c
>> @@ -517,6 +517,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap
>> param)
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> 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 4b502f0..2a8fa76 100644
>> --- a/src/gallium/drivers/llvmpipe/lp_screen.c
>> +++ b/src/gallium/drivers/llvmpipe/lp_screen.c
>> @@ -338,6 +338,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum
>> pipe_cap param)
>> case PIPE_CAP_MAX_WINDOW_RECTANGLES:
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>> }
>> /* should only get here on unhandled cases */
>> diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
>> b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
>> index 96708c0..6ba768b 100644
>> --- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
>> +++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
>> @@ -203,6 +203,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum
>> pipe_cap param)
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> 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 50cdeda..5c922ed 100644
>> --- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
>> +++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
>> @@ -255,6 +255,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum
>> pipe_cap param)
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> 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 6361e9e..02216a9 100644
>> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
>> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
>> @@ -274,6 +274,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum
>> pipe_cap param)
>> case PIPE_CAP_PCI_DEVICE:
>> case PIPE_CAP_PCI_FUNCTION:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>>
>> case PIPE_CAP_VENDOR_ID:
>> diff --git a/src/gallium/drivers/r300/r300_screen.c
>> b/src/gallium/drivers/r300/r300_screen.c
>> index 1e1dc87..e8efb1f 100644
>> --- a/src/gallium/drivers/r300/r300_screen.c
>> +++ b/src/gallium/drivers/r300/r300_screen.c
>> @@ -225,6 +225,7 @@ static int r300_get_param(struct pipe_screen* pscreen,
>> enum pipe_cap param)
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>>
>> /* SWTCL-only features. */
>> diff --git a/src/gallium/drivers/r600/r600_pipe.c
>> b/src/gallium/drivers/r600/r600_pipe.c
>> index 970a20e..39230cf 100644
>> --- a/src/gallium/drivers/r600/r600_pipe.c
>> +++ b/src/gallium/drivers/r600/r600_pipe.c
>> @@ -374,6 +374,7 @@ static int r600_get_param(struct pipe_screen* pscreen,
>> enum pipe_cap param)
>> case PIPE_CAP_TGSI_VOTE:
>> case PIPE_CAP_MAX_WINDOW_RECTANGLES:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>>
>> case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
>> diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
>> b/src/gallium/drivers/radeonsi/si_pipe.c
>> index f0cd9ca..1b60e81 100644
>> --- a/src/gallium/drivers/radeonsi/si_pipe.c
>> +++ b/src/gallium/drivers/radeonsi/si_pipe.c
>> @@ -458,6 +458,7 @@ static int si_get_param(struct pipe_screen* pscreen,
>> enum pipe_cap param)
>> case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
>> case PIPE_CAP_TGSI_VOTE:
>> case PIPE_CAP_MAX_WINDOW_RECTANGLES:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>>
>> case PIPE_CAP_QUERY_BUFFER_OBJECT:
>> diff --git a/src/gallium/drivers/softpipe/sp_screen.c
>> b/src/gallium/drivers/softpipe/sp_screen.c
>> index 275adab..aeab080 100644
>> --- a/src/gallium/drivers/softpipe/sp_screen.c
>> +++ b/src/gallium/drivers/softpipe/sp_screen.c
>> @@ -288,6 +288,7 @@ softpipe_get_param(struct pipe_screen *screen, enum
>> pipe_cap param)
>> case PIPE_CAP_MAX_WINDOW_RECTANGLES:
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>> case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
>> return 4;
>> diff --git a/src/gallium/drivers/svga/svga_screen.c
>> b/src/gallium/drivers/svga/svga_screen.c
>> index 67a35cf..0d19eb4 100644
>> --- a/src/gallium/drivers/svga/svga_screen.c
>> +++ b/src/gallium/drivers/svga/svga_screen.c
>> @@ -419,6 +419,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap
>> param)
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>> }
>>
>> diff --git a/src/gallium/drivers/swr/swr_screen.cpp
>> b/src/gallium/drivers/swr/swr_screen.cpp
>> index fa16edd..3d0b2f4 100644
>> --- a/src/gallium/drivers/swr/swr_screen.cpp
>> +++ b/src/gallium/drivers/swr/swr_screen.cpp
>> @@ -369,6 +369,7 @@ swr_get_param(struct pipe_screen *screen, enum pipe_cap
>> param)
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>> }
>>
>> diff --git a/src/gallium/drivers/vc4/vc4_screen.c
>> b/src/gallium/drivers/vc4/vc4_screen.c
>> index 9aa80ca..70c9e3a 100644
>> --- a/src/gallium/drivers/vc4/vc4_screen.c
>> +++ b/src/gallium/drivers/vc4/vc4_screen.c
>> @@ -239,6 +239,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum
>> pipe_cap param)
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>>
>> /* Stream output. */
>> diff --git a/src/gallium/drivers/virgl/virgl_screen.c
>> b/src/gallium/drivers/virgl/virgl_screen.c
>> index 2817809..f41a078 100644
>> --- a/src/gallium/drivers/virgl/virgl_screen.c
>> +++ b/src/gallium/drivers/virgl/virgl_screen.c
>> @@ -250,6 +250,7 @@ virgl_get_param(struct pipe_screen *screen, enum
>> pipe_cap param)
>> case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
>> case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
>> + case PIPE_CAP_QUERY_DMABUF_MODIFIERS:
>> return 0;
>> case PIPE_CAP_VENDOR_ID:
>> return 0x1af4;
>> diff --git a/src/gallium/include/pipe/p_defines.h
>> b/src/gallium/include/pipe/p_defines.h
>> index 69d290c..53d041c 100644
>> --- a/src/gallium/include/pipe/p_defines.h
>> +++ b/src/gallium/include/pipe/p_defines.h
>> @@ -740,6 +740,7 @@ enum pipe_cap
>> PIPE_CAP_MIXED_COLOR_DEPTH_BITS,
>> PIPE_CAP_TGSI_ARRAY_COMPONENTS,
>> PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS,
>> + PIPE_CAP_QUERY_DMABUF_MODIFIERS,
>> };
>>
>> #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
>> diff --git a/src/gallium/include/pipe/p_screen.h
>> b/src/gallium/include/pipe/p_screen.h
>> index 255647e..91b3434 100644
>> --- a/src/gallium/include/pipe/p_screen.h
>> +++ b/src/gallium/include/pipe/p_screen.h
>> @@ -300,6 +300,13 @@ struct pipe_screen {
>> const void *(*get_compiler_options)(struct pipe_screen *screen,
>> enum pipe_shader_ir ir,
>> unsigned shader);
>> +
>> + /**
>> + * Get supported modifiers for a format.
>> + */
>> + void (*get_modifiers_for_format)(struct pipe_screen *screen,
>> + enum pipe_format format, int max,
>> + uint64_t *modifiers, int *count);
>> };
>>
>>
>>
>
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