[Mesa-dev] [PATCH] nvc0: add support for BGRA8 images

Samuel Pitoiset samuel.pitoiset at gmail.com
Fri Jul 22 09:39:56 UTC 2016


This patch introduces the following regressions:

bin/fcc-read-to-pbo-after-clear -auto
bin/gl-2.1-pbo -auto -fbo
bin/fbo-pbo-readpixels-small -auto
bin/pbo-read-argb8888 -auto
bin/pbo-readpixels-small -auto
bin/mesa_pack_invert-readpixels -auto -fbo

Tested on Fermi (GF119).

On 07/16/2016 09:09 PM, Ilia Mirkin wrote:
> This is useful for pbo downloads, which are now accelerated with images.
> BGRA8 is a moderately common format to do that in.
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
>
> This needs testing on SM20 and SM30. I've tested it on SM35 and
>
> bin/pbo-readpixels-small -auto
>
> worked fine. (Didn't until I properly fixed the various items.)
>
>  src/gallium/drivers/nouveau/codegen/nv50_ir.cpp               | 2 ++
>  src/gallium/drivers/nouveau/codegen/nv50_ir.h                 | 3 +++
>  src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp     | 2 ++
>  src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp | 4 ++++
>  src/gallium/drivers/nouveau/nv50/g80_defs.xml.h               | 1 +
>  src/gallium/drivers/nouveau/nv50/nv50_formats.c               | 3 ++-
>  src/gallium/drivers/nouveau/nvc0/nvc0_tex.c                   | 2 ++
>  7 files changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp
> index 2caebe8..179ad0b 100644
> --- a/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp
> +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp
> @@ -1012,6 +1012,8 @@ const struct TexInstruction::ImgFormatDesc TexInstruction::formatTable[] =
>     { "RG8_SNORM",    2, {  8,  8,  0,  0 }, SNORM },
>     { "R16_SNORM",    1, { 16,  0,  0,  0 }, SNORM },
>     { "R8_SNORM",     1, {  8,  0,  0,  0 }, SNORM },
> +
> +   { "BGRA8",        4, {  8,  8,  8,  8 }, UNORM, true },
>  };
>
>  void
> diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir.h b/src/gallium/drivers/nouveau/codegen/nv50_ir.h
> index 41804b6..6d2ee8b 100644
> --- a/src/gallium/drivers/nouveau/codegen/nv50_ir.h
> +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir.h
> @@ -412,6 +412,8 @@ enum ImgFormat
>     FMT_R16_SNORM,
>     FMT_R8_SNORM,
>
> +   FMT_BGRA8,
> +
>     IMG_FORMAT_COUNT,
>  };
>
> @@ -967,6 +969,7 @@ public:
>        uint8_t components;
>        uint8_t bits[4];
>        ImgType type;
> +      bool bgra;
>     };
>
>     static const struct ImgFormatDesc formatTable[IMG_FORMAT_COUNT];
> diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
> index 61eb7f5..7dff08a 100644
> --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
> +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
> @@ -508,6 +508,8 @@ static nv50_ir::ImgFormat translateImgFormat(uint format)
>     FMT_CASE(R8G8_SNORM, RG8_SNORM);
>     FMT_CASE(R16_SNORM, R16_SNORM);
>     FMT_CASE(R8_SNORM, R8_SNORM);
> +
> +   FMT_CASE(B8G8R8A8_UNORM, BGRA8);
>     }
>
>     assert(!"Unexpected format");
> diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
> index 18955eb..92bc0bb 100644
> --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
> +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
> @@ -1940,6 +1940,10 @@ NVC0LoweringPass::convertSurfaceFormat(TexInstruction *su)
>           bld.mkCvt(OP_CVT, TYPE_F32, typedDst[i], TYPE_F16, typedDst[i]);
>        }
>     }
> +
> +   if (format->bgra) {
> +      std::swap(typedDst[0], typedDst[2]);
> +   }
>  }
>
>  void
> diff --git a/src/gallium/drivers/nouveau/nv50/g80_defs.xml.h b/src/gallium/drivers/nouveau/nv50/g80_defs.xml.h
> index 5d40624..49bf860 100644
> --- a/src/gallium/drivers/nouveau/nv50/g80_defs.xml.h
> +++ b/src/gallium/drivers/nouveau/nv50/g80_defs.xml.h
> @@ -177,6 +177,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
>  #define GK104_IMAGE_FORMAT_RG32_FLOAT				0x0000000d
>  #define GK104_IMAGE_FORMAT_RG32_SINT				0x0000000e
>  #define GK104_IMAGE_FORMAT_RG32_UINT				0x0000000f
> +#define GK104_IMAGE_FORMAT_BGRA8_UNORM				0x00000011
>  #define GK104_IMAGE_FORMAT_RGB10_A2_UNORM			0x00000013
>  #define GK104_IMAGE_FORMAT_RGB10_A2_UINT			0x00000015
>  #define GK104_IMAGE_FORMAT_RGBA8_UNORM				0x00000018
> diff --git a/src/gallium/drivers/nouveau/nv50/nv50_formats.c b/src/gallium/drivers/nouveau/nv50/nv50_formats.c
> index 34d32d1..07c4419 100644
> --- a/src/gallium/drivers/nouveau/nv50/nv50_formats.c
> +++ b/src/gallium/drivers/nouveau/nv50/nv50_formats.c
> @@ -50,6 +50,7 @@
>  #define U_IB  PIPE_BIND_BLENDABLE | U_IR
>  #define U_TD  PIPE_BIND_SCANOUT | PIPE_BIND_DISPLAY_TARGET | U_TB
>  #define U_TZ  PIPE_BIND_DEPTH_STENCIL | U_T
> +#define U_ID  U_TD | U_I
>  #if NOUVEAU_DRIVER == 0xc0
>  # define U_TC  U_TB
>  # define U_IC  U_IB
> @@ -122,7 +123,7 @@ const struct nvc0_format nvc0_format_table[PIPE_FORMAT_COUNT] =
>  const struct nv50_format nv50_format_table[PIPE_FORMAT_COUNT] =
>  #endif
>  {
> -   C4(A, B8G8R8A8_UNORM, BGRA8_UNORM, B, G, R, A, UNORM, A8B8G8R8, TD),
> +   C4(A, B8G8R8A8_UNORM, BGRA8_UNORM, B, G, R, A, UNORM, A8B8G8R8, ID),
>     F3(A, B8G8R8X8_UNORM, BGRX8_UNORM, B, G, R, xx, UNORM, A8B8G8R8, TD),
>     C4(A, B8G8R8A8_SRGB, BGRA8_SRGB, B, G, R, A, UNORM, A8B8G8R8, TD),
>     F3(A, B8G8R8X8_SRGB, BGRX8_SRGB, B, G, R, xx, UNORM, A8B8G8R8, TD),
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c b/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c
> index 6e9e768..439f0f5 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c
> @@ -1162,6 +1162,7 @@ static const uint8_t nve4_su_format_map[PIPE_FORMAT_COUNT] =
>     [PIPE_FORMAT_R16G16B16A16_SNORM] = GK104_IMAGE_FORMAT_RGBA16_SNORM,
>     [PIPE_FORMAT_R16G16B16A16_SINT] = GK104_IMAGE_FORMAT_RGBA16_SINT,
>     [PIPE_FORMAT_R16G16B16A16_UINT] = GK104_IMAGE_FORMAT_RGBA16_UINT,
> +   [PIPE_FORMAT_B8G8R8A8_UNORM] = GK104_IMAGE_FORMAT_BGRA8_UNORM,
>     [PIPE_FORMAT_R8G8B8A8_UNORM] = GK104_IMAGE_FORMAT_RGBA8_UNORM,
>     [PIPE_FORMAT_R8G8B8A8_SNORM] = GK104_IMAGE_FORMAT_RGBA8_SNORM,
>     [PIPE_FORMAT_R8G8B8A8_SINT] = GK104_IMAGE_FORMAT_RGBA8_SINT,
> @@ -1216,6 +1217,7 @@ static const uint16_t nve4_su_format_aux_map[PIPE_FORMAT_COUNT] =
>
>     [PIPE_FORMAT_R10G10B10A2_UNORM] = 0x2a24,
>     [PIPE_FORMAT_R10G10B10A2_UINT] = 0x2a24,
> +   [PIPE_FORMAT_B8G8R8A8_UNORM] = 0x2a24,
>     [PIPE_FORMAT_R8G8B8A8_UNORM] = 0x2a24,
>     [PIPE_FORMAT_R8G8B8A8_SNORM] = 0x2a24,
>     [PIPE_FORMAT_R8G8B8A8_SINT] = 0x2a24,
>


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