diff options
Diffstat (limited to 'src/intel/isl/isl.c')
| -rw-r--r-- | src/intel/isl/isl.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c index 500eb2d2988..18e95e25389 100644 --- a/src/intel/isl/isl.c +++ b/src/intel/isl/isl.c @@ -1241,6 +1241,127 @@ isl_surf_get_tile_info(const struct isl_device *dev, } void +isl_surf_get_hiz_surf(const struct isl_device *dev, + const struct isl_surf *surf, + struct isl_surf *hiz_surf) +{ + assert(ISL_DEV_GEN(dev) >= 5 && ISL_DEV_USE_SEPARATE_STENCIL(dev)); + + /* Multisampled depth is always interleaved */ + assert(surf->msaa_layout == ISL_MSAA_LAYOUT_NONE || + surf->msaa_layout == ISL_MSAA_LAYOUT_INTERLEAVED); + + isl_surf_init(dev, hiz_surf, + .dim = ISL_SURF_DIM_2D, + .format = ISL_FORMAT_HIZ, + .width = surf->logical_level0_px.width, + .height = surf->logical_level0_px.height, + .depth = 1, + .levels = surf->levels, + .array_len = surf->logical_level0_px.array_len, + /* On SKL+, HiZ is always single-sampled */ + .samples = ISL_DEV_GEN(dev) >= 9 ? 1 : surf->samples, + .usage = ISL_SURF_USAGE_HIZ_BIT, + .tiling_flags = ISL_TILING_HIZ_BIT); +} + +void +isl_surf_get_mcs_surf(const struct isl_device *dev, + const struct isl_surf *surf, + struct isl_surf *mcs_surf) +{ + /* It must be multisampled with an array layout */ + assert(surf->samples > 1 && surf->msaa_layout == ISL_MSAA_LAYOUT_ARRAY); + + /* The following are true of all multisampled surfaces */ + assert(surf->dim == ISL_SURF_DIM_2D); + assert(surf->levels == 1); + assert(surf->logical_level0_px.depth == 1); + + enum isl_format mcs_format; + switch (surf->samples) { + case 2: mcs_format = ISL_FORMAT_MCS_2X; break; + case 4: mcs_format = ISL_FORMAT_MCS_4X; break; + case 8: mcs_format = ISL_FORMAT_MCS_8X; break; + case 16: mcs_format = ISL_FORMAT_MCS_16X; break; + default: + unreachable("Invalid sample count"); + } + + isl_surf_init(dev, mcs_surf, + .dim = ISL_SURF_DIM_2D, + .format = mcs_format, + .width = surf->logical_level0_px.width, + .height = surf->logical_level0_px.height, + .depth = 1, + .levels = 1, + .array_len = surf->logical_level0_px.array_len, + .samples = 1, /* MCS surfaces are really single-sampled */ + .usage = ISL_SURF_USAGE_MCS_BIT, + .tiling_flags = ISL_TILING_Y0_BIT); +} + +bool +isl_surf_get_ccs_surf(const struct isl_device *dev, + const struct isl_surf *surf, + struct isl_surf *ccs_surf) +{ + assert(surf->samples == 1 && surf->msaa_layout == ISL_MSAA_LAYOUT_NONE); + assert(ISL_DEV_GEN(dev) >= 7); + + assert(surf->dim == ISL_SURF_DIM_2D); + assert(surf->logical_level0_px.depth == 1); + + /* TODO: More conditions where it can fail. */ + + enum isl_format ccs_format; + if (ISL_DEV_GEN(dev) >= 9) { + if (!isl_tiling_is_any_y(surf->tiling)) + return false; + + switch (isl_format_get_layout(surf->format)->bpb) { + case 32: ccs_format = ISL_FORMAT_GEN9_CCS_32BPP; break; + case 64: ccs_format = ISL_FORMAT_GEN9_CCS_64BPP; break; + case 128: ccs_format = ISL_FORMAT_GEN9_CCS_128BPP; break; + default: + return false; + } + } else if (surf->tiling == ISL_TILING_Y0) { + switch (isl_format_get_layout(surf->format)->bpb) { + case 32: ccs_format = ISL_FORMAT_GEN7_CCS_32BPP_Y; break; + case 64: ccs_format = ISL_FORMAT_GEN7_CCS_64BPP_Y; break; + case 128: ccs_format = ISL_FORMAT_GEN7_CCS_128BPP_Y; break; + default: + return false; + } + } else if (surf->tiling == ISL_TILING_X) { + switch (isl_format_get_layout(surf->format)->bpb) { + case 32: ccs_format = ISL_FORMAT_GEN7_CCS_32BPP_X; break; + case 64: ccs_format = ISL_FORMAT_GEN7_CCS_64BPP_X; break; + case 128: ccs_format = ISL_FORMAT_GEN7_CCS_128BPP_X; break; + default: + return false; + } + } else { + return false; + } + + isl_surf_init(dev, ccs_surf, + .dim = ISL_SURF_DIM_2D, + .format = ccs_format, + .width = surf->logical_level0_px.width, + .height = surf->logical_level0_px.height, + .depth = 1, + .levels = surf->levels, + .array_len = surf->logical_level0_px.array_len, + .samples = 1, + .usage = ISL_SURF_USAGE_CCS_BIT, + .tiling_flags = ISL_TILING_CCS_BIT); + + return true; +} + +void isl_surf_fill_state_s(const struct isl_device *dev, void *state, const struct isl_surf_fill_state_info *restrict info) { |