diff options
| author | Kenneth Graunke <[email protected]> | 2018-08-09 23:11:07 -0700 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2018-08-11 12:33:27 -0700 |
| commit | 8a290862859bade4b238f595378d63bb920e763a (patch) | |
| tree | bbcf78de7e7867438035b70ac6f151ae64fffe5e /src/intel | |
| parent | a9f7bcfdf90d8302e9ed27601b2b7001b9940740 (diff) | |
blorp: Don't try to use R32_UNORM for R24_UNORM_X8_TYPELESS rendering.
The hardware doesn't support rendering to R24_UNORM_X8_TYPELESS, so
Jason decided to fake it with a bit of shader math and R32_UNORM RTs.
The only problem is that R32_UNORM isn't renderable either...so we've
just traded one bad format for another.
This patch makes us use R32_UINT instead.
Fixes: 804856fa5735164cc0733ad0ea62adad39b00ae2 (intel/blorp: Handle more exotic destination formats)
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/intel')
| -rw-r--r-- | src/intel/blorp/blorp_blit.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/intel/blorp/blorp_blit.c b/src/intel/blorp/blorp_blit.c index e811cb0be37..f4bf26d84a6 100644 --- a/src/intel/blorp/blorp_blit.c +++ b/src/intel/blorp/blorp_blit.c @@ -994,14 +994,14 @@ convert_color(struct nir_builder *b, nir_ssa_def *color, nir_ssa_def *value; if (key->dst_format == ISL_FORMAT_R24_UNORM_X8_TYPELESS) { - /* The destination image is bound as R32_UNORM but the data needs to be + /* The destination image is bound as R32_UINT but the data needs to be * in R24_UNORM_X8_TYPELESS. The bottom 24 are the actual data and the * top 8 need to be zero. We can accomplish this by simply multiplying * by a factor to scale things down. */ - float factor = (float)((1 << 24) - 1) / (float)UINT32_MAX; - value = nir_fmul(b, nir_fsat(b, nir_channel(b, color, 0)), - nir_imm_float(b, factor)); + unsigned factor = (1 << 24) - 1; + value = nir_fsat(b, nir_channel(b, color, 0)); + value = nir_f2i32(b, nir_fmul(b, value, nir_imm_float(b, factor))); } else if (key->dst_format == ISL_FORMAT_L8_UNORM_SRGB) { value = nir_format_linear_to_srgb(b, nir_channel(b, color, 0)); } else if (key->dst_format == ISL_FORMAT_R8G8B8_UNORM_SRGB) { @@ -1986,7 +1986,7 @@ try_blorp_blit(struct blorp_batch *batch, isl_format_rgbx_to_rgba(params->dst.view.format); } else if (params->dst.view.format == ISL_FORMAT_R24_UNORM_X8_TYPELESS) { wm_prog_key->dst_format = params->dst.view.format; - params->dst.view.format = ISL_FORMAT_R32_UNORM; + params->dst.view.format = ISL_FORMAT_R32_UINT; } else if (params->dst.view.format == ISL_FORMAT_A4B4G4R4_UNORM) { params->dst.view.swizzle = isl_swizzle_compose(params->dst.view.swizzle, |