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[GPU] Polygon offset scale factor in xenos.h

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Triang3l
2021-06-09 20:46:24 +03:00
parent 9e6aec4535
commit 50bb35b4b4
4 changed files with 18 additions and 6 deletions
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7
src/xenia/gpu/d3d12/d3d12_command_processor.cc
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@@ -3241,9 +3241,10 @@ void D3D12CommandProcessor::UpdateSystemConstantValues(
poly_offset_back_offset = poly_offset_front_offset;
}
}
// "slope computed in subpixels ([...] 1/16)" - R5xx Acceleration.
poly_offset_front_scale *= (1.0f / 16.0f) * resolution_scale;
poly_offset_back_scale *= (1.0f / 16.0f) * resolution_scale;
float poly_offset_scale_factor =
xenos::kPolygonOffsetScaleSubpixelUnit * resolution_scale;
poly_offset_front_scale *= poly_offset_scale_factor;
poly_offset_back_scale *= poly_offset_scale_factor;
dirty |= system_constants_.edram_poly_offset_front_scale !=
poly_offset_front_scale;
system_constants_.edram_poly_offset_front_scale = poly_offset_front_scale;

5
src/xenia/gpu/d3d12/pipeline_cache.cc
View File

@@ -36,6 +36,7 @@
#include "xenia/gpu/d3d12/d3d12_render_target_cache.h"
#include "xenia/gpu/draw_util.h"
#include "xenia/gpu/gpu_flags.h"
#include "xenia/gpu/xenos.h"
#include "xenia/ui/d3d12/d3d12_util.h"
DEFINE_bool(d3d12_dxbc_disasm, false,
@@ -1456,7 +1457,7 @@ bool PipelineCache::GetCurrentStateDescription(
}
}
if (!edram_rov_used) {
float poly_offset_host_scale = draw_util::GetD3D10PolygonOffsetScale(
float poly_offset_host_scale = draw_util::GetD3D10PolygonOffsetFactor(
regs.Get<reg::RB_DEPTH_INFO>().depth_format, true);
// Using ceil here just in case a game wants the offset but passes a value
// that is too small - it's better to apply more offset than to make depth
@@ -1467,7 +1468,7 @@ bool PipelineCache::GetCurrentStateDescription(
(poly_offset < 0.0f ? -1 : 1);
// "slope computed in subpixels ([...] 1/16)" - R5xx Acceleration.
description_out.depth_bias_slope_scaled =
poly_offset_scale * (1.0f / 16.0f);
poly_offset_scale * xenos::kPolygonOffsetScaleSubpixelUnit;
}
if (tessellated && cvars::d3d12_tessellation_wireframe) {
description_out.fill_mode_wireframe = 1;