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[D3D12] Disable blending if it's 1*S+0*D

This commit is contained in:
Triang3l 2018-08-16 14:16:56 +03:00
parent 7ced7c932c
commit bb518407a2
1 changed files with 6 additions and 2 deletions
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8
src/xenia/gpu/d3d12/pipeline_cache.cc
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@ -403,11 +403,15 @@ PipelineCache::UpdateStatus PipelineCache::UpdateBlendStateAndRenderTargets(
for (uint32_t i = 0; i < 4; ++i) { for (uint32_t i = 0; i < 4; ++i) {
auto& blend_desc = update_desc_.BlendState.RenderTarget[i]; auto& blend_desc = update_desc_.BlendState.RenderTarget[i];
uint32_t guest_render_target = render_targets[i].guest_render_target; uint32_t guest_render_target = render_targets[i].guest_render_target;
uint32_t blend_control = regs.blendcontrol[guest_render_target];
DXGI_FORMAT format = render_targets[i].format; DXGI_FORMAT format = render_targets[i].format;
if (blend_enable && format != DXGI_FORMAT_UNKNOWN && // Also treat 1 * src + 0 * dest as disabled blending (there are opaque
// surfaces drawn with blending enabled, but it's 1 * src + 0 * dest, in
// Call of Duty 4 - GPU performance is better when not blending.
if (blend_enable && (blend_control & 0x1FFF1FFF) != 0x00010001 &&
format != DXGI_FORMAT_UNKNOWN &&
(color_mask & (0xF << (guest_render_target * 4)))) { (color_mask & (0xF << (guest_render_target * 4)))) {
blend_desc.BlendEnable = TRUE; blend_desc.BlendEnable = TRUE;
uint32_t blend_control = regs.blendcontrol[guest_render_target];
// A2XX_RB_BLEND_CONTROL_COLOR_SRCBLEND // A2XX_RB_BLEND_CONTROL_COLOR_SRCBLEND
blend_desc.SrcBlend = kBlendFactorMap[(blend_control & 0x0000001F) >> 0]; blend_desc.SrcBlend = kBlendFactorMap[(blend_control & 0x0000001F) >> 0];
// A2XX_RB_BLEND_CONTROL_COLOR_DESTBLEND // A2XX_RB_BLEND_CONTROL_COLOR_DESTBLEND