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GS/HW: Wip Zero blend RT.

This commit is contained in:
lightningterror 2024-09-15 21:55:50 +02:00
parent 2b7c4ae438
commit 71b6d40d08
2 changed files with 18 additions and 0 deletions
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17
pcsx2/GS/Renderers/HW/GSRendererHW.cpp
View File

@ -4098,6 +4098,18 @@ void GSRendererHW::EmulateBlending(int rt_alpha_min, int rt_alpha_max, const boo
GL_INS("Draw AlphaMinMax: %d-%d, RT AlphaMinMax: %d-%d, AFIX: %u", GetAlphaMinMax().min, GetAlphaMinMax().max, rt_alpha_min, rt_alpha_max, AFIX);
#endif
if (rt->m_dirty.empty() && rt->m_rt_rgb_zero)
{
if (m_conf.ps.blend_a == 1)
m_conf.ps.blend_a = 2;
if (m_conf.ps.blend_b == 1)
m_conf.ps.blend_b = 2;
if (m_conf.ps.blend_d == 1)
m_conf.ps.blend_d = 2;
rt->m_rt_rgb_zero = false;
}
// If the colour is modulated to zero or we're not using a texture and the color is zero, we can replace any Cs with 0
if ((!PRIM->TME || m_cached_ctx.TEX0.TFX != TFX_DECAL) && (!PRIM->FGE || m_draw_env->FOGCOL.U32[0] == 0) &&
((m_vt.m_max.c == GSVector4i::zero()).mask() & 0xfff) == 0xfff)
@ -4201,6 +4213,11 @@ void GSRendererHW::EmulateBlending(int rt_alpha_min, int rt_alpha_max, const boo
m_conf.ps.blend_d = 2;
}
if (rt->m_dirty.empty() && (m_conf.ps.blend_a == m_conf.ps.blend_b) && m_conf.ps.blend_d == 2)
{
rt->m_rt_rgb_zero = true;
}
// Ad cases, alpha write is masked, one barrier is enough, for d3d11 read the fb
// Replace Ad with As, blend flags will be used from As since we are chaging the blend_index value.
// Must be done before index calculation, after blending equation optimizations

1
pcsx2/GS/Renderers/HW/GSTextureCache.h
View File

@ -220,6 +220,7 @@ public:
bool m_valid_alpha_high = false;
bool m_valid_rgb = false;
bool m_rt_alpha_scale = false;
bool m_rt_rgb_zero = false;
bool m_downscaled = false;
int m_last_draw = 0;