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GS/GL: Backport multidraw fb copy for depth feedbacks.

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This commit is contained in:
lightningterror
2026-04-04 04:27:20 +02:00
parent 2c908f4d09
commit 2c608b4293
2 changed files with 59 additions and 23 deletions
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pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
+56 -21
View File
@@ -827,6 +827,18 @@ bool GSDeviceOGL::CheckFeatures()
m_features.depth_feedback = GSDevice::DepthFeedbackSupport::None;
}
}
else if (m_features.multidraw_fb_copy)
{
if (GSConfig.DepthFeedbackMode == GSDepthFeedbackMode::Depth ||
GSConfig.DepthFeedbackMode == GSDepthFeedbackMode::Auto)
{
m_features.depth_feedback = GSDevice::DepthFeedbackSupport::Depth;
}
else
{
m_features.depth_feedback = GSDevice::DepthFeedbackSupport::None;
}
}
else
{
m_features.depth_feedback = GSDevice::DepthFeedbackSupport::None;
@@ -2592,11 +2604,20 @@ void GSDeviceOGL::RenderHW(GSHWDrawConfig& config)
if (config.pal)
CommitClear(config.pal, true);
GSVector2i rtsize = (config.rt ? config.rt : config.ds)->GetSize();
GSTexture* primid_texture = nullptr;
GSTexture* draw_rt_clone = nullptr;
const GSVector2i rtsize = (config.rt ? config.rt : config.ds)->GetSize();
GSTexture* colclip_rt = g_gs_device->GetColorClipTexture();
GSTexture* draw_rt_clone = nullptr;
GSTexture* draw_ds_clone = nullptr;
GSTexture* primid_texture = nullptr;
ScopedGuard recycle_temp_textures([&]() {
if (draw_rt_clone)
Recycle(draw_rt_clone);
if (draw_ds_clone)
Recycle(draw_ds_clone);
if (primid_texture)
Recycle(primid_texture);
});
if (colclip_rt)
{
@@ -2700,10 +2721,10 @@ void GSDeviceOGL::RenderHW(GSHWDrawConfig& config)
PSSetShaderResource(1, config.pal);
if (m_features.texture_barrier && (config.require_one_barrier || config.require_full_barrier))
PSSetShaderResource(2, colclip_rt ? colclip_rt : config.rt);
if (m_features.texture_barrier && (config.require_one_barrier || config.require_full_barrier) && config.ps.IsFeedbackLoopDepth())
PSSetShaderResource(4, m_features.depth_feedback == GSDevice::DepthFeedbackSupport::DepthAsRT ? config.ds_as_rt :
m_features.depth_feedback == GSDevice::DepthFeedbackSupport::Depth ? config.ds : nullptr);
const bool depth_feedback = m_features.depth_feedback == GSDevice::DepthFeedbackSupport::Depth;
if (m_features.texture_barrier && (config.require_one_barrier || config.require_full_barrier) && config.ps.IsFeedbackLoopDepth() &&
(depth_feedback || m_features.depth_feedback == GSDevice::DepthFeedbackSupport::DepthAsRT))
PSSetShaderResource(4, depth_feedback ? config.ds : config.ds_as_rt);
SetupSampler(config.sampler);
if (m_vs_cb_cache.Update(config.cb_vs))
@@ -2847,6 +2868,15 @@ void GSDeviceOGL::RenderHW(GSHWDrawConfig& config)
Console.Warning("GL: Failed to allocate temp texture for RT copy.");
}
if (draw_ds && (config.require_one_barrier || (config.require_full_barrier && m_features.multidraw_fb_copy)) &&
!m_features.texture_barrier && depth_feedback && config.ps.IsFeedbackLoopDepth())
{
// Requires a copy of the DS.
draw_ds_clone = CreateTexture(rtsize.x, rtsize.y, 1, draw_ds->GetFormat(), true);
if (!draw_ds_clone)
Console.Warning("GL: Failed to allocate temp texture for DS copy.");
}
OMSetRenderTargets(draw_rt, draw_ds_as_rt, draw_ds, &config.scissor);
OMSetColorMaskState(config.colormask);
SetupOM(config.depth);
@@ -2858,7 +2888,8 @@ void GSDeviceOGL::RenderHW(GSHWDrawConfig& config)
glClearBufferiv(GL_STENCIL, 0, &clear_color);
}
SendHWDraw(config, draw_rt_clone, draw_rt, config.require_one_barrier, config.require_full_barrier);
SendHWDraw(config, draw_rt_clone, draw_rt, draw_ds_clone, draw_ds,
config.require_one_barrier, config.require_full_barrier);
if (config.blend_multi_pass.enable)
{
@@ -2905,15 +2936,10 @@ void GSDeviceOGL::RenderHW(GSHWDrawConfig& config)
OMSetBlendState();
}
SetupOM(config.alpha_second_pass.depth);
SendHWDraw(config, draw_rt_clone, draw_rt, m_features.texture_barrier ? config.alpha_second_pass.require_one_barrier : false,
config.alpha_second_pass.require_full_barrier);
SendHWDraw(config, draw_rt_clone, draw_rt, draw_ds_clone, draw_ds,
m_features.texture_barrier ? config.alpha_second_pass.require_one_barrier : false, config.alpha_second_pass.require_full_barrier);
}
if (primid_texture)
Recycle(primid_texture);
if (draw_rt_clone)
Recycle(draw_rt_clone);
if (colclip_rt)
{
config.colclip_update_area = config.colclip_update_area.runion(config.drawarea);
@@ -2931,7 +2957,9 @@ void GSDeviceOGL::RenderHW(GSHWDrawConfig& config)
}
}
void GSDeviceOGL::SendHWDraw(const GSHWDrawConfig& config, GSTexture* draw_rt_clone, GSTexture* draw_rt, bool one_barrier, bool full_barrier)
void GSDeviceOGL::SendHWDraw(const GSHWDrawConfig& config,
GSTexture* draw_rt_clone, GSTexture* draw_rt, GSTexture* draw_ds_clone, GSTexture* draw_ds,
const bool one_barrier, const bool full_barrier)
{
#ifdef PCSX2_DEVBUILD
if ((one_barrier || full_barrier) && !(config.ps.IsFeedbackLoopRT() || config.ps.IsFeedbackLoopDepth())) [[unlikely]]
@@ -2940,11 +2968,18 @@ void GSDeviceOGL::SendHWDraw(const GSHWDrawConfig& config, GSTexture* draw_rt_cl
auto CopyAndBind = [&](GSVector4i drawarea) {
if (draw_rt_clone)
{
CopyRect(draw_rt, draw_rt_clone, drawarea, drawarea.left, drawarea.top);
if ((one_barrier || full_barrier) && draw_rt_clone)
PSSetShaderResource(2, draw_rt_clone);
if (config.tex && config.tex == draw_rt)
PSSetShaderResource(0, draw_rt_clone);
if ((one_barrier || full_barrier))
PSSetShaderResource(2, draw_rt_clone);
if (config.tex && config.tex == draw_rt)
PSSetShaderResource(0, draw_rt_clone);
}
if (draw_ds_clone)
{
CopyRect(draw_ds, draw_ds_clone, drawarea, drawarea.left, drawarea.top);
PSSetShaderResource(4, draw_ds_clone);
}
};
const GSVector4i rtsize(0, 0, (draw_rt ? draw_rt : draw_ds)->GetWidth(), (draw_rt ? draw_rt : draw_ds)->GetHeight());
pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.h
+3 -2
View File
@@ -340,8 +340,9 @@ public:
void DoMultiStretchRects(const MultiStretchRect* rects, u32 num_rects, const GSVector2& ds);
void RenderHW(GSHWDrawConfig& config) override;
void SendHWDraw(const GSHWDrawConfig& config, GSTexture* draw_rt_clone, GSTexture* draw_rt, bool one_barrier, bool full_barrier);
void SendHWDraw(const GSHWDrawConfig& config,
GSTexture* draw_rt_clone, GSTexture* draw_rt, GSTexture* draw_ds_clone, GSTexture* draw_ds,
const bool one_barrier, const bool full_barrier);
void SetupDATE(GSTexture* rt, GSTexture* ds, SetDATM datm, const GSVector4i& bbox);
void IASetVAO(GLuint vao);