thirdparty/ppsspp
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Split the framebuffer in Killzone, with a compatibility flag.

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Greatly improves performance.

See issue #6207
This commit is contained in:
Henrik Rydgård 2022-08-30 19:36:08 +02:00
parent daa62beb39
commit 987bfc79ef
8 changed files with 56 additions and 21 deletions
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17
GPU/Common/FramebufferManagerCommon.cpp
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@ -341,7 +341,7 @@ void GetFramebufferHeuristicInputs(FramebufferHeuristicParams *params, const GPU
}
}
VirtualFramebuffer *FramebufferManagerCommon::DoSetRenderFrameBuffer(const FramebufferHeuristicParams &params, u32 skipDrawReason) {
VirtualFramebuffer *FramebufferManagerCommon::DoSetRenderFrameBuffer(FramebufferHeuristicParams &params, u32 skipDrawReason) {
gstate_c.Clean(DIRTY_FRAMEBUF);
// Collect all parameters. This whole function has really become a cesspool of heuristics...
@ -360,6 +360,19 @@ VirtualFramebuffer *FramebufferManagerCommon::DoSetRenderFrameBuffer(const Frame
WARN_LOG_ONCE(color_equal_z, G3D, "Framebuffer bound with color addr == z addr, likely will not use Z in this pass: %08x", params.fb_address);
}
if (PSP_CoreParameter().compat.flags().SplitFramebufferMargin && params.fb_format == GE_FORMAT_8888) {
// Detect whether we're rendering to the margin.
if (params.scissorWidth == 32 || params.scissorWidth == 512) {
gstate_c.SetCurRTOffset(-480, 0);
// Modify the fb_address and z_address too to avoid matching below.
params.fb_address += 480 * 4;
params.z_address += 480 * 2;
drawing_width = 32;
} else if (params.scissorWidth == 480) {
drawing_width = 480;
}
}
// Find a matching framebuffer.
VirtualFramebuffer *vfb = nullptr;
for (auto v : vfbs_) {
@ -385,7 +398,7 @@ VirtualFramebuffer *FramebufferManagerCommon::DoSetRenderFrameBuffer(const Frame
vfb->height = drawing_height;
}
break;
} else if (v->fb_stride == params.fb_stride && v->fb_format == params.fb_format) {
} else if (v->fb_stride == params.fb_stride && v->fb_format == params.fb_format && !PSP_CoreParameter().compat.flags().SplitFramebufferMargin) {
u32 v_fb_first_line_end_ptr = v->fb_address + v->fb_stride * bpp;
u32 v_fb_end_ptr = v->fb_address + v->fb_stride * v->height * bpp;