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fix(gfx): restore third CG glow

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gamer147
2026-07-11 20:05:51 -04:00
parent 1f18a378d3
commit 593a24b510
9 changed files with 154 additions and 27 deletions
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24
vm-map/opcodes.toml
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@@ -4676,33 +4676,33 @@ argc = 4
abi_source = "kelebek+decode-validated"
[opcode.semantics]
name = "u00420620"
category = "unknown"
summary = ""
name = "gfx-set-scale-current"
category = "draw"
summary = "(handle)(scale_x_percent)(scale_y_percent)(scale_z_percent) — immediately replace the retained object's current scale matrix at obj+0x6c. The handler divides each integer operand by 100.0 before calling matrix4_make_scale; this is distinct from 0x21e's delayed one-shot target scale."
noop_headless = false
source = "kelebek"
confidence = "low"
source = "investigation"
confidence = "high"
depends_on = []
evidence = ""
evidence = "Ghidra /v2: handler gfx_op_0x1fd_set_vec_scaled@0x422650 fetches operands 2..4, divides each by the 100.0 constant, and calls gfx_object_set_scale_current@0x47e6b0. The worker gets/creates the object, marks obj+0x68, and calls matrix4_make_scale on obj+0x6c. SC0000 sets AE001D handles to 210/210/100 and 240/240/100; without this setter their 800x800 alpha circles remain below the viewport. Both functions annotated and /v2 saved 2026-07-11."
[[opcode.semantics.args]]
i = 1
role = ""
role = "retained object handle"
observed_types = ["imm", "g-int", "l-int"]
[[opcode.semantics.args]]
i = 2
role = ""
role = "current X scale percent"
observed_types = ["imm", "g-int", "l-int", "l-ptr"]
[[opcode.semantics.args]]
i = 3
role = ""
role = "current Y scale percent"
observed_types = ["imm", "g-int", "l-int"]
[[opcode.semantics.args]]
i = 4
role = ""
role = "current Z scale percent"
observed_types = ["imm"]
[[opcode]]
@@ -4832,12 +4832,12 @@ abi_source = "kelebek+decode-validated"
[opcode.semantics]
name = "gfx-draw-color"
category = "draw"
summary = "0x203 (handle)(mode)(alpha)(color) — gfx cmd-type 9. Worker stores the D3D blend selector at obj+0x30 and STATIC packed color at obj+0x60. Negative alpha/RGB preserve current static bytes. Mode 0 retains established opaque CG/tint/fill behavior; mode 1 is SRCALPHA/INVSRCALPHA with ARGB alpha opacity and multiplicative RGB modulation; mode 2 is the 0x223 transition-source identity path."
summary = "0x203 (handle)(mode)(alpha)(color) — gfx cmd-type 9. Worker stores the D3D blend selector at obj+0x30 and STATIC packed color at obj+0x60. Negative alpha/RGB preserve current static bytes. Mode 0 is the opaque textured path: preserved 0xffffffff is identity (the alpha byte is not tint strength); mode 1 is SRCALPHA/INVSRCALPHA with ARGB alpha opacity and multiplicative RGB modulation; mode 2 is the 0x223 transition-source identity path. Surfaceless mode-0 fill consumption remains a distinct case."
noop_headless = false
source = "investigation"
confidence = "high"
depends_on = []
evidence = "Ghidra handler 0x4229a0; negative operands read current obj+0x60, then worker 0x47e9b0 stores op2 at obj+0x30 and ARGB at +0x60. gfx_object_composite call-site 0x47f78f passes +0x30/+0x60 directly to gfx_object_blit_d3d9; mode 1 sets D3DRS SRCALPHA/INVSRCALPHA and the packed color is the device draw modulation. Mode 2 transition setup and synchronized pixels prove 0xffffffff is identity, not solid white."
evidence = "Ghidra handler 0x4229a0; negative operands read current obj+0x60, then worker 0x47e9b0 stores op2 at obj+0x30 and ARGB at +0x60. gfx_object_composite call-site 0x47f78f passes +0x30/+0x60 directly to gfx_object_blit_d3d9; mode 1 sets D3DRS SRCALPHA/INVSRCALPHA and the packed color is the device draw modulation. Mode 2 transition setup and synchronized pixels prove 0xffffffff is identity, not solid white. SC0000 page 14 adds the mode-0 endpoint proof: after the EV052CA->EV052DA 0x223 crossfade, 0x203@0x12478 restores the base CG to mode 0 with preserved 0xffffffff; native keeps EV052DA visible while the port's tint-strength interpretation turns every texel white."
[[opcode.semantics.args]]
i = 1