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Support sprite scenes whose bank state lives entirely in DRAWENV

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Matthew Stanley
2026-10-07 00:23:48 -07:00
parent 586d01ee65
commit bebf2d08dc
1 changed files with 5 additions and 2 deletions
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runtime/include/render_pass_sprite_scene.hpp
+5 -2
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@@ -17,7 +17,7 @@ extern "C" uint32_t memory_get_ram_bytes(void);
* and display-bank prefixes. Capture/replay never runs the gameplay update.
* Late HUD/effect packets are preserved, the existing VSync wait runs once,
* and all temporary guest changes remain inside the render-pass sandbox.
* Derived from the MMX6 native scene implementation; also used by MMX5.
* Derived from the MMX6 native scene implementation; used by MMX4 and MMX5.
*/
template<class Layout>
class PSXSpriteSceneReplay {
@@ -75,7 +75,10 @@ static void apply_late_packets() {
}
}
static bool retarget_packets() {
static bool retarget_packets() {
// Older sprite engines carry all draw-bank state in DRAWENV. Later ones
// additionally prepend E3/E4/E5 packets which override that environment.
if constexpr (!Layout::OffsetPackets && !Layout::ClipPackets) return true;
const uint32_t index=(buffer-Base)/Stride;
// Main-loop OT prefixes carry their own draw offset and draw area. Those
// override PutDrawEnv, so replay must select the pending display bank's