mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 18:25:35 -04:00
Matthew Stanley
60 lines
2.6 KiB
C++
60 lines
2.6 KiB
C++
/* pgxp_session.cpp -- the per-session PGXP arming main.cpp runs
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* (docs/ENHANCEMENTS.md G1.11/G1.12). See pgxp_session.h for the sequence.
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* Kept out of main.cpp so runtime/tests/test_pgxp_session.cpp runs exactly
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* this code against the real mod runtime and builtin plugin. */
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#include "pgxp_session.h"
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#include "pgxp.h"
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#include <cstdlib>
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extern "C" void gte_geometry_correction_set(int enabled);
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extern "C" void gpu_texture_correction_set(int enabled);
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extern "C" void psx_pgxp_session_reset(void) {
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pgxp_mod_request(0, 0, 0);
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}
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extern "C" PSXPgxpSessionArm psx_pgxp_session_arm(
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const PSXPgxpSessionConfig* config, PSXPgxpSessionInputs* used) {
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PSXPgxpSessionInputs in{};
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in.env_geometry =
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psx_pgxp_session_env_flag(std::getenv("PSX_GEOMETRY_CORRECTION"));
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in.env_texture =
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psx_pgxp_session_env_flag(std::getenv("PSX_PERSPECTIVE_TEXTURING"));
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in.env_cpu_mode =
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psx_pgxp_session_env_flag(std::getenv("PSX_PGXP_CPU_MODE"));
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in.env_culling =
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psx_pgxp_session_env_flag(std::getenv("PSX_PGXP_CULLING"));
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in.video_geometry = config->video_geometry ? 1 : 0;
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in.video_texture = config->video_texture ? 1 : 0;
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in.video_cpu_mode = config->video_cpu_mode ? 1 : 0;
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in.mod_only = config->mod_only ? 1 : 0;
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in.netplay = config->netplay ? 1 : 0;
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/* Take, not peek: the request belongs to this session alone. */
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in.mod_enabled = pgxp_mod_request_take(&in.mod_cpu_mode, &in.mod_culling);
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const PSXPgxpSessionArm arm = psx_pgxp_session_resolve(&in);
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/* The hook flavor tracks the full-word dataflow. A coordinate cache can
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* inject unrelated world fractions into HUD vertices, and a tolerance
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* clamp discards valid shadows, mixing precise/native triangle corners.
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* Base builds lack that coverage and retain their validated defaults.
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* Neither default enables the optional PGXP enhancement itself. */
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#if defined(PSX_PGXP) && PSX_PGXP
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const float default_tolerance = -1.0f;
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const int default_position_fallback = 0;
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#else
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const float default_tolerance = 0.5f;
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const int default_position_fallback = 1;
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#endif
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pgxp_set_tolerance(config->tolerance_set ? config->tolerance : default_tolerance);
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pgxp_set_position_fallback(config->position_fallback_set ?
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config->position_fallback : default_position_fallback);
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pgxp_set_preserve_projection(config->preserve_projection);
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pgxp_set_culling(arm.culling);
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gte_geometry_correction_set(arm.geometry);
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gpu_texture_correction_set(arm.texture);
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pgxp_set_cpu_mode(arm.cpu_mode);
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if (used) *used = in;
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return arm;
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}
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