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d3d8ltcg: add D3DDevice_SetVertexShaderConstantNotInline_0__LTCG_ebx1_edx2_eax3 patch

This commit is contained in:
RadWolfie 2025-07-22 21:50:31 -05:00
parent 75e7c680a0
commit 433ef5c7f2
3 changed files with 44 additions and 2 deletions
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40
src/core/hle/D3D8/Direct3D9/Direct3D9.cpp
View File

@ -4409,9 +4409,9 @@ xbox::void_xt __fastcall xbox::EMUPATCH(D3DDevice_SetVertexShaderConstant4)
// ******************************************************************
xbox::void_xt __fastcall xbox::EMUPATCH(D3DDevice_SetVertexShaderConstantNotInline)
(
int_xt Register,
int_xt Register,
CONST PVOID pConstantData,
dword_xt ConstantCount
dword_xt ConstantCount
)
{
LOG_FORWARD("D3DDevice_SetVertexShaderConstant");
@ -4422,6 +4422,42 @@ xbox::void_xt __fastcall xbox::EMUPATCH(D3DDevice_SetVertexShaderConstantNotInli
EMUPATCH(D3DDevice_SetVertexShaderConstant)(Register - X_D3DSCM_CORRECTION, pConstantData, ConstantCount / 4);
}
// ******************************************************************
// * patch: D3DDevice_SetVertexShaderConstantNotInline_0__LTCG_ebx1_edx2_eax3
// ******************************************************************
// Overload for logging
static void D3DDevice_SetVertexShaderConstantNotInline_0__LTCG_ebx1_edx2_eax3()
{
LOG_FORWARD("D3DDevice_SetVertexShaderConstant");
}
// This uses a custom calling convention where parameter is passed in EBX, EDX, EAX
__declspec(naked) xbox::void_xt WINAPI xbox::EMUPATCH(D3DDevice_SetVertexShaderConstantNotInline_0__LTCG_ebx1_edx2_eax3)()
{
int_xt Register;
PVOID pConstantData;
dword_xt ConstantCount;
__asm {
LTCG_PROLOGUE
mov Register, ebx
mov pConstantData, edx
mov ConstantCount, eax
}
// Log
D3DDevice_SetVertexShaderConstantNotInline_0__LTCG_ebx1_edx2_eax3();
// The XDK uses a macro to automatically adjust to 0..191 range
// but D3DDevice_SetVertexShaderConstant expects -96..95 range
// so we adjust before forwarding
EMUPATCH(D3DDevice_SetVertexShaderConstant)(Register - X_D3DSCM_CORRECTION, pConstantData, ConstantCount / 4);
__asm {
LTCG_EPILOGUE
ret
}
}
// ******************************************************************
// * patch: D3DDevice_SetVertexShaderConstantNotInlineFast
// ******************************************************************

5
src/core/hle/D3D8/Direct3D9/Direct3D9.h
View File

@ -483,6 +483,11 @@ xbox::void_xt __fastcall EMUPATCH(D3DDevice_SetVertexShaderConstantNotInline)
dword_xt ConstantCount
);
// ******************************************************************
// * patch: D3DDevice_SetVertexShaderConstantNotInline_0__LTCG_ebx1_edx2_eax3
// ******************************************************************
xbox::void_xt WINAPI EMUPATCH(D3DDevice_SetVertexShaderConstantNotInline_0__LTCG_ebx1_edx2_eax3)();
// ******************************************************************
// * patch: D3DDevice_SetVertexShaderConstantNotInlineFast
// ******************************************************************

1
src/core/hle/Patches.cpp
View File

@ -188,6 +188,7 @@ std::map<const std::string, const xbox_patch_t> g_PatchTable = {
PATCH_ENTRY("D3DDevice_SetVertexShaderConstant1Fast", xbox::EMUPATCH(D3DDevice_SetVertexShaderConstant1Fast), PATCH_HLE_D3D),
PATCH_ENTRY("D3DDevice_SetVertexShaderConstant4", xbox::EMUPATCH(D3DDevice_SetVertexShaderConstant4), PATCH_HLE_D3D),
PATCH_ENTRY("D3DDevice_SetVertexShaderConstantNotInline", xbox::EMUPATCH(D3DDevice_SetVertexShaderConstantNotInline), PATCH_HLE_D3D),
PATCH_ENTRY("D3DDevice_SetVertexShaderConstantNotInline_0__LTCG_ebx1_edx2_eax3", xbox::EMUPATCH(D3DDevice_SetVertexShaderConstantNotInline_0__LTCG_ebx1_edx2_eax3), PATCH_HLE_D3D),
PATCH_ENTRY("D3DDevice_SetVertexShaderConstantNotInlineFast", xbox::EMUPATCH(D3DDevice_SetVertexShaderConstantNotInlineFast), PATCH_HLE_D3D),
PATCH_ENTRY("D3DDevice_SetVertexShaderConstant_8__LTCG_edx3", xbox::EMUPATCH(D3DDevice_SetVertexShaderConstant_8__LTCG_edx3), PATCH_HLE_D3D),
PATCH_ENTRY("D3DDevice_SetVertexShaderInput", xbox::EMUPATCH(D3DDevice_SetVertexShaderInput), PATCH_HLE_D3D),