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Support ApplyMatrix

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jaby
2024-04-02 16:08:24 -05:00
parent 87f71a6c61
commit 57e1a17dd2
5 changed files with 52 additions and 11 deletions
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13
include/PSX/GTE/gte.hpp
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@@ -89,7 +89,18 @@ namespace JabyEngine {
__asm__ volatile("cfc2 $12, $5" :: "r"(&matrix) : "$12", "$13", "$14");
__asm__ volatile("sw $13, 24(%0)" :: "r"(&matrix) : "$12", "$13", "$14");
__asm__ volatile("sw $12, 20(%0)" :: "r"(&matrix) : "$12", "$13", "$14");
}
}
/*
ApplyMatrix
m0: Matrix to apply
v0: Vector to apply to
v1: Result
returns: result
Applies the matrix to the vector
*/
SVECTOR& apply_matrix(const MATRIX& m0, const SVECTOR& v0, SVECTOR& v1);
/*
MulMatrix0

21
include/PSX/GTE/gte_instruction.hpp
View File

@@ -55,6 +55,17 @@ namespace JabyEngine {
__asm__ volatile("swc2 $27, 8(%0)" :: "r"(&out_vector) : "memory");
}
// Modify to store in VERTEX?
// Store SVECTOR from 16 bit universal register
static __always_inline void stsv(SVECTOR& out_vector) {
__asm__ volatile("mfc2 $12, $9" :: "r"(&out_vector) : "$12", "$13", "$14", "memory");
__asm__ volatile("mfc2 $13, $10" :: "r"(&out_vector) : "$12", "$13", "$14", "memory");
__asm__ volatile("mfc2 $14, $11" :: "r"(&out_vector) : "$12", "$13", "$14", "memory");
__asm__ volatile("sh $12, 0(%0)" :: "r"(&out_vector) : "$12", "$13", "$14", "memory");
__asm__ volatile("sh $13, 2(%0)" :: "r"(&out_vector) : "$12", "$13", "$14", "memory");
__asm__ volatile("sh $14, 4(%0)" :: "r"(&out_vector) : "$12", "$13", "$14", "memory");
}
/*
Kernel of RotTrans
(Transfer vector)+(Rotation Matrix)*(vertex register 0)
@@ -65,6 +76,16 @@ namespace JabyEngine {
__asm__ volatile("cop2 0x0480012");
}
/*
Variation of gte_rt
(Rotation Matrix)*(vertex register 0).
*/
static __always_inline void rtv0() {
__asm__ volatile("nop;");
__asm__ volatile("nop;");
__asm__ volatile("cop2 0x0486012;");
}
/*
Variation of gte_rt
(Rotation Matrix)*(16 bit universal vector)