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Support ApplyMatrix

This commit is contained in:
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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2
examples/PoolBox/application/src/Overlay/GTETest/gte_test.cpp
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@ -34,7 +34,7 @@ namespace GTETest {
GTE::set_trans_matrix(matrix);
GTE::set_rot_matrix(matrix);
doener_fish.apply();
doener_fish.apply(matrix);
rotation += 5_DEG;
return false;
}

17
examples/PoolBox/application/src/Overlay/GTETest/include/GTE_Sprite.hpp
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@ -17,20 +17,19 @@ namespace GTETest {
};
}
void apply() {
static const auto apply_to = [](GTE::SVECTOR vector) -> GPU::Vertex {
GTE::VECTOR output;
void apply(const GTE::MATRIX& matrix) {
static const auto apply_to = [](const GTE::MATRIX& matrix, GTE::SVECTOR vector) -> GPU::Vertex {
GTE::SVECTOR output;
int32_t flag;
GTE::rot_trans(vector, output, flag);
return output.to<GPU::Vertex>();
return GTE::apply_matrix(matrix, vector, output).to<GPU::Vertex>();
};
const auto& area = this->area;
this->display.vertex0 = apply_to(GTE::SVECTOR::from(area.get_top_left()));
this->display.vertex1 = apply_to(GTE::SVECTOR::from(area.get_top_right()));
this->display.vertex2 = apply_to(GTE::SVECTOR::from(area.get_bottom_left()));
this->display.vertex3 = apply_to(GTE::SVECTOR::from(area.get_bottom_right()));
this->display.vertex0 = apply_to(matrix, GTE::SVECTOR::from(area.get_top_left()));
this->display.vertex1 = apply_to(matrix, GTE::SVECTOR::from(area.get_top_right()));
this->display.vertex2 = apply_to(matrix, GTE::SVECTOR::from(area.get_bottom_left()));
this->display.vertex3 = apply_to(matrix, GTE::SVECTOR::from(area.get_bottom_right()));
}
void render() {

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
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@ -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)

10
src/Library/src/GTE/gte.cpp
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@ -43,6 +43,16 @@ namespace JabyEngine {
static MATRIX Stack[StackSize];
static MATRIX* FreeStackEntry = Stack;
SVECTOR& apply_matrix(const MATRIX& m0, const SVECTOR& v0, SVECTOR& v1) {
// TODO: Do we want to push here?
set_rot_matrix(m0);
JabyEngine::GTE::ldv0(v0);
JabyEngine::GTE::rtv0();
JabyEngine::GTE::stsv(v1);
return v1;
}
MATRIX& multiply_matrix(const MATRIX& m0, const MATRIX& m1, MATRIX& result) {
set_rot_matrix(m0);