jracek/secretpsxsplash
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added translation and rotation, initializing GTE with the renderer

Browse Source
This commit is contained in:
jracek
2025-03-19 00:10:46 +01:00
parent 48433876c7
commit 4b37731a97
4 changed files with 94 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/main.cpp
View File

@@ -1,5 +1,7 @@
#include <stdint.h>
#include "EASTL/array.h"
#include "gameobject.hh"
#include "psyqo/application.hh"
#include "psyqo/font.hh"
#include "psyqo/gpu.hh"
@@ -25,6 +27,8 @@ class MainScene final : public psyqo::Scene {
uint8_t m_anim = 0;
bool m_direction = true;
eastl::array<psxsplash::GameObject> objects;
};
PSXSplash psxSplash;
@@ -39,6 +43,7 @@ void PSXSplash::prepare() {
.set(psyqo::GPU::ColorMode::C15BITS)
.set(psyqo::GPU::Interlace::PROGRESSIVE);
gpu().initialize(config);
m_renderer.initialize();
}
void PSXSplash::createScene() {
@@ -47,22 +52,7 @@ void PSXSplash::createScene() {
}
void MainScene::frame() {
if (m_anim == 0) {
m_direction = true;
} else if (m_anim == 255) {
m_direction = false;
}
psyqo::Color bg{{.r = 0, .g = 64, .b = 91}};
bg.r = m_anim;
psxSplash.gpu().clear(bg);
if (m_direction) {
m_anim++;
} else {
m_anim--;
}
psyqo::Color c = {{.r = 255, .g = 255, .b = uint8_t(255 - m_anim)}};
psxSplash.m_font.print(psxSplash.gpu(), "Hello World!", {{.x = 16, .y = 32}}, c);
psxSplash.m_renderer.render(objects);
}
int main() { return psxSplash.run(); }

125
src/renderer.cpp
View File

@@ -2,65 +2,104 @@
#include "psyqo/primitives/triangles.hh"
#include "renderer.hh"
#include "gameobject.hh"
#include "psyqo/soft-math.hh"
#include "renderer.hh"
void psxsplash::Renderer::initialize() {
psyqo::GTE::clear<psyqo::GTE::Register::TRX, psyqo::GTE::Unsafe>();
psyqo::GTE::clear<psyqo::GTE::Register::TRY, psyqo::GTE::Unsafe>();
psyqo::GTE::clear<psyqo::GTE::Register::TRZ, psyqo::GTE::Unsafe>();
psyqo::GTE::write<psyqo::GTE::Register::OFX, psyqo::GTE::Unsafe>(psyqo::FixedPoint<16>(160.0).raw());
psyqo::GTE::write<psyqo::GTE::Register::OFY, psyqo::GTE::Unsafe>(psyqo::FixedPoint<16>(120.0).raw());
psyqo::GTE::write<psyqo::GTE::Register::H, psyqo::GTE::Unsafe>(120);
psyqo::GTE::write<psyqo::GTE::Register::ZSF3, psyqo::GTE::Unsafe>(ORDERING_TABLE_SIZE / 3);
psyqo::GTE::write<psyqo::GTE::Register::ZSF4, psyqo::GTE::Unsafe>(ORDERING_TABLE_SIZE / 4);
}
void psxsplash::Renderer::render(eastl::array<GameObject> &objects) {
uint8_t parity = m_gpu.getParity();
uint8_t parity = m_gpu.getParity();
auto& ot = m_ots[parity];
auto& clear = m_clear[parity];
auto& balloc = m_ballocs[parity];
auto &ot = m_ots[parity];
auto &clear = m_clear[parity];
auto &balloc = m_ballocs[parity];
eastl::array<psyqo::Vertex, 3> projected;
eastl::array<psyqo::Vertex, 3> projected;
m_gpu.getNextClear(clear.primitive, m_clearcolor);
m_gpu.chain(clear);
m_gpu.getNextClear(clear.primitive, m_clearcolor);
m_gpu.chain(clear);
balloc.reset();
balloc.reset();
for (auto& obj : objects) {
for (auto &obj : objects) {
auto& mesh = obj.m_mesh;
auto& texture = mesh.m_texture;
for (auto& tri : mesh.m_polygons) {
auto &mesh = obj.m_mesh;
auto &texture = mesh.m_texture;
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V0>(tri.v0);
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V1>(tri.v1);
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V2>(tri.v2);
psyqo::GTE::write<psyqo::GTE::Register::TRX, psyqo::GTE::Unsafe>(
obj.m_pos.x.raw());
psyqo::GTE::write<psyqo::GTE::Register::TRY, psyqo::GTE::Unsafe>(
obj.m_pos.y.raw());
psyqo::GTE::write<psyqo::GTE::Register::TRZ, psyqo::GTE::Unsafe>(
obj.m_pos.z.raw());
psyqo::GTE::Kernels::rtpt();
psyqo::GTE::Kernels::nclip();
auto transform = psyqo::SoftMath::generateRotationMatrix33(
obj.m_rot[0], psyqo::SoftMath::Axis::X, m_trig);
auto rot = psyqo::SoftMath::generateRotationMatrix33(
obj.m_rot[1], psyqo::SoftMath::Axis::Y, m_trig);
int32_t mac0 = 0;
psyqo::GTE::read<psyqo::GTE::Register::MAC0>(reinterpret_cast<uint32_t*>(&mac0));
if (mac0 <= 0) continue;
psyqo::SoftMath::multiplyMatrix33(transform, rot, &transform);
psyqo::GTE::Kernels::avsz4();
int32_t zIndex = 0;
psyqo::GTE::read<psyqo::GTE::Register::OTZ>(reinterpret_cast<uint32_t*>(&zIndex));
if (zIndex < 0 || zIndex >= ORDERING_TABLE_SIZE) continue;
psyqo::GTE::read<psyqo::GTE::Register::SXY0>(&projected[1].packed);
psyqo::GTE::read<psyqo::GTE::Register::SXY1>(&projected[2].packed);
psyqo::GTE::read<psyqo::GTE::Register::SXY2>(&projected[3].packed);
auto rotZ = psyqo::SoftMath::generateRotationMatrix33(
obj.m_rot[2], psyqo::SoftMath::Axis::Z, m_trig);
auto& prim = balloc.allocate<psyqo::Fragments::SimpleFragment<psyqo::Prim::TexturedTriangle>>();
psyqo::SoftMath::multiplyMatrix33(transform, rotZ, &transform);
prim.primitive.pointA = projected[0];
prim.primitive.pointB = projected[1];
prim.primitive.pointC = projected[2];
prim.primitive.uvA = tri.uvA;
prim.primitive.uvB = tri.uvB;
prim.primitive.uvC = tri.uvC;
prim.primitive.tpage = texture.m_tpage;
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::Rotation>(transform);
ot.insert(prim, zIndex);
}
for (auto &tri : mesh.m_polygons) {
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V0>(tri.v0);
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V1>(tri.v1);
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V2>(tri.v2);
psyqo::GTE::Kernels::rtpt();
psyqo::GTE::Kernels::nclip();
int32_t mac0 = 0;
psyqo::GTE::read<psyqo::GTE::Register::MAC0>(
reinterpret_cast<uint32_t *>(&mac0));
if (mac0 <= 0)
continue;
psyqo::GTE::Kernels::avsz4();
int32_t zIndex = 0;
psyqo::GTE::read<psyqo::GTE::Register::OTZ>(
reinterpret_cast<uint32_t *>(&zIndex));
if (zIndex < 0 || zIndex >= ORDERING_TABLE_SIZE)
continue;
psyqo::GTE::read<psyqo::GTE::Register::SXY0>(&projected[1].packed);
psyqo::GTE::read<psyqo::GTE::Register::SXY1>(&projected[2].packed);
psyqo::GTE::read<psyqo::GTE::Register::SXY2>(&projected[3].packed);
auto &prim = balloc.allocate<
psyqo::Fragments::SimpleFragment<psyqo::Prim::TexturedTriangle>>();
prim.primitive.pointA = projected[0];
prim.primitive.pointB = projected[1];
prim.primitive.pointC = projected[2];
prim.primitive.uvA = tri.uvA;
prim.primitive.uvB = tri.uvB;
prim.primitive.uvC = tri.uvC;
prim.primitive.tpage = texture.m_tpage;
ot.insert(prim, zIndex);
}
}
m_gpu.chain(ot);
m_gpu.chain(ot);
}

5
src/renderer.hh
View File

@@ -8,6 +8,7 @@
#include "psyqo/primitives/common.hh"
#include "psyqo/primitives/misc.hh"
#include "psyqo/bump-allocator.hh"
#include "psyqo/trigonometry.hh"
namespace psxsplash {
@@ -16,14 +17,16 @@ class Renderer final {
static constexpr size_t BUMP_ALLOCATOR_SIZE = 100000;
psyqo::GPU& m_gpu;
psyqo::Trig<> m_trig;
public:
psyqo::OrderingTable<ORDERING_TABLE_SIZE> m_ots[2];
psyqo::Fragments::SimpleFragment<psyqo::Prim::FastFill> m_clear[2];
psyqo::Color m_clearcolor = {.r = 0, .g = 0, .b = 0};
psyqo::Color m_clearcolor = {.r = 63, .g = 63, .b = 63};
psyqo::BumpAllocator<BUMP_ALLOCATOR_SIZE> m_ballocs[2];
Renderer(psyqo::GPU& gpuInstance) : m_gpu(gpuInstance) {}
void initialize();
void render(eastl::array<GameObject>& objects);
};