tobid7
c3a0e936c8
- libpicasso (shader compiling) - linearAllocator template (for std::vector) - palladium vec and mat api - iron (2d renderer)
101 lines
2.9 KiB
C++
Executable File
101 lines
2.9 KiB
C++
Executable File
#include <citro3d.h>
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#include <amethyst/c3d.hpp>
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#include <amethyst/utils.hpp>
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#include <pica.hpp>
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namespace amy {
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const auto DISPLAY_TRANSFER_FLAGS =
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GX_TRANSFER_FLIP_VERT(0) | GX_TRANSFER_OUT_TILED(0) |
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GX_TRANSFER_RAW_COPY(0) | GX_TRANSFER_IN_FORMAT(GX_TRANSFER_FMT_RGBA8) |
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GX_TRANSFER_OUT_FORMAT(GX_TRANSFER_FMT_RGB8) |
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GX_TRANSFER_SCALING(GX_TRANSFER_SCALE_NO);
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C3D_TexEnv* c3d::frag::m_env = nullptr;
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void c3d::init() { C3D_Init(C3D_DEFAULT_CMDBUF_SIZE); }
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void c3d::deinit() { C3D_Fini(); }
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void c3d::startFrame(bool sync) {
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C3D_FrameBegin(sync ? C3D_FRAME_SYNCDRAW : C3D_FRAME_NONBLOCK);
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}
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void c3d::endFrame() { C3D_FrameEnd(0); }
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c3d::screen* c3d::createScreen(gfxScreen_t screen, gfx3dSide_t side) {
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auto t = C3D_RenderTargetCreate(240, screen == GFX_TOP ? 400 : 320,
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GPU_RB_RGBA8, GPU_RB_DEPTH24_STENCIL8);
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C3D_RenderTargetSetOutput(t, screen, side, DISPLAY_TRANSFER_FLAGS);
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return new c3d::screen(t);
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}
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void c3d::deleteScreen(c3d::screen* screen) { delete screen; }
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c3d::shader::shader(const std::string& path) { load(path); }
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c3d::shader::~shader() {}
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void c3d::shader::load(const std::string& path) {
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auto code = utils::loadFile2Mem(path);
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if (!code.size()) {
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throw std::runtime_error("[amy] shader: unable to load " + path);
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}
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load(code);
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}
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void c3d::shader::load(const std::vector<uc>& data) {
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m_code = DVLB_ParseFile((u32*)&data[0], data.size());
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shaderProgramInit(&m_program);
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shaderProgramSetVsh(&m_program, &m_code->DVLE[0]);
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C3D_BindProgram(&m_program);
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AttrInfo_Init(&m_info);
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}
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void c3d::shader::compile(const std::string& code) {
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auto ret = Pica::AssembleCode(code.c_str());
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load(ret);
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}
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void c3d::shader::use() {
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shaderProgramUse(&m_program);
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C3D_SetAttrInfo(&m_info);
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}
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void c3d::shader::setMat4(int loc, C3D_Mtx* m) {
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C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, loc, m);
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}
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void c3d::shader::setMat4(int loc, const mat4& m) {
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C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, loc, (const C3D_Mtx*)&m);
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}
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int c3d::shader::loc(const std::string& name) {
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return shaderInstanceGetUniformLocation(m_program.vertexShader, name.c_str());
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}
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void c3d::shader::input(int reg, GPU_FORMATS f, int num) {
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AttrInfo_AddLoader(&m_info, reg, f, num);
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}
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void c3d::frag::src(C3D_TexEnvMode mode, GPU_TEVSRC s1, GPU_TEVSRC s2,
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GPU_TEVSRC s3) {
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C3D_TexEnvSrc(m_env, mode, s1, s2, s3);
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}
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void c3d::frag::func(C3D_TexEnvMode mode, GPU_COMBINEFUNC func) {
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C3D_TexEnvFunc(m_env, mode, func);
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}
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void c3d::frag::edit(int id) {
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m_env = C3D_GetTexEnv(id);
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C3D_TexEnvInit(m_env);
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}
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void c3d::drawArrays(int start, int count, GPU_Primitive_t prim) {
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C3D_DrawArrays(prim, start, count);
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}
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void c3d::drawElements(int count, const void* idx_ptr, int type,
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GPU_Primitive_t prim) {
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C3D_DrawElements(prim, count, type, idx_ptr);
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}
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} // namespace amy
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