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pd-3ds: Add sysfont loader

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- add support for Alpha only textures in rendering
This commit is contained in:
tobid7
2025-12-19 21:07:57 +01:00
parent 1e35dbd743
commit 4ad00cd2be
3 changed files with 120 additions and 6 deletions
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27
backends/3ds/source/bknd-gfx.cpp
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@@ -82,6 +82,27 @@ int GetBPP(Li::Texture::Type type) {
return 0; // Error
}
void FragCfg(GPU_TEXCOLOR clr) {
C3D_DepthTest(false, GPU_GREATER, GPU_WRITE_ALL);
C3D_TexEnv* env = C3D_GetTexEnv(0);
C3D_TexEnvInit(env);
switch (clr) {
case GPU_A4:
case GPU_A8:
case GPU_L4:
case GPU_L8:
C3D_TexEnvSrc(env, C3D_Alpha, GPU_TEXTURE0);
C3D_TexEnvFunc(env, C3D_RGB, GPU_REPLACE);
C3D_TexEnvFunc(env, C3D_Alpha, GPU_MODULATE);
break;
default:
C3D_TexEnvSrc(env, C3D_Both, GPU_TEXTURE0);
C3D_TexEnvFunc(env, C3D_Both, GPU_MODULATE);
break;
}
}
void GfxC3D::Init() {
VertexBuffer.resize(4 * 8192);
IndexBuffer.resize(6 * 8192);
@@ -129,11 +150,6 @@ void GfxC3D::RenderDrawData(const std::vector<PD::Li::Command::Ref>& Commands) {
C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, pLocProjection, &proj);
// Mat4 proj = Mat4::Ortho(0.f, ViewPort.x, ViewPort.y, 0.f, 1.f, -1.f);
// C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, pLocProjection, (C3D_Mtx*)&proj);
C3D_DepthTest(false, GPU_GREATER, GPU_WRITE_ALL);
C3D_TexEnv* env = C3D_GetTexEnv(0);
C3D_TexEnvInit(env);
C3D_TexEnvSrc(env, C3D_Both, GPU_TEXTURE0);
C3D_TexEnvFunc(env, C3D_Both, GPU_MODULATE);
size_t index = 0;
while (index < Commands.size()) {
PD::Li::Texture::Ref Tex = Commands[index]->Tex;
@@ -166,6 +182,7 @@ void GfxC3D::RenderDrawData(const std::vector<PD::Li::Command::Ref>& Commands) {
} else {
C3D_SetScissor(GPU_SCISSOR_DISABLE, 0, 0, 0, 0);
}
FragCfg(((C3D_Tex*)Tex->Address)->fmt);
BindTex(Tex->Address);
auto bufInfo = C3D_GetBufInfo();
BufInfo_Init(bufInfo);