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* lay base for 3D engine

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* add failure reporting to Init functions, and DeInit functions
* GPU-related notes
* readme update
This commit is contained in:
StapleButter
2017-02-07 22:23:46 +01:00
parent 86cdf28323
commit 0562410de2
17 changed files with 274 additions and 40 deletions
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15
GPU.cpp
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@ -68,10 +68,20 @@ GPU2D* GPU2D_A;
GPU2D* GPU2D_B;
void Init()
bool Init()
{
GPU2D_A = new GPU2D(0);
GPU2D_B = new GPU2D(1);
if (!GPU3D::Init()) return false;
return true;
}
void DeInit()
{
delete GPU2D_A;
delete GPU2D_B;
GPU3D::DeInit();
}
void Reset()
@ -118,6 +128,7 @@ void Reset()
GPU2D_A->Reset();
GPU2D_B->Reset();
GPU3D::Reset();
GPU2D_A->SetFramebuffer(&Framebuffer[256*192]);
GPU2D_B->SetFramebuffer(&Framebuffer[256*0]);
@ -147,6 +158,8 @@ void Reset()
// ARM7 (TODO)
// extended palette (mirroring doesn't apply)
// texture/texpal (does mirroring apply?)
// -> trying to use extpal/texture/texpal with no VRAM mapped.
// would likely read all black, but has to be tested.
//
// overlap:
// when reading: values are read from each bank and ORed together