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starting work on ps2 driver

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aap
2017-08-12 10:25:25 +02:00
parent e5c2a66bd5
commit aec8c202c6
24 changed files with 1843 additions and 61 deletions
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56
src/camera.cpp Normal file → Executable file
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@@ -184,7 +184,21 @@ cameraSync(ObjectWithFrame *obj)
* and to clip space are handled by separate matrices there.
* On these platforms the two matrices are built in the platform's
* beginUpdate function.
* On the PS2 the 1/2 translation/shear is removed again on the VU1.
* On the PS2 the z- and w-rows are the same and the
* 1/2 translation/shear is removed again on the VU1 by
* subtracting the w-row/2 from the x- and y-rows.
*
* perspective:
* 1/2w 0 ox/2w -ox/2w
* 0 -1/2h -oy/2h oy/2h
* 0 0 1 0
* 0 0 1 0
*
* parallel:
* 1/2w 0 ox/2w -ox/2w
* 0 -1/2h -oy/2h oy/2h
* 0 0 1 0
* 0 0 0 1
*
* RW builds this matrix directly without using explicit
* inversion and matrix multiplication.
@@ -193,8 +207,8 @@ cameraSync(ObjectWithFrame *obj)
Camera *cam = (Camera*)obj;
Matrix inv, proj;
Matrix::invertOrthonormal(&inv, cam->getFrame()->getLTM());
float32 xscl = 2.0f/cam->viewWindow.x;
float32 yscl = 2.0f/cam->viewWindow.y;
float32 xscl = 1.0f/(2.0f*cam->viewWindow.x);
float32 yscl = 1.0f/(2.0f*cam->viewWindow.y);
proj.flags = 0;
proj.right.x = xscl;
@@ -351,6 +365,8 @@ Camera::setNearPlane(float32 near)
{
this->nearPlane = near;
calczShiftScale(this);
if(this->getFrame())
this->getFrame()->updateObjects();
}
void
@@ -358,6 +374,32 @@ Camera::setFarPlane(float32 far)
{
this->farPlane = far;
calczShiftScale(this);
if(this->getFrame())
this->getFrame()->updateObjects();
}
void
Camera::setViewWindow(const V2d *window)
{
this->viewWindow = *window;
if(this->getFrame())
this->getFrame()->updateObjects();
}
void
Camera::setViewOffset(const V2d *offset)
{
this->viewOffset = *offset;
if(this->getFrame())
this->getFrame()->updateObjects();
}
void
Camera::setProjection(int32 proj)
{
this->projection = proj;
if(this->getFrame())
this->getFrame()->updateObjects();
}
int32
@@ -433,10 +475,12 @@ Camera::streamGetSize(void)
void
Camera::setFOV(float32 fov, float32 ratio)
{
V2d v;
float32 a = tan(fov*3.14159f/360.0f);
this->viewWindow.x = a;
this->viewWindow.y = a/ratio;
this->viewOffset.set(0.0f, 0.0f);
v.set(a, a/ratio);
this->setViewWindow(&v);
v.set(0.0f, 0.0f);
this->setViewOffset(&v);
}
}