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Added support for per primitive scissor.

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bkaradzic
2013-07-27 15:27:54 -07:00
parent a1e226cb5b
commit bac2073b76
7 changed files with 151 additions and 48 deletions
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43
src/renderer_d3d9.cpp
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@@ -2287,6 +2287,7 @@ namespace bgfx
if (key.m_view != view)
{
currentState.clear();
currentState.m_scissor = !state.m_scissor;
changedFlags = BGFX_STATE_MASK;
changedStencil = packStencil(BGFX_STENCIL_MASK, BGFX_STENCIL_MASK);
currentState.m_flags = newFlags;
@@ -2354,11 +2355,38 @@ namespace bgfx
}
}
Rect& scissorRect = m_render->m_scissor[view];
bool scissor = !scissorRect.isZero();
DX_CHECK(device->SetRenderState(D3DRS_SCISSORTESTENABLE, scissor) );
if (scissor)
DX_CHECK(device->SetRenderState(D3DRS_STENCILENABLE, FALSE) );
DX_CHECK(device->SetRenderState(D3DRS_ZENABLE, TRUE) );
DX_CHECK(device->SetRenderState(D3DRS_ZFUNC, D3DCMP_LESS) );
DX_CHECK(device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE) );
DX_CHECK(device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE) );
DX_CHECK(device->SetRenderState(D3DRS_ALPHAFUNC, D3DCMP_GREATER) );
}
uint16_t scissor = state.m_scissor;
if (currentState.m_scissor != scissor)
{
currentState.m_scissor = scissor;
if (UINT16_MAX == scissor)
{
const Rect& scissorRect = m_render->m_scissor[view];
bool scissorEnabled = !scissorRect.isZero();
DX_CHECK(device->SetRenderState(D3DRS_SCISSORTESTENABLE, scissorEnabled) );
if (scissorEnabled)
{
RECT rc;
rc.left = scissorRect.m_x;
rc.top = scissorRect.m_y;
rc.right = scissorRect.m_x + scissorRect.m_width;
rc.bottom = scissorRect.m_y + scissorRect.m_height;
DX_CHECK(device->SetScissorRect(&rc) );
}
}
else
{
DX_CHECK(device->SetRenderState(D3DRS_SCISSORTESTENABLE, true) );
const Rect& scissorRect = m_render->m_rectCache.m_cache[scissor];
RECT rc;
rc.left = scissorRect.m_x;
rc.top = scissorRect.m_y;
@@ -2366,13 +2394,6 @@ namespace bgfx
rc.bottom = scissorRect.m_y + scissorRect.m_height;
DX_CHECK(device->SetScissorRect(&rc) );
}
DX_CHECK(device->SetRenderState(D3DRS_STENCILENABLE, FALSE) );
DX_CHECK(device->SetRenderState(D3DRS_ZENABLE, TRUE) );
DX_CHECK(device->SetRenderState(D3DRS_ZFUNC, D3DCMP_LESS) );
DX_CHECK(device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE) );
DX_CHECK(device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE) );
DX_CHECK(device->SetRenderState(D3DRS_ALPHAFUNC, D3DCMP_GREATER) );
}
if (0 != changedStencil)