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DX9: Create D3DFMT_NULL render target when only depth is attached to framebuffer.

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This commit is contained in:
Branimir Karadžić 2014-02-22 08:48:30 -08:00
parent ceffc24f17
commit b09018df86
2 changed files with 51 additions and 18 deletions
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68
src/renderer_d3d9.cpp
View File

@ -71,20 +71,7 @@ namespace bgfx
D3DBLENDOP_MAX, D3DBLENDOP_MAX,
}; };
static const D3DCMPFUNC s_depthFunc[] = static const D3DCMPFUNC s_cmpFunc[] =
{
(D3DCMPFUNC)0, // ignored
D3DCMP_LESS,
D3DCMP_LESSEQUAL,
D3DCMP_EQUAL,
D3DCMP_GREATEREQUAL,
D3DCMP_GREATER,
D3DCMP_NOTEQUAL,
D3DCMP_NEVER,
D3DCMP_ALWAYS,
};
static const D3DCMPFUNC s_stencilFunc[] =
{ {
(D3DCMPFUNC)0, // ignored (D3DCMPFUNC)0, // ignored
D3DCMP_LESS, D3DCMP_LESS,
@ -655,12 +642,17 @@ namespace bgfx
else else
{ {
const FrameBuffer& frameBuffer = m_frameBuffers[_fbh.idx]; const FrameBuffer& frameBuffer = m_frameBuffers[_fbh.idx];
for (uint32_t ii = 0, num = frameBuffer.m_num; ii < num; ++ii)
// If frame buffer has only depth attachement D3DFMT_NULL
// render target is created.
uint32_t fbnum = bx::uint32_max(1, frameBuffer.m_num);
for (uint32_t ii = 0; ii < fbnum; ++ii)
{ {
DX_CHECK(m_device->SetRenderTarget(ii, frameBuffer.m_color[ii]) ); DX_CHECK(m_device->SetRenderTarget(ii, frameBuffer.m_color[ii]) );
} }
for (uint32_t ii = frameBuffer.m_num, num = g_caps.maxFBAttachments; ii < num; ++ii) for (uint32_t ii = fbnum, num = g_caps.maxFBAttachments; ii < num; ++ii)
{ {
DX_CHECK(m_device->SetRenderTarget(ii, NULL) ); DX_CHECK(m_device->SetRenderTarget(ii, NULL) );
} }
@ -1904,6 +1896,11 @@ namespace bgfx
m_needResolve |= (NULL != texture.m_surface) && (NULL != texture.m_texture2d); m_needResolve |= (NULL != texture.m_surface) && (NULL != texture.m_texture2d);
} }
} }
if (0 == m_num)
{
createNullColorRT();
}
} }
void FrameBuffer::destroy() void FrameBuffer::destroy()
@ -1922,6 +1919,16 @@ namespace bgfx
if (NULL != m_depthStencil) if (NULL != m_depthStencil)
{ {
if (0 == m_num)
{
IDirect3DSurface9* ptr = m_color[0];
if (NULL != ptr)
{
ptr->Release();
m_color[0] = NULL;
}
}
m_depthStencil->Release(); m_depthStencil->Release();
m_depthStencil = NULL; m_depthStencil = NULL;
} }
@ -1958,6 +1965,12 @@ namespace bgfx
if (isValid(m_depthHandle) ) if (isValid(m_depthHandle) )
{ {
if (0 == m_num)
{
m_color[0]->Release();
m_color[0] = NULL;
}
m_depthStencil->Release(); m_depthStencil->Release();
m_depthStencil = NULL; m_depthStencil = NULL;
} }
@ -1991,9 +2004,28 @@ namespace bgfx
{ {
DX_CHECK(texture.m_texture2d->GetSurfaceLevel(0, &m_depthStencil) ); DX_CHECK(texture.m_texture2d->GetSurfaceLevel(0, &m_depthStencil) );
} }
if (0 == m_num)
{
createNullColorRT();
}
} }
} }
void FrameBuffer::createNullColorRT()
{
const Texture& texture = s_renderCtx->m_textures[m_depthHandle.idx];
DX_CHECK(s_renderCtx->m_device->CreateRenderTarget(texture.m_width
, texture.m_height
, D3DFMT_NULL
, D3DMULTISAMPLE_NONE
, 0
, false
, &m_color[0]
, NULL
) );
}
void ConstantBuffer::commit() void ConstantBuffer::commit()
{ {
reset(); reset();
@ -2540,7 +2572,7 @@ namespace bgfx
if ( (BGFX_STENCIL_TEST_MASK|BGFX_STENCIL_FUNC_REF_MASK|BGFX_STENCIL_FUNC_RMASK_MASK) & changed) if ( (BGFX_STENCIL_TEST_MASK|BGFX_STENCIL_FUNC_REF_MASK|BGFX_STENCIL_FUNC_RMASK_MASK) & changed)
{ {
uint32_t func = (stencil&BGFX_STENCIL_TEST_MASK)>>BGFX_STENCIL_TEST_SHIFT; uint32_t func = (stencil&BGFX_STENCIL_TEST_MASK)>>BGFX_STENCIL_TEST_SHIFT;
DX_CHECK(device->SetRenderState(s_stencilFuncRs[ii], s_stencilFunc[func]) ); DX_CHECK(device->SetRenderState(s_stencilFuncRs[ii], s_cmpFunc[func]) );
} }
if ( (BGFX_STENCIL_OP_FAIL_S_MASK|BGFX_STENCIL_OP_FAIL_Z_MASK|BGFX_STENCIL_OP_PASS_Z_MASK) & changed) if ( (BGFX_STENCIL_OP_FAIL_S_MASK|BGFX_STENCIL_OP_FAIL_Z_MASK|BGFX_STENCIL_OP_PASS_Z_MASK) & changed)
@ -2590,7 +2622,7 @@ namespace bgfx
if (0 != func) if (0 != func)
{ {
DX_CHECK(device->SetRenderState(D3DRS_ZFUNC, s_depthFunc[func]) ); DX_CHECK(device->SetRenderState(D3DRS_ZFUNC, s_cmpFunc[func]) );
} }
} }

1
src/renderer_d3d9.h
View File

@ -361,6 +361,7 @@ namespace bgfx
void resolve() const; void resolve() const;
void preReset(); void preReset();
void postReset(); void postReset();
void createNullColorRT();
IDirect3DSurface9* m_color[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS-1]; IDirect3DSurface9* m_color[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS-1];
IDirect3DSurface9* m_depthStencil; IDirect3DSurface9* m_depthStencil;