OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
1
Fork 0
Code Activity

- New: When using the D3D9 framebuffer, palette blending is now applied only

Browse source 
to the 3D area of the screen. This means the console and (the primary
  rectangular area of) the status bar are no longer blended.


SVN r601 (trunk)
This commit is contained in:
Randy Heit 2007-12-18 01:50:08 +00:00
commit c087e4d411
7 changed files with 174 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

155
src/win32/fb_d3d9.cpp
View file

@ -67,6 +67,9 @@
// MACROS ------------------------------------------------------------------
// The number of vertices the vertex buffer should hold.
#define NUM_VERTS 28
// TYPES -------------------------------------------------------------------
IMPLEMENT_CLASS(D3DFB)
@ -194,6 +197,11 @@ D3DFB::D3DFB (int width, int height, bool fullscreen)
PalFormat = D3DFMT_UNKNOWN;
VSync = vid_vsync;
OffByOneAt = -1;
BlendingRect.left = 0;
BlendingRect.top = 0;
BlendingRect.right = FBWidth;
BlendingRect.bottom = FBHeight;
UseBlendingRect = false;
Gamma = 1.0;
memset (FlashConstants, 0, sizeof(FlashConstants));
@ -621,32 +629,116 @@ bool D3DFB::CreatePaletteTexture ()
}
bool D3DFB::CreateVertexes ()
{
if (FAILED(D3DDevice->CreateVertexBuffer (sizeof(FBVERTEX)*NUM_VERTS, D3DUSAGE_WRITEONLY, D3DFVF_FBVERTEX, D3DPOOL_DEFAULT, &VertexBuffer, NULL)) ||
!UploadVertices())
{
return false;
}
return true;
}
bool D3DFB::UploadVertices()
{
float top = (TrueHeight - Height) * 0.5f - 0.5f;
float right = float(Width) - 0.5f;
float bot = float(Height) + top;
float texright = float(Width) / float(FBWidth);
float texbot = float(Height) / float(FBHeight);
FBVERTEX verts[4] =
{
{ -0.5f, top, 0.5f, 1.f, 0.f, 0.f },
{ right, top, 0.5f, 1.f, texright, 0.f },
{ right, bot, 0.5f, 1.f, texright, texbot },
{ -0.5f, bot, 0.5f, 1.f, 0.f, texbot }
};
void *pverts;
if (FAILED(D3DDevice->CreateVertexBuffer (sizeof(verts), D3DUSAGE_WRITEONLY, D3DFVF_FBVERTEX, D3DPOOL_DEFAULT, &VertexBuffer, NULL)) ||
FAILED(VertexBuffer->Lock (0, sizeof(verts), &pverts, 0)))
if ((BlendingRect.left <= 0 && BlendingRect.right >= FBWidth &&
BlendingRect.top <= 0 && BlendingRect.bottom >= FBHeight) ||
BlendingRect.left >= BlendingRect.right ||
BlendingRect.top >= BlendingRect.bottom)
{
// Blending rect covers the whole screen, so only need 4 verts.
FBVERTEX verts[4] =
{
{ -0.5f, top, 0.5f, 1.f, 0.f, 0.f },
{ right, top, 0.5f, 1.f, texright, 0.f },
{ right, bot, 0.5f, 1.f, texright, texbot },
{ -0.5f, bot, 0.5f, 1.f, 0.f, texbot }
};
if (SUCCEEDED(VertexBuffer->Lock(0, sizeof(verts), &pverts, 0)))
{
memcpy (pverts, verts, sizeof(verts));
VertexBuffer->Unlock();
return true;
}
return false;
}
else
// Only the 3D area of the screen is effected by palette flashes.
// So we create some boxes around it that can be drawn without the
// flash. These include the corners of the view area so I can be
// sure the texture interpolation is consistant. (Well, actually,
// since it's a 1-to-1 pixel mapping, it shouldn't matter.)
float mxl = float(BlendingRect.left) - 0.5f;
float mxr = float(BlendingRect.right) - 0.5f;
float myt = float(BlendingRect.top) + top;
float myb = float(BlendingRect.bottom) + top;
float tmxl = float(BlendingRect.left) / float(Width) * texright;
float tmxr = float(BlendingRect.right) / float(Width) * texright;
float tmyt = float(BlendingRect.top) / float(Height) * texbot;
float tmyb = float(BlendingRect.bottom) / float(Height) * texbot;
/* +-------------------+
| |
+-----+-------+-----+
| | | |
| | | |
| | | |
+-----+-------+-----+
| |
+-------------------+ */
FBVERTEX verts[28] =
{
// The whole screen, for when no blending is happening
{ -0.5f, top, 0.5f, 1.f, 0.f, 0.f }, // 0
{ right, top, 0.5f, 1.f, texright, 0.f },
{ right, bot, 0.5f, 1.f, texright, texbot },
{ -0.5f, bot, 0.5f, 1.f, 0.f, texbot },
// Left area
{ -0.5f, myt, 0.5f, 1.f, 0.f, tmyt }, // 4
{ mxl, myt, 0.5f, 1.f, tmxl, tmyt },
{ mxl, myb, 0.5f, 1.f, tmxl, tmyb },
{ -0.5f, myb, 0.5f, 1.f, 0.f, tmyb },
// Right area
{ mxr, myt, 0.5f, 1.f, tmxr, tmyt }, // 8
{ right, myt, 0.5f, 1.f, texright, tmyt },
{ right, myb, 0.5f, 1.f, texright, tmyb },
{ mxr, myb, 0.5f, 1.f, tmxr, tmyb },
// Bottom area
{ -0.5f, bot, 0.5f, 1.f, 0.f, texbot }, // 12
{ -0.5f, myb, 0.5f, 1.f, 0.f, tmyb },
{ mxl, myb, 0.5f, 1.f, tmxl, tmyb },
{ mxr, myb, 0.5f, 1.f, tmxr, tmyb },
{ right, myb, 0.5f, 1.f, texright, tmyb },
{ right, bot, 0.5f, 1.f, texright, texbot },
// Top area
{ right, top, 0.5f, 1.f, texright, 0.f }, // 18
{ right, myt, 0.5f, 1.f, texright, tmyt },
{ mxr, myt, 0.5f, 1.f, tmxr, tmyt },
{ mxl, myt, 0.5f, 1.f, tmxl, tmyt },
{ -0.5f, myt, 0.5f, 1.f, 0.f, tmyt },
{ -0.5f, top, 0.5f, 1.f, 0.f, 0.f },
// Middle (blended) area
{ mxl, myt, 0.5f, 1.f, tmxl, tmyt }, // 24
{ mxr, myt, 0.5f, 1.f, tmxr, tmyt },
{ mxr, myb, 0.5f, 1.f, tmxr, tmyb },
{ mxl, myb, 0.5f, 1.f, tmxl, tmyb }
};
if (SUCCEEDED(VertexBuffer->Lock(0, sizeof(verts), &pverts, 0)))
{
memcpy (pverts, verts, sizeof(verts));
VertexBuffer->Unlock();
return true;
}
return true;
return false;
}
int D3DFB::GetPageCount ()
@ -806,7 +898,25 @@ bool D3DFB::PaintToWindow ()
D3DDevice->SetFVF (D3DFVF_FBVERTEX);
D3DDevice->SetPixelShader (PalTexShader);
D3DDevice->SetPixelShaderConstantF (0, FlashConstants[0], 2);
D3DDevice->DrawPrimitive (D3DPT_TRIANGLEFAN, 0, 2);
if (!UseBlendingRect || FlashConstants[1][0] == 1)
{ // The whole screen as a single quad.
D3DDevice->DrawPrimitive (D3DPT_TRIANGLEFAN, 0, 2);
}
else
{ // The screen split up so that only the 3D view is blended.
D3DDevice->DrawPrimitive (D3DPT_TRIANGLEFAN, 24, 2); // middle
// The rest is drawn unblended, so reset the shader constant.
static const float FlashZero[2][4] =
{ { 0, 0, 0, 0 },
{ 1, 1, 1, 0 } };
D3DDevice->SetPixelShaderConstantF (0, FlashZero[0], 2);
D3DDevice->DrawPrimitive (D3DPT_TRIANGLEFAN, 4, 2); // left
D3DDevice->DrawPrimitive (D3DPT_TRIANGLEFAN, 8, 2); // right
D3DDevice->DrawPrimitive (D3DPT_TRIANGLEFAN, 12, 4); // bottom
D3DDevice->DrawPrimitive (D3DPT_TRIANGLEFAN, 18, 4); // top
}
D3DDevice->EndScene();
return SUCCEEDED(D3DDevice->Present(NULL, NULL, NULL, NULL));
}
@ -934,3 +1044,24 @@ void D3DFB::Blank ()
{
// Only used by movie player, which isn't working with D3D9 yet.
}
void D3DFB::SetBlendingRect(int x1, int y1, int x2, int y2)
{
if (BlendingRect.left != x1 ||
BlendingRect.top != y1 ||
BlendingRect.right != x2 ||
BlendingRect.bottom != y2)
{
BlendingRect.left = x1;
BlendingRect.top = y1;
BlendingRect.right = x2;
BlendingRect.bottom = y2;
if (UploadVertices())
{
UseBlendingRect = ((x1 > 0 || x2 < FBWidth || y1 > 0 || y2 < FBHeight)
&& BlendingRect.left < BlendingRect.right
&& BlendingRect.top < BlendingRect.bottom);
}
}
}