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Vertex Shading / Projection Matrix done right (D3D)

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2343 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
XTra.KrazzY
2009-02-21 17:17:24 +00:00
parent 0c13bf4761
commit ca47268669
3 changed files with 34 additions and 33 deletions
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56
Source/Plugins/Plugin_VideoDX9/Src/Render.cpp
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@ -337,48 +337,50 @@ void Renderer::SetScissorBox(RECT &rc)
void Renderer::SetProjection(float* pMatrix, int constantIndex)
{
D3DXMATRIX mtx;
if (pMatrix[6] == 0)
if (pMatrix[6] == 0) // Model View
{
mtx.m[0][0] = pMatrix[0];
mtx.m[1][0] = 0.0f;
mtx.m[2][0] = pMatrix[1];
mtx.m[3][0] = -0.5f/m_width;
mtx.m[0][1] = 0.0f;
mtx.m[0][2] = pMatrix[1];
mtx.m[0][3] = 0; // -0.5f/m_height; <-- fix d3d pixel center?
mtx.m[1][0] = 0.0f;
mtx.m[1][1] = pMatrix[2];
mtx.m[2][1] = pMatrix[3];
mtx.m[3][1] = +0.5f/m_height;
mtx.m[1][2] = pMatrix[3];
mtx.m[1][3] = 0; // +0.5f/m_height; <-- fix d3d pixel center?
mtx.m[0][2] = 0.0f;
mtx.m[1][2] = 0.0f;
mtx.m[2][2] = -(1-pMatrix[4]);
mtx.m[3][2] = pMatrix[5];
mtx.m[2][0] = 0.0f;
mtx.m[2][1] = 0.0f;
mtx.m[2][2] = -(1.0f - pMatrix[4]);
mtx.m[2][3] = pMatrix[5]; // Problematic in OGL
mtx.m[0][3] = 0.0f;
mtx.m[1][3] = 0.0f;
mtx.m[2][3] = -1.0f;
mtx.m[3][0] = 0.0f;
mtx.m[3][1] = 0.0f;
// donkopunchstania: GC GPU rounds differently?
// -(1 + epsilon) so objects are clipped as they are on the real HW
mtx.m[3][2] = -1.00000011921f;
mtx.m[3][3] = 0.0f;
}
else
else // Orthogonal
{
mtx.m[0][0] = pMatrix[0];
mtx.m[1][0] = 0.0f;
mtx.m[2][0] = 0.0f;
mtx.m[3][0] = pMatrix[1]-0.5f/m_width; // fix d3d pixel center
mtx.m[0][1] = 0.0f;
mtx.m[1][1] = pMatrix[2];
mtx.m[2][1] = 0.0f;
mtx.m[3][1] = pMatrix[3]+0.5f/m_height; // fix d3d pixel center
mtx.m[0][2] = 0.0f;
mtx.m[0][3] = pMatrix[1]; // -0.5f/m_width; <-- fix d3d pixel center?
mtx.m[1][0] = 0.0f;
mtx.m[1][1] = pMatrix[2];
mtx.m[1][2] = 0.0f;
mtx.m[1][3] = pMatrix[3]; // +0.5f/m_height; <-- fix d3d pixel center?
mtx.m[2][0] = 0.0f;
mtx.m[2][1] = 0.0f;
mtx.m[2][2] = pMatrix[4];
mtx.m[3][2] = -(-1 - pMatrix[5]);
mtx.m[2][3] = -(-1.0f - pMatrix[5]);
mtx.m[0][3] = 0;
mtx.m[1][3] = 0;
mtx.m[2][3] = 0.0f;
mtx.m[3][0] = 0;
mtx.m[3][1] = 0;
mtx.m[3][2] = 0.0f;
mtx.m[3][3] = 1.0f;
}
D3D::dev->SetVertexShaderConstantF(constantIndex, mtx, 4);