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Don't resize render target to handle out-of-bounds viewports. Instead, adjust the projection matrix.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7538 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Nolan Check
2011-05-12 02:14:45 +00:00
parent 8cb2443c2f
commit 8024783502
16 changed files with 229 additions and 261 deletions
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16
Source/Core/VideoCommon/Src/VertexShaderManager.cpp
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@ -43,12 +43,13 @@ static int nNormalMatricesChanged[2]; // min,max
static int nPostTransformMatricesChanged[2]; // min,max
static int nLightsChanged[2]; // min,max
static Matrix44 s_viewportCorrection;
static Matrix33 s_viewRotationMatrix;
static Matrix33 s_viewInvRotationMatrix;
static float s_fViewTranslationVector[3];
static float s_fViewRotation[2];
void UpdateViewport();
void UpdateViewport(Matrix44& vpCorrection);
inline void SetVSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4)
{
@ -301,7 +302,8 @@ void VertexShaderManager::SetConstants()
bViewportChanged = false;
SetVSConstant4f(C_DEPTHPARAMS,xfregs.viewport.farZ / 16777216.0f,xfregs.viewport.zRange / 16777216.0f,0.0f,0.0f);
// This is so implementation-dependent that we can't have it here.
UpdateViewport();
UpdateViewport(s_viewportCorrection);
bProjectionChanged = true;
}
if (bProjectionChanged)
@ -421,12 +423,18 @@ void VertexShaderManager::SetConstants()
Matrix44::Multiply(mtxB, mtxA, viewMtx); // view = rotation x translation
Matrix44::Set(mtxB, g_fProjectionMatrix);
Matrix44::Multiply(mtxB, viewMtx, mtxA); // mtxA = projection x view
Matrix44::Multiply(s_viewportCorrection, mtxA, mtxB); // mtxB = viewportCorrection x mtxA
SetMultiVSConstant4fv(C_PROJECTION, 4, &mtxA.data[0]);
SetMultiVSConstant4fv(C_PROJECTION, 4, mtxB.data);
}
else
{
SetMultiVSConstant4fv(C_PROJECTION, 4, &g_fProjectionMatrix[0]);
Matrix44 projMtx;
Matrix44::Set(projMtx, g_fProjectionMatrix);
Matrix44 correctedMtx;
Matrix44::Multiply(s_viewportCorrection, projMtx, correctedMtx);
SetMultiVSConstant4fv(C_PROJECTION, 4, correctedMtx.data);
}
}
}