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authorNolan Check <Nolan.Check@gmail.com>2011-05-12 02:14:45 +0000
committerNolan Check <Nolan.Check@gmail.com>2011-05-12 02:14:45 +0000
commit80247835020092c598fcee519f77e7d581b4d146 (patch)
treec147fd97251c19f401fddda32900974a3fdbf407 /Source/Core/VideoCommon/Src/VertexShaderManager.cpp
parent8cb2443c2fe22196c26d6e15608273dbc9e6551f (diff)
Don't resize render target to handle out-of-bounds viewports. Instead, adjust the projection matrix.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7538 8ced0084-cf51-0410-be5f-012b33b47a6e
Diffstat (limited to 'Source/Core/VideoCommon/Src/VertexShaderManager.cpp')
-rw-r--r--Source/Core/VideoCommon/Src/VertexShaderManager.cpp16
1 files changed, 12 insertions, 4 deletions
diff --git a/Source/Core/VideoCommon/Src/VertexShaderManager.cpp b/Source/Core/VideoCommon/Src/VertexShaderManager.cpp
index 49b1f50ff9..a18829fde2 100644
--- a/Source/Core/VideoCommon/Src/VertexShaderManager.cpp
+++ b/Source/Core/VideoCommon/Src/VertexShaderManager.cpp
@@ -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);
}
}
}