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Fix OsdCpuEvalLimitKernel

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Correct some vertex buffer descriptor mixups between length & stride

fixes #248
This commit is contained in:
manuelk 2013-12-20 15:40:52 -08:00
parent d41cb5cd1f
commit 1a8b41287e
1 changed files with 5 additions and 5 deletions
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10
opensubdiv/osd/cpuEvalLimitKernel.cpp
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@ -208,7 +208,7 @@ evalBoundary(float u, float v,
*v6 = inOffset + vertexIndices[6]*inDesc.stride,
*v7 = inOffset + vertexIndices[7]*inDesc.stride;
for (int k=0; k<inDesc.stride; ++k) {
for (int k=0; k<inDesc.length; ++k) {
M[0*inDesc.length+k] = 2.0f*v0[k] - v4[k]; // M0 = 2*v0 - v3
M[1*inDesc.length+k] = 2.0f*v1[k] - v5[k]; // M0 = 2*v1 - v4
M[2*inDesc.length+k] = 2.0f*v2[k] - v6[k]; // M1 = 2*v2 - v5
@ -219,7 +219,7 @@ evalBoundary(float u, float v,
for (int j=0; j<4; ++j) {
// swap the missing row of verts with our mirrored ones
float const * in = j==0 ? &M[i*inDesc.stride] :
float const * in = j==0 ? &M[i*inDesc.length] :
inOffset + vertexIndices[i+(j-1)*4]*inDesc.stride;
for (int k=0; k<inDesc.length; ++k) {
@ -311,7 +311,7 @@ evalCorner(float u, float v,
*v7 = inOffset + vertexIndices[7]*inDesc.stride,
*v8 = inOffset + vertexIndices[8]*inDesc.stride;
for (int k=0; k<inDesc.stride; ++k) {
for (int k=0; k<inDesc.length; ++k) {
M[0*length+k] = 2.0f*v0[k] - v3[k]; // M0 = 2*v0 - v3
M[1*length+k] = 2.0f*v1[k] - v4[k]; // M0 = 2*v1 - v4
M[2*length+k] = 2.0f*v2[k] - v5[k]; // M1 = 2*v2 - v5
@ -330,9 +330,9 @@ evalCorner(float u, float v,
float const * in = NULL;
if (j==0) { // (2)
in = &M[i*inDesc.stride];
in = &M[i*inDesc.length];
} else if (i==3) {
in = &M[(j+3)*inDesc.stride];
in = &M[(j+3)*inDesc.length];
} else {
in = inOffset + vertexIndices[i+(j-1)*3]*inDesc.stride;
}