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Better Bezier patch fix

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This commit is contained in:
raven02 2013-09-01 09:07:34 +08:00
parent 42ec8bc3ef
commit df045e418c
1 changed files with 14 additions and 9 deletions
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23
GPU/GLES/Spline.cpp
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@ -20,7 +20,10 @@
// Just to get something on the screen, we'll just not subdivide correctly.
void TransformDrawEngine::DrawBezier(int ucount, int vcount) {
u16 indices[3 * 3 * 6];
if ((ucount - 1) % 3 != 0 || (vcount - 1) % 3 != 0)
ERROR_LOG_REPORT(HLE,"Unsupported bezier parameters ucount=%i, vcount=%i", ucount, vcount);
u16 *indices = new u16[ucount * vcount * 6];
static bool reported = false;
if (!reported) {
@ -31,14 +34,14 @@ void TransformDrawEngine::DrawBezier(int ucount, int vcount) {
// if (gstate.patchprimitive)
// Generate indices for a rectangular mesh.
int c = 0;
for (int y = 0; y < 3; y++) {
for (int x = 0; x < 3; x++) {
indices[c++] = y * 3 + x;
indices[c++] = y * 3 + x + 1;
indices[c++] = (y + 1) * 3 + x + 1;
indices[c++] = (y + 1) * 3 + x + 1;
indices[c++] = (y + 1) * 3 + x;
indices[c++] = y * 3 + x;
for (int y = 0; y < ucount; y++) {
for (int x = 0; x < vcount - 1; x++) {
indices[c++] = y * (vcount - 1)+ x;
indices[c++] = y * (vcount - 1) + x + 1;
indices[c++] = (y + 1) * (vcount - 1) + x + 1;
indices[c++] = (y + 1) * (vcount - 1) + x + 1;
indices[c++] = (y + 1) * (vcount - 1) + x;
indices[c++] = y * (vcount - 1) + x;
}
}
@ -66,6 +69,8 @@ void TransformDrawEngine::DrawBezier(int ucount, int vcount) {
SubmitPrim(Memory::GetPointer(gstate_c.vertexAddr), &indices[0], GE_PRIM_TRIANGLES, c, gstate.vertType, GE_VTYPE_IDX_16BIT, 0);
}
Flush(); // as our vertex storage here is temporary, it will only survive one draw.
delete [] indices;
}