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Synchronize changes from branches/GpuClothAMD to trunk

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Main improvements are: GPU cloth collision detection against a capsule shape
,OpenCL-OpenGL interoperability (keeping data buffers on GPU), and bug fixes
Thanks to Lee Howes
This commit is contained in:
erwin.coumans
2011-02-27 09:07:07 +00:00
parent ec1bd45f4f
commit d52f58edd8
37 changed files with 3267 additions and 2481 deletions
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165
Demos/DX11ClothDemo/cap.h
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@@ -13,6 +13,8 @@ subject to the following restrictions:
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef CAP_H
#define CAP_H
class cap
{
@@ -35,7 +37,7 @@ class cap
void set_collision_object(btCollisionObject* co)
{
collisionObject = co;
collisionObject = co;
}
void set_collision_shape(btCollisionShape* cs)
@@ -56,12 +58,20 @@ class cap
void destroy()
{
SAFE_RELEASE( g_pIndexBuffer );
SAFE_RELEASE( pVB[0] );
SAFE_RELEASE( texture2D );
SAFE_RELEASE( texture2D_view );
}
void draw(void)
{
if (!collisionObject)
return;
ID3D11DeviceContext* pd3dImmediateContext = DXUTGetD3D11DeviceContext();
D3DXMATRIX mWorldViewProjection;
@@ -113,6 +123,7 @@ class cap
btTransform trans = collisionObject->getWorldTransform();
@@ -204,86 +215,84 @@ class cap
vertex_struct *vertices = new vertex_struct[width*height];
btCapsuleShape* cs = static_cast<btCapsuleShape*>(collisionShape);
float radius = cs->getRadius();
float halfHeight = cs->getHalfHeight();
if (top)
if (cs)
{
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
float X = (x/((float)(width-1)))*3.14159;
float Y = (y/((float)(height-1)))*3.14159;
float z_coord = radius*cos(X)*sin(Y);
float y_coord = radius*sin(X)*sin(Y) + halfHeight;
float x_coord = radius*cos(Y);
vertices[y*width+x].Pos = D3DXVECTOR3(x_coord, y_coord, z_coord);
vertices[y*width+x].Normal = D3DXVECTOR3(x_coord,y_coord-halfHeight,z_coord);
vertices[y*width+x].Texcoord = D3DXVECTOR2(x/( (float)(width-1)), y/((float)(height-1)));
}
}
float radius = cs->getRadius();
float halfHeight = cs->getHalfHeight();
}
else
{
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
float X = (x/((float)(width-1)))*3.14159;
float Y = (y/((float)(height-1)))*3.14159;
float z_coord = radius*cos(X)*sin(Y);
float y_coord = -radius*sin(X)*sin(Y) - halfHeight;
float x_coord = radius*cos(Y);
vertices[y*width+x].Pos = D3DXVECTOR3(x_coord, y_coord, z_coord);
vertices[y*width+x].Normal = D3DXVECTOR3(x_coord,y_coord+halfHeight,z_coord);
vertices[y*width+x].Texcoord = D3DXVECTOR2(x/( (float)(width-1)), y/((float)(height-1)));
}
}
}
D3D11_SUBRESOURCE_DATA InitData;
InitData.pSysMem = vertices;
InitData.SysMemPitch = 0;
InitData.SysMemSlicePitch = 0;
HRESULT hr = g_pd3dDevice->CreateBuffer(&bufferDesc, &InitData, &pVB[0]);
//What is this vertex stride thing all about?
Strides[0] = ( UINT )g_Mesh11.GetVertexStride( 0, 0 );
Offsets[0] = 0;
unsigned int* indices = new unsigned int[width*3*2+2 + height*width*3*2];
for(int y = 0; y < height-1; y++)
{
for(int x = 0; x < width-1; x++)
if (top)
{
indices[x*3*2 + y*width*3*2] = x + y*width;
indices[x*3*2+1 + y*width*3*2] = x+1 + y*width;
indices[x*3*2+2 + y*width*3*2] = x+width + y*width;
indices[x*3*2 + 3 + y*width*3*2] = x + 1 + y*width;
indices[x*3*2 + 4 + y*width*3*2] = x+(width+1) + y*width;
indices[x*3*2 + 5 + y*width*3*2] = x+width + y*width;
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
float X = (x/((float)(width-1)))*3.14159;
float Y = (y/((float)(height-1)))*3.14159;
float z_coord = radius*cos(X)*sin(Y);
float y_coord = radius*sin(X)*sin(Y) + halfHeight;
float x_coord = radius*cos(Y);
vertices[y*width+x].Pos = D3DXVECTOR3(x_coord, y_coord, z_coord);
vertices[y*width+x].Normal = D3DXVECTOR3(x_coord,y_coord-halfHeight,z_coord);
vertices[y*width+x].Texcoord = D3DXVECTOR2(x/( (float)(width-1)), y/((float)(height-1)));
}
}
} else {
for(int y = 0; y < height; y++)
{
for(int x = 0; x < width; x++)
{
float X = (x/((float)(width-1)))*3.14159;
float Y = (y/((float)(height-1)))*3.14159;
float z_coord = radius*cos(X)*sin(Y);
float y_coord = -radius*sin(X)*sin(Y) - halfHeight;
float x_coord = radius*cos(Y);
vertices[y*width+x].Pos = D3DXVECTOR3(x_coord, y_coord, z_coord);
vertices[y*width+x].Normal = D3DXVECTOR3(x_coord,y_coord+halfHeight,z_coord);
vertices[y*width+x].Texcoord = D3DXVECTOR2(x/( (float)(width-1)), y/((float)(height-1)));
}
}
}
D3D11_SUBRESOURCE_DATA InitData;
InitData.pSysMem = vertices;
InitData.SysMemPitch = 0;
InitData.SysMemSlicePitch = 0;
HRESULT hr = g_pd3dDevice->CreateBuffer(&bufferDesc, &InitData, &pVB[0]);
//What is this vertex stride thing all about?
Strides[0] = ( UINT )g_Mesh11.GetVertexStride( 0, 0 );
Offsets[0] = 0;
unsigned int* indices = new unsigned int[width*3*2+2 + height*width*3*2];
for(int y = 0; y < height-1; y++)
{
for(int x = 0; x < width-1; x++)
{
indices[x*3*2 + y*width*3*2] = x + y*width;
indices[x*3*2+1 + y*width*3*2] = x+1 + y*width;
indices[x*3*2+2 + y*width*3*2] = x+width + y*width;
indices[x*3*2 + 3 + y*width*3*2] = x + 1 + y*width;
indices[x*3*2 + 4 + y*width*3*2] = x+(width+1) + y*width;
indices[x*3*2 + 5 + y*width*3*2] = x+width + y*width;
}
}
bufferDesc.ByteWidth = sizeof(unsigned int)*(width*3*2+2 + height*width*3*2);
bufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
InitData.pSysMem = indices;
hr = g_pd3dDevice->CreateBuffer(&bufferDesc, &InitData, &g_pIndexBuffer);
hr = hr;
}
bufferDesc.ByteWidth = sizeof(unsigned int)*(width*3*2+2 + height*width*3*2);
bufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
InitData.pSysMem = indices;
hr = g_pd3dDevice->CreateBuffer(&bufferDesc, &InitData, &g_pIndexBuffer);
hr = hr;
}
};
#endif CAP_H