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Commit 9abdac6a authored by Stefan Dösinger's avatar Stefan Dösinger Committed by Alexandre Julliard
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wined3d: Implement IWineD3DDevice::ProcessVertices.

parent a9886585
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Showing with 331 additions and 39 deletions
dlls/wined3d/device.c
View file @ 9abdac6a
......@@ -2250,42 +2250,7 @@ HRESULT WINAPI IWineD3DDeviceImpl_MultiplyTransform(IWineD3DDevice *iface, D3DTR
FIXME("Unhandled transform state!!\n");
}
/* Copied from ddraw code: */
temp.u.s._11 = (mat->u.s._11 * pMatrix->u.s._11) + (mat->u.s._21 * pMatrix->u.s._12) +
(mat->u.s._31 * pMatrix->u.s._13) + (mat->u.s._41 * pMatrix->u.s._14);
temp.u.s._21 = (mat->u.s._11 * pMatrix->u.s._21) + (mat->u.s._21 * pMatrix->u.s._22) +
(mat->u.s._31 * pMatrix->u.s._23) + (mat->u.s._41 * pMatrix->u.s._24);
temp.u.s._31 = (mat->u.s._11 * pMatrix->u.s._31) + (mat->u.s._21 * pMatrix->u.s._32) +
(mat->u.s._31 * pMatrix->u.s._33) + (mat->u.s._41 * pMatrix->u.s._34);
temp.u.s._41 = (mat->u.s._11 * pMatrix->u.s._41) + (mat->u.s._21 * pMatrix->u.s._42) +
(mat->u.s._31 * pMatrix->u.s._43) + (mat->u.s._41 * pMatrix->u.s._44);
temp.u.s._12 = (mat->u.s._12 * pMatrix->u.s._11) + (mat->u.s._22 * pMatrix->u.s._12) +
(mat->u.s._32 * pMatrix->u.s._13) + (mat->u.s._42 * pMatrix->u.s._14);
temp.u.s._22 = (mat->u.s._12 * pMatrix->u.s._21) + (mat->u.s._22 * pMatrix->u.s._22) +
(mat->u.s._32 * pMatrix->u.s._23) + (mat->u.s._42 * pMatrix->u.s._24);
temp.u.s._32 = (mat->u.s._12 * pMatrix->u.s._31) + (mat->u.s._22 * pMatrix->u.s._32) +
(mat->u.s._32 * pMatrix->u.s._33) + (mat->u.s._42 * pMatrix->u.s._34);
temp.u.s._42 = (mat->u.s._12 * pMatrix->u.s._41) + (mat->u.s._22 * pMatrix->u.s._42) +
(mat->u.s._32 * pMatrix->u.s._43) + (mat->u.s._42 * pMatrix->u.s._44);
temp.u.s._13 = (mat->u.s._13 * pMatrix->u.s._11) + (mat->u.s._23 * pMatrix->u.s._12) +
(mat->u.s._33 * pMatrix->u.s._13) + (mat->u.s._43 * pMatrix->u.s._14);
temp.u.s._23 = (mat->u.s._13 * pMatrix->u.s._21) + (mat->u.s._23 * pMatrix->u.s._22) +
(mat->u.s._33 * pMatrix->u.s._23) + (mat->u.s._43 * pMatrix->u.s._24);
temp.u.s._33 = (mat->u.s._13 * pMatrix->u.s._31) + (mat->u.s._23 * pMatrix->u.s._32) +
(mat->u.s._33 * pMatrix->u.s._33) + (mat->u.s._43 * pMatrix->u.s._34);
temp.u.s._43 = (mat->u.s._13 * pMatrix->u.s._41) + (mat->u.s._23 * pMatrix->u.s._42) +
(mat->u.s._33 * pMatrix->u.s._43) + (mat->u.s._43 * pMatrix->u.s._44);
temp.u.s._14 = (mat->u.s._14 * pMatrix->u.s._11) + (mat->u.s._24 * pMatrix->u.s._12) +
(mat->u.s._34 * pMatrix->u.s._13) + (mat->u.s._44 * pMatrix->u.s._14);
temp.u.s._24 = (mat->u.s._14 * pMatrix->u.s._21) + (mat->u.s._24 * pMatrix->u.s._22) +
(mat->u.s._34 * pMatrix->u.s._23) + (mat->u.s._44 * pMatrix->u.s._24);
temp.u.s._34 = (mat->u.s._14 * pMatrix->u.s._31) + (mat->u.s._24 * pMatrix->u.s._32) +
(mat->u.s._34 * pMatrix->u.s._33) + (mat->u.s._44 * pMatrix->u.s._34);
temp.u.s._44 = (mat->u.s._14 * pMatrix->u.s._41) + (mat->u.s._24 * pMatrix->u.s._42) +
(mat->u.s._34 * pMatrix->u.s._43) + (mat->u.s._44 * pMatrix->u.s._44);
multiply_matrix(&temp, mat, (D3DMATRIX *) pMatrix);
/* Apply change via set transform - will reapply to eg. lights this way */
return IWineD3DDeviceImpl_SetTransform(iface, State, &temp);
......@@ -4631,10 +4596,276 @@ HRESULT WINAPI IWineD3DDeviceImpl_SetPixelShaderConstantN(IWineD3DDevice *iface,
0);
}
#define copy_and_next(dest, src, size) memcpy(dest, src, size); dest += (size)
static HRESULT
process_vertices_strided(IWineD3DDeviceImpl *This, DWORD dwDestIndex, DWORD dwCount, WineDirect3DVertexStridedData *lpStrideData, DWORD SrcFVF, IWineD3DVertexBufferImpl *dest, DWORD dwFlags) {
char *dest_ptr;
unsigned int i;
DWORD DestFVF = dest->fvf;
D3DVIEWPORT9 vp;
D3DMATRIX mat, proj_mat, view_mat, world_mat;
BOOL doClip;
int numTextures;
if (SrcFVF & D3DFVF_NORMAL) {
WARN(" lighting state not saved yet... Some strange stuff may happen !\n");
}
if ( (SrcFVF & D3DFVF_POSITION_MASK) != D3DFVF_XYZ) {
ERR("Source has no position mask\n");
return WINED3DERR_INVALIDCALL;
}
if (dest->resource.allocatedMemory == NULL) {
ERR("Destination buffer has no memory allocated\n");
return WINED3DERR_INVALIDCALL;
}
/* Should I clip?
* a) D3DRS_CLIPPING is enabled
* b) WINED3DVOP_CLIP is passed
*/
if(This->stateBlock->renderState[WINED3DRS_CLIPPING] == TRUE) {
static BOOL warned = FALSE;
/*
* The clipping code is not quite correct. Some things need
* to be checked against IDirect3DDevice3 (!), d3d8 and d3d9,
* so disable clipping for now.
* (The graphics in Half-Life are broken, and my processvertices
* test crashes with IDirect3DDevice3)
doClip = TRUE;
*/
doClip = FALSE;
if(!warned) {
warned = TRUE;
FIXME("Clipping is broken and disabled for now\n");
}
} else doClip = FALSE;
dest_ptr = ((char *) dest->resource.allocatedMemory) + dwDestIndex * get_flexible_vertex_size(DestFVF);
IWineD3DDevice_GetTransform( (IWineD3DDevice *) This,
D3DTS_VIEW,
&view_mat);
IWineD3DDevice_GetTransform( (IWineD3DDevice *) This,
D3DTS_PROJECTION,
&proj_mat);
IWineD3DDevice_GetTransform( (IWineD3DDevice *) This,
D3DTS_WORLDMATRIX(0),
&world_mat);
TRACE("View mat: \n");
TRACE("%f %f %f %f\n", view_mat.u.s._11, view_mat.u.s._12, view_mat.u.s._13, view_mat.u.s._14); \
TRACE("%f %f %f %f\n", view_mat.u.s._21, view_mat.u.s._22, view_mat.u.s._23, view_mat.u.s._24); \
TRACE("%f %f %f %f\n", view_mat.u.s._31, view_mat.u.s._32, view_mat.u.s._33, view_mat.u.s._34); \
TRACE("%f %f %f %f\n", view_mat.u.s._41, view_mat.u.s._42, view_mat.u.s._43, view_mat.u.s._44); \
TRACE("Proj mat: \n");
TRACE("%f %f %f %f\n", proj_mat.u.s._11, proj_mat.u.s._12, proj_mat.u.s._13, proj_mat.u.s._14); \
TRACE("%f %f %f %f\n", proj_mat.u.s._21, proj_mat.u.s._22, proj_mat.u.s._23, proj_mat.u.s._24); \
TRACE("%f %f %f %f\n", proj_mat.u.s._31, proj_mat.u.s._32, proj_mat.u.s._33, proj_mat.u.s._34); \
TRACE("%f %f %f %f\n", proj_mat.u.s._41, proj_mat.u.s._42, proj_mat.u.s._43, proj_mat.u.s._44); \
TRACE("World mat: \n");
TRACE("%f %f %f %f\n", world_mat.u.s._11, world_mat.u.s._12, world_mat.u.s._13, world_mat.u.s._14); \
TRACE("%f %f %f %f\n", world_mat.u.s._21, world_mat.u.s._22, world_mat.u.s._23, world_mat.u.s._24); \
TRACE("%f %f %f %f\n", world_mat.u.s._31, world_mat.u.s._32, world_mat.u.s._33, world_mat.u.s._34); \
TRACE("%f %f %f %f\n", world_mat.u.s._41, world_mat.u.s._42, world_mat.u.s._43, world_mat.u.s._44); \
/* Get the viewport */
IWineD3DDevice_GetViewport( (IWineD3DDevice *) This, &vp);
TRACE("Viewport: X=%ld, Y=%ld, Width=%ld, Height=%ld, MinZ=%f, MaxZ=%f\n",
vp.X, vp.Y, vp.Width, vp.Height, vp.MinZ, vp.MaxZ);
multiply_matrix(&mat,&view_mat,&world_mat);
multiply_matrix(&mat,&proj_mat,&mat);
numTextures = (DestFVF & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
for (i = 0; i < dwCount; i+= 1) {
unsigned int tex_index;
if ( ((DestFVF & D3DFVF_POSITION_MASK) == D3DFVF_XYZ ) ||
((DestFVF & D3DFVF_POSITION_MASK) == D3DFVF_XYZRHW ) ) {
/* The position first */
float *p =
(float *) (((char *) lpStrideData->u.s.position.lpData) + i * lpStrideData->u.s.position.dwStride);
float x, y, z, rhw;
TRACE("In: ( %06.2f %06.2f %06.2f )\n", p[0], p[1], p[2]);
/* Multiplication with world, view and projection matrix */
x = (p[0] * mat.u.s._11) + (p[1] * mat.u.s._21) + (p[2] * mat.u.s._31) + (1.0 * mat.u.s._41);
y = (p[0] * mat.u.s._12) + (p[1] * mat.u.s._22) + (p[2] * mat.u.s._32) + (1.0 * mat.u.s._42);
z = (p[0] * mat.u.s._13) + (p[1] * mat.u.s._23) + (p[2] * mat.u.s._33) + (1.0 * mat.u.s._43);
rhw = (p[0] * mat.u.s._14) + (p[1] * mat.u.s._24) + (p[2] * mat.u.s._34) + (1.0 * mat.u.s._44);
TRACE("x=%f y=%f z=%f rhw=%f\n", x, y, z, rhw);
/* WARNING: The following things are taken from d3d7 and were not yet checked
* against d3d8 or d3d9!
*/
/* Clipping conditions: From
* http://msdn.microsoft.com/archive/default.asp?url=/archive/en-us/directx9_c/directx/graphics/programmingguide/fixedfunction/viewportsclipping/clippingvolumes.asp
*
* A vertex is clipped if it does not match the following requirements
* -rhw < x <= rhw
* -rhw < y <= rhw
* 0 < z <= rhw
* 0 < rhw ( Not in d3d7, but tested in d3d7)
*
* If clipping is on is determined by the D3DVOP_CLIP flag in D3D7, and
* by the D3DRS_CLIPPING in D3D9(according to the msdn, not checked)
*
*/
if( doClip == FALSE ||
( (-rhw -eps < x) && (-rhw -eps < y) && ( -eps < z) &&
(x <= rhw + eps) && (y <= rhw + eps ) && (z <= rhw + eps) &&
( rhw > eps ) ) ) {
/* "Normal" viewport transformation (not clipped)
* 1) The values are divided trough rhw
* 2) The y axis is negative, so multiply it with -1
* 3) Screen coordinates go from -(Width/2) to +(Width/2) and
* -(Height/2) to +(Height/2). The z range is MinZ to MaxZ
* 4) Multiply x with Width/2 and add Width/2
* 5) The same for the height
* 6) Add the viewpoint X and Y to the 2D coordinates and
* The minimum Z value to z
* 7) rhw = 1 / rhw Reciprocal of Homogeneous W....
*
* Well, basically it's simply a linear transformation into viewport
* coordinates
*/
x /= rhw;
y /= rhw;
z /= rhw;
y *= -1;
x *= vp.Width / 2;
y *= vp.Height / 2;
z *= vp.MaxZ - vp.MinZ;
x += vp.Width / 2 + vp.X;
y += vp.Height / 2 + vp.Y;
z += vp.MinZ;
rhw = 1 / rhw;
} else {
/* That vertex got clipped
* Contrary to OpenGL it is not dropped completely, it just
* undergoes a different calculation.
*/
TRACE("Vertex got clipped\n");
x += rhw;
y += rhw;
x /= 2;
y /= 2;
/* Msdn mentiones that Direct3D9 keeps a list of clipped vertices
* outside of the main vertex buffer memory. That needs some more
* investigation...
*/
}
TRACE("Writing (%f %f %f) %f\n", x, y, z, rhw);
( (float *) dest_ptr)[0] = x;
( (float *) dest_ptr)[1] = y;
( (float *) dest_ptr)[2] = z;
( (float *) dest_ptr)[3] = rhw; /* SIC, see ddraw test! */
dest_ptr += 3 * sizeof(float);
if((DestFVF & D3DFVF_POSITION_MASK) == D3DFVF_XYZRHW) {
dest_ptr += sizeof(float);
}
}
if (DestFVF & D3DFVF_PSIZE) {
dest_ptr += sizeof(DWORD);
}
if (DestFVF & D3DFVF_NORMAL) {
float *normal =
(float *) (((float *) lpStrideData->u.s.normal.lpData) + i * lpStrideData->u.s.normal.dwStride);
/* AFAIK this should go into the lighting information */
FIXME("Didn't expect the destination to have a normal\n");
copy_and_next(dest_ptr, normal, 3 * sizeof(float));
}
if (DestFVF & D3DFVF_DIFFUSE) {
DWORD *color_d =
(DWORD *) (((char *) lpStrideData->u.s.diffuse.lpData) + i * lpStrideData->u.s.diffuse.dwStride);
if(!color_d) {
static BOOL warned = FALSE;
if(warned == FALSE) {
ERR("No diffuse color in source, but destination has one\n");
warned = TRUE;
}
*( (DWORD *) dest_ptr) = 0xffffffff;
dest_ptr += sizeof(DWORD);
}
else
copy_and_next(dest_ptr, color_d, sizeof(DWORD));
}
if (DestFVF & D3DFVF_SPECULAR) {
/* What's the color value in the feedback buffer? */
DWORD *color_s =
(DWORD *) (((char *) lpStrideData->u.s.specular.lpData) + i * lpStrideData->u.s.specular.dwStride);
if(!color_s) {
static BOOL warned = FALSE;
if(warned == FALSE) {
ERR("No specular color in source, but destination has one\n");
warned = TRUE;
}
*( (DWORD *) dest_ptr) = 0xFF000000;
dest_ptr += sizeof(DWORD);
}
else {
copy_and_next(dest_ptr, color_s, sizeof(DWORD));
}
}
for (tex_index = 0; tex_index < numTextures; tex_index++) {
float *tex_coord =
(float *) (((char *) lpStrideData->u.s.texCoords[tex_index].lpData) +
i * lpStrideData->u.s.texCoords[tex_index].dwStride);
if(!tex_coord) {
ERR("No source texture, but destination requests one\n");
dest_ptr+=GET_TEXCOORD_SIZE_FROM_FVF(DestFVF, tex_index) * sizeof(float);
}
else {
copy_and_next(dest_ptr, tex_coord, GET_TEXCOORD_SIZE_FROM_FVF(DestFVF, tex_index) * sizeof(float));
}
}
}
return WINED3D_OK;
}
#undef copy_and_next
HRESULT WINAPI IWineD3DDeviceImpl_ProcessVertices(IWineD3DDevice *iface, UINT SrcStartIndex, UINT DestIndex, UINT VertexCount, IWineD3DVertexBuffer* pDestBuffer, IWineD3DVertexBuffer* pVertexDecl, DWORD Flags) {
IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
FIXME("(%p) : stub\n", This);
return WINED3D_OK;
IWineD3DVertexBufferImpl *SrcImpl = (IWineD3DVertexBufferImpl *) pVertexDecl;
WineDirect3DVertexStridedData strided;
HRESULT hr;
TRACE("(%p)->(%d,%d,%d,%p,%p,%ld\n", This, SrcStartIndex, DestIndex, VertexCount, pDestBuffer, pVertexDecl, Flags);
hr = IWineD3DDevice_SetFVF(iface, SrcImpl->fvf);
hr = IWineD3DDevice_SetStreamSource(iface, 0, pVertexDecl, get_flexible_vertex_size(SrcImpl->fvf) * SrcStartIndex, get_flexible_vertex_size(SrcImpl->fvf));
memset(&strided, 0, sizeof(strided));
primitiveConvertToStridedData(iface, &strided, 0);
return process_vertices_strided(This, DestIndex, VertexCount, &strided, SrcImpl->fvf, (IWineD3DVertexBufferImpl *) pDestBuffer, Flags);
}
/*****
......
dlls/wined3d/drawprim.c
View file @ 9abdac6a
......@@ -557,7 +557,7 @@ void primitiveDeclarationConvertToStridedData(IWineD3DDevice *iface, BOOL useVer
}
static void primitiveConvertToStridedData(IWineD3DDevice *iface, WineDirect3DVertexStridedData *strided, LONG BaseVertexIndex) {
void primitiveConvertToStridedData(IWineD3DDevice *iface, WineDirect3DVertexStridedData *strided, LONG BaseVertexIndex) {
short LoopThroughTo = 0;
short nStream;
......
dlls/wined3d/utils.c
View file @ 9abdac6a
......@@ -2242,3 +2242,53 @@ LONG get_bitmask_alpha(WINED3DFORMAT fmt)
}
}
void multiply_matrix(D3DMATRIX *dest, D3DMATRIX *src1, D3DMATRIX *src2) {
D3DMATRIX temp;
/* Now do the multiplication 'by hand'.
I know that all this could be optimised, but this will be done later :-) */
temp.u.s._11 = (src1->u.s._11 * src2->u.s._11) + (src1->u.s._21 * src2->u.s._12) + (src1->u.s._31 * src2->u.s._13) + (src1->u.s._41 * src2->u.s._14);
temp.u.s._21 = (src1->u.s._11 * src2->u.s._21) + (src1->u.s._21 * src2->u.s._22) + (src1->u.s._31 * src2->u.s._23) + (src1->u.s._41 * src2->u.s._24);
temp.u.s._31 = (src1->u.s._11 * src2->u.s._31) + (src1->u.s._21 * src2->u.s._32) + (src1->u.s._31 * src2->u.s._33) + (src1->u.s._41 * src2->u.s._34);
temp.u.s._41 = (src1->u.s._11 * src2->u.s._41) + (src1->u.s._21 * src2->u.s._42) + (src1->u.s._31 * src2->u.s._43) + (src1->u.s._41 * src2->u.s._44);
temp.u.s._12 = (src1->u.s._12 * src2->u.s._11) + (src1->u.s._22 * src2->u.s._12) + (src1->u.s._32 * src2->u.s._13) + (src1->u.s._42 * src2->u.s._14);
temp.u.s._22 = (src1->u.s._12 * src2->u.s._21) + (src1->u.s._22 * src2->u.s._22) + (src1->u.s._32 * src2->u.s._23) + (src1->u.s._42 * src2->u.s._24);
temp.u.s._32 = (src1->u.s._12 * src2->u.s._31) + (src1->u.s._22 * src2->u.s._32) + (src1->u.s._32 * src2->u.s._33) + (src1->u.s._42 * src2->u.s._34);
temp.u.s._42 = (src1->u.s._12 * src2->u.s._41) + (src1->u.s._22 * src2->u.s._42) + (src1->u.s._32 * src2->u.s._43) + (src1->u.s._42 * src2->u.s._44);
temp.u.s._13 = (src1->u.s._13 * src2->u.s._11) + (src1->u.s._23 * src2->u.s._12) + (src1->u.s._33 * src2->u.s._13) + (src1->u.s._43 * src2->u.s._14);
temp.u.s._23 = (src1->u.s._13 * src2->u.s._21) + (src1->u.s._23 * src2->u.s._22) + (src1->u.s._33 * src2->u.s._23) + (src1->u.s._43 * src2->u.s._24);
temp.u.s._33 = (src1->u.s._13 * src2->u.s._31) + (src1->u.s._23 * src2->u.s._32) + (src1->u.s._33 * src2->u.s._33) + (src1->u.s._43 * src2->u.s._34);
temp.u.s._43 = (src1->u.s._13 * src2->u.s._41) + (src1->u.s._23 * src2->u.s._42) + (src1->u.s._33 * src2->u.s._43) + (src1->u.s._43 * src2->u.s._44);
temp.u.s._14 = (src1->u.s._14 * src2->u.s._11) + (src1->u.s._24 * src2->u.s._12) + (src1->u.s._34 * src2->u.s._13) + (src1->u.s._44 * src2->u.s._14);
temp.u.s._24 = (src1->u.s._14 * src2->u.s._21) + (src1->u.s._24 * src2->u.s._22) + (src1->u.s._34 * src2->u.s._23) + (src1->u.s._44 * src2->u.s._24);
temp.u.s._34 = (src1->u.s._14 * src2->u.s._31) + (src1->u.s._24 * src2->u.s._32) + (src1->u.s._34 * src2->u.s._33) + (src1->u.s._44 * src2->u.s._34);
temp.u.s._44 = (src1->u.s._14 * src2->u.s._41) + (src1->u.s._24 * src2->u.s._42) + (src1->u.s._34 * src2->u.s._43) + (src1->u.s._44 * src2->u.s._44);
/* And copy the new matrix in the good storage.. */
memcpy(dest, &temp, 16 * sizeof(float));
}
DWORD get_flexible_vertex_size(DWORD d3dvtVertexType) {
DWORD size = 0;
int i;
int numTextures = (d3dvtVertexType & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
if (d3dvtVertexType & D3DFVF_NORMAL) size += 3 * sizeof(float);
if (d3dvtVertexType & D3DFVF_DIFFUSE) size += sizeof(DWORD);
if (d3dvtVertexType & D3DFVF_SPECULAR) size += sizeof(DWORD);
if (d3dvtVertexType & D3DFVF_PSIZE) size += sizeof(DWORD);
switch (d3dvtVertexType & D3DFVF_POSITION_MASK) {
case D3DFVF_XYZ: size += 3 * sizeof(float); break;
case D3DFVF_XYZRHW: size += 4 * sizeof(float); break;
default: TRACE(" matrix weighting not handled yet...\n");
}
for (i = 0; i < numTextures; i++) {
size += GET_TEXCOORD_SIZE_FROM_FVF(d3dvtVertexType, i) * sizeof(float);
}
return size;
}
dlls/wined3d/wined3d_private.h
View file @ 9abdac6a
......@@ -378,8 +378,17 @@ void drawPrimitive(IWineD3DDevice *iface,
int minIndex,
WineDirect3DVertexStridedData *DrawPrimStrideData);
void primitiveConvertToStridedData(IWineD3DDevice *iface,
WineDirect3DVertexStridedData *strided,
LONG BaseVertexIndex);
DWORD get_flexible_vertex_size(DWORD d3dvtVertexType);
#define eps 1e-8
#define GET_TEXCOORD_SIZE_FROM_FVF(d3dvtVertexType, tex_num) \
(((((d3dvtVertexType) >> (16 + (2 * (tex_num)))) + 1) & 0x03) + 1)
/* Routine to fill gl caps for swapchains and IWineD3D */
BOOL IWineD3DImpl_FillGLCaps(WineD3D_GL_Info *gl_info,
Display* display);
......@@ -1137,6 +1146,8 @@ GLint D3DFmt2GLIntFmt(IWineD3DDeviceImpl* This, D3DFORMAT fmt);
int D3DFmtMakeGlCfg(D3DFORMAT BackBufferFormat, D3DFORMAT StencilBufferFormat, int *attribs, int* nAttribs, BOOL alternate);
/* Math utils */
void multiply_matrix(D3DMATRIX *dest, D3DMATRIX *src1, D3DMATRIX *src2);
/*****************************************************************************
* To enable calling of inherited functions, requires prototypes
......
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