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wined3d: Set the correct pow2Matrix for cube textures when NPOT textures are supported.

This commit is contained in:
Henri Verbeet 2008-10-08 16:44:24 +02:00 committed by Alexandre Julliard
parent 8985b7a755
commit 3b2ac77e12
1 changed files with 14 additions and 8 deletions
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22
dlls/wined3d/device.c
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@ -1077,19 +1077,25 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateCubeTexture(IWineD3DDevice *iface
TRACE("(%p) Create Cube Texture\n", This);
/** Non-power2 support **/
/* Find the nearest pow2 match */
pow2EdgeLength = 1;
while (pow2EdgeLength < EdgeLength) pow2EdgeLength <<= 1;
object->edgeLength = EdgeLength;
/* TODO: support for native non-power 2 */
/* Precalculated scaling for 'faked' non power of two texture coords */
object->baseTexture.pow2Matrix[ 0] = ((float)EdgeLength) / ((float)pow2EdgeLength);
object->baseTexture.pow2Matrix[ 5] = ((float)EdgeLength) / ((float)pow2EdgeLength);
object->baseTexture.pow2Matrix[10] = ((float)EdgeLength) / ((float)pow2EdgeLength);
object->baseTexture.pow2Matrix[15] = 1.0;
if (GL_SUPPORT(ARB_TEXTURE_NON_POWER_OF_TWO)) {
/* Precalculated scaling for 'faked' non power of two texture coords */
object->baseTexture.pow2Matrix[ 0] = 1.0;
object->baseTexture.pow2Matrix[ 5] = 1.0;
object->baseTexture.pow2Matrix[10] = 1.0;
object->baseTexture.pow2Matrix[15] = 1.0;
} else {
/* Precalculated scaling for 'faked' non power of two texture coords */
object->baseTexture.pow2Matrix[ 0] = ((float)EdgeLength) / ((float)pow2EdgeLength);
object->baseTexture.pow2Matrix[ 5] = ((float)EdgeLength) / ((float)pow2EdgeLength);
object->baseTexture.pow2Matrix[10] = ((float)EdgeLength) / ((float)pow2EdgeLength);
object->baseTexture.pow2Matrix[15] = 1.0;
}
if(glDesc->Flags & WINED3DFMT_FLAG_FILTERING) {
object->baseTexture.minMipLookup = &minMipLookup;