chacha/glide
1
0
Fork 0
Code Issues Pull Requests Actions Packages Releases Activity

fix for stride width at <=1024 resolutions

Browse Source
This commit is contained in:
alanh
2000-09-14 08:05:44 +00:00
parent f69716c149
commit 3f90077226
1 changed files with 4 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
glide3x/h5/glide3/src/glfb.c
View File

@@ -696,6 +696,7 @@ GR_ENTRY(grLfbLock, FxBool,(GrLock_t type, GrBuffer_t buffer,
#else /* defined(__linux__) */
info->lfbPtr = (void *)gc->lfb_ptr;
#endif /* defined(__linux__) */
#ifndef __linux__
switch (writeMode) {
case GR_LFBWRITEMODE_565_DEPTH:
case GR_LFBWRITEMODE_555_DEPTH:
@@ -703,19 +704,10 @@ GR_ENTRY(grLfbLock, FxBool,(GrLock_t type, GrBuffer_t buffer,
case GR_LFBWRITEMODE_888:
case GR_LFBWRITEMODE_8888:
case GR_LFBWRITEMODE_Z32:
#ifndef __linux__
/*
* Unknown why this is needed for smaller strides,
* and not needed for larger strides.
*/
if (info->strideInBytes < 0x2000) {
info->strideInBytes <<= 1;
}
#else /* defined(__linux__) */
info->strideInBytes <<= 1;
#endif /* defined(__linux__) */
break;
}
#endif /* defined(__linux__) */
}
REG_GROUP_BEGIN(BROADCAST_ID, colBufferAddr, 2, 0x3);
REG_GROUP_SET(hw, colBufferAddr, gc->textureBuffer.addr );
@@ -793,6 +785,7 @@ GR_ENTRY(grLfbLock, FxBool,(GrLock_t type, GrBuffer_t buffer,
info->lfbPtr = (void *)gc->lfb_ptr;
#endif /* defined(__linux__) */
#ifndef __linux__
switch (writeMode) {
case GR_LFBWRITEMODE_565_DEPTH:
case GR_LFBWRITEMODE_555_DEPTH:
@@ -800,19 +793,10 @@ GR_ENTRY(grLfbLock, FxBool,(GrLock_t type, GrBuffer_t buffer,
case GR_LFBWRITEMODE_888:
case GR_LFBWRITEMODE_8888:
case GR_LFBWRITEMODE_Z32:
#ifdef __linux__
/*
* For some reason, when the stride is 0x2000,
* we don't need to shift by one.
*/
if (info->strideInBytes < 0x2000) {
info->strideInBytes <<= 1;
}
#else /* defined(__linux__) */
info->strideInBytes <<= 1;
#endif /* defined(__linux__) */
break;
}
#endif /* defined(__linux__) */
}
}