diff options
| author | Michel Dänzer <michel@tungstengraphics.com> | 2006-06-18 14:24:14 +0200 |
|---|---|---|
| committer | Michel Dänzer <michel@tungstengraphics.com> | 2006-06-18 14:24:14 +0200 |
| commit | c8366d7b457565a06acdf6b40c5448c7f13f1641 (patch) | |
| tree | 59283d3c503d2b7388b4f889c4d79d86b70aae9e /src/radeon_exa.c | |
| parent | 23a21d00db6f3b88b54c44648f968018a03677d3 (diff) | |
Add Option "DepthBits".
This allows getting higher depth buffer precision and stencil hardware
acceleration in depth 16 or saving some video RAM at the cost of these features
in depth 24.
Diffstat (limited to 'src/radeon_exa.c')
| -rw-r--r-- | src/radeon_exa.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/radeon_exa.c b/src/radeon_exa.c index 8070da18..0cf86f54 100644 --- a/src/radeon_exa.c +++ b/src/radeon_exa.c @@ -367,6 +367,7 @@ Bool RADEONSetupMemEXA (ScreenPtr pScreen) ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; RADEONInfoPtr info = RADEONPTR(pScrn); int cpp = info->CurrentLayout.pixel_bytes; + int depthCpp = (info->depthBits - 8) / 4; int l; int next, screen_size; int byteStride = pScrn->displayWidth * cpp; @@ -435,7 +436,7 @@ Bool RADEONSetupMemEXA (ScreenPtr pScreen) * handle tiling. */ info->depthPitch = RADEON_ALIGN(pScrn->displayWidth, 32); - depth_size = RADEON_ALIGN(pScrn->virtualY, 16) * info->depthPitch * cpp; + depth_size = RADEON_ALIGN(pScrn->virtualY, 16) * info->depthPitch * depthCpp; next = RADEON_ALIGN(info->exa->offScreenBase, RADEON_BUFFER_ALIGN); if (next + depth_size <= info->exa->memorySize) { |