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_dri.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_dri.c')
| -rw-r--r-- | src/radeon_dri.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/radeon_dri.c b/src/radeon_dri.c index bbc858a..1e0d544 100644 --- a/src/radeon_dri.c +++ b/src/radeon_dri.c @@ -162,14 +162,15 @@ static Bool RADEONInitVisualConfigs(ScreenPtr pScreen) pConfigs[i].doubleBuffer = FALSE; pConfigs[i].stereo = FALSE; pConfigs[i].bufferSize = 16; - pConfigs[i].depthSize = 16; + pConfigs[i].depthSize = info->depthBits; if (stencil) pConfigs[i].stencilSize = 8; else pConfigs[i].stencilSize = 0; pConfigs[i].auxBuffers = 0; pConfigs[i].level = 0; - if (accum || stencil) { + if (accum || + (pConfigs[i].stencilSize && pConfigs[i].depthSize == 16)) { pConfigs[i].visualRating = GLX_SLOW_CONFIG; } else { pConfigs[i].visualRating = GLX_NONE; @@ -245,16 +246,16 @@ static Bool RADEONInitVisualConfigs(ScreenPtr pScreen) pConfigs[i].doubleBuffer = FALSE; pConfigs[i].stereo = FALSE; pConfigs[i].bufferSize = 32; + pConfigs[i].depthSize = info->depthBits; if (stencil) { - pConfigs[i].depthSize = 24; pConfigs[i].stencilSize = 8; } else { - pConfigs[i].depthSize = 24; pConfigs[i].stencilSize = 0; } pConfigs[i].auxBuffers = 0; pConfigs[i].level = 0; - if (accum) { + if (accum || + (pConfigs[i].stencilSize && pConfigs[i].depthSize == 16)) { pConfigs[i].visualRating = GLX_SLOW_CONFIG; } else { pConfigs[i].visualRating = GLX_NONE; @@ -1061,14 +1062,14 @@ static int RADEONDRIKernelInit(RADEONInfoPtr info, ScreenPtr pScreen) drmInfo.usec_timeout = info->CPusecTimeout; drmInfo.fb_bpp = info->CurrentLayout.pixel_code; - drmInfo.depth_bpp = info->CurrentLayout.pixel_code; + drmInfo.depth_bpp = (info->depthBits - 8) * 2; drmInfo.front_offset = info->frontOffset; drmInfo.front_pitch = info->frontPitch * cpp; drmInfo.back_offset = info->backOffset; drmInfo.back_pitch = info->backPitch * cpp; drmInfo.depth_offset = info->depthOffset; - drmInfo.depth_pitch = info->depthPitch * cpp; + drmInfo.depth_pitch = info->depthPitch * drmInfo.depth_bpp / 8; drmInfo.fb_offset = info->fbHandle; drmInfo.mmio_offset = info->registerHandle; |