diff options
| author | Ian Romanick <[email protected]> | 2011-01-20 12:07:21 -0800 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2011-01-20 13:35:59 -0800 |
| commit | 3d028024e581b05f71f0be915657c2c105885de6 (patch) | |
| tree | ef2cdc8814f7ba32c860827fa1c6f4021fab886a /src | |
| parent | 04dca296e0a5e5ffbb8acb699e013a23ebd7b645 (diff) | |
i965: Set correct values for range/precision of fragment shader types
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c index 8fc322fd82e..d3b61abe896 100644 --- a/src/mesa/drivers/dri/i965/brw_context.c +++ b/src/mesa/drivers/dri/i965/brw_context.c @@ -151,6 +151,15 @@ GLboolean brwCreateContext( int api, MIN2(ctx->Const.FragmentProgram.MaxNativeParameters, ctx->Const.FragmentProgram.MaxEnvParams); + /* Fragment shaders use real, 32-bit twos-complement integers for all + * integer types. + */ + ctx->FragmentProgram.LowInt.RangeMin = 31; + ctx->FragmentProgram.LowInt.RangeMax = 30; + ctx->FragmentProgram.LowInt.Precision = 0; + ctx->FragmentProgram.HighInt = ctx->FragmentProgram.MediumInt + = ctx->FragmentProgram.LowInt; + /* Gen6 converts quads to polygon in beginning of 3D pipeline, but we're not sure how it's actually done for vertex order, that affect provoking vertex decision. Always use last vertex |