fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-25 17:20:10 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

i965: Set correct values for range/precision of fragment shader types

Browse source
This commit is contained in:
Ian Romanick 2011-01-20 12:07:21 -08:00
parent 04dca296e0
commit 3d028024e5
1 changed files with 9 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
src/mesa/drivers/dri/i965/brw_context.c
View file

@ -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