diff options
Diffstat (limited to 'src/mesa/swrast')
| -rw-r--r-- | src/mesa/swrast/s_fragprog.c | 4 | ||||
| -rw-r--r-- | src/mesa/swrast/s_span.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c index 09493873aa2..b1501221cad 100644 --- a/src/mesa/swrast/s_fragprog.c +++ b/src/mesa/swrast/s_fragprog.c @@ -113,6 +113,10 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine, /* Setup pointer to input attributes */ machine->Attribs = span->array->attribs; + machine->DerivX = (GLfloat (*)[4]) span->attrStepX; + machine->DerivY = (GLfloat (*)[4]) span->attrStepY; + machine->NumDeriv = FRAG_ATTRIB_MAX; + if (ctx->Shader.CurrentProgram) { /* Store front/back facing value in register FOGC.Y */ machine->Attribs[FRAG_ATTRIB_FOGC][col][1] = (GLfloat) ctx->_Facing; diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index 0b17791567a..097d2c7b51c 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -1357,7 +1357,11 @@ shade_texture_span(GLcontext *ctx, SWspan *span) if ((inputsRead >= FRAG_BIT_VAR0) && (span->interpMask & SPAN_VARYING)) interpolate_varying(ctx, span); +#if 0 if (inputsRead & FRAG_BIT_WPOS) +#else + /* XXX always interpolate wpos so that DDX/DDY work */ +#endif interpolate_wpos(ctx, span); /* Run fragment program/shader now */ |