fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-09 02:28:10 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

swr: [rasterizer core] Add clipping against user clip distances in the NullPS backend.

Browse source
This commit is contained in:
Tim Rowley 2016-03-18 11:48:47 -06:00
parent 700a5b06e0
commit 4893224e28
1 changed files with 12 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/gallium/drivers/swr/rasterizer/core/backend.cpp
View file

@ -1410,9 +1410,11 @@ void BackendNullPS(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t y,
RDTSC_START(BESetup);
static const SWR_MULTISAMPLE_COUNT sampleCount = (SWR_MULTISAMPLE_COUNT)sampleCountT;
SWR_CONTEXT *pContext = pDC->pContext;
const API_STATE& state = GetApiState(pDC);
const BACKEND_FUNCS& backendFuncs = pDC->pState->backendFuncs;
const SWR_RASTSTATE& rastState = pDC->pState->state.rastState;
// broadcast scalars
BarycentricCoeffs coeffs;
@ -1451,7 +1453,8 @@ void BackendNullPS(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t y,
while (_BitScanForward(&sample, sampleMask))
{
sampleMask &= ~(1 << sample);
if (work.coverageMask[sample] & MASK)
simdmask coverageMask = work.coverageMask[sample] & MASK;
if (coverageMask)
{
RDTSC_START(BEBarycentric);
// calculate per sample positions
@ -1465,7 +1468,14 @@ void BackendNullPS(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t y,
RDTSC_STOP(BEBarycentric, 0, 0);
simdscalar vCoverageMask = vMask(work.coverageMask[sample] & MASK);
// interpolate user clip distance if available
if (rastState.clipDistanceMask)
{
coverageMask &= ~ComputeUserClipMask(rastState.clipDistanceMask, work.pUserClipBuffer,
psContext.vI.sample, psContext.vJ.sample);
}
simdscalar vCoverageMask = vMask(coverageMask);
simdscalar stencilPassMask = vCoverageMask;
// offset depth/stencil buffers current sample