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fixed smaa stencil interleaving

master
Lee Salzman 2013-02-19 21:37:25 +02:00
parent 4b82d3bb59
commit 02bb8da93c
1 changed files with 78 additions and 69 deletions
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147
src/engine/aa.cpp
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@ -599,6 +599,7 @@ VARFP(smaacoloredge, 0, 0, 1, cleanupsmaa());
VARFP(smaagreenluma, 0, 0, 1, cleanupsmaa());
VARF(smaadepthmask, 0, 1, 1, cleanupsmaa());
VARF(smaastencil, 0, 1, 1, cleanupsmaa());
VARF(smaainterleave, 0, 2, 2, cleanupsmaa());
VAR(debugsmaa, 0, 0, 5);
void viewsmaa()
@ -629,90 +630,98 @@ void dosmaa(GLuint outfbo = 0, bool split = false)
if(tqaa) packtqaa();
int cleardepth = msaasamples ? GL_DEPTH_BUFFER_BIT | ((gdepthstencil && hasDS) || gstencil ? GL_STENCIL_BUFFER_BIT : 0) : 0;
if(smaadepthmask)
bool hasstencil = (gdepthstencil && hasDS) || gstencil;
int cleardepth = msaasamples ? GL_DEPTH_BUFFER_BIT | (hasstencil ? GL_STENCIL_BUFFER_BIT : 0) : 0,
stencilpasses = split && (!smaainterleave || (!smaadepthmask && smaastencil && hasstencil && smaainterleave < 2)) ? 2 : 1,
numpasses = split && stencilpasses <= 1 ? 2 : 1;
loop(stencilpass, stencilpasses)
{
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_ALWAYS);
}
else if(smaastencil && ((gdepthstencil && hasDS) || gstencil))
{
glEnable(GL_STENCIL_TEST);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
}
if(smaacoloredge) smaacoloredgeshader->set();
else smaalumaedgeshader->set();
loop(pass, split ? 2 : 1)
{
glBindFramebuffer_(GL_FRAMEBUFFER_EXT, smaafbo[1 + 2*pass]);
if(smaadepthmask || smaastencil)
{
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | (!pass ? cleardepth : 0));
}
if(smaadepthmask)
{
float depthval = cleardepth ? 0.25f*(pass+1) : 1;
glDepthRange(depthval, depthval);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_ALWAYS);
}
else if(smaastencil && ((gdepthstencil && hasDS) || gstencil))
else if(smaastencil && hasstencil)
{
glStencilFunc(GL_ALWAYS, 0x10*(pass+1), ~0);
glEnable(GL_STENCIL_TEST);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
}
if(smaacoloredge) smaacoloredgeshader->set();
else smaalumaedgeshader->set();
for(int pass = stencilpass; pass < stencilpass + numpasses; pass++)
{
glBindFramebuffer_(GL_FRAMEBUFFER_EXT, smaafbo[1 + 2*pass]);
if(smaadepthmask || smaastencil)
{
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | (!pass ? cleardepth : 0));
}
if(smaadepthmask)
{
float depthval = cleardepth ? 0.25f*(pass+1) : 1;
glDepthRange(depthval, depthval);
}
else if(smaastencil && hasstencil)
{
glStencilFunc(GL_ALWAYS, 0x10*(pass+1), ~0);
if(numpasses >= 2 && pass) glStencilMask(0x10*(pass+1));
}
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, smaatex[pass ? 5 : 0]);
screenquad(vieww, viewh);
}
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, smaatex[pass ? 5 : 0]);
screenquad(vieww, viewh);
}
if(smaadepthmask)
{
glDepthFunc(GL_EQUAL);
glDepthMask(GL_FALSE);
}
else if(smaastencil && ((gdepthstencil && hasDS) || gstencil))
{
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
}
smaablendweightshader->set();
loop(pass, split ? 2 : 1)
{
glBindFramebuffer_(GL_FRAMEBUFFER_EXT, smaafbo[2 + 2*pass]);
if(smaadepthmask)
{
float depthval = cleardepth ? 0.25f*(pass+1) : 1;
glDepthRange(depthval, depthval);
glDepthFunc(GL_EQUAL);
glDepthMask(GL_FALSE);
}
else if(smaastencil && ((gdepthstencil && hasDS) || gstencil))
else if(smaastencil && hasstencil)
{
glStencilFunc(GL_EQUAL, 0x10*(pass+1), ~0);
if(numpasses >= 2) glStencilMask(~0);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
}
if(smaadepthmask || smaastencil) glClear(GL_COLOR_BUFFER_BIT);
vec4 subsamples(0, 0, 0, 0);
if(tqaa && split) subsamples = tqaaframe&1 ? (pass != smaasubsampleorder ? vec4(6, 4, 2, 4) : vec4(3, 5, 1, 4)) : (pass != smaasubsampleorder ? vec4(4, 6, 2, 3) : vec4(5, 3, 1, 3));
else if(tqaa) subsamples = tqaaframe&1 ? vec4(2, 2, 2, 0) : vec4(1, 1, 1, 0);
else if(split) subsamples = pass != smaasubsampleorder ? vec4(2, 2, 2, 0) : vec4(1, 1, 1, 0);
LOCALPARAM(subsamples, (subsamples));
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, smaatex[1 + 2*pass]);
glActiveTexture_(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, smaaareatex);
glActiveTexture_(GL_TEXTURE2_ARB);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, smaasearchtex);
if(tqaa && tqaamovemask)
smaablendweightshader->set();
for(int pass = stencilpass; pass < stencilpass + numpasses; pass++)
{
glActiveTexture_(GL_TEXTURE3_ARB);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tqaamasktex);
}
glActiveTexture_(GL_TEXTURE0_ARB);
screenquadoffset(0, 0, vieww, viewh, -0.5f/(1<<tqaamovemaskreduce), -0.5f/(1<<tqaamovemaskreduce), vieww>>tqaamovemaskreduce, viewh>>tqaamovemaskreduce);
}
glBindFramebuffer_(GL_FRAMEBUFFER_EXT, smaafbo[2 + 2*pass]);
if(smaadepthmask)
{
float depthval = cleardepth ? 0.25f*(pass+1) : 1;
glDepthRange(depthval, depthval);
}
else if(smaastencil && hasstencil)
{
glStencilFunc(GL_EQUAL, 0x10*(pass+1), ~0);
}
if(smaadepthmask || smaastencil) glClear(GL_COLOR_BUFFER_BIT);
vec4 subsamples(0, 0, 0, 0);
if(tqaa && split) subsamples = tqaaframe&1 ? (pass != smaasubsampleorder ? vec4(6, 4, 2, 4) : vec4(3, 5, 1, 4)) : (pass != smaasubsampleorder ? vec4(4, 6, 2, 3) : vec4(5, 3, 1, 3));
else if(tqaa) subsamples = tqaaframe&1 ? vec4(2, 2, 2, 0) : vec4(1, 1, 1, 0);
else if(split) subsamples = pass != smaasubsampleorder ? vec4(2, 2, 2, 0) : vec4(1, 1, 1, 0);
LOCALPARAM(subsamples, (subsamples));
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, smaatex[1 + 2*pass]);
glActiveTexture_(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, smaaareatex);
glActiveTexture_(GL_TEXTURE2_ARB);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, smaasearchtex);
if(tqaa && tqaamovemask)
{
glActiveTexture_(GL_TEXTURE3_ARB);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tqaamasktex);
}
glActiveTexture_(GL_TEXTURE0_ARB);
screenquadoffset(0, 0, vieww, viewh, -0.5f/(1<<tqaamovemaskreduce), -0.5f/(1<<tqaamovemaskreduce), vieww>>tqaamovemaskreduce, viewh>>tqaamovemaskreduce);
}
if(smaadepthmask)
{
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glDepthFunc(GL_LESS);
glDepthRange(0, 1);
if(smaadepthmask)
{
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glDepthFunc(GL_LESS);
glDepthRange(0, 1);
}
else if(smaastencil && hasstencil) glDisable(GL_STENCIL_TEST);
}
else if(smaastencil && ((gdepthstencil && hasDS) || gstencil)) glDisable(GL_STENCIL_TEST);
glBindFramebuffer_(GL_FRAMEBUFFER_EXT, tqaa ? tqaafbo[0] : outfbo);
smaaneighborhoodshader->set();