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gl4: do a depth-only TR pass in non-autosort mode 

fixes HeadHunter map/radar issue
This commit is contained in:
Flyinghead 2019-07-08 16:30:07 +02:00
parent 10e6b296c5
commit 478b1c719c
1 changed files with 21 additions and 0 deletions
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21
core/rend/gl4/gldraw.cpp
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@ -279,6 +279,11 @@ static void DrawList(const List<PolyParam>& gply, int first, int count, int pass
continue;
}
}
if (pass == 0 && Type == ListType_Translucent && (params->isp.DepthMode != 7 || params->isp.ZWriteDis))
{
params++;
continue;
}
gl4ShaderUniforms.poly_number = params - gply.head();
SetGPState<Type,SortingEnabled>(params, pass);
glDrawElements(GL_TRIANGLE_STRIP, params->count, GL_UNSIGNED_INT, (GLvoid*)(sizeof(u32) * params->first)); glCheck();
@ -578,6 +583,22 @@ void gl4DrawStrips(GLuint output_fbo, int width, int height)
if (!skip_tr)
{
if (!current_pass.autosort)
{
// This pass is for HeadHunter but possibly others as well.
// The map/radar HUD is drawn is a second pass without autosort.
// The first poly drawn uses Always depth func to punch a hole in the depth buffer
// and the subsequent polys draw on top of it with Greater depth func.
// That doesn't work with this renderer because the depth test for transparent polys
// only use the opaque/pt depth, so the first poly is correctly drawn but subsequent polys are discarded.
// To work around this problem, we do a depth only pass with the transparent polys
// that use the Always depth func.
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glcache.Enable(GL_DEPTH_TEST);
glcache.DepthMask(GL_TRUE);
DrawList<ListType_Translucent, false>(pvrrc.global_param_tr, previous_pass.tr_count, current_pass.tr_count - previous_pass.tr_count, 0);
}
//
// PASS 3: Render TR to a-buffers
//