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rsx: Do not sample as pcf shader if writing a vector result

This commit is contained in:
kd-11 2017-06-22 20:09:05 +03:00
parent 590bb7cbe4
commit 17318112eb
2 changed files with 19 additions and 1 deletions
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15
rpcs3/Emu/RSX/Common/FragmentProgramDecompiler.cpp
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@ -224,6 +224,18 @@ std::string FragmentProgramDecompiler::NoOverflow(const std::string& code)
return code;
}
bool FragmentProgramDecompiler::DstExpectsSca()
{
int writes = 0;
if (dst.mask_x) writes++;
if (dst.mask_y) writes++;
if (dst.mask_z) writes++;
if (dst.mask_w) writes++;
return (writes == 1);
}
std::string FragmentProgramDecompiler::Format(const std::string& code)
{
const std::pair<std::string, std::function<std::string()>> repl_list[] =
@ -542,7 +554,8 @@ bool FragmentProgramDecompiler::handle_tex_srb(u32 opcode)
return true;
case rsx::texture_dimension_extended::texture_dimension_2d:
SetDst(getFunction(FUNCTION::FUNCTION_TEXTURE_SAMPLE2D_PROJ));
if (m_prog.shadow_textures & (1 << dst.tex_num))
//Note shadow comparison only returns a true/false result!
if (DstExpectsSca() && (m_prog.shadow_textures & (1 << dst.tex_num)))
m_shadow_sampled_textures |= (1 << dst.tex_num);
return true;
case rsx::texture_dimension_extended::texture_dimension_cubemap:

5
rpcs3/Emu/RSX/Common/FragmentProgramDecompiler.h
View File

@ -58,6 +58,11 @@ class FragmentProgramDecompiler
//Prevents operations from overflowing the max range (tested with fp_dynamic3 autotest sample)
std::string NoOverflow(const std::string& code);
/**
* Returns true if the dst set is not a vector (i.e only a single component)
*/
bool DstExpectsSca();
void AddCodeCond(const std::string& dst, const std::string& src);
std::string GetRawCond();
std::string GetCond();