UberShaderPixel: always run indirect stage logic

Hardware testing has confirmed that fb_addprev and wrapping both run even when the indirect stage is disabled.
This commit is contained in:
Pokechu22
2021-04-18 19:51:02 -07:00
parent b5844ab195
commit e1d45e9ba6
2 changed files with 17 additions and 22 deletions

View File

@ -287,6 +287,8 @@ ShaderCode GenPixelShader(APIType ApiType, const ShaderHostConfig& host_config,
// ======================
const auto LookupIndirectTexture = [&out, stereo](std::string_view out_var_name,
std::string_view in_index_name) {
// in_index_name is the indirect stage, not the tev stage
// bpmem_iref is packed differently from RAS1_IREF
out.Write("{{\n"
" uint iref = bpmem_iref({});\n"
" if ( iref != 0u)\n"
@ -304,6 +306,10 @@ ShaderCode GenPixelShader(APIType ApiType, const ShaderHostConfig& host_config,
"[texmap].xy, {})).abg;\n",
in_index_name, in_index_name, in_index_name, in_index_name, out_var_name,
stereo ? "float(layer)" : "0.0");
// There is always a bit set in bpmem_iref if the data is valid (matrix is not off, and the
// indirect texture stage is enabled). If the matrix is off, the result doesn't matter; if the
// indirect texture stage is disabled, the result is undefined (and produces a glitchy pattern
// on hardware, different from this).
out.Write(" }}\n"
" else\n"
" {{\n"