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shader: initialize perspective sample barycentrics at SampleId

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This commit is contained in:
Claxten
2026-10-07 18:22:36 +04:00
committed by nmzik
parent fbf6ae400c
commit 3ba6ebae81
8 changed files with 99 additions and 6 deletions
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src/graphics/shader/shader.cpp
+7 -1
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@@ -525,6 +525,9 @@ static void ShaderGetStaticInputInfoPS(
EXIT_NOT_IMPLEMENTED(ps_info.input_num > std::size(ps_info.interpolator_settings));
ps_info.ps_system_input_base = ShaderCalcPsSystemInputBase(sh);
const uint32_t active_inputs = sh.ps_input_ena & sh.ps_input_addr;
if ((active_inputs & 0x00000001u) != 0) {
ps_info.ps_perspective_sample_vgpr = 0;
}
if ((active_inputs & 0x00000002u) != 0) {
ps_info.ps_perspective_center_vgpr = (active_inputs & 0x00000001u) != 0 ? 2u : 0u;
}
@@ -649,6 +652,7 @@ void BuildStageStaticKey(const ShaderPixelInputInfo& info, std::vector<uint32_t>
key.push_back(info.ps_system_input_base);
key.push_back(info.custom_interpolation_mask);
key.push_back(info.ps_perspective_center_vgpr);
key.push_back(info.ps_perspective_sample_vgpr);
key.push_back(info.ps_perspective_centroid_vgpr);
key.push_back(static_cast<uint32_t>(info.ps_pos_x));
key.push_back(static_cast<uint32_t>(info.ps_pos_y));
@@ -910,6 +914,7 @@ void ShaderDbgDumpInputInfo(const ShaderPixelInputInfo& info) {
"\t ps_system_input_base = %u\n"
"\t custom_interpolation_mask = 0x%08" PRIx32 "\n"
"\t ps_perspective_center_vgpr = %" PRIu32 "\n"
"\t ps_perspective_sample_vgpr = %" PRIu32 "\n"
"\t ps_perspective_centroid_vgpr = %" PRIu32 "\n"
"\t ps_pos_x = %s\n"
"\t ps_pos_y = %s\n"
@@ -923,7 +928,8 @@ void ShaderDbgDumpInputInfo(const ShaderPixelInputInfo& info) {
"\t ps_early_z = %s\n"
"\t ps_execute_on_noop = %s\n",
info.input_num, info.ps_system_input_base, info.custom_interpolation_mask,
info.ps_perspective_center_vgpr, info.ps_perspective_centroid_vgpr,
info.ps_perspective_center_vgpr, info.ps_perspective_sample_vgpr,
info.ps_perspective_centroid_vgpr,
info.ps_pos_x ? "true" : "false",
info.ps_pos_y ? "true" : "false", info.ps_pos_z ? "true" : "false",
info.ps_pos_w ? "true" : "false", info.ps_front_face ? "true" : "false",