Merge pull request #287 from polybiusproxy/dev

gnmdriver: Implement shader functions

src/core/libraries/gnmdriver/gnmdriver.cpp

@@ -1409,9 +1409,8 @@ s32 PS4_SYSV_ABI sceGnmSetEmbeddedPsShader(u32* cmdbuf, u32 size, u32 shader_id,
     // repeat set shader functionality here as it is trivial.
     cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 8u, ps_regs[0],
                                      0u); // SPI_SHADER_PGM_LO_PS/SPI_SHADER_PGM_HI_PS
-    cmdbuf =
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 10u, ps_regs[2],
-        PM4CmdSetData::SetShReg(cmdbuf, 10u, ps_regs[2],
+                                     ps_regs[3]); // SPI_SHADER_PGM_RSRC1_PS/SPI_SHADER_PGM_RSRC2_PS
-                                ps_regs[3]); // SPI_SHADER_USER_DATA_PS_4/SPI_SHADER_USER_DATA_PS_5
     cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x1c4u, ps_regs[4],
                                           ps_regs[5]); // SPI_SHADER_Z_FORMAT/SPI_SHADER_COL_FORMAT
     cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x1b3u, ps_regs[6],
@@ -1468,8 +1467,8 @@ s32 PS4_SYSV_ABI sceGnmSetEmbeddedVsShader(u32* cmdbuf, u32 size, u32 shader_id,
     // pointer to a stack memory, so the check will likely fail. To workaround it we will
     // repeat set shader functionality here as it is trivial.
     cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x48u, vs_regs[0], vs_regs[1]); // SPI_SHADER_PGM_LO_VS
-    cmdbuf =
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x4au, vs_regs[2],
-        PM4CmdSetData::SetShReg(cmdbuf, 0x4au, vs_regs[2], vs_regs[3]); // SPI_SHADER_PGM_RSRC1_VS
+                                     vs_regs[3]); // SPI_SHADER_PGM_RSRC1_VS/SPI_SHADER_PGM_RSRC2_VS
     cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x207u, vs_regs[6]); // PA_CL_VS_OUT_CNTL
     cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x1b1u, vs_regs[4]); // SPI_VS_OUT_CONFIG
     cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x1c3u, vs_regs[5]); // SPI_SHADER_POS_FORMAT
@@ -1478,8 +1477,34 @@ s32 PS4_SYSV_ABI sceGnmSetEmbeddedVsShader(u32* cmdbuf, u32 size, u32 shader_id,
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceGnmSetEsShader() {
+s32 PS4_SYSV_ABI sceGnmSetEsShader(u32* cmdbuf, u32 size, const u32* es_regs, u32 shader_modifier) {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
+    LOG_TRACE(Lib_GnmDriver, "called");
+
+    if (!cmdbuf || size < 0x14) {
+        return -1;
+    }
+
+    if (!es_regs) {
+        LOG_ERROR(Lib_GnmDriver, "Null pointer passed as argument");
+        return -1;
+    }
+
+    if (shader_modifier & 0xfcfffc3f) {
+        LOG_ERROR(Lib_GnmDriver, "Invalid modifier mask");
+        return -1;
+    }
+
+    if (es_regs[1] != 0) {
+        LOG_ERROR(Lib_GnmDriver, "Invalid shader address");
+        return -1;
+    }
+
+    const u32 var =
+        shader_modifier == 0 ? es_regs[2] : ((es_regs[2] & 0xfcfffc3f) | shader_modifier);
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0xc8u, es_regs[0], 0u);  // SPI_SHADER_PGM_LO_ES
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0xcau, var, es_regs[3]); // SPI_SHADER_PGM_RSRC1_ES
+
+    WriteTrailingNop<11>(cmdbuf);
     return ORBIS_OK;
 }
 
@@ -1488,18 +1513,93 @@ int PS4_SYSV_ABI sceGnmSetGsRingSizes() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceGnmSetGsShader() {
+s32 PS4_SYSV_ABI sceGnmSetGsShader(u32* cmdbuf, u32 size, const u32* gs_regs) {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
+    LOG_TRACE(Lib_GnmDriver, "called");
+
+    if (!cmdbuf || size < 0x1d) {
+        return -1;
+    }
+
+    if (!gs_regs) {
+        LOG_ERROR(Lib_GnmDriver, "Null pointer passed as argument");
+        return -1;
+    }
+
+    if (gs_regs[1] != 0) {
+        LOG_ERROR(Lib_GnmDriver, "Invalid shader address");
+        return -1;
+    }
+
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x88u, gs_regs[0], 0u); // SPI_SHADER_PGM_LO_GS
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x8au, gs_regs[2],
+                                     gs_regs[3]); // SPI_SHADER_PGM_RSRC1_GS/SPI_SHADER_PGM_RSRC2_GS
+    cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x2e5u, gs_regs[4]); // VGT_STRMOUT_CONFIG
+    cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x29bu, gs_regs[5]); // VGT_GS_OUT_PRIM_TYPE
+    cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x2e4u, gs_regs[6]); // VGT_GS_INSTANCE_CNT
+
+    WriteTrailingNop<11>(cmdbuf);
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceGnmSetHsShader() {
+s32 PS4_SYSV_ABI sceGnmSetHsShader(u32* cmdbuf, u32 size, const u32* hs_regs, u32 param4) {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
+    LOG_TRACE(Lib_GnmDriver, "called");
+
+    if (!cmdbuf || size < 0x1E) {
+        return -1;
+    }
+
+    if (!hs_regs) {
+        LOG_ERROR(Lib_GnmDriver, "Null pointer passed as argument");
+        return -1;
+    }
+
+    if (hs_regs[1] != 0) {
+        LOG_ERROR(Lib_GnmDriver, "Invalid shader address");
+        return -1;
+    }
+
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x108u, hs_regs[0], 0u); // SPI_SHADER_PGM_LO_HS
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x10au, hs_regs[2],
+                                     hs_regs[3]); // SPI_SHADER_PGM_RSRC1_HS/SPI_SHADER_PGM_RSRC2_HS
+    cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x286u, hs_regs[5],
+                                          hs_regs[5]);                 // VGT_HOS_MAX_TESS_LEVEL
+    cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x2dbu, hs_regs[4]); // VGT_TF_PARAM
+    cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x2d6u, param4);     // VGT_LS_HS_CONFIG
+
+    WriteTrailingNop<11>(cmdbuf);
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceGnmSetLsShader() {
+s32 PS4_SYSV_ABI sceGnmSetLsShader(u32* cmdbuf, u32 size, const u32* ls_regs, u32 shader_modifier) {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
+    LOG_TRACE(Lib_GnmDriver, "called");
+
+    if (!cmdbuf || size < 0x17) {
+        return -1;
+    }
+
+    if (!ls_regs) {
+        LOG_ERROR(Lib_GnmDriver, "Null pointer passed as argument");
+        return -1;
+    }
+
+    const auto modifier_mask = ((shader_modifier & 0xfffffc3f) == 0) ? 0xfffffc3f : 0xfcfffc3f;
+    if (shader_modifier & modifier_mask) {
+        LOG_ERROR(Lib_GnmDriver, "Invalid modifier mask");
+        return -1;
+    }
+
+    if (ls_regs[1] != 0) {
+        LOG_ERROR(Lib_GnmDriver, "Invalid shader address");
+        return -1;
+    }
+
+    const u32 var =
+        shader_modifier == 0 ? ls_regs[2] : ((ls_regs[2] & modifier_mask) | shader_modifier);
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x148u, ls_regs[0], 0u);  // SPI_SHADER_PGM_LO_LS
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x14bu, ls_regs[3]);      // SPI_SHADER_PGM_RSRC2_LS
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x14au, var, ls_regs[3]); // SPI_SHADER_PGM_RSRC1_LS
+
+    WriteTrailingNop<11>(cmdbuf);
     return ORBIS_OK;
 }
 
@@ -1523,9 +1623,9 @@ s32 PS4_SYSV_ABI sceGnmSetPsShader(u32* cmdbuf, u32 size, const u32* ps_regs) {
 
         cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 8u, ps_regs[0],
                                          0u); // SPI_SHADER_PGM_LO_PS/SPI_SHADER_PGM_HI_PS
-        cmdbuf = PM4CmdSetData::SetShReg(
+        cmdbuf =
-            cmdbuf, 10u, ps_regs[2],
+            PM4CmdSetData::SetShReg(cmdbuf, 10u, ps_regs[2],
-            ps_regs[3]); // SPI_SHADER_USER_DATA_PS_4/SPI_SHADER_USER_DATA_PS_5
+                                    ps_regs[3]); // SPI_SHADER_PGM_RSRC1_PS/SPI_SHADER_PGM_RSRC2_PS
         cmdbuf = PM4CmdSetData::SetContextReg(
             cmdbuf, 0x1c4u, ps_regs[4], ps_regs[5]); // SPI_SHADER_Z_FORMAT/SPI_SHADER_COL_FORMAT
         cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x1b3u, ps_regs[6],
@@ -1561,9 +1661,9 @@ s32 PS4_SYSV_ABI sceGnmSetPsShader350(u32* cmdbuf, u32 size, const u32* ps_regs)
 
         cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 8u, ps_regs[0],
                                          0u); // SPI_SHADER_PGM_LO_PS/SPI_SHADER_PGM_HI_PS
-        cmdbuf = PM4CmdSetData::SetShReg(
+        cmdbuf =
-            cmdbuf, 10u, ps_regs[2],
+            PM4CmdSetData::SetShReg(cmdbuf, 10u, ps_regs[2],
-            ps_regs[3]); // SPI_SHADER_USER_DATA_PS_4/SPI_SHADER_USER_DATA_PS_5
+                                    ps_regs[3]); // SPI_SHADER_PGM_RSRC1_PS/SPI_SHADER_PGM_RSRC2_PS
         cmdbuf = PM4CmdSetData::SetContextReg(
             cmdbuf, 0x1c4u, ps_regs[4], ps_regs[5]); // SPI_SHADER_Z_FORMAT/SPI_SHADER_COL_FORMAT
         cmdbuf = PM4CmdSetData::SetContextReg(cmdbuf, 0x1b3u, ps_regs[6],
@@ -2052,8 +2152,34 @@ int PS4_SYSV_ABI sceGnmUnregisterResource() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceGnmUpdateGsShader() {
+s32 PS4_SYSV_ABI sceGnmUpdateGsShader(u32* cmdbuf, u32 size, const u32* gs_regs) {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
+    LOG_TRACE(Lib_GnmDriver, "called");
+
+    if (!cmdbuf || size < 0x1d) {
+        return -1;
+    }
+
+    if (!gs_regs) {
+        LOG_ERROR(Lib_GnmDriver, "Null pointer passed as argument");
+        return -1;
+    }
+
+    if (gs_regs[1] != 0) {
+        LOG_ERROR(Lib_GnmDriver, "Invalid shader address");
+        return -1;
+    }
+
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x88u, gs_regs[0], 0u); // SPI_SHADER_PGM_LO_GS
+    cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x8au, gs_regs[2],
+                                     gs_regs[3]); // SPI_SHADER_PGM_RSRC1_GS/SPI_SHADER_PGM_RSRC2_GS
+    cmdbuf = WritePacket<PM4ItOpcode::Nop>(cmdbuf, PM4ShaderType::ShaderGraphics, 0xc01e02e5u,
+                                           gs_regs[4]);
+    cmdbuf = WritePacket<PM4ItOpcode::Nop>(cmdbuf, PM4ShaderType::ShaderGraphics, 0xc01e029bu,
+                                           gs_regs[5]);
+    cmdbuf = WritePacket<PM4ItOpcode::Nop>(cmdbuf, PM4ShaderType::ShaderGraphics, 0xc01e02e4u,
+                                           gs_regs[6]);
+
+    WriteTrailingNop<11>(cmdbuf);
     return ORBIS_OK;
 }
 
@@ -2082,9 +2208,9 @@ s32 PS4_SYSV_ABI sceGnmUpdatePsShader(u32* cmdbuf, u32 size, const u32* ps_regs)
 
         cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 8u, ps_regs[0],
                                          0u); // SPI_SHADER_PGM_LO_PS/SPI_SHADER_PGM_HI_PS
-        cmdbuf = PM4CmdSetData::SetShReg(
+        cmdbuf =
-            cmdbuf, 10u, ps_regs[2],
+            PM4CmdSetData::SetShReg(cmdbuf, 10u, ps_regs[2],
-            ps_regs[3]); // SPI_SHADER_USER_DATA_PS_4/SPI_SHADER_USER_DATA_PS_5
+                                    ps_regs[3]); // SPI_SHADER_PGM_RSRC1_PS/SPI_SHADER_PGM_RSRC2_PS
         cmdbuf = WritePacket<PM4ItOpcode::Nop>(
             cmdbuf, PM4ShaderType::ShaderGraphics, 0xc01e01c4u, ps_regs[4],
             ps_regs[5]); // SPI_SHADER_Z_FORMAT/SPI_SHADER_COL_FORMAT update
@@ -2127,9 +2253,9 @@ s32 PS4_SYSV_ABI sceGnmUpdatePsShader350(u32* cmdbuf, u32 size, const u32* ps_re
 
         cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 8u, ps_regs[0],
                                          0u); // SPI_SHADER_PGM_LO_PS/SPI_SHADER_PGM_HI_PS
-        cmdbuf = PM4CmdSetData::SetShReg(
+        cmdbuf =
-            cmdbuf, 10u, ps_regs[2],
+            PM4CmdSetData::SetShReg(cmdbuf, 10u, ps_regs[2],
-            ps_regs[3]); // SPI_SHADER_USER_DATA_PS_4/SPI_SHADER_USER_DATA_PS_5
+                                    ps_regs[3]); // SPI_SHADER_PGM_RSRC1_PS/SPI_SHADER_PGM_RSRC2_PS
         cmdbuf = WritePacket<PM4ItOpcode::Nop>(
             cmdbuf, PM4ShaderType::ShaderGraphics, 0xc01e01c4u, ps_regs[4],
             ps_regs[5]); // SPI_SHADER_Z_FORMAT/SPI_SHADER_COL_FORMAT update
@@ -2173,7 +2299,8 @@ s32 PS4_SYSV_ABI sceGnmUpdateVsShader(u32* cmdbuf, u32 size, const u32* vs_regs,
         return -1;
     }
 
-    const u32 var = shader_modifier == 0 ? vs_regs[2] : (vs_regs[2] & 0xfcfffc3f | shader_modifier);
+    const u32 var =
+        shader_modifier == 0 ? vs_regs[2] : ((vs_regs[2] & 0xfcfffc3f) | shader_modifier);
     cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x48u, vs_regs[0], 0u);  // SPI_SHADER_PGM_LO_VS
     cmdbuf = PM4CmdSetData::SetShReg(cmdbuf, 0x4au, var, vs_regs[3]); // SPI_SHADER_PGM_RSRC1_VS
     cmdbuf = WritePacket<PM4ItOpcode::Nop>(cmdbuf, PM4ShaderType::ShaderGraphics, 0xc01e0207u,

src/core/libraries/gnmdriver/gnmdriver.h

@@ -149,11 +149,11 @@ s32 PS4_SYSV_ABI sceGnmSetCsShaderWithModifier(u32* cmdbuf, u32 size, const u32*
 s32 PS4_SYSV_ABI sceGnmSetEmbeddedPsShader(u32* cmdbuf, u32 size, u32 shader_id,
                                            u32 shader_modifier);
 s32 PS4_SYSV_ABI sceGnmSetEmbeddedVsShader(u32* cmdbuf, u32 size, u32 shader_id, u32 modifier);
-int PS4_SYSV_ABI sceGnmSetEsShader();
+s32 PS4_SYSV_ABI sceGnmSetEsShader(u32* cmdbuf, u32 size, const u32* es_regs, u32 shader_modifier);
 int PS4_SYSV_ABI sceGnmSetGsRingSizes();
-int PS4_SYSV_ABI sceGnmSetGsShader();
+s32 PS4_SYSV_ABI sceGnmSetGsShader(u32* cmdbuf, u32 size, const u32* gs_regs);
-int PS4_SYSV_ABI sceGnmSetHsShader();
+s32 PS4_SYSV_ABI sceGnmSetHsShader(u32* cmdbuf, u32 size, const u32* hs_regs, u32 param4);
-int PS4_SYSV_ABI sceGnmSetLsShader();
+s32 PS4_SYSV_ABI sceGnmSetLsShader(u32* cmdbuf, u32 size, const u32* ls_regs, u32 shader_modifier);
 s32 PS4_SYSV_ABI sceGnmSetPsShader(u32* cmdbuf, u32 size, const u32* ps_regs);
 s32 PS4_SYSV_ABI sceGnmSetPsShader350(u32* cmdbuf, u32 size, const u32* ps_regs);
 int PS4_SYSV_ABI sceGnmSetResourceRegistrationUserMemory();
@@ -216,7 +216,7 @@ int PS4_SYSV_ABI sceGnmUnmapComputeQueue();
 int PS4_SYSV_ABI sceGnmUnregisterAllResourcesForOwner();
 int PS4_SYSV_ABI sceGnmUnregisterOwnerAndResources();
 int PS4_SYSV_ABI sceGnmUnregisterResource();
-int PS4_SYSV_ABI sceGnmUpdateGsShader();
+s32 PS4_SYSV_ABI sceGnmUpdateGsShader(u32* cmdbuf, u32 size, const u32* gs_regs);
 int PS4_SYSV_ABI sceGnmUpdateHsShader();
 s32 PS4_SYSV_ABI sceGnmUpdatePsShader(u32* cmdbuf, u32 size, const u32* ps_regs);
 s32 PS4_SYSV_ABI sceGnmUpdatePsShader350(u32* cmdbuf, u32 size, const u32* ps_regs);

src/shader_recompiler/backend/spirv/spirv_emit_context.cpp

@@ -13,10 +13,12 @@ std::string_view StageName(Stage stage) {
     switch (stage) {
     case Stage::Vertex:
         return "vs";
-    case Stage::TessellationControl:
+    case Stage::Local:
-        return "tcs";
+        return "ls";
-    case Stage::TessellationEval:
+    case Stage::Export:
-        return "tes";
+        return "es";
+    case Stage::Hull:
+        return "hs";
     case Stage::Geometry:
         return "gs";
     case Stage::Fragment:

src/shader_recompiler/runtime_info.h

@@ -17,11 +17,12 @@ namespace Shader {
 static constexpr size_t NumUserDataRegs = 16;
 
 enum class Stage : u32 {
-    Vertex,
-    TessellationControl,
-    TessellationEval,
-    Geometry,
     Fragment,
+    Vertex,
+    Geometry,
+    Export,
+    Hull,
+    Local,
     Compute,
 };
 constexpr u32 MaxStageTypes = 6;
@@ -204,7 +205,7 @@ struct fmt::formatter<Shader::Stage> {
         return ctx.begin();
     }
     auto format(const Shader::Stage& stage, format_context& ctx) const {
-        constexpr static std::array names = {"vs", "tc", "te", "gs", "fs", "cs"};
+        constexpr static std::array names = {"fs", "vs", "gs", "es", "hs", "ls", "cs"};
         return fmt::format_to(ctx.out(), "{}", names[static_cast<size_t>(stage)]);
     }
 };

src/video_core/amdgpu/liverpool.h

@@ -837,7 +837,15 @@ struct Liverpool {
             ShaderProgram ps_program;
             INSERT_PADDING_WORDS(0x2C);
             ShaderProgram vs_program;
-            INSERT_PADDING_WORDS(0x2E00 - 0x2C4C - 16);
+            INSERT_PADDING_WORDS(0x2C);
+            ShaderProgram gs_program;
+            INSERT_PADDING_WORDS(0x2C);
+            ShaderProgram es_program;
+            INSERT_PADDING_WORDS(0x2C);
+            ShaderProgram hs_program;
+            INSERT_PADDING_WORDS(0x2C);
+            ShaderProgram ls_program;
+            INSERT_PADDING_WORDS(0xA4);
             ComputeProgram cs_program;
             INSERT_PADDING_WORDS(0xA008 - 0x2E00 - 80 - 3 - 5);
             DepthRenderControl depth_render_control;
@@ -916,12 +924,19 @@ struct Liverpool {
         const ShaderProgram* ProgramForStage(u32 index) const {
             switch (index) {
             case 0:
-                return &vs_program;
-            case 4:
                 return &ps_program;
-            default:
+            case 1:
-                return nullptr;
+                return &vs_program;
+            case 2:
+                return &gs_program;
+            case 3:
+                return &es_program;
+            case 4:
+                return &hs_program;
+            case 5:
+                return &ls_program;
             }
+            return nullptr;
         }
     };
 
@@ -1026,6 +1041,10 @@ private:
 static_assert(GFX6_3D_REG_INDEX(ps_program) == 0x2C08);
 static_assert(GFX6_3D_REG_INDEX(vs_program) == 0x2C48);
 static_assert(GFX6_3D_REG_INDEX(vs_program.user_data) == 0x2C4C);
+static_assert(GFX6_3D_REG_INDEX(gs_program) == 0x2C88);
+static_assert(GFX6_3D_REG_INDEX(es_program) == 0x2CC8);
+static_assert(GFX6_3D_REG_INDEX(hs_program) == 0x2D08);
+static_assert(GFX6_3D_REG_INDEX(ls_program) == 0x2D48);
 static_assert(GFX6_3D_REG_INDEX(cs_program) == 0x2E00);
 static_assert(GFX6_3D_REG_INDEX(cs_program.dim_z) == 0x2E03);
 static_assert(GFX6_3D_REG_INDEX(cs_program.address_lo) == 0x2E0C);

src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp

@@ -48,7 +48,7 @@ GraphicsPipeline::GraphicsPipeline(const Instance& instance_, Scheduler& schedul
 
     boost::container::static_vector<vk::VertexInputBindingDescription, 32> bindings;
     boost::container::static_vector<vk::VertexInputAttributeDescription, 32> attributes;
-    const auto& vs_info = stages[0];
+    const auto& vs_info = stages[u32(Shader::Stage::Vertex)];
     for (const auto& input : vs_info.vs_inputs) {
         if (input.instance_step_rate == Shader::Info::VsInput::InstanceIdType::OverStepRate0 ||
             input.instance_step_rate == Shader::Info::VsInput::InstanceIdType::OverStepRate1) {
@@ -179,20 +179,21 @@ GraphicsPipeline::GraphicsPipeline(const Instance& instance_, Scheduler& schedul
         .maxDepthBounds = key.depth_bounds_max,
     };
 
-    u32 shader_count = 1;
+    u32 shader_count{};
+    auto stage = u32(Shader::Stage::Vertex);
     std::array<vk::PipelineShaderStageCreateInfo, MaxShaderStages> shader_stages;
-    shader_stages[0] = vk::PipelineShaderStageCreateInfo{
+    shader_stages[shader_count++] = vk::PipelineShaderStageCreateInfo{
         .stage = vk::ShaderStageFlagBits::eVertex,
-        .module = modules[0],
+        .module = modules[stage],
         .pName = "main",
     };
-    if (modules[4]) {
+    stage = u32(Shader::Stage::Fragment);
-        shader_stages[1] = vk::PipelineShaderStageCreateInfo{
+    if (modules[stage]) {
+        shader_stages[shader_count++] = vk::PipelineShaderStageCreateInfo{
             .stage = vk::ShaderStageFlagBits::eFragment,
-            .module = modules[4],
+            .module = modules[stage],
             .pName = "main",
         };
-        ++shader_count;
     }
 
     const auto it = std::ranges::find(key.color_formats, vk::Format::eUndefined);
@@ -411,7 +412,7 @@ void GraphicsPipeline::BindResources(Core::MemoryManager* memory, StreamBuffer&
 }
 
 void GraphicsPipeline::BindVertexBuffers(StreamBuffer& staging) const {
-    const auto& vs_info = stages[0];
+    const auto& vs_info = stages[u32(Shader::Stage::Vertex)];
     if (vs_info.vs_inputs.empty()) {
         return;
     }

src/video_core/renderer_vulkan/vk_graphics_pipeline.h

@@ -77,7 +77,7 @@ public:
 
     bool IsEmbeddedVs() const noexcept {
         static constexpr size_t EmbeddedVsHash = 0x9b2da5cf47f8c29f;
-        return key.stage_hashes[0] == EmbeddedVsHash;
+        return key.stage_hashes[u32(Shader::Stage::Vertex)] == EmbeddedVsHash;
     }
 
     auto GetWriteMasks() const {

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -256,6 +256,12 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline() {
         block_pool.ReleaseContents();
         inst_pool.ReleaseContents();
 
+        if (stage != Shader::Stage::Compute && stage != Shader::Stage::Fragment &&
+            stage != Shader::Stage::Vertex) {
+            LOG_ERROR(Render_Vulkan, "Unsupported shader stage {}. PL creation skipped.", stage);
+            return {};
+        }
+
         // Recompile shader to IR.
         try {
             LOG_INFO(Render_Vulkan, "Compiling {} shader {:#x}", stage, hash);