[PATCH vkd3d 2/3] vkd3d-shader: Implement support for stencil export.
Conor McCarthy
cmccarthy at codeweavers.com
Wed Oct 6 00:03:33 CDT 2021
Based on a vkd3d-proton patch by Philip Rebohle.
Signed-off-by: Conor McCarthy <cmccarthy at codeweavers.com>
---
include/vkd3d_shader.h | 1 +
libs/vkd3d-shader/dxbc.c | 3 +++
libs/vkd3d-shader/sm4.h | 1 +
libs/vkd3d-shader/spirv.c | 20 ++++++++++++++++++++
libs/vkd3d-shader/trace.c | 4 ++++
libs/vkd3d-shader/vkd3d_shader_private.h | 2 ++
6 files changed, 31 insertions(+)
diff --git a/include/vkd3d_shader.h b/include/vkd3d_shader.h
index 58e507b7..e8f329f3 100644
--- a/include/vkd3d_shader.h
+++ b/include/vkd3d_shader.h
@@ -578,6 +578,7 @@ enum vkd3d_shader_spirv_extension
VKD3D_SHADER_SPIRV_EXTENSION_NONE,
VKD3D_SHADER_SPIRV_EXTENSION_EXT_DEMOTE_TO_HELPER_INVOCATION,
VKD3D_SHADER_SPIRV_EXTENSION_EXT_DESCRIPTOR_INDEXING,
+ VKD3D_SHADER_SPIRV_EXTENSION_EXT_STENCIL_EXPORT,
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_SPIRV_EXTENSION),
};
diff --git a/libs/vkd3d-shader/dxbc.c b/libs/vkd3d-shader/dxbc.c
index 23814a35..3e4dfc6d 100644
--- a/libs/vkd3d-shader/dxbc.c
+++ b/libs/vkd3d-shader/dxbc.c
@@ -923,6 +923,8 @@ static const enum vkd3d_shader_register_type register_type_table[] =
/* VKD3D_SM5_RT_GS_INSTANCE_ID */ VKD3DSPR_GSINSTID,
/* VKD3D_SM5_RT_DEPTHOUT_GREATER_EQUAL */ VKD3DSPR_DEPTHOUTGE,
/* VKD3D_SM5_RT_DEPTHOUT_LESS_EQUAL */ VKD3DSPR_DEPTHOUTLE,
+ /* VKD3D_SM5_RT_CYCLE_COUNTER */ ~0u,
+ /* VKD3D_SM5_RT_OUTPUT_STENCIL_REF */ VKD3DSPR_OUTSTENCILREF,
};
static const enum vkd3d_shader_register_precision register_precision_table[] =
@@ -1385,6 +1387,7 @@ static bool shader_sm4_is_scalar_register(const struct vkd3d_shader_register *re
case VKD3DSPR_OUTPOINTID:
case VKD3DSPR_PRIMID:
case VKD3DSPR_SAMPLEMASK:
+ case VKD3DSPR_OUTSTENCILREF:
return true;
default:
return false;
diff --git a/libs/vkd3d-shader/sm4.h b/libs/vkd3d-shader/sm4.h
index 3ac41cb0..ddcb9a86 100644
--- a/libs/vkd3d-shader/sm4.h
+++ b/libs/vkd3d-shader/sm4.h
@@ -397,6 +397,7 @@ enum vkd3d_sm4_register_type
VKD3D_SM5_RT_GS_INSTANCE_ID = 0x25,
VKD3D_SM5_RT_DEPTHOUT_GREATER_EQUAL = 0x26,
VKD3D_SM5_RT_DEPTHOUT_LESS_EQUAL = 0x27,
+ VKD3D_SM5_RT_OUTPUT_STENCIL_REF = 0x29,
};
enum vkd3d_sm4_extended_operand_type
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index f604b8ef..b03558e4 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -1840,6 +1840,8 @@ static bool vkd3d_spirv_compile_module(struct vkd3d_spirv_builder *builder,
|| vkd3d_spirv_capability_is_enabled(builder, SpvCapabilityStorageTexelBufferArrayDynamicIndexingEXT)
|| vkd3d_spirv_capability_is_enabled(builder, SpvCapabilityStorageImageArrayDynamicIndexing))
vkd3d_spirv_build_op_extension(&stream, "SPV_EXT_descriptor_indexing");
+ if (vkd3d_spirv_capability_is_enabled(builder, SpvCapabilityStencilExportEXT))
+ vkd3d_spirv_build_op_extension(&stream, "SPV_EXT_shader_stencil_export");
if (builder->ext_instr_set_glsl_450)
vkd3d_spirv_build_op_ext_inst_import(&stream, builder->ext_instr_set_glsl_450, "GLSL.std.450");
@@ -2884,6 +2886,9 @@ static bool vkd3d_dxbc_compiler_get_register_name(char *buffer, unsigned int buf
case VKD3DSPR_PRIMID:
/* SPIRV-Tools disassembler generates names for SPIR-V built-ins. */
return false;
+ case VKD3DSPR_OUTSTENCILREF:
+ snprintf(buffer, buffer_size, "oStencilRef");
+ break;
default:
FIXME("Unhandled register %#x.\n", reg->type);
snprintf(buffer, buffer_size, "unrecognized_%#x", reg->type);
@@ -4090,6 +4095,8 @@ vkd3d_register_builtins[] =
{VKD3DSPR_DEPTHOUT, {VKD3D_SHADER_COMPONENT_FLOAT, 1, SpvBuiltInFragDepth}},
{VKD3DSPR_DEPTHOUTGE, {VKD3D_SHADER_COMPONENT_FLOAT, 1, SpvBuiltInFragDepth}},
{VKD3DSPR_DEPTHOUTLE, {VKD3D_SHADER_COMPONENT_FLOAT, 1, SpvBuiltInFragDepth}},
+
+ {VKD3DSPR_OUTSTENCILREF, {VKD3D_SHADER_COMPONENT_UINT, 1, SpvBuiltInFragStencilRefEXT}},
};
static void vkd3d_dxbc_compiler_emit_register_execution_mode(struct vkd3d_dxbc_compiler *compiler,
@@ -4103,6 +4110,18 @@ static void vkd3d_dxbc_compiler_emit_register_execution_mode(struct vkd3d_dxbc_c
case VKD3DSPR_DEPTHOUTLE:
vkd3d_dxbc_compiler_emit_execution_mode(compiler, SpvExecutionModeDepthLess, NULL, 0);
break;
+ case VKD3DSPR_OUTSTENCILREF:
+ if (!vkd3d_dxbc_compiler_is_target_extension_supported(compiler,
+ VKD3D_SHADER_SPIRV_EXTENSION_EXT_STENCIL_EXPORT))
+ {
+ FIXME("The target environment does not support stencil export.\n");
+ vkd3d_dxbc_compiler_error(compiler, VKD3D_SHADER_ERROR_SPV_STENCIL_EXPORT_UNSUPPORTED,
+ "Cannot export stencil reference value for register id %u. "
+ "The target environment does not support stencil export.", reg->idx[0].offset);
+ }
+ vkd3d_spirv_enable_capability(&compiler->spirv_builder, SpvCapabilityStencilExportEXT);
+ vkd3d_dxbc_compiler_emit_execution_mode(compiler, SpvExecutionModeStencilRefReplacingEXT, NULL, 0);
+ break;
default:
return;
}
@@ -4864,6 +4883,7 @@ static void vkd3d_dxbc_compiler_emit_output_register(struct vkd3d_dxbc_compiler
reg_symbol.info.reg.dcl_mask = write_mask;
reg_symbol.info.reg.is_aggregate = builtin->spirv_array_size;
vkd3d_dxbc_compiler_put_symbol(compiler, ®_symbol);
+ vkd3d_dxbc_compiler_emit_register_execution_mode(compiler, reg);
vkd3d_dxbc_compiler_emit_register_debug_name(builder, output_id, reg);
}
diff --git a/libs/vkd3d-shader/trace.c b/libs/vkd3d-shader/trace.c
index 45f38d13..d4dbf059 100644
--- a/libs/vkd3d-shader/trace.c
+++ b/libs/vkd3d-shader/trace.c
@@ -1027,6 +1027,10 @@ static void shader_dump_register(struct vkd3d_d3d_asm_compiler *compiler, const
shader_addline(buffer, "vGSInstanceID");
break;
+ case VKD3DSPR_OUTSTENCILREF:
+ shader_addline(buffer, "oStencilRef");
+ break;
+
default:
shader_addline(buffer, "<unhandled_rtype(%#x)>", reg->type);
break;
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 8b3e7624..a06755d2 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -76,6 +76,7 @@ enum vkd3d_shader_error
VKD3D_SHADER_ERROR_SPV_INVALID_REGISTER_TYPE = 2001,
VKD3D_SHADER_ERROR_SPV_INVALID_DESCRIPTOR_BINDING = 2002,
VKD3D_SHADER_ERROR_SPV_DESCRIPTOR_IDX_UNSUPPORTED = 2003,
+ VKD3D_SHADER_ERROR_SPV_STENCIL_EXPORT_UNSUPPORTED = 2004,
VKD3D_SHADER_ERROR_RS_OUT_OF_MEMORY = 3000,
VKD3D_SHADER_ERROR_RS_INVALID_VERSION = 3001,
@@ -437,6 +438,7 @@ enum vkd3d_shader_register_type
VKD3DSPR_DEPTHOUTGE,
VKD3DSPR_DEPTHOUTLE,
VKD3DSPR_RASTERIZER,
+ VKD3DSPR_OUTSTENCILREF,
VKD3DSPR_INVALID = ~0u,
};
--
2.32.0
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