=?UTF-8?Q?J=C3=B3zef=20Kucia=20?=: vkd3d-shader: Add support for SPV_EXT_demote_to_helper_invocation.
Alexandre Julliard
julliard at winehq.org
Wed Jul 31 13:43:29 CDT 2019
Module: vkd3d
Branch: master
Commit: 077e8b14597d17176850436674b94f4023620db1
URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=077e8b14597d17176850436674b94f4023620db1
Author: Józef Kucia <jkucia at codeweavers.com>
Date: Sat Jul 6 07:36:29 2019 +0200
vkd3d-shader: Add support for SPV_EXT_demote_to_helper_invocation.
Requires SPIRV-Headers commit dcce859e34cf0c23625ec75ac44df750aa2f4d70.
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
include/vkd3d_shader.h | 12 +++++++++++-
libs/vkd3d-shader/spirv.c | 42 +++++++++++++++++++++++++++++++++++++++++-
libs/vkd3d/state.c | 2 ++
3 files changed, 54 insertions(+), 2 deletions(-)
diff --git a/include/vkd3d_shader.h b/include/vkd3d_shader.h
index fcf5db8..6b4d3f5 100644
--- a/include/vkd3d_shader.h
+++ b/include/vkd3d_shader.h
@@ -224,6 +224,13 @@ enum vkd3d_shader_target
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_TARGET),
};
+enum vkd3d_shader_target_extension
+{
+ VKD3D_SHADER_TARGET_EXTENSION_NONE,
+
+ VKD3D_SHADER_TARGET_EXTENSION_SPV_EXT_DEMOTE_TO_HELPER_INVOCATION,
+};
+
struct vkd3d_shader_compile_arguments
{
enum vkd3d_shader_structure_type type;
@@ -231,8 +238,11 @@ struct vkd3d_shader_compile_arguments
enum vkd3d_shader_target target;
+ unsigned int target_extension_count;
+ const enum vkd3d_shader_target_extension *target_extensions;
+
unsigned int parameter_count;
- struct vkd3d_shader_parameter *parameters;
+ const struct vkd3d_shader_parameter *parameters;
bool dual_source_blending;
const unsigned int *output_swizzles;
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index f17c7fa..0fb499e 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -266,6 +266,7 @@ struct vkd3d_spirv_builder
{
uint64_t capability_mask;
uint64_t capability_draw_parameters : 1;
+ uint64_t capability_demote_to_helper_invocation : 1;
uint32_t ext_instr_set_glsl_450;
SpvExecutionModel execution_model;
@@ -311,6 +312,10 @@ static void vkd3d_spirv_enable_capability(struct vkd3d_spirv_builder *builder,
{
builder->capability_draw_parameters = 1;
}
+ else if (cap == SpvCapabilityDemoteToHelperInvocationEXT)
+ {
+ builder->capability_demote_to_helper_invocation = 1;
+ }
else
{
FIXME("Unhandled capability %#x.\n", cap);
@@ -1222,6 +1227,11 @@ static void vkd3d_spirv_build_op_kill(struct vkd3d_spirv_builder *builder)
vkd3d_spirv_build_op(&builder->function_stream, SpvOpKill);
}
+static void vkd3d_spirv_build_op_demote_to_helper_invocation(struct vkd3d_spirv_builder *builder)
+{
+ vkd3d_spirv_build_op(&builder->function_stream, SpvOpDemoteToHelperInvocationEXT);
+}
+
static void vkd3d_spirv_build_op_return(struct vkd3d_spirv_builder *builder)
{
vkd3d_spirv_build_op(&builder->function_stream, SpvOpReturn);
@@ -1703,10 +1713,14 @@ static bool vkd3d_spirv_compile_module(struct vkd3d_spirv_builder *builder,
}
if (builder->capability_draw_parameters)
vkd3d_spirv_build_op_capability(&stream, SpvCapabilityDrawParameters);
+ if (builder->capability_demote_to_helper_invocation)
+ vkd3d_spirv_build_op_capability(&stream, SpvCapabilityDemoteToHelperInvocationEXT);
/* extensions */
if (builder->capability_draw_parameters)
vkd3d_spirv_build_op_extension(&stream, "SPV_KHR_shader_draw_parameters");
+ if (builder->capability_demote_to_helper_invocation)
+ vkd3d_spirv_build_op_extension(&stream, "SPV_EXT_demote_to_helper_invocation");
if (builder->ext_instr_set_glsl_450)
vkd3d_spirv_build_op_ext_inst_import(&stream, builder->ext_instr_set_glsl_450, "GLSL.std.450");
@@ -2148,6 +2162,21 @@ static bool vkd3d_dxbc_compiler_is_opengl_target(const struct vkd3d_dxbc_compile
return vkd3d_dxbc_compiler_get_target(compiler) == VKD3D_SHADER_TARGET_SPIRV_OPENGL_4_5;
}
+static bool vkd3d_dxbc_compiler_is_target_extension_supported(const struct vkd3d_dxbc_compiler *compiler,
+ enum vkd3d_shader_target_extension extension)
+{
+ const struct vkd3d_shader_compile_arguments *args = compiler->compile_args;
+ unsigned int i;
+
+ for (i = 0; args && i < args->target_extension_count; ++i)
+ {
+ if (args->target_extensions[i] == extension)
+ return true;
+ }
+
+ return false;
+}
+
static bool vkd3d_dxbc_compiler_check_shader_visibility(const struct vkd3d_dxbc_compiler *compiler,
enum vkd3d_shader_visibility visibility)
{
@@ -6477,7 +6506,18 @@ static void vkd3d_dxbc_compiler_emit_kill(struct vkd3d_dxbc_compiler *compiler,
merge_block_id = vkd3d_dxbc_compiler_emit_conditional_branch(compiler, instruction, target_id);
vkd3d_spirv_build_op_label(builder, target_id);
- vkd3d_spirv_build_op_kill(builder);
+
+ if (vkd3d_dxbc_compiler_is_target_extension_supported(compiler,
+ VKD3D_SHADER_TARGET_EXTENSION_SPV_EXT_DEMOTE_TO_HELPER_INVOCATION))
+ {
+ vkd3d_spirv_build_op_demote_to_helper_invocation(builder);
+ vkd3d_spirv_build_op_branch(builder, merge_block_id);
+ }
+ else
+ {
+ vkd3d_spirv_build_op_kill(builder);
+ }
+
vkd3d_spirv_build_op_label(builder, merge_block_id);
}
diff --git a/libs/vkd3d/state.c b/libs/vkd3d/state.c
index 7946680..26d4a7a 100644
--- a/libs/vkd3d/state.c
+++ b/libs/vkd3d/state.c
@@ -2254,6 +2254,8 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
ps_compile_args.type = VKD3D_SHADER_STRUCTURE_TYPE_COMPILE_ARGUMENTS;
ps_compile_args.next = NULL;
ps_compile_args.target = VKD3D_SHADER_TARGET_SPIRV_VULKAN_1_0;
+ ps_compile_args.target_extension_count = 0;
+ ps_compile_args.target_extensions = NULL;
ps_compile_args.parameter_count = ARRAY_SIZE(ps_shader_parameters);
ps_compile_args.parameters = ps_shader_parameters;
ps_compile_args.dual_source_blending = is_dual_source_blending(&desc->BlendState.RenderTarget[0]);
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