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vkd3d-shader: Add support for SPV_EXT_demote_to_helper_invocation.

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Requires SPIRV-Headers commit dcce859e34cf0c23625ec75ac44df750aa2f4d70.

Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia
2019-07-06 07:36:29 +02:00
committed by Alexandre Julliard
parent 46ff2c2764
commit 077e8b1459
3 changed files with 54 additions and 2 deletions
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42
libs/vkd3d-shader/spirv.c
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@@ -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);
}