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libs/vkd3d-shader: Subtract BaseInstance from InstanceIndex.

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Depends on SPV_KHR_shader_draw_parameters extension.
This commit is contained in:
Józef Kucia 2017-09-12 17:42:42 +02:00
parent a77376121d
commit 6b757f3002
1 changed files with 72 additions and 14 deletions
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86
libs/vkd3d-shader/spirv.c
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@ -204,6 +204,7 @@ static bool vkd3d_spirv_stream_append(struct vkd3d_spirv_stream *dst_stream,
struct vkd3d_spirv_builder
{
uint64_t capability_mask;
uint64_t capability_draw_parameters : 1;
uint32_t ext_instr_set_glsl_450;
SpvExecutionModel execution_model;
@ -249,8 +250,18 @@ static uint32_t vkd3d_spirv_alloc_id(struct vkd3d_spirv_builder *builder)
static void vkd3d_spirv_enable_capability(struct vkd3d_spirv_builder *builder,
SpvCapability cap)
{
assert(cap < sizeof(builder->capability_mask) * CHAR_BIT);
builder->capability_mask |= 1ull << cap;
if (cap < sizeof(builder->capability_mask) * CHAR_BIT)
{
builder->capability_mask |= 1ull << cap;
}
else if (cap == SpvCapabilityDrawParameters)
{
builder->capability_draw_parameters = 1;
}
else
{
FIXME("Unhandled capability %#x.\n", cap);
}
}
static uint32_t vkd3d_spirv_get_glsl_std450_instr_set(struct vkd3d_spirv_builder *builder)
@ -693,6 +704,14 @@ static void vkd3d_spirv_build_op_capability(struct vkd3d_spirv_stream *stream,
vkd3d_spirv_build_op1(stream, SpvOpCapability, cap);
}
static void vkd3d_spirv_build_op_extension(struct vkd3d_spirv_stream *stream,
const char *name)
{
unsigned int name_size = vkd3d_spirv_string_word_count(name);
vkd3d_spirv_build_word(stream, vkd3d_spirv_opcode_word(SpvOpExtension, 1 + name_size));
vkd3d_spirv_build_string(stream, name, name_size);
}
static void vkd3d_spirv_build_op_ext_inst_import(struct vkd3d_spirv_stream *stream,
uint32_t result_id, const char *name)
{
@ -1513,6 +1532,11 @@ static bool vkd3d_spirv_compile_module(struct vkd3d_spirv_builder *builder,
vkd3d_spirv_build_op_capability(&stream, i);
capability_mask >>= 1;
}
if (builder->capability_draw_parameters)
vkd3d_spirv_build_op_capability(&stream, SpvCapabilityDrawParameters);
if (builder->capability_draw_parameters)
vkd3d_spirv_build_op_extension(&stream, "SPV_KHR_shader_draw_parameters");
if (builder->ext_instr_set_glsl_450)
vkd3d_spirv_build_op_ext_inst_import(&stream, builder->ext_instr_set_glsl_450, "GLSL.std.450");
@ -2546,6 +2570,47 @@ static void vkd3d_dxbc_compiler_emit_store_dst_components(struct vkd3d_dxbc_comp
vkd3d_dxbc_compiler_emit_store_dst(compiler, dst, val_id);
}
static void vkd3d_dxbc_compiler_decorate_builtin(struct vkd3d_dxbc_compiler *compiler,
uint32_t target_id, SpvBuiltIn builtin)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
if (compiler->shader_type == VKD3D_SHADER_TYPE_PIXEL && builtin == SpvBuiltInPosition)
builtin = SpvBuiltInFragCoord;
vkd3d_spirv_build_op_decorate1(builder, target_id, SpvDecorationBuiltIn, builtin);
}
typedef uint32_t (*vkd3d_spirv_builtin_fixup_pfn)(struct vkd3d_dxbc_compiler *compiler,
uint32_t val_id);
/* Substitute "InstanceIndex - BaseInstance" for SV_InstanceID. */
static uint32_t vkd3d_spirv_instance_id_fixup(struct vkd3d_dxbc_compiler *compiler,
uint32_t instance_index_id)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
uint32_t base_instance_var_id, base_instance_id, type_id;
vkd3d_spirv_enable_capability(builder, SpvCapabilityDrawParameters);
/* The Vulkan spec states:
*
* "The variable decorated with BaseInstance must be declared as a scalar
* 32-bit integer.
*/
base_instance_var_id = vkd3d_dxbc_compiler_emit_variable(compiler, &builder->global_stream,
SpvStorageClassInput, VKD3D_TYPE_INT, 1);
vkd3d_spirv_add_iface_variable(builder, base_instance_var_id);
vkd3d_dxbc_compiler_decorate_builtin(compiler, base_instance_var_id, SpvBuiltInBaseInstance);
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_INT, 1);
base_instance_id = vkd3d_spirv_build_op_load(builder,
type_id, base_instance_var_id, SpvMemoryAccessMaskNone);
return vkd3d_spirv_build_op_isub(builder,
type_id, instance_index_id, base_instance_id);
}
/* The Vulkan spec says:
*
* "The variable decorated with GlobalInvocationId must be declared as a
@ -2580,6 +2645,7 @@ static const struct vkd3d_spirv_builtin
enum vkd3d_component_type component_type;
unsigned int component_count;
SpvBuiltIn spirv_builtin;
vkd3d_spirv_builtin_fixup_pfn fixup_pfn;
}
vkd3d_spirv_builtin_table[] =
{
@ -2592,7 +2658,7 @@ vkd3d_spirv_builtin_table[] =
{VKD3D_SIV_POSITION, ~0u, VKD3D_TYPE_FLOAT, 4, SpvBuiltInPosition},
{VKD3D_SIV_VERTEX_ID, ~0u, VKD3D_TYPE_INT, 1, SpvBuiltInVertexIndex},
{VKD3D_SIV_INSTANCE_ID, ~0u, VKD3D_TYPE_INT, 1, SpvBuiltInInstanceIndex},
{VKD3D_SIV_INSTANCE_ID, ~0u, VKD3D_TYPE_INT, 1, SpvBuiltInInstanceIndex, vkd3d_spirv_instance_id_fixup},
};
static const struct vkd3d_spirv_builtin *vkd3d_get_spirv_builtin(enum vkd3d_shader_register_type reg_type,
@ -2617,17 +2683,6 @@ static const struct vkd3d_spirv_builtin *vkd3d_get_spirv_builtin(enum vkd3d_shad
return NULL;
}
static void vkd3d_dxbc_compiler_decorate_builtin(struct vkd3d_dxbc_compiler *compiler,
uint32_t target_id, SpvBuiltIn builtin)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
if (compiler->shader_type == VKD3D_SHADER_TYPE_PIXEL && builtin == SpvBuiltInPosition)
builtin = SpvBuiltInFragCoord;
vkd3d_spirv_build_op_decorate1(builder, target_id, SpvDecorationBuiltIn, builtin);
}
static const struct vkd3d_shader_signature_element *vkd3d_find_signature_element_for_reg(
const struct vkd3d_shader_signature *signature, unsigned int *signature_element_index,
const struct vkd3d_shader_register *reg, DWORD write_mask)
@ -2708,6 +2763,9 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi
type_id = vkd3d_spirv_get_type_id(builder, component_type, input_component_count);
val_id = vkd3d_spirv_build_op_load(builder, type_id, input_id, SpvMemoryAccessMaskNone);
if (builtin && builtin->fixup_pfn)
val_id = builtin->fixup_pfn(compiler, val_id);
if (component_type != VKD3D_TYPE_FLOAT)
{
float_type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, input_component_count);