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[Vulkan] Point sprite geometry shader

This commit is contained in:
Triang3l 2022-07-26 16:01:20 +03:00
parent f248e23079
commit 9fa41c27bc
6 changed files with 591 additions and 94 deletions
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80
src/xenia/gpu/d3d12/d3d12_command_processor.cc
View File

@ -3160,8 +3160,6 @@ void D3D12CommandProcessor::UpdateSystemConstantValues(
const RegisterFile& regs = *register_file_;
auto pa_cl_clip_cntl = regs.Get<reg::PA_CL_CLIP_CNTL>();
auto pa_cl_vte_cntl = regs.Get<reg::PA_CL_VTE_CNTL>();
auto pa_su_point_minmax = regs.Get<reg::PA_SU_POINT_MINMAX>();
auto pa_su_point_size = regs.Get<reg::PA_SU_POINT_SIZE>();
auto pa_su_sc_mode_cntl = regs.Get<reg::PA_SU_SC_MODE_CNTL>();
float rb_alpha_ref = regs[XE_GPU_REG_RB_ALPHA_REF].f32;
auto rb_colorcontrol = regs.Get<reg::RB_COLORCONTROL>();
@ -3365,43 +3363,47 @@ void D3D12CommandProcessor::UpdateSystemConstantValues(
}
// Point size.
float point_vertex_diameter_min =
float(pa_su_point_minmax.min_size) * (2.0f / 16.0f);
float point_vertex_diameter_max =
float(pa_su_point_minmax.max_size) * (2.0f / 16.0f);
float point_constant_diameter_x =
float(pa_su_point_size.width) * (2.0f / 16.0f);
float point_constant_diameter_y =
float(pa_su_point_size.height) * (2.0f / 16.0f);
dirty |=
system_constants_.point_vertex_diameter_min != point_vertex_diameter_min;
dirty |=
system_constants_.point_vertex_diameter_max != point_vertex_diameter_max;
dirty |=
system_constants_.point_constant_diameter[0] != point_constant_diameter_x;
dirty |=
system_constants_.point_constant_diameter[1] != point_constant_diameter_y;
system_constants_.point_vertex_diameter_min = point_vertex_diameter_min;
system_constants_.point_vertex_diameter_max = point_vertex_diameter_max;
system_constants_.point_constant_diameter[0] = point_constant_diameter_x;
system_constants_.point_constant_diameter[1] = point_constant_diameter_y;
// 2 because 1 in the NDC is half of the viewport's axis, 0.5 for diameter to
// radius conversion to avoid multiplying the per-vertex diameter by an
// additional constant in the shader.
float point_screen_diameter_to_ndc_radius_x =
(/* 0.5f * 2.0f * */ float(draw_resolution_scale_x)) /
std::max(viewport_info.xy_extent[0], uint32_t(1));
float point_screen_diameter_to_ndc_radius_y =
(/* 0.5f * 2.0f * */ float(draw_resolution_scale_y)) /
std::max(viewport_info.xy_extent[1], uint32_t(1));
dirty |= system_constants_.point_screen_diameter_to_ndc_radius[0] !=
point_screen_diameter_to_ndc_radius_x;
dirty |= system_constants_.point_screen_diameter_to_ndc_radius[1] !=
point_screen_diameter_to_ndc_radius_y;
system_constants_.point_screen_diameter_to_ndc_radius[0] =
point_screen_diameter_to_ndc_radius_x;
system_constants_.point_screen_diameter_to_ndc_radius[1] =
point_screen_diameter_to_ndc_radius_y;
if (vgt_draw_initiator.prim_type == xenos::PrimitiveType::kPointList) {
auto pa_su_point_minmax = regs.Get<reg::PA_SU_POINT_MINMAX>();
auto pa_su_point_size = regs.Get<reg::PA_SU_POINT_SIZE>();
float point_vertex_diameter_min =
float(pa_su_point_minmax.min_size) * (2.0f / 16.0f);
float point_vertex_diameter_max =
float(pa_su_point_minmax.max_size) * (2.0f / 16.0f);
float point_constant_diameter_x =
float(pa_su_point_size.width) * (2.0f / 16.0f);
float point_constant_diameter_y =
float(pa_su_point_size.height) * (2.0f / 16.0f);
dirty |= system_constants_.point_vertex_diameter_min !=
point_vertex_diameter_min;
dirty |= system_constants_.point_vertex_diameter_max !=
point_vertex_diameter_max;
dirty |= system_constants_.point_constant_diameter[0] !=
point_constant_diameter_x;
dirty |= system_constants_.point_constant_diameter[1] !=
point_constant_diameter_y;
system_constants_.point_vertex_diameter_min = point_vertex_diameter_min;
system_constants_.point_vertex_diameter_max = point_vertex_diameter_max;
system_constants_.point_constant_diameter[0] = point_constant_diameter_x;
system_constants_.point_constant_diameter[1] = point_constant_diameter_y;
// 2 because 1 in the NDC is half of the viewport's axis, 0.5 for diameter
// to radius conversion to avoid multiplying the per-vertex diameter by an
// additional constant in the shader.
float point_screen_diameter_to_ndc_radius_x =
(/* 0.5f * 2.0f * */ float(draw_resolution_scale_x)) /
std::max(viewport_info.xy_extent[0], uint32_t(1));
float point_screen_diameter_to_ndc_radius_y =
(/* 0.5f * 2.0f * */ float(draw_resolution_scale_y)) /
std::max(viewport_info.xy_extent[1], uint32_t(1));
dirty |= system_constants_.point_screen_diameter_to_ndc_radius[0] !=
point_screen_diameter_to_ndc_radius_x;
dirty |= system_constants_.point_screen_diameter_to_ndc_radius[1] !=
point_screen_diameter_to_ndc_radius_y;
system_constants_.point_screen_diameter_to_ndc_radius[0] =
point_screen_diameter_to_ndc_radius_x;
system_constants_.point_screen_diameter_to_ndc_radius[1] =
point_screen_diameter_to_ndc_radius_y;
}
// Texture signedness / gamma.
bool gamma_render_target_as_srgb =

206
src/xenia/gpu/spirv_shader_translator.cc
View File

@ -106,16 +106,19 @@ void SpirvShaderTranslator::Reset() {
uniform_float_constants_ = spv::NoResult;
input_fragment_coord_ = spv::NoResult;
input_point_coordinates_ = spv::NoResult;
input_fragment_coordinates_ = spv::NoResult;
input_front_facing_ = spv::NoResult;
std::fill(input_output_interpolators_.begin(),
input_output_interpolators_.end(), spv::NoResult);
output_point_size_ = spv::NoResult;
sampler_bindings_.clear();
texture_bindings_.clear();
main_interface_.clear();
var_main_registers_ = spv::NoResult;
var_main_point_size_edge_flag_kill_vertex_ = spv::NoResult;
main_switch_op_.reset();
main_switch_next_pc_phi_operands_.clear();
@ -230,7 +233,16 @@ void SpirvShaderTranslator::StartTranslation() {
{"vertex_base_index", offsetof(SystemConstants, vertex_base_index),
type_int_},
{"ndc_scale", offsetof(SystemConstants, ndc_scale), type_float3_},
{"point_vertex_diameter_min",
offsetof(SystemConstants, point_vertex_diameter_min), type_float_},
{"ndc_offset", offsetof(SystemConstants, ndc_offset), type_float3_},
{"point_vertex_diameter_max",
offsetof(SystemConstants, point_vertex_diameter_max), type_float_},
{"point_constant_diameter",
offsetof(SystemConstants, point_constant_diameter), type_float2_},
{"point_screen_diameter_to_ndc_radius",
offsetof(SystemConstants, point_screen_diameter_to_ndc_radius),
type_float2_},
{"texture_swizzled_signs",
offsetof(SystemConstants, texture_swizzled_signs), type_uint4_array_2},
{"texture_swizzles", offsetof(SystemConstants, texture_swizzles),
@ -1063,9 +1075,10 @@ void SpirvShaderTranslator::StartVertexOrTessEvalShaderBeforeMain() {
main_interface_.push_back(input_vertex_index_);
}
uint32_t output_location = 0;
// Create the interpolator outputs.
{
uint32_t interpolator_location = 0;
uint32_t interpolators_remaining = GetModificationInterpolatorMask();
uint32_t interpolator_index;
while (xe::bit_scan_forward(interpolators_remaining, &interpolator_index)) {
@ -1075,13 +1088,29 @@ void SpirvShaderTranslator::StartVertexOrTessEvalShaderBeforeMain() {
fmt::format("xe_out_interpolator_{}", interpolator_index).c_str());
input_output_interpolators_[interpolator_index] = interpolator;
builder_->addDecoration(interpolator, spv::DecorationLocation,
int(interpolator_location));
int(output_location));
builder_->addDecoration(interpolator, spv::DecorationInvariant);
main_interface_.push_back(interpolator);
++interpolator_location;
++output_location;
}
}
Modification shader_modification = GetSpirvShaderModification();
// Create the point size output. Not using gl_PointSize from gl_PerVertex not
// to rely on the shaderTessellationAndGeometryPointSize feature, and also
// because the value written to gl_PointSize must be greater than zero.
if (shader_modification.vertex.output_point_size) {
output_point_size_ =
builder_->createVariable(spv::NoPrecision, spv::StorageClassOutput,
type_float_, "xe_out_point_size");
builder_->addDecoration(output_point_size_, spv::DecorationLocation,
int(output_location));
builder_->addDecoration(output_point_size_, spv::DecorationInvariant);
main_interface_.push_back(output_point_size_);
++output_location;
}
// Create the gl_PerVertex output for used system outputs.
std::vector<spv::Id> struct_per_vertex_members;
struct_per_vertex_members.reserve(kOutputPerVertexMemberCount);
@ -1103,9 +1132,23 @@ void SpirvShaderTranslator::StartVertexOrTessEvalShaderBeforeMain() {
}
void SpirvShaderTranslator::StartVertexOrTessEvalShaderInMain() {
var_main_point_size_edge_flag_kill_vertex_ = builder_->createVariable(
spv::NoPrecision, spv::StorageClassFunction, type_float3_,
"xe_var_point_size_edge_flag_kill_vertex");
// The edge flag isn't used for any purpose by the translator.
if (current_shader().writes_point_size_edge_flag_kill_vertex() & 0b101) {
id_vector_temp_.clear();
id_vector_temp_.reserve(3);
// Set the point size to a negative value to tell the point sprite expansion
// that it should use the default point size if the vertex shader does not
// override it.
id_vector_temp_.push_back(builder_->makeFloatConstant(-1.0f));
// The edge flag is ignored.
id_vector_temp_.push_back(const_float_0_);
// Don't kill by default (zero bits 0:30).
id_vector_temp_.push_back(const_float_0_);
var_main_point_size_edge_flag_kill_vertex_ = builder_->createVariable(
spv::NoPrecision, spv::StorageClassFunction, type_float3_,
"xe_var_point_size_edge_flag_kill_vertex",
builder_->makeCompositeConstant(type_float3_, id_vector_temp_));
}
// Zero general-purpose registers to prevent crashes when the game
// references them after only initializing them conditionally.
@ -1352,13 +1395,35 @@ void SpirvShaderTranslator::CompleteVertexOrTessEvalShaderInMain() {
std::move(composite_construct_op));
}
builder_->createStore(position, position_ptr);
// Write the point size.
if (output_point_size_ != spv::NoResult) {
spv::Id point_size;
if (current_shader().writes_point_size_edge_flag_kill_vertex() & 0b001) {
assert_true(var_main_point_size_edge_flag_kill_vertex_ != spv::NoResult);
id_vector_temp_.clear();
// X vector component.
id_vector_temp_.push_back(const_int_0_);
point_size = builder_->createLoad(
builder_->createAccessChain(
spv::StorageClassFunction,
var_main_point_size_edge_flag_kill_vertex_, id_vector_temp_),
spv::NoPrecision);
} else {
// Not statically overridden - write a negative value.
point_size = builder_->makeFloatConstant(-1.0f);
}
builder_->createStore(point_size, output_point_size_);
}
}
void SpirvShaderTranslator::StartFragmentShaderBeforeMain() {
// Interpolator inputs.
Modification shader_modification = GetSpirvShaderModification();
uint32_t input_location = 0;
// Interpolator inputs.
{
uint32_t interpolator_location = 0;
uint32_t interpolators_remaining = GetModificationInterpolatorMask();
uint32_t interpolator_index;
while (xe::bit_scan_forward(interpolators_remaining, &interpolator_index)) {
@ -1368,28 +1433,41 @@ void SpirvShaderTranslator::StartFragmentShaderBeforeMain() {
fmt::format("xe_in_interpolator_{}", interpolator_index).c_str());
input_output_interpolators_[interpolator_index] = interpolator;
builder_->addDecoration(interpolator, spv::DecorationLocation,
int(interpolator_location));
int(input_location));
if (shader_modification.pixel.interpolators_centroid &
(UINT32_C(1) << interpolator_index)) {
builder_->addDecoration(interpolator, spv::DecorationCentroid);
}
main_interface_.push_back(interpolator);
++interpolator_location;
++input_location;
}
}
bool param_gen_needed = GetPsParamGenInterpolator() != UINT32_MAX;
// Point coordinate input.
if (shader_modification.pixel.param_gen_point) {
if (param_gen_needed) {
input_point_coordinates_ =
builder_->createVariable(spv::NoPrecision, spv::StorageClassInput,
type_float2_, "xe_in_point_coordinates");
builder_->addDecoration(input_point_coordinates_, spv::DecorationLocation,
int(input_location));
main_interface_.push_back(input_point_coordinates_);
}
++input_location;
}
// Fragment coordinates.
// TODO(Triang3l): More conditions - fragment shader interlock render backend,
// alpha to coverage (if RT 0 is written, and there's no early depth /
// stencil), depth writing in the fragment shader (per-sample if supported).
if (param_gen_needed) {
input_fragment_coord_ = builder_->createVariable(
input_fragment_coordinates_ = builder_->createVariable(
spv::NoPrecision, spv::StorageClassInput, type_float4_, "gl_FragCoord");
builder_->addDecoration(input_fragment_coord_, spv::DecorationBuiltIn,
builder_->addDecoration(input_fragment_coordinates_, spv::DecorationBuiltIn,
spv::BuiltInFragCoord);
main_interface_.push_back(input_fragment_coord_);
main_interface_.push_back(input_fragment_coordinates_);
}
// Is front facing.
@ -1473,13 +1551,14 @@ void SpirvShaderTranslator::StartFragmentShaderInMain() {
spv::Id const_sign_bit = builder_->makeUintConstant(UINT32_C(1) << 31);
// TODO(Triang3l): Resolution scale inversion.
// X - pixel X .0 in the magnitude, is back-facing in the sign bit.
assert_true(input_fragment_coord_ != spv::NoResult);
assert_true(input_fragment_coordinates_ != spv::NoResult);
id_vector_temp_.clear();
id_vector_temp_.push_back(const_int_0_);
spv::Id param_gen_x = builder_->createLoad(
builder_->createAccessChain(spv::StorageClassInput,
input_fragment_coord_, id_vector_temp_),
spv::NoPrecision);
spv::Id param_gen_x =
builder_->createLoad(builder_->createAccessChain(
spv::StorageClassInput,
input_fragment_coordinates_, id_vector_temp_),
spv::NoPrecision);
id_vector_temp_.clear();
id_vector_temp_.push_back(param_gen_x);
param_gen_x = builder_->createBuiltinCall(
@ -1514,10 +1593,11 @@ void SpirvShaderTranslator::StartFragmentShaderInMain() {
// Y - pixel Y .0 in the magnitude, is point in the sign bit.
id_vector_temp_.clear();
id_vector_temp_.push_back(builder_->makeIntConstant(1));
spv::Id param_gen_y = builder_->createLoad(
builder_->createAccessChain(spv::StorageClassInput,
input_fragment_coord_, id_vector_temp_),
spv::NoPrecision);
spv::Id param_gen_y =
builder_->createLoad(builder_->createAccessChain(
spv::StorageClassInput,
input_fragment_coordinates_, id_vector_temp_),
spv::NoPrecision);
id_vector_temp_.clear();
id_vector_temp_.push_back(param_gen_y);
param_gen_y = builder_->createBuiltinCall(
@ -1535,10 +1615,16 @@ void SpirvShaderTranslator::StartFragmentShaderInMain() {
const_sign_bit));
}
// Z - point S in the magnitude, is line in the sign bit.
spv::Id param_gen_z;
// W - point T in the magnitude.
spv::Id param_gen_z, param_gen_w;
if (modification.pixel.param_gen_point) {
// TODO(Triang3l): Point coordinates.
param_gen_z = const_float_0_;
assert_true(input_point_coordinates_ != spv::NoResult);
spv::Id param_gen_point_coordinates =
builder_->createLoad(input_point_coordinates_, spv::NoPrecision);
param_gen_z = builder_->createCompositeExtract(
param_gen_point_coordinates, type_float_, 0);
param_gen_w = builder_->createCompositeExtract(
param_gen_point_coordinates, type_float_, 1);
} else {
param_gen_z = builder_->createUnaryOp(
spv::OpBitcast, type_float_,
@ -1552,10 +1638,8 @@ void SpirvShaderTranslator::StartFragmentShaderInMain() {
builder_->makeUintConstant(kSysFlag_PrimitiveLine)),
const_uint_0_),
const_sign_bit, const_uint_0_));
param_gen_w = const_float_0_;
}
// W - point T in the magnitude.
// TODO(Triang3l): Point coordinates.
spv::Id param_gen_w = const_float_0_;
// Store the pixel parameters.
id_vector_temp_.clear();
id_vector_temp_.reserve(4);
@ -1927,15 +2011,20 @@ void SpirvShaderTranslator::StoreResult(const InstructionResult& result,
target_pointer = input_output_interpolators_[result.storage_index];
// Unused interpolators are spv::NoResult in input_output_interpolators_.
} break;
case InstructionStorageTarget::kPosition:
case InstructionStorageTarget::kPosition: {
assert_true(is_vertex_shader());
id_vector_temp_util_.clear();
id_vector_temp_util_.push_back(
builder_->makeIntConstant(kOutputPerVertexMemberPosition));
target_pointer = builder_->createAccessChain(
spv::StorageClassOutput, output_per_vertex_, id_vector_temp_util_);
break;
case InstructionStorageTarget::kColor:
} break;
case InstructionStorageTarget::kPointSizeEdgeFlagKillVertex: {
assert_true(is_vertex_shader());
assert_zero(used_write_mask & 0b1000);
target_pointer = var_main_point_size_edge_flag_kill_vertex_;
} break;
case InstructionStorageTarget::kColor: {
assert_true(is_pixel_shader());
assert_not_zero(used_write_mask);
assert_true(current_shader().writes_color_target(result.storage_index));
@ -1944,7 +2033,7 @@ void SpirvShaderTranslator::StoreResult(const InstructionResult& result,
// an empty write mask without independent blending.
// TODO(Triang3l): Store the alpha of the first output in this case for
// alpha test and alpha to coverage.
break;
} break;
default:
// TODO(Triang3l): All storage targets.
break;
@ -2179,6 +2268,57 @@ void SpirvShaderTranslator::StoreResult(const InstructionResult& result,
}
}
}
if (result.storage_target ==
InstructionStorageTarget::kPointSizeEdgeFlagKillVertex &&
used_write_mask & 0b001) {
// Make the point size non-negative as negative is used to indicate that the
// default size must be used, and also clamp it to the bounds the way the
// R400 (Adreno 200, to be more precise) hardware clamps it (functionally
// like a signed 32-bit integer, -NaN and -Infinity...-0 to the minimum,
// +NaN to the maximum).
spv::Id point_size = builder_->createUnaryOp(
spv::OpBitcast, type_int_,
builder_->createCompositeExtract(value_to_store, type_float_, 0));
id_vector_temp_util_.clear();
id_vector_temp_util_.push_back(
builder_->makeIntConstant(kSystemConstantPointVertexDiameterMin));
spv::Id point_vertex_diameter_min = builder_->createUnaryOp(
spv::OpBitcast, type_int_,
builder_->createLoad(
builder_->createAccessChain(spv::StorageClassUniform,
uniform_system_constants_,
id_vector_temp_util_),
spv::NoPrecision));
id_vector_temp_util_.clear();
id_vector_temp_util_.reserve(2);
id_vector_temp_util_.push_back(point_vertex_diameter_min);
id_vector_temp_util_.push_back(point_size);
point_size =
builder_->createBuiltinCall(type_int_, ext_inst_glsl_std_450_,
GLSLstd450SMax, id_vector_temp_util_);
id_vector_temp_util_.clear();
id_vector_temp_util_.push_back(
builder_->makeIntConstant(kSystemConstantPointVertexDiameterMax));
spv::Id point_vertex_diameter_max = builder_->createUnaryOp(
spv::OpBitcast, type_int_,
builder_->createLoad(
builder_->createAccessChain(spv::StorageClassUniform,
uniform_system_constants_,
id_vector_temp_util_),
spv::NoPrecision));
id_vector_temp_util_.clear();
id_vector_temp_util_.reserve(2);
id_vector_temp_util_.push_back(point_vertex_diameter_max);
id_vector_temp_util_.push_back(point_size);
point_size =
builder_->createBuiltinCall(type_int_, ext_inst_glsl_std_450_,
GLSLstd450SMin, id_vector_temp_util_);
value_to_store = builder_->createCompositeInsert(
builder_->createUnaryOp(spv::OpBitcast, type_float_, point_size),
value_to_store, type_float3_, 0);
}
builder_->createStore(value_to_store, target_pointer);
}

23
src/xenia/gpu/spirv_shader_translator.h
View File

@ -34,7 +34,7 @@ class SpirvShaderTranslator : public ShaderTranslator {
// TODO(Triang3l): Change to 0xYYYYMMDD once it's out of the rapid
// prototyping stage (easier to do small granular updates with an
// incremental counter).
static constexpr uint32_t kVersion = 5;
static constexpr uint32_t kVersion = 6;
enum class DepthStencilMode : uint32_t {
kNoModifiers,
@ -50,6 +50,7 @@ class SpirvShaderTranslator : public ShaderTranslator {
// Interpolators written by the vertex shader and needed by the pixel
// shader.
uint32_t interpolator_mask : xenos::kMaxInterpolators;
uint32_t output_point_size : 1;
// Dynamically indexable register count from SQ_PROGRAM_CNTL.
uint32_t dynamic_addressable_register_count : 8;
// Pipeline stage and input configuration.
@ -145,10 +146,15 @@ class SpirvShaderTranslator : public ShaderTranslator {
int32_t vertex_base_index;
float ndc_scale[3];
uint32_t padding_ndc_scale;
float point_vertex_diameter_min;
float ndc_offset[3];
uint32_t padding_ndc_offset;
float point_vertex_diameter_max;
float point_constant_diameter[2];
// Diameter in guest screen coordinates > radius (0.5 * diameter) in the NDC
// for the host viewport.
float point_screen_diameter_to_ndc_radius[2];
// Each byte contains post-swizzle TextureSign values for each of the needed
// components of each of the 32 used texture fetch constants.
@ -603,7 +609,11 @@ class SpirvShaderTranslator : public ShaderTranslator {
kSystemConstantVertexIndexEndian,
kSystemConstantVertexBaseIndex,
kSystemConstantNdcScale,
kSystemConstantPointVertexDiameterMin,
kSystemConstantNdcOffset,
kSystemConstantPointVertexDiameterMax,
kSystemConstantPointConstantDiameter,
kSystemConstantPointScreenDiameterToNdcRadius,
kSystemConstantTextureSwizzledSigns,
kSystemConstantTextureSwizzles,
kSystemConstantAlphaTestReference,
@ -627,8 +637,10 @@ class SpirvShaderTranslator : public ShaderTranslator {
spv::Id input_vertex_index_;
// VS as TES only - int.
spv::Id input_primitive_id_;
// PS, only when needed - float2.
spv::Id input_point_coordinates_;
// PS, only when needed - float4.
spv::Id input_fragment_coord_;
spv::Id input_fragment_coordinates_;
// PS, only when needed - bool.
spv::Id input_front_facing_;
@ -643,6 +655,9 @@ class SpirvShaderTranslator : public ShaderTranslator {
// all).
std::array<spv::Id, xenos::kMaxInterpolators> input_output_interpolators_;
// VS, only when needed - float.
spv::Id output_point_size_;
enum OutputPerVertexMember : unsigned int {
kOutputPerVertexMemberPosition,
kOutputPerVertexMemberCount,

43
src/xenia/gpu/vulkan/vulkan_command_processor.cc
View File

@ -3482,6 +3482,49 @@ void VulkanCommandProcessor::UpdateSystemConstantValues(
system_constants_.ndc_offset[i] = viewport_info.ndc_offset[i];
}
// Point size.
if (vgt_draw_initiator.prim_type == xenos::PrimitiveType::kPointList) {
auto pa_su_point_minmax = regs.Get<reg::PA_SU_POINT_MINMAX>();
auto pa_su_point_size = regs.Get<reg::PA_SU_POINT_SIZE>();
float point_vertex_diameter_min =
float(pa_su_point_minmax.min_size) * (2.0f / 16.0f);
float point_vertex_diameter_max =
float(pa_su_point_minmax.max_size) * (2.0f / 16.0f);
float point_constant_diameter_x =
float(pa_su_point_size.width) * (2.0f / 16.0f);
float point_constant_diameter_y =
float(pa_su_point_size.height) * (2.0f / 16.0f);
dirty |= system_constants_.point_vertex_diameter_min !=
point_vertex_diameter_min;
dirty |= system_constants_.point_vertex_diameter_max !=
point_vertex_diameter_max;
dirty |= system_constants_.point_constant_diameter[0] !=
point_constant_diameter_x;
dirty |= system_constants_.point_constant_diameter[1] !=
point_constant_diameter_y;
system_constants_.point_vertex_diameter_min = point_vertex_diameter_min;
system_constants_.point_vertex_diameter_max = point_vertex_diameter_max;
system_constants_.point_constant_diameter[0] = point_constant_diameter_x;
system_constants_.point_constant_diameter[1] = point_constant_diameter_y;
// 2 because 1 in the NDC is half of the viewport's axis, 0.5 for diameter
// to radius conversion to avoid multiplying the per-vertex diameter by an
// additional constant in the shader.
float point_screen_diameter_to_ndc_radius_x =
(/* 0.5f * 2.0f * */ float(texture_cache_->draw_resolution_scale_x())) /
std::max(viewport_info.xy_extent[0], uint32_t(1));
float point_screen_diameter_to_ndc_radius_y =
(/* 0.5f * 2.0f * */ float(texture_cache_->draw_resolution_scale_y())) /
std::max(viewport_info.xy_extent[1], uint32_t(1));
dirty |= system_constants_.point_screen_diameter_to_ndc_radius[0] !=
point_screen_diameter_to_ndc_radius_x;
dirty |= system_constants_.point_screen_diameter_to_ndc_radius[1] !=
point_screen_diameter_to_ndc_radius_y;
system_constants_.point_screen_diameter_to_ndc_radius[0] =
point_screen_diameter_to_ndc_radius_x;
system_constants_.point_screen_diameter_to_ndc_radius[1] =
point_screen_diameter_to_ndc_radius_y;
}
// Texture signedness / gamma.
{
uint32_t textures_remaining = used_texture_mask;

331
src/xenia/gpu/vulkan/vulkan_pipeline_cache.cc
View File

@ -133,6 +133,11 @@ VulkanPipelineCache::GetCurrentVertexShaderModification(
modification.vertex.interpolator_mask = interpolator_mask;
modification.vertex.output_point_size =
uint32_t((shader.writes_point_size_edge_flag_kill_vertex() & 0b001) &&
regs.Get<reg::VGT_DRAW_INITIATOR>().prim_type ==
xenos::PrimitiveType::kPointList);
return modification;
}
@ -284,6 +289,8 @@ bool VulkanPipelineCache::ConfigurePipeline(
if (GetGeometryShaderKey(
description.geometry_shader,
SpirvShaderTranslator::Modification(vertex_shader->modification()),
SpirvShaderTranslator::Modification(
pixel_shader ? pixel_shader->modification() : 0),
geometry_shader_key)) {
geometry_shader = GetGeometryShader(geometry_shader_key);
if (geometry_shader == VK_NULL_HANDLE) {
@ -496,6 +503,7 @@ bool VulkanPipelineCache::GetCurrentStateDescription(
PipelinePrimitiveTopology primitive_topology;
switch (primitive_processing_result.host_primitive_type) {
case xenos::PrimitiveType::kPointList:
geometry_shader = PipelineGeometryShader::kPointList;
primitive_topology = PipelinePrimitiveTopology::kPointList;
break;
case xenos::PrimitiveType::kLineList:
@ -815,6 +823,7 @@ bool VulkanPipelineCache::ArePipelineRequirementsMet(
bool VulkanPipelineCache::GetGeometryShaderKey(
PipelineGeometryShader geometry_shader_type,
SpirvShaderTranslator::Modification vertex_shader_modification,
SpirvShaderTranslator::Modification pixel_shader_modification,
GeometryShaderKey& key_out) {
if (geometry_shader_type == PipelineGeometryShader::kNone) {
return false;
@ -831,10 +840,8 @@ bool VulkanPipelineCache::GetGeometryShaderKey(
/* vertex_shader_modification.vertex.user_clip_plane_cull */ 0;
key.has_vertex_kill_and =
/* vertex_shader_modification.vertex.vertex_kill_and */ 0;
key.has_point_size =
/* vertex_shader_modification.vertex.output_point_size */ 0;
key.has_point_coordinates =
/* pixel_shader_modification.pixel.param_gen_point */ 0;
key.has_point_size = vertex_shader_modification.vertex.output_point_size;
key.has_point_coordinates = pixel_shader_modification.pixel.param_gen_point;
key_out = key;
return true;
}
@ -853,6 +860,13 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
spv::ExecutionMode output_primitive_execution_mode = spv::ExecutionMode(0);
uint32_t output_max_vertices = 0;
switch (key.type) {
case PipelineGeometryShader::kPointList:
// Point to a strip of 2 triangles.
input_primitive_execution_mode = spv::ExecutionModeInputPoints;
input_primitive_vertex_count = 1;
output_primitive_execution_mode = spv::ExecutionModeOutputTriangleStrip;
output_max_vertices = 4;
break;
case PipelineGeometryShader::kRectangleList:
// Triangle to a strip of 2 triangles.
input_primitive_execution_mode = spv::ExecutionModeTriangles;
@ -901,6 +915,7 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
spv::Id type_bool4 = builder.makeVectorType(type_bool, 4);
spv::Id type_int = builder.makeIntType(32);
spv::Id type_float = builder.makeFloatType(32);
spv::Id type_float2 = builder.makeVectorType(type_float, 2);
spv::Id type_float4 = builder.makeVectorType(type_float, 4);
spv::Id type_clip_distances =
clip_distance_count
@ -912,9 +927,54 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
? builder.makeArrayType(
type_float, builder.makeUintConstant(cull_distance_count), 0)
: spv::NoType;
spv::Id type_point_coordinates = key.has_point_coordinates
? builder.makeVectorType(type_float, 2)
: spv::NoType;
// System constants.
// For points:
// - float2 point_constant_diameter
// - float2 point_screen_diameter_to_ndc_radius
enum PointConstant : uint32_t {
kPointConstantConstantDiameter,
kPointConstantScreenDiameterToNdcRadius,
kPointConstantCount,
};
spv::Id type_system_constants = spv::NoType;
if (key.type == PipelineGeometryShader::kPointList) {
id_vector_temp.clear();
id_vector_temp.resize(kPointConstantCount);
id_vector_temp[kPointConstantConstantDiameter] = type_float2;
id_vector_temp[kPointConstantScreenDiameterToNdcRadius] = type_float2;
type_system_constants =
builder.makeStructType(id_vector_temp, "XeSystemConstants");
builder.addMemberName(type_system_constants, kPointConstantConstantDiameter,
"point_constant_diameter");
builder.addMemberDecoration(
type_system_constants, kPointConstantConstantDiameter,
spv::DecorationOffset,
int(offsetof(SpirvShaderTranslator::SystemConstants,
point_constant_diameter)));
builder.addMemberName(type_system_constants,
kPointConstantScreenDiameterToNdcRadius,
"point_screen_diameter_to_ndc_radius");
builder.addMemberDecoration(
type_system_constants, kPointConstantScreenDiameterToNdcRadius,
spv::DecorationOffset,
int(offsetof(SpirvShaderTranslator::SystemConstants,
point_screen_diameter_to_ndc_radius)));
}
spv::Id uniform_system_constants = spv::NoResult;
if (type_system_constants != spv::NoType) {
builder.addDecoration(type_system_constants, spv::DecorationBlock);
uniform_system_constants = builder.createVariable(
spv::NoPrecision, spv::StorageClassUniform, type_system_constants,
"xe_uniform_system_constants");
builder.addDecoration(uniform_system_constants,
spv::DecorationDescriptorSet,
int(SpirvShaderTranslator::kDescriptorSetConstants));
builder.addDecoration(uniform_system_constants, spv::DecorationBinding,
int(SpirvShaderTranslator::kConstantBufferSystem));
// Generating SPIR-V 1.0, no need to add bindings to the entry point's
// interface until SPIR-V 1.4.
}
// Inputs and outputs - matching glslang order, in gl_PerVertex gl_in[],
// user-defined outputs, user-defined inputs, out gl_PerVertex.
@ -977,6 +1037,8 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
type_array_in_gl_per_vertex, "gl_in");
main_interface.push_back(in_gl_per_vertex);
uint32_t output_location = 0;
// Interpolators outputs.
std::array<spv::Id, xenos::kMaxInterpolators> out_interpolators;
for (uint32_t i = 0; i < key.interpolator_count; ++i) {
@ -984,23 +1046,28 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
spv::NoPrecision, spv::StorageClassOutput, type_float4,
fmt::format("xe_out_interpolator_{}", i).c_str());
out_interpolators[i] = out_interpolator;
builder.addDecoration(out_interpolator, spv::DecorationLocation, i);
builder.addDecoration(out_interpolator, spv::DecorationLocation,
int(output_location));
builder.addDecoration(out_interpolator, spv::DecorationInvariant);
main_interface.push_back(out_interpolator);
++output_location;
}
// Point coordinate output.
spv::Id out_point_coordinates = spv::NoResult;
if (key.has_point_coordinates) {
out_point_coordinates = builder.createVariable(
spv::NoPrecision, spv::StorageClassOutput, type_point_coordinates,
"xe_out_point_coordinates");
out_point_coordinates =
builder.createVariable(spv::NoPrecision, spv::StorageClassOutput,
type_float2, "xe_out_point_coordinates");
builder.addDecoration(out_point_coordinates, spv::DecorationLocation,
key.interpolator_count);
int(output_location));
builder.addDecoration(out_point_coordinates, spv::DecorationInvariant);
main_interface.push_back(out_point_coordinates);
++output_location;
}
uint32_t input_location = 0;
// Interpolator inputs.
std::array<spv::Id, xenos::kMaxInterpolators> in_interpolators;
for (uint32_t i = 0; i < key.interpolator_count; ++i) {
@ -1010,8 +1077,10 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
0),
fmt::format("xe_in_interpolator_{}", i).c_str());
in_interpolators[i] = in_interpolator;
builder.addDecoration(in_interpolator, spv::DecorationLocation, i);
builder.addDecoration(in_interpolator, spv::DecorationLocation,
int(input_location));
main_interface.push_back(in_interpolator);
++input_location;
}
// Point size input.
@ -1023,8 +1092,9 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
0),
"xe_in_point_size");
builder.addDecoration(in_point_size, spv::DecorationLocation,
key.interpolator_count);
int(input_location));
main_interface.push_back(in_point_size);
++input_location;
}
// out gl_PerVertex.
@ -1198,6 +1268,231 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
}
switch (key.type) {
case PipelineGeometryShader::kPointList: {
// Expand the point sprite, with left-to-right, top-to-bottom UVs.
spv::Id const_int_0 = builder.makeIntConstant(0);
spv::Id const_int_1 = builder.makeIntConstant(1);
spv::Id const_float_0 = builder.makeFloatConstant(0.0f);
// Load the point diameter in guest pixels.
id_vector_temp.clear();
id_vector_temp.reserve(2);
id_vector_temp.push_back(
builder.makeIntConstant(int32_t(kPointConstantConstantDiameter)));
id_vector_temp.push_back(const_int_0);
spv::Id point_guest_diameter_x = builder.createLoad(
builder.createAccessChain(spv::StorageClassUniform,
uniform_system_constants, id_vector_temp),
spv::NoPrecision);
id_vector_temp.back() = const_int_1;
spv::Id point_guest_diameter_y = builder.createLoad(
builder.createAccessChain(spv::StorageClassUniform,
uniform_system_constants, id_vector_temp),
spv::NoPrecision);
if (key.has_point_size) {
// The vertex shader's header writes -1.0 to point_size by default, so
// any non-negative value means that it was overwritten by the
// translated vertex shader, and needs to be used instead of the
// constant size. The per-vertex diameter is already clamped in the
// vertex shader (combined with making it non-negative).
id_vector_temp.clear();
// 0 is the input primitive vertex index.
id_vector_temp.push_back(const_int_0);
spv::Id point_vertex_diameter = builder.createLoad(
builder.createAccessChain(spv::StorageClassInput, in_point_size,
id_vector_temp),
spv::NoPrecision);
spv::Id point_vertex_diameter_written =
builder.createBinOp(spv::OpFOrdGreaterThanEqual, type_bool,
point_vertex_diameter, const_float_0);
point_guest_diameter_x = builder.createTriOp(
spv::OpSelect, type_float, point_vertex_diameter_written,
point_vertex_diameter, point_guest_diameter_x);
point_guest_diameter_y = builder.createTriOp(
spv::OpSelect, type_float, point_vertex_diameter_written,
point_vertex_diameter, point_guest_diameter_y);
}
// 4D5307F1 has zero-size snowflakes, drop them quicker, and also drop
// points with a constant size of zero since point lists may also be used
// as just "compute" with memexport.
spv::Id point_size_not_zero = builder.createBinOp(
spv::OpLogicalAnd, type_bool,
builder.createBinOp(spv::OpFOrdGreaterThan, type_bool,
point_guest_diameter_x, const_float_0),
builder.createBinOp(spv::OpFOrdGreaterThan, type_bool,
point_guest_diameter_y, const_float_0));
spv::Block& point_size_zero_predecessor = *builder.getBuildPoint();
spv::Block& point_size_zero_then_block = builder.makeNewBlock();
spv::Block& point_size_zero_merge_block = builder.makeNewBlock();
{
std::unique_ptr<spv::Instruction> selection_merge_op(
std::make_unique<spv::Instruction>(spv::OpSelectionMerge));
selection_merge_op->addIdOperand(point_size_zero_merge_block.getId());
selection_merge_op->addImmediateOperand(
spv::SelectionControlDontFlattenMask);
point_size_zero_predecessor.addInstruction(
std::move(selection_merge_op));
}
{
std::unique_ptr<spv::Instruction> branch_conditional_op(
std::make_unique<spv::Instruction>(spv::OpBranchConditional));
branch_conditional_op->addIdOperand(point_size_not_zero);
branch_conditional_op->addIdOperand(
point_size_zero_merge_block.getId());
branch_conditional_op->addIdOperand(point_size_zero_then_block.getId());
branch_conditional_op->addImmediateOperand(2);
branch_conditional_op->addImmediateOperand(1);
point_size_zero_predecessor.addInstruction(
std::move(branch_conditional_op));
}
point_size_zero_then_block.addPredecessor(&point_size_zero_predecessor);
point_size_zero_merge_block.addPredecessor(&point_size_zero_predecessor);
builder.setBuildPoint(&point_size_zero_then_block);
builder.createNoResultOp(spv::OpReturn);
builder.setBuildPoint(&point_size_zero_merge_block);
// Transform the diameter in the guest screen coordinates to radius in the
// normalized device coordinates, and then to the clip space by
// multiplying by W.
id_vector_temp.clear();
id_vector_temp.reserve(2);
id_vector_temp.push_back(builder.makeIntConstant(
int32_t(kPointConstantScreenDiameterToNdcRadius)));
id_vector_temp.push_back(const_int_0);
spv::Id point_radius_x = builder.createBinOp(
spv::OpFMul, type_float, point_guest_diameter_x,
builder.createLoad(builder.createAccessChain(spv::StorageClassUniform,
uniform_system_constants,
id_vector_temp),
spv::NoPrecision));
builder.addDecoration(point_radius_x, spv::DecorationNoContraction);
id_vector_temp.back() = const_int_1;
spv::Id point_radius_y = builder.createBinOp(
spv::OpFMul, type_float, point_guest_diameter_y,
builder.createLoad(builder.createAccessChain(spv::StorageClassUniform,
uniform_system_constants,
id_vector_temp),
spv::NoPrecision));
builder.addDecoration(point_radius_y, spv::DecorationNoContraction);
id_vector_temp.clear();
id_vector_temp.reserve(2);
// 0 is the input primitive vertex index.
id_vector_temp.push_back(const_int_0);
id_vector_temp.push_back(const_member_in_gl_per_vertex_position);
spv::Id point_position = builder.createLoad(
builder.createAccessChain(spv::StorageClassInput, in_gl_per_vertex,
id_vector_temp),
spv::NoPrecision);
spv::Id point_w =
builder.createCompositeExtract(point_position, type_float, 3);
point_radius_x =
builder.createBinOp(spv::OpFMul, type_float, point_radius_x, point_w);
builder.addDecoration(point_radius_x, spv::DecorationNoContraction);
point_radius_y =
builder.createBinOp(spv::OpFMul, type_float, point_radius_y, point_w);
builder.addDecoration(point_radius_y, spv::DecorationNoContraction);
// Load the inputs for the guest point.
// Interpolators.
std::array<spv::Id, xenos::kMaxInterpolators> point_interpolators;
id_vector_temp.clear();
// 0 is the input primitive vertex index.
id_vector_temp.push_back(const_int_0);
for (uint32_t i = 0; i < key.interpolator_count; ++i) {
point_interpolators[i] = builder.createLoad(
builder.createAccessChain(spv::StorageClassInput,
in_interpolators[i], id_vector_temp),
spv::NoPrecision);
}
// Positions.
spv::Id point_x =
builder.createCompositeExtract(point_position, type_float, 0);
spv::Id point_y =
builder.createCompositeExtract(point_position, type_float, 1);
std::array<spv::Id, 2> point_edge_x, point_edge_y;
for (uint32_t i = 0; i < 2; ++i) {
spv::Op point_radius_add_op = i ? spv::OpFAdd : spv::OpFSub;
point_edge_x[i] = builder.createBinOp(point_radius_add_op, type_float,
point_x, point_radius_x);
builder.addDecoration(point_edge_x[i], spv::DecorationNoContraction);
point_edge_y[i] = builder.createBinOp(point_radius_add_op, type_float,
point_y, point_radius_y);
builder.addDecoration(point_edge_y[i], spv::DecorationNoContraction);
};
spv::Id point_z =
builder.createCompositeExtract(point_position, type_float, 2);
// Clip distances.
spv::Id point_clip_distances = spv::NoResult;
if (clip_distance_count) {
id_vector_temp.clear();
id_vector_temp.reserve(2);
// 0 is the input primitive vertex index.
id_vector_temp.push_back(const_int_0);
id_vector_temp.push_back(const_member_in_gl_per_vertex_clip_distance);
point_clip_distances = builder.createLoad(
builder.createAccessChain(spv::StorageClassInput, in_gl_per_vertex,
id_vector_temp),
spv::NoPrecision);
}
for (uint32_t i = 0; i < 4; ++i) {
// Same interpolators for the entire sprite.
for (uint32_t j = 0; j < key.interpolator_count; ++j) {
builder.createStore(point_interpolators[j], out_interpolators[j]);
}
// Top-left, bottom-left, top-right, bottom-right order (chosen
// arbitrarily, simply based on counterclockwise meaning front with
// frontFace = VkFrontFace(0), but faceness is ignored for non-polygon
// primitive types).
uint32_t point_vertex_x = i >> 1;
uint32_t point_vertex_y = i & 1;
// Point coordinates.
if (key.has_point_coordinates) {
id_vector_temp.clear();
id_vector_temp.reserve(2);
id_vector_temp.push_back(
builder.makeFloatConstant(float(point_vertex_x)));
id_vector_temp.push_back(
builder.makeFloatConstant(float(point_vertex_y)));
builder.createStore(
builder.makeCompositeConstant(type_float2, id_vector_temp),
out_point_coordinates);
}
// Position.
id_vector_temp.clear();
id_vector_temp.reserve(4);
id_vector_temp.push_back(point_edge_x[point_vertex_x]);
id_vector_temp.push_back(point_edge_y[point_vertex_y]);
id_vector_temp.push_back(point_z);
id_vector_temp.push_back(point_w);
spv::Id point_vertex_position =
builder.createCompositeConstruct(type_float4, id_vector_temp);
id_vector_temp.clear();
id_vector_temp.push_back(const_member_out_gl_per_vertex_position);
builder.createStore(
point_vertex_position,
builder.createAccessChain(spv::StorageClassOutput,
out_gl_per_vertex, id_vector_temp));
// Clip distances.
// TODO(Triang3l): Handle ps_ucp_mode properly, clip expanded points if
// needed.
if (clip_distance_count) {
id_vector_temp.clear();
id_vector_temp.push_back(
const_member_out_gl_per_vertex_clip_distance);
builder.createStore(
point_clip_distances,
builder.createAccessChain(spv::StorageClassOutput,
out_gl_per_vertex, id_vector_temp));
}
// Emit the vertex.
builder.createNoResultOp(spv::OpEmitVertex);
}
builder.createNoResultOp(spv::OpEndPrimitive);
} break;
case PipelineGeometryShader::kRectangleList: {
// Construct a strip with the fourth vertex generated by mirroring a
// vertex across the longest edge (the diagonal).
@ -1308,8 +1603,8 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
id_vector_temp.reserve(2);
id_vector_temp.push_back(const_float_0);
id_vector_temp.push_back(const_float_0);
const_point_coordinates_zero = builder.makeCompositeConstant(
type_point_coordinates, id_vector_temp);
const_point_coordinates_zero =
builder.makeCompositeConstant(type_float2, id_vector_temp);
}
// Emit the triangle in the strip that consists of the original vertices.
@ -1491,8 +1786,8 @@ VkShaderModule VulkanPipelineCache::GetGeometryShader(GeometryShaderKey key) {
id_vector_temp.reserve(2);
id_vector_temp.push_back(const_float_0);
id_vector_temp.push_back(const_float_0);
const_point_coordinates_zero = builder.makeCompositeConstant(
type_point_coordinates, id_vector_temp);
const_point_coordinates_zero =
builder.makeCompositeConstant(type_float2, id_vector_temp);
}
// Build the triangle strip from the original quad vertices in the

2
src/xenia/gpu/vulkan/vulkan_pipeline_cache.h
View File

@ -92,6 +92,7 @@ class VulkanPipelineCache {
private:
enum class PipelineGeometryShader : uint32_t {
kNone,
kPointList,
kRectangleList,
kQuadList,
};
@ -267,6 +268,7 @@ class VulkanPipelineCache {
static bool GetGeometryShaderKey(
PipelineGeometryShader geometry_shader_type,
SpirvShaderTranslator::Modification vertex_shader_modification,
SpirvShaderTranslator::Modification pixel_shader_modification,
GeometryShaderKey& key_out);
VkShaderModule GetGeometryShader(GeometryShaderKey key);