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[Vulkan] Color exponent bias and gamma conversion

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This commit is contained in:
Triang3l
2022-06-25 20:35:13 +03:00
parent b1be33004a
commit d30d59883a
6 changed files with 180 additions and 13 deletions
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25
src/xenia/gpu/spirv_shader_translator.cc
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@@ -228,6 +228,8 @@ void SpirvShaderTranslator::StartTranslation() {
offsetof(SystemConstants, texture_swizzled_signs), type_uint4_array_2},
{"texture_swizzles", offsetof(SystemConstants, texture_swizzles),
type_uint4_array_4},
{"color_exp_bias", offsetof(SystemConstants, color_exp_bias),
type_float4_},
};
id_vector_temp_.clear();
id_vector_temp_.reserve(xe::countof(system_constants));
@@ -403,6 +405,14 @@ void SpirvShaderTranslator::StartTranslation() {
spv::NoPrecision, type_void_, "main", main_param_types, main_precisions,
&function_main_entry);
// Load the flags system constant since it may be used in many places.
id_vector_temp_.clear();
id_vector_temp_.push_back(builder_->makeIntConstant(kSystemConstantFlags));
main_system_constant_flags_ = builder_->createLoad(
builder_->createAccessChain(spv::StorageClassUniform,
uniform_system_constants_, id_vector_temp_),
spv::NoPrecision);
// Begin ucode translation. Initialize everything, even without defined
// defaults, for safety.
var_main_predicate_ = builder_->createVariable(
@@ -580,6 +590,8 @@ std::vector<uint8_t> SpirvShaderTranslator::CompleteTranslation() {
if (is_vertex_shader()) {
CompleteVertexOrTessEvalShaderInMain();
} else if (is_pixel_shader()) {
CompleteFragmentShaderInMain();
}
// End the main function.
@@ -1115,13 +1127,6 @@ void SpirvShaderTranslator::StartVertexOrTessEvalShaderInMain() {
}
void SpirvShaderTranslator::CompleteVertexOrTessEvalShaderInMain() {
id_vector_temp_.clear();
id_vector_temp_.push_back(builder_->makeIntConstant(kSystemConstantFlags));
spv::Id system_constant_flags = builder_->createLoad(
builder_->createAccessChain(spv::StorageClassUniform,
uniform_system_constants_, id_vector_temp_),
spv::NoPrecision);
id_vector_temp_.clear();
id_vector_temp_.push_back(
builder_->makeIntConstant(kOutputPerVertexMemberPosition));
@@ -1136,7 +1141,7 @@ void SpirvShaderTranslator::CompleteVertexOrTessEvalShaderInMain() {
spv::Id is_w_not_reciprocal = builder_->createBinOp(
spv::OpINotEqual, type_bool_,
builder_->createBinOp(
spv::OpBitwiseAnd, type_uint_, system_constant_flags,
spv::OpBitwiseAnd, type_uint_, main_system_constant_flags_,
builder_->makeUintConstant(
static_cast<unsigned int>(kSysFlag_WNotReciprocal))),
const_uint_0_);
@@ -1160,7 +1165,7 @@ void SpirvShaderTranslator::CompleteVertexOrTessEvalShaderInMain() {
spv::Id is_xy_divided_by_w = builder_->createBinOp(
spv::OpINotEqual, type_bool_,
builder_->createBinOp(
spv::OpBitwiseAnd, type_uint_, system_constant_flags,
spv::OpBitwiseAnd, type_uint_, main_system_constant_flags_,
builder_->makeUintConstant(
static_cast<unsigned int>(kSysFlag_XYDividedByW))),
const_uint_0_);
@@ -1180,7 +1185,7 @@ void SpirvShaderTranslator::CompleteVertexOrTessEvalShaderInMain() {
spv::Id is_z_divided_by_w = builder_->createBinOp(
spv::OpINotEqual, type_bool_,
builder_->createBinOp(
spv::OpBitwiseAnd, type_uint_, system_constant_flags,
spv::OpBitwiseAnd, type_uint_, main_system_constant_flags_,
builder_->makeUintConstant(
static_cast<unsigned int>(kSysFlag_ZDividedByW))),
const_uint_0_);