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glsl: Address Rodrigo's feedback

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This commit is contained in:
ameerj 2021-06-11 00:33:33 -04:00
parent 85399e119d
commit 4759db28d0
13 changed files with 87 additions and 75 deletions
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31
src/shader_recompiler/backend/glsl/emit_context.cpp
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@ -13,7 +13,7 @@ u32 CbufIndex(size_t offset) {
return (offset / 4) % 4;
}
char CbufSwizzle(size_t offset) {
char Swizzle(size_t offset) {
return "xyzw"[CbufIndex(offset)];
}
@ -341,8 +341,8 @@ void EmitContext::SetupExtensions(std::string&) {
header += "#extension GL_NV_shader_thread_shuffle : enable\n";
}
}
if (info.stores_viewport_index && profile.support_viewport_index_layer_non_geometry &&
stage != Stage::Geometry) {
if ((info.stores_viewport_index || info.stores_layer) &&
profile.support_viewport_index_layer_non_geometry && stage != Stage::Geometry) {
header += "#extension GL_ARB_shader_viewport_layer_array : enable\n";
}
if (info.uses_sparse_residency) {
@ -428,16 +428,16 @@ void EmitContext::DefineHelperFunctions() {
header += "uint CasIncrement(uint op_a,uint op_b){return op_a>=op_b?0u:(op_a+1u);}";
}
if (info.uses_global_decrement || info.uses_shared_decrement) {
header += "uint CasDecrement(uint op_a,uint "
"op_b){return op_a==0||op_a>op_b?op_b:(op_a-1u);}";
header += "uint CasDecrement(uint op_a,uint op_b){"
"return op_a==0||op_a>op_b?op_b:(op_a-1u);}";
}
if (info.uses_atomic_f32_add) {
header += "uint CasFloatAdd(uint op_a,float op_b){return "
"ftou(utof(op_a)+op_b);}";
header += "uint CasFloatAdd(uint op_a,float op_b){"
"return ftou(utof(op_a)+op_b);}";
}
if (info.uses_atomic_f32x2_add) {
header += "uint CasFloatAdd32x2(uint op_a,vec2 op_b){return "
"packHalf2x16(unpackHalf2x16(op_a)+op_b);}";
header += "uint CasFloatAdd32x2(uint op_a,vec2 op_b){"
"return packHalf2x16(unpackHalf2x16(op_a)+op_b);}";
}
if (info.uses_atomic_f32x2_min) {
header += "uint CasFloatMin32x2(uint op_a,vec2 op_b){return "
@ -476,9 +476,10 @@ void EmitContext::DefineHelperFunctions() {
"masked_index=uint(base_index)&3u;switch(base_index>>2){{",
vertex_arg)};
if (info.loads_position) {
func += fmt::format("case {}:", static_cast<u32>(IR::Attribute::PositionX) >> 2);
const auto position_idx{is_array ? "gl_in[vertex]." : ""};
func += fmt::format("return {}{}[masked_index];", position_idx, position_name);
func += fmt::format("case {}:return {}{}[masked_index];",
static_cast<u32>(IR::Attribute::PositionX) >> 2, position_idx,
position_name);
}
const u32 base_attribute_value = static_cast<u32>(IR::Attribute::Generic0X) >> 2;
for (u32 i = 0; i < info.input_generics.size(); ++i) {
@ -486,8 +487,8 @@ void EmitContext::DefineHelperFunctions() {
continue;
}
const auto vertex_idx{is_array ? "[vertex]" : ""};
func += fmt::format("case {}:", base_attribute_value + i);
func += fmt::format("return in_attr{}{}[masked_index];", i, vertex_idx);
func += fmt::format("case {}:return in_attr{}{}[masked_index];",
base_attribute_value + i, i, vertex_idx);
}
func += "default: return 0.0;}}";
header += func;
@ -508,8 +509,8 @@ std::string EmitContext::DefineGlobalMemoryFunctions() {
for (size_t i = 0; i < addr_xy.size(); ++i) {
const auto addr_loc{ssbo.cbuf_offset + 4 * i};
const auto size_loc{size_cbuf_offset + 4 * i};
addr_xy[i] = fmt::format("ftou({}[{}].{})", cbuf, addr_loc / 16, CbufSwizzle(addr_loc));
size_xy[i] = fmt::format("ftou({}[{}].{})", cbuf, size_loc / 16, CbufSwizzle(size_loc));
addr_xy[i] = fmt::format("ftou({}[{}].{})", cbuf, addr_loc / 16, Swizzle(addr_loc));
size_xy[i] = fmt::format("ftou({}[{}].{})", cbuf, size_loc / 16, Swizzle(size_loc));
}
const auto addr_pack{fmt::format("packUint2x32(uvec2({},{}))", addr_xy[0], addr_xy[1])};
const auto addr_statment{fmt::format("uint64_t {}={};", ssbo_addr, addr_pack)};