glsl/glasm: Pass and use scaling parameters in shaders

This commit is contained in:
ReinUsesLisp 2021-07-31 03:04:08 -03:00 committed by Fernando Sahmkow
parent d7178ad04e
commit 0d12e498ab
9 changed files with 51 additions and 28 deletions

View file

@ -448,6 +448,9 @@ std::string EmitGLASM(const Profile& profile, const RuntimeInfo& runtime_info, I
header += fmt::format("SHARED_MEMORY {};", program.shared_memory_size);
header += fmt::format("SHARED shared_mem[]={{program.sharedmem}};");
}
if (program.info.uses_rescaling_uniform) {
header += "PARAM scaling[1]={program.local[0..0]};";
}
header += "TEMP ";
for (size_t index = 0; index < ctx.reg_alloc.NumUsedRegisters(); ++index) {
header += fmt::format("R{},", index);

View file

@ -612,8 +612,9 @@ void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& inde
if (!index.IsImmediate()) {
throw NotImplementedException("Non-constant texture rescaling");
}
UNIMPLEMENTED();
ctx.Add("MOV.S {}.x,-1;", inst);
ctx.Add("AND.U RC.x,scaling[0].x,{};"
"SNE.S {},RC.x,0;",
1u << index.U32(), ctx.reg_alloc.Define(inst));
}
void EmitImageAtomicIAdd32(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord,

View file

@ -211,7 +211,7 @@ void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
}
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
ctx.Add("MOV.F {}.x,program.env[0].x;", inst);
ctx.Add("MOV.F {}.x,scaling[0].y;", inst);
}
void EmitUndefU1(EmitContext& ctx, IR::Inst& inst) {

View file

@ -394,7 +394,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
}
}
if (info.uses_rescaling_uniform) {
header += "layout(location=0) uniform float down_factor;";
header += "layout(location=0) uniform vec4 scaling;";
}
DefineConstantBuffers(bindings);
DefineStorageBuffers(bindings);

View file

@ -446,7 +446,7 @@ void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
}
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
ctx.AddF32("{}=down_factor;", inst);
ctx.AddF32("{}=scaling.y;", inst);
}
void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset) {

View file

@ -616,8 +616,8 @@ void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& inde
if (!index.IsImmediate()) {
throw NotImplementedException("Non-constant texture rescaling");
}
UNIMPLEMENTED();
ctx.AddU1("{}=true;", inst);
const u32 image_index{index.U32()};
ctx.AddU1("{}=(ftou(scaling.x)&{})!=0;", inst, 1u << image_index);
}
void EmitBindlessImageSampleImplicitLod(EmitContext&) {