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authorReinUsesLisp <reinuseslisp@airmail.cc>2021-05-22 23:29:43 +0200
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:33 +0200
commite30d4fa976f608a79629e12cac25f7b951e6b8fb (patch)
treef0bdf0d2f91fdf4faff7e746c31e71fac25d39b3 /src/shader_recompiler/backend
parentglasm: Implement image atomics (diff)
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Diffstat (limited to '')
-rw-r--r--src/shader_recompiler/backend/glasm/emit_context.cpp3
-rw-r--r--src/shader_recompiler/backend/glasm/emit_context.h1
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp65
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm_instructions.h2
4 files changed, 65 insertions, 6 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_context.cpp b/src/shader_recompiler/backend/glasm/emit_context.cpp
index 0f7d79843..b5b0e2204 100644
--- a/src/shader_recompiler/backend/glasm/emit_context.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_context.cpp
@@ -30,9 +30,8 @@ bool IsInputArray(Stage stage) {
EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
const RuntimeInfo& runtime_info_)
- : profile{profile_}, runtime_info{runtime_info_} {
+ : info{program.info}, profile{profile_}, runtime_info{runtime_info_} {
// FIXME: Temporary partial implementation
- const auto& info{program.info};
u32 cbuf_index{};
for (const auto& desc : info.constant_buffer_descriptors) {
if (desc.count != 1) {
diff --git a/src/shader_recompiler/backend/glasm/emit_context.h b/src/shader_recompiler/backend/glasm/emit_context.h
index 1f057fdd5..057d74790 100644
--- a/src/shader_recompiler/backend/glasm/emit_context.h
+++ b/src/shader_recompiler/backend/glasm/emit_context.h
@@ -58,6 +58,7 @@ public:
std::string code;
RegAlloc reg_alloc{*this};
+ const Info& info;
const Profile& profile;
const RuntimeInfo& runtime_info;
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
index 7a7297801..b44c00c73 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
@@ -8,6 +8,7 @@
#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
#include "shader_recompiler/frontend/ir/value.h"
#include "shader_recompiler/profile.h"
+#include "shader_recompiler/shader_info.h"
namespace Shader::Backend::GLASM {
namespace {
@@ -153,9 +154,67 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, ScalarF32 value,
}
}
-void EmitGetAttributeIndexed([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] ScalarU32 offset,
- [[maybe_unused]] ScalarU32 vertex) {
- throw NotImplementedException("GLASM instruction");
+void EmitGetAttributeIndexed(EmitContext& ctx, IR::Inst& inst, ScalarS32 offset, ScalarU32 vertex) {
+ // RC.x = base_index
+ // RC.y = masked_index
+ // RC.z = compare_index
+ ctx.Add("SHR.S RC.x,{},2;"
+ "AND.S RC.y,RC.x,3;"
+ "SHR.S RC.z,{},4;",
+ offset, offset);
+
+ const Register ret{ctx.reg_alloc.Define(inst)};
+ u32 num_endifs{};
+ const auto read{[&](u32 compare_index, const std::array<std::string, 4>& values) {
+ ++num_endifs;
+ ctx.Add("SEQ.S.CC RC.w,RC.z,{};" // compare_index
+ "IF NE.w;"
+ // X
+ "SEQ.S.CC RC.w,RC.y,0;"
+ "IF NE.w;"
+ "MOV {}.x,{};"
+ "ELSE;"
+ // Y
+ "SEQ.S.CC RC.w,RC.y,1;"
+ "IF NE.w;"
+ "MOV {}.x,{};"
+ "ELSE;"
+ // Z
+ "SEQ.S.CC RC.w,RC.y,2;"
+ "IF NE.w;"
+ "MOV {}.x,{};"
+ "ELSE;"
+ // W
+ "MOV {}.x,{};"
+ "ENDIF;"
+ "ENDIF;"
+ "ENDIF;"
+ "ELSE;",
+ compare_index, ret, values[0], ret, values[1], ret, values[2], ret, values[3]);
+ }};
+ const auto read_swizzled{[&](u32 compare_index, std::string_view value) {
+ const std::array values{fmt::format("{}.x", value), fmt::format("{}.y", value),
+ fmt::format("{}.z", value), fmt::format("{}.w", value)};
+ read(compare_index, values);
+ }};
+ if (ctx.info.loads_position) {
+ const u32 index{static_cast<u32>(IR::Attribute::PositionX)};
+ if (IsInputArray(ctx.stage)) {
+ read_swizzled(index, fmt::format("vertex_position{}", VertexIndex(ctx, vertex)));
+ } else {
+ read_swizzled(index, fmt::format("{}.position", ctx.attrib_name));
+ }
+ }
+ const u32 base_attribute_value{static_cast<u32>(IR::Attribute::Generic0X) >> 2};
+ for (u32 index = 0; index < ctx.info.input_generics.size(); ++index) {
+ if (!ctx.info.input_generics[index].used) {
+ continue;
+ }
+ read_swizzled(index, fmt::format("in_attr{}{}[0]", index, VertexIndex(ctx, vertex)));
+ }
+ for (u32 i = 0; i < num_endifs; ++i) {
+ ctx.Add("ENDIF;");
+ }
}
void EmitSetAttributeIndexed([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] ScalarU32 offset,
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
index 2cc3acedf..e205c3d14 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
@@ -51,7 +51,7 @@ void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32 offset);
void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, ScalarU32 vertex);
void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, ScalarF32 value, ScalarU32 vertex);
-void EmitGetAttributeIndexed(EmitContext& ctx, ScalarU32 offset, ScalarU32 vertex);
+void EmitGetAttributeIndexed(EmitContext& ctx, IR::Inst& inst, ScalarS32 offset, ScalarU32 vertex);
void EmitSetAttributeIndexed(EmitContext& ctx, ScalarU32 offset, ScalarF32 value, ScalarU32 vertex);
void EmitGetPatch(EmitContext& ctx, IR::Inst& inst, IR::Patch patch);
void EmitSetPatch(EmitContext& ctx, IR::Patch patch, ScalarF32 value);