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Reworking translator code to be pretty sexy.

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This commit is contained in:
Ben Vanik
2015-11-29 16:55:42 -08:00
parent 65130edaa1
commit d2f7cc1602
11 changed files with 1810 additions and 979 deletions
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24
src/xenia/gpu/ucode.h
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@@ -102,6 +102,22 @@ constexpr bool IsControlFlowOpcodeExec(ControlFlowOpcode opcode) {
opcode == ControlFlowOpcode::kCondExecPredCleanEnd;
}
// Returns true if the given control flow opcode terminates the shader after
// executing.
constexpr bool DoesControlFlowOpcodeEndShader(ControlFlowOpcode opcode) {
return opcode == ControlFlowOpcode::kExecEnd ||
opcode == ControlFlowOpcode::kCondExecEnd ||
opcode == ControlFlowOpcode::kCondExecPredEnd ||
opcode == ControlFlowOpcode::kCondExecPredCleanEnd;
}
// Returns true if the given control flow opcode resets the predicate prior to
// execution.
constexpr bool DoesControlFlowOpcodeCleanPredicate(ControlFlowOpcode opcode) {
return opcode == ControlFlowOpcode::kCondExecPredClean ||
opcode == ControlFlowOpcode::kCondExecPredCleanEnd;
}
// Determines whether addressing is based on a0 or aL.
enum class AddressingMode : uint32_t {
// Indexing into register sets is done based on aL.
@@ -117,7 +133,7 @@ enum class AddressingMode : uint32_t {
// shader.
enum class AllocType : uint32_t {
// ?
kNoAlloc = 0,
kNone = 0,
// Vertex shader exports a position.
kVsPosition = 1,
// Vertex shader exports interpolators.
@@ -791,9 +807,7 @@ struct AluInstruction {
bool is_const_1_addressed() const { return data_.const_1_rel_abs == 1; }
bool is_address_relative() const { return data_.address_absolute == 1; }
bool has_vector_op() const {
return vector_write_mask() || (is_export() && export_write_mask());
}
bool has_vector_op() const { return vector_write_mask() || is_export(); }
AluVectorOpcode vector_opcode() const {
return static_cast<AluVectorOpcode>(data_.vector_opc);
}
@@ -804,7 +818,7 @@ struct AluInstruction {
bool has_scalar_op() const {
return scalar_opcode() != AluScalarOpcode::kRETAIN_PREV ||
scalar_write_mask() != 0;
(!is_export() && scalar_write_mask() != 0);
}
AluScalarOpcode scalar_opcode() const {
return static_cast<AluScalarOpcode>(data_.scalar_opc);