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[GPU] Fix scalar c[#+aL], shader docs/refactoring

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This commit is contained in:
Triang3l
2022-04-13 23:08:19 +03:00
parent 1f324bebcd
commit fea430f1f9
6 changed files with 395 additions and 201 deletions
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24
src/xenia/gpu/shader.h
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@@ -44,7 +44,7 @@ namespace gpu {
enum class InstructionStorageTarget {
// Result is not stored.
kNone,
// Result is stored to a temporary register indexed by storage_index [0-31].
// Result is stored to a temporary register indexed by storage_index [0-63].
kRegister,
// Result is stored into a vertex shader interpolator export [0-15].
kInterpolator,
@@ -85,11 +85,13 @@ constexpr uint32_t GetInstructionStorageTargetUsedComponentCount(
enum class InstructionStorageAddressingMode {
// The storage index is not dynamically addressed.
kStatic,
kAbsolute,
// The storage index is addressed by a0.
kAddressAbsolute,
// Float constants only.
kAddressRegisterRelative,
// The storage index is addressed by aL.
kAddressRelative,
// Float constants and temporary registers only.
kLoopRelative,
};
// Describes the source value of a particular component.
@@ -111,6 +113,12 @@ enum class SwizzleSource {
constexpr SwizzleSource GetSwizzleFromComponentIndex(uint32_t i) {
return static_cast<SwizzleSource>(i);
}
constexpr SwizzleSource GetSwizzledAluSourceComponent(
uint32_t swizzle, uint32_t component_index) {
return GetSwizzleFromComponentIndex(
ucode::AluInstruction::GetSwizzledComponentIndex(swizzle,
component_index));
}
inline char GetCharForComponentIndex(uint32_t i) {
const static char kChars[] = {'x', 'y', 'z', 'w'};
return kChars[i];
@@ -127,7 +135,7 @@ struct InstructionResult {
uint32_t storage_index = 0;
// How the storage index is dynamically addressed, if it is.
InstructionStorageAddressingMode storage_addressing_mode =
InstructionStorageAddressingMode::kStatic;
InstructionStorageAddressingMode::kAbsolute;
// True to clamp the result value to [0-1].
bool is_clamped = false;
// Defines whether each output component is written, though this is from the
@@ -191,9 +199,9 @@ struct InstructionResult {
};
enum class InstructionStorageSource {
// Source is stored in a temporary register indexed by storage_index [0-31].
// Source is stored in a temporary register indexed by storage_index [0-63].
kRegister,
// Source is stored in a float constant indexed by storage_index [0-511].
// Source is stored in a float constant indexed by storage_index [0-255].
kConstantFloat,
// Source is stored in a vertex fetch constant indexed by storage_index
// [0-95].
@@ -210,7 +218,7 @@ struct InstructionOperand {
uint32_t storage_index = 0;
// How the storage index is dynamically addressed, if it is.
InstructionStorageAddressingMode storage_addressing_mode =
InstructionStorageAddressingMode::kStatic;
InstructionStorageAddressingMode::kAbsolute;
// True to negate the operand value.
bool is_negated = false;
// True to take the absolute value of the source (before any negation).