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[DXBC] OpenGL snorm vfetch because why not

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Triang3l
2020-05-24 19:25:35 +03:00
parent 04ca28c902
commit aa73d652ba
5 changed files with 83 additions and 36 deletions
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32
src/xenia/gpu/xenos.h
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@@ -183,11 +183,11 @@ enum class IndexFormat : uint32_t {
kInt32,
};
// GPUSURFACENUMBER from a game .pdb. "Repeat" means repeating fraction, it's
// what ATI calls normalized.
// SurfaceNumberX from yamato_enum.h.
enum class SurfaceNumFormat : uint32_t {
kUnsignedRepeat = 0,
kSignedRepeat = 1,
kUnsignedRepeatingFraction = 0,
// Microsoft-style, scale factor (2^(n-1))-1.
kSignedRepeatingFraction = 1,
kUnsignedInteger = 2,
kSignedInteger = 3,
kFloat = 7,
@@ -516,6 +516,14 @@ inline bool IsMajorModeExplicit(MajorMode major_mode,
primitive_type >= PrimitiveType::kExplicitMajorModeForceStart;
}
enum class SignedRepeatingFractionMode : uint32_t {
// Microsoft-style representation with two -1 representations (one is slightly
// past -1 but clamped).
kZeroClampMinusOne,
// OpenGL "alternate mapping" format lacking representation for zero.
kNoZero,
};
// instr_arbitrary_filter_t
enum class ArbitraryFilter : uint32_t {
k2x4Sym = 0,
@@ -699,14 +707,14 @@ XEPACKEDUNION(xe_gpu_texture_fetch_t, {
// which can be texture components 0/1/2/3 or constant 0/1) and R6xx
// (signedness is FORMAT_COMP_X/Y/Z/W, while the swizzle is DST_SEL_X/Y/Z/W,
// which is named in resources the same as DST_SEL in fetch clauses).
TextureSign sign_x : 2; // +2
TextureSign sign_y : 2; // +4
TextureSign sign_z : 2; // +6
TextureSign sign_w : 2; // +8
ClampMode clamp_x : 3; // +10
ClampMode clamp_y : 3; // +13
ClampMode clamp_z : 3; // +16
uint32_t signed_rf_mode_all : 1; // +19
TextureSign sign_x : 2; // +2
TextureSign sign_y : 2; // +4
TextureSign sign_z : 2; // +6
TextureSign sign_w : 2; // +8
ClampMode clamp_x : 3; // +10
ClampMode clamp_y : 3; // +13
ClampMode clamp_z : 3; // +16
xenos::SignedRepeatingFractionMode signed_rf_mode_all : 1; // +19
// TODO(Triang3l): 1 or 2 dim_tbd bits?
uint32_t unk_0 : 2; // +20
uint32_t pitch : 9; // +22 byte_pitch >> 5