mirror of
https://github.com/shadps4-emu/shadPS4.git
synced 2025-12-10 05:38:49 +00:00
shader_recompiler: Implement linear interpolation support (#3055)
This commit is contained in:
@@ -5,34 +5,310 @@
|
||||
|
||||
#include <string_view>
|
||||
#include <fmt/format.h>
|
||||
#include "common/assert.h"
|
||||
#include "common/types.h"
|
||||
#include "video_core/amdgpu/types.h"
|
||||
|
||||
namespace AmdGpu {
|
||||
|
||||
enum NumberClass {
|
||||
// Table 8.13 Data and Image Formats [Sea Islands Series Instruction Set Architecture]
|
||||
enum class DataFormat : u32 {
|
||||
FormatInvalid = 0,
|
||||
Format8 = 1,
|
||||
Format16 = 2,
|
||||
Format8_8 = 3,
|
||||
Format32 = 4,
|
||||
Format16_16 = 5,
|
||||
Format10_11_11 = 6,
|
||||
Format11_11_10 = 7,
|
||||
Format10_10_10_2 = 8,
|
||||
Format2_10_10_10 = 9,
|
||||
Format8_8_8_8 = 10,
|
||||
Format32_32 = 11,
|
||||
Format16_16_16_16 = 12,
|
||||
Format32_32_32 = 13,
|
||||
Format32_32_32_32 = 14,
|
||||
Format5_6_5 = 16,
|
||||
Format1_5_5_5 = 17,
|
||||
Format5_5_5_1 = 18,
|
||||
Format4_4_4_4 = 19,
|
||||
Format8_24 = 20,
|
||||
Format24_8 = 21,
|
||||
FormatX24_8_32 = 22,
|
||||
FormatGB_GR = 32,
|
||||
FormatBG_RG = 33,
|
||||
Format5_9_9_9 = 34,
|
||||
FormatBc1 = 35,
|
||||
FormatBc2 = 36,
|
||||
FormatBc3 = 37,
|
||||
FormatBc4 = 38,
|
||||
FormatBc5 = 39,
|
||||
FormatBc6 = 40,
|
||||
FormatBc7 = 41,
|
||||
FormatFmask8_1 = 47,
|
||||
FormatFmask8_2 = 48,
|
||||
FormatFmask8_4 = 49,
|
||||
FormatFmask16_1 = 50,
|
||||
FormatFmask16_2 = 51,
|
||||
FormatFmask32_2 = 52,
|
||||
FormatFmask32_4 = 53,
|
||||
FormatFmask32_8 = 54,
|
||||
FormatFmask64_4 = 55,
|
||||
FormatFmask64_8 = 56,
|
||||
Format4_4 = 57,
|
||||
Format6_5_5 = 58,
|
||||
Format1 = 59,
|
||||
Format1_Reversed = 60,
|
||||
Format32_As_8 = 61,
|
||||
Format32_As_8_8 = 62,
|
||||
Format32_As_32_32_32_32 = 63,
|
||||
};
|
||||
|
||||
enum class NumberFormat : u32 {
|
||||
Unorm = 0,
|
||||
Snorm = 1,
|
||||
Uscaled = 2,
|
||||
Sscaled = 3,
|
||||
Uint = 4,
|
||||
Sint = 5,
|
||||
SnormNz = 6,
|
||||
Float = 7,
|
||||
Srgb = 9,
|
||||
Ubnorm = 10,
|
||||
UbnormNz = 11,
|
||||
Ubint = 12,
|
||||
Ubscaled = 13,
|
||||
};
|
||||
|
||||
enum class NumberClass {
|
||||
Float,
|
||||
Sint,
|
||||
Uint,
|
||||
};
|
||||
|
||||
[[nodiscard]] constexpr NumberClass GetNumberClass(const NumberFormat nfmt) {
|
||||
switch (nfmt) {
|
||||
case NumberFormat::Sint:
|
||||
return Sint;
|
||||
case NumberFormat::Uint:
|
||||
return Uint;
|
||||
enum class CompSwizzle : u8 {
|
||||
Zero = 0,
|
||||
One = 1,
|
||||
Red = 4,
|
||||
Green = 5,
|
||||
Blue = 6,
|
||||
Alpha = 7,
|
||||
};
|
||||
|
||||
enum class NumberConversion : u32 {
|
||||
None = 0,
|
||||
UintToUscaled = 1,
|
||||
SintToSscaled = 2,
|
||||
UnormToUbnorm = 3,
|
||||
Sint8ToSnormNz = 4,
|
||||
Sint16ToSnormNz = 5,
|
||||
Uint32ToUnorm = 6,
|
||||
};
|
||||
|
||||
struct CompMapping {
|
||||
CompSwizzle r;
|
||||
CompSwizzle g;
|
||||
CompSwizzle b;
|
||||
CompSwizzle a;
|
||||
|
||||
auto operator<=>(const CompMapping& other) const = default;
|
||||
|
||||
template <typename T>
|
||||
[[nodiscard]] std::array<T, 4> Apply(const std::array<T, 4>& data) const {
|
||||
return {
|
||||
ApplySingle(data, r),
|
||||
ApplySingle(data, g),
|
||||
ApplySingle(data, b),
|
||||
ApplySingle(data, a),
|
||||
};
|
||||
}
|
||||
|
||||
[[nodiscard]] CompMapping Inverse() const {
|
||||
CompMapping result{};
|
||||
InverseSingle(result.r, CompSwizzle::Red);
|
||||
InverseSingle(result.g, CompSwizzle::Green);
|
||||
InverseSingle(result.b, CompSwizzle::Blue);
|
||||
InverseSingle(result.a, CompSwizzle::Alpha);
|
||||
return result;
|
||||
}
|
||||
|
||||
private:
|
||||
template <typename T>
|
||||
T ApplySingle(const std::array<T, 4>& data, const CompSwizzle swizzle) const {
|
||||
switch (swizzle) {
|
||||
case CompSwizzle::Zero:
|
||||
return T(0);
|
||||
case CompSwizzle::One:
|
||||
return T(1);
|
||||
case CompSwizzle::Red:
|
||||
return data[0];
|
||||
case CompSwizzle::Green:
|
||||
return data[1];
|
||||
case CompSwizzle::Blue:
|
||||
return data[2];
|
||||
case CompSwizzle::Alpha:
|
||||
return data[3];
|
||||
default:
|
||||
UNREACHABLE();
|
||||
}
|
||||
}
|
||||
|
||||
void InverseSingle(CompSwizzle& dst, const CompSwizzle target) const {
|
||||
if (r == target) {
|
||||
dst = CompSwizzle::Red;
|
||||
} else if (g == target) {
|
||||
dst = CompSwizzle::Green;
|
||||
} else if (b == target) {
|
||||
dst = CompSwizzle::Blue;
|
||||
} else if (a == target) {
|
||||
dst = CompSwizzle::Alpha;
|
||||
} else {
|
||||
dst = CompSwizzle::Zero;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
static constexpr CompMapping IdentityMapping = {
|
||||
.r = CompSwizzle::Red,
|
||||
.g = CompSwizzle::Green,
|
||||
.b = CompSwizzle::Blue,
|
||||
.a = CompSwizzle::Alpha,
|
||||
};
|
||||
|
||||
constexpr DataFormat RemapDataFormat(const DataFormat format) {
|
||||
switch (format) {
|
||||
case DataFormat::Format11_11_10:
|
||||
return DataFormat::Format10_11_11;
|
||||
case DataFormat::Format10_10_10_2:
|
||||
return DataFormat::Format2_10_10_10;
|
||||
case DataFormat::Format5_5_5_1:
|
||||
return DataFormat::Format1_5_5_5;
|
||||
default:
|
||||
return Float;
|
||||
return format;
|
||||
}
|
||||
}
|
||||
|
||||
[[nodiscard]] constexpr bool IsInteger(const NumberFormat nfmt) {
|
||||
constexpr NumberFormat RemapNumberFormat(const NumberFormat format, const DataFormat data_format) {
|
||||
switch (format) {
|
||||
case NumberFormat::Unorm: {
|
||||
switch (data_format) {
|
||||
case DataFormat::Format32:
|
||||
case DataFormat::Format32_32:
|
||||
case DataFormat::Format32_32_32:
|
||||
case DataFormat::Format32_32_32_32:
|
||||
return NumberFormat::Uint;
|
||||
default:
|
||||
return format;
|
||||
}
|
||||
}
|
||||
case NumberFormat::Uscaled:
|
||||
return NumberFormat::Uint;
|
||||
case NumberFormat::Sscaled:
|
||||
case NumberFormat::SnormNz:
|
||||
return NumberFormat::Sint;
|
||||
case NumberFormat::Ubnorm:
|
||||
return NumberFormat::Unorm;
|
||||
case NumberFormat::Float:
|
||||
if (data_format == DataFormat::Format8) {
|
||||
// Games may ask for 8-bit float when they want to access the stencil component
|
||||
// of a depth-stencil image. Change to unsigned int to match the stencil format.
|
||||
// This is also the closest approximation to pass the bits through unconverted.
|
||||
return NumberFormat::Uint;
|
||||
}
|
||||
[[fallthrough]];
|
||||
default:
|
||||
return format;
|
||||
}
|
||||
}
|
||||
|
||||
constexpr CompMapping RemapSwizzle(const DataFormat format, const CompMapping swizzle) {
|
||||
switch (format) {
|
||||
case DataFormat::Format1_5_5_5:
|
||||
case DataFormat::Format11_11_10: {
|
||||
CompMapping result;
|
||||
result.r = swizzle.b;
|
||||
result.g = swizzle.g;
|
||||
result.b = swizzle.r;
|
||||
result.a = swizzle.a;
|
||||
return result;
|
||||
}
|
||||
case DataFormat::Format10_10_10_2: {
|
||||
CompMapping result;
|
||||
result.r = swizzle.a;
|
||||
result.g = swizzle.b;
|
||||
result.b = swizzle.g;
|
||||
result.a = swizzle.r;
|
||||
return result;
|
||||
}
|
||||
case DataFormat::Format4_4_4_4: {
|
||||
// Remap to a more supported component order.
|
||||
CompMapping result;
|
||||
result.r = swizzle.g;
|
||||
result.g = swizzle.b;
|
||||
result.b = swizzle.a;
|
||||
result.a = swizzle.r;
|
||||
return result;
|
||||
}
|
||||
default:
|
||||
return swizzle;
|
||||
}
|
||||
}
|
||||
|
||||
constexpr NumberConversion MapNumberConversion(const NumberFormat num_fmt,
|
||||
const DataFormat data_fmt) {
|
||||
switch (num_fmt) {
|
||||
case NumberFormat::Unorm: {
|
||||
switch (data_fmt) {
|
||||
case DataFormat::Format32:
|
||||
case DataFormat::Format32_32:
|
||||
case DataFormat::Format32_32_32:
|
||||
case DataFormat::Format32_32_32_32:
|
||||
return NumberConversion::Uint32ToUnorm;
|
||||
default:
|
||||
return NumberConversion::None;
|
||||
}
|
||||
}
|
||||
case NumberFormat::Uscaled:
|
||||
return NumberConversion::UintToUscaled;
|
||||
case NumberFormat::Sscaled:
|
||||
return NumberConversion::SintToSscaled;
|
||||
case NumberFormat::Ubnorm:
|
||||
return NumberConversion::UnormToUbnorm;
|
||||
case NumberFormat::SnormNz: {
|
||||
switch (data_fmt) {
|
||||
case DataFormat::Format8:
|
||||
case DataFormat::Format8_8:
|
||||
case DataFormat::Format8_8_8_8:
|
||||
return NumberConversion::Sint8ToSnormNz;
|
||||
case DataFormat::Format16:
|
||||
case DataFormat::Format16_16:
|
||||
case DataFormat::Format16_16_16_16:
|
||||
return NumberConversion::Sint16ToSnormNz;
|
||||
default:
|
||||
UNREACHABLE_MSG("data_fmt = {}", u32(data_fmt));
|
||||
}
|
||||
}
|
||||
default:
|
||||
return NumberConversion::None;
|
||||
}
|
||||
}
|
||||
|
||||
constexpr NumberClass GetNumberClass(const NumberFormat nfmt) {
|
||||
switch (nfmt) {
|
||||
case NumberFormat::Sint:
|
||||
return NumberClass::Sint;
|
||||
case NumberFormat::Uint:
|
||||
return NumberClass::Uint;
|
||||
default:
|
||||
return NumberClass::Float;
|
||||
}
|
||||
}
|
||||
|
||||
constexpr bool IsInteger(const NumberFormat nfmt) {
|
||||
return nfmt == AmdGpu::NumberFormat::Sint || nfmt == AmdGpu::NumberFormat::Uint;
|
||||
}
|
||||
|
||||
[[nodiscard]] std::string_view NameOf(DataFormat fmt);
|
||||
[[nodiscard]] std::string_view NameOf(NumberFormat fmt);
|
||||
std::string_view NameOf(DataFormat fmt);
|
||||
std::string_view NameOf(NumberFormat fmt);
|
||||
|
||||
int NumComponents(DataFormat format);
|
||||
int NumBits(DataFormat format);
|
||||
|
||||
@@ -6,7 +6,6 @@
|
||||
#include "common/alignment.h"
|
||||
#include "common/assert.h"
|
||||
#include "common/bit_field.h"
|
||||
#include "common/types.h"
|
||||
#include "video_core/amdgpu/pixel_format.h"
|
||||
|
||||
namespace AmdGpu {
|
||||
|
||||
@@ -5,7 +5,6 @@
|
||||
|
||||
#include <string_view>
|
||||
#include <fmt/format.h>
|
||||
#include "common/assert.h"
|
||||
#include "common/types.h"
|
||||
|
||||
namespace AmdGpu {
|
||||
@@ -114,281 +113,6 @@ enum class GsOutputPrimitiveType : u32 {
|
||||
TriangleStrip = 2,
|
||||
};
|
||||
|
||||
// Table 8.13 Data and Image Formats [Sea Islands Series Instruction Set Architecture]
|
||||
enum class DataFormat : u32 {
|
||||
FormatInvalid = 0,
|
||||
Format8 = 1,
|
||||
Format16 = 2,
|
||||
Format8_8 = 3,
|
||||
Format32 = 4,
|
||||
Format16_16 = 5,
|
||||
Format10_11_11 = 6,
|
||||
Format11_11_10 = 7,
|
||||
Format10_10_10_2 = 8,
|
||||
Format2_10_10_10 = 9,
|
||||
Format8_8_8_8 = 10,
|
||||
Format32_32 = 11,
|
||||
Format16_16_16_16 = 12,
|
||||
Format32_32_32 = 13,
|
||||
Format32_32_32_32 = 14,
|
||||
Format5_6_5 = 16,
|
||||
Format1_5_5_5 = 17,
|
||||
Format5_5_5_1 = 18,
|
||||
Format4_4_4_4 = 19,
|
||||
Format8_24 = 20,
|
||||
Format24_8 = 21,
|
||||
FormatX24_8_32 = 22,
|
||||
FormatGB_GR = 32,
|
||||
FormatBG_RG = 33,
|
||||
Format5_9_9_9 = 34,
|
||||
FormatBc1 = 35,
|
||||
FormatBc2 = 36,
|
||||
FormatBc3 = 37,
|
||||
FormatBc4 = 38,
|
||||
FormatBc5 = 39,
|
||||
FormatBc6 = 40,
|
||||
FormatBc7 = 41,
|
||||
FormatFmask8_1 = 47,
|
||||
FormatFmask8_2 = 48,
|
||||
FormatFmask8_4 = 49,
|
||||
FormatFmask16_1 = 50,
|
||||
FormatFmask16_2 = 51,
|
||||
FormatFmask32_2 = 52,
|
||||
FormatFmask32_4 = 53,
|
||||
FormatFmask32_8 = 54,
|
||||
FormatFmask64_4 = 55,
|
||||
FormatFmask64_8 = 56,
|
||||
Format4_4 = 57,
|
||||
Format6_5_5 = 58,
|
||||
Format1 = 59,
|
||||
Format1_Reversed = 60,
|
||||
Format32_As_8 = 61,
|
||||
Format32_As_8_8 = 62,
|
||||
Format32_As_32_32_32_32 = 63,
|
||||
};
|
||||
|
||||
enum class NumberFormat : u32 {
|
||||
Unorm = 0,
|
||||
Snorm = 1,
|
||||
Uscaled = 2,
|
||||
Sscaled = 3,
|
||||
Uint = 4,
|
||||
Sint = 5,
|
||||
SnormNz = 6,
|
||||
Float = 7,
|
||||
Srgb = 9,
|
||||
Ubnorm = 10,
|
||||
UbnormNz = 11,
|
||||
Ubint = 12,
|
||||
Ubscaled = 13,
|
||||
};
|
||||
|
||||
enum class CompSwizzle : u8 {
|
||||
Zero = 0,
|
||||
One = 1,
|
||||
Red = 4,
|
||||
Green = 5,
|
||||
Blue = 6,
|
||||
Alpha = 7,
|
||||
};
|
||||
|
||||
enum class NumberConversion : u32 {
|
||||
None = 0,
|
||||
UintToUscaled = 1,
|
||||
SintToSscaled = 2,
|
||||
UnormToUbnorm = 3,
|
||||
Sint8ToSnormNz = 4,
|
||||
Sint16ToSnormNz = 5,
|
||||
Uint32ToUnorm = 6,
|
||||
};
|
||||
|
||||
struct CompMapping {
|
||||
CompSwizzle r;
|
||||
CompSwizzle g;
|
||||
CompSwizzle b;
|
||||
CompSwizzle a;
|
||||
|
||||
auto operator<=>(const CompMapping& other) const = default;
|
||||
|
||||
template <typename T>
|
||||
[[nodiscard]] std::array<T, 4> Apply(const std::array<T, 4>& data) const {
|
||||
return {
|
||||
ApplySingle(data, r),
|
||||
ApplySingle(data, g),
|
||||
ApplySingle(data, b),
|
||||
ApplySingle(data, a),
|
||||
};
|
||||
}
|
||||
|
||||
[[nodiscard]] CompMapping Inverse() const {
|
||||
CompMapping result{};
|
||||
InverseSingle(result.r, CompSwizzle::Red);
|
||||
InverseSingle(result.g, CompSwizzle::Green);
|
||||
InverseSingle(result.b, CompSwizzle::Blue);
|
||||
InverseSingle(result.a, CompSwizzle::Alpha);
|
||||
return result;
|
||||
}
|
||||
|
||||
private:
|
||||
template <typename T>
|
||||
T ApplySingle(const std::array<T, 4>& data, const CompSwizzle swizzle) const {
|
||||
switch (swizzle) {
|
||||
case CompSwizzle::Zero:
|
||||
return T(0);
|
||||
case CompSwizzle::One:
|
||||
return T(1);
|
||||
case CompSwizzle::Red:
|
||||
return data[0];
|
||||
case CompSwizzle::Green:
|
||||
return data[1];
|
||||
case CompSwizzle::Blue:
|
||||
return data[2];
|
||||
case CompSwizzle::Alpha:
|
||||
return data[3];
|
||||
default:
|
||||
UNREACHABLE();
|
||||
}
|
||||
}
|
||||
|
||||
void InverseSingle(CompSwizzle& dst, const CompSwizzle target) const {
|
||||
if (r == target) {
|
||||
dst = CompSwizzle::Red;
|
||||
} else if (g == target) {
|
||||
dst = CompSwizzle::Green;
|
||||
} else if (b == target) {
|
||||
dst = CompSwizzle::Blue;
|
||||
} else if (a == target) {
|
||||
dst = CompSwizzle::Alpha;
|
||||
} else {
|
||||
dst = CompSwizzle::Zero;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
static constexpr CompMapping IdentityMapping = {
|
||||
.r = CompSwizzle::Red,
|
||||
.g = CompSwizzle::Green,
|
||||
.b = CompSwizzle::Blue,
|
||||
.a = CompSwizzle::Alpha,
|
||||
};
|
||||
|
||||
inline DataFormat RemapDataFormat(const DataFormat format) {
|
||||
switch (format) {
|
||||
case DataFormat::Format11_11_10:
|
||||
return DataFormat::Format10_11_11;
|
||||
case DataFormat::Format10_10_10_2:
|
||||
return DataFormat::Format2_10_10_10;
|
||||
case DataFormat::Format5_5_5_1:
|
||||
return DataFormat::Format1_5_5_5;
|
||||
default:
|
||||
return format;
|
||||
}
|
||||
}
|
||||
|
||||
inline NumberFormat RemapNumberFormat(const NumberFormat format, const DataFormat data_format) {
|
||||
switch (format) {
|
||||
case NumberFormat::Unorm: {
|
||||
switch (data_format) {
|
||||
case DataFormat::Format32:
|
||||
case DataFormat::Format32_32:
|
||||
case DataFormat::Format32_32_32:
|
||||
case DataFormat::Format32_32_32_32:
|
||||
return NumberFormat::Uint;
|
||||
default:
|
||||
return format;
|
||||
}
|
||||
}
|
||||
case NumberFormat::Uscaled:
|
||||
return NumberFormat::Uint;
|
||||
case NumberFormat::Sscaled:
|
||||
case NumberFormat::SnormNz:
|
||||
return NumberFormat::Sint;
|
||||
case NumberFormat::Ubnorm:
|
||||
return NumberFormat::Unorm;
|
||||
case NumberFormat::Float:
|
||||
if (data_format == DataFormat::Format8) {
|
||||
// Games may ask for 8-bit float when they want to access the stencil component
|
||||
// of a depth-stencil image. Change to unsigned int to match the stencil format.
|
||||
// This is also the closest approximation to pass the bits through unconverted.
|
||||
return NumberFormat::Uint;
|
||||
}
|
||||
[[fallthrough]];
|
||||
default:
|
||||
return format;
|
||||
}
|
||||
}
|
||||
|
||||
inline CompMapping RemapSwizzle(const DataFormat format, const CompMapping swizzle) {
|
||||
switch (format) {
|
||||
case DataFormat::Format1_5_5_5:
|
||||
case DataFormat::Format11_11_10: {
|
||||
CompMapping result;
|
||||
result.r = swizzle.b;
|
||||
result.g = swizzle.g;
|
||||
result.b = swizzle.r;
|
||||
result.a = swizzle.a;
|
||||
return result;
|
||||
}
|
||||
case DataFormat::Format10_10_10_2: {
|
||||
CompMapping result;
|
||||
result.r = swizzle.a;
|
||||
result.g = swizzle.b;
|
||||
result.b = swizzle.g;
|
||||
result.a = swizzle.r;
|
||||
return result;
|
||||
}
|
||||
case DataFormat::Format4_4_4_4: {
|
||||
// Remap to a more supported component order.
|
||||
CompMapping result;
|
||||
result.r = swizzle.g;
|
||||
result.g = swizzle.b;
|
||||
result.b = swizzle.a;
|
||||
result.a = swizzle.r;
|
||||
return result;
|
||||
}
|
||||
default:
|
||||
return swizzle;
|
||||
}
|
||||
}
|
||||
|
||||
inline NumberConversion MapNumberConversion(const NumberFormat num_fmt, const DataFormat data_fmt) {
|
||||
switch (num_fmt) {
|
||||
case NumberFormat::Unorm: {
|
||||
switch (data_fmt) {
|
||||
case DataFormat::Format32:
|
||||
case DataFormat::Format32_32:
|
||||
case DataFormat::Format32_32_32:
|
||||
case DataFormat::Format32_32_32_32:
|
||||
return NumberConversion::Uint32ToUnorm;
|
||||
default:
|
||||
return NumberConversion::None;
|
||||
}
|
||||
}
|
||||
case NumberFormat::Uscaled:
|
||||
return NumberConversion::UintToUscaled;
|
||||
case NumberFormat::Sscaled:
|
||||
return NumberConversion::SintToSscaled;
|
||||
case NumberFormat::Ubnorm:
|
||||
return NumberConversion::UnormToUbnorm;
|
||||
case NumberFormat::SnormNz: {
|
||||
switch (data_fmt) {
|
||||
case DataFormat::Format8:
|
||||
case DataFormat::Format8_8:
|
||||
case DataFormat::Format8_8_8_8:
|
||||
return NumberConversion::Sint8ToSnormNz;
|
||||
case DataFormat::Format16:
|
||||
case DataFormat::Format16_16:
|
||||
case DataFormat::Format16_16_16_16:
|
||||
return NumberConversion::Sint16ToSnormNz;
|
||||
default:
|
||||
UNREACHABLE_MSG("data_fmt = {}", u32(data_fmt));
|
||||
}
|
||||
}
|
||||
default:
|
||||
return NumberConversion::None;
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace AmdGpu
|
||||
|
||||
template <>
|
||||
|
||||
Reference in New Issue
Block a user