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-rw-r--r--src/video_core/CMakeLists.txt1
-rw-r--r--src/video_core/pica.h114
-rw-r--r--src/video_core/pica_types.h124
3 files changed, 127 insertions, 112 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index c3d7294d5..4b5d298f3 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -33,6 +33,7 @@ set(HEADERS
command_processor.h
gpu_debugger.h
pica.h
+ pica_types.h
primitive_assembly.h
rasterizer.h
rasterizer_interface.h
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index 2f1b2dec4..b8db7869a 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -16,6 +16,8 @@
#include "common/vector_math.h"
#include "common/logging/log.h"
+#include "pica_types.h"
+
namespace Pica {
// Returns index corresponding to the Regs member labeled by field_name
@@ -1026,118 +1028,6 @@ static_assert(sizeof(Regs::ShaderConfig) == 0x30 * sizeof(u32), "ShaderConfig st
static_assert(sizeof(Regs) <= 0x300 * sizeof(u32), "Register set structure larger than it should be");
static_assert(sizeof(Regs) >= 0x300 * sizeof(u32), "Register set structure smaller than it should be");
-struct float24 {
- static float24 FromFloat32(float val) {
- float24 ret;
- ret.value = val;
- return ret;
- }
-
- // 16 bit mantissa, 7 bit exponent, 1 bit sign
- // TODO: No idea if this works as intended
- static float24 FromRawFloat24(u32 hex) {
- float24 ret;
- if ((hex & 0xFFFFFF) == 0) {
- ret.value = 0;
- } else {
- u32 mantissa = hex & 0xFFFF;
- u32 exponent = (hex >> 16) & 0x7F;
- u32 sign = hex >> 23;
- ret.value = std::pow(2.0f, (float)exponent-63.0f) * (1.0f + mantissa * std::pow(2.0f, -16.f));
- if (sign)
- ret.value = -ret.value;
- }
- return ret;
- }
-
- static float24 Zero() {
- return FromFloat32(0.f);
- }
-
- // Not recommended for anything but logging
- float ToFloat32() const {
- return value;
- }
-
- float24 operator * (const float24& flt) const {
- if ((this->value == 0.f && !std::isnan(flt.value)) ||
- (flt.value == 0.f && !std::isnan(this->value)))
- // PICA gives 0 instead of NaN when multiplying by inf
- return Zero();
- return float24::FromFloat32(ToFloat32() * flt.ToFloat32());
- }
-
- float24 operator / (const float24& flt) const {
- return float24::FromFloat32(ToFloat32() / flt.ToFloat32());
- }
-
- float24 operator + (const float24& flt) const {
- return float24::FromFloat32(ToFloat32() + flt.ToFloat32());
- }
-
- float24 operator - (const float24& flt) const {
- return float24::FromFloat32(ToFloat32() - flt.ToFloat32());
- }
-
- float24& operator *= (const float24& flt) {
- if ((this->value == 0.f && !std::isnan(flt.value)) ||
- (flt.value == 0.f && !std::isnan(this->value)))
- // PICA gives 0 instead of NaN when multiplying by inf
- *this = Zero();
- else value *= flt.ToFloat32();
- return *this;
- }
-
- float24& operator /= (const float24& flt) {
- value /= flt.ToFloat32();
- return *this;
- }
-
- float24& operator += (const float24& flt) {
- value += flt.ToFloat32();
- return *this;
- }
-
- float24& operator -= (const float24& flt) {
- value -= flt.ToFloat32();
- return *this;
- }
-
- float24 operator - () const {
- return float24::FromFloat32(-ToFloat32());
- }
-
- bool operator < (const float24& flt) const {
- return ToFloat32() < flt.ToFloat32();
- }
-
- bool operator > (const float24& flt) const {
- return ToFloat32() > flt.ToFloat32();
- }
-
- bool operator >= (const float24& flt) const {
- return ToFloat32() >= flt.ToFloat32();
- }
-
- bool operator <= (const float24& flt) const {
- return ToFloat32() <= flt.ToFloat32();
- }
-
- bool operator == (const float24& flt) const {
- return ToFloat32() == flt.ToFloat32();
- }
-
- bool operator != (const float24& flt) const {
- return ToFloat32() != flt.ToFloat32();
- }
-
-private:
- // Stored as a regular float, merely for convenience
- // TODO: Perform proper arithmetic on this!
- float value;
-};
-static_assert(sizeof(float24) == sizeof(float), "Shader JIT assumes float24 is implemented as a 32-bit float");
-
/// Struct used to describe current Pica state
struct State {
/// Pica registers
diff --git a/src/video_core/pica_types.h b/src/video_core/pica_types.h
new file mode 100644
index 000000000..de798aa81
--- /dev/null
+++ b/src/video_core/pica_types.h
@@ -0,0 +1,124 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Pica {
+
+struct float24 {
+ static float24 FromFloat32(float val) {
+ float24 ret;
+ ret.value = val;
+ return ret;
+ }
+
+ // 16 bit mantissa, 7 bit exponent, 1 bit sign
+ // TODO: No idea if this works as intended
+ static float24 FromRawFloat24(u32 hex) {
+ float24 ret;
+ if ((hex & 0xFFFFFF) == 0) {
+ ret.value = 0;
+ } else {
+ u32 mantissa = hex & 0xFFFF;
+ u32 exponent = (hex >> 16) & 0x7F;
+ u32 sign = hex >> 23;
+ ret.value = std::pow(2.0f, (float)exponent-63.0f) * (1.0f + mantissa * std::pow(2.0f, -16.f));
+ if (sign)
+ ret.value = -ret.value;
+ }
+ return ret;
+ }
+
+ static float24 Zero() {
+ return FromFloat32(0.f);
+ }
+
+ // Not recommended for anything but logging
+ float ToFloat32() const {
+ return value;
+ }
+
+ float24 operator * (const float24& flt) const {
+ if ((this->value == 0.f && !std::isnan(flt.value)) ||
+ (flt.value == 0.f && !std::isnan(this->value)))
+ // PICA gives 0 instead of NaN when multiplying by inf
+ return Zero();
+ return float24::FromFloat32(ToFloat32() * flt.ToFloat32());
+ }
+
+ float24 operator / (const float24& flt) const {
+ return float24::FromFloat32(ToFloat32() / flt.ToFloat32());
+ }
+
+ float24 operator + (const float24& flt) const {
+ return float24::FromFloat32(ToFloat32() + flt.ToFloat32());
+ }
+
+ float24 operator - (const float24& flt) const {
+ return float24::FromFloat32(ToFloat32() - flt.ToFloat32());
+ }
+
+ float24& operator *= (const float24& flt) {
+ if ((this->value == 0.f && !std::isnan(flt.value)) ||
+ (flt.value == 0.f && !std::isnan(this->value)))
+ // PICA gives 0 instead of NaN when multiplying by inf
+ *this = Zero();
+ else value *= flt.ToFloat32();
+ return *this;
+ }
+
+ float24& operator /= (const float24& flt) {
+ value /= flt.ToFloat32();
+ return *this;
+ }
+
+ float24& operator += (const float24& flt) {
+ value += flt.ToFloat32();
+ return *this;
+ }
+
+ float24& operator -= (const float24& flt) {
+ value -= flt.ToFloat32();
+ return *this;
+ }
+
+ float24 operator - () const {
+ return float24::FromFloat32(-ToFloat32());
+ }
+
+ bool operator < (const float24& flt) const {
+ return ToFloat32() < flt.ToFloat32();
+ }
+
+ bool operator > (const float24& flt) const {
+ return ToFloat32() > flt.ToFloat32();
+ }
+
+ bool operator >= (const float24& flt) const {
+ return ToFloat32() >= flt.ToFloat32();
+ }
+
+ bool operator <= (const float24& flt) const {
+ return ToFloat32() <= flt.ToFloat32();
+ }
+
+ bool operator == (const float24& flt) const {
+ return ToFloat32() == flt.ToFloat32();
+ }
+
+ bool operator != (const float24& flt) const {
+ return ToFloat32() != flt.ToFloat32();
+ }
+
+private:
+ // Stored as a regular float, merely for convenience
+ // TODO: Perform proper arithmetic on this!
+ float value;
+};
+
+static_assert(sizeof(float24) == sizeof(float), "Shader JIT assumes float24 is implemented as a 32-bit float");
+
+} // namespace Pica
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 16:35:17 +0100