unai: Add support for big-endian

[pcsx_rearmed.git] / plugins / gpu_unai / gpu_unai.h

diff --git a/plugins/gpu_unai/gpu_unai.h b/plugins/gpu_unai/gpu_unai.h
index 6886eb8..7aa0667 100644 (file)
--- a/plugins/gpu_unai/gpu_unai.h
+++ b/plugins/gpu_unai/gpu_unai.h
@@ -54,25 +54,67 @@
 #define s32 int32_t
 #define s64 int64_t
 
+typedef struct {
+        u32 v;
+} le32_t;
+
+typedef struct {
+        u16 v;
+} le16_t;
+
+static inline u32 le32_to_u32(le32_t le)
+{
+        return LE32TOH(le.v);
+}
+
+static inline s32 le32_to_s32(le32_t le)
+{
+        return (int32_t) LE32TOH(le.v);
+}
+
+static inline u32 le32_raw(le32_t le)
+{
+       return le.v;
+}
+
+static inline le32_t u32_to_le32(u32 u)
+{
+       return (le32_t){ .v = HTOLE32(u) };
+}
+
+static inline u16 le16_to_u16(le16_t le)
+{
+        return LE16TOH(le.v);
+}
+
+static inline s16 le16_to_s16(le16_t le)
+{
+        return (int16_t) LE16TOH(le.v);
+}
+
+static inline u16 le16_raw(le16_t le)
+{
+       return le.v;
+}
+
+static inline le16_t u16_to_le16(u16 u)
+{
+       return (le16_t){ .v = HTOLE16(u) };
+}
+
 union PtrUnion
 {
-       u32  *U4;
-       s32  *S4;
-       u16  *U2;
-       s16  *S2;
+       le32_t  *U4;
+       le16_t  *U2;
        u8   *U1;
-       s8   *S1;
        void *ptr;
 };
 
 union GPUPacket
 {
-       u32 U4[16];
-       s32 S4[16];
-       u16 U2[32];
-       s16 S2[32];
+       le32_t U4[16];
+       le16_t U2[32];
        u8  U1[64];
-       s8  S1[64];
 };
 
 template<class T> static inline void SwapValues(T &x, T &y)
@@ -136,7 +178,7 @@ static inline s32 GPU_DIV(s32 rs, s32 rt)
 struct gpu_unai_t {
        u32 GPU_GP1;
        GPUPacket PacketBuffer;
-       u16 *vram;
+       le16_t *vram;
 
 #ifdef USE_GPULIB
        u16 *downscale_vram;
@@ -164,7 +206,7 @@ struct gpu_unai_t {
        struct {
                s32  px,py;
                s32  x_end,y_end;
-               u16* pvram;
+               le16_t* pvram;
                u32 *last_dma;     // Last dma pointer
                bool FrameToRead;  // Load image in progress
                bool FrameToWrite; // Store image in progress
@@ -197,8 +239,8 @@ struct gpu_unai_t {
        s16 DrawingOffset[2];  // [0] : Drawing offset X (signed)
                               // [1] : Drawing offset Y (signed)
 
-       u16* TBA;              // Ptr to current texture in VRAM
-       u16* CBA;              // Ptr to current CLUT in VRAM
+       le16_t* TBA;              // Ptr to current texture in VRAM
+       le16_t* CBA;              // Ptr to current CLUT in VRAM
 
        ////////////////////////////////////////////////////////////////////////////
        //  Inner Loop parameters