Glide Plugin GLES2 port from mupen64plus-ae, but with special FrameSkip code

[mupen64plus-pandora.git] / source / gles2glide64 / src / GlideHQ / tc-1.1+ / internal.h

diff --git a/source/gles2glide64/src/GlideHQ/tc-1.1+/internal.h b/source/gles2glide64/src/GlideHQ/tc-1.1+/internal.h
new file mode 100644 (file)
index 0000000..f1cd6dc
--- /dev/null
+++ b/source/gles2glide64/src/GlideHQ/tc-1.1+/internal.h
@@ -0,0 +1,137 @@
+/*
+ * Texture compression
+ * Version:  1.0
+ *
+ * Copyright (C) 2004  Daniel Borca   All Rights Reserved.
+ *
+ * this is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * this is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Make; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.       
+ */
+
+
+#ifndef INTERNAL_H_included
+#define INTERNAL_H_included
+
+/*****************************************************************************\
+ * DLL stuff
+\*****************************************************************************/
+
+#ifdef __WIN32__
+#define TAPI __declspec(dllexport)
+#define TAPIENTRY /*__stdcall*/
+#else
+#define TAPI
+#define TAPIENTRY
+#endif
+
+
+/*****************************************************************************\
+ * 64bit types on 32bit machine
+\*****************************************************************************/
+
+#if (defined(__GNUC__) && !defined(__cplusplus)) || defined(__MSC__)
+
+typedef unsigned long long qword;
+
+#define Q_MOV32(a, b) a = b
+#define Q_OR32(a, b)  a |= b
+#define Q_SHL(a, c)   a <<= c
+
+#else  /* !__GNUC__ */
+
+typedef struct {
+    dword lo, hi;
+} qword;
+
+#define Q_MOV32(a, b) a.lo = b
+#define Q_OR32(a, b)  a.lo |= b
+#define Q_SHL(a, c)                                    \
+    do {                                               \
+       if ((c) >= 32) {                                \
+           a.hi = a.lo << ((c) - 32);                  \
+           a.lo = 0;                                   \
+       } else {                                        \
+           a.hi = (a.hi << (c)) | (a.lo >> (32 - (c)));\
+           a.lo <<= c;                                 \
+       }                                               \
+    } while (0)
+
+#endif /* !__GNUC__ */
+
+
+/*****************************************************************************\
+ * Config
+\*****************************************************************************/
+
+#define RCOMP 0
+#define GCOMP 1
+#define BCOMP 2
+#define ACOMP 3
+
+/*****************************************************************************\
+ * Metric
+\*****************************************************************************/
+
+#define F(i) (float)1 /* can be used to obtain an oblong metric: 0.30 / 0.59 / 0.11 */
+#define SAFECDOT 1 /* for paranoids */
+
+#define MAKEIVEC(NV, NC, IV, B, V0, V1)        \
+    do {                               \
+       /* compute interpolation vector */\
+       float d2 = 0.0F;                \
+       float rd2;                      \
+                                       \
+       for (i = 0; i < NC; i++) {      \
+           IV[i] = (V1[i] - V0[i]) * F(i);\
+           d2 += IV[i] * IV[i];        \
+       }                               \
+       rd2 = (float)NV / d2;           \
+       B = 0;                          \
+       for (i = 0; i < NC; i++) {      \
+           IV[i] *= F(i);              \
+           B -= IV[i] * V0[i];         \
+           IV[i] *= rd2;               \
+       }                               \
+       B = B * rd2 + 0.5F;             \
+    } while (0)
+
+#define CALCCDOT(TEXEL, NV, NC, IV, B, V)\
+    do {                               \
+       float dot = 0.0F;               \
+       for (i = 0; i < NC; i++) {      \
+           dot += V[i] * IV[i];        \
+       }                               \
+       TEXEL = (int)(dot + B);         \
+       if (SAFECDOT) {                 \
+           if (TEXEL < 0) {            \
+               TEXEL = 0;              \
+           } else if (TEXEL > NV) {    \
+               TEXEL = NV;             \
+           }                           \
+       }                               \
+    } while (0)
+
+
+/*****************************************************************************\
+ * Utility functions
+\*****************************************************************************/
+
+void
+_mesa_upscale_teximage2d (unsigned int inWidth, unsigned int inHeight,
+                         unsigned int outWidth, unsigned int outHeight,
+                         unsigned int comps,
+                         const byte *src, int srcRowStride,
+                         unsigned char *dest);
+
+#endif