--- /dev/null
+/******************************************************************************
+ * Arachnoid Graphics Plugin for Mupen64Plus
+ * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
+ *
+ * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
+ *
+ * This program 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
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *****************************************************************************/
+
+//*****************************************************************************
+//
+// NOTE THAT THIS FILE IS BASED ON MATERIAL FROM glN64.
+// http://gln64.emulation64.com/
+//
+//*****************************************************************************
+
+#include "ImageFormatSelector.h"
+#include "CachedTexture.h"
+#include "assembler.h"
+#include "GBIDefs.h"
+#include "m64p.h"
+#include "OpenGL.h"
+#include "Memory.h"
+
+#ifndef GL_EXT_packed_pixels
+#define GL_EXT_packed_pixels 1
+ #define GL_UNSIGNED_BYTE_3_3_2_EXT 0x8032
+ #define GL_UNSIGNED_SHORT_4_4_4_4_EXT 0x8033
+ #define GL_UNSIGNED_SHORT_5_5_5_1_EXT 0x8034
+ #define GL_UNSIGNED_INT_8_8_8_8_EXT 0x8035
+ #define GL_UNSIGNED_INT_10_10_10_2_EXT 0x8036
+#endif /* GL_EXT_packed_pixels */
+
+unsigned long long* TMEM = Memory::getTextureMemory();
+
+
+inline unsigned int GetNone( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return 0x00000000;
+}
+
+inline unsigned int GetCI4IA_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ unsigned char color4B;
+
+ color4B = ((unsigned char*)src)[(x>>1)^(i<<1)];
+
+ if (x & 1)
+ return IA88_RGBA4444( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B & 0x0F)] );
+ else
+ return IA88_RGBA4444( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B >> 4)] );
+}
+
+inline unsigned int GetCI4IA_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ unsigned char color4B;
+
+ color4B = ((unsigned char*)src)[(x>>1)^(i<<1)];
+
+ if (x & 1)
+ return IA88_RGBA8888( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B & 0x0F)] );
+ else
+ return IA88_RGBA8888( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B >> 4)] );
+}
+
+inline unsigned int GetCI4RGBA_RGBA5551( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ unsigned char color4B;
+
+ color4B = ((unsigned char*)src)[(x>>1)^(i<<1)];
+
+ if (x & 1)
+ return RGBA5551_RGBA5551( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B & 0x0F)] );
+ else
+ return RGBA5551_RGBA5551( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B >> 4)] );
+}
+
+inline unsigned int GetCI4RGBA_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ unsigned char color4B;
+
+ color4B = ((unsigned char*)src)[(x>>1)^(i<<1)];
+
+ if (x & 1)
+ return RGBA5551_RGBA8888( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B & 0x0F)] );
+ else
+ return RGBA5551_RGBA8888( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B >> 4)] );
+}
+
+inline unsigned int GetIA31_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ unsigned char color4B;
+
+ color4B = ((unsigned char*)src)[(x>>1)^(i<<1)];
+
+ return IA31_RGBA8888( (x & 1) ? (color4B & 0x0F) : (color4B >> 4) );
+}
+
+inline unsigned int GetIA31_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ unsigned char color4B;
+
+ color4B = ((unsigned char*)src)[(x>>1)^(i<<1)];
+
+ return IA31_RGBA4444( (x & 1) ? (color4B & 0x0F) : (color4B >> 4) );
+}
+
+inline unsigned int GetI4_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ unsigned char color4B;
+
+ color4B = ((unsigned char*)src)[(x>>1)^(i<<1)];
+
+ return I4_RGBA8888( (x & 1) ? (color4B & 0x0F) : (color4B >> 4) );
+}
+
+inline unsigned int GetI4_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ unsigned char color4B;
+
+ color4B = ((unsigned char*)src)[(x>>1)^(i<<1)];
+
+ return I4_RGBA4444( (x & 1) ? (color4B & 0x0F) : (color4B >> 4) );
+}
+
+inline unsigned int GetCI8IA_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return IA88_RGBA4444( *(unsigned short*)&TMEM[256 + ((unsigned char*)src)[x^(i<<1)]] );
+}
+
+inline unsigned int GetCI8IA_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return IA88_RGBA8888( *(unsigned short*)&TMEM[256 + ((unsigned char*)src)[x^(i<<1)]] );
+}
+
+inline unsigned int GetCI8RGBA_RGBA5551( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return RGBA5551_RGBA5551( *(unsigned short*)&TMEM[256 + ((unsigned char*)src)[x^(i<<1)]] );
+}
+
+inline unsigned int GetCI8RGBA_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return RGBA5551_RGBA8888( *(unsigned short*)&TMEM[256 + ((unsigned char*)src)[x^(i<<1)]] );
+}
+
+inline unsigned int GetIA44_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return IA44_RGBA8888(((unsigned char*)src)[x^(i<<1)]);
+}
+
+inline unsigned int GetIA44_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return IA44_RGBA4444(((unsigned char*)src)[x^(i<<1)]);
+}
+
+inline unsigned int GetI8_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return I8_RGBA8888(((unsigned char*)src)[x^(i<<1)]);
+}
+
+inline unsigned int GetI8_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return I8_RGBA4444(((unsigned char*)src)[x^(i<<1)]);
+}
+
+inline unsigned int GetRGBA5551_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return RGBA5551_RGBA8888( ((unsigned short*)src)[x^i] );
+}
+
+inline unsigned int GetRGBA5551_RGBA5551( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return RGBA5551_RGBA5551( ((unsigned short*)src)[x^i] );
+}
+
+inline unsigned int GetIA88_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return IA88_RGBA8888(((unsigned short*)src)[x^i]);
+}
+
+inline unsigned int GetIA88_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return IA88_RGBA4444(((unsigned short*)src)[x^i]);
+}
+
+inline unsigned int GetRGBA8888_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return ((unsigned int*)src)[x^i];
+}
+
+inline unsigned int GetRGBA8888_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette )
+{
+ return RGBA8888_RGBA4444(((unsigned int*)src)[x^i]);
+}
+
+/*
+const struct
+{
+ GetTexelFunc Get16;
+ unsigned int glType16;
+ int glInternalFormat16;
+ GetTexelFunc Get32;
+ unsigned int glType32;
+ int glInternalFormat32;
+ unsigned int autoFormat, lineShift, maxTexels;
+}
+*/
+ImageFormat ImageFormatSelector::imageFormats[4][5] =
+{ // Get16 glType16 glInternalFormat16 Get32 glType32 glInternalFormat32 autoFormat
+ { // 4-bit
+ { GetCI4RGBA_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetCI4RGBA_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 4, 4096 }, // CI (Banjo-Kazooie uses this, doesn't make sense, but it works...)
+ { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 4, 8192 }, // YUV
+ { GetCI4RGBA_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetCI4RGBA_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 4, 4096 }, // CI
+ { GetIA31_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetIA31_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 4, 8192 }, // IA
+ { GetI4_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetI4_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 4, 8192 }, // I
+ },
+ { // 8-bit
+ { GetCI8RGBA_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetCI8RGBA_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 3, 2048 }, // RGBA
+ { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 4096 }, // YUV
+ { GetCI8RGBA_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetCI8RGBA_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 3, 2048 }, // CI
+ { GetIA44_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetIA44_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 3, 4096 }, // IA
+ { GetI8_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetI8_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA8, 3, 4096 }, // I
+ },
+ { // 16-bit
+ { GetRGBA5551_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetRGBA5551_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 2, 2048 }, // RGBA
+ { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 2, 2048 }, // YUV
+ { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 2048 }, // CI
+ { GetIA88_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetIA88_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA8, 2, 2048 }, // IA
+ { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 2048 }, // I
+ },
+ { // 32-bit
+ { GetRGBA8888_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetRGBA8888_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA8, 2, 1024 }, // RGBA
+ { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 1024 }, // YUV
+ { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 1024 }, // CI
+ { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 1024 }, // IA
+ { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 1024 }, // I
+ }
+};
+
+//-----------------------------------------------------------------------------
+//! Constructor
+//-----------------------------------------------------------------------------
+ImageFormatSelector::ImageFormatSelector()
+{
+}
+
+//-----------------------------------------------------------------------------
+//! Destructor
+//-----------------------------------------------------------------------------
+ImageFormatSelector::~ImageFormatSelector()
+{
+
+}
+
+//-----------------------------------------------------------------------------
+// Detect Image Format
+//-----------------------------------------------------------------------------
+void ImageFormatSelector::detectImageFormat(CachedTexture* texture, unsigned int textureBitDepth, GetTexelFunc& getTexelFunc, unsigned int& internalFormat, int& imageType, unsigned int textureLUT)
+{
+ if (((imageFormats[texture->size][texture->format].autoFormat == GL_RGBA8) ||
+ ((texture->format == G_IM_FMT_CI) && (textureLUT == G_TT_IA16)) ||
+ (textureBitDepth == 2)) && (textureBitDepth != 0))
+ {
+ texture->m_textureSize = (texture->realWidth * texture->realHeight) << 2;
+ if ((texture->format == G_IM_FMT_CI) && (textureLUT == G_TT_IA16))
+ {
+ if (texture->size == G_IM_SIZ_4b)
+ getTexelFunc = GetCI4IA_RGBA8888;
+ else
+ getTexelFunc = GetCI8IA_RGBA8888;
+
+ internalFormat = GL_RGBA8;
+ imageType = GL_UNSIGNED_BYTE;
+ }
+ else
+ {
+ getTexelFunc = imageFormats[texture->size][texture->format].Get32;
+ internalFormat = imageFormats[texture->size][texture->format].glInternalFormat32;
+ imageType = imageFormats[texture->size][texture->format].glType32;
+ }
+ }
+ else
+ {
+ texture->m_textureSize = (texture->realWidth * texture->realHeight) << 1;
+ if ((texture->format == G_IM_FMT_CI) && (textureLUT == G_TT_IA16))
+ {
+ if (texture->size == G_IM_SIZ_4b)
+ getTexelFunc = GetCI4IA_RGBA4444;
+ else
+ getTexelFunc = GetCI8IA_RGBA4444;
+
+ internalFormat = GL_RGBA4;
+ imageType = GL_UNSIGNED_SHORT_4_4_4_4_EXT;
+ }
+ else
+ {
+ getTexelFunc = imageFormats[texture->size][texture->format].Get16;
+ internalFormat = imageFormats[texture->size][texture->format].glInternalFormat16;
+ imageType = imageFormats[texture->size][texture->format].glType16;
+ }
+ }
+}
notaz.gp2x.de / mupen64plus-pandora.git / blobdiff