diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/windows/gldirect/mesasw')
| -rw-r--r-- | mesalib/src/mesa/drivers/windows/gldirect/mesasw/colors.h | 520 | ||||
| -rw-r--r-- | mesalib/src/mesa/drivers/windows/gldirect/mesasw/gld_wgl_mesasw.c | 1681 |
2 files changed, 0 insertions, 2201 deletions
diff --git a/mesalib/src/mesa/drivers/windows/gldirect/mesasw/colors.h b/mesalib/src/mesa/drivers/windows/gldirect/mesasw/colors.h deleted file mode 100644 index 12b5003bf..000000000 --- a/mesalib/src/mesa/drivers/windows/gldirect/mesasw/colors.h +++ /dev/null @@ -1,520 +0,0 @@ -/* File name : colors.h
- * Version : 2.3
- *
- * Header file for display driver for Mesa 2.3 under
- * Windows95 and WindowsNT
- * This file defines macros and global variables needed
- * for converting color format
- *
- * Copyright (C) 1996- Li Wei
- * Address : Institute of Artificial Intelligence
- * : & Robotics
- * : Xi'an Jiaotong University
- * Email : liwei@aiar.xjtu.edu.cn
- * Web page : http://sun.aiar.xjtu.edu.cn
- *
- * This file and its associations are partially based on the
- * Windows NT driver for Mesa, written by Mark Leaming
- * (mark@rsinc.com).
- */
-
-/*
- * Macros for pixel format defined
- */
-
-/*
- * Revision 1.1 2004/04/20 11:13:11 alanh
- * add SciTech's GLDirect driver for Windows.
- *
- * This code is donated to Mesa which allows the usage of
- * a Direct3D layer (DX7, DX8, DX9 or complete software fallback).
- *
- * No build system exists for this code yet, that will come.....
- *
- * Revision 1.1.1.1 1999/08/19 00:55:42 jtg
- * Imported sources
- *
- * Revision 1.2 1999/01/03 03:08:57 brianp
- * Ted Jump's changes
- *
- * Revision 1.1 1999/01/03 03:08:12 brianp
- * Initial revision
- *
- * Revision 2.0.2 1997/4/30 15:58:00 CST by Li Wei(liwei@aiar.xjtu.edu.cn)
- * Add LUTs need for dithering
- */
-
-/*
- * Revision 1.1 2004/04/20 11:13:11 alanh
- * add SciTech's GLDirect driver for Windows.
- *
- * This code is donated to Mesa which allows the usage of
- * a Direct3D layer (DX7, DX8, DX9 or complete software fallback).
- *
- * No build system exists for this code yet, that will come.....
- *
- * Revision 1.1.1.1 1999/08/19 00:55:42 jtg
- * Imported sources
- *
- * Revision 1.2 1999/01/03 03:08:57 brianp
- * Ted Jump's changes
- *
- * Revision 1.1 1999/01/03 03:08:12 brianp
- * Initial revision
- *
- * Revision 2.0.1 1997/4/29 15:52:00 CST by Li Wei(liwei@aiar.xjtu.edu.cn)
- * Add BGR8 Macro
- */
-
-/*
- * Revision 1.1 2004/04/20 11:13:11 alanh
- * add SciTech's GLDirect driver for Windows.
- *
- * This code is donated to Mesa which allows the usage of
- * a Direct3D layer (DX7, DX8, DX9 or complete software fallback).
- *
- * No build system exists for this code yet, that will come.....
- *
- * Revision 1.1.1.1 1999/08/19 00:55:42 jtg
- * Imported sources
- *
- * Revision 1.2 1999/01/03 03:08:57 brianp
- * Ted Jump's changes
- *
- * Revision 1.1 1999/01/03 03:08:12 brianp
- * Initial revision
- *
- * Revision 2.0 1996/11/15 10:55:00 CST by Li Wei(liwei@aiar.xjtu.edu.cn)
- * Initial revision
- */
-/* Values for wmesa->pixelformat: */
-
-#define PF_8A8B8G8R 3 /* 32-bit TrueColor: 8-A, 8-B, 8-G, 8-R */
-#define PF_8R8G8B 4 /* 32-bit TrueColor: 8-R, 8-G, 8-B */
-#define PF_5R6G5B 5 /* 16-bit TrueColor: 5-R, 6-G, 5-B bits */
-#define PF_DITHER8 6 /* Dithered RGB using a lookup table */
-#define PF_LOOKUP 7 /* Undithered RGB using a lookup table */
-#define PF_GRAYSCALE 10 /* Grayscale or StaticGray */
-#define PF_BADFORMAT 11
-#define PF_INDEX8 12
-
-char ColorMap16[] = {
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
-0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,
-0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,
-0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,
-0x05,0x05,0x05,0x05,0x05,0x05,0x05,0x05,
-0x06,0x06,0x06,0x06,0x06,0x06,0x06,0x06,
-0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,
-0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,
-0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,
-0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,
-0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,
-0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,
-0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,
-0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,
-0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,
-0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
-0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,
-0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,
-0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,
-0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x14,
-0x15,0x15,0x15,0x15,0x15,0x15,0x15,0x15,
-0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,
-0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,
-0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,
-0x19,0x19,0x19,0x19,0x19,0x19,0x19,0x19,
-0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,
-0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,
-0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,
-0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,
-0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,
-0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F};
-
-#define BGR8(r,g,b) (unsigned)(((BYTE)(b & 0xc0 | (g & 0xe0)>>2 | (r & 0xe0)>>5)))
-#ifdef DDRAW
-#define BGR16(r,g,b) ((WORD)(((BYTE)(ColorMap16[b]) | ((BYTE)(g&0xfc) << 3)) | (((WORD)(BYTE)(ColorMap16[r])) << 11)))
-#else
-#define BGR16(r,g,b) ((WORD)(((BYTE)(ColorMap16[b]) | ((BYTE)(ColorMap16[g]) << 5)) | (((WORD)(BYTE)(ColorMap16[r])) << 10)))
-#endif
-#define BGR24(r,g,b) (unsigned long)(((DWORD)(((BYTE)(b)|((WORD)((BYTE)(g))<<8))|(((DWORD)(BYTE)(r))<<16))) << 8)
-#define BGR32(r,g,b) (unsigned long)((DWORD)(((BYTE)(b)|((WORD)((BYTE)(g))<<8))|(((DWORD)(BYTE)(r))<<16)))
-
-
-
-/*
- * If pixelformat==PF_8A8B8G8R:
- */
-#define PACK_8A8B8G8R( R, G, B, A ) \
- ( ((A) << 24) | ((B) << 16) | ((G) << 8) | (R) )
-
-
-/*
- * If pixelformat==PF_8R8G8B:
- */
-#define PACK_8R8G8B( R, G, B) ( ((R) << 16) | ((G) << 8) | (B) )
-
-
-/*
- * If pixelformat==PF_5R6G5B:
- */
-
-
-#ifdef DDRAW
-#define PACK_5R6G5B( R, G, B) ((WORD)(((BYTE)(ColorMap16[B]) | ((BYTE)(G&0xfc) << 3)) | (((WORD)(BYTE)(ColorMap16[R])) << 11)))
-#else
-#define PACK_5R6G5B( R, G, B) ((WORD)(((BYTE)(ColorMap16[B]) | ((BYTE)(ColorMap16[G]) << 5)) | (((WORD)(BYTE)(ColorMap16[R])) << 10)))
-#endif
-/*----------------------------------------------------------------------------
-
-Division lookup tables. These tables compute 0-255 divided by 51 and
-modulo 51. These tables could approximate gamma correction.
-
-*/
-
-char unsigned const aDividedBy51Rounded[256] =
-{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
- 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
-};
-
-char unsigned const aDividedBy51[256] =
-{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5,
-};
-
-char unsigned const aModulo51[256] =
-{
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
- 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
- 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
- 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
- 49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
- 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
- 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0,
-};
-
-/*----------------------------------------------------------------------------
-
-Multiplication LUTs. These compute 0-5 times 6 and 36.
-
-*/
-
-char unsigned const aTimes6[6] =
-{
- 0, 6, 12, 18, 24, 30
-};
-
-char unsigned const aTimes36[6] =
-{
- 0, 36, 72, 108, 144, 180
-};
-
-
-/*----------------------------------------------------------------------------
-
-Dither matrices for 8 bit to 2.6 bit halftones.
-
-*/
-
-char unsigned const aHalftone16x16[256] =
-{
- 0, 44, 9, 41, 3, 46, 12, 43, 1, 44, 10, 41, 3, 46, 12, 43,
- 34, 16, 25, 19, 37, 18, 28, 21, 35, 16, 26, 19, 37, 18, 28, 21,
- 38, 6, 47, 3, 40, 9, 50, 6, 38, 7, 47, 4, 40, 9, 49, 6,
- 22, 28, 13, 31, 25, 31, 15, 34, 22, 29, 13, 32, 24, 31, 15, 34,
- 2, 46, 12, 43, 1, 45, 10, 42, 2, 45, 11, 42, 1, 45, 11, 42,
- 37, 18, 27, 21, 35, 17, 26, 20, 36, 17, 27, 20, 36, 17, 26, 20,
- 40, 8, 49, 5, 38, 7, 48, 4, 39, 8, 48, 5, 39, 7, 48, 4,
- 24, 30, 15, 33, 23, 29, 13, 32, 23, 30, 14, 33, 23, 29, 14, 32,
- 2, 46, 12, 43, 0, 44, 10, 41, 3, 47, 12, 44, 0, 44, 10, 41,
- 37, 18, 27, 21, 35, 16, 25, 19, 37, 19, 28, 22, 35, 16, 25, 19,
- 40, 9, 49, 5, 38, 7, 47, 4, 40, 9, 50, 6, 38, 6, 47, 3,
- 24, 30, 15, 34, 22, 29, 13, 32, 25, 31, 15, 34, 22, 28, 13, 31,
- 1, 45, 11, 42, 2, 46, 11, 42, 1, 45, 10, 41, 2, 46, 11, 43,
- 36, 17, 26, 20, 36, 17, 27, 21, 35, 16, 26, 20, 36, 18, 27, 21,
- 39, 8, 48, 4, 39, 8, 49, 5, 38, 7, 48, 4, 39, 8, 49, 5,
- 23, 29, 14, 33, 24, 30, 14, 33, 23, 29, 13, 32, 24, 30, 14, 33,
-};
-
-char unsigned const aHalftone8x8[64] =
-{
- 0, 38, 9, 47, 2, 40, 11, 50,
- 25, 12, 35, 22, 27, 15, 37, 24,
- 6, 44, 3, 41, 8, 47, 5, 43,
- 31, 19, 28, 15, 34, 21, 31, 18,
- 1, 39, 11, 49, 0, 39, 10, 48,
- 27, 14, 36, 23, 26, 13, 35, 23,
- 7, 46, 4, 43, 7, 45, 3, 42,
- 33, 20, 30, 17, 32, 19, 29, 16,
-};
-
-char unsigned const aHalftone4x4_1[16] =
-{
- 0, 25, 6, 31,
- 38, 12, 44, 19,
- 9, 35, 3, 28,
- 47, 22, 41, 15
-};
-
-char unsigned const aHalftone4x4_2[16] =
-{
- 41, 3, 9, 28,
- 35, 15, 22, 47,
- 6, 25, 38, 0,
- 19, 44, 31, 12
-};
-
-/***************************************************************************
- aWinGHalftoneTranslation
-
- Translates a 2.6 bit-per-pixel halftoned representation into the
- slightly rearranged WinG Halftone Palette.
-*/
-
-char unsigned const aWinGHalftoneTranslation[216] =
-{
- 0,
- 29,
- 30,
- 31,
- 32,
- 249,
- 33,
- 34,
- 35,
- 36,
- 37,
- 38,
- 39,
- 40,
- 41,
- 42,
- 43,
- 44,
- 45,
- 46,
- 47,
- 48,
- 49,
- 50,
- 51,
- 52,
- 53,
- 54,
- 55,
- 56,
- 250,
- 250,
- 57,
- 58,
- 59,
- 251,
- 60,
- 61,
- 62,
- 63,
- 64,
- 65,
- 66,
- 67,
- 68,
- 69,
- 70,
- 71,
- 72,
- 73,
- 74,
- 75,
- 76,
- 77,
- 78,
- 79,
- 80,
- 81,
- 82,
- 83,
- 84,
- 85,
- 86,
- 87,
- 88,
- 89,
- 250,
- 90,
- 91,
- 92,
- 93,
- 94,
- 95,
- 96,
- 97,
- 98,
- 99,
- 100,
- 101,
- 102,
- 103,
- 104,
- 105,
- 106,
- 107,
- 108,
- 109,
- 110,
- 111,
- 227,
- 112,
- 113,
- 114,
- 115,
- 116,
- 117,
- 118,
- 119,
- 151,
- 120,
- 121,
- 122,
- 123,
- 124,
- 228,
- 125,
- 126,
- 229,
- 133,
- 162,
- 135,
- 131,
- 132,
- 137,
- 166,
- 134,
- 140,
- 130,
- 136,
- 143,
- 138,
- 139,
- 174,
- 141,
- 142,
- 177,
- 129,
- 144,
- 145,
- 146,
- 147,
- 148,
- 149,
- 150,
- 157,
- 152,
- 153,
- 154,
- 155,
- 156,
- 192,
- 158,
- 159,
- 160,
- 161,
- 196,
- 163,
- 164,
- 165,
- 127,
- 199,
- 167,
- 168,
- 169,
- 170,
- 171,
- 172,
- 173,
- 207,
- 175,
- 176,
- 210,
- 178,
- 179,
- 180,
- 181,
- 182,
- 183,
- 184,
- 185,
- 186,
- 187,
- 188,
- 189,
- 190,
- 191,
- 224,
- 193,
- 194,
- 195,
- 252,
- 252,
- 197,
- 198,
- 128,
- 253,
- 252,
- 200,
- 201,
- 202,
- 203,
- 204,
- 205,
- 206,
- 230,
- 208,
- 209,
- 231,
- 211,
- 212,
- 213,
- 214,
- 215,
- 216,
- 217,
- 218,
- 219,
- 220,
- 221,
- 222,
- 254,
- 223,
- 232,
- 225,
- 226,
- 255,
-};
diff --git a/mesalib/src/mesa/drivers/windows/gldirect/mesasw/gld_wgl_mesasw.c b/mesalib/src/mesa/drivers/windows/gldirect/mesasw/gld_wgl_mesasw.c deleted file mode 100644 index 02f0dfacd..000000000 --- a/mesalib/src/mesa/drivers/windows/gldirect/mesasw/gld_wgl_mesasw.c +++ /dev/null @@ -1,1681 +0,0 @@ -/****************************************************************************
-*
-* Mesa 3-D graphics library
-* Direct3D Driver Interface
-*
-* ========================================================================
-*
-* Copyright (C) 1991-2004 SciTech Software, Inc. All rights reserved.
-*
-* Permission is hereby granted, free of charge, to any person obtaining a
-* copy of this software and associated documentation files (the "Software"),
-* to deal in the Software without restriction, including without limitation
-* the rights to use, copy, modify, merge, publish, distribute, sublicense,
-* and/or sell copies of the Software, and to permit persons to whom the
-* Software is furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included
-* in all copies or substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-* SCITECH SOFTWARE INC BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
-* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-* SOFTWARE.
-*
-* ======================================================================
-*
-* Language: ANSI C
-* Environment: Windows 9x/2000/XP/XBox (Win32)
-*
-* Description: Mesa Software WGL (WindowsGL)
-*
-****************************************************************************/
-
-#include <windows.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/gl.h>
-#include <GL/glext.h>
-
-#include "glheader.h"
-#include "colors.h"
-#include "context.h"
-#include "colormac.h"
-#include "dd.h"
-#include "depth.h"
-#include "extensions.h"
-#include "macros.h"
-#include "matrix.h"
-// #include "mem.h"
-//#include "mmath.h"
-#include "mtypes.h"
-#include "texformat.h"
-#include "texstore.h"
-#include "teximage.h"
-#include "vbo/vbo.h"
-#include "swrast/swrast.h"
-#include "swrast_setup/swrast_setup.h"
-#include "swrast/s_context.h"
-#include "swrast/s_depth.h"
-#include "swrast/s_lines.h"
-#include "swrast/s_triangle.h"
-#include "tnl/tnl.h"
-#include "tnl/t_context.h"
-#include "tnl/t_pipeline.h"
-
-#include "dglcontext.h"
-#include "gld_driver.h"
-
-//---------------------------------------------------------------------------
-//---------------------------------------------------------------------------
-
-DGL_pixelFormat pfTemplateMesaSW =
-{
- {
- sizeof(PIXELFORMATDESCRIPTOR), // Size of the data structure
- 1, // Structure version - should be 1
- // Flags:
- PFD_DRAW_TO_WINDOW | // The buffer can draw to a window or device surface.
- PFD_DRAW_TO_BITMAP | // The buffer can draw to a bitmap. (DaveM)
- PFD_SUPPORT_GDI | // The buffer supports GDI drawing. (DaveM)
- PFD_SUPPORT_OPENGL | // The buffer supports OpenGL drawing.
- PFD_DOUBLEBUFFER | // The buffer is double-buffered.
- 0, // Placeholder for easy commenting of above flags
- PFD_TYPE_RGBA, // Pixel type RGBA.
- 32, // Total colour bitplanes (excluding alpha bitplanes)
- 8, 0, // Red bits, shift
- 8, 8, // Green bits, shift
- 8, 16, // Blue bits, shift
- 8, 24, // Alpha bits, shift (destination alpha)
- 64, // Accumulator bits (total)
- 16, 16, 16, 16, // Accumulator bits: Red, Green, Blue, Alpha
- 16, // Depth bits
- 8, // Stencil bits
- 0, // Number of auxiliary buffers
- 0, // Layer type
- 0, // Specifies the number of overlay and underlay planes.
- 0, // Layer mask
- 0, // Specifies the transparent color or index of an underlay plane.
- 0 // Damage mask
- },
- 0, // Unused
-};
-
-//---------------------------------------------------------------------------
-// Extensions
-//---------------------------------------------------------------------------
-
-typedef struct {
- PROC proc;
- char *name;
-} GLD_extension;
-
-static GLD_extension GLD_extList[] = {
-#ifdef GL_EXT_polygon_offset
- { (PROC)glPolygonOffsetEXT, "glPolygonOffsetEXT" },
-#endif
- { (PROC)glBlendEquationEXT, "glBlendEquationEXT" },
- { (PROC)glBlendColorEXT, "glBlendColorExt" },
- { (PROC)glVertexPointerEXT, "glVertexPointerEXT" },
- { (PROC)glNormalPointerEXT, "glNormalPointerEXT" },
- { (PROC)glColorPointerEXT, "glColorPointerEXT" },
- { (PROC)glIndexPointerEXT, "glIndexPointerEXT" },
- { (PROC)glTexCoordPointerEXT, "glTexCoordPointer" },
- { (PROC)glEdgeFlagPointerEXT, "glEdgeFlagPointerEXT" },
- { (PROC)glGetPointervEXT, "glGetPointervEXT" },
- { (PROC)glArrayElementEXT, "glArrayElementEXT" },
- { (PROC)glDrawArraysEXT, "glDrawArrayEXT" },
- { (PROC)glAreTexturesResidentEXT, "glAreTexturesResidentEXT" },
- { (PROC)glBindTextureEXT, "glBindTextureEXT" },
- { (PROC)glDeleteTexturesEXT, "glDeleteTexturesEXT" },
- { (PROC)glGenTexturesEXT, "glGenTexturesEXT" },
- { (PROC)glIsTextureEXT, "glIsTextureEXT" },
- { (PROC)glPrioritizeTexturesEXT, "glPrioritizeTexturesEXT" },
- { (PROC)glCopyTexSubImage3DEXT, "glCopyTexSubImage3DEXT" },
- { (PROC)glTexImage3DEXT, "glTexImage3DEXT" },
- { (PROC)glTexSubImage3DEXT, "glTexSubImage3DEXT" },
- { (PROC)glPointParameterfEXT, "glPointParameterfEXT" },
- { (PROC)glPointParameterfvEXT, "glPointParameterfvEXT" },
- { (PROC)glLockArraysEXT, "glLockArraysEXT" },
- { (PROC)glUnlockArraysEXT, "glUnlockArraysEXT" },
- { NULL, "\0" }
-};
-
-//---------------------------------------------------------------------------
-// WMesa Internal Functions
-//---------------------------------------------------------------------------
-
-#define PAGE_FILE 0xffffffff
-
-#define REDBITS 0x03
-#define REDSHIFT 0x00
-#define GREENBITS 0x03
-#define GREENSHIFT 0x03
-#define BLUEBITS 0x02
-#define BLUESHIFT 0x06
-
-typedef struct _dibSection {
- HDC hDC;
- HANDLE hFileMap;
- BOOL fFlushed;
- LPVOID base;
-} WMDIBSECTION, *PWMDIBSECTION;
-
-typedef struct wmesa_context {
- HWND Window;
- HDC hDC;
- HPALETTE hPalette;
- HPALETTE hOldPalette;
- HPEN hPen;
- HPEN hOldPen;
- HCURSOR hOldCursor;
- COLORREF crColor;
- // 3D projection stuff
- RECT drawRect;
- UINT uiDIBoffset;
- // OpenGL stuff
- HPALETTE hGLPalette;
- GLuint width;
- GLuint height;
- GLuint ScanWidth;
- GLboolean db_flag; //* double buffered?
- GLboolean rgb_flag; //* RGB mode?
- GLboolean dither_flag; //* use dither when 256 color mode for RGB?
- GLuint depth; //* bits per pixel (1, 8, 24, etc)
- ULONG pixel; // current color index or RGBA pixel value
- ULONG clearpixel; //* pixel for clearing the color buffers
- PBYTE ScreenMem; // WinG memory
- BITMAPINFO *IndexFormat;
- HPALETTE hPal; // Current Palette
- HPALETTE hPalHalfTone;
-
-
- WMDIBSECTION dib;
- BITMAPINFO bmi;
- HBITMAP hbmDIB;
- HBITMAP hOldBitmap;
- HBITMAP Old_Compat_BM;
- HBITMAP Compat_BM; // Bitmap for double buffering
- PBYTE pbPixels;
- int nColors;
- BYTE cColorBits;
- int pixelformat;
-
- RECT rectOffScreen;
- RECT rectSurface;
-// HWND hwnd;
- DWORD pitch;
- PBYTE addrOffScreen;
-
- // We always double-buffer, for performance reasons, but
- // we need to know which of SwapBuffers() or glFlush() to
- // handle. If we're emulating, then we update on Flush(),
- // otherwise we update on SwapBufers(). KeithH
- BOOL bEmulateSingleBuffer;
-} WMesaContext, *PWMC;
-
-#define GLD_GET_WMESA_DRIVER(c) (WMesaContext*)(c)->glPriv
-
-// TODO:
-GLint stereo_flag = 0 ;
-
-/* If we are double-buffering, we want to get the DC for the
- * off-screen DIB, otherwise the DC for the window.
- */
-#define DD_GETDC ((Current->db_flag) ? Current->dib.hDC : Current->hDC )
-#define DD_RELEASEDC
-
-#define FLIP(Y) (Current->height-(Y)-1)
-
-struct DISPLAY_OPTIONS {
- int stereo;
- int fullScreen;
- int mode;
- int bpp;
-};
-
-struct DISPLAY_OPTIONS displayOptions;
-
-//---------------------------------------------------------------------------
-
-static unsigned char threeto8[8] = {
- 0, 0111>>1, 0222>>1, 0333>>1, 0444>>1, 0555>>1, 0666>>1, 0377
-};
-
-static unsigned char twoto8[4] = {
- 0, 0x55, 0xaa, 0xff
-};
-
-static unsigned char oneto8[2] = {
- 0, 255
-};
-
-//---------------------------------------------------------------------------
-
-BYTE DITHER_RGB_2_8BIT( int red, int green, int blue, int pixel, int scanline)
-{
- char unsigned redtemp, greentemp, bluetemp, paletteindex;
-
- //*** now, look up each value in the halftone matrix
- //*** using an 8x8 ordered dither.
- redtemp = aDividedBy51[red]
- + (aModulo51[red] > aHalftone8x8[(pixel%8)*8
- + scanline%8]);
- greentemp = aDividedBy51[(char unsigned)green]
- + (aModulo51[green] > aHalftone8x8[
- (pixel%8)*8 + scanline%8]);
- bluetemp = aDividedBy51[(char unsigned)blue]
- + (aModulo51[blue] > aHalftone8x8[
- (pixel%8)*8 +scanline%8]);
-
- //*** recombine the halftoned rgb values into a palette index
- paletteindex =
- redtemp + aTimes6[greentemp] + aTimes36[bluetemp];
-
- //*** and translate through the wing halftone palette
- //*** translation vector to give the correct value.
- return aWinGHalftoneTranslation[paletteindex];
-}
-
-//---------------------------------------------------------------------------
-
-static unsigned char componentFromIndex(UCHAR i, UINT nbits, UINT shift)
-{
- unsigned char val;
-
- val = i >> shift;
- switch (nbits) {
-
- case 1:
- val &= 0x1;
- return oneto8[val];
-
- case 2:
- val &= 0x3;
- return twoto8[val];
-
- case 3:
- val &= 0x7;
- return threeto8[val];
-
- default:
- return 0;
- }
-}
-
-//---------------------------------------------------------------------------
-
-
-void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
- WMesaContext *Current = pwc;
-
- // Test for invalid scanline parameter. KeithH
- if ((iScanLine < 0) || (iScanLine >= pwc->height))
- return;
-
- if (Current->db_flag) {
- LPBYTE lpb = pwc->pbPixels;
- UINT nBypp = pwc->cColorBits >> 3;
- UINT nOffset = iPixel % nBypp;
-
- lpb += pwc->ScanWidth * iScanLine;
- lpb += iPixel * nBypp;
-
- if(nBypp == 1){
- if(pwc->dither_flag)
- *lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel);
- else
- *lpb = BGR8(r,g,b);
- }
- else if(nBypp == 2)
- *((LPWORD)lpb) = BGR16(r,g,b);
- else if (nBypp == 3)
- *((LPDWORD)lpb) = BGR24(r,g,b);
- else if (nBypp == 4)
- *((LPDWORD)lpb) = BGR32(r,g,b);
- }
- else{
- SetPixel(Current->hDC, iPixel, iScanLine, RGB(r,g,b));
- }
-}
-
-//---------------------------------------------------------------------------
-
-void wmCreateDIBSection(
- HDC hDC,
- PWMC pwc, // handle of device context
- CONST BITMAPINFO *pbmi, // bitmap size, format, and color data
- UINT iUsage // color data type indicator: RGB values or palette indices
- )
-{
- DWORD dwSize = 0;
- DWORD dwScanWidth;
- UINT nBypp = pwc->cColorBits / 8;
- HDC hic;
-
- dwScanWidth = (((pwc->ScanWidth * nBypp)+ 3) & ~3);
-
- pwc->ScanWidth =pwc->pitch = dwScanWidth;
-
- if (stereo_flag)
- pwc->ScanWidth = 2* pwc->pitch;
-
- dwSize = sizeof(BITMAPINFO) + (dwScanWidth * pwc->height);
-
- pwc->dib.hFileMap = CreateFileMapping((HANDLE)PAGE_FILE,
- NULL,
- PAGE_READWRITE | SEC_COMMIT,
- 0,
- dwSize,
- NULL);
-
- if (!pwc->dib.hFileMap)
- return;
-
- pwc->dib.base = MapViewOfFile(pwc->dib.hFileMap,
- FILE_MAP_ALL_ACCESS,
- 0,
- 0,
- 0);
-
- if(!pwc->dib.base){
- CloseHandle(pwc->dib.hFileMap);
- return;
- }
-
-
- CopyMemory(pwc->dib.base, pbmi, sizeof(BITMAPINFO));
-
- hic = CreateIC("display", NULL, NULL, NULL);
- pwc->dib.hDC = CreateCompatibleDC(hic);
-
-
- pwc->hbmDIB = CreateDIBSection(hic,
- &(pwc->bmi),
- (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS),
- &(pwc->pbPixels),
- pwc->dib.hFileMap,
- 0);
- pwc->ScreenMem = pwc->addrOffScreen = pwc->pbPixels;
- pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB);
-
- DeleteDC(hic);
-
- return;
-
-}
-
-//---------------------------------------------------------------------------
-
-void wmCreatePalette( PWMC pwdc )
-{
- /* Create a compressed and re-expanded 3:3:2 palette */
- int i;
- LOGPALETTE *pPal;
- BYTE rb, rs, gb, gs, bb, bs;
-
- pwdc->nColors = 0x100;
-
- pPal = (PLOGPALETTE)malloc(sizeof(LOGPALETTE) +
- pwdc->nColors * sizeof(PALETTEENTRY));
- memset( pPal, 0, sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY) );
-
- pPal->palVersion = 0x300;
-
- rb = REDBITS;
- rs = REDSHIFT;
- gb = GREENBITS;
- gs = GREENSHIFT;
- bb = BLUEBITS;
- bs = BLUESHIFT;
-
- if (pwdc->db_flag) {
-
- /* Need to make two palettes: one for the screen DC and one for the DIB. */
- pPal->palNumEntries = pwdc->nColors;
- for (i = 0; i < pwdc->nColors; i++) {
- pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
- pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
- pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
- pPal->palPalEntry[i].peFlags = 0;
- }
- pwdc->hGLPalette = CreatePalette( pPal );
- pwdc->hPalette = CreatePalette( pPal );
- }
-
- else {
- pPal->palNumEntries = pwdc->nColors;
- for (i = 0; i < pwdc->nColors; i++) {
- pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
- pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
- pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
- pPal->palPalEntry[i].peFlags = 0;
- }
- pwdc->hGLPalette = CreatePalette( pPal );
- }
-
- free(pPal);
-
-}
-
-//---------------------------------------------------------------------------
-
-/* This function sets the color table of a DIB section
- * to match that of the destination DC
- */
-BOOL wmSetDibColors(PWMC pwc)
-{
- RGBQUAD *pColTab, *pRGB;
- PALETTEENTRY *pPal, *pPE;
- int i, nColors;
- BOOL bRet=TRUE;
- DWORD dwErr=0;
-
- /* Build a color table in the DIB that maps to the
- * selected palette in the DC.
- */
- nColors = 1 << pwc->cColorBits;
- pPal = (PALETTEENTRY *)malloc( nColors * sizeof(PALETTEENTRY));
- memset( pPal, 0, nColors * sizeof(PALETTEENTRY) );
- GetPaletteEntries( pwc->hGLPalette, 0, nColors, pPal );
- pColTab = (RGBQUAD *)malloc( nColors * sizeof(RGBQUAD));
- for (i = 0, pRGB = pColTab, pPE = pPal; i < nColors; i++, pRGB++, pPE++) {
- pRGB->rgbRed = pPE->peRed;
- pRGB->rgbGreen = pPE->peGreen;
- pRGB->rgbBlue = pPE->peBlue;
- }
- if(pwc->db_flag)
- bRet = SetDIBColorTable(pwc->dib.hDC, 0, nColors, pColTab );
-
- if(!bRet)
- dwErr = GetLastError();
-
- free( pColTab );
- free( pPal );
-
- return bRet;
-}
-
-//---------------------------------------------------------------------------
-
-static void wmSetPixelFormat( PWMC wc, HDC hDC)
-{
- if(wc->rgb_flag)
- wc->cColorBits = GetDeviceCaps(hDC, BITSPIXEL);
- else
- wc->cColorBits = 8;
- switch(wc->cColorBits){
- case 8:
- if(wc->dither_flag != GL_TRUE)
- wc->pixelformat = PF_INDEX8;
- else
- wc->pixelformat = PF_DITHER8;
- break;
- case 16:
- wc->pixelformat = PF_5R6G5B;
- break;
- case 32:
- wc->pixelformat = PF_8R8G8B;
- break;
- default:
- wc->pixelformat = PF_BADFORMAT;
- }
-}
-
-//---------------------------------------------------------------------------
-
-/*
- * This function creates the DIB section that is used for combined
- * GL and GDI calls
- */
-BOOL wmCreateBackingStore(PWMC pwc, long lxSize, long lySize)
-{
- HDC hdc = pwc->hDC;
- LPBITMAPINFO pbmi = &(pwc->bmi);
- int iUsage;
-
- pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- pbmi->bmiHeader.biWidth = lxSize;
- pbmi->bmiHeader.biHeight= -lySize;
- pbmi->bmiHeader.biPlanes = 1;
- if(pwc->rgb_flag)
- pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL);
- else
- pbmi->bmiHeader.biBitCount = 8;
- pbmi->bmiHeader.biCompression = BI_RGB;
- pbmi->bmiHeader.biSizeImage = 0;
- pbmi->bmiHeader.biXPelsPerMeter = 0;
- pbmi->bmiHeader.biYPelsPerMeter = 0;
- pbmi->bmiHeader.biClrUsed = 0;
- pbmi->bmiHeader.biClrImportant = 0;
-
- iUsage = (pbmi->bmiHeader.biBitCount <= 8) ? DIB_PAL_COLORS : DIB_RGB_COLORS;
-
- pwc->cColorBits = pbmi->bmiHeader.biBitCount;
- pwc->ScanWidth = pwc->pitch = lxSize;
- pwc->width = lxSize;
- pwc->height = lySize;
-
- wmCreateDIBSection(hdc, pwc, pbmi, iUsage);
-
- if ((iUsage == DIB_PAL_COLORS) && !(pwc->hGLPalette)) {
- wmCreatePalette( pwc );
- wmSetDibColors( pwc );
- }
- wmSetPixelFormat(pwc, pwc->hDC);
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-/*
- * Free up the dib section that was created
- */
-BOOL wmDeleteBackingStore(PWMC pwc)
-{
- SelectObject(pwc->dib.hDC, pwc->hOldBitmap);
- DeleteDC(pwc->dib.hDC);
- DeleteObject(pwc->hbmDIB);
- UnmapViewOfFile(pwc->dib.base);
- CloseHandle(pwc->dib.hFileMap);
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-/*
- * Blit memory DC to screen DC
- */
-BOOL wmFlush(PWMC pwc, HDC hDC)
-{
- BOOL bRet = 0;
- DWORD dwErr = 0;
-
-// Now using bEmulateSingleBuffer in the calling function. KeithH
-
-// if(pwc->db_flag){
- bRet = BitBlt(hDC, 0, 0, pwc->width, pwc->height,
- pwc->dib.hDC, 0, 0, SRCCOPY);
-// }
-
- return bRet;
-
-}
-
-//---------------------------------------------------------------------------
-// Support Functions
-//---------------------------------------------------------------------------
-
-static void flush(struct gl_context* ctx)
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
-/*
- if((Current->rgb_flag &&!(Current->db_flag))
- ||(!Current->rgb_flag))
- {
- wmFlush(Current, Current->hDC);
- }
-*/
- // Only flush if we're not in double-buffer mode. KeithH
- // The demo fractal.c calls glutSwapBuffers() then glFlush()!
- if (Current->bEmulateSingleBuffer) {
- wmFlush(Current, Current->hDC);
- }
-}
-
-
-//---------------------------------------------------------------------------
-
-/*
- * Set the color used to clear the color buffer.
- */
-//static void clear_color( struct gl_context* ctx, const GLchan color[4] )
-// Changed for Mesa 5.x. KeithH
-static void clear_color(
- struct gl_context* ctx,
- const GLfloat color[4])
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLubyte col[4];
- CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]);
- CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]);
- CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]);
- Current->clearpixel = RGB(col[0], col[1], col[2]);
-}
-
-
-//---------------------------------------------------------------------------
-
-
-/*
- * Clear the specified region of the color buffer using the clear color
- * or index as specified by one of the two functions above.
- *
- * This procedure clears either the front and/or the back COLOR buffers.
- * Only the "left" buffer is cleared since we are not stereo.
- * Clearing of the other non-color buffers is left to the swrast.
- * We also only clear the color buffers if the color masks are all 1's.
- * Otherwise, we let swrast do it.
- */
-
-static clear(struct gl_context* ctx, GLbitfield mask,
- GLboolean all, GLint x, GLint y, GLint width, GLint height)
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- DWORD dwColor;
- WORD wColor;
- BYTE bColor;
- LPDWORD lpdw = (LPDWORD)Current->pbPixels;
- LPWORD lpw = (LPWORD)Current->pbPixels;
- LPBYTE lpb = Current->pbPixels;
- int lines;
- const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask;
-
- if (all){
- x=y=0;
- width=Current->width;
- height=Current->height;
- }
-
-
- /* sanity check - can't have right(stereo) buffers */
- assert((mask & (DD_FRONT_RIGHT_BIT | DD_BACK_RIGHT_BIT)) == 0);
-
- /* clear alpha */
- if ((mask & (DD_FRONT_LEFT_BIT | DD_BACK_RIGHT_BIT)) &&
- ctx->DrawBuffer->UseSoftwareAlphaBuffers &&
- ctx->Color.ColorMask[ACOMP]) {
- _swrast_clear_alpha_buffers( ctx );
- }
-
- if (*colorMask == 0xffffffff && ctx->Color.IndexMask == 0xffffffff) {
- if (mask & DD_BACK_LEFT_BIT) {
- /* Double-buffering - clear back buffer */
- UINT nBypp = Current->cColorBits / 8;
- int i = 0;
- int iSize = 0;
-
- assert(Current->db_flag==GL_TRUE); /* we'd better be double buffer */
- if(nBypp ==1 ){
- iSize = Current->width/4;
- bColor = BGR8(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
- wColor = MAKEWORD(bColor,bColor);
- dwColor = MAKELONG(wColor, wColor);
- }
- if(nBypp == 2){
- iSize = Current->width / 2;
- wColor = BGR16(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
- dwColor = MAKELONG(wColor, wColor);
- }
- else if(nBypp == 4){
- iSize = Current->width;
- dwColor = BGR32(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
- }
-
- /* clear a line */
- while(i < iSize){
- *lpdw = dwColor;
- lpdw++;
- i++;
- }
-
- /* This is the 24bit case */
- if (nBypp == 3) {
- iSize = Current->width *3/4;
- dwColor = BGR24(GetRValue(Current->clearpixel),
- GetGValue(Current->clearpixel),
- GetBValue(Current->clearpixel));
- while(i < iSize){
- *lpdw = dwColor;
- lpb += nBypp;
- lpdw = (LPDWORD)lpb;
- i++;
- }
- }
-
- i = 0;
- if (stereo_flag)
- lines = height /2;
- else
- lines = height;
- /* copy cleared line to other lines in buffer */
- do {
- memcpy(lpb, Current->pbPixels, iSize*4);
- lpb += Current->ScanWidth;
- i++;
- }
- while (i<lines-1);
- mask &= ~DD_BACK_LEFT_BIT;
- } /* double-buffer */
-
- if (mask & DD_FRONT_LEFT_BIT) {
- /* single-buffer */
- HDC DC=DD_GETDC;
- HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel);
- HBRUSH Brush=CreateSolidBrush(Current->clearpixel);
- HPEN Old_Pen=SelectObject(DC,Pen);
- HBRUSH Old_Brush=SelectObject(DC,Brush);
- Rectangle(DC,x,y,x+width,y+height);
- SelectObject(DC,Old_Pen);
- SelectObject(DC,Old_Brush);
- DeleteObject(Pen);
- DeleteObject(Brush);
- DD_RELEASEDC;
- mask &= ~DD_FRONT_LEFT_BIT;
- } /* single-buffer */
- } /* if masks are all 1's */
-
- /* Call swrast if there is anything left to clear (like DEPTH) */
- if (mask)
- _swrast_Clear( ctx, mask, all, x, y, width, height );
-}
-
-
-//---------------------------------------------------------------------------
-
-
-static void enable( struct gl_context* ctx, GLenum pname, GLboolean enable )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
-
- if (!Current)
- return;
-
- if (pname == GL_DITHER) {
- if(enable == GL_FALSE){
- Current->dither_flag = GL_FALSE;
- if(Current->cColorBits == 8)
- Current->pixelformat = PF_INDEX8;
- }
- else{
- if (Current->rgb_flag && Current->cColorBits == 8){
- Current->pixelformat = PF_DITHER8;
- Current->dither_flag = GL_TRUE;
- }
- else
- Current->dither_flag = GL_FALSE;
- }
- }
-}
-
-//---------------------------------------------------------------------------
-
-static GLboolean set_draw_buffer( struct gl_context* ctx, GLenum mode )
-{
- /* TODO: this could be better */
- if (mode==GL_FRONT_LEFT || mode==GL_BACK_LEFT) {
- return GL_TRUE;
- }
- else {
- return GL_FALSE;
- }
-}
-
-//---------------------------------------------------------------------------
-
-
-static void set_read_buffer(struct gl_context *ctx, struct gl_framebuffer *colorBuffer,
- GLenum buffer )
-{
- /* XXX todo */
- return;
-}
-
-
-//---------------------------------------------------------------------------
-
-
-/* Return characteristics of the output buffer. */
-//static void buffer_size( struct gl_context* ctx, GLuint *width, GLuint *height )
-// Altered for Mesa 5.x. KeithH
-static void buffer_size(
- struct gl_framebuffer *buffer,
- GLuint *width,
- GLuint *height)
-{
- // For some reason the context is not passed into this function.
- // Therefore we have to explicitly retrieve it.
- GET_CURRENT_CONTEXT(ctx);
-
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- int New_Size;
- RECT CR;
-
- GetClientRect(Current->Window,&CR);
-
- *width=CR.right;
- *height=CR.bottom;
-
- New_Size=((*width)!=Current->width) || ((*height)!=Current->height);
-
- if (New_Size){
- Current->width=*width;
- Current->height=*height;
- Current->ScanWidth=Current->width;
- if ((Current->ScanWidth%sizeof(long))!=0)
- Current->ScanWidth+=(sizeof(long)-(Current->ScanWidth%sizeof(long)));
-
- if (Current->db_flag){
- if (Current->rgb_flag==GL_TRUE && Current->dither_flag!=GL_TRUE){
- wmDeleteBackingStore(Current);
- wmCreateBackingStore(Current, Current->width, Current->height);
- }
- }
-
- }
-}
-
-
-
-/**********************************************************************/
-/***** Accelerated point, line, polygon rendering *****/
-/**********************************************************************/
-
-/* Accelerated routines are not implemented in 4.0. See OSMesa for ideas. */
-
-static void fast_rgb_points( struct gl_context* ctx, GLuint first, GLuint last )
-{
-}
-
-//---------------------------------------------------------------------------
-
-/* Return pointer to accelerated points function */
-extern tnl_points_func choose_points_function( struct gl_context* ctx )
-{
- return NULL;
-}
-
-//---------------------------------------------------------------------------
-
-static void fast_flat_rgb_line( struct gl_context* ctx, GLuint v0,
- GLuint v1, GLuint pv )
-{
-}
-
-//---------------------------------------------------------------------------
-
-static tnl_line_func choose_line_function( struct gl_context* ctx )
-{
-}
-
-
-/**********************************************************************/
-/***** Span-based pixel drawing *****/
-/**********************************************************************/
-
-
-/* Write a horizontal span of 32-bit color-index pixels with a boolean mask. */
-static void write_ci32_span( const struct gl_context* ctx,
- GLuint n, GLint x, GLint y,
- const GLuint index[],
- const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i]=index[i];
-}
-
-
-//---------------------------------------------------------------------------
-
-/* Write a horizontal span of 8-bit color-index pixels with a boolean mask. */
-static void write_ci8_span( const struct gl_context* ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte index[],
- const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i]=index[i];
-}
-
-
-//---------------------------------------------------------------------------
-
-
-/*
- * Write a horizontal span of pixels with a boolean mask. The current
- * color index is used for all pixels.
- */
-static void write_mono_ci_span(const struct gl_context* ctx,
- GLuint n,GLint x,GLint y,
- GLuint colorIndex, const GLubyte mask[])
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i]=colorIndex;
-}
-
-//---------------------------------------------------------------------------
-
-/*
- * To improve the performance of this routine, frob the data into an actual
- * scanline and call bitblt on the complete scan line instead of SetPixel.
- */
-
-/* Write a horizontal span of RGBA color pixels with a boolean mask. */
-static void write_rgba_span( const struct gl_context* ctx, GLuint n, GLint x, GLint y,
- const GLubyte rgba[][4], const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- PWMC pwc = Current;
-
- if (pwc->rgb_flag==GL_TRUE)
- {
- GLuint i;
- HDC DC=DD_GETDC;
- y=FLIP(y);
- if (mask) {
- for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc, y, x + i,
- rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
- }
- else {
- for (i=0; i<n; i++)
- wmSetPixel(pwc, y, x + i,
- rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );
- }
- DD_RELEASEDC;
- }
- else
- {
- GLuint i;
- BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
- y = FLIP(y);
- if (mask) {
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i] = GetNearestPaletteIndex(Current->hPal,
- RGB(rgba[i][RCOMP],
- rgba[i][GCOMP],
- rgba[i][BCOMP]));
- }
- else {
- for (i=0; i<n; i++)
- Mem[i] = GetNearestPaletteIndex(Current->hPal,
- RGB(rgba[i][RCOMP],
- rgba[i][GCOMP],
- rgba[i][BCOMP]));
- }
- }
-}
-
-//---------------------------------------------------------------------------
-
-/* Write a horizontal span of RGB color pixels with a boolean mask. */
-static void write_rgb_span( const struct gl_context* ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte rgb[][3], const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- PWMC pwc = Current;
-
- if (pwc->rgb_flag==GL_TRUE)
- {
- GLuint i;
- HDC DC=DD_GETDC;
- y=FLIP(y);
- if (mask) {
- for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc, y, x + i,
- rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]);
- }
- else {
- for (i=0; i<n; i++)
- wmSetPixel(pwc, y, x + i,
- rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] );
- }
- DD_RELEASEDC;
- }
- else
- {
- GLuint i;
- BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
- y = FLIP(y);
- if (mask) {
- for (i=0; i<n; i++)
- if (mask[i])
- Mem[i] = GetNearestPaletteIndex(Current->hPal,
- RGB(rgb[i][RCOMP],
- rgb[i][GCOMP],
- rgb[i][BCOMP]));
- }
- else {
- for (i=0; i<n; i++)
- Mem[i] = GetNearestPaletteIndex(Current->hPal,
- RGB(rgb[i][RCOMP],
- rgb[i][GCOMP],
- rgb[i][BCOMP]));
- }
- }
-}
-
-//---------------------------------------------------------------------------
-
-/*
- * Write a horizontal span of pixels with a boolean mask. The current color
- * is used for all pixels.
- */
-static void write_mono_rgba_span( const struct gl_context* ctx,
- GLuint n, GLint x, GLint y,
- const GLchan color[4], const GLubyte mask[])
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- ULONG pixel = RGB( color[RCOMP], color[GCOMP], color[BCOMP] );
- GLuint i;
- HDC DC=DD_GETDC;
- PWMC pwc = Current;
- assert(Current->rgb_flag==GL_TRUE);
- y=FLIP(y);
- if(Current->rgb_flag==GL_TRUE){
- for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc,y,x+i,color[RCOMP], color[GCOMP], color[BCOMP]);
- }
- else {
- for (i=0; i<n; i++)
- if (mask[i])
- SetPixel(DC, y, x+i, pixel);
- }
- DD_RELEASEDC;
-}
-
-
-
-/**********************************************************************/
-/***** Array-based pixel drawing *****/
-/**********************************************************************/
-
-
-/* Write an array of 32-bit index pixels with a boolean mask. */
-static void write_ci32_pixels( const struct gl_context* ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLuint index[], const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++) {
- if (mask[i]) {
- BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i];
- *Mem = index[i];
- }
- }
-}
-
-
-//---------------------------------------------------------------------------
-
-
-/*
- * Write an array of pixels with a boolean mask. The current color
- * index is used for all pixels.
- */
-static void write_mono_ci_pixels( const struct gl_context* ctx,
- GLuint n,
- const GLint x[], const GLint y[],
- GLuint colorIndex, const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++) {
- if (mask[i]) {
- BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i];
- *Mem = colorIndex;
- }
- }
-}
-
-
-//---------------------------------------------------------------------------
-
-
-/* Write an array of RGBA pixels with a boolean mask. */
-static void write_rgba_pixels( const struct gl_context* ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLubyte rgba[][4], const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- PWMC pwc = Current;
- HDC DC=DD_GETDC;
- assert(Current->rgb_flag==GL_TRUE);
- for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc, FLIP(y[i]), x[i],
- rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
- DD_RELEASEDC;
-}
-
-
-//---------------------------------------------------------------------------
-
-
-/*
- * Write an array of pixels with a boolean mask. The current color
- * is used for all pixels.
- */
-static void write_mono_rgba_pixels( const struct gl_context* ctx,
- GLuint n,
- const GLint x[], const GLint y[],
- const GLchan color[4],
- const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- PWMC pwc = Current;
- HDC DC=DD_GETDC;
- assert(Current->rgb_flag==GL_TRUE);
- for (i=0; i<n; i++)
- if (mask[i])
- wmSetPixel(pwc, FLIP(y[i]),x[i],color[RCOMP],
- color[GCOMP], color[BCOMP]);
- DD_RELEASEDC;
-}
-
-/**********************************************************************/
-/***** Read spans/arrays of pixels *****/
-/**********************************************************************/
-
-/* Read a horizontal span of color-index pixels. */
-static void read_ci32_span( const struct gl_context* ctx, GLuint n, GLint x, GLint y,
- GLuint index[])
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++)
- index[i]=Mem[i];
-}
-
-//---------------------------------------------------------------------------
-
-/* Read an array of color index pixels. */
-static void read_ci32_pixels( const struct gl_context* ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLuint indx[], const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- assert(Current->rgb_flag==GL_FALSE);
- for (i=0; i<n; i++) {
- if (mask[i]) {
- indx[i]=*(Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]);
- }
- }
-}
-
-//---------------------------------------------------------------------------
-
-/* Read a horizontal span of color pixels. */
-static void read_rgba_span( const struct gl_context* ctx,
- GLuint n, GLint x, GLint y,
- GLubyte rgba[][4] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- UINT i;
- COLORREF Color;
- HDC DC=DD_GETDC;
- assert(Current->rgb_flag==GL_TRUE);
- y = Current->height - y - 1;
- for (i=0; i<n; i++) {
- Color=GetPixel(DC,x+i,y);
- rgba[i][RCOMP] = GetRValue(Color);
- rgba[i][GCOMP] = GetGValue(Color);
- rgba[i][BCOMP] = GetBValue(Color);
- rgba[i][ACOMP] = 255;
- }
- DD_RELEASEDC;
-}
-
-//---------------------------------------------------------------------------
-
-/* Read an array of color pixels. */
-static void read_rgba_pixels( const struct gl_context* ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLubyte rgba[][4], const GLubyte mask[] )
-{
- GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
- WMesaContext *Current = GLD_GET_WMESA_DRIVER(gldCtx);
- GLuint i;
- COLORREF Color;
- HDC DC=DD_GETDC;
- assert(Current->rgb_flag==GL_TRUE);
- for (i=0; i<n; i++) {
- if (mask[i]) {
- GLint y2 = Current->height - y[i] - 1;
- Color=GetPixel(DC,x[i],y2);
- rgba[i][RCOMP] = GetRValue(Color);
- rgba[i][GCOMP] = GetGValue(Color);
- rgba[i][BCOMP] = GetBValue(Color);
- rgba[i][ACOMP] = 255;
- }
- }
- DD_RELEASEDC;
-}
-
-//---------------------------------------------------------------------------
-
-static void wmesa_update_state(
- struct gl_context *ctx,
- GLuint new_state)
-{
- _swrast_InvalidateState( ctx, new_state );
- _swsetup_InvalidateState( ctx, new_state );
- _vbo_InvalidateState( ctx, new_state );
- _tnl_InvalidateState( ctx, new_state );
-}
-
-//---------------------------------------------------------------------------
-
-static void wmesa_viewport(
- struct gl_context *ctx,
- GLint x,
- GLint y,
- GLsizei w,
- GLsizei h)
-{
-// ctx->Driver.ResizeBuffersMESA(ctx);
-}
-
-//---------------------------------------------------------------------------
-
-static void wmesa_update_state_first_time(
- struct gl_context *ctx,
- GLuint new_state)
-{
- struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );
- TNLcontext *tnl = TNL_CONTEXT(ctx);
-
- _mesa_init_driver_functions(&ctx->Driver);
-
- /*
- * XXX these function pointers could be initialized just once during
- * context creation since they don't depend on any state changes.
- * kws - This is true - this function gets called a lot and it
- * would be good to minimize setting all this when not needed.
- */
- // Good idea, so I'll do it. KeithH. :-)
-
- ctx->Driver.GetString = _gldGetStringGeneric;
- ctx->Driver.UpdateState = wmesa_update_state;
- ctx->Driver.DrawBuffer = set_draw_buffer;
- ctx->Driver.ResizeBuffers = _swrast_alloc_buffers;
- ctx->Driver.GetBufferSize = buffer_size;
-
- ctx->Driver.Viewport = wmesa_viewport;
-
- ctx->Driver.Clear = clear;
-
- ctx->Driver.Flush = flush;
- ctx->Driver.ClearColor = clear_color;
- ctx->Driver.Enable = enable;
-
-
- // Does not apply for Mesa 5.x
- //ctx->Driver.BaseCompressedTexFormat = _mesa_base_compressed_texformat;
- //ctx->Driver.CompressedTextureSize = _mesa_compressed_texture_size;
- //ctx->Driver.GetCompressedTexImage = _mesa_get_compressed_teximage;
-
- swdd->SetBuffer = set_read_buffer;
-
-
- /* Pixel/span writing functions: */
- swdd->WriteRGBASpan = write_rgba_span;
- swdd->WriteRGBSpan = write_rgb_span;
- swdd->WriteMonoRGBASpan = write_mono_rgba_span;
- swdd->WriteRGBAPixels = write_rgba_pixels;
- swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels;
- swdd->WriteCI32Span = write_ci32_span;
- swdd->WriteCI8Span = write_ci8_span;
- swdd->WriteMonoCISpan = write_mono_ci_span;
- swdd->WriteCI32Pixels = write_ci32_pixels;
- swdd->WriteMonoCIPixels = write_mono_ci_pixels;
-
- swdd->ReadCI32Span = read_ci32_span;
- swdd->ReadRGBASpan = read_rgba_span;
- swdd->ReadCI32Pixels = read_ci32_pixels;
- swdd->ReadRGBAPixels = read_rgba_pixels;
-
-
- tnl->Driver.RunPipeline = _tnl_run_pipeline;
-
- wmesa_update_state(ctx, new_state);
-}
-
-//---------------------------------------------------------------------------
-// Driver interface functions
-//---------------------------------------------------------------------------
-
-BOOL gldCreateDrawable_MesaSW(
- DGL_ctx *pCtx,
- BOOL bPersistantInterface,
- BOOL bPersistantBuffers)
-{
- WMesaContext *c;
- GLboolean true_color_flag;
- GLboolean rgb_flag = GL_TRUE;
- GLboolean db_flag = GL_TRUE;
-
- if (pCtx == NULL)
- return FALSE;
-
- c = (struct wmesa_context * ) calloc(1,sizeof(struct wmesa_context));
- if (!c)
- return FALSE;
-
- pCtx->glPriv = c;
-
- c->hDC = pCtx->hDC;
- c->Window = pCtx->hWnd;
-
- true_color_flag = GetDeviceCaps(pCtx->hDC, BITSPIXEL) > 8;
-
-
-#ifdef DITHER
- if ((true_color_flag==GL_FALSE) && (rgb_flag == GL_TRUE)){
- c->dither_flag = GL_TRUE;
- c->hPalHalfTone = WinGCreateHalftonePalette();
- }
- else
- c->dither_flag = GL_FALSE;
-#else
- c->dither_flag = GL_FALSE;
-#endif
-
-
- if (rgb_flag==GL_FALSE)
- {
- c->rgb_flag = GL_FALSE;
-#if 0
- /* Old WinG stuff???? */
- c->db_flag = db_flag =GL_TRUE; /* WinG requires double buffering */
- printf("Single buffer is not supported in color index mode, ",
- "setting to double buffer.\n");
-#endif
- }
- else
- {
- c->rgb_flag = GL_TRUE;
- }
-
-// db_flag = pCtx->lpPF->pfd.dwFlags & PFD_DOUBLEBUFFER ? GL_TRUE : GL_FALSE;
- db_flag = GL_TRUE; // Force double-buffer
- if (db_flag) {
- c->db_flag = 1;
- /* Double buffered */
- {
- wmCreateBackingStore(c, pCtx->dwWidth, pCtx->dwHeight);
-
- }
- } else {
- /* Single Buffered */
- if (c->rgb_flag)
- c->db_flag = 0;
- }
-
- c->bEmulateSingleBuffer = (pCtx->lpPF->pfd.dwFlags & PFD_DOUBLEBUFFER)
- ? FALSE : TRUE;
-
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-BOOL gldResizeDrawable_MesaSW(
- DGL_ctx *ctx,
- BOOL bDefaultDriver,
- BOOL bPersistantInterface,
- BOOL bPersistantBuffers)
-{
- WMesaContext *c;
-
- if (ctx == NULL)
- return FALSE;
-
- c = ctx->glPriv;
- if (c == NULL)
- return FALSE;
-
- c->hDC = ctx->hDC;
- c->Window = ctx->hWnd;
-// c->width = ctx->dwWidth;
-// c->height = ctx->dwHeight;
-
- if (c->db_flag) {
- wmDeleteBackingStore(c);
- wmCreateBackingStore(c, ctx->dwWidth, ctx->dwHeight);
- }
-
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-BOOL gldDestroyDrawable_MesaSW(
- DGL_ctx *ctx)
-{
- WMesaContext *c;
-
- if (ctx == NULL)
- return FALSE;
-
- c = ctx->glPriv;
- if (c == NULL)
- return FALSE;
-
- if (c->hPalHalfTone != NULL)
- DeleteObject(c->hPalHalfTone);
-
- if (c->db_flag)
- wmDeleteBackingStore(c);
-
- free(c);
-
- ctx->glPriv = NULL;
-
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-BOOL gldCreatePrivateGlobals_MesaSW(void)
-{
- // Mesa Software driver needs no private globals
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-BOOL gldDestroyPrivateGlobals_MesaSW(void)
-{
- // Mesa Software driver needs no private globals
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-BOOL gldBuildPixelformatList_MesaSW(void)
-{
- // Release any existing pixelformat list
- if (glb.lpPF) {
- free(glb.lpPF);
- }
-
- glb.nPixelFormatCount = 0;
- glb.lpPF = NULL;
-
- glb.lpPF = (DGL_pixelFormat *)calloc(2, sizeof(DGL_pixelFormat));
- if (glb.lpPF == NULL)
- return FALSE;
- // Single-buffered
- memcpy(&glb.lpPF[0], &pfTemplateMesaSW, sizeof(DGL_pixelFormat));
- glb.lpPF[0].pfd.dwFlags &= ~PFD_DOUBLEBUFFER; // Remove doublebuffer flag
- // Double-buffered
- memcpy(&glb.lpPF[1], &pfTemplateMesaSW, sizeof(DGL_pixelFormat));
- glb.nPixelFormatCount = 2;
-
- // Mark list as 'current'
- glb.bPixelformatsDirty = FALSE;
-
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-BOOL gldInitialiseMesa_MesaSW(
- DGL_ctx *gld)
-{
- struct gl_context *ctx;
-
- if (gld == NULL)
- return FALSE;
-
- ctx = gld->glCtx;
-
- // Set max texture size to 256
- ctx->Const.MaxTextureLevels = 8;
-
- // Multitexture enable/disable
- ctx->Const.MaxTextureUnits = (glb.bMultitexture) ? MAX_TEXTURE_UNITS : 1;
-
- /* Initialize the software rasterizer and helper modules.*/
-
- // Added this to force max texture diminsion to 256. KeithH
- ctx->Const.MaxTextureLevels = 8;
- ctx->Const.MaxDrawBuffers = 1;
-
- _mesa_enable_sw_extensions(ctx);
- _mesa_enable_imaging_extensions(ctx);
- _mesa_enable_1_3_extensions(ctx);
-
-// _swrast_CreateContext( ctx );
-// _vbo_CreateContext( ctx );
-// _tnl_CreateContext( ctx );
-// _swsetup_CreateContext( ctx );
-
- _swsetup_Wakeup( ctx );
-
- wmesa_update_state_first_time(ctx, ~0);
-
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-BOOL gldSwapBuffers_MesaSW(
- DGL_ctx *ctx,
- HDC hDC,
- HWND hWnd)
-{
- WMesaContext *c;
-
- if (ctx == NULL)
- return FALSE;
-
- c = ctx->glPriv;
- if (c == NULL)
- return FALSE;
-
- /* If we're swapping the buffer associated with the current context
- * we have to flush any pending rendering commands first.
- */
-
- // Altered to respect bEmulateSingleBuffer. KeithH
-// if (c->db_flag)
- if (!c->bEmulateSingleBuffer)
- wmFlush(c, hDC);
-
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
-PROC gldGetProcAddress_MesaSW(
- LPCSTR a)
-{
- int i;
- PROC proc = NULL;
-
- for (i=0; GLD_extList[i].proc; i++) {
- if (!strcmp(a, GLD_extList[i].name)) {
- proc = GLD_extList[i].proc;
- break;
- }
- }
-
- gldLogPrintf(GLDLOG_INFO, "GetProcAddress: %s (%s)", a, proc ? "OK" : "Failed");
-
- return proc;
-}
-
-//---------------------------------------------------------------------------
-
-BOOL gldGetDisplayMode_MesaSW(
- DGL_ctx *ctx,
- GLD_displayMode *glddm)
-{
- HDC hdcDesktop;
-
- if (glddm == NULL)
- return FALSE;
-
- //
- // A bit hacky... KeithH
- //
-
- hdcDesktop = GetDC(NULL);
- glddm->Width = GetDeviceCaps(hdcDesktop, HORZRES);
- glddm->Height = GetDeviceCaps(hdcDesktop, VERTRES);
- glddm->BPP = GetDeviceCaps(hdcDesktop, BITSPIXEL);
- glddm->Refresh = 0;
- ReleaseDC(0, hdcDesktop);
-
- return TRUE;
-}
-
-//---------------------------------------------------------------------------
-
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