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https://github.com/reactos/reactos.git
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1528 lines
71 KiB
C
1528 lines
71 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS
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* FILE: dll/opengl/opengl32/swimpl.c
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* PURPOSE: OpenGL32 DLL, opengl software implementation
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*/
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#include "opengl32.h"
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/* MESA includes */
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#include <context.h>
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#include <matrix.h>
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WINE_DEFAULT_DEBUG_CHANNEL(opengl32);
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#define WIDTH_BYTES_ALIGN32(cx, bpp) ((((cx) * (bpp) + 31) & ~31) >> 3)
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#define WIDTH_BYTES_ALIGN16(cx, bpp) ((((cx) * (bpp) + 15) & ~15) >> 3)
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/* Flags for our pixel formats */
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#define SB_FLAGS (PFD_DRAW_TO_BITMAP | PFD_SUPPORT_GDI | PFD_SUPPORT_OPENGL | PFD_GENERIC_FORMAT)
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#define SB_FLAGS_WINDOW (PFD_DRAW_TO_BITMAP | PFD_SUPPORT_GDI | PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_GENERIC_FORMAT)
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#define SB_FLAGS_PALETTE (PFD_DRAW_TO_BITMAP | PFD_SUPPORT_GDI | PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_GENERIC_FORMAT | PFD_NEED_PALETTE)
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#define DB_FLAGS (PFD_DOUBLEBUFFER | PFD_SWAP_COPY | PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_GENERIC_FORMAT)
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#define DB_FLAGS_PALETTE (PFD_DOUBLEBUFFER | PFD_SWAP_COPY | PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_GENERIC_FORMAT | PFD_NEED_PALETTE)
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struct pixel_format
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{
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DWORD dwFlags;
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BYTE iPixelType;
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BYTE cColorBits;
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BYTE cRedBits; BYTE cRedShift;
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BYTE cGreenBits; BYTE cGreenShift;
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BYTE cBlueBits; BYTE cBlueShift;
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BYTE cAlphaBits; BYTE cAlphaShift;
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BYTE cAccumBits;
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BYTE cAccumRedBits; BYTE cAccumGreenBits; BYTE cAccumBlueBits; BYTE cAccumAlphaBits;
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BYTE cDepthBits;
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};
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static const struct pixel_format pixel_formats_32[] =
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{
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/* 32bpp */
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{DB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{DB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{DB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{DB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{SB_FLAGS_WINDOW, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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{DB_FLAGS, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{DB_FLAGS, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 24bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 16 bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 16, 5, 10, 5, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 16, 5, 10, 5, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 8bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 4bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 0, 0, 16, 5, 6, 5, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 0, 0, 16, 5, 6, 5, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 8, 0, 16, 4, 4, 4, 4, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 8, 0, 16, 4, 4, 4, 4, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 4, 1, 0, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 4, 1, 0, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 16},
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};
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static const struct pixel_format pixel_formats_24[] =
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{
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/* 24bpp */
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{DB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{DB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{DB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{DB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{SB_FLAGS_WINDOW, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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{DB_FLAGS, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{DB_FLAGS, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 32bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 16 bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 16, 5, 10, 5, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 16, 5, 10, 5, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 8bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 4bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 0, 0, 16, 5, 6, 5, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 0, 0, 16, 5, 6, 5, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 8, 0, 16, 4, 4, 4, 4, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 8, 0, 16, 4, 4, 4, 4, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 4, 1, 0, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 4, 1, 0, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 16},
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};
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static const struct pixel_format pixel_formats_16[] =
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{
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/* 16 bpp - 565 */
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 16, 5, 11, 6, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 16, 5, 11, 6, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 16},
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{DB_FLAGS, PFD_TYPE_RGBA, 16, 5, 11, 6, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 32},
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{DB_FLAGS, PFD_TYPE_RGBA, 16, 5, 11, 6, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 16},
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 16, 5, 11, 6, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_RGBA, 16, 5, 11, 6, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 16},
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{DB_FLAGS, PFD_TYPE_RGBA, 16, 5, 11, 6, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 32},
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{DB_FLAGS, PFD_TYPE_RGBA, 16, 5, 11, 6, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 16},
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{SB_FLAGS_WINDOW, PFD_TYPE_COLORINDEX, 16, 5, 11, 6, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_COLORINDEX, 16, 5, 11, 6, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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{DB_FLAGS, PFD_TYPE_COLORINDEX, 16, 5, 11, 6, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{DB_FLAGS, PFD_TYPE_COLORINDEX, 16, 5, 11, 6, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 24bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 32bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 8bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 4bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 0, 0, 16, 5, 6, 5, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 0, 0, 16, 5, 6, 5, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 8, 0, 16, 4, 4, 4, 4, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 8, 0, 16, 4, 4, 4, 4, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 4, 1, 0, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 4, 1, 0, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 16},
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};
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static const struct pixel_format pixel_formats_8[] =
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{
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/* 8bpp */
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{SB_FLAGS_PALETTE, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 32},
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{SB_FLAGS_PALETTE, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 16},
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{DB_FLAGS_PALETTE, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 32},
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{DB_FLAGS_PALETTE, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 0, 0, 32, 11, 11, 10, 0, 16},
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{SB_FLAGS_PALETTE, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 32},
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{SB_FLAGS_PALETTE, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 16},
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{DB_FLAGS_PALETTE, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 32},
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{DB_FLAGS_PALETTE, PFD_TYPE_RGBA, 8, 3, 0, 3, 3, 2, 6, 8, 0, 32, 8, 8, 8, 8, 16},
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{SB_FLAGS_WINDOW, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS_WINDOW, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 16},
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{DB_FLAGS, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 32},
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{DB_FLAGS, PFD_TYPE_COLORINDEX, 8, 3, 0, 3, 3, 2, 6, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 24bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 24, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 24, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 32bpp */
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 0, 0, 64, 16, 16, 16, 0, 16},
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 32},
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{SB_FLAGS, PFD_TYPE_RGBA, 32, 8, 16, 8, 8, 8, 0, 8, 0, 64, 16, 16, 16, 16, 16},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 32},
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{SB_FLAGS, PFD_TYPE_COLORINDEX, 32, 8, 16, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 16},
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/* 16 bpp */
|
|
{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 32},
|
|
{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 0, 0, 32, 11, 11, 10, 0, 16},
|
|
{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 32},
|
|
{SB_FLAGS, PFD_TYPE_RGBA, 16, 5, 10, 5, 5, 5, 0, 8, 0, 32, 8, 8, 8, 8, 16},
|
|
{SB_FLAGS, PFD_TYPE_COLORINDEX, 16, 5, 10, 5, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 32},
|
|
{SB_FLAGS, PFD_TYPE_COLORINDEX, 16, 5, 10, 5, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 16},
|
|
/* 4bpp */
|
|
{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 0, 0, 16, 5, 6, 5, 0, 32},
|
|
{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 0, 0, 16, 5, 6, 5, 0, 16},
|
|
{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 8, 0, 16, 4, 4, 4, 4, 32},
|
|
{SB_FLAGS, PFD_TYPE_RGBA, 4, 1, 0, 1, 1, 1, 2, 8, 0, 16, 4, 4, 4, 4, 16},
|
|
{SB_FLAGS, PFD_TYPE_COLORINDEX, 4, 1, 0, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 32},
|
|
{SB_FLAGS, PFD_TYPE_COLORINDEX, 4, 1, 0, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 16},
|
|
};
|
|
|
|
struct sw_framebuffer
|
|
{
|
|
GLvisual *gl_visual; /* Describes the buffers */
|
|
GLframebuffer *gl_buffer; /* Depth, stencil, accum, etc buffers */
|
|
|
|
const struct pixel_format* pixel_format;
|
|
HDC Hdc;
|
|
|
|
/* Current width/height */
|
|
GLuint width; GLuint height;
|
|
|
|
/* BackBuffer, if any */
|
|
BYTE* BackBuffer;
|
|
};
|
|
|
|
struct sw_context
|
|
{
|
|
GLcontext *gl_ctx; /* The core GL/Mesa context */
|
|
|
|
/* This is to keep track of the size of the front buffer */
|
|
HHOOK hook;
|
|
|
|
/* Our frame buffer*/
|
|
struct sw_framebuffer* fb;
|
|
|
|
/* State variables */
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
BYTE ClearColor;
|
|
BYTE CurrentColor;
|
|
} u8;
|
|
struct
|
|
{
|
|
USHORT ClearColor;
|
|
USHORT CurrentColor;
|
|
} u16;
|
|
struct
|
|
{
|
|
ULONG ClearColor;
|
|
ULONG CurrentColor;
|
|
} u24;
|
|
struct
|
|
{
|
|
ULONG ClearColor;
|
|
ULONG CurrentColor;
|
|
} u32;
|
|
};
|
|
GLenum Mode;
|
|
};
|
|
|
|
/* WGL <-> mesa glue */
|
|
static const struct pixel_format* get_format(INT pf_index, INT* pf_count)
|
|
{
|
|
HDC hdc;
|
|
INT bpp, nb_format;
|
|
const struct pixel_format* ret;
|
|
|
|
hdc = GetDC(NULL);
|
|
bpp = GetDeviceCaps(hdc, BITSPIXEL);
|
|
ReleaseDC(NULL, hdc);
|
|
|
|
switch (bpp)
|
|
{
|
|
#define HANDLE_BPP(__x__) \
|
|
case __x__: \
|
|
nb_format = ARRAYSIZE(pixel_formats_##__x__); \
|
|
if ((pf_index > nb_format) || (pf_index <= 0)) \
|
|
ret = NULL; \
|
|
else \
|
|
ret = &pixel_formats_##__x__[pf_index - 1]; \
|
|
break
|
|
|
|
HANDLE_BPP(32);
|
|
HANDLE_BPP(24);
|
|
HANDLE_BPP(16);
|
|
HANDLE_BPP(8);
|
|
#undef HANDLE_BPP
|
|
default:
|
|
FIXME("Unhandled bit depth %u, defaulting to 32bpp\n", bpp);
|
|
nb_format = ARRAYSIZE(pixel_formats_32);
|
|
if ((pf_index > nb_format) || (pf_index == 0))
|
|
ret = NULL;
|
|
else
|
|
ret = &pixel_formats_32[pf_index - 1];
|
|
}
|
|
|
|
if (pf_count)
|
|
*pf_count = nb_format;
|
|
|
|
return ret;
|
|
}
|
|
|
|
INT sw_DescribePixelFormat(HDC hdc, INT format, UINT size, PIXELFORMATDESCRIPTOR* descr)
|
|
{
|
|
INT ret;
|
|
const struct pixel_format *pixel_format;
|
|
|
|
TRACE("Describing format %i.\n", format);
|
|
|
|
pixel_format = get_format(format, &ret);
|
|
if(!descr)
|
|
return ret;
|
|
if((format > ret) || (size != sizeof(*descr)))
|
|
return 0;
|
|
|
|
/* Fill the structure */
|
|
descr->nSize = sizeof(*descr);
|
|
descr->nVersion = 1;
|
|
descr->dwFlags = pixel_format->dwFlags;
|
|
descr->iPixelType = pixel_format->iPixelType;
|
|
descr->cColorBits = pixel_format->cColorBits;
|
|
descr->cRedBits = pixel_format->cRedBits;
|
|
descr->cRedShift = pixel_format->cRedShift;
|
|
descr->cGreenBits = pixel_format->cGreenBits;
|
|
descr->cGreenShift = pixel_format->cGreenShift;
|
|
descr->cBlueBits = pixel_format->cBlueBits;
|
|
descr->cBlueShift = pixel_format->cBlueShift;
|
|
descr->cAlphaBits = pixel_format->cAlphaBits;
|
|
descr->cAlphaShift = pixel_format->cAlphaShift;
|
|
descr->cAccumBits = pixel_format->cAccumBits;
|
|
descr->cAccumRedBits = pixel_format->cAccumRedBits;
|
|
descr->cAccumGreenBits = pixel_format->cAccumGreenBits;
|
|
descr->cAccumBlueBits = pixel_format->cAccumBlueBits;
|
|
descr->cAccumAlphaBits = pixel_format->cAccumAlphaBits;
|
|
descr->cDepthBits = pixel_format->cDepthBits;
|
|
descr->cStencilBits = STENCIL_BITS;
|
|
descr->cAuxBuffers = 0;
|
|
descr->iLayerType = PFD_MAIN_PLANE;
|
|
descr->bReserved = 0;
|
|
descr->dwLayerMask = 0;
|
|
descr->dwVisibleMask = 0;
|
|
descr->dwDamageMask = 0;
|
|
|
|
return ret;
|
|
}
|
|
|
|
BOOL sw_SetPixelFormat(HDC hdc, struct wgl_dc_data* dc_data, INT format)
|
|
{
|
|
struct sw_framebuffer* fb;
|
|
const struct pixel_format *pixel_format;
|
|
|
|
/* So, someone is crazy enough to ask for sw implementation. Announce it. */
|
|
TRACE("OpenGL software implementation START for hdc %p, format %i!\n", hdc, format);
|
|
|
|
pixel_format = get_format(format, NULL);
|
|
if (!pixel_format)
|
|
return FALSE;
|
|
|
|
/* allocate our structure */
|
|
fb = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*fb));
|
|
if(!fb)
|
|
{
|
|
ERR("HeapAlloc FAILED!\n");
|
|
return FALSE;
|
|
}
|
|
/* Set the format */
|
|
fb->pixel_format = pixel_format;
|
|
|
|
fb->gl_visual = gl_create_visual(
|
|
pixel_format->iPixelType == PFD_TYPE_RGBA,
|
|
pixel_format->cAlphaBits != 0,
|
|
(pixel_format->dwFlags & PFD_DOUBLEBUFFER) != 0,
|
|
pixel_format->cDepthBits,
|
|
STENCIL_BITS,
|
|
max(max(max(pixel_format->cAccumRedBits, pixel_format->cAccumGreenBits), pixel_format->cAccumBlueBits), pixel_format->cAccumAlphaBits),
|
|
pixel_format->iPixelType == PFD_TYPE_COLORINDEX ? pixel_format->cColorBits : 0,
|
|
((1ul << pixel_format->cRedBits) - 1),
|
|
((1ul << pixel_format->cGreenBits) - 1),
|
|
((1ul << pixel_format->cBlueBits) - 1),
|
|
pixel_format->cAlphaBits != 0 ? ((1ul << pixel_format->cAlphaBits) - 1) : 255.0f,
|
|
pixel_format->cRedBits,
|
|
pixel_format->cGreenBits,
|
|
pixel_format->cBlueBits,
|
|
pixel_format->cAlphaBits);
|
|
|
|
if(!fb->gl_visual)
|
|
{
|
|
ERR("Failed to allocate a GL visual.\n");
|
|
HeapFree(GetProcessHeap(), 0, fb);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Allocate the framebuffer structure */
|
|
fb->gl_buffer = gl_create_framebuffer(fb->gl_visual);
|
|
if (!fb->gl_buffer) {
|
|
ERR("Failed to allocate the mesa framebuffer structure.\n");
|
|
gl_destroy_visual( fb->gl_visual );
|
|
HeapFree(GetProcessHeap(), 0, fb);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Save our DC */
|
|
fb->Hdc = hdc;
|
|
|
|
/* Everything went fine */
|
|
dc_data->sw_data = fb;
|
|
return TRUE;
|
|
}
|
|
|
|
DHGLRC sw_CreateContext(struct wgl_dc_data* dc_data)
|
|
{
|
|
struct sw_context* sw_ctx;
|
|
struct sw_framebuffer* fb = dc_data->sw_data;
|
|
|
|
sw_ctx = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*sw_ctx));
|
|
if(!sw_ctx)
|
|
return NULL;
|
|
|
|
/* Initialize the context */
|
|
sw_ctx->gl_ctx = gl_create_context(fb->gl_visual, NULL, sw_ctx);
|
|
if(!sw_ctx->gl_ctx)
|
|
{
|
|
ERR("Failed to initialize the mesa context.\n");
|
|
HeapFree(GetProcessHeap(), 0, sw_ctx);
|
|
return NULL;
|
|
}
|
|
|
|
sw_ctx->fb = fb;
|
|
|
|
/* Choose relevant default */
|
|
sw_ctx->Mode = fb->gl_visual->DBflag ? GL_BACK : GL_FRONT;
|
|
|
|
return (DHGLRC)sw_ctx;
|
|
}
|
|
|
|
BOOL sw_DeleteContext(DHGLRC dhglrc)
|
|
{
|
|
struct sw_context* sw_ctx = (struct sw_context*)dhglrc;
|
|
/* Those get clobbered by _mesa_free_context_data via _glapi_set{context,dispath_table} */
|
|
void* icd_save = IntGetCurrentICDPrivate();
|
|
const GLDISPATCHTABLE* table_save = IntGetCurrentDispatchTable();
|
|
|
|
/* Destroy everything */
|
|
gl_destroy_context(sw_ctx->gl_ctx);
|
|
|
|
HeapFree(GetProcessHeap(), 0, sw_ctx);
|
|
|
|
/* Restore this */
|
|
IntSetCurrentDispatchTable(table_save);
|
|
IntSetCurrentICDPrivate(icd_save);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
extern void APIENTRY _mesa_ColorTableEXT(GLenum, GLenum, GLsizei, GLenum, GLenum, const void*);
|
|
extern void APIENTRY _mesa_ColorSubTableEXT(GLenum, GLsizei, GLsizei, GLenum, GLenum, const void*);
|
|
extern void APIENTRY _mesa_GetColorTableEXT(GLenum, GLenum, GLenum, void*);
|
|
extern void APIENTRY _mesa_GetColorTableParameterivEXT(GLenum, GLenum, GLfloat*);
|
|
extern void APIENTRY _mesa_GetColorTableParameterfvEXT(GLenum, GLenum, GLint*);
|
|
|
|
static void APIENTRY _swimpl_AddSwapHintRectWIN(GLint x, GLint y, GLsizei width, GLsizei height)
|
|
{
|
|
UNIMPLEMENTED;
|
|
}
|
|
|
|
PROC sw_GetProcAddress(LPCSTR name)
|
|
{
|
|
/* GL_EXT_paletted_texture */
|
|
if (strcmp(name, "glColorTableEXT") == 0)
|
|
return (PROC)_mesa_ColorTableEXT;
|
|
if (strcmp(name, "glColorSubTableEXT") == 0)
|
|
return (PROC)_mesa_ColorSubTableEXT;
|
|
if (strcmp(name, "glColorGetTableEXT") == 0)
|
|
return (PROC)_mesa_GetColorTableEXT;
|
|
if (strcmp(name, "glGetColorTableParameterivEXT") == 0)
|
|
return (PROC)_mesa_GetColorTableParameterivEXT;
|
|
if (strcmp(name, "glGetColorTableParameterfvEXT") == 0)
|
|
return (PROC)_mesa_GetColorTableParameterfvEXT;
|
|
if (strcmp(name, "glAddSwapHintRectWIN") == 0)
|
|
return (PROC)_swimpl_AddSwapHintRectWIN;
|
|
|
|
WARN("Asking for proc address %s, returning NULL.\n", name);
|
|
return NULL;
|
|
}
|
|
|
|
BOOL sw_CopyContext(DHGLRC dhglrcSrc, DHGLRC dhglrcDst, UINT mask)
|
|
{
|
|
FIXME("Software wglCopyContext is UNIMPLEMENTED, mask %lx.\n", mask);
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL sw_ShareLists(DHGLRC dhglrcSrc, DHGLRC dhglrcDst)
|
|
{
|
|
#if 0
|
|
struct sw_context* sw_ctx_src = (struct sw_context*)dhglrcSrc;
|
|
struct sw_context* sw_ctx_dst = (struct sw_context*)dhglrcDst;
|
|
|
|
/* See if it was already shared */
|
|
if(sw_ctx_dst->gl_ctx->Shared->RefCount > 1)
|
|
return FALSE;
|
|
|
|
/* Unreference the old, share the new */
|
|
gl_reference_shared_state(sw_ctx_dst->gl_ctx,
|
|
&sw_ctx_dst->gl_ctx->Shared,
|
|
sw_ctx_src->gl_ctx->Shared);
|
|
#endif
|
|
FIXME("Unimplemented!\n");
|
|
return TRUE;
|
|
}
|
|
|
|
static
|
|
LRESULT CALLBACK
|
|
sw_call_window_proc(
|
|
int nCode,
|
|
WPARAM wParam,
|
|
LPARAM lParam )
|
|
{
|
|
struct wgl_dc_data* dc_data = IntGetCurrentDcData();
|
|
struct sw_context* ctx = (struct sw_context*)IntGetCurrentDHGLRC();
|
|
PCWPSTRUCT pParams = (PCWPSTRUCT)lParam;
|
|
|
|
if((!dc_data) || (!ctx))
|
|
return 0;
|
|
|
|
if(!(dc_data->flags & WGL_DC_OBJ_DC))
|
|
return 0;
|
|
|
|
if((nCode < 0) || (dc_data->owner.hwnd != pParams->hwnd) || (dc_data->sw_data == NULL))
|
|
return CallNextHookEx(ctx->hook, nCode, wParam, lParam);
|
|
|
|
if (pParams->message == WM_WINDOWPOSCHANGED)
|
|
{
|
|
/* We handle WM_WINDOWPOSCHANGED instead of WM_SIZE because according to
|
|
* http://blogs.msdn.com/oldnewthing/archive/2008/01/15/7113860.aspx
|
|
* WM_SIZE is generated from WM_WINDOWPOSCHANGED by DefWindowProc so it
|
|
* can be masked out by the application. */
|
|
LPWINDOWPOS lpWindowPos = (LPWINDOWPOS)pParams->lParam;
|
|
if((lpWindowPos->flags & SWP_SHOWWINDOW) ||
|
|
!(lpWindowPos->flags & SWP_NOMOVE) ||
|
|
!(lpWindowPos->flags & SWP_NOSIZE))
|
|
{
|
|
/* Size in WINDOWPOS includes the window frame, so get the size
|
|
* of the client area via GetClientRect. */
|
|
RECT client_rect;
|
|
UINT width, height;
|
|
|
|
TRACE("Got WM_WINDOWPOSCHANGED\n");
|
|
|
|
GetClientRect(pParams->hwnd, &client_rect);
|
|
width = client_rect.right - client_rect.left;
|
|
height = client_rect.bottom - client_rect.top;
|
|
/* Do not reallocate for minimized windows */
|
|
if(width <= 0 || height <= 0)
|
|
goto end;
|
|
/* Propagate to mesa */
|
|
gl_ResizeBuffersMESA(ctx->gl_ctx);
|
|
}
|
|
}
|
|
|
|
end:
|
|
return CallNextHookEx(ctx->hook, nCode, wParam, lParam);
|
|
}
|
|
|
|
static const char* renderer_string(void)
|
|
{
|
|
return "ReactOS SW Implementation";
|
|
}
|
|
|
|
static inline void PUT_PIXEL_8(BYTE* Buffer, BYTE Value)
|
|
{
|
|
*Buffer = Value;
|
|
}
|
|
static inline void PUT_PIXEL_16(USHORT* Buffer, USHORT Value)
|
|
{
|
|
*Buffer = Value;
|
|
}
|
|
static inline void PUT_PIXEL_24(ULONG* Buffer, ULONG Value)
|
|
{
|
|
*Buffer &= 0xFF000000ul;
|
|
*Buffer |= Value & 0x00FFFFFF;
|
|
}
|
|
static inline void PUT_PIXEL_32(ULONG* Buffer, ULONG Value)
|
|
{
|
|
*Buffer = Value;
|
|
}
|
|
|
|
static inline BYTE GET_PIXEL_8(BYTE* Buffer)
|
|
{
|
|
return *Buffer;
|
|
}
|
|
|
|
static inline USHORT GET_PIXEL_16(USHORT* Buffer)
|
|
{
|
|
return *Buffer;
|
|
}
|
|
|
|
static inline ULONG GET_PIXEL_24(ULONG* Buffer)
|
|
{
|
|
return *Buffer & 0x00FFFFFF;
|
|
}
|
|
|
|
static inline ULONG GET_PIXEL_32(ULONG* Buffer)
|
|
{
|
|
return *Buffer;
|
|
}
|
|
|
|
static inline BYTE PACK_COLOR_8(GLubyte r, GLubyte g, GLubyte b)
|
|
{
|
|
return (r & 0x7) | ((g & 0x7) << 3) | ((b & 0x3) << 6);
|
|
}
|
|
|
|
static inline USHORT PACK_COLOR_16(GLubyte r, GLubyte g, GLubyte b)
|
|
{
|
|
return ((r & 0x1F) << 11) | ((g & 0x3F) << 5) | (b & 0x1F);
|
|
}
|
|
|
|
static inline ULONG PACK_COLOR_24(GLubyte r, GLubyte g, GLubyte b)
|
|
{
|
|
return (r << 16) | (g << 8) | (b);
|
|
}
|
|
|
|
static inline ULONG PACK_COLOR_32(GLubyte r, GLubyte g, GLubyte b)
|
|
{
|
|
return (r << 16) | (g << 8) | (b);
|
|
}
|
|
|
|
static inline COLORREF PACK_COLORREF_8(GLubyte r, GLubyte g, GLubyte b)
|
|
{
|
|
return RGB(r << 5, g << 5, b << 6);
|
|
}
|
|
|
|
static inline COLORREF PACK_COLORREF_16(GLubyte r, GLubyte g, GLubyte b)
|
|
{
|
|
return RGB(r << 3, g << 2, b << 3);
|
|
}
|
|
|
|
static inline COLORREF PACK_COLORREF_24(GLubyte r, GLubyte g, GLubyte b)
|
|
{
|
|
return RGB(r, g, b);
|
|
}
|
|
|
|
static inline COLORREF PACK_COLORREF_32(GLubyte r, GLubyte g, GLubyte b)
|
|
{
|
|
return RGB(r, g, b);
|
|
}
|
|
|
|
static inline void UNPACK_COLOR_8(BYTE Color, GLubyte* r, GLubyte* g, GLubyte* b)
|
|
{
|
|
*r = Color & 0x7;
|
|
*g = (Color >> 3) & 0x7;
|
|
*b = (Color >> 6) & 0x3;
|
|
}
|
|
|
|
static inline void UNPACK_COLOR_16(USHORT Color, GLubyte* r, GLubyte* g, GLubyte* b)
|
|
{
|
|
*r = (Color >> 11) & 0x1F;
|
|
*g = (Color >> 5) & 0x3F;
|
|
*b = Color & 0x1F;
|
|
}
|
|
|
|
static inline void UNPACK_COLOR_24(ULONG Color, GLubyte* r, GLubyte* g, GLubyte* b)
|
|
{
|
|
*r = (Color >> 16) & 0xFF;
|
|
*g = (Color >> 8) & 0xFF;
|
|
*b = Color & 0xFF;
|
|
}
|
|
|
|
static inline void UNPACK_COLOR_32(ULONG Color, GLubyte* r, GLubyte* g, GLubyte* b)
|
|
{
|
|
*r = (Color >> 16) & 0xFF;
|
|
*g = (Color >> 8) & 0xFF;
|
|
*b = Color & 0xFF;
|
|
}
|
|
|
|
static inline void UNPACK_COLORREF_8(COLORREF Color, GLubyte* r, GLubyte* g, GLubyte* b)
|
|
{
|
|
*r = GetRValue(Color) >> 5;
|
|
*g = GetGValue(Color) >> 5;
|
|
*b = GetBValue(Color) >> 6;
|
|
}
|
|
|
|
static inline void UNPACK_COLORREF_16(COLORREF Color, GLubyte* r, GLubyte* g, GLubyte* b)
|
|
{
|
|
*r = GetRValue(Color) >> 3;
|
|
*g = GetGValue(Color) >> 2;
|
|
*b = GetBValue(Color) >> 3;
|
|
}
|
|
|
|
static inline void UNPACK_COLORREF_24(COLORREF Color, GLubyte* r, GLubyte* g, GLubyte* b)
|
|
{
|
|
*r = GetRValue(Color);
|
|
*g = GetGValue(Color);
|
|
*b = GetBValue(Color);
|
|
}
|
|
|
|
static inline void UNPACK_COLORREF_32(COLORREF Color, GLubyte* r, GLubyte* g, GLubyte* b)
|
|
{
|
|
*r = GetRValue(Color);
|
|
*g = GetGValue(Color);
|
|
*b = GetBValue(Color);
|
|
}
|
|
|
|
#define MAKE_COLORREF(__bpp, __type) \
|
|
static inline COLORREF MAKE_COLORREF_##__bpp(const struct pixel_format *format, __type Color) \
|
|
{ \
|
|
GLubyte r,g,b; \
|
|
\
|
|
if (format->iPixelType == PFD_TYPE_COLORINDEX) \
|
|
return PALETTEINDEX(Color); \
|
|
\
|
|
UNPACK_COLOR_##__bpp(Color, &r, &g, &b); \
|
|
\
|
|
return PACK_COLORREF_##__bpp(r, g, b); \
|
|
}
|
|
MAKE_COLORREF(8, BYTE)
|
|
MAKE_COLORREF(16, USHORT)
|
|
MAKE_COLORREF(24, ULONG)
|
|
MAKE_COLORREF(32, ULONG)
|
|
#undef MAKE_COLORREF
|
|
|
|
/*
|
|
* Set the color index used to clear the color buffer.
|
|
*/
|
|
#define CLEAR_INDEX(__bpp, __type) \
|
|
static void clear_index_##__bpp(GLcontext* ctx, GLuint index) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
\
|
|
sw_ctx->u##__bpp.ClearColor = (__type)index; \
|
|
}
|
|
CLEAR_INDEX(8, BYTE)
|
|
CLEAR_INDEX(16, USHORT)
|
|
CLEAR_INDEX(24, ULONG)
|
|
CLEAR_INDEX(32, ULONG)
|
|
#undef CLEAR_INDEX
|
|
|
|
/*
|
|
* Set the color used to clear the color buffer.
|
|
*/
|
|
#define CLEAR_COLOR(__bpp) \
|
|
static void clear_color_##__bpp( GLcontext* ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
\
|
|
sw_ctx->u##__bpp.ClearColor = PACK_COLOR_##__bpp(r, g, b); \
|
|
\
|
|
TRACE("Set Clear color %u, %u, %u.\n", r, g, b); \
|
|
}
|
|
CLEAR_COLOR(8)
|
|
CLEAR_COLOR(16)
|
|
CLEAR_COLOR(24)
|
|
CLEAR_COLOR(32)
|
|
#undef CLEAR_COLOR
|
|
|
|
/*
|
|
* Clear the specified region of the color buffer using the clear color
|
|
* or index as specified by one of the two functions above.
|
|
*/
|
|
static void clear_frontbuffer(
|
|
struct sw_context* sw_ctx,
|
|
struct sw_framebuffer* fb,
|
|
GLint x,
|
|
GLint y,
|
|
GLint width,
|
|
GLint height,
|
|
COLORREF ClearColor)
|
|
{
|
|
HBRUSH Brush;
|
|
BOOL ret;
|
|
|
|
TRACE("Clearing front buffer (%u, %u, %u, %u), color 0x%08x.\n", x, y, width, height, ClearColor);
|
|
|
|
Brush = CreateSolidBrush(ClearColor);
|
|
Brush = SelectObject(fb->Hdc, Brush);
|
|
|
|
ret = PatBlt(fb->Hdc, x, fb->height - (y + height), width, height, PATCOPY);
|
|
if (!ret)
|
|
{
|
|
ERR("PatBlt failed. last Error %d.\n", GetLastError());
|
|
}
|
|
|
|
Brush = SelectObject(fb->Hdc, Brush);
|
|
DeleteObject(Brush);
|
|
}
|
|
|
|
#define CLEAR(__bpp, __type, __pixel_size) \
|
|
static void clear_##__bpp(GLcontext* ctx, GLboolean all,GLint x, GLint y, GLint width, GLint height)\
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
struct sw_framebuffer* fb = sw_ctx->fb; \
|
|
BYTE* ScanLine; \
|
|
\
|
|
if (all) \
|
|
{ \
|
|
x = y = 0; \
|
|
width = fb->width; \
|
|
height = fb->height; \
|
|
} \
|
|
\
|
|
if (sw_ctx->Mode == GL_FRONT) \
|
|
{ \
|
|
clear_frontbuffer(sw_ctx, fb, x, y, width, height, \
|
|
MAKE_COLORREF_##__bpp(fb->pixel_format, sw_ctx->u##__bpp.ClearColor)); \
|
|
return; \
|
|
} \
|
|
\
|
|
ScanLine = fb->BackBuffer + y * WIDTH_BYTES_ALIGN32(fb->width, __bpp); \
|
|
while (height--) \
|
|
{ \
|
|
BYTE* Buffer = ScanLine + x * __pixel_size; \
|
|
UINT n = width; \
|
|
\
|
|
while (n--) \
|
|
{ \
|
|
PUT_PIXEL_##__bpp((__type*)Buffer, sw_ctx->u##__bpp.ClearColor); \
|
|
Buffer += __pixel_size; \
|
|
} \
|
|
\
|
|
ScanLine += WIDTH_BYTES_ALIGN32(fb->width, __bpp); \
|
|
} \
|
|
}
|
|
CLEAR(8, BYTE, 1)
|
|
CLEAR(16, USHORT, 2)
|
|
CLEAR(24, ULONG, 3)
|
|
CLEAR(32, ULONG, 4)
|
|
#undef CLEAR
|
|
|
|
/* Set the current color index. */
|
|
#define SET_INDEX(__bpp) \
|
|
static void set_index_##__bpp(GLcontext* ctx, GLuint index) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
\
|
|
sw_ctx->u##__bpp.CurrentColor = index; \
|
|
}
|
|
SET_INDEX(8)
|
|
SET_INDEX(16)
|
|
SET_INDEX(24)
|
|
SET_INDEX(32)
|
|
#undef SET_INDEX
|
|
|
|
/* Set the current RGBA color. */
|
|
#define SET_COLOR(__bpp) \
|
|
static void set_color_##__bpp( GLcontext* ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
\
|
|
sw_ctx->u##__bpp.CurrentColor = PACK_COLOR_##__bpp(r, g, b); \
|
|
}
|
|
SET_COLOR(8)
|
|
SET_COLOR(16)
|
|
SET_COLOR(24)
|
|
SET_COLOR(32)
|
|
#undef SET_COLOR
|
|
|
|
/*
|
|
* Selects either the front or back color buffer for reading and writing.
|
|
* mode is either GL_FRONT or GL_BACK.
|
|
*/
|
|
static GLboolean set_buffer( GLcontext* ctx, GLenum mode )
|
|
{
|
|
struct sw_context* sw_ctx = ctx->DriverCtx;
|
|
struct sw_framebuffer* fb = sw_ctx->fb;
|
|
|
|
if (!fb->gl_visual->DBflag)
|
|
return GL_FALSE;
|
|
|
|
if ((mode != GL_FRONT) && (mode != GL_BACK))
|
|
return GL_FALSE;
|
|
|
|
sw_ctx->Mode = mode;
|
|
return GL_TRUE;
|
|
}
|
|
|
|
/* Return characteristics of the output buffer. */
|
|
static void buffer_size(GLcontext* ctx, GLuint *width, GLuint *height)
|
|
{
|
|
struct sw_context* sw_ctx = ctx->DriverCtx;
|
|
struct sw_framebuffer* fb = sw_ctx->fb;
|
|
HWND Window = WindowFromDC(fb->Hdc);
|
|
|
|
if (Window)
|
|
{
|
|
RECT client_rect;
|
|
GetClientRect(Window, &client_rect);
|
|
*width = client_rect.right - client_rect.left;
|
|
*height = client_rect.bottom - client_rect.top;
|
|
}
|
|
else
|
|
{
|
|
/* We are drawing to a bitmap */
|
|
BITMAP bm;
|
|
HBITMAP Hbm;
|
|
|
|
Hbm = GetCurrentObject(fb->Hdc, OBJ_BITMAP);
|
|
|
|
if (!GetObjectW(Hbm, sizeof(bm), &bm))
|
|
return;
|
|
|
|
TRACE("Framebuffer size : %i, %i\n", bm.bmWidth, bm.bmHeight);
|
|
|
|
*width = bm.bmWidth;
|
|
*height = bm.bmHeight;
|
|
}
|
|
|
|
if ((*width != fb->width) || (*height != fb->height))
|
|
{
|
|
const struct pixel_format* pixel_format = fb->pixel_format;
|
|
|
|
if (pixel_format->dwFlags & PFD_DOUBLEBUFFER)
|
|
{
|
|
/* Allocate a new backbuffer */
|
|
size_t BufferSize = *height * WIDTH_BYTES_ALIGN32(*width, pixel_format->cColorBits);
|
|
if (!fb->BackBuffer)
|
|
{
|
|
fb->BackBuffer = HeapAlloc(GetProcessHeap(), 0, BufferSize);
|
|
}
|
|
else
|
|
{
|
|
fb->BackBuffer = HeapReAlloc(GetProcessHeap(), 0, fb->BackBuffer, BufferSize);
|
|
}
|
|
if (!fb->BackBuffer)
|
|
{
|
|
ERR("Failed allocating back buffer !.\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
fb->width = *width;
|
|
fb->height = *height;
|
|
}
|
|
}
|
|
|
|
/* Write a horizontal span of color pixels with a boolean mask. */
|
|
#define WRITE_COLOR_SPAN_FRONTBUFFER(__bpp) \
|
|
static void write_color_span_frontbuffer_##__bpp(struct sw_framebuffer* fb, \
|
|
GLuint n, GLint x, GLint y, \
|
|
const GLubyte red[], const GLubyte green[], \
|
|
const GLubyte blue[], const GLubyte mask[] ) \
|
|
{ \
|
|
TRACE("Writing color span at %u, %u (%u)\n", x, y, n); \
|
|
\
|
|
if (mask) \
|
|
{ \
|
|
while (n--) \
|
|
{ \
|
|
if (mask[n]) \
|
|
{ \
|
|
SetPixel(fb->Hdc, x + n, fb->height - y, \
|
|
PACK_COLORREF_##__bpp(red[n], green[n], blue[n])); \
|
|
} \
|
|
} \
|
|
} \
|
|
else \
|
|
{ \
|
|
while (n--) \
|
|
{ \
|
|
SetPixel(fb->Hdc, x + n, fb->height - y, \
|
|
PACK_COLORREF_##__bpp(red[n], green[n], blue[n])); \
|
|
} \
|
|
} \
|
|
}
|
|
WRITE_COLOR_SPAN_FRONTBUFFER(8)
|
|
WRITE_COLOR_SPAN_FRONTBUFFER(16)
|
|
WRITE_COLOR_SPAN_FRONTBUFFER(24)
|
|
WRITE_COLOR_SPAN_FRONTBUFFER(32)
|
|
#undef WRITE_COLOR_SPAN_FRONTBUFFER
|
|
|
|
#define WRITE_COLOR_SPAN(__bpp, __type, __pixel_size) \
|
|
static void write_color_span_##__bpp(GLcontext* ctx, \
|
|
GLuint n, GLint x, GLint y, \
|
|
const GLubyte red[], const GLubyte green[], \
|
|
const GLubyte blue[], const GLubyte alpha[], \
|
|
const GLubyte mask[] ) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
struct sw_framebuffer* fb = sw_ctx->fb; \
|
|
BYTE* Buffer; \
|
|
\
|
|
if (sw_ctx->Mode == GL_FRONT) \
|
|
{ \
|
|
write_color_span_frontbuffer_##__bpp(fb, n, x, y, red, green, blue, mask); \
|
|
return; \
|
|
} \
|
|
\
|
|
Buffer = fb->BackBuffer + y * WIDTH_BYTES_ALIGN32(fb->width, __bpp) \
|
|
+ (x + n) * __pixel_size; \
|
|
if (mask) \
|
|
{ \
|
|
while (n--) \
|
|
{ \
|
|
Buffer -= __pixel_size; \
|
|
if (mask[n]) \
|
|
{ \
|
|
PUT_PIXEL_##__bpp((__type*)Buffer, \
|
|
PACK_COLOR_##__bpp(red[n], green[n], blue[n])); \
|
|
} \
|
|
} \
|
|
} \
|
|
else \
|
|
{ \
|
|
while (n--) \
|
|
{ \
|
|
Buffer -= __pixel_size; \
|
|
PUT_PIXEL_##__bpp((__type*)Buffer, \
|
|
PACK_COLOR_##__bpp(red[n], green[n], blue[n])); \
|
|
} \
|
|
} \
|
|
}
|
|
WRITE_COLOR_SPAN(8, BYTE, 1)
|
|
WRITE_COLOR_SPAN(16, USHORT, 2)
|
|
WRITE_COLOR_SPAN(24, ULONG, 3)
|
|
WRITE_COLOR_SPAN(32, ULONG, 4)
|
|
#undef WRITE_COLOR_SPAN
|
|
|
|
static void write_monocolor_span_frontbuffer(struct sw_framebuffer* fb, GLuint n, GLint x, GLint y,
|
|
const GLubyte mask[], COLORREF Color)
|
|
{
|
|
TRACE("Writing monocolor span at %u %u (%u), Color 0x%08x\n", x, y, n, Color);
|
|
|
|
if (mask)
|
|
{
|
|
while (n--)
|
|
{
|
|
if (mask[n])
|
|
SetPixel(fb->Hdc, x + n, y, Color);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
HBRUSH Brush = CreateSolidBrush(Color);
|
|
Brush = SelectObject(fb->Hdc, Brush);
|
|
|
|
PatBlt(fb->Hdc, x, fb->height - y, n, 1, PATCOPY);
|
|
|
|
Brush = SelectObject(fb->Hdc, Brush);
|
|
DeleteObject(Brush);
|
|
}
|
|
}
|
|
|
|
#define WRITE_MONOCOLOR_SPAN(__bpp, __type, __pixel_size) \
|
|
static void write_monocolor_span_##__bpp(GLcontext* ctx, \
|
|
GLuint n, GLint x, GLint y, \
|
|
const GLubyte mask[]) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
struct sw_framebuffer* fb = sw_ctx->fb; \
|
|
BYTE* Buffer; \
|
|
\
|
|
if (sw_ctx->Mode == GL_FRONT) \
|
|
{ \
|
|
write_monocolor_span_frontbuffer(fb, n, x, y, mask, \
|
|
MAKE_COLORREF_##__bpp(fb->pixel_format, sw_ctx->u##__bpp.CurrentColor)); \
|
|
return; \
|
|
} \
|
|
\
|
|
Buffer = fb->BackBuffer + y * WIDTH_BYTES_ALIGN32(fb->width, __bpp) + (x + n) * __pixel_size; \
|
|
if (mask) \
|
|
{ \
|
|
while (n--) \
|
|
{ \
|
|
Buffer -= __pixel_size; \
|
|
if (mask[n]) \
|
|
PUT_PIXEL_##__bpp((__type*)Buffer, sw_ctx->u##__bpp.CurrentColor); \
|
|
} \
|
|
} \
|
|
else \
|
|
{ \
|
|
while(n--) \
|
|
{ \
|
|
Buffer -= __pixel_size; \
|
|
PUT_PIXEL_##__bpp((__type*)Buffer, sw_ctx->u##__bpp.CurrentColor); \
|
|
} \
|
|
} \
|
|
}
|
|
WRITE_MONOCOLOR_SPAN(8, BYTE, 1)
|
|
WRITE_MONOCOLOR_SPAN(16, USHORT, 2)
|
|
WRITE_MONOCOLOR_SPAN(24, ULONG, 3)
|
|
WRITE_MONOCOLOR_SPAN(32, ULONG, 4)
|
|
#undef WRITE_MONOCOLOR_SPAN
|
|
|
|
/* Write an array of pixels with a boolean mask. */
|
|
#define WRITE_COLOR_PIXELS(__bpp, __type, __pixel_size) \
|
|
static void write_color_pixels_##__bpp(GLcontext* ctx, \
|
|
GLuint n, const GLint x[], const GLint y[], \
|
|
const GLubyte r[], const GLubyte g[], \
|
|
const GLubyte b[], const GLubyte a[], \
|
|
const GLubyte mask[]) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
struct sw_framebuffer* fb = sw_ctx->fb; \
|
|
\
|
|
TRACE("Writing color pixels\n"); \
|
|
\
|
|
if (sw_ctx->Mode == GL_FRONT) \
|
|
{ \
|
|
while (n--) \
|
|
{ \
|
|
if (mask[n]) \
|
|
{ \
|
|
TRACE("Setting pixel %u, %u to 0x%08x.\n", x[n], fb->height - y[n], \
|
|
PACK_COLORREF_##__bpp(r[n], g[n], b[n])); \
|
|
SetPixel(fb->Hdc, x[n], fb->height - y[n], \
|
|
PACK_COLORREF_##__bpp(r[n], g[n], b[n])); \
|
|
} \
|
|
} \
|
|
\
|
|
return; \
|
|
} \
|
|
\
|
|
while (n--) \
|
|
{ \
|
|
if (mask[n]) \
|
|
{ \
|
|
BYTE* Buffer = fb->BackBuffer + y[n] * WIDTH_BYTES_ALIGN32(fb->width, __bpp) \
|
|
+ x[n] * __pixel_size; \
|
|
PUT_PIXEL_##__bpp((__type*)Buffer, PACK_COLOR_##__bpp(r[n], g[n], b[n])); \
|
|
} \
|
|
} \
|
|
}
|
|
WRITE_COLOR_PIXELS(8, BYTE, 1)
|
|
WRITE_COLOR_PIXELS(16, USHORT, 2)
|
|
WRITE_COLOR_PIXELS(24, ULONG, 3)
|
|
WRITE_COLOR_PIXELS(32, ULONG, 4)
|
|
#undef WRITE_COLOR_PIXELS
|
|
|
|
static void write_monocolor_pixels_frontbuffer(
|
|
struct sw_framebuffer* fb, GLuint n,
|
|
const GLint x[], const GLint y[],
|
|
const GLubyte mask[], COLORREF Color)
|
|
{
|
|
TRACE("Writing monocolor pixels to front buffer.\n");
|
|
|
|
while (n--)
|
|
{
|
|
if (mask[n])
|
|
{
|
|
SetPixel(fb->Hdc, x[n], fb->height - y[n], Color);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Write an array of pixels with a boolean mask. The current color
|
|
* is used for all pixels.
|
|
*/
|
|
#define WRITE_MONOCOLOR_PIXELS(__bpp, __type, __pixel_size) \
|
|
static void write_monocolor_pixels_##__bpp(GLcontext* ctx, GLuint n, \
|
|
const GLint x[], const GLint y[], \
|
|
const GLubyte mask[] ) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
struct sw_framebuffer* fb = sw_ctx->fb; \
|
|
\
|
|
if (sw_ctx->Mode == GL_FRONT) \
|
|
{ \
|
|
write_monocolor_pixels_frontbuffer(fb, n, x, y, mask, \
|
|
MAKE_COLORREF_##__bpp(fb->pixel_format, sw_ctx->u##__bpp.CurrentColor)); \
|
|
\
|
|
return; \
|
|
} \
|
|
\
|
|
while (n--) \
|
|
{ \
|
|
if (mask[n]) \
|
|
{ \
|
|
BYTE* Buffer = fb->BackBuffer + y[n] * WIDTH_BYTES_ALIGN32(fb->width, 32) \
|
|
+ x[n] * __pixel_size; \
|
|
PUT_PIXEL_##__bpp((__type*)Buffer, sw_ctx->u##__bpp.CurrentColor); \
|
|
} \
|
|
} \
|
|
}
|
|
WRITE_MONOCOLOR_PIXELS(8, BYTE, 1)
|
|
WRITE_MONOCOLOR_PIXELS(16, USHORT, 2)
|
|
WRITE_MONOCOLOR_PIXELS(24, ULONG, 3)
|
|
WRITE_MONOCOLOR_PIXELS(32, ULONG, 4)
|
|
#undef WRITE_MONOCOLOR_PIXELS
|
|
|
|
/* Write a horizontal span of color pixels with a boolean mask. */
|
|
static void write_index_span( GLcontext* ctx,
|
|
GLuint n, GLint x, GLint y,
|
|
const GLuint index[],
|
|
const GLubyte mask[] )
|
|
{
|
|
ERR("Not implemented yet !\n");
|
|
}
|
|
|
|
/* Write an array of pixels with a boolean mask. */
|
|
static void write_index_pixels( GLcontext* ctx,
|
|
GLuint n, const GLint x[], const GLint y[],
|
|
const GLuint index[], const GLubyte mask[] )
|
|
{
|
|
ERR("Not implemented yet !\n");
|
|
}
|
|
|
|
/* Read a horizontal span of color-index pixels. */
|
|
static void read_index_span( GLcontext* ctx, GLuint n, GLint x, GLint y, GLuint index[])
|
|
{
|
|
ERR("Not implemented yet !\n");
|
|
}
|
|
|
|
/* Read a horizontal span of color pixels. */
|
|
#define READ_COLOR_SPAN(__bpp, __type, __pixel_size) \
|
|
static void read_color_span_##__bpp(GLcontext* ctx, \
|
|
GLuint n, GLint x, GLint y, \
|
|
GLubyte red[], GLubyte green[], \
|
|
GLubyte blue[], GLubyte alpha[] ) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
struct sw_framebuffer* fb = sw_ctx->fb; \
|
|
BYTE* Buffer; \
|
|
\
|
|
if (sw_ctx->Mode == GL_FRONT) \
|
|
{ \
|
|
COLORREF Color; \
|
|
while (n--) \
|
|
{ \
|
|
Color = GetPixel(fb->Hdc, x + n, fb->height - y); \
|
|
UNPACK_COLORREF_##__bpp(Color, &red[n], &green[n], &blue[n]); \
|
|
alpha[n] = 0; \
|
|
} \
|
|
\
|
|
return; \
|
|
} \
|
|
\
|
|
Buffer = fb->BackBuffer + y * WIDTH_BYTES_ALIGN32(fb->width, __bpp) \
|
|
+ (x + n) * __pixel_size; \
|
|
while (n--) \
|
|
{ \
|
|
Buffer -= __pixel_size; \
|
|
UNPACK_COLOR_##__bpp(GET_PIXEL_##__bpp((__type*)Buffer), \
|
|
&red[n], &green[n], &blue[n]); \
|
|
alpha[n] = 0; \
|
|
} \
|
|
}
|
|
READ_COLOR_SPAN(8, BYTE, 1)
|
|
READ_COLOR_SPAN(16, USHORT, 2)
|
|
READ_COLOR_SPAN(24, ULONG, 3)
|
|
READ_COLOR_SPAN(32, ULONG, 4)
|
|
#undef READ_COLOR_SPAN
|
|
|
|
/* Read an array of color index pixels. */
|
|
static void read_index_pixels(GLcontext* ctx,
|
|
GLuint n, const GLint x[], const GLint y[],
|
|
GLuint index[], const GLubyte mask[])
|
|
{
|
|
|
|
ERR("Not implemented yet !\n");
|
|
}
|
|
|
|
/* Read an array of color pixels. */
|
|
#define READ_COLOR_PIXELS(__bpp, __type, __pixel_size) \
|
|
static void read_color_pixels_##__bpp(GLcontext* ctx, \
|
|
GLuint n, const GLint x[], const GLint y[], \
|
|
GLubyte red[], GLubyte green[], \
|
|
GLubyte blue[], GLubyte alpha[], \
|
|
const GLubyte mask[] ) \
|
|
{ \
|
|
struct sw_context* sw_ctx = ctx->DriverCtx; \
|
|
struct sw_framebuffer* fb = sw_ctx->fb; \
|
|
\
|
|
if (sw_ctx->Mode == GL_FRONT) \
|
|
{ \
|
|
COLORREF Color; \
|
|
while (n--) \
|
|
{ \
|
|
if (mask[n]) \
|
|
{ \
|
|
Color = GetPixel(fb->Hdc, x[n], fb->height - y[n]); \
|
|
UNPACK_COLORREF_##__bpp(Color, &red[n], &green[n], &blue[n]); \
|
|
alpha[n] = 0; \
|
|
} \
|
|
} \
|
|
\
|
|
return; \
|
|
} \
|
|
\
|
|
while (n--) \
|
|
{ \
|
|
if (mask[n]) \
|
|
{ \
|
|
BYTE *Buffer = fb->BackBuffer + y[n] * WIDTH_BYTES_ALIGN32(fb->width, __bpp) \
|
|
+ x[n] * __pixel_size; \
|
|
UNPACK_COLOR_##__bpp(GET_PIXEL_##__bpp((__type*)Buffer), \
|
|
&red[n], &green[n], &blue[n]); \
|
|
alpha[n] = 0; \
|
|
} \
|
|
} \
|
|
}
|
|
READ_COLOR_PIXELS(8, BYTE, 1)
|
|
READ_COLOR_PIXELS(16, USHORT, 2)
|
|
READ_COLOR_PIXELS(24, ULONG, 3)
|
|
READ_COLOR_PIXELS(32, ULONG, 4)
|
|
#undef READ_COLOR_PIXELS
|
|
|
|
static void setup_DD_pointers( GLcontext* ctx )
|
|
{
|
|
struct sw_context* sw_ctx = ctx->DriverCtx;
|
|
|
|
ctx->Driver.RendererString = renderer_string;
|
|
ctx->Driver.UpdateState = setup_DD_pointers;
|
|
|
|
switch (sw_ctx->fb->pixel_format->cColorBits)
|
|
{
|
|
#define HANDLE_BPP(__bpp) \
|
|
case __bpp: \
|
|
ctx->Driver.ClearIndex = clear_index_##__bpp; \
|
|
ctx->Driver.ClearColor = clear_color_##__bpp; \
|
|
ctx->Driver.Clear = clear_##__bpp; \
|
|
ctx->Driver.Index = set_index_##__bpp; \
|
|
ctx->Driver.Color = set_color_##__bpp; \
|
|
ctx->Driver.WriteColorSpan = write_color_span_##__bpp; \
|
|
ctx->Driver.WriteMonocolorSpan = write_monocolor_span_##__bpp; \
|
|
ctx->Driver.WriteMonoindexSpan = write_monocolor_span_##__bpp; \
|
|
ctx->Driver.WriteColorPixels = write_color_pixels_##__bpp; \
|
|
ctx->Driver.WriteMonocolorPixels = write_monocolor_pixels_##__bpp; \
|
|
ctx->Driver.WriteMonoindexPixels = write_monocolor_pixels_##__bpp; \
|
|
ctx->Driver.ReadColorSpan = read_color_span_##__bpp; \
|
|
ctx->Driver.ReadColorPixels = read_color_pixels_##__bpp; \
|
|
break
|
|
HANDLE_BPP(8);
|
|
HANDLE_BPP(16);
|
|
HANDLE_BPP(24);
|
|
HANDLE_BPP(32);
|
|
#undef HANDLE_BPP
|
|
default:
|
|
ERR("Unhandled bit depth %u, defaulting to 32bpp.\n", sw_ctx->fb->pixel_format->cColorBits);
|
|
ctx->Driver.ClearIndex = clear_index_32;
|
|
ctx->Driver.ClearColor = clear_color_32;
|
|
ctx->Driver.Clear = clear_32;
|
|
ctx->Driver.Index = set_index_32;
|
|
ctx->Driver.Color = set_color_32;
|
|
ctx->Driver.WriteColorSpan = write_color_span_32;
|
|
ctx->Driver.WriteMonocolorSpan = write_monocolor_span_32;
|
|
ctx->Driver.WriteMonoindexSpan = write_monocolor_span_32;
|
|
ctx->Driver.WriteColorPixels = write_color_pixels_32;
|
|
ctx->Driver.WriteMonocolorPixels = write_monocolor_pixels_32;
|
|
ctx->Driver.WriteMonoindexPixels = write_monocolor_pixels_32;
|
|
ctx->Driver.ReadColorSpan = read_color_span_32;
|
|
ctx->Driver.ReadColorPixels = read_color_pixels_32;
|
|
break;
|
|
}
|
|
|
|
ctx->Driver.SetBuffer = set_buffer;
|
|
ctx->Driver.GetBufferSize = buffer_size;
|
|
|
|
/* Pixel/span writing functions: */
|
|
ctx->Driver.WriteIndexSpan = write_index_span;
|
|
ctx->Driver.WriteIndexPixels = write_index_pixels;
|
|
|
|
/* Pixel/span reading functions: */
|
|
ctx->Driver.ReadIndexSpan = read_index_span;
|
|
ctx->Driver.ReadIndexPixels = read_index_pixels;
|
|
}
|
|
|
|
/* Declare API table */
|
|
#define USE_GL_FUNC(name, proto_args, call_args, offset, stack) extern void WINAPI _mesa_##name proto_args ;
|
|
#define USE_GL_FUNC_RET(name, ret_type, proto_args, call_args, offset, stack) extern ret_type WINAPI _mesa_##name proto_args ;
|
|
#include "glfuncs.h"
|
|
|
|
static GLCLTPROCTABLE sw_api_table =
|
|
{
|
|
OPENGL_VERSION_110_ENTRIES,
|
|
{
|
|
#define USE_GL_FUNC(name, proto_args, call_args, offset, stack) _mesa_##name,
|
|
#include "glfuncs.h"
|
|
}
|
|
};
|
|
|
|
/* Glue code */
|
|
GLcontext* gl_get_thread_context(void)
|
|
{
|
|
struct sw_context* sw_ctx = (struct sw_context*)IntGetCurrentDHGLRC();
|
|
return sw_ctx->gl_ctx;
|
|
}
|
|
|
|
|
|
BOOL sw_SetContext(struct wgl_dc_data* dc_data, DHGLRC dhglrc)
|
|
{
|
|
struct sw_context* sw_ctx = (struct sw_context*)dhglrc;
|
|
struct sw_framebuffer* fb = dc_data->sw_data;
|
|
UINT width, height;
|
|
|
|
/* Get framebuffer size */
|
|
if(dc_data->flags & WGL_DC_OBJ_DC)
|
|
{
|
|
HWND hwnd = dc_data->owner.hwnd;
|
|
RECT client_rect;
|
|
if(!hwnd)
|
|
{
|
|
ERR("Physical DC without a window!\n");
|
|
return FALSE;
|
|
}
|
|
if(!GetClientRect(hwnd, &client_rect))
|
|
{
|
|
ERR("GetClientRect failed!\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* This is a physical DC. Setup the hook */
|
|
sw_ctx->hook = SetWindowsHookEx(WH_CALLWNDPROC,
|
|
sw_call_window_proc,
|
|
NULL,
|
|
GetCurrentThreadId());
|
|
|
|
/* Calculate width & height */
|
|
width = client_rect.right - client_rect.left;
|
|
height = client_rect.bottom - client_rect.top;
|
|
}
|
|
else /* OBJ_MEMDC */
|
|
{
|
|
BITMAP bm;
|
|
HBITMAP hbmp;
|
|
HDC hdc = dc_data->owner.hdc;
|
|
|
|
if(fb->gl_visual->DBflag)
|
|
{
|
|
ERR("Memory DC called with a double buffered format.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
hbmp = GetCurrentObject( hdc, OBJ_BITMAP );
|
|
if(!hbmp)
|
|
{
|
|
ERR("No Bitmap!\n");
|
|
return FALSE;
|
|
}
|
|
if(GetObject(hbmp, sizeof(bm), &bm) == 0)
|
|
{
|
|
ERR("GetObject failed!\n");
|
|
return FALSE;
|
|
}
|
|
width = bm.bmWidth;
|
|
height = bm.bmHeight;
|
|
}
|
|
|
|
if(!width) width = 1;
|
|
if(!height) height = 1;
|
|
|
|
/* Also make the mesa context current to mesa */
|
|
gl_make_current(sw_ctx->gl_ctx, fb->gl_buffer);
|
|
|
|
/* Setup our functions */
|
|
setup_DD_pointers(sw_ctx->gl_ctx);
|
|
|
|
/* Set the viewport if this is the first time we initialize this context */
|
|
if(sw_ctx->gl_ctx->Viewport.X == 0 &&
|
|
sw_ctx->gl_ctx->Viewport.Y == 0 &&
|
|
sw_ctx->gl_ctx->Viewport.Width == 0 &&
|
|
sw_ctx->gl_ctx->Viewport.Height == 0)
|
|
{
|
|
gl_Viewport(sw_ctx->gl_ctx, 0, 0, width, height);
|
|
}
|
|
|
|
/* update the framebuffer size */
|
|
gl_ResizeBuffersMESA(sw_ctx->gl_ctx);
|
|
|
|
/* Use our API table */
|
|
IntSetCurrentDispatchTable(&sw_api_table.glDispatchTable);
|
|
|
|
/* We're good */
|
|
return TRUE;
|
|
}
|
|
|
|
void sw_ReleaseContext(DHGLRC dhglrc)
|
|
{
|
|
struct sw_context* sw_ctx = (struct sw_context*)dhglrc;
|
|
|
|
/* Forward to mesa */
|
|
gl_make_current(NULL, NULL);
|
|
|
|
/* Unhook */
|
|
if(sw_ctx->hook)
|
|
{
|
|
UnhookWindowsHookEx(sw_ctx->hook);
|
|
sw_ctx->hook = NULL;
|
|
}
|
|
}
|
|
|
|
BOOL sw_SwapBuffers(HDC hdc, struct wgl_dc_data* dc_data)
|
|
{
|
|
struct sw_framebuffer* fb = dc_data->sw_data;
|
|
char Buffer[sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD)];
|
|
BITMAPINFO *bmi = (BITMAPINFO*)Buffer;
|
|
BYTE Bpp = fb->pixel_format->cColorBits;
|
|
|
|
if (!fb->gl_visual->DBflag)
|
|
return TRUE;
|
|
|
|
if (!fb->BackBuffer)
|
|
return FALSE;
|
|
|
|
bmi->bmiHeader.biSize = sizeof(bmi->bmiHeader);
|
|
bmi->bmiHeader.biBitCount = Bpp;
|
|
bmi->bmiHeader.biClrImportant = 0;
|
|
bmi->bmiHeader.biClrUsed = 0;
|
|
bmi->bmiHeader.biPlanes = 1;
|
|
bmi->bmiHeader.biSizeImage = WIDTH_BYTES_ALIGN32(fb->width, Bpp) * fb->height;
|
|
bmi->bmiHeader.biXPelsPerMeter = 0;
|
|
bmi->bmiHeader.biYPelsPerMeter = 0;
|
|
bmi->bmiHeader.biHeight = fb->height;
|
|
bmi->bmiHeader.biWidth = fb->width;
|
|
bmi->bmiHeader.biCompression = Bpp == 16 ? BI_BITFIELDS : BI_RGB;
|
|
|
|
if (Bpp == 16)
|
|
{
|
|
DWORD* BitMasks = (DWORD*)(&bmi->bmiColors[0]);
|
|
BitMasks[0] = 0x0000F800;
|
|
BitMasks[1] = 0x000007E0;
|
|
BitMasks[2] = 0x0000001F;
|
|
}
|
|
|
|
return SetDIBitsToDevice(fb->Hdc, 0, 0, fb->width, fb->height, 0, 0, 0, fb->height, fb->BackBuffer, bmi,
|
|
fb->pixel_format->iPixelType == PFD_TYPE_COLORINDEX ? DIB_PAL_COLORS : DIB_RGB_COLORS) != 0;
|
|
}
|