97 lines
1.9 KiB
C
97 lines
1.9 KiB
C
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/*
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* Copyright (c) 1993-1995 Argonaut Technologies Limited. All rights reserved.
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*
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* $Id: sbuffer.h 2.1 1996/03/15 17:25:03 sam Exp $
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* $Locker: $
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*
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* Stored buffer structure
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*/
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#ifndef _SBUFFER_H_
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#define _SBUFFER_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Flags
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*/
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enum {
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SBUFF_SHARED = 0x0001, /* Data is shared with user */
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};
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/*
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* A minimal description of a pixelmap (with all origins and
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* bases factored out)
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*/
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struct render_buffer
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{
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void *base; /* 0,0 pixel */
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void *base_mem; /* actual base of allocated memory for data */
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br_uint_16 sel; /* Optional segment */
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br_uint_8 type; /* Original pixelmap type */
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br_uint_8 bpp; /* Bytes per pixel */
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br_uint_32 width_b; /* In bytes */
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br_uint_32 width_p; /* In pixels */
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br_uint_32 height; /* In scanlines */
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br_uint_32 stride; /* In bytes */
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br_uint_32 size; /* stride * width_bytes */
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br_uint_16 mip_offset; /* For mip map textures ect */
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br_boolean alpha_pixels; /* Transparent texture flag */
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br_boolean in_video_memory; /* Handle if this is a texture */
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br_boolean always_in_video_memory; /* This buffer _always_ resides in video memory */
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br_boolean uncacheable;
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S3DTK_SURFACE s3_surface;
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LPDIRECTDRAWSURFACE surface; /* DirectDraw surface corresponding to this texture */
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struct render_buffer *next_on_card; /* Pointer to next surface in texture cache */
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};
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typedef struct br_buffer_stored
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{
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/*
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* Dispatch table
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*/
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struct br_buffer_stored_dispatch *dispatch;
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/*
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* Standard object identifier
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*/
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char *identifier;
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/* Primitive library holding ownership */
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br_primitive_library *plib;
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/*
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* Flags
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*/
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br_uint_32 flags;
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/*
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* Reduced info about buffer
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*/
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struct render_buffer buffer;
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/* flag to indicate if this stored buffer has been updated */
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br_boolean buffer_updated;
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} br_buffer_stored;
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#ifdef __cplusplus
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};
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#endif
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#endif
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