171 lines
4 KiB
C
171 lines
4 KiB
C
/*
|
|
* Copyright (c) 1993-1995 Argonaut Technologies Limited. All rights reserved.
|
|
*
|
|
* 3Dfx CLUT methods
|
|
*/
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
|
|
#include "drv.h"
|
|
#include "shortcut.h"
|
|
#include "brassert.h"
|
|
|
|
/*
|
|
* Default dispatch table for device_clut (defined at end of file)
|
|
*/
|
|
static struct br_device_clut_dispatch deviceClutDispatch;
|
|
|
|
/*
|
|
* Renderer info. template
|
|
*/
|
|
#define F(f) offsetof(struct br_device_clut, f)
|
|
|
|
static struct br_tv_template_entry deviceClutTemplateEntries[] = {
|
|
{BRT_IDENTIFIER_CSTR, 0, F(identifier), BRTV_QUERY | BRTV_ALL, BRTV_CONV_COPY, },
|
|
};
|
|
#undef F
|
|
|
|
static struct br_tv_template deviceClutTemplate = {
|
|
BR_ASIZE(deviceClutTemplateEntries),
|
|
deviceClutTemplateEntries
|
|
};
|
|
|
|
/*
|
|
* Create a new device CLUT
|
|
*/
|
|
br_device_clut * DeviceClut3DfxAllocate(br_device *dev, char *identifier)
|
|
{
|
|
br_device_clut *self;
|
|
int i;
|
|
|
|
CLEAR_TEMPLATE(deviceClut);
|
|
|
|
self = BrResAllocate(Device3DfxResource(dev), sizeof(*self), BR_MEMORY_OBJECT);
|
|
|
|
self->dispatch = &deviceClutDispatch;
|
|
if(identifier)
|
|
self->identifier = identifier;
|
|
|
|
for(i=0; i < CLUT_SIZE; i++)
|
|
self->entries[i] = BR_COLOUR_RGB(i,i,i);
|
|
|
|
ObjectContainerAddFront(dev, (br_object *)self);
|
|
|
|
return self;
|
|
}
|
|
|
|
static void BR_CMETHOD_DECL(br_device_clut_3dfx, free)(br_device_clut *self)
|
|
{
|
|
ObjectContainerRemove(ObjectDevice(self), (br_object *)self);
|
|
|
|
BrResFreeNoCallback(self);
|
|
}
|
|
|
|
static br_token BR_CMETHOD_DECL(br_device_clut_3dfx, type)(br_device_clut *self)
|
|
{
|
|
return BRT_DEVICE_CLUT;
|
|
}
|
|
|
|
static br_boolean BR_CMETHOD_DECL(br_device_clut_3dfx, isType)(br_device_clut *self, br_token t)
|
|
{
|
|
return (t == BRT_DEVICE_CLUT) || (t == BRT_OBJECT);
|
|
}
|
|
|
|
static br_int_32 BR_CMETHOD_DECL(br_device_clut_3dfx, space)(br_device_clut *self)
|
|
{
|
|
return sizeof(br_device_clut);
|
|
}
|
|
|
|
static struct br_tv_template * BR_CMETHOD_DECL(br_device_clut_3dfx,queryTemplate)(br_device_clut *self)
|
|
{
|
|
deviceClutTemplate.res = Device3DfxResource(Object3DfxDevice(self));
|
|
return &deviceClutTemplate;
|
|
}
|
|
|
|
static br_error BR_CMETHOD_DECL(br_device_clut_3dfx, entrySet)
|
|
(br_device_clut *self, br_int_32 index, br_colour entry)
|
|
{
|
|
if(index < 0 || index >= CLUT_SIZE)
|
|
return BRE_OVERFLOW;
|
|
|
|
self->entries[index] = entry;
|
|
|
|
return BRE_OK;
|
|
}
|
|
|
|
static br_error BR_CMETHOD_DECL(br_device_clut_3dfx, entryQuery)
|
|
(br_device_clut *self, br_colour *entry, br_int_32 index)
|
|
{
|
|
if(index < 0 || index >= CLUT_SIZE)
|
|
return BRE_OVERFLOW;
|
|
|
|
*entry = self->entries[index];
|
|
|
|
return BRE_OK;
|
|
}
|
|
|
|
static br_error BR_CMETHOD_DECL(br_device_clut_3dfx, entrySetMany)
|
|
(br_device_clut *self, br_int_32 index, br_int_32 count, br_colour *entries)
|
|
{
|
|
int i;
|
|
|
|
if(index < 0 || index >= CLUT_SIZE)
|
|
return BRE_OVERFLOW;
|
|
|
|
if(index + count > CLUT_SIZE)
|
|
return BRE_OVERFLOW;
|
|
|
|
for(i=0; i < count; i++) {
|
|
self->entries[index+i] = entries[i];
|
|
}
|
|
|
|
return BRE_OK;
|
|
}
|
|
|
|
static br_error BR_CMETHOD_DECL(br_device_clut_3dfx, entryQueryMany)
|
|
(br_device_clut *self, br_colour *entries, br_int_32 index, br_int_32 count)
|
|
{
|
|
int i;
|
|
|
|
if(index < 0 || index >= CLUT_SIZE)
|
|
return BRE_OVERFLOW;
|
|
|
|
if(index + count > CLUT_SIZE)
|
|
return BRE_OVERFLOW;
|
|
|
|
for(i=0; i < count; i++)
|
|
entries[i] = self->entries[index+i];
|
|
|
|
return BRE_OK;
|
|
}
|
|
|
|
|
|
/*
|
|
* Default dispatch table for device CLUT
|
|
*/
|
|
static struct br_device_clut_dispatch deviceClutDispatch = {
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
BR_CMETHOD_REF(br_device_clut_3dfx, free),
|
|
BR_CMETHOD_REF(br_object_3dfx, identifier),
|
|
BR_CMETHOD_REF(br_device_clut_3dfx, type),
|
|
BR_CMETHOD_REF(br_device_clut_3dfx, isType),
|
|
BR_CMETHOD_REF(br_object_3dfx, device),
|
|
BR_CMETHOD_REF(br_device_clut_3dfx, space),
|
|
|
|
BR_CMETHOD_REF(br_device_clut_3dfx, queryTemplate),
|
|
BR_CMETHOD_REF(br_object, query),
|
|
BR_CMETHOD_REF(br_object, queryBuffer),
|
|
BR_CMETHOD_REF(br_object, queryMany),
|
|
BR_CMETHOD_REF(br_object, queryManySize),
|
|
BR_CMETHOD_REF(br_object, queryAll),
|
|
BR_CMETHOD_REF(br_object, queryAllSize),
|
|
|
|
BR_CMETHOD_REF(br_device_clut_3dfx, entrySet),
|
|
BR_CMETHOD_REF(br_device_clut_3dfx, entryQuery),
|
|
BR_CMETHOD_REF(br_device_clut_3dfx, entrySetMany),
|
|
BR_CMETHOD_REF(br_device_clut_3dfx, entryQueryMany),
|
|
};
|
|
|