static void r200_emit_vecfog(GLcontext *ctx, struct radeon_aos *aos,
GLvoid *data, int stride, int count)
{
radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
uint32_t *out;
int i;
int size = 1;
if (stride == 0) {
radeonAllocDmaRegion(rmesa, &aos->bo, &aos->offset, size * 4, 32);
count = 1;
aos->stride = 0;
} else {
radeonAllocDmaRegion(rmesa, &aos->bo, &aos->offset, size * 4, 32);
aos->stride = size;
}
aos->components = size;
aos->count = count;
out = (uint32_t*)((char*)aos->bo->ptr + aos->offset);
for (i = 0; i < count; i++) {
out[0] = r200ComputeFogBlendFactor( ctx, *(GLfloat *)data );
out++;
data += stride;
}
}
static void r200_FogCoordfvEXT( const GLfloat *v )
{
GET_CURRENT_CONTEXT(ctx);
r200ContextPtr rmesa = R200_CONTEXT(ctx);
GLfloat *dest = rmesa->vb.fogptr;
dest[0] = r200ComputeFogBlendFactor( ctx, v[0] );
/* ctx->Current.Attrib[VERT_ATTRIB_FOG][0] = v[0];*/
}
static void emit_vecfog( GLcontext *ctx,
struct r200_dma_region *rvb,
char *data,
int stride,
int count )
{
int i;
GLfloat *out;
r200ContextPtr rmesa = R200_CONTEXT(ctx);
if (R200_DEBUG & DEBUG_VERTS)
fprintf(stderr, "%s count %d stride %d\n",
__FUNCTION__, count, stride);
assert (!rvb->buf);
if (stride == 0) {
r200AllocDmaRegion( rmesa, rvb, 4, 4 );
count = 1;
rvb->aos_start = GET_START(rvb);
rvb->aos_stride = 0;
rvb->aos_size = 1;
}
else {
r200AllocDmaRegion( rmesa, rvb, count * 4, 4 ); /* alignment? */
rvb->aos_start = GET_START(rvb);
rvb->aos_stride = 1;
rvb->aos_size = 1;
}
/* Emit the data
*/
out = (GLfloat *)(rvb->address + rvb->start);
for (i = 0; i < count; i++) {
out[0] = r200ComputeFogBlendFactor( ctx, *(GLfloat *)data );
out++;
data += stride;
}
}
