static struct pipe_sampler_view *
fd2_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc,
const struct pipe_sampler_view *cso)
{
struct fd2_pipe_sampler_view *so = CALLOC_STRUCT(fd2_pipe_sampler_view);
struct fd_resource *rsc = fd_resource(prsc);
if (!so)
return NULL;
so->base = *cso;
pipe_reference(NULL, &prsc->reference);
so->base.texture = prsc;
so->base.reference.count = 1;
so->base.context = pctx;
so->tex_resource = rsc;
so->fmt = fd2_pipe2surface(cso->format);
so->tex0 = A2XX_SQ_TEX_0_PITCH(rsc->pitch);
so->tex2 =
A2XX_SQ_TEX_2_HEIGHT(prsc->height0 - 1) |
A2XX_SQ_TEX_2_WIDTH(prsc->width0 - 1);
so->tex3 = fd2_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g,
cso->swizzle_b, cso->swizzle_a);
return &so->base;
}
static void
patch_vtx_fetches(struct fd_context *ctx, struct fd2_shader_stateobj *so,
struct fd_vertex_stateobj *vtx)
{
unsigned i;
assert(so->num_vfetch_instrs == vtx->num_elements);
/* update vtx fetch instructions: */
for (i = 0; i < so->num_vfetch_instrs; i++) {
struct ir2_instruction *instr = so->vfetch_instrs[i];
struct pipe_vertex_element *elem = &vtx->pipe[i];
struct pipe_vertex_buffer *vb =
&ctx->vertexbuf.vb[elem->vertex_buffer_index];
enum pipe_format format = elem->src_format;
const struct util_format_description *desc =
util_format_description(format);
unsigned j;
/* Find the first non-VOID channel. */
for (j = 0; j < 4; j++)
if (desc->channel[j].type != UTIL_FORMAT_TYPE_VOID)
break;
/* CI/CIS can probably be set in compiler instead: */
instr->fetch.const_idx = 20 + (i / 3);
instr->fetch.const_idx_sel = i % 3;
instr->fetch.fmt = fd2_pipe2surface(format);
instr->fetch.is_normalized = desc->channel[j].normalized;
instr->fetch.is_signed =
desc->channel[j].type == UTIL_FORMAT_TYPE_SIGNED;
instr->fetch.stride = vb->stride ? : 1;
instr->fetch.offset = elem->src_offset;
for (j = 0; j < 4; j++)
instr->regs[0]->swizzle[j] = "xyzw01__"[desc->swizzle[j]];
assert(instr->fetch.fmt != ~0);
DBG("vtx[%d]: %s (%d), ci=%d, cis=%d, id=%d, swizzle=%s, "
"stride=%d, offset=%d",
i, util_format_name(format),
instr->fetch.fmt,
instr->fetch.const_idx,
instr->fetch.const_idx_sel,
elem->instance_divisor,
instr->regs[0]->swizzle,
instr->fetch.stride,
instr->fetch.offset);
}
/* trigger re-assemble: */
so->info.sizedwords = 0;
}
