static struct pipe_sampler_view *
fd4_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc,
const struct pipe_sampler_view *cso)
{
struct fd4_pipe_sampler_view *so = CALLOC_STRUCT(fd4_pipe_sampler_view);
struct fd_resource *rsc = fd_resource(prsc);
unsigned lvl = fd_sampler_first_level(cso);
unsigned miplevels = fd_sampler_last_level(cso) - lvl;
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->texconst0 =
A4XX_TEX_CONST_0_TYPE(tex_type(prsc->target)) |
A4XX_TEX_CONST_0_FMT(fd4_pipe2tex(cso->format)) |
A4XX_TEX_CONST_0_MIPLVLS(miplevels) |
fd4_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g,
cso->swizzle_b, cso->swizzle_a);
if (util_format_is_srgb(cso->format))
so->texconst0 |= A4XX_TEX_CONST_0_SRGB;
so->texconst1 =
A4XX_TEX_CONST_1_WIDTH(u_minify(prsc->width0, lvl)) |
A4XX_TEX_CONST_1_HEIGHT(u_minify(prsc->height0, lvl));
so->texconst2 =
A4XX_TEX_CONST_2_FETCHSIZE(fd4_pipe2fetchsize(cso->format)) |
A4XX_TEX_CONST_2_PITCH(rsc->slices[lvl].pitch * rsc->cpp);
switch (prsc->target) {
case PIPE_TEXTURE_1D_ARRAY:
case PIPE_TEXTURE_2D_ARRAY:
so->texconst3 =
A4XX_TEX_CONST_3_DEPTH(prsc->array_size) |
A4XX_TEX_CONST_3_LAYERSZ(rsc->layer_size);
break;
case PIPE_TEXTURE_CUBE:
case PIPE_TEXTURE_CUBE_ARRAY:
so->texconst3 =
A4XX_TEX_CONST_3_DEPTH(prsc->array_size / 6) |
A4XX_TEX_CONST_3_LAYERSZ(rsc->layer_size);
break;
case PIPE_TEXTURE_3D:
so->texconst3 =
A4XX_TEX_CONST_3_DEPTH(u_minify(prsc->depth0, lvl)) |
A4XX_TEX_CONST_3_LAYERSZ(rsc->slices[0].size0);
break;
default:
so->texconst3 = 0x00000000;
break;
}
return &so->base;
}
/* emit texture state for mem->gmem restore operation.. eventually it would
* be good to get rid of this and use normal CSO/etc state for more of these
* special cases..
*/
void
fd4_emit_gmem_restore_tex(struct fd_ringbuffer *ring, struct pipe_surface *psurf)
{
struct fd_resource *rsc = fd_resource(psurf->texture);
unsigned lvl = psurf->u.tex.level;
struct fd_resource_slice *slice = fd_resource_slice(rsc, lvl);
uint32_t offset = fd_resource_offset(rsc, lvl, psurf->u.tex.first_layer);
enum pipe_format format = fd4_gmem_restore_format(psurf->format);
debug_assert(psurf->u.tex.first_layer == psurf->u.tex.last_layer);
/* output sampler state: */
OUT_PKT3(ring, CP_LOAD_STATE, 4);
OUT_RING(ring, CP_LOAD_STATE_0_DST_OFF(0) |
CP_LOAD_STATE_0_STATE_SRC(SS_DIRECT) |
CP_LOAD_STATE_0_STATE_BLOCK(SB_FRAG_TEX) |
CP_LOAD_STATE_0_NUM_UNIT(1));
OUT_RING(ring, CP_LOAD_STATE_1_STATE_TYPE(ST_SHADER) |
CP_LOAD_STATE_1_EXT_SRC_ADDR(0));
OUT_RING(ring, A4XX_TEX_SAMP_0_XY_MAG(A4XX_TEX_NEAREST) |
A4XX_TEX_SAMP_0_XY_MIN(A4XX_TEX_NEAREST) |
A4XX_TEX_SAMP_0_WRAP_S(A4XX_TEX_CLAMP_TO_EDGE) |
A4XX_TEX_SAMP_0_WRAP_T(A4XX_TEX_CLAMP_TO_EDGE) |
A4XX_TEX_SAMP_0_WRAP_R(A4XX_TEX_REPEAT));
OUT_RING(ring, 0x00000000);
/* emit texture state: */
OUT_PKT3(ring, CP_LOAD_STATE, 10);
OUT_RING(ring, CP_LOAD_STATE_0_DST_OFF(0) |
CP_LOAD_STATE_0_STATE_SRC(SS_DIRECT) |
CP_LOAD_STATE_0_STATE_BLOCK(SB_FRAG_TEX) |
CP_LOAD_STATE_0_NUM_UNIT(1));
OUT_RING(ring, CP_LOAD_STATE_1_STATE_TYPE(ST_CONSTANTS) |
CP_LOAD_STATE_1_EXT_SRC_ADDR(0));
OUT_RING(ring, A4XX_TEX_CONST_0_FMT(fd4_pipe2tex(format)) |
A4XX_TEX_CONST_0_TYPE(A4XX_TEX_2D) |
fd4_tex_swiz(format, PIPE_SWIZZLE_RED, PIPE_SWIZZLE_GREEN,
PIPE_SWIZZLE_BLUE, PIPE_SWIZZLE_ALPHA));
OUT_RING(ring, A4XX_TEX_CONST_1_WIDTH(psurf->width) |
A4XX_TEX_CONST_1_HEIGHT(psurf->height));
OUT_RING(ring, A4XX_TEX_CONST_2_PITCH(slice->pitch * rsc->cpp));
OUT_RING(ring, 0x00000000);
OUT_RELOC(ring, rsc->bo, offset, 0, 0);
OUT_RING(ring, 0x00000000);
OUT_RING(ring, 0x00000000);
OUT_RING(ring, 0x00000000);
}
static boolean
fd4_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned storage_sample_count,
unsigned usage)
{
unsigned retval = 0;
if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
(sample_count > 1)) { /* TODO add MSAA */
DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
util_format_name(format), target, sample_count, usage);
return FALSE;
}
if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
return false;
if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
(fd4_pipe2vtx(format) != (enum a4xx_vtx_fmt)~0)) {
retval |= PIPE_BIND_VERTEX_BUFFER;
}
if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
(target == PIPE_BUFFER ||
util_format_get_blocksize(format) != 12) &&
(fd4_pipe2tex(format) != (enum a4xx_tex_fmt)~0)) {
retval |= PIPE_BIND_SAMPLER_VIEW;
}
if ((usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED)) &&
(fd4_pipe2color(format) != (enum a4xx_color_fmt)~0) &&
(fd4_pipe2tex(format) != (enum a4xx_tex_fmt)~0)) {
retval |= usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED);
}
/* For ARB_framebuffer_no_attachments: */
if ((usage & PIPE_BIND_RENDER_TARGET) && (format == PIPE_FORMAT_NONE)) {
retval |= usage & PIPE_BIND_RENDER_TARGET;
}
if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
(fd4_pipe2depth(format) != (enum a4xx_depth_format)~0) &&
(fd4_pipe2tex(format) != (enum a4xx_tex_fmt)~0)) {
retval |= PIPE_BIND_DEPTH_STENCIL;
}
if ((usage & PIPE_BIND_INDEX_BUFFER) &&
(fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
retval |= PIPE_BIND_INDEX_BUFFER;
}
if (retval != usage) {
DBG("not supported: format=%s, target=%d, sample_count=%d, "
"usage=%x, retval=%x", util_format_name(format),
target, sample_count, usage, retval);
}
return retval == usage;
}
