void *
fd2_blend_state_create(struct pipe_context *pctx,
const struct pipe_blend_state *cso)
{
const struct pipe_rt_blend_state *rt = &cso->rt[0];
struct fd2_blend_stateobj *so;
if (cso->logicop_enable) {
DBG("Unsupported! logicop");
return NULL;
}
if (cso->independent_blend_enable) {
DBG("Unsupported! independent blend state");
return NULL;
}
so = CALLOC_STRUCT(fd2_blend_stateobj);
if (!so)
return NULL;
so->base = *cso;
so->rb_colorcontrol = A2XX_RB_COLORCONTROL_ROP_CODE(12);
so->rb_blendcontrol =
A2XX_RB_BLEND_CONTROL_COLOR_SRCBLEND(fd_blend_factor(rt->rgb_src_factor)) |
A2XX_RB_BLEND_CONTROL_COLOR_COMB_FCN(blend_func(rt->rgb_func)) |
A2XX_RB_BLEND_CONTROL_COLOR_DESTBLEND(fd_blend_factor(rt->rgb_dst_factor)) |
A2XX_RB_BLEND_CONTROL_ALPHA_SRCBLEND(fd_blend_factor(rt->alpha_src_factor)) |
A2XX_RB_BLEND_CONTROL_ALPHA_COMB_FCN(blend_func(rt->alpha_func)) |
A2XX_RB_BLEND_CONTROL_ALPHA_DESTBLEND(fd_blend_factor(rt->alpha_dst_factor));
if (rt->colormask & PIPE_MASK_R)
so->rb_colormask |= A2XX_RB_COLOR_MASK_WRITE_RED;
if (rt->colormask & PIPE_MASK_G)
so->rb_colormask |= A2XX_RB_COLOR_MASK_WRITE_GREEN;
if (rt->colormask & PIPE_MASK_B)
so->rb_colormask |= A2XX_RB_COLOR_MASK_WRITE_BLUE;
if (rt->colormask & PIPE_MASK_A)
so->rb_colormask |= A2XX_RB_COLOR_MASK_WRITE_ALPHA;
if (!rt->blend_enable)
so->rb_colorcontrol |= A2XX_RB_COLORCONTROL_BLEND_DISABLE;
if (cso->dither)
so->rb_colorcontrol |= A2XX_RB_COLORCONTROL_DITHER_MODE(DITHER_ALWAYS);
return so;
}
void *
fd4_blend_state_create(struct pipe_context *pctx,
const struct pipe_blend_state *cso)
{
struct fd4_blend_stateobj *so;
enum a3xx_rop_code rop = ROP_COPY;
bool reads_dest = false;
unsigned i, mrt_blend = 0;
if (cso->logicop_enable) {
rop = cso->logicop_func; /* maps 1:1 */
switch (cso->logicop_func) {
case PIPE_LOGICOP_NOR:
case PIPE_LOGICOP_AND_INVERTED:
case PIPE_LOGICOP_AND_REVERSE:
case PIPE_LOGICOP_INVERT:
case PIPE_LOGICOP_XOR:
case PIPE_LOGICOP_NAND:
case PIPE_LOGICOP_AND:
case PIPE_LOGICOP_EQUIV:
case PIPE_LOGICOP_NOOP:
case PIPE_LOGICOP_OR_INVERTED:
case PIPE_LOGICOP_OR_REVERSE:
case PIPE_LOGICOP_OR:
reads_dest = true;
break;
}
}
so = CALLOC_STRUCT(fd4_blend_stateobj);
if (!so)
return NULL;
so->base = *cso;
for (i = 0; i < ARRAY_SIZE(so->rb_mrt); i++) {
const struct pipe_rt_blend_state *rt;
if (cso->independent_blend_enable)
rt = &cso->rt[i];
else
rt = &cso->rt[0];
so->rb_mrt[i].blend_control_rgb =
A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(rt->rgb_src_factor)) |
A4XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(blend_func(rt->rgb_func)) |
A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(fd_blend_factor(rt->rgb_dst_factor));
so->rb_mrt[i].blend_control_alpha =
A4XX_RB_MRT_BLEND_CONTROL_ALPHA_SRC_FACTOR(fd_blend_factor(rt->alpha_src_factor)) |
A4XX_RB_MRT_BLEND_CONTROL_ALPHA_BLEND_OPCODE(blend_func(rt->alpha_func)) |
A4XX_RB_MRT_BLEND_CONTROL_ALPHA_DEST_FACTOR(fd_blend_factor(rt->alpha_dst_factor));
so->rb_mrt[i].blend_control_no_alpha_rgb =
A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(util_blend_dst_alpha_to_one(rt->rgb_src_factor))) |
A4XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(blend_func(rt->rgb_func)) |
A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(fd_blend_factor(util_blend_dst_alpha_to_one(rt->rgb_dst_factor)));
so->rb_mrt[i].control =
A4XX_RB_MRT_CONTROL_ROP_CODE(rop) |
COND(cso->logicop_enable, A4XX_RB_MRT_CONTROL_ROP_ENABLE) |
A4XX_RB_MRT_CONTROL_COMPONENT_ENABLE(rt->colormask);
if (rt->blend_enable) {
so->rb_mrt[i].control |=
A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE |
A4XX_RB_MRT_CONTROL_BLEND |
A4XX_RB_MRT_CONTROL_BLEND2;
mrt_blend |= (1 << i);
}
if (reads_dest) {
so->rb_mrt[i].control |= A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE;
mrt_blend |= (1 << i);
}
if (cso->dither)
so->rb_mrt[i].buf_info |= A4XX_RB_MRT_BUF_INFO_DITHER_MODE(DITHER_ALWAYS);
}
so->rb_fs_output = A4XX_RB_FS_OUTPUT_ENABLE_BLEND(mrt_blend) |
COND(cso->independent_blend_enable, A4XX_RB_FS_OUTPUT_INDEPENDENT_BLEND);
return so;
}
void *
fd4_blend_state_create(struct pipe_context *pctx,
const struct pipe_blend_state *cso)
{
struct fd4_blend_stateobj *so;
// enum a3xx_rop_code rop = ROP_COPY;
bool reads_dest = false;
int i;
if (cso->logicop_enable) {
// rop = cso->logicop_func; /* maps 1:1 */
switch (cso->logicop_func) {
case PIPE_LOGICOP_NOR:
case PIPE_LOGICOP_AND_INVERTED:
case PIPE_LOGICOP_AND_REVERSE:
case PIPE_LOGICOP_INVERT:
case PIPE_LOGICOP_XOR:
case PIPE_LOGICOP_NAND:
case PIPE_LOGICOP_AND:
case PIPE_LOGICOP_EQUIV:
case PIPE_LOGICOP_NOOP:
case PIPE_LOGICOP_OR_INVERTED:
case PIPE_LOGICOP_OR_REVERSE:
case PIPE_LOGICOP_OR:
reads_dest = true;
break;
}
}
if (cso->independent_blend_enable) {
DBG("Unsupported! independent blend state");
return NULL;
}
so = CALLOC_STRUCT(fd4_blend_stateobj);
if (!so)
return NULL;
so->base = *cso;
for (i = 0; i < ARRAY_SIZE(so->rb_mrt); i++) {
const struct pipe_rt_blend_state *rt = &cso->rt[i];
so->rb_mrt[i].blend_control =
A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(rt->rgb_src_factor)) |
A4XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(blend_func(rt->rgb_func)) |
A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(fd_blend_factor(rt->rgb_dst_factor)) |
A4XX_RB_MRT_BLEND_CONTROL_ALPHA_SRC_FACTOR(fd_blend_factor(rt->alpha_src_factor)) |
A4XX_RB_MRT_BLEND_CONTROL_ALPHA_BLEND_OPCODE(blend_func(rt->alpha_func)) |
A4XX_RB_MRT_BLEND_CONTROL_ALPHA_DEST_FACTOR(fd_blend_factor(rt->alpha_dst_factor));
so->rb_mrt[i].control =
0xc00 | /* XXX ROP_CODE ?? */
A4XX_RB_MRT_CONTROL_COMPONENT_ENABLE(rt->colormask);
if (rt->blend_enable) {
so->rb_mrt[i].control |=
A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE |
A4XX_RB_MRT_CONTROL_BLEND |
A4XX_RB_MRT_CONTROL_BLEND2;
so->rb_fs_output |= A4XX_RB_FS_OUTPUT_ENABLE_BLEND(1);
}
if (reads_dest)
so->rb_mrt[i].control |= A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE;
if (cso->dither)
so->rb_mrt[i].buf_info |= A4XX_RB_MRT_BUF_INFO_DITHER_MODE(DITHER_ALWAYS);
}
return so;
}