void
nv10_emit_blend_func(struct gl_context *ctx, int emit)
{
struct nouveau_pushbuf *push = context_push(ctx);
BEGIN_NV04(push, NV10_3D(BLEND_FUNC_SRC), 2);
PUSH_DATA (push, nvgl_blend_func(ctx->Color.Blend[0].SrcRGB));
PUSH_DATA (push, nvgl_blend_func(ctx->Color.Blend[0].DstRGB));
}
static void *
nv50_blend_state_create(struct pipe_context *pipe,
const struct pipe_blend_state *cso)
{
struct nouveau_stateobj *so = so_new(64, 0);
struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
struct nv50_blend_stateobj *bso = CALLOC_STRUCT(nv50_blend_stateobj);
unsigned cmask = 0, i;
/*XXX ignored:
* - dither
*/
if (cso->blend_enable == 0) {
so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
for (i = 0; i < 8; i++)
so_data(so, 0);
} else {
so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
for (i = 0; i < 8; i++)
so_data(so, 1);
so_method(so, tesla, NV50TCL_BLEND_EQUATION_RGB, 5);
so_data (so, nvgl_blend_eqn(cso->rgb_func));
so_data (so, 0x4000 | nvgl_blend_func(cso->rgb_src_factor));
so_data (so, 0x4000 | nvgl_blend_func(cso->rgb_dst_factor));
so_data (so, nvgl_blend_eqn(cso->alpha_func));
so_data (so, 0x4000 | nvgl_blend_func(cso->alpha_src_factor));
so_method(so, tesla, NV50TCL_BLEND_FUNC_DST_ALPHA, 1);
so_data (so, 0x4000 | nvgl_blend_func(cso->alpha_dst_factor));
}
if (cso->logicop_enable == 0 ) {
so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 1);
so_data (so, 0);
} else {
so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 2);
so_data (so, 1);
so_data (so, nvgl_logicop_func(cso->logicop_func));
}
if (cso->colormask & PIPE_MASK_R)
cmask |= (1 << 0);
if (cso->colormask & PIPE_MASK_G)
cmask |= (1 << 4);
if (cso->colormask & PIPE_MASK_B)
cmask |= (1 << 8);
if (cso->colormask & PIPE_MASK_A)
cmask |= (1 << 12);
so_method(so, tesla, NV50TCL_COLOR_MASK(0), 8);
for (i = 0; i < 8; i++)
so_data(so, cmask);
bso->pipe = *cso;
so_ref(so, &bso->so);
so_ref(NULL, &so);
return (void *)bso;
}
static void *
nv40_blend_state_create(struct pipe_context *pipe,
const struct pipe_blend_state *cso)
{
struct nv40_context *nv40 = nv40_context(pipe);
struct nouveau_grobj *curie = nv40->screen->curie;
struct nv40_blend_state *bso = CALLOC(1, sizeof(*bso));
struct nouveau_stateobj *so = so_new(16, 0);
if (cso->blend_enable) {
so_method(so, curie, NV40TCL_BLEND_ENABLE, 3);
so_data (so, 1);
so_data (so, (nvgl_blend_func(cso->alpha_src_factor) << 16) |
nvgl_blend_func(cso->rgb_src_factor));
so_data (so, nvgl_blend_func(cso->alpha_dst_factor) << 16 |
nvgl_blend_func(cso->rgb_dst_factor));
so_method(so, curie, NV40TCL_BLEND_EQUATION, 1);
so_data (so, nvgl_blend_eqn(cso->alpha_func) << 16 |
nvgl_blend_eqn(cso->rgb_func));
} else {
so_method(so, curie, NV40TCL_BLEND_ENABLE, 1);
so_data (so, 0);
}
so_method(so, curie, NV40TCL_COLOR_MASK, 1);
so_data (so, (((cso->colormask & PIPE_MASK_A) ? (0x01 << 24) : 0) |
((cso->colormask & PIPE_MASK_R) ? (0x01 << 16) : 0) |
((cso->colormask & PIPE_MASK_G) ? (0x01 << 8) : 0) |
((cso->colormask & PIPE_MASK_B) ? (0x01 << 0) : 0)));
if (cso->logicop_enable) {
so_method(so, curie, NV40TCL_COLOR_LOGIC_OP_ENABLE, 2);
so_data (so, 1);
so_data (so, nvgl_logicop_func(cso->logicop_func));
} else {
so_method(so, curie, NV40TCL_COLOR_LOGIC_OP_ENABLE, 1);
so_data (so, 0);
}
so_method(so, curie, NV40TCL_DITHER_ENABLE, 1);
so_data (so, cso->dither ? 1 : 0);
so_ref(so, &bso->so);
so_ref(NULL, &so);
bso->pipe = *cso;
return (void *)bso;
}
static void *
nv50_blend_state_create(struct pipe_context *pipe,
const struct pipe_blend_state *cso)
{
struct nouveau_stateobj *so = so_new(5, 24, 0);
struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
struct nv50_blend_stateobj *bso = CALLOC_STRUCT(nv50_blend_stateobj);
unsigned i, blend_enabled = 0;
/*XXX ignored:
* - dither
*/
so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
if (cso->independent_blend_enable) {
for (i = 0; i < 8; ++i) {
so_data(so, cso->rt[i].blend_enable);
if (cso->rt[i].blend_enable)
blend_enabled = 1;
}
} else if (cso->rt[0].blend_enable) {
blend_enabled = 1;
for (i = 0; i < 8; i++)
so_data(so, 1);
} else {
for (i = 0; i < 8; i++)
so_data(so, 0);
}
if (blend_enabled) {
so_method(so, tesla, NV50TCL_BLEND_EQUATION_RGB, 5);
so_data (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
so_data (so, 0x4000 | nvgl_blend_func(cso->rt[0].rgb_src_factor));
so_data (so, 0x4000 | nvgl_blend_func(cso->rt[0].rgb_dst_factor));
so_data (so, nvgl_blend_eqn(cso->rt[0].alpha_func));
so_data (so, 0x4000 | nvgl_blend_func(cso->rt[0].alpha_src_factor));
so_method(so, tesla, NV50TCL_BLEND_FUNC_DST_ALPHA, 1);
so_data (so, 0x4000 | nvgl_blend_func(cso->rt[0].alpha_dst_factor));
}
if (cso->logicop_enable == 0 ) {
so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 1);
so_data (so, 0);
} else {
so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 2);
so_data (so, 1);
so_data (so, nvgl_logicop_func(cso->logicop_func));
}
so_method(so, tesla, NV50TCL_COLOR_MASK(0), 8);
if (cso->independent_blend_enable)
for (i = 0; i < 8; ++i)
so_data(so, nv50_colormask(cso->rt[i].colormask));
else {
uint32_t cmask = nv50_colormask(cso->rt[0].colormask);
for (i = 0; i < 8; i++)
so_data(so, cmask);
}
bso->pipe = *cso;
so_ref(so, &bso->so);
so_ref(NULL, &so);
return (void *)bso;
}
static void *
nv30_blend_state_create(struct pipe_context *pipe,
const struct pipe_blend_state *cso)
{
struct nouveau_object *eng3d = nv30_context(pipe)->screen->eng3d;
struct nv30_blend_stateobj *so;
uint32_t blend[2], cmask[2];
int i;
so = CALLOC_STRUCT(nv30_blend_stateobj);
if (!so)
return NULL;
so->pipe = *cso;
if (cso->logicop_enable) {
SB_MTHD30(so, COLOR_LOGIC_OP_ENABLE, 2);
SB_DATA (so, 1);
SB_DATA (so, nvgl_logicop_func(cso->logicop_func));
} else {
SB_MTHD30(so, COLOR_LOGIC_OP_ENABLE, 1);
SB_DATA (so, 0);
}
SB_MTHD30(so, DITHER_ENABLE, 1);
SB_DATA (so, cso->dither);
blend[0] = cso->rt[0].blend_enable;
cmask[0] = !!(cso->rt[0].colormask & PIPE_MASK_A) << 24 |
!!(cso->rt[0].colormask & PIPE_MASK_R) << 16 |
!!(cso->rt[0].colormask & PIPE_MASK_G) << 8 |
!!(cso->rt[0].colormask & PIPE_MASK_B);
if (cso->independent_blend_enable) {
blend[1] = 0;
cmask[1] = 0;
for (i = 1; i < 4; i++) {
blend[1] |= cso->rt[i].blend_enable << i;
cmask[1] |= !!(cso->rt[i].colormask & PIPE_MASK_A) << (0 + (i * 4)) |
!!(cso->rt[i].colormask & PIPE_MASK_R) << (1 + (i * 4)) |
!!(cso->rt[i].colormask & PIPE_MASK_G) << (2 + (i * 4)) |
!!(cso->rt[i].colormask & PIPE_MASK_B) << (3 + (i * 4));
}
} else {
blend[1] = 0x0000000e * (blend[0] & 0x00000001);
cmask[1] = 0x00001110 * !!(cmask[0] & 0x01000000);
cmask[1] |= 0x00002220 * !!(cmask[0] & 0x00010000);
cmask[1] |= 0x00004440 * !!(cmask[0] & 0x00000100);
cmask[1] |= 0x00008880 * !!(cmask[0] & 0x00000001);
}
if (eng3d->oclass >= NV40_3D_CLASS) {
SB_MTHD40(so, MRT_BLEND_ENABLE, 2);
SB_DATA (so, blend[1]);
SB_DATA (so, cmask[1]);
}
if (blend[0] || blend[1]) {
SB_MTHD30(so, BLEND_FUNC_ENABLE, 3);
SB_DATA (so, blend[0]);
SB_DATA (so, (nvgl_blend_func(cso->rt[0].alpha_src_factor) << 16) |
nvgl_blend_func(cso->rt[0].rgb_src_factor));
SB_DATA (so, (nvgl_blend_func(cso->rt[0].alpha_dst_factor) << 16) |
nvgl_blend_func(cso->rt[0].rgb_dst_factor));
if (eng3d->oclass < NV40_3D_CLASS) {
SB_MTHD30(so, BLEND_EQUATION, 1);
SB_DATA (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
} else {
SB_MTHD40(so, BLEND_EQUATION, 1);
SB_DATA (so, (nvgl_blend_eqn(cso->rt[0].alpha_func) << 16) |
nvgl_blend_eqn(cso->rt[0].rgb_func));
}
} else {
SB_MTHD30(so, BLEND_FUNC_ENABLE, 1);
SB_DATA (so, blend[0]);
}
SB_MTHD30(so, COLOR_MASK, 1);
SB_DATA (so, cmask[0]);
return so;
}