static void *
nvc0_zsa_state_create(struct pipe_context *pipe,
const struct pipe_depth_stencil_alpha_state *cso)
{
struct nvc0_zsa_stateobj *so = CALLOC_STRUCT(nvc0_zsa_stateobj);
so->pipe = *cso;
SB_IMMED_3D(so, DEPTH_TEST_ENABLE, cso->depth.enabled);
if (cso->depth.enabled) {
SB_IMMED_3D(so, DEPTH_WRITE_ENABLE, cso->depth.writemask);
SB_BEGIN_3D(so, DEPTH_TEST_FUNC, 1);
SB_DATA (so, nvgl_comparison_op(cso->depth.func));
}
if (cso->stencil[0].enabled) {
SB_BEGIN_3D(so, STENCIL_ENABLE, 5);
SB_DATA (so, 1);
SB_DATA (so, nvgl_stencil_op(cso->stencil[0].fail_op));
SB_DATA (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
SB_DATA (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
SB_DATA (so, nvgl_comparison_op(cso->stencil[0].func));
SB_BEGIN_3D(so, STENCIL_FRONT_FUNC_MASK, 2);
SB_DATA (so, cso->stencil[0].valuemask);
SB_DATA (so, cso->stencil[0].writemask);
} else {
SB_IMMED_3D(so, STENCIL_ENABLE, 0);
}
if (cso->stencil[1].enabled) {
assert(cso->stencil[0].enabled);
SB_BEGIN_3D(so, STENCIL_TWO_SIDE_ENABLE, 5);
SB_DATA (so, 1);
SB_DATA (so, nvgl_stencil_op(cso->stencil[1].fail_op));
SB_DATA (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
SB_DATA (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
SB_DATA (so, nvgl_comparison_op(cso->stencil[1].func));
SB_BEGIN_3D(so, STENCIL_BACK_MASK, 2);
SB_DATA (so, cso->stencil[1].writemask);
SB_DATA (so, cso->stencil[1].valuemask);
} else
if (cso->stencil[0].enabled) {
SB_IMMED_3D(so, STENCIL_TWO_SIDE_ENABLE, 0);
}
SB_IMMED_3D(so, ALPHA_TEST_ENABLE, cso->alpha.enabled);
if (cso->alpha.enabled) {
SB_BEGIN_3D(so, ALPHA_TEST_REF, 2);
SB_DATA (so, fui(cso->alpha.ref_value));
SB_DATA (so, nvgl_comparison_op(cso->alpha.func));
}
assert(so->size <= (sizeof(so->state) / sizeof(so->state[0])));
return (void *)so;
}
static void *
nvc0_blend_state_create(struct pipe_context *pipe,
const struct pipe_blend_state *cso)
{
struct nvc0_blend_stateobj *so = CALLOC_STRUCT(nvc0_blend_stateobj);
int i;
int r; /* reference */
uint8_t blend_en = 0;
bool indep_masks = false;
bool indep_funcs = false;
so->pipe = *cso;
/* check which states actually have differing values */
if (cso->independent_blend_enable) {
for (r = 0; r < 8 && !cso->rt[r].blend_enable; ++r);
blend_en |= 1 << r;
for (i = r + 1; i < 8; ++i) {
if (!cso->rt[i].blend_enable)
continue;
blend_en |= 1 << i;
if (cso->rt[i].rgb_func != cso->rt[r].rgb_func ||
cso->rt[i].rgb_src_factor != cso->rt[r].rgb_src_factor ||
cso->rt[i].rgb_dst_factor != cso->rt[r].rgb_dst_factor ||
cso->rt[i].alpha_func != cso->rt[r].alpha_func ||
cso->rt[i].alpha_src_factor != cso->rt[r].alpha_src_factor ||
cso->rt[i].alpha_dst_factor != cso->rt[r].alpha_dst_factor) {
indep_funcs = true;
break;
}
}
for (; i < 8; ++i)
blend_en |= (cso->rt[i].blend_enable ? 1 : 0) << i;
for (i = 1; i < 8; ++i) {
if (cso->rt[i].colormask != cso->rt[0].colormask) {
indep_masks = true;
break;
}
}
} else {
r = 0;
if (cso->rt[0].blend_enable)
blend_en = 0xff;
}
if (cso->logicop_enable) {
SB_BEGIN_3D(so, LOGIC_OP_ENABLE, 2);
SB_DATA (so, 1);
SB_DATA (so, nvgl_logicop_func(cso->logicop_func));
SB_IMMED_3D(so, MACRO_BLEND_ENABLES, 0);
} else {
SB_IMMED_3D(so, LOGIC_OP_ENABLE, 0);
SB_IMMED_3D(so, BLEND_INDEPENDENT, indep_funcs);
SB_IMMED_3D(so, MACRO_BLEND_ENABLES, blend_en);
if (indep_funcs) {
for (i = 0; i < 8; ++i) {
if (cso->rt[i].blend_enable) {
SB_BEGIN_3D(so, IBLEND_EQUATION_RGB(i), 6);
SB_DATA (so, nvgl_blend_eqn(cso->rt[i].rgb_func));
SB_DATA (so, nvc0_blend_fac(cso->rt[i].rgb_src_factor));
SB_DATA (so, nvc0_blend_fac(cso->rt[i].rgb_dst_factor));
SB_DATA (so, nvgl_blend_eqn(cso->rt[i].alpha_func));
SB_DATA (so, nvc0_blend_fac(cso->rt[i].alpha_src_factor));
SB_DATA (so, nvc0_blend_fac(cso->rt[i].alpha_dst_factor));
}
}
} else
if (blend_en) {
SB_BEGIN_3D(so, BLEND_EQUATION_RGB, 5);
SB_DATA (so, nvgl_blend_eqn(cso->rt[r].rgb_func));
SB_DATA (so, nvc0_blend_fac(cso->rt[r].rgb_src_factor));
SB_DATA (so, nvc0_blend_fac(cso->rt[r].rgb_dst_factor));
SB_DATA (so, nvgl_blend_eqn(cso->rt[r].alpha_func));
SB_DATA (so, nvc0_blend_fac(cso->rt[r].alpha_src_factor));
SB_BEGIN_3D(so, BLEND_FUNC_DST_ALPHA, 1);
SB_DATA (so, nvc0_blend_fac(cso->rt[r].alpha_dst_factor));
}
SB_IMMED_3D(so, COLOR_MASK_COMMON, !indep_masks);
if (indep_masks) {
SB_BEGIN_3D(so, COLOR_MASK(0), 8);
for (i = 0; i < 8; ++i)
SB_DATA(so, nvc0_colormask(cso->rt[i].colormask));
} else {
SB_BEGIN_3D(so, COLOR_MASK(0), 1);
SB_DATA (so, nvc0_colormask(cso->rt[0].colormask));
}
}
assert(so->size <= ARRAY_SIZE(so->state));
return so;
}
/* NOTE: ignoring line_last_pixel */
static void *
nvc0_rasterizer_state_create(struct pipe_context *pipe,
const struct pipe_rasterizer_state *cso)
{
struct nvc0_rasterizer_stateobj *so;
uint32_t reg;
so = CALLOC_STRUCT(nvc0_rasterizer_stateobj);
if (!so)
return NULL;
so->pipe = *cso;
/* Scissor enables are handled in scissor state, we will not want to
* always emit 16 commands, one for each scissor rectangle, here.
*/
SB_IMMED_3D(so, PROVOKING_VERTEX_LAST, !cso->flatshade_first);
SB_IMMED_3D(so, VERTEX_TWO_SIDE_ENABLE, cso->light_twoside);
SB_IMMED_3D(so, VERT_COLOR_CLAMP_EN, cso->clamp_vertex_color);
SB_BEGIN_3D(so, FRAG_COLOR_CLAMP_EN, 1);
SB_DATA (so, cso->clamp_fragment_color ? 0x11111111 : 0x00000000);
SB_IMMED_3D(so, MULTISAMPLE_ENABLE, cso->multisample);
SB_IMMED_3D(so, LINE_SMOOTH_ENABLE, cso->line_smooth);
if (cso->line_smooth || cso->multisample)
SB_BEGIN_3D(so, LINE_WIDTH_SMOOTH, 1);
else
SB_BEGIN_3D(so, LINE_WIDTH_ALIASED, 1);
SB_DATA (so, fui(cso->line_width));
SB_IMMED_3D(so, LINE_STIPPLE_ENABLE, cso->line_stipple_enable);
if (cso->line_stipple_enable) {
SB_BEGIN_3D(so, LINE_STIPPLE_PATTERN, 1);
SB_DATA (so, (cso->line_stipple_pattern << 8) |
cso->line_stipple_factor);
}
SB_IMMED_3D(so, VP_POINT_SIZE, cso->point_size_per_vertex);
if (!cso->point_size_per_vertex) {
SB_BEGIN_3D(so, POINT_SIZE, 1);
SB_DATA (so, fui(cso->point_size));
}
reg = (cso->sprite_coord_mode == PIPE_SPRITE_COORD_UPPER_LEFT) ?
NVC0_3D_POINT_COORD_REPLACE_COORD_ORIGIN_UPPER_LEFT :
NVC0_3D_POINT_COORD_REPLACE_COORD_ORIGIN_LOWER_LEFT;
SB_BEGIN_3D(so, POINT_COORD_REPLACE, 1);
SB_DATA (so, ((cso->sprite_coord_enable & 0xff) << 3) | reg);
SB_IMMED_3D(so, POINT_SPRITE_ENABLE, cso->point_quad_rasterization);
SB_IMMED_3D(so, POINT_SMOOTH_ENABLE, cso->point_smooth);
SB_BEGIN_3D(so, MACRO_POLYGON_MODE_FRONT, 1);
SB_DATA (so, nvgl_polygon_mode(cso->fill_front));
SB_BEGIN_3D(so, MACRO_POLYGON_MODE_BACK, 1);
SB_DATA (so, nvgl_polygon_mode(cso->fill_back));
SB_IMMED_3D(so, POLYGON_SMOOTH_ENABLE, cso->poly_smooth);
SB_BEGIN_3D(so, CULL_FACE_ENABLE, 3);
SB_DATA (so, cso->cull_face != PIPE_FACE_NONE);
SB_DATA (so, cso->front_ccw ? NVC0_3D_FRONT_FACE_CCW :
NVC0_3D_FRONT_FACE_CW);
switch (cso->cull_face) {
case PIPE_FACE_FRONT_AND_BACK:
SB_DATA(so, NVC0_3D_CULL_FACE_FRONT_AND_BACK);
break;
case PIPE_FACE_FRONT:
SB_DATA(so, NVC0_3D_CULL_FACE_FRONT);
break;
case PIPE_FACE_BACK:
default:
SB_DATA(so, NVC0_3D_CULL_FACE_BACK);
break;
}
SB_IMMED_3D(so, POLYGON_STIPPLE_ENABLE, cso->poly_stipple_enable);
SB_BEGIN_3D(so, POLYGON_OFFSET_POINT_ENABLE, 3);
SB_DATA (so, cso->offset_point);
SB_DATA (so, cso->offset_line);
SB_DATA (so, cso->offset_tri);
if (cso->offset_point || cso->offset_line || cso->offset_tri) {
SB_BEGIN_3D(so, POLYGON_OFFSET_FACTOR, 1);
SB_DATA (so, fui(cso->offset_scale));
SB_BEGIN_3D(so, POLYGON_OFFSET_UNITS, 1);
SB_DATA (so, fui(cso->offset_units * 2.0f));
SB_BEGIN_3D(so, POLYGON_OFFSET_CLAMP, 1);
SB_DATA (so, fui(cso->offset_clamp));
}
if (cso->depth_clip)
reg = NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1;
else
reg =
NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1 |
NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_NEAR |
NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_FAR |
NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12_UNK2;
SB_BEGIN_3D(so, VIEW_VOLUME_CLIP_CTRL, 1);
SB_DATA (so, reg);
SB_IMMED_3D(so, DEPTH_CLIP_NEGATIVE_Z, cso->clip_halfz);
SB_IMMED_3D(so, PIXEL_CENTER_INTEGER, !cso->half_pixel_center);
assert(so->size <= ARRAY_SIZE(so->state));
return (void *)so;
}
/* NOTE: ignoring line_last_pixel */
static void *
nvc0_rasterizer_state_create(struct pipe_context *pipe,
const struct pipe_rasterizer_state *cso)
{
struct nvc0_rasterizer_stateobj *so;
uint16_t class_3d = nouveau_screen(pipe->screen)->class_3d;
uint32_t reg;
so = CALLOC_STRUCT(nvc0_rasterizer_stateobj);
if (!so)
return NULL;
so->pipe = *cso;
/* Scissor enables are handled in scissor state, we will not want to
* always emit 16 commands, one for each scissor rectangle, here.
*/
SB_IMMED_3D(so, PROVOKING_VERTEX_LAST, !cso->flatshade_first);
SB_IMMED_3D(so, VERTEX_TWO_SIDE_ENABLE, cso->light_twoside);
SB_IMMED_3D(so, VERT_COLOR_CLAMP_EN, cso->clamp_vertex_color);
SB_BEGIN_3D(so, FRAG_COLOR_CLAMP_EN, 1);
SB_DATA (so, cso->clamp_fragment_color ? 0x11111111 : 0x00000000);
SB_IMMED_3D(so, MULTISAMPLE_ENABLE, cso->multisample);
SB_IMMED_3D(so, LINE_SMOOTH_ENABLE, cso->line_smooth);
/* On GM20x+, LINE_WIDTH_SMOOTH controls both aliased and smooth
* rendering and LINE_WIDTH_ALIASED seems to be ignored
*/
if (cso->line_smooth || cso->multisample || class_3d >= GM200_3D_CLASS)
SB_BEGIN_3D(so, LINE_WIDTH_SMOOTH, 1);
else
SB_BEGIN_3D(so, LINE_WIDTH_ALIASED, 1);
SB_DATA (so, fui(cso->line_width));
SB_IMMED_3D(so, LINE_STIPPLE_ENABLE, cso->line_stipple_enable);
if (cso->line_stipple_enable) {
SB_BEGIN_3D(so, LINE_STIPPLE_PATTERN, 1);
SB_DATA (so, (cso->line_stipple_pattern << 8) |
cso->line_stipple_factor);
}
SB_IMMED_3D(so, VP_POINT_SIZE, cso->point_size_per_vertex);
if (!cso->point_size_per_vertex) {
SB_BEGIN_3D(so, POINT_SIZE, 1);
SB_DATA (so, fui(cso->point_size));
}
reg = (cso->sprite_coord_mode == PIPE_SPRITE_COORD_UPPER_LEFT) ?
NVC0_3D_POINT_COORD_REPLACE_COORD_ORIGIN_UPPER_LEFT :
NVC0_3D_POINT_COORD_REPLACE_COORD_ORIGIN_LOWER_LEFT;
SB_BEGIN_3D(so, POINT_COORD_REPLACE, 1);
SB_DATA (so, ((cso->sprite_coord_enable & 0xff) << 3) | reg);
SB_IMMED_3D(so, POINT_SPRITE_ENABLE, cso->point_quad_rasterization);
SB_IMMED_3D(so, POINT_SMOOTH_ENABLE, cso->point_smooth);
if (class_3d >= GM200_3D_CLASS) {
SB_IMMED_3D(so, FILL_RECTANGLE,
cso->fill_front == PIPE_POLYGON_MODE_FILL_RECTANGLE ?
NVC0_3D_FILL_RECTANGLE_ENABLE : 0);
}
SB_BEGIN_3D(so, MACRO_POLYGON_MODE_FRONT, 1);
SB_DATA (so, nvgl_polygon_mode(cso->fill_front));
SB_BEGIN_3D(so, MACRO_POLYGON_MODE_BACK, 1);
SB_DATA (so, nvgl_polygon_mode(cso->fill_back));
SB_IMMED_3D(so, POLYGON_SMOOTH_ENABLE, cso->poly_smooth);
SB_BEGIN_3D(so, CULL_FACE_ENABLE, 3);
SB_DATA (so, cso->cull_face != PIPE_FACE_NONE);
SB_DATA (so, cso->front_ccw ? NVC0_3D_FRONT_FACE_CCW :
NVC0_3D_FRONT_FACE_CW);
switch (cso->cull_face) {
case PIPE_FACE_FRONT_AND_BACK:
SB_DATA(so, NVC0_3D_CULL_FACE_FRONT_AND_BACK);
break;
case PIPE_FACE_FRONT:
SB_DATA(so, NVC0_3D_CULL_FACE_FRONT);
break;
case PIPE_FACE_BACK:
default:
SB_DATA(so, NVC0_3D_CULL_FACE_BACK);
break;
}
SB_IMMED_3D(so, POLYGON_STIPPLE_ENABLE, cso->poly_stipple_enable);
SB_BEGIN_3D(so, POLYGON_OFFSET_POINT_ENABLE, 3);
SB_DATA (so, cso->offset_point);
SB_DATA (so, cso->offset_line);
SB_DATA (so, cso->offset_tri);
if (cso->offset_point || cso->offset_line || cso->offset_tri) {
SB_BEGIN_3D(so, POLYGON_OFFSET_FACTOR, 1);
SB_DATA (so, fui(cso->offset_scale));
if (!cso->offset_units_unscaled) {
SB_BEGIN_3D(so, POLYGON_OFFSET_UNITS, 1);
SB_DATA (so, fui(cso->offset_units * 2.0f));
}
SB_BEGIN_3D(so, POLYGON_OFFSET_CLAMP, 1);
SB_DATA (so, fui(cso->offset_clamp));
}
if (cso->depth_clip_near)
reg = NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1;
else
reg =
NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1 |
NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_NEAR |
NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_FAR |
NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12_UNK2;
SB_BEGIN_3D(so, VIEW_VOLUME_CLIP_CTRL, 1);
SB_DATA (so, reg);
SB_IMMED_3D(so, DEPTH_CLIP_NEGATIVE_Z, cso->clip_halfz);
SB_IMMED_3D(so, PIXEL_CENTER_INTEGER, !cso->half_pixel_center);
if (class_3d >= GM200_3D_CLASS) {
if (cso->conservative_raster_mode != PIPE_CONSERVATIVE_RASTER_OFF) {
bool post_snap = cso->conservative_raster_mode ==
PIPE_CONSERVATIVE_RASTER_POST_SNAP;
uint32_t state = cso->subpixel_precision_x;
state |= cso->subpixel_precision_y << 4;
state |= (uint32_t)(cso->conservative_raster_dilate * 4) << 8;
state |= (post_snap || class_3d < GP100_3D_CLASS) ? 1 << 10 : 0;
SB_IMMED_3D(so, MACRO_CONSERVATIVE_RASTER_STATE, state);
} else {
SB_IMMED_3D(so, CONSERVATIVE_RASTER, 0);
}
}
assert(so->size <= ARRAY_SIZE(so->state));
return (void *)so;
}
static void *
nvc0_blend_state_create(struct pipe_context *pipe,
const struct pipe_blend_state *cso)
{
struct nvc0_blend_stateobj *so = CALLOC_STRUCT(nvc0_blend_stateobj);
int i;
uint32_t ms;
so->pipe = *cso;
SB_IMMED_3D(so, BLEND_INDEPENDENT, cso->independent_blend_enable);
if (!cso->logicop_enable)
SB_IMMED_3D(so, LOGIC_OP_ENABLE, 0);
if (cso->logicop_enable) {
SB_BEGIN_3D(so, LOGIC_OP_ENABLE, 2);
SB_DATA (so, 1);
SB_DATA (so, nvgl_logicop_func(cso->logicop_func));
SB_IMMED_3D(so, BLEND_ENABLES, 0);
} else
if (!cso->independent_blend_enable) {
SB_IMMED_3D(so, BLEND_ENABLES, cso->rt[0].blend_enable ? 0xff : 0);
if (cso->rt[0].blend_enable) {
SB_BEGIN_3D(so, BLEND_EQUATION_RGB, 5);
SB_DATA (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
SB_DATA (so, nvc0_blend_fac(cso->rt[0].rgb_src_factor));
SB_DATA (so, nvc0_blend_fac(cso->rt[0].rgb_dst_factor));
SB_DATA (so, nvgl_blend_eqn(cso->rt[0].alpha_func));
SB_DATA (so, nvc0_blend_fac(cso->rt[0].alpha_src_factor));
SB_BEGIN_3D(so, BLEND_FUNC_DST_ALPHA, 1);
SB_DATA (so, nvc0_blend_fac(cso->rt[0].alpha_dst_factor));
}
SB_IMMED_3D(so, COLOR_MASK_COMMON, 1);
SB_BEGIN_3D(so, COLOR_MASK(0), 1);
SB_DATA (so, nvc0_colormask(cso->rt[0].colormask));
} else {
uint8_t en = 0;
for (i = 0; i < 8; ++i) {
if (!cso->rt[i].blend_enable)
continue;
en |= 1 << i;
SB_BEGIN_3D(so, IBLEND_EQUATION_RGB(i), 6);
SB_DATA (so, nvgl_blend_eqn(cso->rt[i].rgb_func));
SB_DATA (so, nvc0_blend_fac(cso->rt[i].rgb_src_factor));
SB_DATA (so, nvc0_blend_fac(cso->rt[i].rgb_dst_factor));
SB_DATA (so, nvgl_blend_eqn(cso->rt[i].alpha_func));
SB_DATA (so, nvc0_blend_fac(cso->rt[i].alpha_src_factor));
SB_DATA (so, nvc0_blend_fac(cso->rt[i].alpha_dst_factor));
}
SB_IMMED_3D(so, BLEND_ENABLES, en);
SB_IMMED_3D(so, COLOR_MASK_COMMON, 0);
SB_BEGIN_3D(so, COLOR_MASK(0), 8);
for (i = 0; i < 8; ++i)
SB_DATA(so, nvc0_colormask(cso->rt[i].colormask));
}
ms = 0;
if (cso->alpha_to_coverage)
ms |= NVC0_3D_MULTISAMPLE_CTRL_ALPHA_TO_COVERAGE;
if (cso->alpha_to_one)
ms |= NVC0_3D_MULTISAMPLE_CTRL_ALPHA_TO_ONE;
SB_BEGIN_3D(so, MULTISAMPLE_CTRL, 1);
SB_DATA (so, ms);
assert(so->size <= (sizeof(so->state) / sizeof(so->state[0])));
return so;
}
