diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/a5xx/fd5_rasterizer.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/a5xx/fd5_rasterizer.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_rasterizer.c b/src/gallium/drivers/freedreno/a5xx/fd5_rasterizer.c new file mode 100644 index 00000000000..6741852f31b --- /dev/null +++ b/src/gallium/drivers/freedreno/a5xx/fd5_rasterizer.c @@ -0,0 +1,99 @@ +/* + * Copyright (C) 2016 Rob Clark <[email protected]> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Rob Clark <[email protected]> + */ + + +#include "pipe/p_state.h" +#include "util/u_string.h" +#include "util/u_memory.h" + +#include "fd5_rasterizer.h" +#include "fd5_context.h" +#include "fd5_format.h" + +void * +fd5_rasterizer_state_create(struct pipe_context *pctx, + const struct pipe_rasterizer_state *cso) +{ + struct fd5_rasterizer_stateobj *so; + float psize_min, psize_max; + + so = CALLOC_STRUCT(fd5_rasterizer_stateobj); + if (!so) + return NULL; + + so->base = *cso; + + if (cso->point_size_per_vertex) { + psize_min = util_get_min_point_size(cso); + psize_max = 4092; + } else { + /* Force the point size to be as if the vertex output was disabled. */ + psize_min = cso->point_size; + psize_max = cso->point_size; + } + + so->gras_cl_clip_cntl = 0x80000; /* ??? */ + so->gras_su_point_minmax = + A5XX_GRAS_SU_POINT_MINMAX_MIN(psize_min) | + A5XX_GRAS_SU_POINT_MINMAX_MAX(psize_max); + so->gras_su_point_size = A5XX_GRAS_SU_POINT_SIZE(cso->point_size); + so->gras_su_poly_offset_scale = + A5XX_GRAS_SU_POLY_OFFSET_SCALE(cso->offset_scale); + so->gras_su_poly_offset_offset = + A5XX_GRAS_SU_POLY_OFFSET_OFFSET(cso->offset_units); + so->gras_su_poly_offset_clamp = + A5XX_GRAS_SU_POLY_OFFSET_OFFSET_CLAMP(cso->offset_clamp); + + so->gras_su_cntl = + A5XX_GRAS_SU_CNTL_LINEHALFWIDTH(cso->line_width/2.0); +// so->pc_prim_vtx_cntl2 = +// A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_FRONT_PTYPE(fd_polygon_mode(cso->fill_front)) | +// A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_BACK_PTYPE(fd_polygon_mode(cso->fill_back)); + +// if (cso->fill_front != PIPE_POLYGON_MODE_FILL || +// cso->fill_back != PIPE_POLYGON_MODE_FILL) +// so->pc_prim_vtx_cntl2 |= A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_ENABLE; +// +// if (cso->cull_face & PIPE_FACE_FRONT) +// so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_CULL_FRONT; +// if (cso->cull_face & PIPE_FACE_BACK) +// so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_CULL_BACK; + if (!cso->front_ccw) + so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_FRONT_CW; +// if (!cso->flatshade_first) +// so->pc_prim_vtx_cntl |= A5XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST; + + if (cso->offset_tri) + so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_POLY_OFFSET; + +// if (!cso->depth_clip) +// so->gras_cl_clip_cntl |= A5XX_GRAS_CL_CLIP_CNTL_ZNEAR_CLIP_DISABLE | +// A5XX_GRAS_CL_CLIP_CNTL_ZFAR_CLIP_DISABLE; +// if (cso->clip_halfz) +// so->gras_cl_clip_cntl |= A5XX_GRAS_CL_CLIP_CNTL_ZERO_GB_SCALE_Z; + + return so; +} |