| /* |
| * Copyright (c) 2012-2015 Etnaviv Project |
| * |
| * 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, sub license, |
| * 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 NON-INFRINGEMENT. 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. |
| */ |
| |
| #include "etnaviv_rasterizer.h" |
| #include "etnaviv_context.h" |
| #include "etnaviv_screen.h" |
| |
| #include "hw/common.xml.h" |
| |
| #include "etnaviv_translate.h" |
| #include "util/u_math.h" |
| #include "util/u_memory.h" |
| |
| void * |
| etna_rasterizer_state_create(struct pipe_context *pctx, |
| const struct pipe_rasterizer_state *so) |
| { |
| struct etna_rasterizer_state *cs; |
| struct etna_context *ctx = etna_context(pctx); |
| |
| if (so->fill_front != so->fill_back) |
| DBG("Different front and back fill mode not supported"); |
| |
| cs = CALLOC_STRUCT(etna_rasterizer_state); |
| if (!cs) |
| return NULL; |
| |
| cs->base = *so; |
| |
| cs->PA_CONFIG = (so->flatshade ? VIVS_PA_CONFIG_SHADE_MODEL_FLAT : VIVS_PA_CONFIG_SHADE_MODEL_SMOOTH) | |
| translate_cull_face(so->cull_face, so->front_ccw) | |
| translate_polygon_mode(so->fill_front) | |
| COND(so->point_quad_rasterization, VIVS_PA_CONFIG_POINT_SPRITE_ENABLE) | |
| COND(so->point_size_per_vertex, VIVS_PA_CONFIG_POINT_SIZE_ENABLE) | |
| COND(VIV_FEATURE(ctx->screen, chipMinorFeatures1, WIDE_LINE), VIVS_PA_CONFIG_WIDE_LINE); |
| cs->PA_LINE_WIDTH = fui(so->line_width / 2.0f); |
| cs->PA_POINT_SIZE = fui(so->point_size / 2.0f); |
| cs->SE_DEPTH_SCALE = fui(so->offset_scale); |
| cs->SE_DEPTH_BIAS = fui((so->offset_units / 65535.0f) * 2.0f); |
| cs->SE_CONFIG = COND(so->line_last_pixel, VIVS_SE_CONFIG_LAST_PIXEL_ENABLE); |
| /* XXX anything else? */ |
| /* XXX bottom_edge_rule */ |
| cs->PA_SYSTEM_MODE = |
| COND(!so->flatshade_first, VIVS_PA_SYSTEM_MODE_PROVOKING_VERTEX_LAST) | |
| COND(so->half_pixel_center, VIVS_PA_SYSTEM_MODE_HALF_PIXEL_CENTER); |
| |
| /* so->scissor overrides the scissor, defaulting to the whole framebuffer, |
| * with the scissor state */ |
| cs->scissor = so->scissor; |
| |
| /* point size per vertex adds a vertex shader output */ |
| cs->point_size_per_vertex = so->point_size_per_vertex; |
| |
| assert(!so->clip_halfz); /* could be supported with shader magic, actually |
| D3D z is default on older gc */ |
| |
| return cs; |
| } |