diff options
Diffstat (limited to 'src')
33 files changed, 401 insertions, 411 deletions
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index 02abddf149..61980c3e4f 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -566,7 +566,7 @@ draw_get_rasterizer_no_cull( struct draw_context *draw, memset(&rast, 0, sizeof(rast)); rast.scissor = scissor; rast.flatshade = flatshade; - rast.front_winding = PIPE_WINDING_CCW; + rast.front_ccw = 1; rast.gl_rasterization_rules = draw->rasterizer->gl_rasterization_rules; draw->rasterizer_no_cull[scissor][flatshade] = diff --git a/src/gallium/auxiliary/draw/draw_pipe_cull.c b/src/gallium/auxiliary/draw/draw_pipe_cull.c index dc66c65a56..bf84ce30ed 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_cull.c +++ b/src/gallium/auxiliary/draw/draw_pipe_cull.c @@ -40,7 +40,8 @@ struct cull_stage { struct draw_stage stage; - unsigned winding; /**< which winding(s) to cull (one of PIPE_WINDING_x) */ + unsigned cull_face; /**< which face(s) to cull (one of PIPE_FACE_x) */ + unsigned front_ccw; }; @@ -73,9 +74,12 @@ static void cull_tri( struct draw_stage *stage, /* if det < 0 then Z points toward the camera and the triangle is * counter-clockwise winding. */ - unsigned winding = (header->det < 0) ? PIPE_WINDING_CCW : PIPE_WINDING_CW; + unsigned ccw = (header->det < 0); + unsigned face = ((ccw == cull_stage(stage)->front_ccw) ? + PIPE_FACE_FRONT : + PIPE_FACE_BACK); - if ((winding & cull_stage(stage)->winding) == 0) { + if ((face & cull_stage(stage)->cull_face) == 0) { /* triangle is not culled, pass to next stage */ stage->next->tri( stage->next, header ); } @@ -88,7 +92,8 @@ static void cull_first_tri( struct draw_stage *stage, { struct cull_stage *cull = cull_stage(stage); - cull->winding = stage->draw->rasterizer->cull_mode; + cull->cull_face = stage->draw->rasterizer->cull_face; + cull->front_ccw = stage->draw->rasterizer->front_ccw; stage->tri = cull_tri; stage->tri( stage, header ); diff --git a/src/gallium/auxiliary/draw/draw_pipe_twoside.c b/src/gallium/auxiliary/draw/draw_pipe_twoside.c index eef0238b15..808b2fb0b5 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_twoside.c +++ b/src/gallium/auxiliary/draw/draw_pipe_twoside.c @@ -141,7 +141,7 @@ static void twoside_first_tri( struct draw_stage *stage, * if the triangle is back-facing (negative). * sign = -1 for CCW, +1 for CW */ - twoside->sign = (stage->draw->rasterizer->front_winding == PIPE_WINDING_CCW) ? -1.0f : 1.0f; + twoside->sign = stage->draw->rasterizer->front_ccw ? -1.0f : 1.0f; stage->tri = twoside_tri; stage->tri( stage, header ); diff --git a/src/gallium/auxiliary/draw/draw_pipe_unfilled.c b/src/gallium/auxiliary/draw/draw_pipe_unfilled.c index a30fada86a..e333d26a93 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_unfilled.c +++ b/src/gallium/auxiliary/draw/draw_pipe_unfilled.c @@ -134,7 +134,8 @@ static void unfilled_tri( struct draw_stage *stage, struct prim_header *header ) { struct unfilled_stage *unfilled = unfilled_stage(stage); - unsigned mode = unfilled->mode[header->det >= 0.0]; + unsigned cw = header->det >= 0.0; + unsigned mode = unfilled->mode[cw]; if (0) print_header_flags(header->flags); @@ -159,9 +160,10 @@ static void unfilled_first_tri( struct draw_stage *stage, struct prim_header *header ) { struct unfilled_stage *unfilled = unfilled_stage(stage); + const struct pipe_rasterizer_state *rast = stage->draw->rasterizer; - unfilled->mode[0] = stage->draw->rasterizer->fill_ccw; /* front */ - unfilled->mode[1] = stage->draw->rasterizer->fill_cw; /* back */ + unfilled->mode[0] = rast->front_ccw ? rast->fill_front : rast->fill_back; + unfilled->mode[1] = rast->front_ccw ? rast->fill_back : rast->fill_front; stage->tri = unfilled_tri; stage->tri( stage, header ); diff --git a/src/gallium/auxiliary/draw/draw_pipe_validate.c b/src/gallium/auxiliary/draw/draw_pipe_validate.c index 2a50af7a41..eafa29276f 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_validate.c +++ b/src/gallium/auxiliary/draw/draw_pipe_validate.c @@ -122,12 +122,14 @@ draw_need_pipeline(const struct draw_context *draw, return TRUE; /* unfilled polygons */ - if (rasterizer->fill_cw != PIPE_POLYGON_MODE_FILL || - rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL) + if (rasterizer->fill_front != PIPE_POLYGON_MODE_FILL || + rasterizer->fill_back != PIPE_POLYGON_MODE_FILL) return TRUE; /* polygon offset */ - if (rasterizer->offset_cw || rasterizer->offset_ccw) + if (rasterizer->offset_point || + rasterizer->offset_line || + rasterizer->offset_tri) return TRUE; /* two-side lighting */ @@ -222,8 +224,8 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage ) next = draw->pipeline.pstipple; } - if (rast->fill_cw != PIPE_POLYGON_MODE_FILL || - rast->fill_ccw != PIPE_POLYGON_MODE_FILL) { + if (rast->fill_front != PIPE_POLYGON_MODE_FILL || + rast->fill_back != PIPE_POLYGON_MODE_FILL) { draw->pipeline.unfilled->next = next; next = draw->pipeline.unfilled; precalc_flat = TRUE; /* only needed for triangles really */ @@ -235,8 +237,9 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage ) next = draw->pipeline.flatshade; } - if (rast->offset_cw || - rast->offset_ccw) { + if (rast->offset_point || + rast->offset_line || + rast->offset_tri) { draw->pipeline.offset->next = next; next = draw->pipeline.offset; need_det = TRUE; @@ -255,7 +258,7 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage ) * to less work emitting vertices, smaller vertex buffers, etc. * It's difficult to say whether this will be true in general. */ - if (need_det || rast->cull_mode) { + if (need_det || rast->cull_face != PIPE_FACE_NONE) { draw->pipeline.cull->next = next; next = draw->pipeline.cull; } diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c index e3b7839a92..f6f6e481d9 100644 --- a/src/gallium/auxiliary/util/u_blit.c +++ b/src/gallium/auxiliary/util/u_blit.c @@ -101,8 +101,7 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) /* rasterizer */ memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer)); - ctx->rasterizer.front_winding = PIPE_WINDING_CW; - ctx->rasterizer.cull_mode = PIPE_WINDING_NONE; + ctx->rasterizer.cull_face = PIPE_FACE_NONE; ctx->rasterizer.gl_rasterization_rules = 1; /* samplers */ diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c index 157b3853e4..3a7c4db6f3 100644 --- a/src/gallium/auxiliary/util/u_blitter.c +++ b/src/gallium/auxiliary/util/u_blitter.c @@ -175,8 +175,7 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe) /* rasterizer state */ memset(&rs_state, 0, sizeof(rs_state)); - rs_state.front_winding = PIPE_WINDING_CW; - rs_state.cull_mode = PIPE_WINDING_NONE; + rs_state.cull_face = PIPE_FACE_NONE; rs_state.gl_rasterization_rules = 1; rs_state.flatshade = 1; ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); diff --git a/src/gallium/auxiliary/util/u_dump_state.c b/src/gallium/auxiliary/util/u_dump_state.c index 2ce643e90c..cda5b8ba51 100644 --- a/src/gallium/auxiliary/util/u_dump_state.c +++ b/src/gallium/auxiliary/util/u_dump_state.c @@ -300,12 +300,13 @@ util_dump_rasterizer_state(struct os_stream *stream, const struct pipe_rasterize util_dump_member(stream, bool, state, flatshade); util_dump_member(stream, bool, state, light_twoside); - util_dump_member(stream, uint, state, front_winding); - util_dump_member(stream, uint, state, cull_mode); - util_dump_member(stream, uint, state, fill_cw); - util_dump_member(stream, uint, state, fill_ccw); - util_dump_member(stream, bool, state, offset_cw); - util_dump_member(stream, bool, state, offset_ccw); + util_dump_member(stream, uint, state, front_ccw); + util_dump_member(stream, uint, state, cull_face); + util_dump_member(stream, uint, state, fill_front); + util_dump_member(stream, uint, state, fill_back); + util_dump_member(stream, bool, state, offset_point); + util_dump_member(stream, bool, state, offset_line); + util_dump_member(stream, bool, state, offset_tri); util_dump_member(stream, bool, state, scissor); util_dump_member(stream, bool, state, poly_smooth); util_dump_member(stream, bool, state, poly_stipple_enable); diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c index eee6030ddc..1553e08d6c 100644 --- a/src/gallium/auxiliary/util/u_gen_mipmap.c +++ b/src/gallium/auxiliary/util/u_gen_mipmap.c @@ -1295,8 +1295,7 @@ util_create_gen_mipmap(struct pipe_context *pipe, /* rasterizer */ memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer)); - ctx->rasterizer.front_winding = PIPE_WINDING_CW; - ctx->rasterizer.cull_mode = PIPE_WINDING_NONE; + ctx->rasterizer.cull_face = PIPE_FACE_NONE; ctx->rasterizer.gl_rasterization_rules = 1; /* sampler state */ diff --git a/src/gallium/auxiliary/util/u_inlines.h b/src/gallium/auxiliary/util/u_inlines.h index a48689ee8b..540305c146 100644 --- a/src/gallium/auxiliary/util/u_inlines.h +++ b/src/gallium/auxiliary/util/u_inlines.h @@ -369,6 +369,24 @@ pipe_transfer_destroy( struct pipe_context *context, } +static INLINE boolean util_get_offset( + const struct pipe_rasterizer_state *templ, + unsigned fill_mode) +{ + switch(fill_mode) { + case PIPE_POLYGON_MODE_POINT: + return templ->offset_point; + case PIPE_POLYGON_MODE_LINE: + return templ->offset_line; + case PIPE_POLYGON_MODE_FILL: + return templ->offset_tri; + default: + assert(0); + return FALSE; + } +} + + #ifdef __cplusplus } #endif diff --git a/src/gallium/docs/source/cso/rasterizer.rst b/src/gallium/docs/source/cso/rasterizer.rst index 56a601a8d0..ad1612f93e 100644 --- a/src/gallium/docs/source/cso/rasterizer.rst +++ b/src/gallium/docs/source/cso/rasterizer.rst @@ -46,6 +46,78 @@ There are several important exceptions to the specification of this rule. second vertex, not the first. This permits each segment of the fan to have a different color. +Polygons +-------- + +light_twoside +^^^^^^^^^^^^^ + +If set, there are per-vertex back-facing colors. The hardware +(perhaps assisted by :ref:`Draw`) should be set up to use this state +along with the front/back information to set the final vertex colors +prior to rasterization. + +The frontface vertex shader color output is marked with TGSI semantic +COLOR[0], and backface COLOR[1]. + +front_ccw + Indicates whether the window order of front-facing polygons is + counter-clockwise (TRUE) or clockwise (FALSE). + +cull_mode + Indicates which faces of polygons to cull, either PIPE_FACE_NONE + (cull no polygons), PIPE_FACE_FRONT (cull front-facing polygons), + PIPE_FACE_BACK (cull back-facing polygons), or + PIPE_FACE_FRONT_AND_BACK (cull all polygons). + +fill_front + Indicates how to fill front-facing polygons, either + PIPE_POLYGON_MODE_FILL, PIPE_POLYGON_MODE_LINE or + PIPE_POLYGON_MODE_POINT. +fill_back + Indicates how to fill back-facing polygons, either + PIPE_POLYGON_MODE_FILL, PIPE_POLYGON_MODE_LINE or + PIPE_POLYGON_MODE_POINT. + +poly_stipple_enable + Whether polygon stippling is enabled. +poly_smooth + Controls OpenGL-style polygon smoothing/antialiasing + +offset_point + If set, point-filled polygons will have polygon offset factors applied +offset_line + If set, line-filled polygons will have polygon offset factors applied +offset_tri + If set, filled polygons will have polygon offset factors applied + +offset_units + Specifies the polygon offset bias +offset_scale + Specifies the polygon offset scale + + + +Lines +----- + +line_width + The width of lines. +line_smooth + Whether lines should be smoothed. Line smoothing is simply anti-aliasing. +line_stipple_enable + Whether line stippling is enabled. +line_stipple_pattern + 16-bit bitfield of on/off flags, used to pattern the line stipple. +line_stipple_factor + When drawing a stippled line, each bit in the stipple pattern is + repeated N times, where N = line_stipple_factor + 1. +line_last_pixel + Controls whether the last pixel in a line is drawn or not. OpenGL + omits the last pixel to avoid double-drawing pixels at the ends of lines + when drawing connected lines. + + Points ------ @@ -89,68 +161,21 @@ coordinates are not generated. Some renderers always internally translate points into quads; this state still affects those renderers by overriding other rasterization state. -Other Members -^^^^^^^^^^^^^ - -light_twoside - If set, there are per-vertex back-facing colors. :ref:`Draw` - uses this state along with the front/back information to set the - final vertex colors prior to rasterization. - -front_winding - Indicates the window order of front-facing polygons, either - PIPE_WINDING_CW or PIPE_WINDING_CCW - -cull_mode - Indicates which polygons to cull, either PIPE_WINDING_NONE (cull no - polygons), PIPE_WINDING_CW (cull clockwise-winding polygons), - PIPE_WINDING_CCW (cull counter clockwise-winding polygons), or - PIPE_WINDING_BOTH (cull all polygons). - -fill_cw - Indicates how to fill clockwise polygons, either PIPE_POLYGON_MODE_FILL, - PIPE_POLYGON_MODE_LINE or PIPE_POLYGON_MODE_POINT. -fill_ccw - Indicates how to fill counter clockwise polygons, either - PIPE_POLYGON_MODE_FILL, PIPE_POLYGON_MODE_LINE or PIPE_POLYGON_MODE_POINT. - -poly_stipple_enable - Whether polygon stippling is enabled. -poly_smooth - Controls OpenGL-style polygon smoothing/antialiasing -offset_cw - If set, clockwise polygons will have polygon offset factors applied -offset_ccw - If set, counter clockwise polygons will have polygon offset factors applied -offset_units - Specifies the polygon offset bias -offset_scale - Specifies the polygon offset scale - -line_width - The width of lines. -line_smooth - Whether lines should be smoothed. Line smoothing is simply anti-aliasing. -line_stipple_enable - Whether line stippling is enabled. -line_stipple_pattern - 16-bit bitfield of on/off flags, used to pattern the line stipple. -line_stipple_factor - When drawing a stippled line, each bit in the stipple pattern is - repeated N times, where N = line_stipple_factor + 1. -line_last_pixel - Controls whether the last pixel in a line is drawn or not. OpenGL - omits the last pixel to avoid double-drawing pixels at the ends of lines - when drawing connected lines. - point_smooth Whether points should be smoothed. Point smoothing turns rectangular points into circles or ovals. point_size_per_vertex - Whether vertices have a point size element. + Whether the vertex shader is expected to have a point size output. + Undefined behaviour is permitted if there is disagreement between + this flag and the actual bound shader. point_size The size of points, if not specified per-vertex. + + +Other Members +------------- + scissor Whether the scissor test is enabled. diff --git a/src/gallium/drivers/i915/i915_state.c b/src/gallium/drivers/i915/i915_state.c index f883883852..cd963e4df7 100644 --- a/src/gallium/drivers/i915/i915_state.c +++ b/src/gallium/drivers/i915/i915_state.c @@ -686,17 +686,23 @@ i915_create_rasterizer_state(struct pipe_context *pipe, else cso->sc[0] = _3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT; - switch (rasterizer->cull_mode) { - case PIPE_WINDING_NONE: + switch (rasterizer->cull_face) { + case PIPE_FACE_NONE: cso->LIS4 |= S4_CULLMODE_NONE; break; - case PIPE_WINDING_CW: - cso->LIS4 |= S4_CULLMODE_CW; + case PIPE_FACE_FRONT: + if (rasterizer->front_ccw) + cso->LIS4 |= S4_CULLMODE_CCW; + else + cso->LIS4 |= S4_CULLMODE_CW; break; - case PIPE_WINDING_CCW: - cso->LIS4 |= S4_CULLMODE_CCW; + case PIPE_FACE_BACK: + if (rasterizer->front_ccw) + cso->LIS4 |= S4_CULLMODE_CW; + else + cso->LIS4 |= S4_CULLMODE_CCW; break; - case PIPE_WINDING_BOTH: + case PIPE_FACE_FRONT_AND_BACK: cso->LIS4 |= S4_CULLMODE_BOTH; break; } diff --git a/src/gallium/drivers/i965/brw_pipe_rast.c b/src/gallium/drivers/i965/brw_pipe_rast.c index 2117e91a9e..4c1a6d7dcd 100644 --- a/src/gallium/drivers/i965/brw_pipe_rast.c +++ b/src/gallium/drivers/i965/brw_pipe_rast.c @@ -42,7 +42,7 @@ calculate_clip_key_rast( const struct brw_context *brw, key->do_flat_shading = templ->flatshade; - if (templ->cull_mode == PIPE_WINDING_BOTH) { + if (templ->cull_face == PIPE_FACE_FRONT_AND_BACK) { key->clip_mode = BRW_CLIPMODE_REJECT_ALL; return; } @@ -50,12 +50,18 @@ calculate_clip_key_rast( const struct brw_context *brw, key->fill_ccw = CLIP_CULL; key->fill_cw = CLIP_CULL; - if (!(templ->cull_mode & PIPE_WINDING_CCW)) { - key->fill_ccw = translate_fill(templ->fill_ccw); + if (!(templ->cull_face & PIPE_FACE_FRONT)) { + if (templ->front_ccw) + key->fill_ccw = translate_fill(templ->fill_front); + else + key->fill_cw = translate_fill(templ->fill_front); } - if (!(templ->cull_mode & PIPE_WINDING_CW)) { - key->fill_cw = translate_fill(templ->fill_cw); + if (!(templ->cull_face & PIPE_FACE_BACK)) { + if (templ->front_ccw) + key->fill_cw = translate_fill(templ->fill_back); + else + key->fill_ccw = translate_fill(templ->fill_back); } if (key->fill_cw == CLIP_LINE || @@ -66,8 +72,29 @@ calculate_clip_key_rast( const struct brw_context *brw, key->clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED; } - key->offset_ccw = templ->offset_ccw; - key->offset_cw = templ->offset_cw; + switch (key->fill_cw) { + case CLIP_POINT: + key->offset_cw = templ->offset_point; + break; + case CLIP_LINE: + key->offset_cw = templ->offset_line; + break; + case CLIP_FILL: + key->offset_cw = templ->offset_tri; + break; + } + + switch (key->fill_ccw) { + case CLIP_POINT: + key->offset_ccw = templ->offset_point; + break; + case CLIP_LINE: + key->offset_ccw = templ->offset_line; + break; + case CLIP_FILL: + key->offset_ccw = templ->offset_tri; + break; + } if (templ->light_twoside && key->fill_cw != CLIP_CULL) key->copy_bfc_cw = 1; @@ -111,12 +138,12 @@ static void *brw_create_rasterizer_state( struct pipe_context *pipe, /* Caclculate lookup value for WM IZ table. */ if (templ->line_smooth) { - if (templ->fill_cw == PIPE_POLYGON_MODE_LINE && - templ->fill_ccw == PIPE_POLYGON_MODE_LINE) { + if (templ->fill_front == PIPE_POLYGON_MODE_LINE && + templ->fill_back == PIPE_POLYGON_MODE_LINE) { rast->unfilled_aa_line = AA_ALWAYS; } - else if (templ->fill_cw == PIPE_POLYGON_MODE_LINE || - templ->fill_ccw == PIPE_POLYGON_MODE_LINE) { + else if (templ->fill_front == PIPE_POLYGON_MODE_LINE || + templ->fill_back == PIPE_POLYGON_MODE_LINE) { rast->unfilled_aa_line = AA_SOMETIMES; } else { diff --git a/src/gallium/drivers/i965/brw_sf.c b/src/gallium/drivers/i965/brw_sf.c index 9cceb4dbe5..5abf3848ab 100644 --- a/src/gallium/drivers/i965/brw_sf.c +++ b/src/gallium/drivers/i965/brw_sf.c @@ -166,8 +166,8 @@ static enum pipe_error upload_sf_prog(struct brw_context *brw) case PIPE_PRIM_TRIANGLES: /* PIPE_NEW_RAST */ - if (rast->fill_cw != PIPE_POLYGON_MODE_FILL || - rast->fill_ccw != PIPE_POLYGON_MODE_FILL) + if (rast->fill_front != PIPE_POLYGON_MODE_FILL || + rast->fill_back != PIPE_POLYGON_MODE_FILL) key.primitive = SF_UNFILLED_TRIS; else key.primitive = SF_TRIANGLES; @@ -187,7 +187,7 @@ static enum pipe_error upload_sf_prog(struct brw_context *brw) key.do_twoside_color = rast->light_twoside; if (key.do_twoside_color) { - key.frontface_ccw = (rast->front_winding == PIPE_WINDING_CCW); + key.frontface_ccw = rast->front_ccw; } if (brw_search_cache(&brw->cache, BRW_SF_PROG, diff --git a/src/gallium/drivers/i965/brw_sf_state.c b/src/gallium/drivers/i965/brw_sf_state.c index 0ad91e0307..6c299a86b4 100644 --- a/src/gallium/drivers/i965/brw_sf_state.c +++ b/src/gallium/drivers/i965/brw_sf_state.c @@ -89,8 +89,8 @@ struct brw_sf_unit_key { unsigned line_smooth:1; unsigned point_sprite:1; unsigned point_attenuated:1; - unsigned front_face:2; - unsigned cull_mode:2; + unsigned front_ccw:1; + unsigned cull_face:2; unsigned flatshade_first:1; unsigned gl_rasterization_rules:1; unsigned line_last_pixel_enable:1; @@ -115,8 +115,8 @@ sf_unit_populate_key(struct brw_context *brw, struct brw_sf_unit_key *key) /* PIPE_NEW_RAST */ key->scissor = rast->scissor; - key->front_face = rast->front_winding; - key->cull_mode = rast->cull_mode; + key->front_ccw = rast->front_ccw; + key->cull_face = rast->cull_face; key->line_smooth = rast->line_smooth; key->line_width = rast->line_width; key->flatshade_first = rast->flatshade_first; @@ -183,22 +183,22 @@ sf_unit_create_from_key(struct brw_context *brw, if (key->scissor) sf.sf6.scissor = 1; - if (key->front_face == PIPE_WINDING_CCW) + if (key->front_ccw) sf.sf5.front_winding = BRW_FRONTWINDING_CCW; else sf.sf5.front_winding = BRW_FRONTWINDING_CW; - switch (key->cull_mode) { - case PIPE_WINDING_CCW: - case PIPE_WINDING_CW: - sf.sf6.cull_mode = (key->front_face == key->cull_mode ? - BRW_CULLMODE_FRONT : - BRW_CULLMODE_BACK); + switch (key->cull_face) { + case PIPE_FACE_FRONT: + sf.sf6.cull_mode = BRW_CULLMODE_FRONT; break; - case PIPE_WINDING_BOTH: + case PIPE_FACE_BACK: + sf.sf6.cull_mode = BRW_CULLMODE_BACK; + break; + case PIPE_FACE_FRONT_AND_BACK: sf.sf6.cull_mode = BRW_CULLMODE_BOTH; break; - case PIPE_WINDING_NONE: + case PIPE_FACE_NONE: sf.sf6.cull_mode = BRW_CULLMODE_NONE; break; default: @@ -284,7 +284,7 @@ static enum pipe_error upload_sf_unit( struct brw_context *brw ) */ total_grf = (align(key.total_grf, 16) / 16 - 1); viewport_transform = 1; - front_winding = (key.front_face == PIPE_WINDING_CCW ? + front_winding = (key.front_ccw ? BRW_FRONTWINDING_CCW : BRW_FRONTWINDING_CW); diff --git a/src/gallium/drivers/i965/brw_wm_state.c b/src/gallium/drivers/i965/brw_wm_state.c index ee970ac75b..efc2d96be1 100644 --- a/src/gallium/drivers/i965/brw_wm_state.c +++ b/src/gallium/drivers/i965/brw_wm_state.c @@ -128,8 +128,9 @@ wm_unit_populate_key(struct brw_context *brw, struct brw_wm_unit_key *key) key->line_stipple = brw->curr.rast->templ.line_stipple_enable; - key->offset_enable = (brw->curr.rast->templ.offset_cw || - brw->curr.rast->templ.offset_ccw); + key->offset_enable = (brw->curr.rast->templ.offset_point || + brw->curr.rast->templ.offset_line || + brw->curr.rast->templ.offset_tri); key->offset_units = brw->curr.rast->templ.offset_units; key->offset_factor = brw->curr.rast->templ.offset_scale; diff --git a/src/gallium/drivers/llvmpipe/lp_setup_tri.c b/src/gallium/drivers/llvmpipe/lp_setup_tri.c index 53b91690b6..306cb6e27d 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_tri.c @@ -671,14 +671,14 @@ void lp_setup_choose_triangle( struct lp_setup_context *setup ) { switch (setup->cullmode) { - case PIPE_WINDING_NONE: + case PIPE_FACE_NONE: setup->triangle = triangle_both; break; - case PIPE_WINDING_CCW: - setup->triangle = triangle_cw; + case PIPE_FACE_BACK: + setup->triangle = setup->ccw_is_frontface ? triangle_ccw : triangle_cw; break; - case PIPE_WINDING_CW: - setup->triangle = triangle_ccw; + case PIPE_FACE_FRONT: + setup->triangle = setup->ccw_is_frontface ? triangle_cw : triangle_ccw; break; default: setup->triangle = triangle_nop; diff --git a/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c b/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c index 622eb47ff4..afd3e0b21c 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c +++ b/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c @@ -67,8 +67,8 @@ llvmpipe_bind_rasterizer_state(struct pipe_context *pipe, void *handle) */ if (llvmpipe->rasterizer) { lp_setup_set_triangle_state( llvmpipe->setup, - llvmpipe->rasterizer->cull_mode, - llvmpipe->rasterizer->front_winding == PIPE_WINDING_CCW, + llvmpipe->rasterizer->cull_face, + llvmpipe->rasterizer->front_ccw, llvmpipe->rasterizer->scissor, llvmpipe->rasterizer->gl_rasterization_rules); lp_setup_set_flatshade_first( llvmpipe->setup, diff --git a/src/gallium/drivers/nv50/nv50_state.c b/src/gallium/drivers/nv50/nv50_state.c index e885a2b719..b20781fa1f 100644 --- a/src/gallium/drivers/nv50/nv50_state.c +++ b/src/gallium/drivers/nv50/nv50_state.c @@ -345,7 +345,7 @@ nv50_rasterizer_state_create(struct pipe_context *pipe, CALLOC_STRUCT(nv50_rasterizer_stateobj); /*XXX: ignored - * - light_twosize + * - light_twoside * - point_smooth * - multisample * - point_sprite / sprite_coord_mode @@ -385,72 +385,44 @@ nv50_rasterizer_state_create(struct pipe_context *pipe, so_data (so, cso->point_quad_rasterization ? 1 : 0); so_method(so, tesla, NV50TCL_POLYGON_MODE_FRONT, 3); - if (cso->front_winding == PIPE_WINDING_CCW) { - so_data(so, nvgl_polygon_mode(cso->fill_ccw)); - so_data(so, nvgl_polygon_mode(cso->fill_cw)); - } else { - so_data(so, nvgl_polygon_mode(cso->fill_cw)); - so_data(so, nvgl_polygon_mode(cso->fill_ccw)); - } + so_data(so, nvgl_polygon_mode(cso->fill_front)); + so_data(so, nvgl_polygon_mode(cso->fill_back)); so_data(so, cso->poly_smooth ? 1 : 0); so_method(so, tesla, NV50TCL_CULL_FACE_ENABLE, 3); - so_data (so, cso->cull_mode != PIPE_WINDING_NONE); - if (cso->front_winding == PIPE_WINDING_CCW) { + so_data (so, cso->cull_face != PIPE_FACE_NONE); + if (cso->front_ccw) { so_data(so, NV50TCL_FRONT_FACE_CCW); - switch (cso->cull_mode) { - case PIPE_WINDING_CCW: - so_data(so, NV50TCL_CULL_FACE_FRONT); - break; - case PIPE_WINDING_CW: - so_data(so, NV50TCL_CULL_FACE_BACK); - break; - case PIPE_WINDING_BOTH: - so_data(so, NV50TCL_CULL_FACE_FRONT_AND_BACK); - break; - default: - so_data(so, NV50TCL_CULL_FACE_BACK); - break; - } - } else { + } + else { so_data(so, NV50TCL_FRONT_FACE_CW); - switch (cso->cull_mode) { - case PIPE_WINDING_CCW: - so_data(so, NV50TCL_CULL_FACE_BACK); - break; - case PIPE_WINDING_CW: - so_data(so, NV50TCL_CULL_FACE_FRONT); - break; - case PIPE_WINDING_BOTH: - so_data(so, NV50TCL_CULL_FACE_FRONT_AND_BACK); - break; - default: - so_data(so, NV50TCL_CULL_FACE_BACK); - break; - } + } + switch (cso->cull_face) { + case PIPE_FACE_FRONT: + so_data(so, NV50TCL_CULL_FACE_FRONT); + break; + case PIPE_FACE_BACK: + so_data(so, NV50TCL_CULL_FACE_BACK); + break; + case PIPE_FACE_FRONT_AND_BACK: + so_data(so, NV50TCL_CULL_FACE_FRONT_AND_BACK); + break; + default: + so_data(so, NV50TCL_CULL_FACE_BACK); + break; } so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_ENABLE, 1); so_data (so, cso->poly_stipple_enable ? 1 : 0); so_method(so, tesla, NV50TCL_POLYGON_OFFSET_POINT_ENABLE, 3); - if ((cso->offset_cw && cso->fill_cw == PIPE_POLYGON_MODE_POINT) || - (cso->offset_ccw && cso->fill_ccw == PIPE_POLYGON_MODE_POINT)) - so_data(so, 1); - else - so_data(so, 0); - if ((cso->offset_cw && cso->fill_cw == PIPE_POLYGON_MODE_LINE) || - (cso->offset_ccw && cso->fill_ccw == PIPE_POLYGON_MODE_LINE)) - so_data(so, 1); - else - so_data(so, 0); - if ((cso->offset_cw && cso->fill_cw == PIPE_POLYGON_MODE_FILL) || - (cso->offset_ccw && cso->fill_ccw == PIPE_POLYGON_MODE_FILL)) - so_data(so, 1); - else - so_data(so, 0); + so_data(so, cso->offset_point); + so_data(so, cso->offset_line); + so_data(so, cso->offset_tri); - if (cso->offset_cw || cso->offset_ccw) { + if (cso->offset_point || + cso->offset_line || + cso->offset_tri) { so_method(so, tesla, NV50TCL_POLYGON_OFFSET_FACTOR, 1); so_data (so, fui(cso->offset_scale)); so_method(so, tesla, NV50TCL_POLYGON_OFFSET_UNITS, 1); diff --git a/src/gallium/drivers/nvfx/nvfx_state.c b/src/gallium/drivers/nvfx/nvfx_state.c index 315de492da..17f3f70140 100644 --- a/src/gallium/drivers/nvfx/nvfx_state.c +++ b/src/gallium/drivers/nvfx/nvfx_state.c @@ -216,66 +216,39 @@ nvfx_rasterizer_state_create(struct pipe_context *pipe, sb_data(sb, fui(cso->point_size)); sb_method(sb, NV34TCL_POLYGON_MODE_FRONT, 6); - if (cso->front_winding == PIPE_WINDING_CCW) { - sb_data(sb, nvgl_polygon_mode(cso->fill_ccw)); - sb_data(sb, nvgl_polygon_mode(cso->fill_cw)); - switch (cso->cull_mode) { - case PIPE_WINDING_CCW: - sb_data(sb, NV34TCL_CULL_FACE_FRONT); - break; - case PIPE_WINDING_CW: - sb_data(sb, NV34TCL_CULL_FACE_BACK); - break; - case PIPE_WINDING_BOTH: - sb_data(sb, NV34TCL_CULL_FACE_FRONT_AND_BACK); - break; - default: - sb_data(sb, NV34TCL_CULL_FACE_BACK); - break; - } + sb_data(sb, nvgl_polygon_mode(cso->fill_front)); + sb_data(sb, nvgl_polygon_mode(cso->fill_back)); + switch (cso->cull_face) { + case PIPE_FACE_FRONT: + sb_data(sb, NV34TCL_CULL_FACE_FRONT); + break; + case PIPE_FACE_BACK: + sb_data(sb, NV34TCL_CULL_FACE_BACK); + break; + case PIPE_FACE_FRONT_AND_BACK: + sb_data(sb, NV34TCL_CULL_FACE_FRONT_AND_BACK); + break; + default: + sb_data(sb, NV34TCL_CULL_FACE_BACK); + break; + } + if (cso->front_ccw) { sb_data(sb, NV34TCL_FRONT_FACE_CCW); } else { - sb_data(sb, nvgl_polygon_mode(cso->fill_cw)); - sb_data(sb, nvgl_polygon_mode(cso->fill_ccw)); - switch (cso->cull_mode) { - case PIPE_WINDING_CCW: - sb_data(sb, NV34TCL_CULL_FACE_BACK); - break; - case PIPE_WINDING_CW: - sb_data(sb, NV34TCL_CULL_FACE_FRONT); - break; - case PIPE_WINDING_BOTH: - sb_data(sb, NV34TCL_CULL_FACE_FRONT_AND_BACK); - break; - default: - sb_data(sb, NV34TCL_CULL_FACE_BACK); - break; - } sb_data(sb, NV34TCL_FRONT_FACE_CW); } sb_data(sb, cso->poly_smooth ? 1 : 0); - sb_data(sb, (cso->cull_mode != PIPE_WINDING_NONE) ? 1 : 0); + sb_data(sb, (cso->cull_face != PIPE_FACE_NONE) ? 1 : 0); sb_method(sb, NV34TCL_POLYGON_STIPPLE_ENABLE, 1); sb_data(sb, cso->poly_stipple_enable ? 1 : 0); sb_method(sb, NV34TCL_POLYGON_OFFSET_POINT_ENABLE, 3); - if ((cso->offset_cw && cso->fill_cw == PIPE_POLYGON_MODE_POINT) || - (cso->offset_ccw && cso->fill_ccw == PIPE_POLYGON_MODE_POINT)) - sb_data(sb, 1); - else - sb_data(sb, 0); - if ((cso->offset_cw && cso->fill_cw == PIPE_POLYGON_MODE_LINE) || - (cso->offset_ccw && cso->fill_ccw == PIPE_POLYGON_MODE_LINE)) - sb_data(sb, 1); - else - sb_data(sb, 0); - if ((cso->offset_cw && cso->fill_cw == PIPE_POLYGON_MODE_FILL) || - (cso->offset_ccw && cso->fill_ccw == PIPE_POLYGON_MODE_FILL)) - sb_data(sb, 1); - else - sb_data(sb, 0); - if (cso->offset_cw || cso->offset_ccw) { + sb_data(sb, cso->offset_point); + sb_data(sb, cso->offset_line); + sb_data(sb, cso->offset_tri); + + if (cso->offset_point || cso->offset_line || cso->offset_tri) { sb_method(sb, NV34TCL_POLYGON_OFFSET_FACTOR, 2); sb_data(sb, fui(cso->offset_scale)); sb_data(sb, fui(cso->offset_units * 2)); diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index ac4e87abe0..11c10e2f2a 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -801,53 +801,37 @@ static void* r300_create_rs_state(struct pipe_context* pipe, R300_GA_LINE_CNTL_END_TYPE_COMP; /* Enable polygon mode */ - if (state->fill_cw != PIPE_POLYGON_MODE_FILL || - state->fill_ccw != PIPE_POLYGON_MODE_FILL) { + if (state->fill_front != PIPE_POLYGON_MODE_FILL || + state->fill_back != PIPE_POLYGON_MODE_FILL) { rs->polygon_mode = R300_GA_POLY_MODE_DUAL; } - /* Radeons don't think in "CW/CCW", they think in "front/back". */ - if (state->front_winding == PIPE_WINDING_CW) { - rs->cull_mode = R300_FRONT_FACE_CW; - - /* Polygon offset */ - if (state->offset_cw) { - rs->polygon_offset_enable |= R300_FRONT_ENABLE; - } - if (state->offset_ccw) { - rs->polygon_offset_enable |= R300_BACK_ENABLE; - } - - /* Polygon mode */ - if (rs->polygon_mode) { - rs->polygon_mode |= - r300_translate_polygon_mode_front(state->fill_cw); - rs->polygon_mode |= - r300_translate_polygon_mode_back(state->fill_ccw); - } - } else { + /* Front face */ + if (state->front_ccw) rs->cull_mode = R300_FRONT_FACE_CCW; + else + rs->cull_mode = R300_FRONT_FACE_CW; - /* Polygon offset */ - if (state->offset_ccw) { - rs->polygon_offset_enable |= R300_FRONT_ENABLE; - } - if (state->offset_cw) { - rs->polygon_offset_enable |= R300_BACK_ENABLE; - } + /* Polygon offset */ + if (util_get_offset(state, state->fill_front)) { + rs->polygon_offset_enable |= R300_FRONT_ENABLE; + } + if (util_get_offset(state, state->fill_back)) { + rs->polygon_offset_enable |= R300_BACK_ENABLE; + } - /* Polygon mode */ - if (rs->polygon_mode) { - rs->polygon_mode |= - r300_translate_polygon_mode_front(state->fill_ccw); - rs->polygon_mode |= - r300_translate_polygon_mode_back(state->fill_cw); - } + /* Polygon mode */ + if (rs->polygon_mode) { + rs->polygon_mode |= + r300_translate_polygon_mode_front(state->fill_front); + rs->polygon_mode |= + r300_translate_polygon_mode_back(state->fill_back); } - if (state->front_winding & state->cull_mode) { + + if (state->cull_face & PIPE_FACE_FRONT) { rs->cull_mode |= R300_CULL_FRONT; } - if (~(state->front_winding) & state->cull_mode) { + if (state->cull_face & PIPE_FACE_BACK) { rs->cull_mode |= R300_CULL_BACK; } @@ -914,7 +898,9 @@ static void r300_bind_rs_state(struct pipe_context* pipe, void* state) } if (rs) { - r300->polygon_offset_enabled = rs->rs.offset_cw || rs->rs.offset_ccw; + r300->polygon_offset_enabled = (rs->rs.offset_point || + rs->rs.offset_line || + rs->rs.offset_tri); r300->sprite_coord_enable = rs->rs.sprite_coord_enable; r300->two_sided_color = rs->rs.light_twoside; } else { diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h index aa69625768..b3d3fe620f 100644 --- a/src/gallium/drivers/softpipe/sp_context.h +++ b/src/gallium/drivers/softpipe/sp_context.h @@ -109,6 +109,9 @@ struct softpipe_context { /** The reduced version of the primitive supplied by the state tracker */ unsigned reduced_api_prim; + /** Derived information about which winding orders to cull */ + unsigned cull_mode; + /** * The reduced primitive after unfilled triangles, wide-line decomposition, * etc, are taken into account. This is the primitive type that's actually diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c index 35ef9e698d..5d727dc00d 100644 --- a/src/gallium/drivers/softpipe/sp_setup.c +++ b/src/gallium/drivers/softpipe/sp_setup.c @@ -111,34 +111,13 @@ struct setup_context { uint numFragsWritten; /**< per primitive */ #endif - unsigned winding; /* which winding to cull */ + unsigned cull_face; /* which faces cull */ unsigned nr_vertex_attrs; }; -/** - * Do triangle cull test using tri determinant (sign indicates orientation) - * \return true if triangle is to be culled. - */ -static INLINE boolean -cull_tri(const struct setup_context *setup, float det) -{ - if (det != 0) { - /* if (det < 0 then Z points toward camera and triangle is - * counter-clockwise winding. - */ - unsigned winding = (det < 0) ? PIPE_WINDING_CCW : PIPE_WINDING_CW; - - if ((winding & setup->winding) == 0) - return FALSE; - } - - /* Culled: - */ - return TRUE; -} @@ -393,8 +372,16 @@ setup_sort_vertices(struct setup_context *setup, * 0 = front-facing, 1 = back-facing */ setup->facing = - ((det > 0.0) ^ - (setup->softpipe->rasterizer->front_winding == PIPE_WINDING_CW)); + ((det < 0.0) ^ + (setup->softpipe->rasterizer->front_ccw)); + + { + unsigned face = setup->facing == 0 ? PIPE_FACE_FRONT : PIPE_FACE_BACK; + + if (face & setup->cull_face) + return FALSE; + } + /* Prepare pixel offset for rasterisation: * - pixel center (0.5, 0.5) for GL, or @@ -832,11 +819,9 @@ sp_setup_tri(struct setup_context *setup, setup->numFragsWritten = 0; #endif - if (cull_tri( setup, det )) - return; - if (!setup_sort_vertices( setup, det, v0, v1, v2 )) return; + setup_tri_coefficients( setup ); setup_tri_edges( setup ); @@ -1420,14 +1405,14 @@ sp_setup_prepare(struct setup_context *setup) sp->quad.first->begin( sp->quad.first ); if (sp->reduced_api_prim == PIPE_PRIM_TRIANGLES && - sp->rasterizer->fill_cw == PIPE_POLYGON_MODE_FILL && - sp->rasterizer->fill_ccw == PIPE_POLYGON_MODE_FILL) { + sp->rasterizer->fill_front == PIPE_POLYGON_MODE_FILL && + sp->rasterizer->fill_back == PIPE_POLYGON_MODE_FILL) { /* we'll do culling */ - setup->winding = sp->rasterizer->cull_mode; + setup->cull_face = sp->rasterizer->cull_face; } else { /* 'draw' will do culling */ - setup->winding = PIPE_WINDING_NONE; + setup->cull_face = PIPE_FACE_NONE; } } diff --git a/src/gallium/drivers/svga/svga_pipe_rasterizer.c b/src/gallium/drivers/svga/svga_pipe_rasterizer.c index 5253c45cb2..660eb0757a 100644 --- a/src/gallium/drivers/svga/svga_pipe_rasterizer.c +++ b/src/gallium/drivers/svga/svga_pipe_rasterizer.c @@ -36,16 +36,17 @@ /* Hardware frontwinding is always set up as SVGA3D_FRONTWINDING_CW. */ static SVGA3dFace svga_translate_cullmode( unsigned mode, - unsigned front_winding ) + unsigned front_ccw ) { + const int hw_front_ccw = 0; /* hardware is always CW */ switch (mode) { - case PIPE_WINDING_NONE: + case PIPE_FACE_NONE: return SVGA3D_FACE_NONE; - case PIPE_WINDING_CCW: - return SVGA3D_FACE_BACK; - case PIPE_WINDING_CW: - return SVGA3D_FACE_FRONT; - case PIPE_WINDING_BOTH: + case PIPE_FACE_FRONT: + return front_ccw == hw_front_ccw ? SVGA3D_FACE_FRONT : SVGA3D_FACE_BACK; + case PIPE_FACE_BACK: + return front_ccw == hw_front_ccw ? SVGA3D_FACE_BACK : SVGA3D_FACE_FRONT; + case PIPE_FACE_FRONT_AND_BACK: return SVGA3D_FACE_FRONT_BACK; default: assert(0); @@ -81,8 +82,8 @@ svga_create_rasterizer_state(struct pipe_context *pipe, /* fill_cw, fill_ccw - draw module or index translation */ rast->shademode = svga_translate_flatshade( templ->flatshade ); - rast->cullmode = svga_translate_cullmode( templ->cull_mode, - templ->front_winding ); + rast->cullmode = svga_translate_cullmode( templ->cull_face, + templ->front_ccw ); rast->scissortestenable = templ->scissor; rast->multisampleantialias = templ->multisample; rast->antialiasedlineenable = templ->line_smooth; @@ -117,31 +118,31 @@ svga_create_rasterizer_state(struct pipe_context *pipe, rast->need_pipeline |= SVGA_PIPELINE_FLAG_POINTS; { - boolean offset_cw = templ->offset_cw; - boolean offset_ccw = templ->offset_ccw; - boolean offset = 0; - int fill_cw = templ->fill_cw; - int fill_ccw = templ->fill_ccw; + int fill_front = templ->fill_front; + int fill_back = templ->fill_back; int fill = PIPE_POLYGON_MODE_FILL; + boolean offset_front = util_get_offset(templ, fill_front); + boolean offset_back = util_get_offset(templ, fill_back); + boolean offset = 0; - switch (templ->cull_mode) { - case PIPE_WINDING_BOTH: + switch (templ->cull_face) { + case PIPE_FACE_FRONT_AND_BACK: offset = 0; fill = PIPE_POLYGON_MODE_FILL; break; - case PIPE_WINDING_CW: - offset = offset_ccw; - fill = fill_ccw; + case PIPE_FACE_FRONT: + offset = offset_front; + fill = fill_front; break; - case PIPE_WINDING_CCW: - offset = offset_cw; - fill = fill_cw; + case PIPE_FACE_BACK: + offset = offset_back; + fill = fill_back; break; - case PIPE_WINDING_NONE: - if (fill_cw != fill_ccw || offset_cw != offset_ccw) + case PIPE_FACE_NONE: + if (fill_front != fill_back || offset_front != offset_back) { /* Always need the draw module to work out different * front/back fill modes: @@ -149,8 +150,8 @@ svga_create_rasterizer_state(struct pipe_context *pipe, rast->need_pipeline |= SVGA_PIPELINE_FLAG_TRIS; } else { - offset = offset_ccw; - fill = fill_ccw; + offset = offset_front; + fill = fill_front; } break; @@ -167,7 +168,7 @@ svga_create_rasterizer_state(struct pipe_context *pipe, (templ->flatshade || templ->light_twoside || offset || - templ->cull_mode != PIPE_WINDING_NONE)) + templ->cull_face != PIPE_FACE_NONE)) { fill = PIPE_POLYGON_MODE_FILL; rast->need_pipeline |= SVGA_PIPELINE_FLAG_TRIS; diff --git a/src/gallium/drivers/svga/svga_state_fs.c b/src/gallium/drivers/svga/svga_state_fs.c index 1310fd9825..ad6f294713 100644 --- a/src/gallium/drivers/svga/svga_state_fs.c +++ b/src/gallium/drivers/svga/svga_state_fs.c @@ -131,8 +131,7 @@ static int make_fs_key( const struct svga_context *svga, /* SVGA_NEW_RAST */ key->light_twoside = svga->curr.rast->templ.light_twoside; - key->front_cw = (svga->curr.rast->templ.front_winding == - PIPE_WINDING_CW); + key->front_ccw = svga->curr.rast->templ.front_ccw; } /* The blend workaround for simulating logicop xor behaviour diff --git a/src/gallium/drivers/svga/svga_state_rss.c b/src/gallium/drivers/svga/svga_state_rss.c index b7195d246b..ab13f3fdf1 100644 --- a/src/gallium/drivers/svga/svga_state_rss.c +++ b/src/gallium/drivers/svga/svga_state_rss.c @@ -146,13 +146,13 @@ static int emit_rss( struct svga_context *svga, * then our definition of front face agrees with hardware. * Otherwise need to flip. */ - if (rast->templ.front_winding == PIPE_WINDING_CW) { - cw = 0; - ccw = 1; + if (rast->templ.front_ccw) { + ccw = 0; + cw = 1; } else { - cw = 1; - ccw = 0; + ccw = 1; + cw = 0; } /* Twoside stencil diff --git a/src/gallium/drivers/svga/svga_tgsi.h b/src/gallium/drivers/svga/svga_tgsi.h index 063c9cf422..7ea909c37b 100644 --- a/src/gallium/drivers/svga/svga_tgsi.h +++ b/src/gallium/drivers/svga/svga_tgsi.h @@ -48,7 +48,7 @@ struct svga_vs_compile_key struct svga_fs_compile_key { unsigned light_twoside:1; - unsigned front_cw:1; + unsigned front_ccw:1; unsigned white_fragments:1; unsigned num_textures:8; unsigned num_unnormalized_coords:8; diff --git a/src/gallium/drivers/svga/svga_tgsi_insn.c b/src/gallium/drivers/svga/svga_tgsi_insn.c index 7d7024c4a7..67e1f22a70 100644 --- a/src/gallium/drivers/svga/svga_tgsi_insn.c +++ b/src/gallium/drivers/svga/svga_tgsi_insn.c @@ -2588,10 +2588,10 @@ static boolean emit_light_twoside( struct svga_shader_emitter *emit ) if_token = inst_token( SVGA3DOP_IFC ); - if (emit->key.fkey.front_cw) - if_token.control = SVGA3DOPCOMP_GT; - else + if (emit->key.fkey.front_ccw) if_token.control = SVGA3DOPCOMP_LT; + else + if_token.control = SVGA3DOPCOMP_GT; zero = scalar(zero, TGSI_SWIZZLE_X); @@ -2639,12 +2639,12 @@ static boolean emit_frontface( struct svga_shader_emitter *emit ) temp = dst_register( SVGA3DREG_TEMP, emit->nr_hw_temp++ ); - if (emit->key.fkey.front_cw) { - pass = scalar( zero, TGSI_SWIZZLE_W ); - fail = scalar( zero, TGSI_SWIZZLE_X ); - } else { + if (emit->key.fkey.front_ccw) { pass = scalar( zero, TGSI_SWIZZLE_X ); fail = scalar( zero, TGSI_SWIZZLE_W ); + } else { + pass = scalar( zero, TGSI_SWIZZLE_W ); + fail = scalar( zero, TGSI_SWIZZLE_X ); } if (!emit_conditional(emit, PIPE_FUNC_GREATER, diff --git a/src/gallium/drivers/trace/tr_dump_state.c b/src/gallium/drivers/trace/tr_dump_state.c index f148a859ff..1727c2a020 100644 --- a/src/gallium/drivers/trace/tr_dump_state.c +++ b/src/gallium/drivers/trace/tr_dump_state.c @@ -136,12 +136,13 @@ void trace_dump_rasterizer_state(const struct pipe_rasterizer_state *state) trace_dump_member(bool, state, flatshade); trace_dump_member(bool, state, light_twoside); - trace_dump_member(uint, state, front_winding); - trace_dump_member(uint, state, cull_mode); - trace_dump_member(uint, state, fill_cw); - trace_dump_member(uint, state, fill_ccw); - trace_dump_member(bool, state, offset_cw); - trace_dump_member(bool, state, offset_ccw); + trace_dump_member(uint, state, front_ccw); + trace_dump_member(uint, state, cull_face); + trace_dump_member(uint, state, fill_front); + trace_dump_member(uint, state, fill_back); + trace_dump_member(bool, state, offset_point); + trace_dump_member(bool, state, offset_line); + trace_dump_member(bool, state, offset_tri); trace_dump_member(bool, state, scissor); trace_dump_member(bool, state, poly_smooth); trace_dump_member(bool, state, poly_stipple_enable); diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index 29c55ff094..8201c29ac7 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -119,11 +119,11 @@ enum pipe_error { #define PIPE_POLYGON_MODE_LINE 1 #define PIPE_POLYGON_MODE_POINT 2 -/** Polygon front/back window, also for culling */ -#define PIPE_WINDING_NONE 0 -#define PIPE_WINDING_CW 1 -#define PIPE_WINDING_CCW 2 -#define PIPE_WINDING_BOTH (PIPE_WINDING_CW | PIPE_WINDING_CCW) +/** Polygon face specification, eg for culling */ +#define PIPE_FACE_NONE 0 +#define PIPE_FACE_FRONT 1 +#define PIPE_FACE_BACK 2 +#define PIPE_FACE_FRONT_AND_BACK (PIPE_FACE_FRONT | PIPE_FACE_BACK) /** Stencil ops */ #define PIPE_STENCIL_OP_KEEP 0 diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h index a504757c47..a01698d767 100644 --- a/src/gallium/include/pipe/p_state.h +++ b/src/gallium/include/pipe/p_state.h @@ -79,12 +79,13 @@ struct pipe_rasterizer_state { unsigned flatshade:1; unsigned light_twoside:1; - unsigned front_winding:2; /**< PIPE_WINDING_x */ - unsigned cull_mode:2; /**< PIPE_WINDING_x */ - unsigned fill_cw:2; /**< PIPE_POLYGON_MODE_x */ - unsigned fill_ccw:2; /**< PIPE_POLYGON_MODE_x */ - unsigned offset_cw:1; - unsigned offset_ccw:1; + unsigned front_ccw:1; + unsigned cull_face:2; /**< PIPE_FACE_x */ + unsigned fill_front:2; /**< PIPE_POLYGON_MODE_x */ + unsigned fill_back:2; /**< PIPE_POLYGON_MODE_x */ + unsigned offset_point:1; + unsigned offset_line:1; + unsigned offset_tri:1; unsigned scissor:1; unsigned poly_smooth:1; unsigned poly_stipple_enable:1; diff --git a/src/gallium/state_trackers/vega/polygon.c b/src/gallium/state_trackers/vega/polygon.c index d2b7e48912..e9c8f03137 100644 --- a/src/gallium/state_trackers/vega/polygon.c +++ b/src/gallium/state_trackers/vega/polygon.c @@ -379,7 +379,7 @@ void polygon_fill(struct polygon *poly, struct vg_context *ctx) dsa.stencil[0].func = PIPE_FUNC_ALWAYS; dsa.stencil[0].valuemask = ~0; - raster.cull_mode = raster.front_winding ^ PIPE_WINDING_BOTH; + raster.cull_face = PIPE_FACE_BACK; dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_INCR_WRAP; @@ -389,7 +389,7 @@ void polygon_fill(struct polygon *poly, struct vg_context *ctx) cso_set_rasterizer(ctx->cso_context, &raster); draw_polygon(ctx, poly); - raster.cull_mode = raster.front_winding; + raster.cull_face = PIPE_FACE_FRONT; dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_DECR_WRAP; @@ -501,7 +501,7 @@ void polygon_array_fill(struct polygon_array *polyarray, struct vg_context *ctx) dsa.stencil[0].func = PIPE_FUNC_ALWAYS; dsa.stencil[0].valuemask = ~0; - raster.cull_mode = raster.front_winding ^ PIPE_WINDING_BOTH; + raster.cull_face = PIPE_FACE_BACK; dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_INCR_WRAP; @@ -514,7 +514,7 @@ void polygon_array_fill(struct polygon_array *polyarray, struct vg_context *ctx) draw_polygon(ctx, poly); } - raster.cull_mode = raster.front_winding; + raster.cull_face = PIPE_FACE_FRONT; dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_DECR_WRAP; diff --git a/src/mesa/state_tracker/st_atom_rasterizer.c b/src/mesa/state_tracker/st_atom_rasterizer.c index 5669b1f82a..2599bd5ca0 100644 --- a/src/mesa/state_tracker/st_atom_rasterizer.c +++ b/src/mesa/state_tracker/st_atom_rasterizer.c @@ -53,21 +53,6 @@ static GLuint translate_fill( GLenum mode ) } } -static GLboolean get_offset_flag( GLuint fill_mode, - const struct gl_polygon_attrib *p ) -{ - switch (fill_mode) { - case PIPE_POLYGON_MODE_POINT: - return p->OffsetPoint; - case PIPE_POLYGON_MODE_LINE: - return p->OffsetLine; - case PIPE_POLYGON_MODE_FILL: - return p->OffsetFill; - default: - assert(0); - return 0; - } -} static void update_raster_state( struct st_context *st ) @@ -82,10 +67,7 @@ static void update_raster_state( struct st_context *st ) /* _NEW_POLYGON, _NEW_BUFFERS */ { - if (ctx->Polygon.FrontFace == GL_CCW) - raster->front_winding = PIPE_WINDING_CCW; - else - raster->front_winding = PIPE_WINDING_CW; + raster->front_ccw = (ctx->Polygon.FrontFace == GL_CCW); /* XXX * I think the intention here is that user-created framebuffer objects @@ -94,7 +76,7 @@ static void update_raster_state( struct st_context *st ) * But this is an implementation/driver-specific artifact - remove... */ if (ctx->DrawBuffer && ctx->DrawBuffer->Name != 0) - raster->front_winding ^= PIPE_WINDING_BOTH; + raster->front_ccw ^= 1; } /* _NEW_LIGHT @@ -131,40 +113,36 @@ static void update_raster_state( struct st_context *st ) /* _NEW_POLYGON */ if (ctx->Polygon.CullFlag) { - if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) { - raster->cull_mode = PIPE_WINDING_BOTH; - } - else if (ctx->Polygon.CullFaceMode == GL_FRONT) { - raster->cull_mode = raster->front_winding; - } - else { - raster->cull_mode = raster->front_winding ^ PIPE_WINDING_BOTH; + switch (ctx->Polygon.CullFaceMode) { + case GL_FRONT: + raster->cull_face = PIPE_FACE_FRONT; + break; + case GL_BACK: + raster->cull_face = PIPE_FACE_BACK; + break; + case GL_FRONT_AND_BACK: + raster->cull_face = PIPE_FACE_FRONT_AND_BACK; + break; } } + else { + raster->cull_face = PIPE_FACE_NONE; + } /* _NEW_POLYGON */ { - GLuint fill_front = translate_fill( ctx->Polygon.FrontMode ); - GLuint fill_back = translate_fill( ctx->Polygon.BackMode ); - - if (raster->front_winding == PIPE_WINDING_CW) { - raster->fill_cw = fill_front; - raster->fill_ccw = fill_back; - } - else { - raster->fill_cw = fill_back; - raster->fill_ccw = fill_front; - } + raster->fill_front = translate_fill( ctx->Polygon.FrontMode ); + raster->fill_back = translate_fill( ctx->Polygon.BackMode ); /* Simplify when culling is active: */ - if (raster->cull_mode & PIPE_WINDING_CW) { - raster->fill_cw = raster->fill_ccw; + if (raster->cull_face & PIPE_FACE_FRONT) { + raster->fill_front = raster->fill_back; } - if (raster->cull_mode & PIPE_WINDING_CCW) { - raster->fill_ccw = raster->fill_cw; + if (raster->cull_face & PIPE_FACE_BACK) { + raster->fill_back = raster->fill_front; } } @@ -172,8 +150,14 @@ static void update_raster_state( struct st_context *st ) */ if (ctx->Polygon.OffsetUnits != 0.0 || ctx->Polygon.OffsetFactor != 0.0) { - raster->offset_cw = get_offset_flag( raster->fill_cw, &ctx->Polygon ); - raster->offset_ccw = get_offset_flag( raster->fill_ccw, &ctx->Polygon ); + raster->offset_point = ctx->Polygon.OffsetPoint; + raster->offset_line = ctx->Polygon.OffsetLine; + raster->offset_tri = ctx->Polygon.OffsetFill; + } + + if (ctx->Polygon.OffsetPoint || + ctx->Polygon.OffsetLine || + ctx->Polygon.OffsetFill) { raster->offset_units = ctx->Polygon.OffsetUnits; raster->offset_scale = ctx->Polygon.OffsetFactor; } |