mesa: replace ctx->Polygon._FrontBit with a helper function
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
parent
c19b08b079
commit
e7a091936f
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@ -39,6 +39,7 @@
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#include "main/state.h"
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#include "main/dd.h"
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#include "main/fbobject.h"
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#include "main/state.h"
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#include "swrast/swrast.h"
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#include "swrast_setup/swrast_setup.h"
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@ -181,7 +181,7 @@ brw_upload_clip_prog(struct brw_context *brw)
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key.offset_clamp = ctx->Polygon.OffsetClamp * ctx->DrawBuffer->_MRD;
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}
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if (!ctx->Polygon._FrontBit) {
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if (!brw->polygon_front_bit) {
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key.fill_ccw = fill_front;
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key.fill_cw = fill_back;
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key.offset_ccw = offset_front;
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@ -44,6 +44,7 @@
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#include "main/texobj.h"
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#include "main/framebuffer.h"
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#include "main/stencil.h"
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#include "main/state.h"
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#include "vbo/vbo_context.h"
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@ -209,6 +210,9 @@ intel_update_state(struct gl_context * ctx)
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_mesa_stencil_is_write_enabled(ctx, brw->stencil_two_sided);
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}
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if (new_state & _NEW_POLYGON)
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brw->polygon_front_bit = _mesa_polygon_get_front_bit(ctx);
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intel_prepare_render(brw);
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/* Resolve the depth buffer's HiZ buffer. */
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@ -778,6 +778,8 @@ struct brw_context
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bool stencil_enabled;
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bool stencil_two_sided;
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bool stencil_write_enabled;
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/** Derived polygon state. */
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bool polygon_front_bit; /**< 0=GL_CCW, 1=GL_CW */
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struct isl_device isl_dev;
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@ -161,7 +161,7 @@ brw_upload_sf_prog(struct brw_context *brw)
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* face orientation, just as we invert the viewport in
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* sf_unit_create_from_key().
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*/
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key.frontface_ccw = ctx->Polygon._FrontBit == render_to_fbo;
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key.frontface_ccw = brw->polygon_front_bit == render_to_fbo;
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}
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if (!brw_search_cache(&brw->cache, BRW_CACHE_SF_PROG,
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@ -0,0 +1,200 @@
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/*
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Copyright (C) Intel Corp. 2006. All Rights Reserved.
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Intel funded Tungsten Graphics to
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develop this 3D driver.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice (including the
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next paragraph) shall be included in all copies or substantial
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portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**********************************************************************/
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/*
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* Authors:
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* Keith Whitwell <keithw@vmware.com>
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*/
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#include "main/mtypes.h"
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#include "main/macros.h"
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#include "main/fbobject.h"
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#include "main/viewport.h"
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#include "intel_batchbuffer.h"
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#include "brw_context.h"
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#include "brw_state.h"
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#include "brw_defines.h"
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#include "brw_util.h"
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static void upload_sf_unit( struct brw_context *brw )
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{
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struct gl_context *ctx = &brw->ctx;
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struct brw_sf_unit_state *sf;
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int chipset_max_threads;
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bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
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sf = brw_state_batch(brw, sizeof(*sf), 64, &brw->sf.state_offset);
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memset(sf, 0, sizeof(*sf));
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/* BRW_NEW_PROGRAM_CACHE | BRW_NEW_SF_PROG_DATA */
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sf->thread0.grf_reg_count = ALIGN(brw->sf.prog_data->total_grf, 16) / 16 - 1;
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sf->thread0.kernel_start_pointer =
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brw_program_reloc(brw,
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brw->sf.state_offset +
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offsetof(struct brw_sf_unit_state, thread0),
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brw->sf.prog_offset +
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(sf->thread0.grf_reg_count << 1)) >> 6;
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sf->thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
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sf->thread3.dispatch_grf_start_reg = 3;
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sf->thread3.urb_entry_read_offset = BRW_SF_URB_ENTRY_READ_OFFSET;
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/* BRW_NEW_SF_PROG_DATA */
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sf->thread3.urb_entry_read_length = brw->sf.prog_data->urb_read_length;
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/* BRW_NEW_URB_FENCE */
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sf->thread4.nr_urb_entries = brw->urb.nr_sf_entries;
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sf->thread4.urb_entry_allocation_size = brw->urb.sfsize - 1;
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/* Each SF thread produces 1 PUE, and there can be up to 24 (Pre-Ironlake) or
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* 48 (Ironlake) threads.
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*/
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if (brw->gen == 5)
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chipset_max_threads = 48;
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else
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chipset_max_threads = 24;
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/* BRW_NEW_URB_FENCE */
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sf->thread4.max_threads = MIN2(chipset_max_threads,
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brw->urb.nr_sf_entries) - 1;
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/* BRW_NEW_SF_VP */
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sf->sf5.sf_viewport_state_offset = (brw->batch.bo->offset64 +
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brw->sf.vp_offset) >> 5; /* reloc */
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sf->sf5.viewport_transform = 1;
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sf->sf6.scissor = 1;
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/* _NEW_POLYGON */
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if (brw->polygon_front_bit)
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sf->sf5.front_winding = BRW_FRONTWINDING_CW;
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else
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sf->sf5.front_winding = BRW_FRONTWINDING_CCW;
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/* _NEW_BUFFERS
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* The viewport is inverted for rendering to a FBO, and that inverts
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* polygon front/back orientation.
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*/
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sf->sf5.front_winding ^= render_to_fbo;
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/* _NEW_POLYGON */
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switch (ctx->Polygon.CullFlag ? ctx->Polygon.CullFaceMode : GL_NONE) {
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case GL_FRONT:
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sf->sf6.cull_mode = BRW_CULLMODE_FRONT;
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break;
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case GL_BACK:
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sf->sf6.cull_mode = BRW_CULLMODE_BACK;
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break;
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case GL_FRONT_AND_BACK:
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sf->sf6.cull_mode = BRW_CULLMODE_BOTH;
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break;
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case GL_NONE:
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sf->sf6.cull_mode = BRW_CULLMODE_NONE;
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break;
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default:
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unreachable("not reached");
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}
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/* _NEW_LINE */
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sf->sf6.line_width = U_FIXED(brw_get_line_width(brw), 1);
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if (ctx->Line.SmoothFlag) {
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sf->sf6.aa_enable = 1;
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sf->sf6.line_endcap_aa_region_width = 1;
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}
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sf->sf6.point_rast_rule = BRW_RASTRULE_UPPER_RIGHT;
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/* _NEW_POINT */
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sf->sf7.sprite_point = ctx->Point.PointSprite;
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float point_sz;
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point_sz = CLAMP(ctx->Point.Size, ctx->Point.MinSize, ctx->Point.MaxSize);
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point_sz = CLAMP(point_sz, 0.125f, 255.875f);
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sf->sf7.point_size = U_FIXED(point_sz, 3);
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/* _NEW_PROGRAM | _NEW_POINT, BRW_NEW_VUE_MAP_GEOM_OUT */
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sf->sf7.use_point_size_state = use_state_point_size(brw);
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sf->sf7.aa_line_distance_mode = brw->is_g4x || brw->gen == 5;
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/* might be BRW_NEW_PRIMITIVE if we have to adjust pv for polygons:
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* _NEW_LIGHT
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*/
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if (ctx->Light.ProvokingVertex != GL_FIRST_VERTEX_CONVENTION) {
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sf->sf7.trifan_pv = 2;
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sf->sf7.linestrip_pv = 1;
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sf->sf7.tristrip_pv = 2;
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} else {
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sf->sf7.trifan_pv = 1;
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sf->sf7.linestrip_pv = 0;
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sf->sf7.tristrip_pv = 0;
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}
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sf->sf7.line_last_pixel_enable = 0;
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/* Set bias for OpenGL rasterization rules:
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*/
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sf->sf6.dest_org_vbias = 0x8;
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sf->sf6.dest_org_hbias = 0x8;
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/* STATE_PREFETCH command description describes this state as being
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* something loaded through the GPE (L2 ISC), so it's INSTRUCTION domain.
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*/
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/* Emit SF viewport relocation */
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brw_emit_reloc(&brw->batch,
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brw->sf.state_offset +
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offsetof(struct brw_sf_unit_state, sf5),
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brw->batch.bo,
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brw->sf.vp_offset | sf->sf5.front_winding |
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(sf->sf5.viewport_transform << 1),
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I915_GEM_DOMAIN_INSTRUCTION, 0);
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brw->ctx.NewDriverState |= BRW_NEW_GEN4_UNIT_STATE;
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}
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const struct brw_tracked_state brw_sf_unit = {
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.dirty = {
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.mesa = _NEW_BUFFERS |
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_NEW_LIGHT |
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_NEW_LINE |
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_NEW_POINT |
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_NEW_POLYGON |
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_NEW_PROGRAM,
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.brw = BRW_NEW_BATCH |
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BRW_NEW_BLORP |
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BRW_NEW_PROGRAM_CACHE |
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BRW_NEW_SF_PROG_DATA |
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BRW_NEW_SF_VP |
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BRW_NEW_VUE_MAP_GEOM_OUT |
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BRW_NEW_URB_FENCE,
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},
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.emit = upload_sf_unit,
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};
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@ -1274,7 +1274,7 @@ genX(upload_clip_state)(struct brw_context *brw)
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#endif
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#if GEN_GEN == 7
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clip.FrontWinding = ctx->Polygon._FrontBit == _mesa_is_user_fbo(fb);
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clip.FrontWinding = brw->polygon_front_bit == _mesa_is_user_fbo(fb);
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if (ctx->Polygon.CullFlag) {
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switch (ctx->Polygon.CullFaceMode) {
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@ -1441,7 +1441,7 @@ genX(upload_sf)(struct brw_context *brw)
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#if GEN_GEN <= 7
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/* _NEW_POLYGON */
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sf.FrontWinding = ctx->Polygon._FrontBit == render_to_fbo;
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sf.FrontWinding = brw->polygon_front_bit == render_to_fbo;
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#if GEN_GEN >= 6
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sf.GlobalDepthOffsetEnableSolid = ctx->Polygon.OffsetFill;
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sf.GlobalDepthOffsetEnableWireframe = ctx->Polygon.OffsetLine;
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@ -3879,7 +3879,7 @@ genX(upload_raster)(struct brw_context *brw)
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struct gl_point_attrib *point = &ctx->Point;
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brw_batch_emit(brw, GENX(3DSTATE_RASTER), raster) {
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if (polygon->_FrontBit == render_to_fbo)
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if (brw->polygon_front_bit == render_to_fbo)
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raster.FrontWinding = CounterClockwise;
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if (polygon->CullFlag) {
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@ -38,6 +38,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "main/image.h"
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#include "main/imports.h"
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#include "main/macros.h"
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#include "main/state.h"
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#include "swrast/s_context.h"
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#include "swrast/s_fog.h"
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@ -37,6 +37,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "main/enums.h"
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#include "main/imports.h"
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#include "main/macros.h"
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#include "main/state.h"
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#include "math/m_xform.h"
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@ -803,7 +803,6 @@ struct gl_polygon_attrib
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GLenum FrontFace; /**< Either GL_CW or GL_CCW */
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GLenum FrontMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
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GLenum BackMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
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GLboolean _FrontBit; /**< 0=GL_CCW, 1=GL_CW */
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GLboolean CullFlag; /**< Culling on/off flag */
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GLboolean SmoothFlag; /**< True if GL_POLYGON_SMOOTH is enabled */
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GLboolean StippleFlag; /**< True if GL_POLYGON_STIPPLE is enabled */
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@ -318,7 +318,6 @@ void _mesa_init_polygon( struct gl_context * ctx )
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ctx->Polygon.CullFlag = GL_FALSE;
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ctx->Polygon.CullFaceMode = GL_BACK;
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ctx->Polygon.FrontFace = GL_CCW;
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ctx->Polygon._FrontBit = 0;
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ctx->Polygon.FrontMode = GL_FILL;
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ctx->Polygon.BackMode = GL_FILL;
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ctx->Polygon.SmoothFlag = GL_FALSE;
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@ -274,21 +274,6 @@ update_program_constants(struct gl_context *ctx)
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}
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/**
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* Update the ctx->Polygon._FrontBit flag.
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*/
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static void
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update_frontbit(struct gl_context *ctx)
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{
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if (ctx->Transform.ClipOrigin == GL_LOWER_LEFT)
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ctx->Polygon._FrontBit = (ctx->Polygon.FrontFace == GL_CW);
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else
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ctx->Polygon._FrontBit = (ctx->Polygon.FrontFace == GL_CCW);
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}
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/**
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* Compute derived GL state.
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* If __struct gl_contextRec::NewState is non-zero then this function \b must
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@ -348,9 +333,6 @@ _mesa_update_state_locked( struct gl_context *ctx )
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if (new_state & (_NEW_TEXTURE_OBJECT | _NEW_TEXTURE_STATE | _NEW_PROGRAM))
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_mesa_update_texture_state(ctx);
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if (new_state & _NEW_POLYGON)
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update_frontbit( ctx );
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if (new_state & _NEW_BUFFERS)
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_mesa_update_framebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer);
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@ -83,4 +83,14 @@ _mesa_vertex_program_two_side_enabled(const struct gl_context *ctx)
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return ctx->Light.Enabled && ctx->Light.Model.TwoSide;
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}
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/** Return 0=GL_CCW or 1=GL_CW */
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static inline bool
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_mesa_polygon_get_front_bit(const struct gl_context *ctx)
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{
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if (ctx->Transform.ClipOrigin == GL_LOWER_LEFT)
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return ctx->Polygon.FrontFace == GL_CW;
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return ctx->Polygon.FrontFace == GL_CCW;
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}
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#endif
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@ -30,6 +30,7 @@
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#include "main/macros.h"
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#include "main/mtypes.h"
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#include "main/stencil.h"
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#include "main/state.h"
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#include "tnl/t_context.h"
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@ -58,7 +58,7 @@ static void TAG(triangle)(struct gl_context *ctx, GLuint e0, GLuint e1, GLuint e
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if (IND & (SS_TWOSIDE_BIT | SS_UNFILLED_BIT))
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{
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facing = (cc < 0.0F) ^ ctx->Polygon._FrontBit;
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facing = (cc < 0.0F) ^ _mesa_polygon_get_front_bit(ctx);
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if (IND & SS_UNFILLED_BIT)
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mode = facing ? ctx->Polygon.BackMode : ctx->Polygon.FrontMode;
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@ -137,7 +137,7 @@ static void TAG(triangle)( struct gl_context *ctx, GLuint e0, GLuint e1, GLuint
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if (DO_TWOSIDE || DO_UNFILLED || DO_TWOSTENCIL)
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{
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facing = AREA_IS_CCW( cc ) ^ ctx->Polygon._FrontBit;
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facing = AREA_IS_CCW( cc ) ^ _mesa_polygon_get_front_bit(ctx);
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if (DO_UNFILLED) {
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if (facing) {
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@ -362,7 +362,7 @@ static void TAG(quadr)( struct gl_context *ctx,
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if (DO_TWOSIDE || DO_UNFILLED || DO_TWOSTENCIL)
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{
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facing = AREA_IS_CCW( cc ) ^ ctx->Polygon._FrontBit;
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facing = AREA_IS_CCW( cc ) ^ _mesa_polygon_get_front_bit(ctx);
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if (DO_UNFILLED) {
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if (facing) {
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