--- /dev/null
+/*
+ Copyright (C) Intel Corp. 2006. All Rights Reserved.
+ Intel funded Tungsten Graphics to
+ develop this 3D driver.
+
+ 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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:
+ * Keith Whitwell <keithw@vmware.com>
+ */
+
+
+
+#include "main/mtypes.h"
+#include "main/macros.h"
+#include "main/fbobject.h"
+#include "main/viewport.h"
+#include "intel_batchbuffer.h"
+#include "brw_context.h"
+#include "brw_state.h"
+#include "brw_defines.h"
+#include "brw_util.h"
+
+static void upload_sf_unit( struct brw_context *brw )
+{
+ struct gl_context *ctx = &brw->ctx;
+ struct brw_sf_unit_state *sf;
+ int chipset_max_threads;
+ bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
+
+ sf = brw_state_batch(brw, sizeof(*sf), 64, &brw->sf.state_offset);
+
+ memset(sf, 0, sizeof(*sf));
+
+ /* BRW_NEW_PROGRAM_CACHE | BRW_NEW_SF_PROG_DATA */
+ sf->thread0.grf_reg_count = ALIGN(brw->sf.prog_data->total_grf, 16) / 16 - 1;
+ sf->thread0.kernel_start_pointer =
+ brw_program_reloc(brw,
+ brw->sf.state_offset +
+ offsetof(struct brw_sf_unit_state, thread0),
+ brw->sf.prog_offset +
+ (sf->thread0.grf_reg_count << 1)) >> 6;
+
+ sf->thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
+
+ sf->thread3.dispatch_grf_start_reg = 3;
+ sf->thread3.urb_entry_read_offset = BRW_SF_URB_ENTRY_READ_OFFSET;
+
+ /* BRW_NEW_SF_PROG_DATA */
+ sf->thread3.urb_entry_read_length = brw->sf.prog_data->urb_read_length;
+
+ /* BRW_NEW_URB_FENCE */
+ sf->thread4.nr_urb_entries = brw->urb.nr_sf_entries;
+ sf->thread4.urb_entry_allocation_size = brw->urb.sfsize - 1;
+
+ /* Each SF thread produces 1 PUE, and there can be up to 24 (Pre-Ironlake) or
+ * 48 (Ironlake) threads.
+ */
+ if (brw->gen == 5)
+ chipset_max_threads = 48;
+ else
+ chipset_max_threads = 24;
+
+ /* BRW_NEW_URB_FENCE */
+ sf->thread4.max_threads = MIN2(chipset_max_threads,
+ brw->urb.nr_sf_entries) - 1;
+
+ /* BRW_NEW_SF_VP */
+ sf->sf5.sf_viewport_state_offset = (brw->batch.bo->offset64 +
+ brw->sf.vp_offset) >> 5; /* reloc */
+
+ sf->sf5.viewport_transform = 1;
+
+ sf->sf6.scissor = 1;
+
+ /* _NEW_POLYGON */
+ if (brw->polygon_front_bit)
+ sf->sf5.front_winding = BRW_FRONTWINDING_CW;
+ else
+ sf->sf5.front_winding = BRW_FRONTWINDING_CCW;
+
+ /* _NEW_BUFFERS
+ * The viewport is inverted for rendering to a FBO, and that inverts
+ * polygon front/back orientation.
+ */
+ sf->sf5.front_winding ^= render_to_fbo;
+
+ /* _NEW_POLYGON */
+ switch (ctx->Polygon.CullFlag ? ctx->Polygon.CullFaceMode : GL_NONE) {
+ case GL_FRONT:
+ sf->sf6.cull_mode = BRW_CULLMODE_FRONT;
+ break;
+ case GL_BACK:
+ sf->sf6.cull_mode = BRW_CULLMODE_BACK;
+ break;
+ case GL_FRONT_AND_BACK:
+ sf->sf6.cull_mode = BRW_CULLMODE_BOTH;
+ break;
+ case GL_NONE:
+ sf->sf6.cull_mode = BRW_CULLMODE_NONE;
+ break;
+ default:
+ unreachable("not reached");
+ }
+
+ /* _NEW_LINE */
+ sf->sf6.line_width = U_FIXED(brw_get_line_width(brw), 1);
+
+ if (ctx->Line.SmoothFlag) {
+ sf->sf6.aa_enable = 1;
+ sf->sf6.line_endcap_aa_region_width = 1;
+ }
+
+ sf->sf6.point_rast_rule = BRW_RASTRULE_UPPER_RIGHT;
+
+ /* _NEW_POINT */
+ sf->sf7.sprite_point = ctx->Point.PointSprite;
+
+ float point_sz;
+ point_sz = CLAMP(ctx->Point.Size, ctx->Point.MinSize, ctx->Point.MaxSize);
+ point_sz = CLAMP(point_sz, 0.125f, 255.875f);
+ sf->sf7.point_size = U_FIXED(point_sz, 3);
+
+ /* _NEW_PROGRAM | _NEW_POINT, BRW_NEW_VUE_MAP_GEOM_OUT */
+ sf->sf7.use_point_size_state = use_state_point_size(brw);
+ sf->sf7.aa_line_distance_mode = brw->is_g4x || brw->gen == 5;
+
+ /* might be BRW_NEW_PRIMITIVE if we have to adjust pv for polygons:
+ * _NEW_LIGHT
+ */
+ if (ctx->Light.ProvokingVertex != GL_FIRST_VERTEX_CONVENTION) {
+ sf->sf7.trifan_pv = 2;
+ sf->sf7.linestrip_pv = 1;
+ sf->sf7.tristrip_pv = 2;
+ } else {
+ sf->sf7.trifan_pv = 1;
+ sf->sf7.linestrip_pv = 0;
+ sf->sf7.tristrip_pv = 0;
+ }
+ sf->sf7.line_last_pixel_enable = 0;
+
+ /* Set bias for OpenGL rasterization rules:
+ */
+ sf->sf6.dest_org_vbias = 0x8;
+ sf->sf6.dest_org_hbias = 0x8;
+
+ /* STATE_PREFETCH command description describes this state as being
+ * something loaded through the GPE (L2 ISC), so it's INSTRUCTION domain.
+ */
+
+ /* Emit SF viewport relocation */
+ brw_emit_reloc(&brw->batch,
+ brw->sf.state_offset +
+ offsetof(struct brw_sf_unit_state, sf5),
+ brw->batch.bo,
+ brw->sf.vp_offset | sf->sf5.front_winding |
+ (sf->sf5.viewport_transform << 1),
+ I915_GEM_DOMAIN_INSTRUCTION, 0);
+
+ brw->ctx.NewDriverState |= BRW_NEW_GEN4_UNIT_STATE;
+}
+
+const struct brw_tracked_state brw_sf_unit = {
+ .dirty = {
+ .mesa = _NEW_BUFFERS |
+ _NEW_LIGHT |
+ _NEW_LINE |
+ _NEW_POINT |
+ _NEW_POLYGON |
+ _NEW_PROGRAM,
+ .brw = BRW_NEW_BATCH |
+ BRW_NEW_BLORP |
+ BRW_NEW_PROGRAM_CACHE |
+ BRW_NEW_SF_PROG_DATA |
+ BRW_NEW_SF_VP |
+ BRW_NEW_VUE_MAP_GEOM_OUT |
+ BRW_NEW_URB_FENCE,
+ },
+ .emit = upload_sf_unit,
+};
projects / mesa.git / commitdiff