/* Calculate interpolants for triangle and line rasterization. */ static void brw_upload_clip_prog(struct brw_context *brw) { struct gl_context *ctx = &brw->ctx; struct brw_clip_prog_key key; memset(&key, 0, sizeof(key)); /* Populate the key: */ /* BRW_NEW_INTERPOLATION_MAP */ key.interpolation_mode = brw->interpolation_mode; /* BRW_NEW_REDUCED_PRIMITIVE */ key.primitive = brw->reduced_primitive; /* BRW_NEW_VUE_MAP_GEOM_OUT */ key.attrs = brw->vue_map_geom_out.slots_valid; /* _NEW_LIGHT */ key.pv_first = (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION); /* _NEW_TRANSFORM (also part of VUE map)*/ key.nr_userclip = _mesa_bitcount_64(ctx->Transform.ClipPlanesEnabled); if (brw->gen == 5) key.clip_mode = BRW_CLIPMODE_KERNEL_CLIP; else key.clip_mode = BRW_CLIPMODE_NORMAL; /* _NEW_POLYGON */ if (key.primitive == GL_TRIANGLES) { if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) key.clip_mode = BRW_CLIPMODE_REJECT_ALL; else { GLuint fill_front = CLIP_CULL; GLuint fill_back = CLIP_CULL; GLuint offset_front = 0; GLuint offset_back = 0; if (!ctx->Polygon.CullFlag || ctx->Polygon.CullFaceMode != GL_FRONT) { switch (ctx->Polygon.FrontMode) { case GL_FILL: fill_front = CLIP_FILL; offset_front = 0; break; case GL_LINE: fill_front = CLIP_LINE; offset_front = ctx->Polygon.OffsetLine; break; case GL_POINT: fill_front = CLIP_POINT; offset_front = ctx->Polygon.OffsetPoint; break; } } if (!ctx->Polygon.CullFlag || ctx->Polygon.CullFaceMode != GL_BACK) { switch (ctx->Polygon.BackMode) { case GL_FILL: fill_back = CLIP_FILL; offset_back = 0; break; case GL_LINE: fill_back = CLIP_LINE; offset_back = ctx->Polygon.OffsetLine; break; case GL_POINT: fill_back = CLIP_POINT; offset_back = ctx->Polygon.OffsetPoint; break; } } if (ctx->Polygon.BackMode != GL_FILL || ctx->Polygon.FrontMode != GL_FILL) { key.do_unfilled = 1; /* Most cases the fixed function units will handle. Cases where * one or more polygon faces are unfilled will require help: */ key.clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED; if (offset_back || offset_front) { /* _NEW_POLYGON, _NEW_BUFFERS */ key.offset_units = ctx->Polygon.OffsetUnits * ctx->DrawBuffer->_MRD * 2; key.offset_factor = ctx->Polygon.OffsetFactor * ctx->DrawBuffer->_MRD; } switch (ctx->Polygon.FrontFace) { case GL_CCW: key.fill_ccw = fill_front; key.fill_cw = fill_back; key.offset_ccw = offset_front; key.offset_cw = offset_back; if (ctx->Light.Model.TwoSide && key.fill_cw != CLIP_CULL) key.copy_bfc_cw = 1; break; case GL_CW: key.fill_cw = fill_front; key.fill_ccw = fill_back; key.offset_cw = offset_front; key.offset_ccw = offset_back; if (ctx->Light.Model.TwoSide && key.fill_ccw != CLIP_CULL) key.copy_bfc_ccw = 1; break; } } } } if (!brw_search_cache(&brw->cache, BRW_CLIP_PROG, &key, sizeof(key), &brw->clip.prog_offset, &brw->clip.prog_data)) { compile_clip_prog( brw, &key ); } }
/* Calculate interpolants for triangle and line rasterization. */ void brw_upload_clip_prog(struct brw_context *brw) { struct gl_context *ctx = &brw->ctx; struct brw_clip_prog_key key; if (!brw_state_dirty(brw, _NEW_BUFFERS | _NEW_LIGHT | _NEW_POLYGON | _NEW_TRANSFORM, BRW_NEW_BLORP | BRW_NEW_FS_PROG_DATA | BRW_NEW_REDUCED_PRIMITIVE | BRW_NEW_VUE_MAP_GEOM_OUT)) return; memset(&key, 0, sizeof(key)); /* Populate the key: */ /* BRW_NEW_FS_PROG_DATA */ const struct brw_wm_prog_data *wm_prog_data = brw_wm_prog_data(brw->wm.base.prog_data); if (wm_prog_data) { key.contains_flat_varying = wm_prog_data->contains_flat_varying; key.contains_noperspective_varying = wm_prog_data->contains_noperspective_varying; STATIC_ASSERT(sizeof(key.interp_mode) == sizeof(wm_prog_data->interp_mode)); memcpy(key.interp_mode, wm_prog_data->interp_mode, sizeof(key.interp_mode)); } /* BRW_NEW_REDUCED_PRIMITIVE */ key.primitive = brw->reduced_primitive; /* BRW_NEW_VUE_MAP_GEOM_OUT */ key.attrs = brw->vue_map_geom_out.slots_valid; /* _NEW_LIGHT */ key.pv_first = (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION); /* _NEW_TRANSFORM (also part of VUE map)*/ if (ctx->Transform.ClipPlanesEnabled) key.nr_userclip = _mesa_logbase2(ctx->Transform.ClipPlanesEnabled) + 1; if (brw->gen == 5) key.clip_mode = BRW_CLIP_MODE_KERNEL_CLIP; else key.clip_mode = BRW_CLIP_MODE_NORMAL; /* _NEW_POLYGON */ if (key.primitive == GL_TRIANGLES) { if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) key.clip_mode = BRW_CLIP_MODE_REJECT_ALL; else { GLuint fill_front = BRW_CLIP_FILL_MODE_CULL; GLuint fill_back = BRW_CLIP_FILL_MODE_CULL; GLuint offset_front = 0; GLuint offset_back = 0; if (!ctx->Polygon.CullFlag || ctx->Polygon.CullFaceMode != GL_FRONT) { switch (ctx->Polygon.FrontMode) { case GL_FILL: fill_front = BRW_CLIP_FILL_MODE_FILL; offset_front = 0; break; case GL_LINE: fill_front = BRW_CLIP_FILL_MODE_LINE; offset_front = ctx->Polygon.OffsetLine; break; case GL_POINT: fill_front = BRW_CLIP_FILL_MODE_POINT; offset_front = ctx->Polygon.OffsetPoint; break; } } if (!ctx->Polygon.CullFlag || ctx->Polygon.CullFaceMode != GL_BACK) { switch (ctx->Polygon.BackMode) { case GL_FILL: fill_back = BRW_CLIP_FILL_MODE_FILL; offset_back = 0; break; case GL_LINE: fill_back = BRW_CLIP_FILL_MODE_LINE; offset_back = ctx->Polygon.OffsetLine; break; case GL_POINT: fill_back = BRW_CLIP_FILL_MODE_POINT; offset_back = ctx->Polygon.OffsetPoint; break; } } if (ctx->Polygon.BackMode != GL_FILL || ctx->Polygon.FrontMode != GL_FILL) { key.do_unfilled = 1; /* Most cases the fixed function units will handle. Cases where * one or more polygon faces are unfilled will require help: */ key.clip_mode = BRW_CLIP_MODE_CLIP_NON_REJECTED; if (offset_back || offset_front) { /* _NEW_POLYGON, _NEW_BUFFERS */ key.offset_units = ctx->Polygon.OffsetUnits * ctx->DrawBuffer->_MRD * 2; key.offset_factor = ctx->Polygon.OffsetFactor * ctx->DrawBuffer->_MRD; key.offset_clamp = ctx->Polygon.OffsetClamp * ctx->DrawBuffer->_MRD; } if (!brw->polygon_front_bit) { key.fill_ccw = fill_front; key.fill_cw = fill_back; key.offset_ccw = offset_front; key.offset_cw = offset_back; if (ctx->Light.Model.TwoSide && key.fill_cw != BRW_CLIP_FILL_MODE_CULL) key.copy_bfc_cw = 1; } else { key.fill_cw = fill_front; key.fill_ccw = fill_back; key.offset_cw = offset_front; key.offset_ccw = offset_back; if (ctx->Light.Model.TwoSide && key.fill_ccw != BRW_CLIP_FILL_MODE_CULL) key.copy_bfc_ccw = 1; } } } } if (!brw_search_cache(&brw->cache, BRW_CACHE_CLIP_PROG, &key, sizeof(key), &brw->clip.prog_offset, &brw->clip.prog_data)) { compile_clip_prog( brw, &key ); } }
/* Calculate interpolants for triangle and line rasterization. */ static void upload_clip_prog(struct brw_context *brw) { struct intel_context *intel = &brw->intel; GLcontext *ctx = &intel->ctx; struct brw_clip_prog_key key; memset(&key, 0, sizeof(key)); /* Populate the key: */ /* BRW_NEW_REDUCED_PRIMITIVE */ key.primitive = brw->intel.reduced_primitive; /* CACHE_NEW_VS_PROG */ key.attrs = brw->vs.prog_data->outputs_written; /* _NEW_LIGHT */ key.do_flat_shading = (ctx->Light.ShadeModel == GL_FLAT); key.pv_first = (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION); /* _NEW_TRANSFORM */ key.nr_userclip = brw_count_bits(ctx->Transform.ClipPlanesEnabled); if (intel->gen == 5) key.clip_mode = BRW_CLIPMODE_KERNEL_CLIP; else key.clip_mode = BRW_CLIPMODE_NORMAL; /* _NEW_POLYGON */ if (key.primitive == GL_TRIANGLES) { if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) key.clip_mode = BRW_CLIPMODE_REJECT_ALL; else { GLuint fill_front = CLIP_CULL; GLuint fill_back = CLIP_CULL; GLuint offset_front = 0; GLuint offset_back = 0; if (!ctx->Polygon.CullFlag || ctx->Polygon.CullFaceMode != GL_FRONT) { switch (ctx->Polygon.FrontMode) { case GL_FILL: fill_front = CLIP_FILL; offset_front = 0; break; case GL_LINE: fill_front = CLIP_LINE; offset_front = ctx->Polygon.OffsetLine; break; case GL_POINT: fill_front = CLIP_POINT; offset_front = ctx->Polygon.OffsetPoint; break; } } if (!ctx->Polygon.CullFlag || ctx->Polygon.CullFaceMode != GL_BACK) { switch (ctx->Polygon.BackMode) { case GL_FILL: fill_back = CLIP_FILL; offset_back = 0; break; case GL_LINE: fill_back = CLIP_LINE; offset_back = ctx->Polygon.OffsetLine; break; case GL_POINT: fill_back = CLIP_POINT; offset_back = ctx->Polygon.OffsetPoint; break; } } if (ctx->Polygon.BackMode != GL_FILL || ctx->Polygon.FrontMode != GL_FILL) { key.do_unfilled = 1; /* Most cases the fixed function units will handle. Cases where * one or more polygon faces are unfilled will require help: */ key.clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED; if (offset_back || offset_front) { /* _NEW_POLYGON, _NEW_BUFFERS */ key.offset_units = ctx->Polygon.OffsetUnits * brw->intel.polygon_offset_scale; key.offset_factor = ctx->Polygon.OffsetFactor * ctx->DrawBuffer->_MRD; } switch (ctx->Polygon.FrontFace) { case GL_CCW: key.fill_ccw = fill_front; key.fill_cw = fill_back; key.offset_ccw = offset_front; key.offset_cw = offset_back; if (ctx->Light.Model.TwoSide && key.fill_cw != CLIP_CULL) key.copy_bfc_cw = 1; break; case GL_CW: key.fill_cw = fill_front; key.fill_ccw = fill_back; key.offset_cw = offset_front; key.offset_ccw = offset_back; if (ctx->Light.Model.TwoSide && key.fill_ccw != CLIP_CULL) key.copy_bfc_ccw = 1; break; } } } } drm_intel_bo_unreference(brw->clip.prog_bo); brw->clip.prog_bo = brw_search_cache(&brw->cache, BRW_CLIP_PROG, &key, sizeof(key), NULL, 0, &brw->clip.prog_data); if (brw->clip.prog_bo == NULL) compile_clip_prog( brw, &key ); }