1 /* 2 * Copyright 2011 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #include "brw_context.h" 25 #include "brw_state.h" 26 #include "brw_defines.h" 27 #include "brw_util.h" 28 #include "main/macros.h" 29 #include "main/fbobject.h" 30 #include "main/framebuffer.h" 31 #include "intel_batchbuffer.h" 32 33 static void 34 upload_sbe_state(struct brw_context *brw) 35 { 36 struct gl_context *ctx = &brw->ctx; 37 /* BRW_NEW_FS_PROG_DATA */ 38 const struct brw_wm_prog_data *wm_prog_data = 39 brw_wm_prog_data(brw->wm.base.prog_data); 40 uint32_t num_outputs = wm_prog_data->num_varying_inputs; 41 uint32_t dw1; 42 uint32_t point_sprite_enables; 43 int i; 44 uint16_t attr_overrides[16]; 45 /* _NEW_BUFFERS */ 46 bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer); 47 uint32_t point_sprite_origin; 48 49 /* FINISHME: Attribute Swizzle Control Mode? */ 50 dw1 = GEN7_SBE_SWIZZLE_ENABLE | num_outputs << GEN7_SBE_NUM_OUTPUTS_SHIFT; 51 52 /* _NEW_POINT 53 * 54 * Window coordinates in an FBO are inverted, which means point 55 * sprite origin must be inverted. 56 */ 57 if ((ctx->Point.SpriteOrigin == GL_LOWER_LEFT) != render_to_fbo) { 58 point_sprite_origin = GEN6_SF_POINT_SPRITE_LOWERLEFT; 59 } else { 60 point_sprite_origin = GEN6_SF_POINT_SPRITE_UPPERLEFT; 61 } 62 dw1 |= point_sprite_origin; 63 64 /* _NEW_POINT | _NEW_LIGHT | _NEW_PROGRAM, 65 * BRW_NEW_FS_PROG_DATA | BRW_NEW_FRAGMENT_PROGRAM | 66 * BRW_NEW_GS_PROG_DATA | BRW_NEW_PRIMITIVE | BRW_NEW_TES_PROG_DATA | 67 * BRW_NEW_VUE_MAP_GEOM_OUT 68 */ 69 uint32_t urb_entry_read_length; 70 uint32_t urb_entry_read_offset; 71 calculate_attr_overrides(brw, attr_overrides, &point_sprite_enables, 72 &urb_entry_read_length, &urb_entry_read_offset); 73 dw1 |= urb_entry_read_length << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT | 74 urb_entry_read_offset << GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT; 75 76 BEGIN_BATCH(14); 77 OUT_BATCH(_3DSTATE_SBE << 16 | (14 - 2)); 78 OUT_BATCH(dw1); 79 80 /* Output dwords 2 through 9 */ 81 for (i = 0; i < 8; i++) { 82 OUT_BATCH(attr_overrides[i * 2] | attr_overrides[i * 2 + 1] << 16); 83 } 84 85 OUT_BATCH(point_sprite_enables); /* dw10 */ 86 OUT_BATCH(wm_prog_data->flat_inputs); 87 OUT_BATCH(0); /* wrapshortest enables 0-7 */ 88 OUT_BATCH(0); /* wrapshortest enables 8-15 */ 89 ADVANCE_BATCH(); 90 } 91 92 const struct brw_tracked_state gen7_sbe_state = { 93 .dirty = { 94 .mesa = _NEW_BUFFERS | 95 _NEW_LIGHT | 96 _NEW_POINT | 97 _NEW_POLYGON | 98 _NEW_PROGRAM, 99 .brw = BRW_NEW_BLORP | 100 BRW_NEW_CONTEXT | 101 BRW_NEW_FRAGMENT_PROGRAM | 102 BRW_NEW_FS_PROG_DATA | 103 BRW_NEW_GS_PROG_DATA | 104 BRW_NEW_TES_PROG_DATA | 105 BRW_NEW_PRIMITIVE | 106 BRW_NEW_VUE_MAP_GEOM_OUT, 107 }, 108 .emit = upload_sbe_state, 109 }; 110 111 static void 112 upload_sf_state(struct brw_context *brw) 113 { 114 struct gl_context *ctx = &brw->ctx; 115 uint32_t dw1, dw2, dw3; 116 float point_size; 117 /* _NEW_BUFFERS */ 118 bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer); 119 const bool multisampled_fbo = _mesa_geometric_samples(ctx->DrawBuffer) > 1; 120 121 dw1 = GEN6_SF_STATISTICS_ENABLE; 122 123 if (brw->sf.viewport_transform_enable) 124 dw1 |= GEN6_SF_VIEWPORT_TRANSFORM_ENABLE; 125 126 /* _NEW_BUFFERS */ 127 dw1 |= (brw_depthbuffer_format(brw) << GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT); 128 129 /* _NEW_POLYGON */ 130 if (ctx->Polygon._FrontBit == render_to_fbo) 131 dw1 |= GEN6_SF_WINDING_CCW; 132 133 if (ctx->Polygon.OffsetFill) 134 dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID; 135 136 if (ctx->Polygon.OffsetLine) 137 dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME; 138 139 if (ctx->Polygon.OffsetPoint) 140 dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT; 141 142 switch (ctx->Polygon.FrontMode) { 143 case GL_FILL: 144 dw1 |= GEN6_SF_FRONT_SOLID; 145 break; 146 147 case GL_LINE: 148 dw1 |= GEN6_SF_FRONT_WIREFRAME; 149 break; 150 151 case GL_POINT: 152 dw1 |= GEN6_SF_FRONT_POINT; 153 break; 154 155 default: 156 unreachable("not reached"); 157 } 158 159 switch (ctx->Polygon.BackMode) { 160 case GL_FILL: 161 dw1 |= GEN6_SF_BACK_SOLID; 162 break; 163 164 case GL_LINE: 165 dw1 |= GEN6_SF_BACK_WIREFRAME; 166 break; 167 168 case GL_POINT: 169 dw1 |= GEN6_SF_BACK_POINT; 170 break; 171 172 default: 173 unreachable("not reached"); 174 } 175 176 dw2 = GEN6_SF_SCISSOR_ENABLE; 177 178 if (ctx->Polygon.CullFlag) { 179 switch (ctx->Polygon.CullFaceMode) { 180 case GL_FRONT: 181 dw2 |= GEN6_SF_CULL_FRONT; 182 break; 183 case GL_BACK: 184 dw2 |= GEN6_SF_CULL_BACK; 185 break; 186 case GL_FRONT_AND_BACK: 187 dw2 |= GEN6_SF_CULL_BOTH; 188 break; 189 default: 190 unreachable("not reached"); 191 } 192 } else { 193 dw2 |= GEN6_SF_CULL_NONE; 194 } 195 196 /* _NEW_LINE */ 197 { 198 uint32_t line_width_u3_7 = brw_get_line_width(brw); 199 dw2 |= line_width_u3_7 << GEN6_SF_LINE_WIDTH_SHIFT; 200 } 201 if (ctx->Line.SmoothFlag) { 202 dw2 |= GEN6_SF_LINE_AA_ENABLE; 203 dw2 |= GEN6_SF_LINE_END_CAP_WIDTH_1_0; 204 } 205 if (ctx->Line.StippleFlag && brw->is_haswell) { 206 dw2 |= HSW_SF_LINE_STIPPLE_ENABLE; 207 } 208 /* _NEW_MULTISAMPLE */ 209 if (multisampled_fbo && ctx->Multisample.Enabled) 210 dw2 |= GEN6_SF_MSRAST_ON_PATTERN; 211 212 /* FINISHME: Last Pixel Enable? Vertex Sub Pixel Precision Select? 213 */ 214 215 dw3 = GEN6_SF_LINE_AA_MODE_TRUE; 216 217 /* _NEW_PROGRAM | _NEW_POINT, BRW_NEW_VUE_MAP_GEOM_OUT */ 218 if (use_state_point_size(brw)) 219 dw3 |= GEN6_SF_USE_STATE_POINT_WIDTH; 220 221 /* _NEW_POINT - Clamp to ARB_point_parameters user limits */ 222 point_size = CLAMP(ctx->Point.Size, ctx->Point.MinSize, ctx->Point.MaxSize); 223 224 /* Clamp to the hardware limits and convert to fixed point */ 225 dw3 |= U_FIXED(CLAMP(point_size, 0.125f, 255.875f), 3); 226 227 /* _NEW_LIGHT */ 228 if (ctx->Light.ProvokingVertex != GL_FIRST_VERTEX_CONVENTION) { 229 dw3 |= 230 (2 << GEN6_SF_TRI_PROVOKE_SHIFT) | 231 (2 << GEN6_SF_TRIFAN_PROVOKE_SHIFT) | 232 (1 << GEN6_SF_LINE_PROVOKE_SHIFT); 233 } else { 234 dw3 |= (1 << GEN6_SF_TRIFAN_PROVOKE_SHIFT); 235 } 236 237 BEGIN_BATCH(7); 238 OUT_BATCH(_3DSTATE_SF << 16 | (7 - 2)); 239 OUT_BATCH(dw1); 240 OUT_BATCH(dw2); 241 OUT_BATCH(dw3); 242 OUT_BATCH_F(ctx->Polygon.OffsetUnits * 2); /* constant. copied from gen4 */ 243 OUT_BATCH_F(ctx->Polygon.OffsetFactor); /* scale */ 244 OUT_BATCH_F(ctx->Polygon.OffsetClamp); /* global depth offset clamp */ 245 ADVANCE_BATCH(); 246 } 247 248 const struct brw_tracked_state gen7_sf_state = { 249 .dirty = { 250 .mesa = _NEW_BUFFERS | 251 _NEW_LIGHT | 252 _NEW_LINE | 253 _NEW_MULTISAMPLE | 254 _NEW_POINT | 255 _NEW_POLYGON | 256 _NEW_PROGRAM, 257 .brw = BRW_NEW_BLORP | 258 BRW_NEW_CONTEXT | 259 BRW_NEW_GS_PROG_DATA | 260 BRW_NEW_PRIMITIVE | 261 BRW_NEW_TES_PROG_DATA | 262 BRW_NEW_VUE_MAP_GEOM_OUT, 263 }, 264 .emit = upload_sf_state, 265 }; 266
