| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * 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 AUTHORS OR COPYRIGHT HOLDERS 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. |
| */ |
| |
| #include "compiler/nir/nir.h" |
| #include "brw_context.h" |
| #include "brw_state.h" |
| #include "brw_defines.h" |
| #include "brw_util.h" |
| #include "main/macros.h" |
| #include "main/fbobject.h" |
| #include "intel_batchbuffer.h" |
| |
| static void |
| upload_sbe(struct brw_context *brw) |
| { |
| struct gl_context *ctx = &brw->ctx; |
| /* BRW_NEW_FS_PROG_DATA */ |
| const struct brw_wm_prog_data *wm_prog_data = |
| brw_wm_prog_data(brw->wm.base.prog_data); |
| uint32_t num_outputs = wm_prog_data->num_varying_inputs; |
| uint16_t attr_overrides[VARYING_SLOT_MAX]; |
| uint32_t urb_entry_read_length; |
| uint32_t urb_entry_read_offset; |
| uint32_t point_sprite_enables; |
| int sbe_cmd_length; |
| |
| uint32_t dw1 = |
| GEN7_SBE_SWIZZLE_ENABLE | |
| num_outputs << GEN7_SBE_NUM_OUTPUTS_SHIFT; |
| uint32_t dw4 = 0; |
| uint32_t dw5 = 0; |
| |
| /* _NEW_BUFFERS */ |
| bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer); |
| |
| /* _NEW_POINT |
| * |
| * Window coordinates in an FBO are inverted, which means point |
| * sprite origin must be inverted. |
| */ |
| if ((ctx->Point.SpriteOrigin == GL_LOWER_LEFT) != render_to_fbo) |
| dw1 |= GEN6_SF_POINT_SPRITE_LOWERLEFT; |
| else |
| dw1 |= GEN6_SF_POINT_SPRITE_UPPERLEFT; |
| |
| /* _NEW_POINT | _NEW_LIGHT | _NEW_PROGRAM, |
| * BRW_NEW_FS_PROG_DATA | BRW_NEW_FRAGMENT_PROGRAM | |
| * BRW_NEW_GS_PROG_DATA | BRW_NEW_PRIMITIVE | BRW_NEW_TES_PROG_DATA | |
| * BRW_NEW_VUE_MAP_GEOM_OUT |
| */ |
| calculate_attr_overrides(brw, attr_overrides, |
| &point_sprite_enables, |
| &urb_entry_read_length, |
| &urb_entry_read_offset); |
| |
| /* Typically, the URB entry read length and offset should be programmed in |
| * 3DSTATE_VS and 3DSTATE_GS; SBE inherits it from the last active stage |
| * which produces geometry. However, we don't know the proper value until |
| * we call calculate_attr_overrides(). |
| * |
| * To fit with our existing code, we override the inherited values and |
| * specify it here directly, as we did on previous generations. |
| */ |
| dw1 |= |
| urb_entry_read_length << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT | |
| urb_entry_read_offset << GEN8_SBE_URB_ENTRY_READ_OFFSET_SHIFT | |
| GEN8_SBE_FORCE_URB_ENTRY_READ_LENGTH | |
| GEN8_SBE_FORCE_URB_ENTRY_READ_OFFSET; |
| |
| if (brw->gen == 8) { |
| sbe_cmd_length = 4; |
| } else { |
| sbe_cmd_length = 6; |
| |
| /* prepare the active component dwords */ |
| int input_index = 0; |
| for (int attr = 0; attr < VARYING_SLOT_MAX; attr++) { |
| if (!(brw->fragment_program->info.inputs_read & |
| BITFIELD64_BIT(attr))) { |
| continue; |
| } |
| |
| assert(input_index < 32); |
| |
| if (input_index < 16) |
| dw4 |= (GEN9_SBE_ACTIVE_COMPONENT_XYZW << (input_index << 1)); |
| else |
| dw5 |= (GEN9_SBE_ACTIVE_COMPONENT_XYZW << ((input_index - 16) << 1)); |
| |
| ++input_index; |
| } |
| } |
| BEGIN_BATCH(sbe_cmd_length); |
| OUT_BATCH(_3DSTATE_SBE << 16 | (sbe_cmd_length - 2)); |
| OUT_BATCH(dw1); |
| OUT_BATCH(point_sprite_enables); |
| OUT_BATCH(wm_prog_data->flat_inputs); |
| if (sbe_cmd_length >= 6) { |
| OUT_BATCH(dw4); |
| OUT_BATCH(dw5); |
| } |
| ADVANCE_BATCH(); |
| |
| BEGIN_BATCH(11); |
| OUT_BATCH(_3DSTATE_SBE_SWIZ << 16 | (11 - 2)); |
| |
| /* Output DWords 1 through 8: */ |
| for (int i = 0; i < 8; i++) { |
| OUT_BATCH(attr_overrides[i * 2] | attr_overrides[i * 2 + 1] << 16); |
| } |
| |
| OUT_BATCH(0); /* wrapshortest enables 0-7 */ |
| OUT_BATCH(0); /* wrapshortest enables 8-15 */ |
| ADVANCE_BATCH(); |
| } |
| |
| const struct brw_tracked_state gen8_sbe_state = { |
| .dirty = { |
| .mesa = _NEW_BUFFERS | |
| _NEW_LIGHT | |
| _NEW_POINT | |
| _NEW_POLYGON | |
| _NEW_PROGRAM, |
| .brw = BRW_NEW_BLORP | |
| BRW_NEW_CONTEXT | |
| BRW_NEW_FRAGMENT_PROGRAM | |
| BRW_NEW_FS_PROG_DATA | |
| BRW_NEW_GS_PROG_DATA | |
| BRW_NEW_TES_PROG_DATA | |
| BRW_NEW_VUE_MAP_GEOM_OUT, |
| }, |
| .emit = upload_sbe, |
| }; |
| |
| static void |
| upload_sf(struct brw_context *brw) |
| { |
| struct gl_context *ctx = &brw->ctx; |
| uint32_t dw1 = 0, dw2 = 0, dw3 = 0; |
| float point_size; |
| |
| dw1 = GEN6_SF_STATISTICS_ENABLE; |
| |
| if (brw->sf.viewport_transform_enable) |
| dw1 |= GEN6_SF_VIEWPORT_TRANSFORM_ENABLE; |
| |
| /* _NEW_LINE */ |
| uint32_t line_width_u3_7 = brw_get_line_width(brw); |
| if (brw->gen >= 9 || brw->is_cherryview) { |
| dw1 |= line_width_u3_7 << GEN9_SF_LINE_WIDTH_SHIFT; |
| } else { |
| dw2 |= line_width_u3_7 << GEN6_SF_LINE_WIDTH_SHIFT; |
| } |
| |
| if (ctx->Line.SmoothFlag) { |
| dw2 |= GEN6_SF_LINE_END_CAP_WIDTH_1_0; |
| } |
| |
| /* _NEW_POINT - Clamp to ARB_point_parameters user limits */ |
| point_size = CLAMP(ctx->Point.Size, ctx->Point.MinSize, ctx->Point.MaxSize); |
| |
| /* Clamp to the hardware limits and convert to fixed point */ |
| dw3 |= U_FIXED(CLAMP(point_size, 0.125f, 255.875f), 3); |
| |
| /* _NEW_PROGRAM | _NEW_POINT, BRW_NEW_VUE_MAP_GEOM_OUT */ |
| if (use_state_point_size(brw)) |
| dw3 |= GEN6_SF_USE_STATE_POINT_WIDTH; |
| |
| /* _NEW_POINT | _NEW_MULTISAMPLE */ |
| if ((ctx->Point.SmoothFlag || _mesa_is_multisample_enabled(ctx)) && |
| !ctx->Point.PointSprite) { |
| dw3 |= GEN8_SF_SMOOTH_POINT_ENABLE; |
| } |
| |
| dw3 |= GEN6_SF_LINE_AA_MODE_TRUE; |
| |
| /* _NEW_LIGHT */ |
| if (ctx->Light.ProvokingVertex != GL_FIRST_VERTEX_CONVENTION) { |
| dw3 |= (2 << GEN6_SF_TRI_PROVOKE_SHIFT) | |
| (2 << GEN6_SF_TRIFAN_PROVOKE_SHIFT) | |
| (1 << GEN6_SF_LINE_PROVOKE_SHIFT); |
| } else { |
| dw3 |= (1 << GEN6_SF_TRIFAN_PROVOKE_SHIFT); |
| } |
| |
| BEGIN_BATCH(4); |
| OUT_BATCH(_3DSTATE_SF << 16 | (4 - 2)); |
| OUT_BATCH(dw1); |
| OUT_BATCH(dw2); |
| OUT_BATCH(dw3); |
| ADVANCE_BATCH(); |
| } |
| |
| const struct brw_tracked_state gen8_sf_state = { |
| .dirty = { |
| .mesa = _NEW_LIGHT | |
| _NEW_PROGRAM | |
| _NEW_LINE | |
| _NEW_MULTISAMPLE | |
| _NEW_POINT, |
| .brw = BRW_NEW_BLORP | |
| BRW_NEW_CONTEXT | |
| BRW_NEW_VUE_MAP_GEOM_OUT, |
| }, |
| .emit = upload_sf, |
| }; |
| |
| static void |
| upload_raster(struct brw_context *brw) |
| { |
| struct gl_context *ctx = &brw->ctx; |
| uint32_t dw1 = 0; |
| |
| /* _NEW_BUFFERS */ |
| bool render_to_fbo = _mesa_is_user_fbo(brw->ctx.DrawBuffer); |
| |
| /* _NEW_POLYGON */ |
| if (ctx->Polygon._FrontBit == render_to_fbo) |
| dw1 |= GEN8_RASTER_FRONT_WINDING_CCW; |
| |
| if (ctx->Polygon.CullFlag) { |
| switch (ctx->Polygon.CullFaceMode) { |
| case GL_FRONT: |
| dw1 |= GEN8_RASTER_CULL_FRONT; |
| break; |
| case GL_BACK: |
| dw1 |= GEN8_RASTER_CULL_BACK; |
| break; |
| case GL_FRONT_AND_BACK: |
| dw1 |= GEN8_RASTER_CULL_BOTH; |
| break; |
| default: |
| unreachable("not reached"); |
| } |
| } else { |
| dw1 |= GEN8_RASTER_CULL_NONE; |
| } |
| |
| /* _NEW_POINT */ |
| if (ctx->Point.SmoothFlag) |
| dw1 |= GEN8_RASTER_SMOOTH_POINT_ENABLE; |
| |
| if (_mesa_is_multisample_enabled(ctx)) |
| dw1 |= GEN8_RASTER_API_MULTISAMPLE_ENABLE; |
| |
| if (ctx->Polygon.OffsetFill) |
| dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID; |
| |
| if (ctx->Polygon.OffsetLine) |
| dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME; |
| |
| if (ctx->Polygon.OffsetPoint) |
| dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT; |
| |
| switch (ctx->Polygon.FrontMode) { |
| case GL_FILL: |
| dw1 |= GEN6_SF_FRONT_SOLID; |
| break; |
| case GL_LINE: |
| dw1 |= GEN6_SF_FRONT_WIREFRAME; |
| break; |
| case GL_POINT: |
| dw1 |= GEN6_SF_FRONT_POINT; |
| break; |
| |
| default: |
| unreachable("not reached"); |
| } |
| |
| switch (ctx->Polygon.BackMode) { |
| case GL_FILL: |
| dw1 |= GEN6_SF_BACK_SOLID; |
| break; |
| case GL_LINE: |
| dw1 |= GEN6_SF_BACK_WIREFRAME; |
| break; |
| case GL_POINT: |
| dw1 |= GEN6_SF_BACK_POINT; |
| break; |
| default: |
| unreachable("not reached"); |
| } |
| |
| /* _NEW_LINE */ |
| if (ctx->Line.SmoothFlag) |
| dw1 |= GEN8_RASTER_LINE_AA_ENABLE; |
| |
| /* _NEW_SCISSOR */ |
| if (ctx->Scissor.EnableFlags) |
| dw1 |= GEN8_RASTER_SCISSOR_ENABLE; |
| |
| /* _NEW_TRANSFORM */ |
| if (!ctx->Transform.DepthClamp) { |
| if (brw->gen >= 9) { |
| dw1 |= GEN9_RASTER_VIEWPORT_Z_NEAR_CLIP_TEST_ENABLE | |
| GEN9_RASTER_VIEWPORT_Z_FAR_CLIP_TEST_ENABLE; |
| } else { |
| dw1 |= GEN8_RASTER_VIEWPORT_Z_CLIP_TEST_ENABLE; |
| } |
| } |
| |
| /* BRW_NEW_CONSERVATIVE_RASTERIZATION */ |
| if (ctx->IntelConservativeRasterization) { |
| if (brw->gen >= 9) |
| dw1 |= GEN9_RASTER_CONSERVATIVE_RASTERIZATION_ENABLE; |
| } |
| |
| BEGIN_BATCH(5); |
| OUT_BATCH(_3DSTATE_RASTER << 16 | (5 - 2)); |
| OUT_BATCH(dw1); |
| OUT_BATCH_F(ctx->Polygon.OffsetUnits * 2); /* constant. copied from gen4 */ |
| OUT_BATCH_F(ctx->Polygon.OffsetFactor); /* scale */ |
| OUT_BATCH_F(ctx->Polygon.OffsetClamp); /* global depth offset clamp */ |
| ADVANCE_BATCH(); |
| } |
| |
| const struct brw_tracked_state gen8_raster_state = { |
| .dirty = { |
| .mesa = _NEW_BUFFERS | |
| _NEW_LINE | |
| _NEW_MULTISAMPLE | |
| _NEW_POINT | |
| _NEW_POLYGON | |
| _NEW_SCISSOR | |
| _NEW_TRANSFORM, |
| .brw = BRW_NEW_BLORP | |
| BRW_NEW_CONTEXT | |
| BRW_NEW_CONSERVATIVE_RASTERIZATION, |
| }, |
| .emit = upload_raster, |
| }; |
