-/*
- * Copyright © 2012 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 "main/glheader.h"
-#include "main/bufferobj.h"
-#include "main/context.h"
-#include "main/enums.h"
-#include "main/macros.h"
-
-#include "brw_draw.h"
-#include "brw_defines.h"
-#include "brw_context.h"
-#include "brw_state.h"
-
-#include "intel_batchbuffer.h"
-#include "intel_buffer_objects.h"
-
-static void
-gen8_emit_vertices(struct brw_context *brw)
-{
- struct gl_context *ctx = &brw->ctx;
- uint32_t mocs_wb = brw->gen >= 9 ? SKL_MOCS_WB : BDW_MOCS_WB;
-
- brw_prepare_vertices(brw);
- brw_prepare_shader_draw_parameters(brw);
-
- if (brw->vs.prog_data->uses_vertexid || brw->vs.prog_data->uses_instanceid) {
- unsigned vue = brw->vb.nr_enabled;
-
- WARN_ONCE(brw->vs.prog_data->inputs_read & VERT_BIT_EDGEFLAG,
- "Using VID/IID with edgeflags, need to reorder the "
- "vertex attributes");
- WARN_ONCE(vue >= 33,
- "Trying to insert VID/IID past 33rd vertex element, "
- "need to reorder the vertex attrbutes.");
-
- unsigned dw1 = 0;
- if (brw->vs.prog_data->uses_vertexid) {
- dw1 |= GEN8_SGVS_ENABLE_VERTEX_ID |
- (2 << GEN8_SGVS_VERTEX_ID_COMPONENT_SHIFT) | /* .z channel */
- (vue << GEN8_SGVS_VERTEX_ID_ELEMENT_OFFSET_SHIFT);
- }
-
- if (brw->vs.prog_data->uses_instanceid) {
- dw1 |= GEN8_SGVS_ENABLE_INSTANCE_ID |
- (3 << GEN8_SGVS_INSTANCE_ID_COMPONENT_SHIFT) | /* .w channel */
- (vue << GEN8_SGVS_INSTANCE_ID_ELEMENT_OFFSET_SHIFT);
- }
-
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_VF_SGVS << 16 | (2 - 2));
- OUT_BATCH(dw1);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(3);
- OUT_BATCH(_3DSTATE_VF_INSTANCING << 16 | (3 - 2));
- OUT_BATCH(brw->vb.nr_buffers | GEN8_VF_INSTANCING_ENABLE);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- } else {
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_VF_SGVS << 16 | (2 - 2));
- OUT_BATCH(0);
- ADVANCE_BATCH();
- }
-
- /* If the VS doesn't read any inputs (calculating vertex position from
- * a state variable for some reason, for example), emit a single pad
- * VERTEX_ELEMENT struct and bail.
- *
- * The stale VB state stays in place, but they don't do anything unless
- * a VE loads from them.
- */
- if (brw->vb.nr_enabled == 0) {
- BEGIN_BATCH(3);
- OUT_BATCH((_3DSTATE_VERTEX_ELEMENTS << 16) | (3 - 2));
- OUT_BATCH((0 << GEN6_VE0_INDEX_SHIFT) |
- GEN6_VE0_VALID |
- (BRW_SURFACEFORMAT_R32G32B32A32_FLOAT << BRW_VE0_FORMAT_SHIFT) |
- (0 << BRW_VE0_SRC_OFFSET_SHIFT));
- OUT_BATCH((BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_0_SHIFT) |
- (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_1_SHIFT) |
- (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT) |
- (BRW_VE1_COMPONENT_STORE_1_FLT << BRW_VE1_COMPONENT_3_SHIFT));
- ADVANCE_BATCH();
- return;
- }
-
- /* Now emit 3DSTATE_VERTEX_BUFFERS and 3DSTATE_VERTEX_ELEMENTS packets. */
- unsigned nr_buffers = brw->vb.nr_buffers + brw->vs.prog_data->uses_vertexid;
- if (nr_buffers) {
- assert(nr_buffers <= 33);
-
- BEGIN_BATCH(1 + 4 * nr_buffers);
- OUT_BATCH((_3DSTATE_VERTEX_BUFFERS << 16) | (4 * nr_buffers - 1));
- for (unsigned i = 0; i < brw->vb.nr_buffers; i++) {
- struct brw_vertex_buffer *buffer = &brw->vb.buffers[i];
- uint32_t dw0 = 0;
-
- dw0 |= i << GEN6_VB0_INDEX_SHIFT;
- dw0 |= GEN7_VB0_ADDRESS_MODIFYENABLE;
- dw0 |= buffer->stride << BRW_VB0_PITCH_SHIFT;
- dw0 |= mocs_wb << 16;
-
- OUT_BATCH(dw0);
- OUT_RELOC64(buffer->bo, I915_GEM_DOMAIN_VERTEX, 0, buffer->offset);
- OUT_BATCH(buffer->bo->size);
- }
-
- if (brw->vs.prog_data->uses_vertexid) {
- OUT_BATCH(brw->vb.nr_buffers << GEN6_VB0_INDEX_SHIFT |
- GEN7_VB0_ADDRESS_MODIFYENABLE |
- mocs_wb << 16);
- OUT_RELOC64(brw->draw.draw_params_bo, I915_GEM_DOMAIN_VERTEX, 0,
- brw->draw.draw_params_offset);
- OUT_BATCH(brw->draw.draw_params_bo->size);
- }
- ADVANCE_BATCH();
- }
-
- unsigned nr_elements = brw->vb.nr_enabled + brw->vs.prog_data->uses_vertexid;
-
- /* The hardware allows one more VERTEX_ELEMENTS than VERTEX_BUFFERS,
- * presumably for VertexID/InstanceID.
- */
- assert(nr_elements <= 34);
-
- struct brw_vertex_element *gen6_edgeflag_input = NULL;
-
- BEGIN_BATCH(1 + nr_elements * 2);
- OUT_BATCH((_3DSTATE_VERTEX_ELEMENTS << 16) | (2 * nr_elements - 1));
- for (unsigned i = 0; i < brw->vb.nr_enabled; i++) {
- struct brw_vertex_element *input = brw->vb.enabled[i];
- uint32_t format = brw_get_vertex_surface_type(brw, input->glarray);
- uint32_t comp0 = BRW_VE1_COMPONENT_STORE_SRC;
- uint32_t comp1 = BRW_VE1_COMPONENT_STORE_SRC;
- uint32_t comp2 = BRW_VE1_COMPONENT_STORE_SRC;
- uint32_t comp3 = BRW_VE1_COMPONENT_STORE_SRC;
-
- /* The gen4 driver expects edgeflag to come in as a float, and passes
- * that float on to the tests in the clipper. Mesa's current vertex
- * attribute value for EdgeFlag is stored as a float, which works out.
- * glEdgeFlagPointer, on the other hand, gives us an unnormalized
- * integer ubyte. Just rewrite that to convert to a float.
- */
- if (input == &brw->vb.inputs[VERT_ATTRIB_EDGEFLAG]) {
- /* Gen6+ passes edgeflag as sideband along with the vertex, instead
- * of in the VUE. We have to upload it sideband as the last vertex
- * element according to the B-Spec.
- */
- gen6_edgeflag_input = input;
- continue;
- }
-
- switch (input->glarray->Size) {
- case 0: comp0 = BRW_VE1_COMPONENT_STORE_0;
- case 1: comp1 = BRW_VE1_COMPONENT_STORE_0;
- case 2: comp2 = BRW_VE1_COMPONENT_STORE_0;
- case 3: comp3 = input->glarray->Integer ? BRW_VE1_COMPONENT_STORE_1_INT
- : BRW_VE1_COMPONENT_STORE_1_FLT;
- break;
- }
-
- OUT_BATCH((input->buffer << GEN6_VE0_INDEX_SHIFT) |
- GEN6_VE0_VALID |
- (format << BRW_VE0_FORMAT_SHIFT) |
- (input->offset << BRW_VE0_SRC_OFFSET_SHIFT));
-
- OUT_BATCH((comp0 << BRW_VE1_COMPONENT_0_SHIFT) |
- (comp1 << BRW_VE1_COMPONENT_1_SHIFT) |
- (comp2 << BRW_VE1_COMPONENT_2_SHIFT) |
- (comp3 << BRW_VE1_COMPONENT_3_SHIFT));
- }
-
- if (gen6_edgeflag_input) {
- uint32_t format =
- brw_get_vertex_surface_type(brw, gen6_edgeflag_input->glarray);
-
- OUT_BATCH((gen6_edgeflag_input->buffer << GEN6_VE0_INDEX_SHIFT) |
- GEN6_VE0_VALID |
- GEN6_VE0_EDGE_FLAG_ENABLE |
- (format << BRW_VE0_FORMAT_SHIFT) |
- (gen6_edgeflag_input->offset << BRW_VE0_SRC_OFFSET_SHIFT));
- OUT_BATCH((BRW_VE1_COMPONENT_STORE_SRC << BRW_VE1_COMPONENT_0_SHIFT) |
- (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_1_SHIFT) |
- (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT) |
- (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_3_SHIFT));
- }
-
- if (brw->vs.prog_data->uses_vertexid) {
- OUT_BATCH(GEN6_VE0_VALID |
- brw->vb.nr_buffers << GEN6_VE0_INDEX_SHIFT |
- BRW_SURFACEFORMAT_R32_UINT << BRW_VE0_FORMAT_SHIFT);
- OUT_BATCH((BRW_VE1_COMPONENT_STORE_SRC << BRW_VE1_COMPONENT_0_SHIFT) |
- (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_1_SHIFT) |
- (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT) |
- (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_3_SHIFT));
- }
- ADVANCE_BATCH();
-
- for (unsigned i = 0; i < brw->vb.nr_enabled; i++) {
- const struct brw_vertex_element *input = brw->vb.enabled[i];
- const struct brw_vertex_buffer *buffer = &brw->vb.buffers[input->buffer];
-
- BEGIN_BATCH(3);
- OUT_BATCH(_3DSTATE_VF_INSTANCING << 16 | (3 - 2));
- OUT_BATCH(i | (buffer->step_rate ? GEN8_VF_INSTANCING_ENABLE : 0));
- OUT_BATCH(buffer->step_rate);
- ADVANCE_BATCH();
- }
-}
-
-const struct brw_tracked_state gen8_vertices = {
- .dirty = {
- .mesa = _NEW_POLYGON,
- .brw = BRW_NEW_BATCH |
- BRW_NEW_VERTICES,
- .cache = BRW_NEW_VS_PROG_DATA,
- },
- .emit = gen8_emit_vertices,
-};
-
-static void
-gen8_emit_index_buffer(struct brw_context *brw)
-{
- const struct _mesa_index_buffer *index_buffer = brw->ib.ib;
- uint32_t mocs_wb = brw->gen >= 9 ? SKL_MOCS_WB : BDW_MOCS_WB;
-
- if (index_buffer == NULL)
- return;
-
- BEGIN_BATCH(5);
- OUT_BATCH(CMD_INDEX_BUFFER << 16 | (5 - 2));
- OUT_BATCH(brw_get_index_type(index_buffer->type) << 8 | mocs_wb);
- OUT_RELOC64(brw->ib.bo, I915_GEM_DOMAIN_VERTEX, 0, 0);
- OUT_BATCH(brw->ib.bo->size);
- ADVANCE_BATCH();
-}
-
-const struct brw_tracked_state gen8_index_buffer = {
- .dirty = {
- .mesa = 0,
- .brw = BRW_NEW_BATCH |
- BRW_NEW_INDEX_BUFFER,
- .cache = 0,
- },
- .emit = gen8_emit_index_buffer,
-};
-
-static void
-gen8_emit_vf_topology(struct brw_context *brw)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_VF_TOPOLOGY << 16 | (2 - 2));
- OUT_BATCH(brw->primitive);
- ADVANCE_BATCH();
-}
-
-const struct brw_tracked_state gen8_vf_topology = {
- .dirty = {
- .mesa = 0,
- .brw = BRW_NEW_PRIMITIVE,
- .cache = 0,
- },
- .emit = gen8_emit_vf_topology,
-};
projects / mesa.git / blobdiff