upload_3dstate_so_buffers(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
- /* BRW_NEW_VERTEX_PROGRAM */
- const struct gl_shader_program *vs_prog =
- ctx->Shader.CurrentVertexProgram;
- const struct gl_transform_feedback_info *linked_xfb_info =
- &vs_prog->LinkedTransformFeedback;
/* BRW_NEW_TRANSFORM_FEEDBACK */
struct gl_transform_feedback_object *xfb_obj =
ctx->TransformFeedback.CurrentObject;
+ const struct gl_transform_feedback_info *linked_xfb_info =
+ &xfb_obj->shader_program->LinkedTransformFeedback;
int i;
/* Set up the up to 4 output buffers. These are the ranges defined in the
const struct brw_vue_map *vue_map)
{
struct gl_context *ctx = &brw->ctx;
- /* BRW_NEW_VERTEX_PROGRAM */
- const struct gl_shader_program *vs_prog =
- ctx->Shader.CurrentVertexProgram;
/* BRW_NEW_TRANSFORM_FEEDBACK */
+ struct gl_transform_feedback_object *xfb_obj =
+ ctx->TransformFeedback.CurrentObject;
const struct gl_transform_feedback_info *linked_xfb_info =
- &vs_prog->LinkedTransformFeedback;
+ &xfb_obj->shader_program->LinkedTransformFeedback;
uint16_t so_decl[128];
int buffer_mask = 0;
int next_offset[4] = {0, 0, 0, 0};
.dirty = {
.mesa = (_NEW_LIGHT),
.brw = (BRW_NEW_BATCH |
- BRW_NEW_VERTEX_PROGRAM |
BRW_NEW_VUE_MAP_GEOM_OUT |
BRW_NEW_TRANSFORM_FEEDBACK)
},
struct brw_transform_feedback_object *brw_obj =
(struct brw_transform_feedback_object *) obj;
- intel_batchbuffer_flush(brw);
- brw->batch.needs_sol_reset = true;
+ /* Reset the SO buffer offsets to 0. */
+ if (brw->gen >= 8) {
+ brw_obj->zero_offsets = true;
+ } else {
+ intel_batchbuffer_flush(brw);
+ brw->batch.needs_sol_reset = true;
+ }
/* We're about to lose the information needed to compute the number of
* vertices written during the last Begin/EndTransformFeedback section,
intel_batchbuffer_emit_mi_flush(brw);
/* Save the SOL buffer offset register values. */
- for (int i = 0; i < 4; i++) {
- BEGIN_BATCH(3);
- OUT_BATCH(MI_STORE_REGISTER_MEM | (3 - 2));
- OUT_BATCH(GEN7_SO_WRITE_OFFSET(i));
- OUT_RELOC(brw_obj->offset_bo,
- I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
- i * sizeof(uint32_t));
- ADVANCE_BATCH();
+ if (brw->gen < 8) {
+ for (int i = 0; i < 4; i++) {
+ BEGIN_BATCH(3);
+ OUT_BATCH(MI_STORE_REGISTER_MEM | (3 - 2));
+ OUT_BATCH(GEN7_SO_WRITE_OFFSET(i));
+ OUT_RELOC(brw_obj->offset_bo,
+ I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
+ i * sizeof(uint32_t));
+ ADVANCE_BATCH();
+ }
}
/* Store the temporary ending value of the SO_NUM_PRIMS_WRITTEN counters.
(struct brw_transform_feedback_object *) obj;
/* Reload the SOL buffer offset registers. */
- for (int i = 0; i < 4; i++) {
- BEGIN_BATCH(3);
- OUT_BATCH(GEN7_MI_LOAD_REGISTER_MEM | (3 - 2));
- OUT_BATCH(GEN7_SO_WRITE_OFFSET(i));
- OUT_RELOC(brw_obj->offset_bo,
- I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
- i * sizeof(uint32_t));
- ADVANCE_BATCH();
+ if (brw->gen < 8) {
+ for (int i = 0; i < 4; i++) {
+ BEGIN_BATCH(3);
+ OUT_BATCH(GEN7_MI_LOAD_REGISTER_MEM | (3 - 2));
+ OUT_BATCH(GEN7_SO_WRITE_OFFSET(i));
+ OUT_RELOC(brw_obj->offset_bo,
+ I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
+ i * sizeof(uint32_t));
+ ADVANCE_BATCH();
+ }
}
/* Store the new starting value of the SO_NUM_PRIMS_WRITTEN counters. */