#include "program/prog_statevars.h"
#include "intel_batchbuffer.h"
-static void
-upload_vs_state(struct brw_context *brw)
+
+void
+gen7_upload_constant_state(struct brw_context *brw,
+ const struct brw_stage_state *stage_state,
+ bool active, unsigned opcode)
{
- struct intel_context *intel = &brw->intel;
- struct gl_context *ctx = &intel->ctx;
+ uint32_t mocs = brw->gen < 8 ? GEN7_MOCS_L3 : 0;
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_VS << 16 | (2 - 2));
- OUT_BATCH(brw->vs.bind_bo_offset);
- ADVANCE_BATCH();
+ /* Disable if the shader stage is inactive or there are no push constants. */
+ active = active && stage_state->push_const_size != 0;
- if (brw->vs.push_const_size == 0) {
- /* Disable the push constant buffers. */
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
+ int dwords = brw->gen >= 8 ? 11 : 7;
+ BEGIN_BATCH(dwords);
+ OUT_BATCH(opcode << 16 | (dwords - 2));
+ OUT_BATCH(active ? stage_state->push_const_size : 0);
+ OUT_BATCH(0);
+ /* Pointer to the constant buffer. Covered by the set of state flags
+ * from gen6_prepare_wm_contants
+ */
+ OUT_BATCH(active ? (stage_state->push_const_offset | mocs) : 0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ if (brw->gen >= 8) {
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
- ADVANCE_BATCH();
- } else {
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2));
- OUT_BATCH(brw->vs.push_const_size);
- OUT_BATCH(0);
- /* Pointer to the VS constant buffer. Covered by the set of
- * state flags from gen6_prepare_wm_contants
- */
- OUT_BATCH(brw->vs.push_const_offset);
- OUT_BATCH(0);
- OUT_BATCH(0);
OUT_BATCH(0);
- ADVANCE_BATCH();
}
+ ADVANCE_BATCH();
+
+ /* On SKL+ the new constants don't take effect until the next corresponding
+ * 3DSTATE_BINDING_TABLE_POINTER_* command is parsed so we need to ensure
+ * that is sent
+ */
+ if (brw->gen >= 9)
+ brw->ctx.NewDriverState |= BRW_NEW_SURFACES;
+}
+
+
+static void
+upload_vs_state(struct brw_context *brw)
+{
+ const struct brw_stage_state *stage_state = &brw->vs.base;
+ uint32_t floating_point_mode = 0;
+ const int max_threads_shift = brw->is_haswell ?
+ HSW_VS_MAX_THREADS_SHIFT : GEN6_VS_MAX_THREADS_SHIFT;
+
+ if (!brw->is_haswell && !brw->is_baytrail)
+ gen7_emit_vs_workaround_flush(brw);
+
+ if (brw->vs.prog_data->base.base.use_alt_mode)
+ floating_point_mode = GEN6_VS_FLOATING_POINT_MODE_ALT;
+
BEGIN_BATCH(6);
OUT_BATCH(_3DSTATE_VS << 16 | (6 - 2));
- OUT_RELOC(brw->vs.prog_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
- OUT_BATCH((0 << GEN6_VS_SAMPLER_COUNT_SHIFT) |
- GEN6_VS_FLOATING_POINT_MODE_ALT |
- (brw->vs.nr_surfaces << GEN6_VS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
- OUT_BATCH(0); /* scratch space base offset */
- OUT_BATCH((1 << GEN6_VS_DISPATCH_START_GRF_SHIFT) |
- (brw->vs.prog_data->urb_read_length << GEN6_VS_URB_READ_LENGTH_SHIFT) |
+ OUT_BATCH(stage_state->prog_offset);
+ OUT_BATCH(floating_point_mode |
+ ((ALIGN(stage_state->sampler_count, 4)/4) <<
+ GEN6_VS_SAMPLER_COUNT_SHIFT) |
+ ((brw->vs.prog_data->base.base.binding_table.size_bytes / 4) <<
+ GEN6_VS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
+
+ if (brw->vs.prog_data->base.base.total_scratch) {
+ OUT_RELOC(stage_state->scratch_bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ ffs(brw->vs.prog_data->base.base.total_scratch) - 11);
+ } else {
+ OUT_BATCH(0);
+ }
+
+ OUT_BATCH((brw->vs.prog_data->base.base.dispatch_grf_start_reg <<
+ GEN6_VS_DISPATCH_START_GRF_SHIFT) |
+ (brw->vs.prog_data->base.urb_read_length << GEN6_VS_URB_READ_LENGTH_SHIFT) |
(0 << GEN6_VS_URB_ENTRY_READ_OFFSET_SHIFT));
- OUT_BATCH(((brw->vs_max_threads - 1) << GEN6_VS_MAX_THREADS_SHIFT) |
+ OUT_BATCH(((brw->max_vs_threads - 1) << max_threads_shift) |
GEN6_VS_STATISTICS_ENABLE |
GEN6_VS_ENABLE);
ADVANCE_BATCH();
const struct brw_tracked_state gen7_vs_state = {
.dirty = {
- .mesa = _NEW_TRANSFORM | _NEW_PROGRAM_CONSTANTS,
- .brw = (BRW_NEW_CURBE_OFFSETS |
- BRW_NEW_NR_VS_SURFACES |
- BRW_NEW_URB_FENCE |
- BRW_NEW_CONTEXT |
- BRW_NEW_VERTEX_PROGRAM |
- BRW_NEW_VS_BINDING_TABLE |
- BRW_NEW_BATCH),
- .cache = CACHE_NEW_VS_PROG
+ .mesa = _NEW_TRANSFORM,
+ .brw = BRW_NEW_BATCH |
+ BRW_NEW_CONTEXT |
+ BRW_NEW_VS_PROG_DATA,
},
.emit = upload_vs_state,
};