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radeonsi: add generic emit primitive helper

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This will be shared by the tgsi and nir backends.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Timothy Arceri
2018-01-19 08:50:42 +11:00
parent fdc2fb4d88
commit dd4591b794
1 changed files with 14 additions and 7 deletions
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src/gallium/drivers/radeonsi/si_shader.c
+14 -7
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@@ -4389,18 +4389,25 @@ static void si_tgsi_emit_vertex(
}
/* Cut one primitive from the geometry shader */
static void si_llvm_emit_primitive(
static void si_llvm_emit_primitive(struct ac_shader_abi *abi,
unsigned stream)
{
struct si_shader_context *ctx = si_shader_context_from_abi(abi);
/* Signal primitive cut */
ac_build_sendmsg(&ctx->ac, AC_SENDMSG_GS_OP_CUT | AC_SENDMSG_GS | (stream << 8),
si_get_gs_wave_id(ctx));
}
/* Cut one primitive from the geometry shader */
static void si_tgsi_emit_primitive(
const struct lp_build_tgsi_action *action,
struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
unsigned stream;
/* Signal primitive cut */
stream = si_llvm_get_stream(bld_base, emit_data);
ac_build_sendmsg(&ctx->ac, AC_SENDMSG_GS_OP_CUT | AC_SENDMSG_GS | (stream << 8),
si_get_gs_wave_id(ctx));
si_llvm_emit_primitive(&ctx->abi, si_llvm_get_stream(bld_base, emit_data));
}
static void si_llvm_emit_barrier(const struct lp_build_tgsi_action *action,
@@ -5910,7 +5917,7 @@ static void si_init_shader_ctx(struct si_shader_context *ctx,
bld_base->op_actions[TGSI_OPCODE_READ_INVOC].emit = read_lane_emit;
bld_base->op_actions[TGSI_OPCODE_EMIT].emit = si_tgsi_emit_vertex;
bld_base->op_actions[TGSI_OPCODE_ENDPRIM].emit = si_llvm_emit_primitive;
bld_base->op_actions[TGSI_OPCODE_ENDPRIM].emit = si_tgsi_emit_primitive;
bld_base->op_actions[TGSI_OPCODE_BARRIER].emit = si_llvm_emit_barrier;
}