dst_reg *
-vec4_gs_visitor::make_reg_for_system_value(int location,
- const glsl_type *type)
+vec4_gs_visitor::make_reg_for_system_value(int location)
{
- dst_reg *reg = new(mem_ctx) dst_reg(this, type);
+ dst_reg *reg = new(mem_ctx) dst_reg(this, glsl_type::int_type);
switch (location) {
case SYSTEM_VALUE_INVOCATION_ID:
this->current_annotation = "initialize gl_InvocationID";
- emit(GS_OPCODE_GET_INSTANCE_ID, *reg);
+ if (gs_prog_data->invocations > 1)
+ emit(GS_OPCODE_GET_INSTANCE_ID, *reg);
+ else
+ emit(MOV(*reg, brw_imm_ud(0)));
break;
default:
unreachable("not reached");
* so the total number of input slots that will be delivered to the GS (and
* thus the stride of the input arrays) is urb_read_length * 2.
*/
- const unsigned num_input_vertices = nir->info.gs.vertices_in;
+ const unsigned num_input_vertices = nir->info->gs.vertices_in;
assert(num_input_vertices <= MAX_GS_INPUT_VERTICES);
unsigned input_array_stride = prog_data->urb_read_length * 2;
emit(ADD(dst_reg(prev_count), this->vertex_count,
brw_imm_ud(0xffffffffu)));
unsigned log2_bits_per_vertex =
- _mesa_fls(c->control_data_bits_per_vertex);
+ util_last_bit(c->control_data_bits_per_vertex);
emit(SHR(dst_reg(dword_index), prev_count,
brw_imm_ud(6 - log2_bits_per_vertex)));
}
* be recorded by transform feedback, we can simply discard all geometry
* bound to these streams when transform feedback is disabled.
*/
- if (stream_id > 0 && !nir->info.has_transform_feedback_varyings)
+ if (stream_id > 0 && !nir->info->has_transform_feedback_varyings)
return;
/* If we're outputting 32 control data bits or less, then we can wait
return;
}
+ if (c->control_data_header_size_bits == 0)
+ return;
+
/* Cut bits use one bit per vertex. */
assert(c->control_data_bits_per_vertex == 1);
const bool is_scalar = compiler->scalar_stage[MESA_SHADER_GEOMETRY];
nir_shader *shader = nir_shader_clone(mem_ctx, src_shader);
+
+ /* The GLSL linker will have already matched up GS inputs and the outputs
+ * of prior stages. The driver does extend VS outputs in some cases, but
+ * only for legacy OpenGL or Gen4-5 hardware, neither of which offer
+ * geometry shader support. So we can safely ignore that.
+ *
+ * For SSO pipelines, we use a fixed VUE map layout based on variable
+ * locations, so we can rely on rendezvous-by-location making this work.
+ *
+ * However, we need to ignore VARYING_SLOT_PRIMITIVE_ID, as it's not
+ * written by previous stages and shows up via payload magic.
+ */
+ GLbitfield64 inputs_read =
+ shader->info->inputs_read & ~VARYING_BIT_PRIMITIVE_ID;
+ brw_compute_vue_map(compiler->devinfo,
+ &c.input_vue_map, inputs_read,
+ shader->info->separate_shader);
+
shader = brw_nir_apply_sampler_key(shader, compiler->devinfo, &key->tex,
is_scalar);
- shader = brw_nir_lower_io(shader, compiler->devinfo, is_scalar, false, NULL);
+ brw_nir_lower_vue_inputs(shader, is_scalar, &c.input_vue_map);
+ brw_nir_lower_vue_outputs(shader, is_scalar);
shader = brw_postprocess_nir(shader, compiler->devinfo, is_scalar);
prog_data->include_primitive_id =
- (shader->info.inputs_read & VARYING_BIT_PRIMITIVE_ID) != 0;
+ (shader->info->inputs_read & VARYING_BIT_PRIMITIVE_ID) ||
+ (shader->info->system_values_read & (1 << SYSTEM_VALUE_PRIMITIVE_ID));
- prog_data->invocations = shader->info.gs.invocations;
+ prog_data->invocations = shader->info->gs.invocations;
if (compiler->devinfo->gen >= 8)
prog_data->static_vertex_count = nir_gs_count_vertices(shader);
if (compiler->devinfo->gen >= 7) {
- if (shader->info.gs.output_primitive == GL_POINTS) {
+ if (shader->info->gs.output_primitive == GL_POINTS) {
/* When the output type is points, the geometry shader may output data
* to multiple streams, and EndPrimitive() has no effect. So we
* configure the hardware to interpret the control data as stream ID.
* EndPrimitive().
*/
c.control_data_bits_per_vertex =
- shader->info.gs.uses_end_primitive ? 1 : 0;
+ shader->info->gs.uses_end_primitive ? 1 : 0;
}
} else {
/* There are no control data bits in gen6. */
c.control_data_bits_per_vertex = 0;
/* If it is using transform feedback, enable it */
- if (shader->info.has_transform_feedback_varyings)
+ if (shader->info->has_transform_feedback_varyings)
prog_data->gen6_xfb_enabled = true;
else
prog_data->gen6_xfb_enabled = false;
}
c.control_data_header_size_bits =
- shader->info.gs.vertices_out * c.control_data_bits_per_vertex;
+ shader->info->gs.vertices_out * c.control_data_bits_per_vertex;
/* 1 HWORD = 32 bytes = 256 bits */
prog_data->control_data_header_size_hwords =
unsigned output_size_bytes;
if (compiler->devinfo->gen >= 7) {
output_size_bytes =
- prog_data->output_vertex_size_hwords * 32 * shader->info.gs.vertices_out;
+ prog_data->output_vertex_size_hwords * 32 * shader->info->gs.vertices_out;
output_size_bytes += 32 * prog_data->control_data_header_size_hwords;
} else {
output_size_bytes = prog_data->output_vertex_size_hwords * 32;
prog_data->base.urb_entry_size = ALIGN(output_size_bytes, 128) / 128;
prog_data->output_topology =
- get_hw_prim_for_gl_prim(shader->info.gs.output_primitive);
+ get_hw_prim_for_gl_prim(shader->info->gs.output_primitive);
- prog_data->vertices_in = shader->info.gs.vertices_in;
-
- /* The GLSL linker will have already matched up GS inputs and the outputs
- * of prior stages. The driver does extend VS outputs in some cases, but
- * only for legacy OpenGL or Gen4-5 hardware, neither of which offer
- * geometry shader support. So we can safely ignore that.
- *
- * For SSO pipelines, we use a fixed VUE map layout based on variable
- * locations, so we can rely on rendezvous-by-location making this work.
- *
- * However, we need to ignore VARYING_SLOT_PRIMITIVE_ID, as it's not
- * written by previous stages and shows up via payload magic.
- */
- GLbitfield64 inputs_read =
- shader->info.inputs_read & ~VARYING_BIT_PRIMITIVE_ID;
- brw_compute_vue_map(compiler->devinfo,
- &c.input_vue_map, inputs_read,
- shader->info.separate_shader);
+ prog_data->vertices_in = shader->info->gs.vertices_in;
/* GS inputs are read from the VUE 256 bits (2 vec4's) at a time, so we
* need to program a URB read length of ceiling(num_slots / 2).
}
if (is_scalar) {
- /* TODO: Support instanced GS. We have basically no tests... */
- assert(prog_data->invocations == 1);
-
fs_visitor v(compiler, log_data, mem_ctx, &c, prog_data, shader,
shader_time_index);
if (v.run_gs()) {
prog_data->base.dispatch_mode = DISPATCH_MODE_SIMD8;
+ prog_data->base.base.dispatch_grf_start_reg = v.payload.num_regs;
fs_generator g(compiler, log_data, mem_ctx, &c.key,
&prog_data->base.base, v.promoted_constants,
false, MESA_SHADER_GEOMETRY);
if (unlikely(INTEL_DEBUG & DEBUG_GS)) {
const char *label =
- shader->info.label ? shader->info.label : "unnamed";
+ shader->info->label ? shader->info->label : "unnamed";
char *name = ralloc_asprintf(mem_ctx, "%s geometry shader %s",
- label, shader->info.name);
+ label, shader->info->name);
g.enable_debug(name);
}
g.generate_code(v.cfg, 8);
projects / mesa.git / blobdiff