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freedreno/ir3: add sample-id/sample-mask-in

Signed-off-by: Rob Clark <robdclark@gmail.com>
tags/18.2-branchpoint
Rob Clark 7 年之前
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共有 1 個檔案被更改,包括 21 行新增0 行删除
  1. 21
    0
      src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c

+ 21
- 0
src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c 查看文件

@@ -71,6 +71,9 @@ struct ir3_context {
/* For vertex shaders, keep track of the system values sources */
struct ir3_instruction *vertex_id, *basevertex, *instance_id;

/* For fragment shaders: */
struct ir3_instruction *samp_id, *samp_mask_in;

/* Compute shader inputs: */
struct ir3_instruction *local_invocation_id, *work_group_id;

@@ -2207,6 +2210,23 @@ emit_intrinsic(struct ir3_context *ctx, nir_intrinsic_instr *intr)
}
dst[0] = ctx->instance_id;
break;
case nir_intrinsic_load_sample_id:
if (!ctx->samp_id) {
ctx->samp_id = create_input(b, 0);
ctx->samp_id->regs[0]->flags |= IR3_REG_HALF;
add_sysval_input(ctx, SYSTEM_VALUE_SAMPLE_ID,
ctx->samp_id);
}
dst[0] = ir3_COV(b, ctx->samp_id, TYPE_U16, TYPE_U32);
break;
case nir_intrinsic_load_sample_mask_in:
if (!ctx->samp_mask_in) {
ctx->samp_mask_in = create_input(b, 0);
add_sysval_input(ctx, SYSTEM_VALUE_SAMPLE_MASK_IN,
ctx->samp_mask_in);
}
dst[0] = ctx->samp_mask_in;
break;
case nir_intrinsic_load_user_clip_plane:
idx = nir_intrinsic_ucp_id(intr);
for (int i = 0; i < intr->num_components; i++) {
@@ -3149,6 +3169,7 @@ max_drvloc(struct exec_list *vars)
}

static const unsigned max_sysvals[SHADER_MAX] = {
[SHADER_FRAGMENT] = 8,
[SHADER_VERTEX] = 16,
[SHADER_COMPUTE] = 16, // TODO how many do we actually need?
};

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