diff options
| -rw-r--r-- | src/mesa/program/prog_to_nir.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/mesa/program/prog_to_nir.c b/src/mesa/program/prog_to_nir.c index 0f7601a6868..afa490cdb36 100644 --- a/src/mesa/program/prog_to_nir.c +++ b/src/mesa/program/prog_to_nir.c @@ -52,6 +52,7 @@ struct ptn_compile { nir_variable *parameters; nir_variable *input_vars[VARYING_SLOT_MAX]; nir_variable *output_vars[VARYING_SLOT_MAX]; + nir_variable *sysval_vars[SYSTEM_VALUE_MAX]; nir_variable *sampler_vars[32]; /* matches number of bits in TexSrcUnit */ nir_register **output_regs; nir_register **temp_regs; @@ -142,6 +143,15 @@ ptn_get_src(struct ptn_compile *c, const struct prog_src_register *prog_src) src.src = nir_src_for_ssa(nir_load_var(b, var)); break; } + case PROGRAM_SYSTEM_VALUE: { + assert(!prog_src->RelAddr); + + assert(prog_src->Index >= 0 && prog_src->Index < SYSTEM_VALUE_MAX); + + nir_variable *var = c->sysval_vars[prog_src->Index]; + src.src = nir_src_for_ssa(nir_load_var(b, var)); + break; + } case PROGRAM_STATE_VAR: case PROGRAM_CONSTANT: { /* We actually want to look at the type in the Parameters list for this, @@ -902,6 +912,26 @@ setup_registers_and_variables(struct ptn_compile *c) c->input_vars[i] = var; } + /* Create system value variables */ + uint64_t system_values_read = c->prog->info.system_values_read; + while (system_values_read) { + const int i = u_bit_scan64(&system_values_read); + + nir_variable *var = + nir_variable_create(shader, nir_var_system_value, glsl_vec4_type(), + ralloc_asprintf(shader, "sv_%d", i)); + var->data.location = i; + var->data.index = 0; + + if (c->prog->Target == GL_FRAGMENT_PROGRAM_ARB && + i == SYSTEM_VALUE_FRAG_COORD) { + var->data.origin_upper_left = c->prog->OriginUpperLeft; + var->data.pixel_center_integer = c->prog->PixelCenterInteger; + } + + c->sysval_vars[i] = var; + } + /* Create output registers and variables. */ int max_outputs = util_last_bit(c->prog->info.outputs_written); c->output_regs = rzalloc_array(c, nir_register *, max_outputs); |