diff options
-rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 25 | ||||
-rw-r--r-- | src/gallium/drivers/vc4/vc4_qir.h | 7 |
2 files changed, 30 insertions, 2 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index 4a3a277a9fb..fb1726c0d1e 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -33,8 +33,9 @@ #include "tgsi/tgsi_info.h" #include "tgsi/tgsi_lowering.h" #include "tgsi/tgsi_parse.h" +#include "glsl/nir/nir.h" +#include "glsl/nir/nir_builder.h" #include "nir/tgsi_to_nir.h" - #include "vc4_context.h" #include "vc4_qpu.h" #include "vc4_qir.h" @@ -109,6 +110,19 @@ indirect_uniform_load(struct vc4_compile *c, nir_intrinsic_instr *intr) return qir_TEX_RESULT(c); } +nir_ssa_def *vc4_nir_get_state_uniform(struct nir_builder *b, + enum quniform_contents contents) +{ + nir_intrinsic_instr *intr = + nir_intrinsic_instr_create(b->shader, + nir_intrinsic_load_uniform); + intr->const_index[0] = VC4_NIR_STATE_UNIFORM_OFFSET + contents; + intr->num_components = 1; + nir_ssa_dest_init(&intr->instr, &intr->dest, 1, NULL); + nir_builder_instr_insert(b, &intr->instr); + return &intr->dest.ssa; +} + static struct qreg * ntq_init_ssa_def(struct vc4_compile *c, nir_ssa_def *def) { @@ -1808,7 +1822,14 @@ ntq_emit_intrinsic(struct vc4_compile *c, nir_intrinsic_instr *instr) switch (instr->intrinsic) { case nir_intrinsic_load_uniform: assert(instr->num_components == 1); - *dest = qir_uniform(c, QUNIFORM_UNIFORM, instr->const_index[0]); + if (instr->const_index[0] < VC4_NIR_STATE_UNIFORM_OFFSET) { + *dest = qir_uniform(c, QUNIFORM_UNIFORM, + instr->const_index[0]); + } else { + *dest = qir_uniform(c, instr->const_index[0] - + VC4_NIR_STATE_UNIFORM_OFFSET, + 0); + } break; case nir_intrinsic_load_uniform_indirect: diff --git a/src/gallium/drivers/vc4/vc4_qir.h b/src/gallium/drivers/vc4/vc4_qir.h index 7a74018d9af..57e25de1b94 100644 --- a/src/gallium/drivers/vc4/vc4_qir.h +++ b/src/gallium/drivers/vc4/vc4_qir.h @@ -414,6 +414,11 @@ struct vc4_compile { uint32_t variant_id; }; +/* Special offset for nir_load_uniform values to get a QUNIFORM_* + * state-dependent value. + */ +#define VC4_NIR_STATE_UNIFORM_OFFSET 2000000000 + struct vc4_compile *qir_compile_init(void); void qir_compile_destroy(struct vc4_compile *c); struct qinst *qir_inst(enum qop op, struct qreg dst, @@ -454,6 +459,8 @@ bool qir_opt_dead_code(struct vc4_compile *c); bool qir_opt_small_immediates(struct vc4_compile *c); bool qir_opt_vpm_writes(struct vc4_compile *c); void vc4_nir_lower_io(struct vc4_compile *c); +nir_ssa_def *vc4_nir_get_state_uniform(struct nir_builder *b, + enum quniform_contents contents); void qir_lower_uniforms(struct vc4_compile *c); void qpu_schedule_instructions(struct vc4_compile *c); |