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-rw-r--r--src/mesa/state_tracker/st_cb_program.c2
-rw-r--r--src/mesa/state_tracker/st_program.c48
-rw-r--r--src/mesa/state_tracker/st_program.h3
-rw-r--r--src/mesa/state_tracker/st_shader_cache.c27
4 files changed, 69 insertions, 11 deletions
diff --git a/src/mesa/state_tracker/st_cb_program.c b/src/mesa/state_tracker/st_cb_program.c
index 3a62212cce7..218297390ce 100644
--- a/src/mesa/state_tracker/st_cb_program.c
+++ b/src/mesa/state_tracker/st_cb_program.c
@@ -97,6 +97,8 @@ st_delete_program(struct gl_context *ctx, struct gl_program *prog)
if (stp->glsl_to_tgsi)
free_glsl_to_tgsi_visitor(stp->glsl_to_tgsi);
+ free(stp->nir_binary);
+
/* delete base class */
_mesa_delete_program( ctx, prog );
}
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 12061ed91f1..5b0cc4a6a36 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -40,7 +40,7 @@
#include "program/prog_to_nir.h"
#include "program/programopt.h"
-#include "compiler/nir/nir.h"
+#include "compiler/nir/nir_serialize.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
@@ -664,6 +664,20 @@ st_translate_vertex_program(struct st_context *st,
return stp->state.tokens != NULL;
}
+static struct nir_shader *
+get_nir_shader(struct st_context *st, struct st_program *stp)
+{
+ if (stp->state.ir.nir)
+ return nir_shader_clone(NULL, stp->state.ir.nir);
+
+ struct blob_reader blob_reader;
+ const struct nir_shader_compiler_options *options =
+ st->ctx->Const.ShaderCompilerOptions[stp->Base.info.stage].NirOptions;
+
+ blob_reader_init(&blob_reader, stp->nir_binary, stp->nir_size);
+ return nir_deserialize(NULL, options, &blob_reader);
+}
+
static const gl_state_index16 depth_range_state[STATE_LENGTH] =
{ STATE_DEPTH_RANGE };
@@ -690,7 +704,7 @@ st_create_vp_variant(struct st_context *st,
bool finalize = false;
state.type = PIPE_SHADER_IR_NIR;
- state.ir.nir = nir_shader_clone(NULL, stvp->state.ir.nir);
+ state.ir.nir = get_nir_shader(st, stvp);
if (key->clamp_color) {
NIR_PASS_V(state.ir.nir, nir_lower_clamp_color_outputs);
finalize = true;
@@ -1246,7 +1260,7 @@ st_create_fp_variant(struct st_context *st,
bool finalize = false;
state.type = PIPE_SHADER_IR_NIR;
- state.ir.nir = nir_shader_clone(NULL, stfp->state.ir.nir);
+ state.ir.nir = get_nir_shader(st, stfp);
if (key->clamp_color) {
NIR_PASS_V(state.ir.nir, nir_lower_clamp_color_outputs);
@@ -1770,7 +1784,7 @@ st_get_common_variant(struct st_context *st,
bool finalize = false;
state.type = PIPE_SHADER_IR_NIR;
- state.ir.nir = nir_shader_clone(NULL, prog->state.ir.nir);
+ state.ir.nir = get_nir_shader(st, prog);
if (key->clamp_color) {
NIR_PASS_V(state.ir.nir, nir_lower_clamp_color_outputs);
@@ -2057,11 +2071,13 @@ st_precompile_shader_variant(struct st_context *st,
void
st_finalize_program(struct st_context *st, struct gl_program *prog)
{
+ struct st_program *stp = (struct st_program *)prog;
+
if (st->current_program[prog->info.stage] == prog) {
if (prog->info.stage == MESA_SHADER_VERTEX)
- st->dirty |= ST_NEW_VERTEX_PROGRAM(st, (struct st_program *)prog);
+ st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stp);
else
- st->dirty |= ((struct st_program *)prog)->affected_states;
+ st->dirty |= stp->affected_states;
}
if (prog->nir)
@@ -2071,4 +2087,24 @@ st_finalize_program(struct st_context *st, struct gl_program *prog)
if (ST_DEBUG & DEBUG_PRECOMPILE ||
st->shader_has_one_variant[prog->info.stage])
st_precompile_shader_variant(st, prog);
+
+ /* Additional shader variants are always generated from serialized NIR
+ * to save memory.
+ */
+ if (prog->nir) {
+ /* Serialize NIR. */
+ struct blob blob;
+ blob_init(&blob);
+ nir_serialize(&blob, prog->nir, false);
+ stp->nir_binary = malloc(blob.size);
+ memcpy(stp->nir_binary, blob.data, blob.size);
+ stp->nir_size = blob.size;
+ blob_finish(&blob);
+
+ /* Free NIR. */
+ assert(stp->state.ir.nir == prog->nir);
+ ralloc_free(prog->nir);
+ prog->nir = NULL;
+ stp->state.ir.nir = NULL;
+ }
}
diff --git a/src/mesa/state_tracker/st_program.h b/src/mesa/state_tracker/st_program.h
index 9ad23235bcb..cb085d18bd7 100644
--- a/src/mesa/state_tracker/st_program.h
+++ b/src/mesa/state_tracker/st_program.h
@@ -243,6 +243,9 @@ struct st_program
struct ati_fragment_shader *ati_fs;
uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */
+ void *nir_binary;
+ unsigned nir_size;
+
/* used when bypassing glsl_to_tgsi: */
struct gl_shader_program *shader_program;
diff --git a/src/mesa/state_tracker/st_shader_cache.c b/src/mesa/state_tracker/st_shader_cache.c
index b777e8dcbba..474ab4e1a0e 100644
--- a/src/mesa/state_tracker/st_shader_cache.c
+++ b/src/mesa/state_tracker/st_shader_cache.c
@@ -70,7 +70,20 @@ write_tgsi_to_cache(struct blob *blob, const struct tgsi_token *tokens,
static void
write_nir_to_cache(struct blob *blob, struct gl_program *prog)
{
- nir_serialize(blob, prog->nir, false);
+ if (prog->nir) {
+ /* Reserve intptr_t to store the size. intptr_t is also the alignment
+ * of NIR in the blob, so the NIR size computation will be trivial.
+ */
+ size_t offset = blob_reserve_intptr(blob);
+ nir_serialize(blob, prog->nir, false);
+
+ unsigned nir_size = blob->size - offset - sizeof(intptr_t);
+ *(uintptr_t *)(blob->data + offset) = nir_size;
+ } else {
+ struct st_program *stp = (struct st_program *)prog;
+ blob_write_intptr(blob, stp->nir_size);
+ blob_write_bytes(blob, stp->nir_binary, stp->nir_size);
+ }
copy_blob_to_driver_cache_blob(blob, prog);
}
@@ -161,8 +174,6 @@ st_deserialise_ir_program(struct gl_context *ctx,
struct st_context *st = st_context(ctx);
size_t size = prog->driver_cache_blob_size;
uint8_t *buffer = (uint8_t *) prog->driver_cache_blob;
- const struct nir_shader_compiler_options *options =
- ctx->Const.ShaderCompilerOptions[prog->info.stage].NirOptions;
st_set_prog_affected_state_flags(prog);
_mesa_associate_uniform_storage(ctx, shProg, prog);
@@ -196,10 +207,16 @@ st_deserialise_ir_program(struct gl_context *ctx,
read_stream_out_from_cache(&blob_reader, &stp->state);
if (nir) {
+ assert(prog->nir == NULL);
+ assert(stp->state.ir.nir == NULL);
+ assert(stp->nir_binary == NULL);
+
+ /* The remainder of the binary is NIR. */
stp->state.type = PIPE_SHADER_IR_NIR;
- stp->state.ir.nir = nir_deserialize(NULL, options, &blob_reader);
+ stp->nir_size = blob_read_intptr(&blob_reader);
+ stp->nir_binary = malloc(stp->nir_size);
+ blob_copy_bytes(&blob_reader, stp->nir_binary, stp->nir_size);
stp->shader_program = shProg;
- prog->nir = stp->state.ir.nir;
} else {
read_tgsi_from_cache(&blob_reader, &stp->state.tokens);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 07:30:33 +0000