[Mesa-dev] [PATCH 1/7] i965: Make a helper for finding an existing shader variant.
Eduardo Lima Mitev
elima at igalia.com
Tue Jan 17 07:39:31 UTC 2017
Nice one :)
Reviewed-by: Eduardo Lima Mitev <elima at igalia.com>
On 01/17/2017 08:14 AM, Kenneth Graunke wrote:
> We had five copies of the same "walk the cache and look for an
> existing shader variant for this program" code. Now we have one
> helper function that returns the key.
>
> Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
> ---
> src/mesa/drivers/dri/i965/brw_gs.c | 22 ++++------------
> src/mesa/drivers/dri/i965/brw_program_cache.c | 38 +++++++++++++++++++++++++++
> src/mesa/drivers/dri/i965/brw_state.h | 5 ++++
> src/mesa/drivers/dri/i965/brw_tcs.c | 22 ++++------------
> src/mesa/drivers/dri/i965/brw_tes.c | 22 ++++------------
> src/mesa/drivers/dri/i965/brw_vs.c | 22 ++++------------
> src/mesa/drivers/dri/i965/brw_wm.c | 22 ++++------------
> 7 files changed, 68 insertions(+), 85 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_gs.c b/src/mesa/drivers/dri/i965/brw_gs.c
> index b7fb9f9c1ea..299620311a5 100644
> --- a/src/mesa/drivers/dri/i965/brw_gs.c
> +++ b/src/mesa/drivers/dri/i965/brw_gs.c
> @@ -40,26 +40,14 @@ static void
> brw_gs_debug_recompile(struct brw_context *brw, struct gl_program *prog,
> const struct brw_gs_prog_key *key)
> {
> - struct brw_cache_item *c = NULL;
> - const struct brw_gs_prog_key *old_key = NULL;
> - bool found = false;
> -
> perf_debug("Recompiling geometry shader for program %d\n", prog->Id);
>
> - for (unsigned int i = 0; i < brw->cache.size; i++) {
> - for (c = brw->cache.items[i]; c; c = c->next) {
> - if (c->cache_id == BRW_CACHE_GS_PROG) {
> - old_key = c->key;
> -
> - if (old_key->program_string_id == key->program_string_id)
> - break;
> - }
> - }
> - if (c)
> - break;
> - }
> + bool found = false;
> + const struct brw_gs_prog_key *old_key =
> + brw_find_previous_compile(&brw->cache, BRW_CACHE_GS_PROG,
> + key->program_string_id);
>
> - if (!c) {
> + if (!old_key) {
> perf_debug(" Didn't find previous compile in the shader cache for "
> "debug\n");
> return;
> diff --git a/src/mesa/drivers/dri/i965/brw_program_cache.c b/src/mesa/drivers/dri/i965/brw_program_cache.c
> index 3947904ac50..3d95372bc0e 100644
> --- a/src/mesa/drivers/dri/i965/brw_program_cache.c
> +++ b/src/mesa/drivers/dri/i965/brw_program_cache.c
> @@ -55,6 +55,27 @@
>
> #define FILE_DEBUG_FLAG DEBUG_STATE
>
> +static unsigned
> +get_program_string_id(enum brw_cache_id cache_id, const void *key)
> +{
> + switch (cache_id) {
> + case BRW_CACHE_VS_PROG:
> + return ((struct brw_vs_prog_key *) key)->program_string_id;
> + case BRW_CACHE_TCS_PROG:
> + return ((struct brw_tcs_prog_key *) key)->program_string_id;
> + case BRW_CACHE_TES_PROG:
> + return ((struct brw_tes_prog_key *) key)->program_string_id;
> + case BRW_CACHE_GS_PROG:
> + return ((struct brw_gs_prog_key *) key)->program_string_id;
> + case BRW_CACHE_CS_PROG:
> + return ((struct brw_cs_prog_key *) key)->program_string_id;
> + case BRW_CACHE_FS_PROG:
> + return ((struct brw_wm_prog_key *) key)->program_string_id;
> + default:
> + unreachable("no program string id for this kind of program");
> + }
> +}
> +
> static GLuint
> hash_key(struct brw_cache_item *item)
> {
> @@ -268,6 +289,23 @@ brw_alloc_item_data(struct brw_cache *cache, uint32_t size)
> return offset;
> }
>
> +const void *
> +brw_find_previous_compile(struct brw_cache *cache,
> + enum brw_cache_id cache_id,
> + unsigned program_string_id)
> +{
> + for (unsigned i = 0; i < cache->size; i++) {
> + for (struct brw_cache_item *c = cache->items[i]; c; c = c->next) {
> + if (c->cache_id == cache_id &&
> + get_program_string_id(cache_id, c->key) == program_string_id) {
> + return c->key;
> + }
> + }
> + }
> +
> + return NULL;
> +}
> +
> void
> brw_upload_cache(struct brw_cache *cache,
> enum brw_cache_id cache_id,
> diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h
> index 176557b7c45..bd82212be4d 100644
> --- a/src/mesa/drivers/dri/i965/brw_state.h
> +++ b/src/mesa/drivers/dri/i965/brw_state.h
> @@ -235,6 +235,11 @@ bool brw_search_cache(struct brw_cache *cache,
> const void *key,
> GLuint key_size,
> uint32_t *inout_offset, void *inout_aux);
> +
> +const void *brw_find_previous_compile(struct brw_cache *cache,
> + enum brw_cache_id cache_id,
> + unsigned program_string_id);
> +
> void brw_program_cache_check_size(struct brw_context *brw);
>
> void brw_init_caches( struct brw_context *brw );
> diff --git a/src/mesa/drivers/dri/i965/brw_tcs.c b/src/mesa/drivers/dri/i965/brw_tcs.c
> index 78ad257e3b9..bbba7496fa6 100644
> --- a/src/mesa/drivers/dri/i965/brw_tcs.c
> +++ b/src/mesa/drivers/dri/i965/brw_tcs.c
> @@ -120,27 +120,15 @@ static void
> brw_tcs_debug_recompile(struct brw_context *brw, struct gl_program *prog,
> const struct brw_tcs_prog_key *key)
> {
> - struct brw_cache_item *c = NULL;
> - const struct brw_tcs_prog_key *old_key = NULL;
> - bool found = false;
> -
> perf_debug("Recompiling tessellation control shader for program %d\n",
> prog->Id);
>
> - for (unsigned int i = 0; i < brw->cache.size; i++) {
> - for (c = brw->cache.items[i]; c; c = c->next) {
> - if (c->cache_id == BRW_CACHE_TCS_PROG) {
> - old_key = c->key;
> -
> - if (old_key->program_string_id == key->program_string_id)
> - break;
> - }
> - }
> - if (c)
> - break;
> - }
> + bool found = false;
> + const struct brw_tcs_prog_key *old_key =
> + brw_find_previous_compile(&brw->cache, BRW_CACHE_TCS_PROG,
> + key->program_string_id);
>
> - if (!c) {
> + if (!old_key) {
> perf_debug(" Didn't find previous compile in the shader cache for "
> "debug\n");
> return;
> diff --git a/src/mesa/drivers/dri/i965/brw_tes.c b/src/mesa/drivers/dri/i965/brw_tes.c
> index 57dcda7140a..cb12b9c5a69 100644
> --- a/src/mesa/drivers/dri/i965/brw_tes.c
> +++ b/src/mesa/drivers/dri/i965/brw_tes.c
> @@ -38,27 +38,15 @@ static void
> brw_tes_debug_recompile(struct brw_context *brw, struct gl_program *prog,
> const struct brw_tes_prog_key *key)
> {
> - struct brw_cache_item *c = NULL;
> - const struct brw_tes_prog_key *old_key = NULL;
> - bool found = false;
> -
> perf_debug("Recompiling tessellation evaluation shader for program %d\n",
> prog->Id);
>
> - for (unsigned int i = 0; i < brw->cache.size; i++) {
> - for (c = brw->cache.items[i]; c; c = c->next) {
> - if (c->cache_id == BRW_CACHE_TES_PROG) {
> - old_key = c->key;
> -
> - if (old_key->program_string_id == key->program_string_id)
> - break;
> - }
> - }
> - if (c)
> - break;
> - }
> + bool found = false;
> + const struct brw_tes_prog_key *old_key =
> + brw_find_previous_compile(&brw->cache, BRW_CACHE_TES_PROG,
> + key->program_string_id);
>
> - if (!c) {
> + if (!old_key) {
> perf_debug(" Didn't find previous compile in the shader cache for "
> "debug\n");
> return;
> diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c
> index afb1f203308..5d199393181 100644
> --- a/src/mesa/drivers/dri/i965/brw_vs.c
> +++ b/src/mesa/drivers/dri/i965/brw_vs.c
> @@ -88,26 +88,14 @@ static void
> brw_vs_debug_recompile(struct brw_context *brw, struct gl_program *prog,
> const struct brw_vs_prog_key *key)
> {
> - struct brw_cache_item *c = NULL;
> - const struct brw_vs_prog_key *old_key = NULL;
> - bool found = false;
> -
> perf_debug("Recompiling vertex shader for program %d\n", prog->Id);
>
> - for (unsigned int i = 0; i < brw->cache.size; i++) {
> - for (c = brw->cache.items[i]; c; c = c->next) {
> - if (c->cache_id == BRW_CACHE_VS_PROG) {
> - old_key = c->key;
> -
> - if (old_key->program_string_id == key->program_string_id)
> - break;
> - }
> - }
> - if (c)
> - break;
> - }
> + bool found = false;
> + const struct brw_vs_prog_key *old_key =
> + brw_find_previous_compile(&brw->cache, BRW_CACHE_VS_PROG,
> + key->program_string_id);
>
> - if (!c) {
> + if (!old_key) {
> perf_debug(" Didn't find previous compile in the shader cache for "
> "debug\n");
> return;
> diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
> index bd2b24a3bfa..a774720202a 100644
> --- a/src/mesa/drivers/dri/i965/brw_wm.c
> +++ b/src/mesa/drivers/dri/i965/brw_wm.c
> @@ -70,26 +70,14 @@ static void
> brw_wm_debug_recompile(struct brw_context *brw, struct gl_program *prog,
> const struct brw_wm_prog_key *key)
> {
> - struct brw_cache_item *c = NULL;
> - const struct brw_wm_prog_key *old_key = NULL;
> - bool found = false;
> -
> perf_debug("Recompiling fragment shader for program %d\n", prog->Id);
>
> - for (unsigned int i = 0; i < brw->cache.size; i++) {
> - for (c = brw->cache.items[i]; c; c = c->next) {
> - if (c->cache_id == BRW_CACHE_FS_PROG) {
> - old_key = c->key;
> -
> - if (old_key->program_string_id == key->program_string_id)
> - break;
> - }
> - }
> - if (c)
> - break;
> - }
> + bool found = false;
> + const struct brw_wm_prog_key *old_key =
> + brw_find_previous_compile(&brw->cache, BRW_CACHE_FS_PROG,
> + key->program_string_id);
>
> - if (!c) {
> + if (!old_key) {
> perf_debug(" Didn't find previous compile in the shader cache for debug\n");
> return;
> }
>
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