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Elide repeated idempotent material commands in the render queue

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Shokunin
2026-10-21 10:29:55 -07:00
parent 71060d4143
commit e35fa8d223
2 changed files with 42 additions and 0 deletions
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runtime/src/gpu_gl_renderer.c
+32
View File
@@ -11301,7 +11301,15 @@ static uint64_t s_rth_presents = 0, s_rth_presents_stale = 0;
#define RTHF_TAGGED 0x0002u
#define RTHF_BD_SHIFT 2 /* bits 2-3: psx_ws_prim_in_backdrop() 0..3 */
/* Producer-owned values last published for idempotent material setters.
* Context handoff and stream barriers invalidate them. Area/offset setters
* deliberately flush primitive batches, so they must never be elided. */
static int32_t s_rth_material[4][4];
static unsigned s_rth_material_valid;
static uint8_t s_rth_material_n[4];
static void rth_mirror_resync(void) {
s_rth_material_valid = 0;
s_rthm_scale = s_out_scale;
s_rthm_wide_w = g_wide_w;
s_rthm_wide_off = g_wide_off;
@@ -11334,10 +11342,33 @@ static int rth_mirror_wide_present_ok(int base_x) {
}
static int rth_rec_ints(uint16_t op, uint16_t flags, int n, const int32_t *v) {
static int cache = -1;
if (cache < 0) {
const char *e = getenv("PSX_GL_RECORD_STATE_CACHE");
cache = !(e && e[0] == '0');
}
int material = -1;
if (cache && !flags && op >= RTH_SEMI && op <= RTH_MOD && n > 0 && n <= 4) {
material = op - RTH_SEMI;
if ((s_rth_material_valid & (1u << material)) &&
s_rth_material_n[material] == n &&
!memcmp(s_rth_material[material], v, (size_t)n * 4u))
return 1;
} else if (op != RTH_PRECISE && op != RTH_PERSP && op != RTH_DEPTH &&
op != RTH_PROJ_TRI && op != RTH_WIDE_RECOVERY &&
op != RTH_AREA && op != RTH_OFFSET &&
!(op >= RTH_FLAT_TRI && op <= RTH_SHADED_LINE)) {
s_rth_material_valid = 0;
}
int32_t *p = (int32_t *)rt_cmd_begin(op, flags, (uint32_t)n * 4u);
if (!p) return 0;
memcpy(p, v, (size_t)n * 4u);
rt_cmd_commit();
if (material >= 0) {
memcpy(s_rth_material[material], v, (size_t)n * 4u);
s_rth_material_n[material] = (uint8_t)n;
s_rth_material_valid |= 1u << material;
}
return 1;
}
@@ -11422,6 +11453,7 @@ typedef struct RthOvHdr {
} RthOvHdr;
static int rth_record_present(uint16_t op, int n, const int32_t *v) {
s_rth_material_valid = 0; /* presentation may replay historical material */
const uint32_t *px[4] = { NULL, NULL, NULL, NULL };
int w[4] = { 0 }, h[4] = { 0 };
RthOvHdr hd;
runtime/tests/test_gl_render_thread.c
+10
View File
@@ -316,6 +316,16 @@ int main(int argc, char **argv) {
if (threaded) {
check(gl_renderer_render_thread_start(2) == 1, "render thread started");
check(gl_renderer_render_thread_active(), "render thread active");
gr_set_semi_transparency(0, 0); gr_set_mask_bits(0, 0);
gr_set_texture_window(0); gr_set_color_modulation(128, 128, 128, 0);
RtStats before, after;
rt_get_stats(&before);
gr_set_semi_transparency(0, 0); gr_set_mask_bits(0, 0);
gr_set_texture_window(0); gr_set_color_modulation(128, 128, 128, 0);
rt_get_stats(&after);
const char *cache = getenv("PSX_GL_RECORD_STATE_CACHE");
check(after.records - before.records == (cache && cache[0] == '0' ? 4u : 0u),
"identical material state records only with cache disabled");
}
if (dynres) {
check(gl_renderer_dynamic_resolution_ceiling() == scale, "dynres ceiling");