mirror of
https://github.com/ARMSX2/ARMSX3.git
synced 2026-08-24 16:58:52 -07:00
ARMSX3: Android port of RPCS3, proof of concept
Adds an Android build of the RPCS3 core plus a Compose UI, and fixes several things that stopped it working on ARM64. Renderer: - Emit concrete bounds for runtime sized arrays in uniform blocks when VK_EXT_shader_uniform_buffer_unsized_array is missing. Adreno does not have the extension, so every game pipeline failed with VK_ERROR_UNKNOWN and only overlays drew. - Probe and request that extension properly instead of chaining its feature struct unconditionally. - Hand VMA the Vulkan function pointers it needs under VK_NO_PROTOTYPES. - Rebuild the surface and swapchain when the window is lost instead of killing the RSX thread. - Only create a GLES context when the GL renderer is actually selected. SPU: - Sum instead of taking an absolute difference in the ARM64 block verification checksum. The difference collides on the near identical job binaries an SPU job manager streams through one local store address, so a cached block could run against another job's code. Threading: - Implement thread affinity on Android using sched_setaffinity. - Add an ARM big.LITTLE core arrangement so SPU and RSX threads land on the fast cores. Misc: - Detect the host CPU for the LLVM JIT instead of pinning cortex-a34. - Fall back to the default audio device when cubeb cannot enumerate.
This commit is contained in:
jpolo1224
Executable
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#!/usr/bin/env python3
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"""Render the ARMSX3 animated boot logo and its preview assets."""
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from __future__ import annotations
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import argparse
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import math
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import subprocess
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from pathlib import Path
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import numpy as np
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from PIL import Image, ImageDraw, ImageFilter
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def clamp01(value: float) -> float:
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return max(0.0, min(1.0, value))
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def smoothstep(edge0: float, edge1: float, value: float) -> float:
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if edge0 == edge1:
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return float(value >= edge1)
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x = clamp01((value - edge0) / (edge1 - edge0))
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return x * x * (3.0 - 2.0 * x)
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def ease_out_cubic(value: float) -> float:
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x = clamp01(value)
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return 1.0 - (1.0 - x) ** 3
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def ease_out_back(value: float) -> float:
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x = clamp01(value)
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c1 = 1.70158
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c3 = c1 + 1.0
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return 1.0 + c3 * (x - 1.0) ** 3 + c1 * (x - 1.0) ** 2
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def alpha_composite_rgb(base: np.ndarray, layer: Image.Image) -> np.ndarray:
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rgba = np.asarray(layer, dtype=np.float32)
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alpha = rgba[..., 3:4] / 255.0
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return base * (1.0 - alpha) + rgba[..., :3] * alpha
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class Renderer:
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def __init__(self, source: Path, size: int, fps: int, duration: float) -> None:
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self.size = size
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self.fps = fps
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self.duration = duration
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self.source = Image.open(source).convert("RGB")
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self.logo = self._extract_logo()
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self.logo_mask = self.logo.getchannel("A")
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self.background = self._make_background()
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self.yy, self.xx = np.mgrid[0:size, 0:size].astype(np.float32)
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self.rng = np.random.default_rng(3303)
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self.particles = self._make_particles()
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def _extract_logo(self) -> Image.Image:
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src = np.asarray(self.source, dtype=np.float32)
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height, width = src.shape[:2]
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# Model the vertical purple gradient from the quiet image edges. A low
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# percentile rejects the bright XMB ribbon and particle highlights.
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edge_samples = np.concatenate((src[:, :64], src[:, width - 64 :]), axis=1)
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background_by_row = np.percentile(edge_samples, 28, axis=1)
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x0, x1 = 88, 424
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y0, y1 = 132, 372
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crop = src[y0:y1, x0:x1]
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background = background_by_row[y0:y1, None, :]
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delta = np.clip(crop - background, 0.0, 255.0)
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delta_luma = 0.30 * delta[..., 0] + 0.58 * delta[..., 1] + 0.12 * delta[..., 2]
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# The supplied mark is substantially brighter than its backdrop. Keep
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# its soft bevel/glow while rejecting the rectangular purple crop.
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alpha = np.clip((delta_luma - 24.0) / 68.0, 0.0, 1.0)
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alpha = alpha * alpha * (3.0 - 2.0 * alpha)
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alpha[alpha < 0.035] = 0.0
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# Keep the extraction tightly bounded to the supplied numeral. The
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# source ribbon continues beneath it and would otherwise reveal the
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# rectangular limits of this crop when animated over a new backdrop.
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alpha[229:, :] = 0.0
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alpha[:, :9] = 0.0
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alpha[:, 328:] = 0.0
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alpha_img = Image.fromarray(np.uint8(alpha * 255.0), "L")
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alpha_img = alpha_img.filter(ImageFilter.MaxFilter(3)).filter(ImageFilter.GaussianBlur(1.1))
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crop_img = Image.fromarray(np.uint8(np.clip(crop, 0.0, 255.0)), "RGB")
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crop_img.putalpha(alpha_img)
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return crop_img
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def _make_background(self) -> np.ndarray:
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size = self.size
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y = np.linspace(0.0, 1.0, size, dtype=np.float32)[:, None, None]
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x = np.linspace(-1.0, 1.0, size, dtype=np.float32)[None, :, None]
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top = np.array([22.0, 5.0, 42.0], dtype=np.float32)[None, None, :]
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bottom = np.array([111.0, 31.0, 226.0], dtype=np.float32)[None, None, :]
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base = top * (1.0 - y) + bottom * y
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base = np.broadcast_to(base, (size, size, 3)).copy()
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# A broad center bloom and restrained edge vignette evoke the XMB
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# backdrop without competing with the mark.
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yy, xx = np.mgrid[0:size, 0:size].astype(np.float32)
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cx, cy = size * 0.50, size * 0.60
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radius = np.sqrt(((xx - cx) / size) ** 2 + ((yy - cy) / size) ** 2)
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bloom = np.exp(-(radius / 0.48) ** 2)[..., None]
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base += bloom * np.array([24.0, 13.0, 52.0], dtype=np.float32)
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vignette = np.clip(np.abs(x) ** 1.7 * 18.0, 0.0, 18.0)
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base -= vignette
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return np.clip(base, 0.0, 255.0)
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def _make_particles(self) -> list[tuple[float, ...]]:
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particles: list[tuple[float, ...]] = []
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for _ in range(88):
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particles.append(
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(
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float(self.rng.uniform(-0.15, 1.15)),
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float(self.rng.uniform(0.025, 0.085)),
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float(self.rng.normal(0.0, 0.032)),
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float(self.rng.uniform(0.8, 2.6)),
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float(self.rng.uniform(0.0, math.tau)),
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float(self.rng.uniform(0.45, 1.0)),
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)
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)
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return particles
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def wave_y(self, x: np.ndarray | float, t: float, band: int = 0) -> np.ndarray | float:
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normalized_x = np.asarray(x) / self.size
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phase = t * (0.18 + band * 0.035)
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y = self.size * (0.625 + band * 0.018)
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y += self.size * (0.038 + band * 0.008) * np.sin(math.tau * (normalized_x * 0.72 - phase) + band * 1.15)
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y += self.size * 0.014 * np.sin(math.tau * (normalized_x * 1.55 + t * 0.09) + band * 0.7)
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return y
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def _draw_ribbons(self, t: float, opacity: float) -> Image.Image:
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size = self.size
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glow = Image.new("RGBA", (size, size), (0, 0, 0, 0))
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glow_draw = ImageDraw.Draw(glow)
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core = Image.new("RGBA", (size, size), (0, 0, 0, 0))
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core_draw = ImageDraw.Draw(core)
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colors = ((231, 217, 255), (167, 111, 255), (255, 255, 255))
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for band in range(3):
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points = []
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for x in range(-16, size + 17, 5):
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points.append((x, float(self.wave_y(x, t, band))))
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glow_alpha = int(opacity * (92 - band * 18))
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core_alpha = int(opacity * (178 - band * 25))
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glow_draw.line(points, fill=(*colors[band], glow_alpha), width=10 - band * 2, joint="curve")
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core_draw.line(points, fill=(*colors[band], core_alpha), width=max(1, 3 - band), joint="curve")
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glow = glow.filter(ImageFilter.GaussianBlur(8.0))
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return Image.alpha_composite(glow, core)
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def _draw_particles(self, t: float, opacity: float) -> Image.Image:
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size = self.size
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layer = Image.new("RGBA", (size, size), (0, 0, 0, 0))
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draw = ImageDraw.Draw(layer)
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for x0, speed, offset, radius, phase, brightness in self.particles:
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x_norm = ((x0 + speed * t) % 1.3) - 0.15
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x = x_norm * size
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y = float(self.wave_y(x, t, 0)) + offset * size
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y += math.sin(t * 1.3 + phase) * size * 0.006
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twinkle = 0.30 + 0.70 * (0.5 + 0.5 * math.sin(t * 3.4 + phase)) ** 2
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alpha = int(255 * opacity * brightness * twinkle)
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r = radius * (0.75 + 0.30 * twinkle)
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draw.ellipse((x - r, y - r, x + r, y + r), fill=(249, 239, 255, alpha))
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glow = layer.filter(ImageFilter.GaussianBlur(2.5))
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glow.putalpha(glow.getchannel("A").point(lambda a: min(180, a * 2)))
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return Image.alpha_composite(glow, layer)
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def _draw_logo_flash(self, t: float) -> Image.Image:
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"""Sweep a soft highlight over the original numeral without redrawing it."""
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progress = (t - 0.72) / 1.08
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if progress <= 0.0 or progress >= 1.0:
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return Image.new("RGBA", (self.size, self.size), (0, 0, 0, 0))
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scale = self.size / self.source.width
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mask_width = int(round(self.logo_mask.width * scale))
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mask_height = int(round(self.logo_mask.height * scale))
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mask = self.logo_mask.resize((mask_width, mask_height), Image.Resampling.LANCZOS)
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local_x = np.arange(mask_width, dtype=np.float32)[None, :]
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local_y = np.arange(mask_height, dtype=np.float32)[:, None]
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center = (-0.28 + progress * 1.62) * mask_width
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stripe = np.exp(-((local_x + local_y * 0.36 - center) / (mask_width * 0.052)) ** 2)
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envelope = math.sin(math.pi * progress) ** 0.65
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mask_np = np.asarray(mask, dtype=np.float32) / 255.0
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stripe_alpha = np.uint8(np.clip(stripe * mask_np * envelope * 178.0, 0.0, 255.0))
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flash = Image.new("RGBA", (mask_width, mask_height), (255, 250, 255, 0))
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flash.putalpha(Image.fromarray(stripe_alpha, "L").filter(ImageFilter.GaussianBlur(1.4 * scale)))
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glow = flash.filter(ImageFilter.GaussianBlur(5.5 * scale))
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glow.putalpha(glow.getchannel("A").point(lambda a: min(150, int(a * 1.25))))
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layer = Image.new("RGBA", (self.size, self.size), (0, 0, 0, 0))
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x = int(round(88 * scale))
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y = int(round(132 * scale))
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layer.alpha_composite(glow, (x, y))
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layer.alpha_composite(flash, (x, y))
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return layer
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def _logo_layer(self, t: float, opacity: float) -> Image.Image:
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size = self.size
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progress = clamp01((t - 0.42) / 0.95)
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settle = ease_out_back(progress)
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scale = 0.72 + 0.28 * settle
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scale *= 1.0 + 0.006 * math.sin(max(0.0, t - 1.35) * 1.55) * math.exp(-max(0.0, t - 1.35) * 0.65)
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target_width = int(size * 0.635 * scale)
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target_height = max(1, int(target_width * self.logo.height / self.logo.width))
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logo = self.logo.resize((target_width, target_height), Image.Resampling.LANCZOS)
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blur_radius = (1.0 - ease_out_cubic(progress)) * 18.0
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if blur_radius > 0.2:
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logo = logo.filter(ImageFilter.GaussianBlur(blur_radius))
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logo_alpha = logo.getchannel("A").point(lambda a: int(a * opacity))
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logo.putalpha(logo_alpha)
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x = (size - target_width) // 2
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y = int(size * 0.49 - target_height * 0.50)
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# A subtle depth shadow makes the bevel read when the ribbons pass
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# behind it.
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shadow_mask = logo_alpha.filter(ImageFilter.GaussianBlur(7.0))
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shadow = Image.new("RGBA", (size, size), (0, 0, 0, 0))
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shadow_stamp = Image.new("RGBA", logo.size, (12, 3, 30, 0))
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shadow_stamp.putalpha(shadow_mask.point(lambda a: int(a * 0.33)))
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shadow.alpha_composite(shadow_stamp, (x + 4, y + 10))
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result = shadow
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result.alpha_composite(logo, (x, y))
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# A diagonal glint traverses only the mark during its final lock-in.
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glint_progress = clamp01((t - 1.18) / 0.90)
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if 0.0 < glint_progress < 1.0:
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local_x = np.arange(target_width, dtype=np.float32)[None, :]
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local_y = np.arange(target_height, dtype=np.float32)[:, None]
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center = (-0.32 + glint_progress * 1.65) * target_width
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stripe = np.exp(-((local_x + local_y * 0.38 - center) / (target_width * 0.055)) ** 2)
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alpha_np = np.asarray(logo_alpha, dtype=np.float32) / 255.0
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stripe_alpha = np.uint8(np.clip(stripe * alpha_np * 132.0, 0.0, 255.0))
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glint = Image.new("RGBA", (target_width, target_height), (255, 250, 255, 0))
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glint.putalpha(Image.fromarray(stripe_alpha, "L").filter(ImageFilter.GaussianBlur(1.2)))
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result.alpha_composite(glint, (x, y))
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return result
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def frame(self, t: float) -> Image.Image:
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# Keep the supplied artwork completely intact. Only the XMB ribbon
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# and its particles move; there is no logo extraction, reveal, scale,
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# or fade layer that can introduce seams through the numeral.
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source_frame = self.source.resize((self.size, self.size), Image.Resampling.LANCZOS)
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bg = np.asarray(source_frame, dtype=np.float32).copy()
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ribbon = self._draw_ribbons(t, 0.72)
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bg = alpha_composite_rgb(bg, ribbon)
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particles = self._draw_particles(t, 0.78)
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bg = alpha_composite_rgb(bg, particles)
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flash = self._draw_logo_flash(t)
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bg = alpha_composite_rgb(bg, flash)
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return Image.fromarray(np.uint8(np.clip(bg, 0.0, 255.0)), "RGB")
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def render_video(renderer: Renderer, ffmpeg: Path, output: Path, output_size: int) -> None:
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output.parent.mkdir(parents=True, exist_ok=True)
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command = [
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str(ffmpeg),
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"-hide_banner",
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"-loglevel",
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"error",
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"-f",
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"rawvideo",
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"-pix_fmt",
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"rgb24",
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"-s",
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f"{renderer.size}x{renderer.size}",
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"-r",
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str(renderer.fps),
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"-i",
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"-",
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"-an",
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"-vf",
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f"scale={output_size}:{output_size}:flags=lanczos",
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"-c:v",
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"libx264",
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"-preset",
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"slow",
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"-crf",
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"17",
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"-pix_fmt",
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"yuv420p",
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"-movflags",
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"+faststart",
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"-y",
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str(output),
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]
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process = subprocess.Popen(command, stdin=subprocess.PIPE)
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assert process.stdin is not None
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total_frames = int(round(renderer.duration * renderer.fps))
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try:
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for frame_index in range(total_frames):
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t = frame_index / renderer.fps
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process.stdin.write(renderer.frame(t).tobytes())
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finally:
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process.stdin.close()
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if process.wait() != 0:
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raise RuntimeError("ffmpeg failed while encoding the boot animation")
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def render_preview(ffmpeg: Path, video: Path, output: Path) -> None:
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filter_graph = (
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"fps=12,scale=640:640:flags=lanczos,split[s0][s1];"
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"[s0]palettegen=max_colors=192:stats_mode=diff[p];"
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"[s1][p]paletteuse=dither=bayer:bayer_scale=3"
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)
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subprocess.run(
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[
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str(ffmpeg),
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"-hide_banner",
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"-loglevel",
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"error",
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"-i",
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str(video),
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"-lavfi",
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filter_graph,
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"-loop",
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"0",
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"-y",
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str(output),
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],
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check=True,
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)
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def main() -> None:
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parser = argparse.ArgumentParser()
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parser.add_argument("--source", required=True, type=Path)
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parser.add_argument("--output-dir", required=True, type=Path)
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parser.add_argument("--ffmpeg", required=True, type=Path)
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parser.add_argument("--render-size", type=int, default=640)
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parser.add_argument("--output-size", type=int, default=1280)
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parser.add_argument("--fps", type=int, default=30)
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parser.add_argument("--duration", type=float, default=5.0)
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args = parser.parse_args()
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args.output_dir.mkdir(parents=True, exist_ok=True)
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renderer = Renderer(args.source, args.render_size, args.fps, args.duration)
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video = args.output_dir / "armsx3-boot-xmb.mp4"
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poster = args.output_dir / "armsx3-boot-xmb-poster.png"
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preview = args.output_dir / "armsx3-boot-xmb-preview.gif"
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render_video(renderer, args.ffmpeg, video, args.output_size)
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final_frame = renderer.frame(args.duration - 1.0 / args.fps)
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final_frame.resize((args.output_size, args.output_size), Image.Resampling.LANCZOS).save(poster)
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render_preview(args.ffmpeg, video, preview)
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print(video)
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print(poster)
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print(preview)
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if __name__ == "__main__":
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main()
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