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[Fix, Test] (TextureFormatProcessor, DirectGLES, MG_IntegrationTest): give every unrenderable signed-normalized colour attachment an exact float substitute

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swung0x48
2026-08-20 17:17:31 -04:00
parent 6aa161fee7
commit 8b827bd2ce
8 changed files with 458 additions and 21 deletions
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MobileGL/MG_Util/SelfTest/DriverPost.cpp
+3 -2
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@@ -558,8 +558,9 @@ namespace MobileGL::MG_Util::SelfTest {
} else {
builder.Warn("GL_EXT_render_snorm",
"not supported; signed-normalized formats are texture-only, so every SNORM "
"render target is stored as a float (GL_RGBA8_SNORM/GL_RGB8_SNORM -> "
"GL_RGBA16F) and its fragment outputs are clamped to [-1,1] in software");
"render target is stored as a float (8-bit -> *16F, 16-bit -> *32F, which "
"is the narrowest float that still holds a 16-bit SNORM channel exactly) "
"and its fragment outputs are clamped to [-1,1] in software");
}
// FAIL, not WARN: ES 3.x core makes every float format texture-only, and every Iris
// shaderpack renders into at least GL_R11F_G11F_B10F (Complementary's colortex0, BSL's