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[Fix, Test] (MG_Util, MG_IntegrationTest): advertise the GL 4.3 VIEWPORT_BOUNDS_RANGE floor on a GLES driver that has no such query, instead of a range admitting no origin

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swung0x48
2026-08-13 04:44:23 -04:00
parent f41403e227
commit 42ad62b54c
5 changed files with 81 additions and 9 deletions
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MobileGL/MG_State/GLState/RenderState/RenderState.h
+3 -2
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@@ -232,8 +232,9 @@ namespace MobileGL {
// (KHR-GL43.viewport_array.viewport_api compares with ==, no tolerance). glViewport's
// integers are simply one way to write it. Index 0 is what a program that never assigns
// gl_ViewportIndex rasterizes against, and what the classic glViewport /
// glGetIntegerv(GL_VIEWPORT) pair addresses; both backends consume index 0 only, rounded
// back to integers (GL_VIEWPORT_SUBPIXEL_BITS is 0, so rounding is the honest answer).
// glGetIntegerv(GL_VIEWPORT) pair addresses. Both backends rasterize the rectangle
// rounded back to integers; the STATE stays exact, which is the half the conformance
// suite checks (see the KNOWN INFIDELITY note in AdvertisedLimitsScenario.cpp).
Array<FloatVec4, MAX_VIEWPORTS> Viewports{}; // x, y, width, height
Float LineWidth = 1.0f;
Float PointSize = 1.0f;