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[Feat, Fix, Test] (MG_State, MG_Impl, MG_Backend, MG_Test): give ARB_viewport_array real 16-element indexed state instead of eight stubs and a viewport-0 echo

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swung0x48
2026-08-13 04:44:23 -04:00
parent 92d8f7269b
commit 5fbb17f6b9
11 changed files with 1091 additions and 111 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+16 -14
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@@ -335,19 +335,19 @@ namespace MobileGL::MG_Backend::DirectVulkan {
// Complete input inventory of ApplyDynamicDrawStateTail, one line per reader
// (each accessor it replaces is a verified plain field read of the same
// RenderStateParameters field - RenderState.cpp):
// ApplyGLViewportState : Viewport, DepthRange, + extent/isDefaultFbo/preTransform
// ApplyGLViewportState : Viewports[0], DepthRanges[0], + extent/isDefaultFbo/preTransform
// ApplyBlendConstants : BlendColor
// ApplyPolygonOffsetState : PolygonOffsetUnits, PolygonOffsetFactor
// ApplyLineWidthState : LineWidth (see the caveat below)
// ApplyStencilState : StencilStates[0..1].{ValueMask, WriteMask, Ref}
// scissor rect : ScissorTestEnabled, ScissorBox,
// scissor rect : ScissorTestEnabledMask bit 0, ScissorBoxes[0],
// + extent/isDefaultFbo/preTransform
// Caveat, unchanged from the version-only gate: ApplyLineWidthState also clamps
// to the ACTIVE BACKEND OBJECT's aliased line-width range. Those are device
// limits queried once at backend init and constant for the renderer's lifetime,
// so they are not part of the key (the version gate never covered them either).
struct DynamicTailKey {
Int viewport[4] = {0, 0, 0, 0};
Float viewport[4] = {0.0f, 0.0f, 0.0f, 0.0f};
Float depthRange[2] = {0.0f, 0.0f};
Float blendColor[4] = {0.0f, 0.0f, 0.0f, 0.0f};
Float polygonOffsetFactor = 0.0f;
@@ -5342,12 +5342,14 @@ void main() {
DynamicStateShadow::DynamicTailKey key;
{
const RenderStateParameters& p = MG_State::pGLContext->GetRenderStateParameters();
key.viewport[0] = p.Viewport.x();
key.viewport[1] = p.Viewport.y();
key.viewport[2] = p.Viewport.z();
key.viewport[3] = p.Viewport.w();
key.depthRange[0] = p.DepthRange.x();
key.depthRange[1] = p.DepthRange.y();
// Viewport 0 and its depth range: ApplyGLViewportState reads exactly those two
// (per-index state for indices > 0 is keyed separately, see multiViewportKey below).
key.viewport[0] = p.Viewports[0].x();
key.viewport[1] = p.Viewports[0].y();
key.viewport[2] = p.Viewports[0].z();
key.viewport[3] = p.Viewports[0].w();
key.depthRange[0] = p.DepthRanges[0].x();
key.depthRange[1] = p.DepthRanges[0].y();
key.blendColor[0] = p.BlendColor.x();
key.blendColor[1] = p.BlendColor.y();
key.blendColor[2] = p.BlendColor.z();
@@ -5362,11 +5364,11 @@ void main() {
key.stencilWriteMask[face] = p.StencilStates[face].WriteMask;
key.stencilRef[face] = p.StencilStates[face].Ref;
}
key.scissorEnabled = p.ScissorTestEnabled;
key.scissorBox[0] = p.ScissorBox.x();
key.scissorBox[1] = p.ScissorBox.y();
key.scissorBox[2] = p.ScissorBox.z();
key.scissorBox[3] = p.ScissorBox.w();
key.scissorEnabled = (p.ScissorTestEnabledMask & 1u) != 0;
key.scissorBox[0] = p.ScissorBoxes[0].x();
key.scissorBox[1] = p.ScissorBoxes[0].y();
key.scissorBox[2] = p.ScissorBoxes[0].z();
key.scissorBox[3] = p.ScissorBoxes[0].w();
key.extentX = extent.x();
key.extentY = extent.y();
key.preTransform = static_cast<Uint32>(preTransform);