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[Fix, Test] (MG_Util, MG_State, MG_Backend): the GL 4.3 vertex binding model - array vertex inputs, zero binding strides, instance divisors, and formats ES refuses

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swung0x48
2026-08-12 05:36:00 -04:00
parent 21b5fc2d92
commit 2fced2241b
13 changed files with 1129 additions and 29 deletions
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MobileGL/MG_Impl/GLImpl/VertexArray/GL_VertexArray.cpp
+7 -4
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@@ -315,9 +315,10 @@ namespace MobileGL::MG_Impl::GLImpl {
auto offset = reinterpret_cast<SizeT>(pointer);
vao->SetAttributeFormat(index, size, dataType, false, stride, offset, true, false);
const int effectiveStride = EffectiveVertexStride(stride, size, type);
vao->SetAttributeFormat(index, size, dataType, false, stride, offset, true, false, effectiveStride);
vao->BindAttributeBuffer(index, vbo);
vao->MirrorPointerIntoBinding(index, vbo, offset, EffectiveVertexStride(stride, size, type));
vao->MirrorPointerIntoBinding(index, vbo, offset, effectiveStride);
}
void VertexAttribPointer_State(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride,
@@ -345,9 +346,11 @@ namespace MobileGL::MG_Impl::GLImpl {
// backend can pick the reversed VkFormat / pass GL_BGRA through to a GLES driver.
const bool isBgra = (size == static_cast<GLint>(GL_BGRA));
const int effectiveSize = isBgra ? 4 : size;
vao->SetAttributeFormat(index, effectiveSize, dataType, normalized, stride, offset, false, isBgra);
const int effectiveStride = EffectiveVertexStride(stride, effectiveSize, type);
vao->SetAttributeFormat(index, effectiveSize, dataType, normalized, stride, offset, false, isBgra,
effectiveStride);
vao->BindAttributeBuffer(index, vbo);
vao->MirrorPointerIntoBinding(index, vbo, offset, EffectiveVertexStride(stride, effectiveSize, type));
vao->MirrorPointerIntoBinding(index, vbo, offset, effectiveStride);
}
void BindVertexArray_State(GLuint array) {