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[vk] Apply fallback patch for Viewport

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Will add details if this solves the issue we are testing for.
This commit is contained in:
Shinmegumi 2025-08-21 21:38:40 +02:00 • committed by crueter
parent c725641f13
commit bc893d361d
1 changed files with 27 additions and 14 deletions
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41
src/video_core/renderer_vulkan/vk_rasterizer.cpp
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@ -1032,10 +1032,18 @@ void RasterizerVulkan::UpdateViewportsState(Tegra::Engines::Maxwell3D::Regs& reg
return;
}
if (!regs.viewport_scale_offset_enabled) {
const auto x = static_cast<float>(regs.surface_clip.x);
const auto y = static_cast<float>(regs.surface_clip.y);
const auto width = static_cast<float>(regs.surface_clip.width);
const auto height = static_cast<float>(regs.surface_clip.height);
float x = static_cast<float>(regs.surface_clip.x);
float y = static_cast<float>(regs.surface_clip.y);
float width = static_cast<float>(regs.surface_clip.width);
float height = static_cast<float>(regs.surface_clip.height);
const bool lower_left =
regs.window_origin.mode != Maxwell::WindowOrigin::Mode::UpperLeft;
if (lower_left) {
// Vulkan viewport space is top-left; emulate lower-left with negative height.
y += height;
height = -height;
}
VkViewport viewport{
.x = x,
.y = y,
@ -1071,15 +1079,20 @@ void RasterizerVulkan::UpdateScissorsState(Tegra::Engines::Maxwell3D::Regs& regs
return;
}
if (!regs.viewport_scale_offset_enabled) {
const auto x = static_cast<float>(regs.surface_clip.x);
const auto y = static_cast<float>(regs.surface_clip.y);
const auto width = static_cast<float>(regs.surface_clip.width);
const auto height = static_cast<float>(regs.surface_clip.height);
VkRect2D scissor;
scissor.offset.x = static_cast<u32>(x);
scissor.offset.y = static_cast<u32>(y);
scissor.extent.width = static_cast<u32>(width != 0.0f ? width : 1.0f);
scissor.extent.height = static_cast<u32>(height != 0.0f ? height : 1.0f);
u32 x = regs.surface_clip.x;
u32 y = regs.surface_clip.y;
u32 width = regs.surface_clip.width ? regs.surface_clip.width : 1u;
u32 height = regs.surface_clip.height ? regs.surface_clip.height : 1u;
if (regs.window_origin.mode != Maxwell::WindowOrigin::Mode::UpperLeft) {
// Vulkan scissor is top-left; convert from lower-left coordinates.
y = regs.surface_clip.height - (y + height);
}
VkRect2D scissor{};
scissor.offset.x = static_cast<int32_t>(x);
scissor.offset.y = static_cast<int32_t>(y);
scissor.extent.width = width;
scissor.extent.height = height;
scheduler.Record([scissor](vk::CommandBuffer cmdbuf) { cmdbuf.SetScissor(0, scissor); });
return;
}
@ -1589,7 +1602,7 @@ void RasterizerVulkan::UpdateVertexInput(Tegra::Engines::Maxwell3D::Regs& regs)
highest_dirty_attr = index;
}
}
for (size_t index = 0; index < highest_dirty_attr; ++index) {
for (size_t index = 0; index <= highest_dirty_attr; ++index) {
const Maxwell::VertexAttribute attribute{regs.vertex_attrib_format[index]};
const u32 binding{attribute.buffer};
dirty[Dirty::VertexAttribute0 + index] = false;