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renderer: treat disabled viewport as render area

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Co-authored-by: IndecisiveTurtle <47210458+raphaelthegreat@users.noreply.github.com>
This commit is contained in:
Vladislav Mikhalin 2024-12-26 21:11:01 +03:00
parent e1cf1f500d
commit c230ed1507
1 changed files with 36 additions and 14 deletions
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50
src/video_core/renderer_vulkan/vk_rasterizer.cpp
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@ -1057,20 +1057,6 @@ void Rasterizer::UpdateViewportScissorState() {
if (vp.xscale == 0) {
continue;
}
const auto xoffset = vp_ctl.xoffset_enable ? vp.xoffset : 0.f;
const auto xscale = vp_ctl.xscale_enable ? vp.xscale : 1.f;
const auto yoffset = vp_ctl.yoffset_enable ? vp.yoffset : 0.f;
const auto yscale = vp_ctl.yscale_enable ? vp.yscale : 1.f;
const auto zoffset = vp_ctl.zoffset_enable ? vp.zoffset : 0.f;
const auto zscale = vp_ctl.zscale_enable ? vp.zscale : 1.f;
viewports.push_back({
.x = xoffset - xscale,
.y = yoffset - yscale,
.width = xscale * 2.0f,
.height = yscale * 2.0f,
.minDepth = zoffset - zscale * reduce_z,
.maxDepth = zscale + zoffset,
});
auto vp_scsr = scsr;
if (regs.mode_control.vport_scissor_enable) {
@ -1087,6 +1073,42 @@ void Rasterizer::UpdateViewportScissorState() {
.offset = {vp_scsr.top_left_x, vp_scsr.top_left_y},
.extent = {vp_scsr.GetWidth(), vp_scsr.GetHeight()},
});
const bool viewport_disabled = !vp_ctl.xoffset_enable && !vp_ctl.xscale_enable &&
!vp_ctl.yoffset_enable && !vp_ctl.yscale_enable &&
!vp_ctl.zoffset_enable && !vp_ctl.zscale_enable;
if (viewport_disabled) {
// If viewport is disabled, normalized device coordinates should be treated as pixel
// coordinates and viewport should be at least as large as the scissors.
const auto& scissor = scissors.back();
const auto xoffset = float(scissor.offset.x);
const auto xscale = float(scissor.extent.width);
const auto yoffset = float(scissor.offset.y);
const auto yscale = float(scissor.extent.height);
viewports.push_back({
.x = xoffset - xscale,
.y = yoffset - yscale,
.width = xscale * 2.0f,
.height = yscale * 2.0f,
.minDepth = 0.0,
.maxDepth = 1.0,
});
} else {
const auto xoffset = vp_ctl.xoffset_enable ? vp.xoffset : 0.f;
const auto xscale = vp_ctl.xscale_enable ? vp.xscale : 1.f;
const auto yoffset = vp_ctl.yoffset_enable ? vp.yoffset : 0.f;
const auto yscale = vp_ctl.yscale_enable ? vp.yscale : 1.f;
const auto zoffset = vp_ctl.zoffset_enable ? vp.zoffset : 0.f;
const auto zscale = vp_ctl.zscale_enable ? vp.zscale : 1.f;
viewports.push_back({
.x = xoffset - xscale,
.y = yoffset - yscale,
.width = xscale * 2.0f,
.height = yscale * 2.0f,
.minDepth = zoffset - zscale * reduce_z,
.maxDepth = zscale + zoffset,
});
}
}
if (viewports.empty()) {