Merge pull request #3657 from ReinUsesLisp/viewport-zero

vk_rasterizer: Default to 1 viewports with a size of 0
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Rodrigo Locatti 2020-04-15 01:51:17 -03:00 committed by GitHub
commit 0b132e8cc1
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1 changed files with 6 additions and 3 deletions

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@ -62,13 +62,16 @@ constexpr auto ComputeShaderIndex = static_cast<std::size_t>(Tegra::Engines::Sha
VkViewport GetViewportState(const VKDevice& device, const Maxwell& regs, std::size_t index) {
const auto& src = regs.viewport_transform[index];
const float width = src.scale_x * 2.0f;
const float height = src.scale_y * 2.0f;
VkViewport viewport;
viewport.x = src.translate_x - src.scale_x;
viewport.y = src.translate_y - src.scale_y;
viewport.width = src.scale_x * 2.0f;
viewport.height = src.scale_y * 2.0f;
viewport.width = width != 0.0f ? width : 1.0f;
viewport.height = height != 0.0f ? height : 1.0f;
const float reduce_z = regs.depth_mode == Maxwell::DepthMode::MinusOneToOne;
const float reduce_z = regs.depth_mode == Maxwell::DepthMode::MinusOneToOne ? 1.0f : 0.0f;
viewport.minDepth = src.translate_z - src.scale_z * reduce_z;
viewport.maxDepth = src.translate_z + src.scale_z;
if (!device.IsExtDepthRangeUnrestrictedSupported()) {