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Merge pull request #6765 from ReinUsesLisp/y-negate-vk

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vk_rasterizer: Flip viewport on Y_NEGATE
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Ameer J 2021-08-01 01:47:37 -04:00 • committed by GitHub
commit 2361a8da8f
1 changed files with 7 additions and 2 deletions
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9
src/video_core/renderer_vulkan/vk_rasterizer.cpp
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@ -61,11 +61,16 @@ struct DrawParams {
VkViewport GetViewportState(const Device& device, const Maxwell& regs, size_t index) { VkViewport GetViewportState(const Device& device, const Maxwell& regs, size_t index) {
const auto& src = regs.viewport_transform[index]; const auto& src = regs.viewport_transform[index];
const float width = src.scale_x * 2.0f; const float width = src.scale_x * 2.0f;
const float height = src.scale_y * 2.0f; float y = src.translate_y - src.scale_y;
float height = src.scale_y * 2.0f;
if (regs.screen_y_control.y_negate) {
y += height;
height = -height;
}
const float reduce_z = regs.depth_mode == Maxwell::DepthMode::MinusOneToOne ? 1.0f : 0.0f; const float reduce_z = regs.depth_mode == Maxwell::DepthMode::MinusOneToOne ? 1.0f : 0.0f;
VkViewport viewport{ VkViewport viewport{
.x = src.translate_x - src.scale_x, .x = src.translate_x - src.scale_x,
.y = src.translate_y - src.scale_y, .y = y,
.width = width != 0.0f ? width : 1.0f, .width = width != 0.0f ? width : 1.0f,
.height = height != 0.0f ? height : 1.0f, .height = height != 0.0f ? height : 1.0f,
.minDepth = src.translate_z - src.scale_z * reduce_z, .minDepth = src.translate_z - src.scale_z * reduce_z,