renderer_vulkan: fix cropping for presentation

This commit is contained in:
Liam 2023-10-27 23:48:55 -04:00
parent 43be2bfe33
commit 65d4a16afd
2 changed files with 55 additions and 44 deletions

View file

@ -3,6 +3,7 @@
#pragma once
#include "common/common_funcs.h"
#include "common/common_types.h"
namespace Service::android {
@ -21,5 +22,6 @@ enum class BufferTransformFlags : u32 {
/// Rotate source image 270 degrees clockwise
Rotate270 = 0x07,
};
DECLARE_ENUM_FLAG_OPERATORS(BufferTransformFlags);
} // namespace Service::android

View file

@ -1395,63 +1395,72 @@ void BlitScreen::SetUniformData(BufferData& data, const Layout::FramebufferLayou
MakeOrthographicMatrix(static_cast<f32>(layout.width), static_cast<f32>(layout.height));
}
void BlitScreen::SetVertexData(BufferData& data, const Tegra::FramebufferConfig& framebuffer,
const Layout::FramebufferLayout layout) const {
const auto& framebuffer_transform_flags = framebuffer.transform_flags;
const auto& framebuffer_crop_rect = framebuffer.crop_rect;
static Common::Rectangle<f32> NormalizeCrop(Common::Rectangle<int> crop,
const Tegra::FramebufferConfig& framebuffer) {
f32 left, top, right, bottom;
static constexpr Common::Rectangle<f32> texcoords{0.f, 0.f, 1.f, 1.f};
auto left = texcoords.left;
auto right = texcoords.right;
if (!crop.IsEmpty()) {
// If crop rectangle is not empty, apply properties from rectangle.
left = static_cast<f32>(crop.left);
top = static_cast<f32>(crop.top);
right = static_cast<f32>(crop.right);
bottom = static_cast<f32>(crop.bottom);
} else {
// Otherwise, fall back to framebuffer dimensions.
left = 0;
top = 0;
right = static_cast<f32>(framebuffer.width);
bottom = static_cast<f32>(framebuffer.height);
}
switch (framebuffer_transform_flags) {
case Service::android::BufferTransformFlags::Unset:
break;
case Service::android::BufferTransformFlags::FlipV:
// Flip the framebuffer vertically
left = texcoords.right;
right = texcoords.left;
break;
default:
// Apply transformation flags.
auto framebuffer_transform_flags = framebuffer.transform_flags;
if (True(framebuffer_transform_flags & Service::android::BufferTransformFlags::FlipH)) {
// Switch left and right.
std::swap(left, right);
}
if (True(framebuffer_transform_flags & Service::android::BufferTransformFlags::FlipV)) {
// Switch top and bottom.
std::swap(top, bottom);
}
framebuffer_transform_flags &= ~Service::android::BufferTransformFlags::FlipH;
framebuffer_transform_flags &= ~Service::android::BufferTransformFlags::FlipV;
if (True(framebuffer_transform_flags)) {
UNIMPLEMENTED_MSG("Unsupported framebuffer_transform_flags={}",
static_cast<u32>(framebuffer_transform_flags));
break;
}
UNIMPLEMENTED_IF(framebuffer_crop_rect.left != 0);
f32 left_start{};
if (framebuffer_crop_rect.Top() > 0) {
left_start = static_cast<f32>(framebuffer_crop_rect.Top()) /
static_cast<f32>(framebuffer_crop_rect.Bottom());
}
f32 scale_u = static_cast<f32>(framebuffer.width) / static_cast<f32>(screen_info.width);
f32 scale_v = static_cast<f32>(framebuffer.height) / static_cast<f32>(screen_info.height);
// Scale the output by the crop width/height. This is commonly used with 1280x720 rendering
// (e.g. handheld mode) on a 1920x1080 framebuffer.
if (!fsr) {
if (framebuffer_crop_rect.GetWidth() > 0) {
scale_u = static_cast<f32>(framebuffer_crop_rect.GetWidth()) /
static_cast<f32>(screen_info.width);
}
if (framebuffer_crop_rect.GetHeight() > 0) {
scale_v = static_cast<f32>(framebuffer_crop_rect.GetHeight()) /
static_cast<f32>(screen_info.height);
}
return Common::Rectangle<f32>(left, top, right, bottom);
}
void BlitScreen::SetVertexData(BufferData& data, const Tegra::FramebufferConfig& framebuffer,
const Layout::FramebufferLayout layout) const {
// Get the normalized crop rectangle.
const auto crop = NormalizeCrop(framebuffer.crop_rect, framebuffer);
// Get the screen properties.
const f32 screen_width = static_cast<f32>(screen_info.width);
const f32 screen_height = static_cast<f32>(screen_info.height);
// Apply the crop.
const f32 left = crop.left / screen_width;
const f32 top = crop.top / screen_height;
const f32 right = crop.right / screen_width;
const f32 bottom = crop.bottom / screen_height;
// Map the coordinates to the screen.
const auto& screen = layout.screen;
const auto x = static_cast<f32>(screen.left);
const auto y = static_cast<f32>(screen.top);
const auto w = static_cast<f32>(screen.GetWidth());
const auto h = static_cast<f32>(screen.GetHeight());
data.vertices[0] = ScreenRectVertex(x, y, texcoords.top * scale_u, left_start + left * scale_v);
data.vertices[1] =
ScreenRectVertex(x + w, y, texcoords.bottom * scale_u, left_start + left * scale_v);
data.vertices[2] =
ScreenRectVertex(x, y + h, texcoords.top * scale_u, left_start + right * scale_v);
data.vertices[3] =
ScreenRectVertex(x + w, y + h, texcoords.bottom * scale_u, left_start + right * scale_v);
data.vertices[0] = ScreenRectVertex(x, y, left, top);
data.vertices[1] = ScreenRectVertex(x + w, y, right, top);
data.vertices[2] = ScreenRectVertex(x, y + h, left, bottom);
data.vertices[3] = ScreenRectVertex(x + w, y + h, right, bottom);
}
void BlitScreen::CreateSMAA(VkExtent2D smaa_size) {