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TextureCache: fix rescaling in aliases and overlap joins.

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FernandoS27 2021-10-20 18:27:25 +02:00 • committed by Fernando Sahmkow
parent 7506ac4118
commit d37d10e7a7
4 changed files with 48 additions and 23 deletions
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19
src/video_core/renderer_vulkan/vk_rasterizer.cpp
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@ -63,7 +63,7 @@ VkViewport GetViewportState(const Device& device, const Maxwell& regs, size_t in
const auto conv = [scale](float value) {
float new_value = value * scale;
if (scale < 1.0f) {
bool sign = std::signbit(new_value);
const bool sign = std::signbit(value);
new_value = std::round(std::abs(new_value));
new_value = sign ? -new_value : new_value;
}
@ -96,21 +96,22 @@ VkViewport GetViewportState(const Device& device, const Maxwell& regs, size_t in
VkRect2D GetScissorState(const Maxwell& regs, size_t index, u32 up_scale = 1, u32 down_shift = 0) {
const auto& src = regs.scissor_test[index];
VkRect2D scissor;
const auto scale_up = [&](u32 value) -> u32 {
const auto scale_up = [&](s32 value) -> s32 {
if (value == 0) {
return 0U;
}
const u32 upset = value * up_scale;
u32 acumm = 0;
const s32 upset = value * up_scale;
s32 acumm = 0;
if ((up_scale >> down_shift) == 0) {
acumm = upset & 0x1;
acumm = upset % 2;
}
const u32 converted_value = (value * up_scale) >> down_shift;
return std::max<u32>(converted_value + acumm, 1U);
const s32 converted_value = (value * up_scale) >> down_shift;
return value < 0 ? std::min<s32>(converted_value - acumm, -1)
: std::max<s32>(converted_value + acumm, 1);
};
if (src.enable) {
scissor.offset.x = static_cast<s32>(scale_up(src.min_x));
scissor.offset.y = static_cast<s32>(scale_up(src.min_y));
scissor.offset.x = scale_up(static_cast<s32>(src.min_x));
scissor.offset.y = scale_up(static_cast<s32>(src.min_y));
scissor.extent.width = scale_up(src.max_x - src.min_x);
scissor.extent.height = scale_up(src.max_y - src.min_y);
} else {