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[Fix, Test] (DirectVulkan, trace-replay): replay quarter-turn surfaces correctly

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swung0x48
2026-08-13 06:45:28 -04:00
parent 50fefca959
commit 0deff52a1b
9 changed files with 196 additions and 83 deletions
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MobileGL/MG_Test/SanityTest.cpp
+39
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@@ -936,6 +936,45 @@ TEST(DirectVulkanSanity, ReadbackUsesTheSourceFormatTexelSize) {
EXPECT_EQ(VulkanRenderer::GetReadbackTexelSize(VK_FORMAT_R32G32B32A32_SFLOAT), 16u);
}
TEST(DirectVulkanSanity, DefaultFramebufferQuarterTurnReadbackMapsRectAndPixels) {
using MobileGL::MG_Backend::DirectVulkan::VulkanRenderer;
using MobileGL::Uint8;
VkOffset2D offset{};
VkExtent2D copyExtent{};
ASSERT_TRUE(VulkanRenderer::MapDefaultFramebufferReadbackRect(
1, 0, 2, 1, VkExtent2D{2, 3}, VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR,
&offset, &copyExtent));
EXPECT_EQ(offset.x, 0);
EXPECT_EQ(offset.y, 1);
EXPECT_EQ(copyExtent.width, 1u);
EXPECT_EQ(copyExtent.height, 2u);
ASSERT_TRUE(VulkanRenderer::MapDefaultFramebufferReadbackRect(
1, 0, 2, 1, VkExtent2D{2, 3}, VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR,
&offset, &copyExtent));
EXPECT_EQ(offset.x, 1);
EXPECT_EQ(offset.y, 0);
EXPECT_EQ(copyExtent.width, 1u);
EXPECT_EQ(copyExtent.height, 2u);
// Logical GL rows, bottom to top, are abc / def. The display-oriented swapchain blocks are
// transposed in opposite directions for 90 and 270 degrees.
const Uint8 raw90[] = {'a', 'd', 'b', 'e', 'c', 'f'};
const Uint8 raw270[] = {'f', 'c', 'e', 'b', 'd', 'a'};
const Uint8 expected[] = {'a', 'b', 'c', 'd', 'e', 'f'};
Uint8 result[sizeof(expected)]{};
ASSERT_TRUE(VulkanRenderer::RemapDefaultFramebufferReadback(
raw90, 3, 2, VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR, 1, result));
EXPECT_TRUE(std::equal(std::begin(expected), std::end(expected), std::begin(result)));
std::fill(std::begin(result), std::end(result), 0);
ASSERT_TRUE(VulkanRenderer::RemapDefaultFramebufferReadback(
raw270, 3, 2, VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR, 1, result));
EXPECT_TRUE(std::equal(std::begin(expected), std::end(expected), std::begin(result)));
}
TEST(DirectVulkanSanity, ReadbackConvertsRgba8AndRgba16fPixels) {
using MobileGL::MG_Backend::DirectVulkan::VulkanRenderer;
using MobileGL::MG_Util::EncodeFloatToHalfBits;