完成Vulkan渲染后端

This commit is contained in:
2026-07-13 10:19:30 +08:00
parent cd5efa8ea4
commit 3c9592da45
8 changed files with 736 additions and 234 deletions
+183
View File
@@ -146,3 +146,186 @@ TEST(DynamicRenderBackend, VulkanUploadBlitDownload)
EXPECT_EQ(static_cast<uint8_t>(dst_data[3]), 255u);
#endif
}
TEST(DynamicRenderBackend, VulkanNullDestinationBlitDoesNotCrash)
{
#ifndef OAK_ENABLE_DYNAMIC_RENDER_BACKEND
GTEST_SKIP() << "Dynamic render backend is not enabled in this build";
#else
olive::DynamicRenderer renderer(QStringLiteral("vulkan"));
ASSERT_TRUE(renderer.Load());
OakRenderBackendInfo info = {};
ASSERT_TRUE(renderer.GetBackendInfo(&info));
if (info.kind != OAK_RENDER_BACKEND_VULKAN) {
GTEST_SKIP() << "Vulkan backend is not available on this system";
}
ASSERT_TRUE(renderer.Init());
renderer.PostInit();
const int kSize = 32;
olive::VideoParams params(kSize, kSize, olive::PixelFormat::U8,
olive::VideoParams::kRGBAChannelCount);
olive::TexturePtr src = renderer.CreateTexture(params);
ASSERT_NE(src, nullptr);
ASSERT_FALSE(src->IsDummy());
QByteArray src_data(kSize * kSize * 4, 0);
for (int i = 0; i < kSize * kSize; ++i) {
src_data[i * 4 + 0] = static_cast<char>(255);
src_data[i * 4 + 3] = static_cast<char>(255);
}
src->Upload(src_data.data(), kSize * 4);
const QString vert = QStringLiteral(
"uniform mat4 ove_mvpmat;\n"
"in vec4 a_position;\n"
"in vec2 a_texcoord;\n"
"out vec2 ove_texcoord;\n"
"void main() {\n"
" gl_Position = ove_mvpmat * a_position;\n"
" ove_texcoord = a_texcoord;\n"
"}\n");
const QString frag = QStringLiteral(
"uniform sampler2D ove_maintex;\n"
"in vec2 ove_texcoord;\n"
"out vec4 frag_color;\n"
"void main() {\n"
" frag_color = texture(ove_maintex, ove_texcoord);\n"
"}\n");
QVariant shader = renderer.CreateNativeShader(olive::ShaderCode(frag, vert));
ASSERT_FALSE(shader.isNull());
olive::ShaderJob job;
job.Insert(QStringLiteral("ove_maintex"),
olive::NodeValue(olive::NodeValue::kTexture,
QVariant::fromValue(src)));
job.Insert(QStringLiteral("ove_mvpmat"),
olive::NodeValue(olive::NodeValue::kMatrix, QMatrix4x4()));
// Null-destination Blit has no render target; it should simply not crash.
renderer.Blit(shader, job, params, true);
SUCCEED();
#endif
}
TEST(DynamicRenderBackend, VulkanIterativeBlitPingPong)
{
#ifndef OAK_ENABLE_DYNAMIC_RENDER_BACKEND
GTEST_SKIP() << "Dynamic render backend is not enabled in this build";
#else
olive::DynamicRenderer renderer(QStringLiteral("vulkan"));
ASSERT_TRUE(renderer.Load());
OakRenderBackendInfo info = {};
ASSERT_TRUE(renderer.GetBackendInfo(&info));
if (info.kind != OAK_RENDER_BACKEND_VULKAN) {
GTEST_SKIP() << "Vulkan backend is not available on this system";
}
ASSERT_TRUE(renderer.Init());
renderer.PostInit();
const int kSize = 32;
olive::VideoParams params(kSize, kSize, olive::PixelFormat::U8,
olive::VideoParams::kRGBAChannelCount);
olive::TexturePtr src = renderer.CreateTexture(params);
ASSERT_NE(src, nullptr);
ASSERT_FALSE(src->IsDummy());
// Start with a fully red texture.
QByteArray src_data(kSize * kSize * 4, 0);
for (int i = 0; i < kSize * kSize; ++i) {
src_data[i * 4 + 0] = static_cast<char>(255);
src_data[i * 4 + 3] = static_cast<char>(255);
}
src->Upload(src_data.data(), kSize * 4);
olive::TexturePtr dst = renderer.CreateTexture(params);
ASSERT_NE(dst, nullptr);
ASSERT_FALSE(dst->IsDummy());
// Shader that samples the iterative input and scales RGB by 0.5 each pass.
const QString vert = QStringLiteral(
"uniform mat4 ove_mvpmat;\n"
"in vec4 a_position;\n"
"in vec2 a_texcoord;\n"
"out vec2 ove_texcoord;\n"
"void main() {\n"
" gl_Position = ove_mvpmat * a_position;\n"
" ove_texcoord = a_texcoord;\n"
"}\n");
const QString frag = QStringLiteral(
"uniform sampler2D ove_maintex;\n"
"in vec2 ove_texcoord;\n"
"out vec4 frag_color;\n"
"void main() {\n"
" vec4 c = texture(ove_maintex, ove_texcoord);\n"
" frag_color = vec4(c.rgb * 0.5, c.a);\n"
"}\n");
QVariant shader = renderer.CreateNativeShader(olive::ShaderCode(frag, vert));
ASSERT_FALSE(shader.isNull());
olive::ShaderJob job;
job.Insert(QStringLiteral("ove_maintex"),
olive::NodeValue(olive::NodeValue::kTexture,
QVariant::fromValue(src)));
job.Insert(QStringLiteral("ove_mvpmat"),
olive::NodeValue(olive::NodeValue::kMatrix, QMatrix4x4()));
job.SetIterations(2, QStringLiteral("ove_maintex"));
renderer.BlitToTexture(shader, job, dst.get(), true);
QByteArray dst_data(kSize * kSize * 4, 0);
dst->Download(dst_data.data(), kSize * 4);
// After two halving passes, red is 255 * 0.5 * 0.5. UNORM conversion floors
// the intermediate value, so the result is 63 rather than 64.
EXPECT_EQ(static_cast<uint8_t>(dst_data[0]), 63u);
EXPECT_EQ(static_cast<uint8_t>(dst_data[1]), 0u);
EXPECT_EQ(static_cast<uint8_t>(dst_data[2]), 0u);
EXPECT_EQ(static_cast<uint8_t>(dst_data[3]), 255u);
#endif
}
TEST(DynamicRenderBackend, VulkanUploadDownloadThreeChannel)
{
#ifndef OAK_ENABLE_DYNAMIC_RENDER_BACKEND
GTEST_SKIP() << "Dynamic render backend is not enabled in this build";
#else
olive::DynamicRenderer renderer(QStringLiteral("vulkan"));
ASSERT_TRUE(renderer.Load());
OakRenderBackendInfo info = {};
ASSERT_TRUE(renderer.GetBackendInfo(&info));
if (info.kind != OAK_RENDER_BACKEND_VULKAN) {
GTEST_SKIP() << "Vulkan backend is not available on this system";
}
ASSERT_TRUE(renderer.Init());
renderer.PostInit();
const int kSize = 16;
olive::VideoParams params(kSize, kSize, olive::PixelFormat::U8,
olive::VideoParams::kRGBChannelCount);
olive::TexturePtr tex = renderer.CreateTexture(params);
ASSERT_NE(tex, nullptr);
ASSERT_FALSE(tex->IsDummy());
QByteArray src_data(kSize * kSize * 3, 0);
for (int i = 0; i < kSize * kSize; ++i) {
src_data[i * 3 + 0] = static_cast<char>(255);
src_data[i * 3 + 1] = static_cast<char>(128);
src_data[i * 3 + 2] = static_cast<char>(64);
}
tex->Upload(src_data.data(), kSize * 3);
QByteArray dst_data(kSize * kSize * 3, 0);
tex->Download(dst_data.data(), kSize * 3);
EXPECT_EQ(static_cast<uint8_t>(dst_data[0]), 255u);
EXPECT_EQ(static_cast<uint8_t>(dst_data[1]), 128u);
EXPECT_EQ(static_cast<uint8_t>(dst_data[2]), 64u);
#endif
}