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[Fix] (MG_Backend/DirectVulkan): PrepareDemoRes() (only as placeholder)

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swung0x48
2026-02-14 13:28:53 +08:00
parent ad6ffbe42e
commit 843fdcb47a
3 changed files with 170 additions and 74 deletions
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MobileGL/MG_Impl/EGLImpl/EGLForVulkan/EGLForVulkan.cpp
-74
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@@ -15,83 +15,9 @@
namespace MobileGL {
namespace MG_Impl::EGLImpl {
// TODO: complete EGL impl for Vulkan
const char* demoFS = R"(#version 460
layout(location = 0) in vec3 fragColor;
layout(location = 0) out vec4 outColor;
void main() {
outColor = vec4(fragColor, 1.0);
}
)";
const char* demoVS = R"(#version 460
layout(location = 0) out vec3 fragColor;
vec2 positions[3] = vec2[](vec2(0.0, -0.5), vec2(0.5, 0.5), vec2(-0.5, 0.5));
vec3 colors[3] = vec3[](vec3(1.0, 0.0, 0.0), vec3(0.0, 1.0, 0.0), vec3(0.0, 0.0, 1.0));
void main() {
gl_Position = vec4(positions[gl_VertexID], 0.0, 1.0);
fragColor = colors[gl_VertexID];
}
)";
void PrepareDemoRes() {
MGLOG_D("EGLForVulkan::PrepareDemoRes called");
// Create shader&program object
auto programObject = MG_State::GLState::ProgramObject(0);
auto vsObject = MakeShared<MG_State::GLState::ShaderObject>(ShaderStage::Vertex, 0);
vsObject->SetShaderSource(demoVS);
vsObject->Compile();
if (!vsObject->GetCompileStatus()) {
MGLOG_E("Vertex shader compilation failed: %s", vsObject->GetInfoLog().c_str());
return;
}
auto fsObject = MakeShared<MG_State::GLState::ShaderObject>(ShaderStage::Fragment, 1);
fsObject->SetShaderSource(demoFS);
fsObject->Compile();
if (!fsObject->GetCompileStatus()) {
MGLOG_E("Fragment shader compilation failed: %s", fsObject->GetInfoLog().c_str());
return;
}
programObject.AttachShader(vsObject);
programObject.AttachShader(fsObject);
programObject.Link();
if (!programObject.GetLinkStatus()) {
MGLOG_E("Program linking failed: %s", programObject.GetInfoLog().c_str());
return;
}
Vector<Uint> vsSpv;
Vector<Uint> fsSpv;
auto& shaderSpirvs = programObject.GetGeneratedSpirv();
auto& attachedShaders = programObject.GetAttachedShaders();
for (int index = 0; index < attachedShaders.size(); ++index) {
auto& shader = attachedShaders[index];
auto& spirvCode = shaderSpirvs[index];
if (shader->GetShaderStage() == ShaderStage::Vertex) {
vsSpv = spirvCode;
} else if (shader->GetShaderStage() == ShaderStage::Fragment) {
fsSpv = spirvCode;
}
}
// Create pipeline
// VkPipeline trianglePipeline = MG_Backend::DirectVulkan::pVulkanRenderer->CreateGraphicsPipelineFromSpv(
// "TrianglePipeline", vsSpv, fsSpv);
//
// // Register render callback
// MG_Backend::DirectVulkan::pVulkanRenderer->RegisterRenderCallback(
// "DrawTriangle", [trianglePipeline](VkCommandBuffer cmd, uint32_t imageIndex, VkExtent2D extent) {
// vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, trianglePipeline);
//
// vkCmdDraw(cmd, 3, 1, 0, 0);
// });
}
void CreateWindowSurfaceForVulkan(NativeWindowType window) {
MG_Backend::DirectVulkan::pVulkanRenderer = MakeUnique<MG_Backend::DirectVulkan::VulkanRenderer>(window);
MG_Backend::DirectVulkan::pVulkanRenderer->Initialize();
PrepareDemoRes(); // for demo use
}
EGLSurface CreateWindowSurface(EGLDisplay dpy, EGLConfig config, NativeWindowType window,