[Feat] (MG_Backend/DirectVulkan): move demo pipeline creation to gl side

This commit is contained in:
2026-02-17 11:17:03 +08:00
parent 5f6a0b5969
commit 098f8d0738
4 changed files with 151 additions and 104 deletions
@@ -59,27 +59,17 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Shutdown();
}
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];
}
)";
VkPipeline VulkanRenderer::GetOrCreatePipeline(
Uint64 programHash, Uint64 vertexInputHash, const VkPipelineVertexInputStateCreateInfo& vertexInputState) {
const MG_State::GLState::ProgramObject& program, Uint64 vertexInputHash,
const VkPipelineVertexInputStateCreateInfo& vertexInputState) {
MOBILEGL_ASSERT(m_pipelineFactory != nullptr, "PipelineFactory is not initialized");
MOBILEGL_ASSERT(!m_demoPipelineStages.empty(), "GetOrCreatePipeline requires shader stages");
MOBILEGL_ASSERT(m_programFactory != nullptr, "ProgramFactory is not initialized");
auto& stages = m_programFactory->GetOrCreatePipelineShaderStages(program, ProgramFactory::CompileOptionBit::None);
if (stages.empty()) {
MGLOG_W("GetOrCreatePipeline skipped: program has no shader stages");
return VK_NULL_HANDLE;
}
const Uint64 programHash = m_programFactory->ComputeHash(program, ProgramFactory::CompileOptionBit::None);
PipelineFactory::PipelineCreatePayload payload{};
payload.programHash = programHash;
@@ -88,52 +78,17 @@ namespace MobileGL::MG_Backend::DirectVulkan {
payload.renderPass = m_renderPassLoad;
payload.subpass = 0;
payload.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
payload.stages = &m_demoPipelineStages;
payload.stages = &stages;
payload.vertexInputState = &vertexInputState;
return m_pipelineFactory->GetOrCreatePipeline(payload);
}
void VulkanRenderer::PrepareDemoPipeline() {
MGLOG_D("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;
}
auto& stages = m_programFactory->GetOrCreatePipelineShaderStages(programObject, ProgramFactory::CompileOptionBit::None);
m_demoProgramHash = m_programFactory->ComputeHash(programObject, ProgramFactory::CompileOptionBit::None);
m_demoPipelineStages = stages;
MGLOG_D("PrepareDemoPipeline called");
VkPipelineLayoutCreateInfo plci{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO};
VK_VERIFY(vkCreatePipelineLayout(m_device, &plci, nullptr, &m_pipelineLayout), "vkCreatePipelineLayout");
VertexInputStateBuilder vertexInputBuilder;
const auto& vertexInput = vertexInputBuilder.Build();
m_pipeline = GetOrCreatePipeline(m_demoProgramHash, 0, vertexInput);
// vkDestroyShaderModule(m_device, vs, nullptr);
// vkDestroyShaderModule(m_device, fs, nullptr);
MGLOG_I("PrepareDemoPipeline completed");
}
@@ -179,10 +134,9 @@ namespace MobileGL::MG_Backend::DirectVulkan {
m_frameContext.Destroy(m_device, m_commandPool);
m_pipeline = VK_NULL_HANDLE;
if (m_pipelineLayout != VK_NULL_HANDLE) {
vkDestroyPipelineLayout(m_device, m_pipelineLayout, nullptr);
m_pipelineLayout = VK_NULL_HANDLE;
}
ShutdownSwapchain();
@@ -422,13 +376,23 @@ namespace MobileGL::MG_Backend::DirectVulkan {
VkCommandBuffer& commandBuffer = frame.commandBuffer;
const auto swapchainExtent = m_swapchainObject.GetExtent();
VkPipeline pipelineToBind = m_pipeline;
if (vertexInputState) {
pipelineToBind = GetOrCreatePipeline(m_demoProgramHash, vertexInputState->hash, vertexInputState->state);
if (pipelineToBind == VK_NULL_HANDLE) {
MGLOG_W("DrawArrays skipped: failed to create/get pipeline variant");
return;
}
if (payload.program == nullptr) {
MGLOG_W("DrawArrays skipped: no current program is bound");
return;
}
const Uint64 vertexInputHash = vertexInputState ? vertexInputState->hash : 0;
const VkPipelineVertexInputStateCreateInfo* vertexInputInfo =
vertexInputState ? &vertexInputState->state : nullptr;
if (!vertexInputInfo) {
VertexInputStateBuilder emptyVertexInputBuilder;
vertexInputInfo = &emptyVertexInputBuilder.Build();
}
VkPipeline pipelineToBind = GetOrCreatePipeline(*payload.program, vertexInputHash, *vertexInputInfo);
if (pipelineToBind == VK_NULL_HANDLE) {
MGLOG_W("DrawArrays skipped: failed to create/get pipeline");
return;
}
if (vertexInputState && !vertexInputState->bindings.empty()) {
@@ -526,13 +490,23 @@ namespace MobileGL::MG_Backend::DirectVulkan {
vertexInputState = &m_vertexInputStateFactory->GetOrCreateVertexInputState(*payload.drawArray.vertexArray);
}
VkPipeline pipelineToBind = m_pipeline;
if (vertexInputState) {
pipelineToBind = GetOrCreatePipeline(m_demoProgramHash, vertexInputState->hash, vertexInputState->state);
if (pipelineToBind == VK_NULL_HANDLE) {
MGLOG_W("DrawElements skipped: failed to create/get pipeline variant");
return;
}
if (payload.drawArray.program == nullptr) {
MGLOG_W("DrawElements skipped: no current program is bound");
return;
}
const Uint64 vertexInputHash = vertexInputState ? vertexInputState->hash : 0;
const VkPipelineVertexInputStateCreateInfo* vertexInputInfo =
vertexInputState ? &vertexInputState->state : nullptr;
if (!vertexInputInfo) {
VertexInputStateBuilder emptyVertexInputBuilder;
vertexInputInfo = &emptyVertexInputBuilder.Build();
}
VkPipeline pipelineToBind = GetOrCreatePipeline(*payload.drawArray.program, vertexInputHash, *vertexInputInfo);
if (pipelineToBind == VK_NULL_HANDLE) {
MGLOG_W("DrawElements skipped: failed to create/get pipeline");
return;
}
if (vertexInputState && !vertexInputState->bindings.empty()) {
@@ -633,24 +607,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
VkCommandBuffer& commandBuffer = frame.commandBuffer;
const auto swapchainExtent = m_swapchainObject.GetExtent();
// Render commands
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline);
VkViewport viewport{};
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = static_cast<float>(swapchainExtent.width);
viewport.height = static_cast<float>(swapchainExtent.height);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
VkRect2D scissor{};
scissor.offset = {0, 0};
scissor.extent = swapchainExtent;
vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
vkCmdDraw(commandBuffer, 3, 1, 0, 0);
(void)commandBuffer;
(void)swapchainExtent;
}
void VulkanRenderer::Present() {
@@ -1392,12 +1350,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
if (m_pipelineFactory) {
m_pipelineFactory->DestroyAll();
}
m_pipeline = VK_NULL_HANDLE;
if (!m_demoPipelineStages.empty() && m_pipelineLayout != VK_NULL_HANDLE && m_pipelineFactory) {
VertexInputStateBuilder vertexInputBuilder;
const auto& vertexInput = vertexInputBuilder.Build();
m_pipeline = GetOrCreatePipeline(m_demoProgramHash, 0, vertexInput);
}
if (m_frameContext.GetFrameCount() > 0) {
m_frameContext.GetCurrent().isCommandRecording = false;
m_frameContext.GetCurrent().hasCommandBufferRecorded = false;