int appMain(boo::IApplication* app)
{
initialize(app);
m_viewManager->init(app);
while (m_running)
{
if (!m_viewManager->proc())
break;
}
m_viewManager->stop();
m_cvarManager.serialize();
m_viewManager.reset();
return 0;
}
int appMain(boo::IApplication* app) {
hecl::VerbosityLevel = 2;
/* Setup boo window */
m_mainWindow = app->newWindow(_SYS_STR("HECL Test"));
m_mainWindow->setCallback(&m_windowCb);
boo::ObjToken<boo::ITextureR> renderTex;
boo::ObjToken<boo::IGraphicsBuffer> vubo;
boo::ObjToken<boo::IShaderPipeline> pipeline, pipeline2;
boo::ObjToken<boo::IShaderDataBinding> binding, binding2;
struct VertexUBO {
float modelview[4][4] = {};
float modelviewInv[4][4] = {};
float projection[4][4] = {};
VertexUBO() {
modelview[0][0] = 1.0;
modelview[1][1] = 1.0;
modelview[2][2] = 1.0;
modelview[3][3] = 1.0;
modelviewInv[0][0] = 1.0;
modelviewInv[1][1] = 1.0;
modelviewInv[2][2] = 1.0;
modelviewInv[3][3] = 1.0;
projection[0][0] = 1.0;
projection[1][1] = 1.0;
projection[2][2] = 1.0;
projection[3][3] = 1.0;
}
} vuboData;
/* Make ramp texture */
using Pixel = uint8_t[4];
static Pixel tex[256][256];
for (int i = 0; i < 256; ++i)
for (int j = 0; j < 256; ++j) {
tex[i][j][0] = uint8_t(i);
tex[i][j][1] = uint8_t(j);
tex[i][j][2] = 0;
tex[i][j][3] = 0xff;
}
boo::IGraphicsDataFactory* gfxF = m_mainWindow->getMainContextDataFactory();
if (gfxF->platform() == boo::IGraphicsDataFactory::Platform::Vulkan)
vuboData.modelview[1][1] = -1.f;
/* Pipeline converter */
std::unique_ptr<hecl::PipelineConverterBase> conv = hecl::NewPipelineConverter(gfxF);
/* Compile HECL shader */
static std::string testShader = "HECLOpaque(Texture(0, UV(0)))";
// static std::string testShader = "HECLOpaque(vec3(1.0,1.0,1.0),1.0)";
hecl::Backend::ShaderTag testShaderTag(testShader, 0, 1, 0, 0, boo::Primitive::TriStrips,
hecl::Backend::ReflectionType::None, false, false, false, false);
hecl::Frontend::Frontend FE;
hecl::Frontend::IR ir = FE.compileSource(testShader, "booTest");
hecl::HECLIR irObj(ir, testShaderTag, 0);
gfxF->commitTransaction([&](boo::IGraphicsDataFactory::Context& ctx) {
pipeline = conv->convert(ctx, irObj);
pipeline2 = conv->convert(ctx, Shader_test{});
boo::SWindowRect mainWindowRect = m_mainWindow->getWindowFrame();
renderTex = ctx.newRenderTexture(size_t(mainWindowRect.size[0]), size_t(mainWindowRect.size[1]),
boo::TextureClampMode::Repeat, 1, 0);
/* Generate meta structure (usually statically serialized) */
hecl::HMDLMeta testMeta;
testMeta.topology = hecl::HMDLTopology::TriStrips;
testMeta.vertStride = 32;
testMeta.vertCount = 4;
testMeta.indexCount = 4;
testMeta.colorCount = 0;
testMeta.uvCount = 1;
testMeta.weightCount = 0;
testMeta.bankCount = 0;
/* Binary form of meta structure */
atUint8 testMetaBuf[HECL_HMDL_META_SZ];
athena::io::MemoryWriter testMetaWriter(testMetaBuf, HECL_HMDL_META_SZ);
testMeta.write(testMetaWriter);
/* Make Tri-strip VBO */
struct Vert {
float pos[3];
float norm[3];
float uv[2];
};
static const Vert quad[4] = {{{0.5, 0.5}, {}, {1.0, 1.0}},
{{-0.5, 0.5}, {}, {0.0, 1.0}},
{{0.5, -0.5}, {}, {1.0, 0.0}},
{{-0.5, -0.5}, {}, {0.0, 0.0}}};
/* Now simple IBO */
static const uint32_t ibo[4] = {0, 1, 2, 3};
/* Construct quad mesh against boo factory */
hecl::Runtime::HMDLData testData(ctx, testMetaBuf, quad, ibo);
boo::ObjToken<boo::ITexture> texture = ctx.newStaticTexture(256, 256, 1, boo::TextureFormat::RGBA8,
boo::TextureClampMode::Repeat, tex, 256 * 256 * 4)
.get();
/* Make vertex uniform buffer */
vubo = ctx.newDynamicBuffer(boo::BufferUse::Uniform, sizeof(VertexUBO), 1).get();
/* Assemble data binding */
binding = testData.newShaderDataBindng(ctx, pipeline, 1, &vubo, nullptr, 1, &texture);
binding2 = testData.newShaderDataBindng(ctx, pipeline2, 1, &vubo, nullptr, 1, &texture);
return true;
} BooTrace);
m_mainWindow->showWindow();
m_windowCb.m_latestSize = m_mainWindow->getWindowFrame();
boo::IGraphicsCommandQueue* gfxQ = m_mainWindow->getCommandQueue();
size_t frameIdx = 0;
while (m_running) {
m_mainWindow->waitForRetrace();
if (m_windowCb.m_destroyed) {
m_running = false;
break;
}
if (m_windowCb.m_sizeDirty) {
gfxQ->resizeRenderTexture(renderTex, size_t(m_windowCb.m_latestSize.size[0]),
size_t(m_windowCb.m_latestSize.size[1]));
m_windowCb.m_sizeDirty = false;
}
m_console.proc();
gfxQ->setRenderTarget(renderTex);
boo::SWindowRect r = m_windowCb.m_latestSize;
r.location[0] = 0;
r.location[1] = 0;
gfxQ->setViewport(r);
gfxQ->setScissor(r);
float rgba[] = {sinf(frameIdx / 60.0f), cosf(frameIdx / 60.0f), 0.0f, 1.0f};
gfxQ->setClearColor(rgba);
gfxQ->clearTarget();
vuboData.modelview[3][0] = sinf(frameIdx / 60.0f) * 0.5f;
vuboData.modelview[3][1] = cosf(frameIdx / 60.0f) * 0.5f;
vubo.cast<boo::IGraphicsBufferD>()->load(&vuboData, sizeof(vuboData));
gfxQ->setShaderDataBinding(binding2);
gfxQ->drawIndexed(0, 4);
gfxQ->resolveDisplay(renderTex);
m_console.draw(gfxQ);
gfxQ->execute();
++frameIdx;
}
m_cvarManager.serialize();
gfxQ->stopRenderer();
return 0;
}