Render the rear view mirror in a separate target and then display it during overlay pass

Sam Gateau committed 11 years ago

Commit a5618741 parent f86c06410 files · +146 −27Browse files

Showing the changes to libraries/render-utils/src/GeometryCache.cpp (1 of 10 files). Show all

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     return geometry.staticCast<Resource>();
 }
-void GeometryCache::useSimpleDrawPipeline(gpu::Batch& batch) {
+void GeometryCache::useSimpleDrawPipeline(gpu::Batch& batch, bool noBlend) {
     if (!_standardDrawPipeline) {
         auto vs = gpu::ShaderPointer(gpu::Shader::createVertex(std::string(standardTransformPNTC_vert)));
         auto ps = gpu::ShaderPointer(gpu::Shader::createPixel(std::string(standardDrawTexture_frag)));
         state->setBlendFunction(true, gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA);
         _standardDrawPipeline.reset(gpu::Pipeline::create(program, state));
+        auto stateNoBlend = std::make_shared<gpu::State>();
+        stateNoBlend->setColorWriteMask(true, true, true, false);
+        stateNoBlend->setBlendFunction(true, gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA);
+        _standardDrawPipelineNoBlend.reset(gpu::Pipeline::create(program, stateNoBlend));
+    }
+    if (noBlend) {
+        batch.setPipeline(_standardDrawPipelineNoBlend);
+    } else {
+        batch.setPipeline(_standardDrawPipeline);
     }
-    batch.setPipeline(_standardDrawPipeline);
 }
 const float NetworkGeometry::NO_HYSTERESIS = -1.0f;