Using proper inverse projection matrix in velocity buffer computation to reproject to world pos

Olivier Prat committed 8 years ago

Commit b7b478f1 parent 5af43379 files · +29 −11Browse files

Showing the changes to libraries/render-utils/src/DeferredFrameTransform.cpp (1 of 9 files). Show all

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libraries/render-utils/src/DeferredFrameTransform.cpp+2−0

@@ -48,6 +48,7 @@ void DeferredFrameTransform::update(RenderArgs* args) { · 47 unmodified lines
48	48	frameTransformBuffer.projection[0] = frameTransformBuffer.projectionMono;
49	49	frameTransformBuffer.stereoInfo = glm::vec4(0.0f, (float)args->_viewport.z, 0.0f, 0.0f);
50	50	frameTransformBuffer.invpixelInfo = glm::vec4(1.0f / args->_viewport.z, 1.0f / args->_viewport.w, 0.0f, 0.0f);
	51	+ frameTransformBuffer.invProjection[0] = glm::inverse(frameTransformBuffer.projection[0]);
51	52	} else {
52	53
53	54	mat4 projMats[2];
@@ -59,6 +60,7 @@ void DeferredFrameTransform::update(RenderArgs* args) { · 5 unmodified lines
59	60	// Compose the mono Eye space to Stereo clip space Projection Matrix
60	61	auto sideViewMat = projMats[i] * eyeViews[i];
61	62	frameTransformBuffer.projection[i] = sideViewMat;
	63	+ frameTransformBuffer.invProjection[i] = glm::inverse(sideViewMat);
62	64	}
63	65
64	66	frameTransformBuffer.stereoInfo = glm::vec4(1.0f, (float)(args->_viewport.z >> 1), 0.0f, 1.0f);